From a074005b418d44402ed6686285fcd7f0330d0069 Mon Sep 17 00:00:00 2001 From: squidfunk Date: Sun, 2 Feb 2020 16:19:01 +0100 Subject: [PATCH] Added support for keyboard handlers --- material/assets/javascripts/bundle.js | 2 +- material/assets/javascripts/bundle.js.map | 2 +- material/assets/stylesheets/app.css | 4 +- material/assets/stylesheets/app.min.css | 2 +- material/assets/stylesheets/app.min.css.map | 2 +- mkdocs.yml | 2 + .../actions/search/result/index.ts | 21 +++- .../extensions/rxjs/operators/index.ts | 24 +++- src/assets/javascripts/index.ts | 105 ++++++++++++++++-- .../javascripts/utilities/agent/_/index.ts | 6 +- .../utilities/agent/document/index.ts | 2 +- .../javascripts/utilities/toggle/index.ts | 5 +- src/assets/stylesheets/layout/_search.scss | 4 +- 13 files changed, 150 insertions(+), 31 deletions(-) diff --git a/material/assets/javascripts/bundle.js b/material/assets/javascripts/bundle.js index af9b21087..63ea4cb2a 100644 --- a/material/assets/javascripts/bundle.js 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All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)\r\n t[p[i]] = s[p[i]];\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\r\n if (m) return m.call(o);\r\n return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isFunction(x) {\n return typeof x === 'function';\n}\n//# sourceMappingURL=isFunction.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar _enable_super_gross_mode_that_will_cause_bad_things = false;\nexport var config = {\n Promise: undefined,\n set useDeprecatedSynchronousErrorHandling(value) {\n if (value) {\n var error = /*@__PURE__*/ new Error();\n /*@__PURE__*/ console.warn('DEPRECATED! RxJS was set to use deprecated synchronous error handling behavior by code at: \\n' + error.stack);\n }\n else if (_enable_super_gross_mode_that_will_cause_bad_things) {\n /*@__PURE__*/ console.log('RxJS: Back to a better error behavior. Thank you. <3');\n }\n _enable_super_gross_mode_that_will_cause_bad_things = value;\n },\n get useDeprecatedSynchronousErrorHandling() {\n return _enable_super_gross_mode_that_will_cause_bad_things;\n },\n};\n//# sourceMappingURL=config.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function hostReportError(err) {\n setTimeout(function () { throw err; }, 0);\n}\n//# sourceMappingURL=hostReportError.js.map\n","/** PURE_IMPORTS_START _config,_util_hostReportError PURE_IMPORTS_END */\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nexport var empty = {\n closed: true,\n next: function (value) { },\n error: function (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n },\n complete: function () { }\n};\n//# sourceMappingURL=Observer.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArray = /*@__PURE__*/ (function () { return Array.isArray || (function (x) { return x && typeof x.length === 'number'; }); })();\n//# sourceMappingURL=isArray.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isObject(x) {\n return x !== null && typeof x === 'object';\n}\n//# sourceMappingURL=isObject.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar UnsubscriptionErrorImpl = /*@__PURE__*/ (function () {\n function UnsubscriptionErrorImpl(errors) {\n Error.call(this);\n this.message = errors ?\n errors.length + \" errors occurred during unsubscription:\\n\" + errors.map(function (err, i) { return i + 1 + \") \" + err.toString(); }).join('\\n ') : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n return this;\n }\n UnsubscriptionErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return UnsubscriptionErrorImpl;\n})();\nexport var UnsubscriptionError = UnsubscriptionErrorImpl;\n//# sourceMappingURL=UnsubscriptionError.js.map\n","/** PURE_IMPORTS_START _util_isArray,_util_isObject,_util_isFunction,_util_UnsubscriptionError PURE_IMPORTS_END */\nimport { isArray } from './util/isArray';\nimport { isObject } from './util/isObject';\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nvar Subscription = /*@__PURE__*/ (function () {\n function Subscription(unsubscribe) {\n this.closed = false;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (unsubscribe) {\n this._unsubscribe = unsubscribe;\n }\n }\n Subscription.prototype.unsubscribe = function () {\n var errors;\n if (this.closed) {\n return;\n }\n var _a = this, _parentOrParents = _a._parentOrParents, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions;\n this.closed = true;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (_parentOrParents instanceof Subscription) {\n _parentOrParents.remove(this);\n }\n else if (_parentOrParents !== null) {\n for (var index = 0; index < _parentOrParents.length; ++index) {\n var parent_1 = _parentOrParents[index];\n parent_1.remove(this);\n }\n }\n if (isFunction(_unsubscribe)) {\n try {\n _unsubscribe.call(this);\n }\n catch (e) {\n errors = e instanceof UnsubscriptionError ? flattenUnsubscriptionErrors(e.errors) : [e];\n }\n }\n if (isArray(_subscriptions)) {\n var index = -1;\n var len = _subscriptions.length;\n while (++index < len) {\n var sub = _subscriptions[index];\n if (isObject(sub)) {\n try {\n sub.unsubscribe();\n }\n catch (e) {\n errors = errors || [];\n if (e instanceof UnsubscriptionError) {\n errors = errors.concat(flattenUnsubscriptionErrors(e.errors));\n }\n else {\n errors.push(e);\n }\n }\n }\n }\n }\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n };\n Subscription.prototype.add = function (teardown) {\n var subscription = teardown;\n if (!teardown) {\n return Subscription.EMPTY;\n }\n switch (typeof teardown) {\n case 'function':\n subscription = new Subscription(teardown);\n case 'object':\n if (subscription === this || subscription.closed || typeof subscription.unsubscribe !== 'function') {\n return subscription;\n }\n else if (this.closed) {\n subscription.unsubscribe();\n return subscription;\n }\n else if (!(subscription instanceof Subscription)) {\n var tmp = subscription;\n subscription = new Subscription();\n subscription._subscriptions = [tmp];\n }\n break;\n default: {\n throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');\n }\n }\n var _parentOrParents = subscription._parentOrParents;\n if (_parentOrParents === null) {\n subscription._parentOrParents = this;\n }\n else if (_parentOrParents instanceof Subscription) {\n if (_parentOrParents === this) {\n return subscription;\n }\n subscription._parentOrParents = [_parentOrParents, this];\n }\n else if (_parentOrParents.indexOf(this) === -1) {\n _parentOrParents.push(this);\n }\n else {\n return subscription;\n }\n var subscriptions = this._subscriptions;\n if (subscriptions === null) {\n this._subscriptions = [subscription];\n }\n else {\n subscriptions.push(subscription);\n }\n return subscription;\n };\n Subscription.prototype.remove = function (subscription) {\n var subscriptions = this._subscriptions;\n if (subscriptions) {\n var subscriptionIndex = subscriptions.indexOf(subscription);\n if (subscriptionIndex !== -1) {\n subscriptions.splice(subscriptionIndex, 1);\n }\n }\n };\n Subscription.EMPTY = (function (empty) {\n empty.closed = true;\n return empty;\n }(new Subscription()));\n return Subscription;\n}());\nexport { Subscription };\nfunction flattenUnsubscriptionErrors(errors) {\n return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError) ? err.errors : err); }, []);\n}\n//# sourceMappingURL=Subscription.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var rxSubscriber = /*@__PURE__*/ (function () {\n return typeof Symbol === 'function'\n ? /*@__PURE__*/ Symbol('rxSubscriber')\n : '@@rxSubscriber_' + /*@__PURE__*/ Math.random();\n})();\nexport var $$rxSubscriber = rxSubscriber;\n//# sourceMappingURL=rxSubscriber.js.map\n","/** PURE_IMPORTS_START tslib,_util_isFunction,_Observer,_Subscription,_internal_symbol_rxSubscriber,_config,_util_hostReportError PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { isFunction } from './util/isFunction';\nimport { empty as emptyObserver } from './Observer';\nimport { Subscription } from './Subscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nvar Subscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(Subscriber, _super);\n function Subscriber(destinationOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this.syncErrorValue = null;\n _this.syncErrorThrown = false;\n _this.syncErrorThrowable = false;\n _this.isStopped = false;\n switch (arguments.length) {\n case 0:\n _this.destination = emptyObserver;\n break;\n case 1:\n if (!destinationOrNext) {\n _this.destination = emptyObserver;\n break;\n }\n if (typeof destinationOrNext === 'object') {\n if (destinationOrNext instanceof Subscriber) {\n _this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;\n _this.destination = destinationOrNext;\n destinationOrNext.add(_this);\n }\n else {\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext);\n }\n break;\n }\n default:\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext, error, complete);\n break;\n }\n return _this;\n }\n Subscriber.prototype[rxSubscriberSymbol] = function () { return this; };\n Subscriber.create = function (next, error, complete) {\n var subscriber = new Subscriber(next, error, complete);\n subscriber.syncErrorThrowable = false;\n return subscriber;\n };\n Subscriber.prototype.next = function (value) {\n if (!this.isStopped) {\n this._next(value);\n }\n };\n Subscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n this.isStopped = true;\n this._error(err);\n }\n };\n Subscriber.prototype.complete = function () {\n if (!this.isStopped) {\n this.isStopped = true;\n this._complete();\n }\n };\n Subscriber.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.isStopped = true;\n _super.prototype.unsubscribe.call(this);\n };\n Subscriber.prototype._next = function (value) {\n this.destination.next(value);\n };\n Subscriber.prototype._error = function (err) {\n this.destination.error(err);\n this.unsubscribe();\n };\n Subscriber.prototype._complete = function () {\n this.destination.complete();\n this.unsubscribe();\n };\n Subscriber.prototype._unsubscribeAndRecycle = function () {\n var _parentOrParents = this._parentOrParents;\n this._parentOrParents = null;\n this.unsubscribe();\n this.closed = false;\n this.isStopped = false;\n this._parentOrParents = _parentOrParents;\n return this;\n };\n return Subscriber;\n}(Subscription));\nexport { Subscriber };\nvar SafeSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SafeSubscriber, _super);\n function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this._parentSubscriber = _parentSubscriber;\n var next;\n var context = _this;\n if (isFunction(observerOrNext)) {\n next = observerOrNext;\n }\n else if (observerOrNext) {\n next = observerOrNext.next;\n error = observerOrNext.error;\n complete = observerOrNext.complete;\n if (observerOrNext !== emptyObserver) {\n context = Object.create(observerOrNext);\n if (isFunction(context.unsubscribe)) {\n _this.add(context.unsubscribe.bind(context));\n }\n context.unsubscribe = _this.unsubscribe.bind(_this);\n }\n }\n _this._context = context;\n _this._next = next;\n _this._error = error;\n _this._complete = complete;\n return _this;\n }\n SafeSubscriber.prototype.next = function (value) {\n if (!this.isStopped && this._next) {\n var _parentSubscriber = this._parentSubscriber;\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._next, value);\n }\n else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n var useDeprecatedSynchronousErrorHandling = config.useDeprecatedSynchronousErrorHandling;\n if (this._error) {\n if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._error, err);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, this._error, err);\n this.unsubscribe();\n }\n }\n else if (!_parentSubscriber.syncErrorThrowable) {\n this.unsubscribe();\n if (useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n hostReportError(err);\n }\n else {\n if (useDeprecatedSynchronousErrorHandling) {\n _parentSubscriber.syncErrorValue = err;\n _parentSubscriber.syncErrorThrown = true;\n }\n else {\n hostReportError(err);\n }\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.complete = function () {\n var _this = this;\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n if (this._complete) {\n var wrappedComplete = function () { return _this._complete.call(_this._context); };\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(wrappedComplete);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, wrappedComplete);\n this.unsubscribe();\n }\n }\n else {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) {\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n this.unsubscribe();\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n }\n };\n SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) {\n if (!config.useDeprecatedSynchronousErrorHandling) {\n throw new Error('bad call');\n }\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n parent.syncErrorValue = err;\n parent.syncErrorThrown = true;\n return true;\n }\n else {\n hostReportError(err);\n return true;\n }\n }\n return false;\n };\n SafeSubscriber.prototype._unsubscribe = function () {\n var _parentSubscriber = this._parentSubscriber;\n this._context = null;\n this._parentSubscriber = null;\n _parentSubscriber.unsubscribe();\n };\n return SafeSubscriber;\n}(Subscriber));\nexport { SafeSubscriber };\n//# sourceMappingURL=Subscriber.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var observable = /*@__PURE__*/ (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })();\n//# sourceMappingURL=observable.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function noop() { }\n//# sourceMappingURL=noop.js.map\n","/** PURE_IMPORTS_START _noop PURE_IMPORTS_END */\nimport { noop } from './noop';\nexport function pipe() {\n var fns = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n fns[_i] = arguments[_i];\n }\n return pipeFromArray(fns);\n}\nexport function pipeFromArray(fns) {\n if (!fns) {\n return noop;\n }\n if (fns.length === 1) {\n return fns[0];\n }\n return function piped(input) {\n return fns.reduce(function (prev, fn) { return fn(prev); }, input);\n };\n}\n//# sourceMappingURL=pipe.js.map\n","/** PURE_IMPORTS_START _util_canReportError,_util_toSubscriber,_symbol_observable,_util_pipe,_config PURE_IMPORTS_END */\nimport { canReportError } from './util/canReportError';\nimport { toSubscriber } from './util/toSubscriber';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nvar Observable = /*@__PURE__*/ (function () {\n function Observable(subscribe) {\n this._isScalar = false;\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n Observable.prototype.lift = function (operator) {\n var observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n };\n Observable.prototype.subscribe = function (observerOrNext, error, complete) {\n var operator = this.operator;\n var sink = toSubscriber(observerOrNext, error, complete);\n if (operator) {\n sink.add(operator.call(sink, this.source));\n }\n else {\n sink.add(this.source || (config.useDeprecatedSynchronousErrorHandling && !sink.syncErrorThrowable) ?\n this._subscribe(sink) :\n this._trySubscribe(sink));\n }\n if (config.useDeprecatedSynchronousErrorHandling) {\n if (sink.syncErrorThrowable) {\n sink.syncErrorThrowable = false;\n if (sink.syncErrorThrown) {\n throw sink.syncErrorValue;\n }\n }\n }\n return sink;\n };\n Observable.prototype._trySubscribe = function (sink) {\n try {\n return this._subscribe(sink);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n sink.syncErrorThrown = true;\n sink.syncErrorValue = err;\n }\n if (canReportError(sink)) {\n sink.error(err);\n }\n else {\n console.warn(err);\n }\n }\n };\n Observable.prototype.forEach = function (next, promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var subscription;\n subscription = _this.subscribe(function (value) {\n try {\n next(value);\n }\n catch (err) {\n reject(err);\n if (subscription) {\n subscription.unsubscribe();\n }\n }\n }, reject, resolve);\n });\n };\n Observable.prototype._subscribe = function (subscriber) {\n var source = this.source;\n return source && source.subscribe(subscriber);\n };\n Observable.prototype[Symbol_observable] = function () {\n return this;\n };\n Observable.prototype.pipe = function () {\n var operations = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n operations[_i] = arguments[_i];\n }\n if (operations.length === 0) {\n return this;\n }\n return pipeFromArray(operations)(this);\n };\n Observable.prototype.toPromise = function (promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var value;\n _this.subscribe(function (x) { return value = x; }, function (err) { return reject(err); }, function () { return resolve(value); });\n });\n };\n Observable.create = function (subscribe) {\n return new Observable(subscribe);\n };\n return Observable;\n}());\nexport { Observable };\nfunction getPromiseCtor(promiseCtor) {\n if (!promiseCtor) {\n promiseCtor = config.Promise || Promise;\n }\n if (!promiseCtor) {\n throw new Error('no Promise impl found');\n }\n return promiseCtor;\n}\n//# sourceMappingURL=Observable.js.map\n","/** PURE_IMPORTS_START _Subscriber,_symbol_rxSubscriber,_Observer PURE_IMPORTS_END */\nimport { Subscriber } from '../Subscriber';\nimport { rxSubscriber as rxSubscriberSymbol } from '../symbol/rxSubscriber';\nimport { empty as emptyObserver } from '../Observer';\nexport function toSubscriber(nextOrObserver, error, complete) {\n if (nextOrObserver) {\n if (nextOrObserver instanceof Subscriber) {\n return nextOrObserver;\n }\n if (nextOrObserver[rxSubscriberSymbol]) {\n return nextOrObserver[rxSubscriberSymbol]();\n }\n }\n if (!nextOrObserver && !error && !complete) {\n return new Subscriber(emptyObserver);\n }\n return new Subscriber(nextOrObserver, error, complete);\n}\n//# sourceMappingURL=toSubscriber.js.map\n","/** PURE_IMPORTS_START _Subscriber PURE_IMPORTS_END */\nimport { Subscriber } from '../Subscriber';\nexport function canReportError(observer) {\n while (observer) {\n var _a = observer, closed_1 = _a.closed, destination = _a.destination, isStopped = _a.isStopped;\n if (closed_1 || isStopped) {\n return false;\n }\n else if (destination && destination instanceof Subscriber) {\n observer = destination;\n }\n else {\n observer = null;\n }\n }\n return true;\n}\n//# sourceMappingURL=canReportError.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ObjectUnsubscribedErrorImpl = /*@__PURE__*/ (function () {\n function ObjectUnsubscribedErrorImpl() {\n Error.call(this);\n this.message = 'object unsubscribed';\n this.name = 'ObjectUnsubscribedError';\n return this;\n }\n ObjectUnsubscribedErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return ObjectUnsubscribedErrorImpl;\n})();\nexport var ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;\n//# sourceMappingURL=ObjectUnsubscribedError.js.map\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from './Subscription';\nvar SubjectSubscription = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SubjectSubscription, _super);\n function SubjectSubscription(subject, subscriber) {\n var _this = _super.call(this) || this;\n _this.subject = subject;\n _this.subscriber = subscriber;\n _this.closed = false;\n return _this;\n }\n SubjectSubscription.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.closed = true;\n var subject = this.subject;\n var observers = subject.observers;\n this.subject = null;\n if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {\n return;\n }\n var subscriberIndex = observers.indexOf(this.subscriber);\n if (subscriberIndex !== -1) {\n observers.splice(subscriberIndex, 1);\n }\n };\n return SubjectSubscription;\n}(Subscription));\nexport { SubjectSubscription };\n//# sourceMappingURL=SubjectSubscription.js.map\n","/** PURE_IMPORTS_START tslib,_Observable,_Subscriber,_Subscription,_util_ObjectUnsubscribedError,_SubjectSubscription,_internal_symbol_rxSubscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nvar SubjectSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SubjectSubscriber, _super);\n function SubjectSubscriber(destination) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n return _this;\n }\n return SubjectSubscriber;\n}(Subscriber));\nexport { SubjectSubscriber };\nvar Subject = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(Subject, _super);\n function Subject() {\n var _this = _super.call(this) || this;\n _this.observers = [];\n _this.closed = false;\n _this.isStopped = false;\n _this.hasError = false;\n _this.thrownError = null;\n return _this;\n }\n Subject.prototype[rxSubscriberSymbol] = function () {\n return new SubjectSubscriber(this);\n };\n Subject.prototype.lift = function (operator) {\n var subject = new AnonymousSubject(this, this);\n subject.operator = operator;\n return subject;\n };\n Subject.prototype.next = function (value) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n if (!this.isStopped) {\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].next(value);\n }\n }\n };\n Subject.prototype.error = function (err) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.hasError = true;\n this.thrownError = err;\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].error(err);\n }\n this.observers.length = 0;\n };\n Subject.prototype.complete = function () {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].complete();\n }\n this.observers.length = 0;\n };\n Subject.prototype.unsubscribe = function () {\n this.isStopped = true;\n this.closed = true;\n this.observers = null;\n };\n Subject.prototype._trySubscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else {\n return _super.prototype._trySubscribe.call(this, subscriber);\n }\n };\n Subject.prototype._subscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.hasError) {\n subscriber.error(this.thrownError);\n return Subscription.EMPTY;\n }\n else if (this.isStopped) {\n subscriber.complete();\n return Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n return new SubjectSubscription(this, subscriber);\n }\n };\n Subject.prototype.asObservable = function () {\n var observable = new Observable();\n observable.source = this;\n return observable;\n };\n Subject.create = function (destination, source) {\n return new AnonymousSubject(destination, source);\n };\n return Subject;\n}(Observable));\nexport { Subject };\nvar AnonymousSubject = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AnonymousSubject, _super);\n function AnonymousSubject(destination, source) {\n var _this = _super.call(this) || this;\n _this.destination = destination;\n _this.source = source;\n return _this;\n }\n AnonymousSubject.prototype.next = function (value) {\n var destination = this.destination;\n if (destination && destination.next) {\n destination.next(value);\n }\n };\n AnonymousSubject.prototype.error = function (err) {\n var destination = this.destination;\n if (destination && destination.error) {\n this.destination.error(err);\n }\n };\n AnonymousSubject.prototype.complete = function () {\n var destination = this.destination;\n if (destination && destination.complete) {\n this.destination.complete();\n }\n };\n AnonymousSubject.prototype._subscribe = function (subscriber) {\n var source = this.source;\n if (source) {\n return this.source.subscribe(subscriber);\n }\n else {\n return Subscription.EMPTY;\n }\n };\n return AnonymousSubject;\n}(Subject));\nexport { AnonymousSubject };\n//# sourceMappingURL=Subject.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isScheduler(value) {\n return value && typeof value.schedule === 'function';\n}\n//# sourceMappingURL=isScheduler.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var subscribeToArray = function (array) {\n return function (subscriber) {\n for (var i = 0, len = array.length; i < len && !subscriber.closed; i++) {\n subscriber.next(array[i]);\n }\n subscriber.complete();\n };\n};\n//# sourceMappingURL=subscribeToArray.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function scheduleArray(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var i = 0;\n sub.add(scheduler.schedule(function () {\n if (i === input.length) {\n subscriber.complete();\n return;\n }\n subscriber.next(input[i++]);\n if (!subscriber.closed) {\n sub.add(this.schedule());\n }\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleArray.js.map\n","/** PURE_IMPORTS_START _Observable,_util_subscribeToArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { subscribeToArray } from '../util/subscribeToArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function fromArray(input, scheduler) {\n if (!scheduler) {\n return new Observable(subscribeToArray(input));\n }\n else {\n return scheduleArray(input, scheduler);\n }\n}\n//# sourceMappingURL=fromArray.js.map\n","/** PURE_IMPORTS_START _util_isScheduler,_fromArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { isScheduler } from '../util/isScheduler';\nimport { fromArray } from './fromArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function of() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = args[args.length - 1];\n if (isScheduler(scheduler)) {\n args.pop();\n return scheduleArray(args, scheduler);\n }\n else {\n return fromArray(args);\n }\n}\n//# sourceMappingURL=of.js.map\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nexport var EMPTY = /*@__PURE__*/ new Observable(function (subscriber) { return subscriber.complete(); });\nexport function empty(scheduler) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\nfunction emptyScheduled(scheduler) {\n return new Observable(function (subscriber) { return scheduler.schedule(function () { return subscriber.complete(); }); });\n}\n//# sourceMappingURL=empty.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function map(project, thisArg) {\n return function mapOperation(source) {\n if (typeof project !== 'function') {\n throw new TypeError('argument is not a function. Are you looking for `mapTo()`?');\n }\n return source.lift(new MapOperator(project, thisArg));\n };\n}\nvar MapOperator = /*@__PURE__*/ (function () {\n function MapOperator(project, thisArg) {\n this.project = project;\n this.thisArg = thisArg;\n }\n MapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg));\n };\n return MapOperator;\n}());\nexport { MapOperator };\nvar MapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MapSubscriber, _super);\n function MapSubscriber(destination, project, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.count = 0;\n _this.thisArg = thisArg || _this;\n return _this;\n }\n MapSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.project.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return MapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=map.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = /*@__PURE__*/ getSymbolIterator();\nexport var $$iterator = iterator;\n//# sourceMappingURL=iterator.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n//# sourceMappingURL=isArrayLike.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isPromise(value) {\n return !!value && typeof value.subscribe !== 'function' && typeof value.then === 'function';\n}\n//# sourceMappingURL=isPromise.js.map\n","/** PURE_IMPORTS_START _subscribeToArray,_subscribeToPromise,_subscribeToIterable,_subscribeToObservable,_isArrayLike,_isPromise,_isObject,_symbol_iterator,_symbol_observable PURE_IMPORTS_END */\nimport { subscribeToArray } from './subscribeToArray';\nimport { subscribeToPromise } from './subscribeToPromise';\nimport { subscribeToIterable } from './subscribeToIterable';\nimport { subscribeToObservable } from './subscribeToObservable';\nimport { isArrayLike } from './isArrayLike';\nimport { isPromise } from './isPromise';\nimport { isObject } from './isObject';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeTo = function (result) {\n if (!!result && typeof result[Symbol_observable] === 'function') {\n return subscribeToObservable(result);\n }\n else if (isArrayLike(result)) {\n return subscribeToArray(result);\n }\n else if (isPromise(result)) {\n return subscribeToPromise(result);\n }\n else if (!!result && typeof result[Symbol_iterator] === 'function') {\n return subscribeToIterable(result);\n }\n else {\n var value = isObject(result) ? 'an invalid object' : \"'\" + result + \"'\";\n var msg = \"You provided \" + value + \" where a stream was expected.\"\n + ' You can provide an Observable, Promise, Array, or Iterable.';\n throw new TypeError(msg);\n }\n};\n//# sourceMappingURL=subscribeTo.js.map\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeToObservable = function (obj) {\n return function (subscriber) {\n var obs = obj[Symbol_observable]();\n if (typeof obs.subscribe !== 'function') {\n throw new TypeError('Provided object does not correctly implement Symbol.observable');\n }\n else {\n return obs.subscribe(subscriber);\n }\n };\n};\n//# sourceMappingURL=subscribeToObservable.js.map\n","/** PURE_IMPORTS_START _hostReportError PURE_IMPORTS_END */\nimport { hostReportError } from './hostReportError';\nexport var subscribeToPromise = function (promise) {\n return function (subscriber) {\n promise.then(function (value) {\n if (!subscriber.closed) {\n subscriber.next(value);\n subscriber.complete();\n }\n }, function (err) { return subscriber.error(err); })\n .then(null, hostReportError);\n return subscriber;\n };\n};\n//# sourceMappingURL=subscribeToPromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport var subscribeToIterable = function (iterable) {\n return function (subscriber) {\n var iterator = iterable[Symbol_iterator]();\n do {\n var item = iterator.next();\n if (item.done) {\n subscriber.complete();\n break;\n }\n subscriber.next(item.value);\n if (subscriber.closed) {\n break;\n }\n } while (true);\n if (typeof iterator.return === 'function') {\n subscriber.add(function () {\n if (iterator.return) {\n iterator.return();\n }\n });\n }\n return subscriber;\n };\n};\n//# sourceMappingURL=subscribeToIterable.js.map\n","/** PURE_IMPORTS_START _scheduleObservable,_schedulePromise,_scheduleArray,_scheduleIterable,_util_isInteropObservable,_util_isPromise,_util_isArrayLike,_util_isIterable PURE_IMPORTS_END */\nimport { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nexport function scheduled(input, scheduler) {\n if (input != null) {\n if (isInteropObservable(input)) {\n return scheduleObservable(input, scheduler);\n }\n else if (isPromise(input)) {\n return schedulePromise(input, scheduler);\n }\n else if (isArrayLike(input)) {\n return scheduleArray(input, scheduler);\n }\n else if (isIterable(input) || typeof input === 'string') {\n return scheduleIterable(input, scheduler);\n }\n }\n throw new TypeError((input !== null && typeof input || input) + ' is not observable');\n}\n//# sourceMappingURL=scheduled.js.map\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function isInteropObservable(input) {\n return input && typeof input[Symbol_observable] === 'function';\n}\n//# sourceMappingURL=isInteropObservable.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function scheduleObservable(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () {\n var observable = input[Symbol_observable]();\n sub.add(observable.subscribe({\n next: function (value) { sub.add(scheduler.schedule(function () { return subscriber.next(value); })); },\n error: function (err) { sub.add(scheduler.schedule(function () { return subscriber.error(err); })); },\n complete: function () { sub.add(scheduler.schedule(function () { return subscriber.complete(); })); },\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleObservable.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function schedulePromise(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () {\n return input.then(function (value) {\n sub.add(scheduler.schedule(function () {\n subscriber.next(value);\n sub.add(scheduler.schedule(function () { return subscriber.complete(); }));\n }));\n }, function (err) {\n sub.add(scheduler.schedule(function () { return subscriber.error(err); }));\n });\n }));\n return sub;\n });\n}\n//# sourceMappingURL=schedulePromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function isIterable(input) {\n return input && typeof input[Symbol_iterator] === 'function';\n}\n//# sourceMappingURL=isIterable.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_iterator PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function scheduleIterable(input, scheduler) {\n if (!input) {\n throw new Error('Iterable cannot be null');\n }\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var iterator;\n sub.add(function () {\n if (iterator && typeof iterator.return === 'function') {\n iterator.return();\n }\n });\n sub.add(scheduler.schedule(function () {\n iterator = input[Symbol_iterator]();\n sub.add(scheduler.schedule(function () {\n if (subscriber.closed) {\n return;\n }\n var value;\n var done;\n try {\n var result = iterator.next();\n value = result.value;\n done = result.done;\n }\n catch (err) {\n subscriber.error(err);\n return;\n }\n if (done) {\n subscriber.complete();\n }\n else {\n subscriber.next(value);\n this.schedule();\n }\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleIterable.js.map\n","/** PURE_IMPORTS_START _Observable,_util_subscribeTo,_scheduled_scheduled PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { subscribeTo } from '../util/subscribeTo';\nimport { scheduled } from '../scheduled/scheduled';\nexport function from(input, scheduler) {\n if (!scheduler) {\n if (input instanceof Observable) {\n return input;\n }\n return new Observable(subscribeTo(input));\n }\n else {\n return scheduled(input, scheduler);\n }\n}\n//# sourceMappingURL=from.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_operators_map,_util_isObject,_from PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { map } from '../operators/map';\nimport { isObject } from '../util/isObject';\nimport { from } from './from';\nexport function forkJoin() {\n var sources = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n sources[_i] = arguments[_i];\n }\n if (sources.length === 1) {\n var first_1 = sources[0];\n if (isArray(first_1)) {\n return forkJoinInternal(first_1, null);\n }\n if (isObject(first_1) && Object.getPrototypeOf(first_1) === Object.prototype) {\n var keys = Object.keys(first_1);\n return forkJoinInternal(keys.map(function (key) { return first_1[key]; }), keys);\n }\n }\n if (typeof sources[sources.length - 1] === 'function') {\n var resultSelector_1 = sources.pop();\n sources = (sources.length === 1 && isArray(sources[0])) ? sources[0] : sources;\n return forkJoinInternal(sources, null).pipe(map(function (args) { return resultSelector_1.apply(void 0, args); }));\n }\n return forkJoinInternal(sources, null);\n}\nfunction forkJoinInternal(sources, keys) {\n return new Observable(function (subscriber) {\n var len = sources.length;\n if (len === 0) {\n subscriber.complete();\n return;\n }\n var values = new Array(len);\n var completed = 0;\n var emitted = 0;\n var _loop_1 = function (i) {\n var source = from(sources[i]);\n var hasValue = false;\n subscriber.add(source.subscribe({\n next: function (value) {\n if (!hasValue) {\n hasValue = true;\n emitted++;\n }\n values[i] = value;\n },\n error: function (err) { return subscriber.error(err); },\n complete: function () {\n completed++;\n if (completed === len || !hasValue) {\n if (emitted === len) {\n subscriber.next(keys ?\n keys.reduce(function (result, key, i) { return (result[key] = values[i], result); }, {}) :\n values);\n }\n subscriber.complete();\n }\n }\n }));\n };\n for (var i = 0; i < len; i++) {\n _loop_1(i);\n }\n });\n}\n//# sourceMappingURL=forkJoin.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nvar toString = /*@__PURE__*/ (function () { return Object.prototype.toString; })();\nexport function fromEvent(target, eventName, options, resultSelector) {\n if (isFunction(options)) {\n resultSelector = options;\n options = undefined;\n }\n if (resultSelector) {\n return fromEvent(target, eventName, options).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n function handler(e) {\n if (arguments.length > 1) {\n subscriber.next(Array.prototype.slice.call(arguments));\n }\n else {\n subscriber.next(e);\n }\n }\n setupSubscription(target, eventName, handler, subscriber, options);\n });\n}\nfunction setupSubscription(sourceObj, eventName, handler, subscriber, options) {\n var unsubscribe;\n if (isEventTarget(sourceObj)) {\n var source_1 = sourceObj;\n sourceObj.addEventListener(eventName, handler, options);\n unsubscribe = function () { return source_1.removeEventListener(eventName, handler, options); };\n }\n else if (isJQueryStyleEventEmitter(sourceObj)) {\n var source_2 = sourceObj;\n sourceObj.on(eventName, handler);\n unsubscribe = function () { return source_2.off(eventName, handler); };\n }\n else if (isNodeStyleEventEmitter(sourceObj)) {\n var source_3 = sourceObj;\n sourceObj.addListener(eventName, handler);\n unsubscribe = function () { return source_3.removeListener(eventName, handler); };\n }\n else if (sourceObj && sourceObj.length) {\n for (var i = 0, len = sourceObj.length; i < len; i++) {\n setupSubscription(sourceObj[i], eventName, handler, subscriber, options);\n }\n }\n else {\n throw new TypeError('Invalid event target');\n }\n subscriber.add(unsubscribe);\n}\nfunction isNodeStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.addListener === 'function' && typeof sourceObj.removeListener === 'function';\n}\nfunction isJQueryStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.on === 'function' && typeof sourceObj.off === 'function';\n}\nfunction isEventTarget(sourceObj) {\n return sourceObj && typeof sourceObj.addEventListener === 'function' && typeof sourceObj.removeEventListener === 'function';\n}\n//# sourceMappingURL=fromEvent.js.map\n","/** PURE_IMPORTS_START _Observable,_util_noop PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = /*@__PURE__*/ new Observable(noop);\nexport function never() {\n return NEVER;\n}\n//# sourceMappingURL=never.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar InnerSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(InnerSubscriber, _super);\n function InnerSubscriber(parent, outerValue, outerIndex) {\n var _this = _super.call(this) || this;\n _this.parent = parent;\n _this.outerValue = outerValue;\n _this.outerIndex = outerIndex;\n _this.index = 0;\n return _this;\n }\n InnerSubscriber.prototype._next = function (value) {\n this.parent.notifyNext(this.outerValue, value, this.outerIndex, this.index++, this);\n };\n InnerSubscriber.prototype._error = function (error) {\n this.parent.notifyError(error, this);\n this.unsubscribe();\n };\n InnerSubscriber.prototype._complete = function () {\n this.parent.notifyComplete(this);\n this.unsubscribe();\n };\n return InnerSubscriber;\n}(Subscriber));\nexport { InnerSubscriber };\n//# sourceMappingURL=InnerSubscriber.js.map\n","/** PURE_IMPORTS_START _InnerSubscriber,_subscribeTo,_Observable PURE_IMPORTS_END */\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeTo } from './subscribeTo';\nimport { Observable } from '../Observable';\nexport function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, destination) {\n if (destination === void 0) {\n destination = new InnerSubscriber(outerSubscriber, outerValue, outerIndex);\n }\n if (destination.closed) {\n return undefined;\n }\n if (result instanceof Observable) {\n return result.subscribe(destination);\n }\n return subscribeTo(result)(destination);\n}\n//# sourceMappingURL=subscribeToResult.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar OuterSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(OuterSubscriber, _super);\n function OuterSubscriber() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n OuterSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n OuterSubscriber.prototype.notifyError = function (error, innerSub) {\n this.destination.error(error);\n };\n OuterSubscriber.prototype.notifyComplete = function (innerSub) {\n this.destination.complete();\n };\n return OuterSubscriber;\n}(Subscriber));\nexport { OuterSubscriber };\n//# sourceMappingURL=OuterSubscriber.js.map\n","/** PURE_IMPORTS_START tslib,_util_subscribeToResult,_OuterSubscriber,_InnerSubscriber,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function mergeMap(project, resultSelector, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(mergeMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); }, concurrent)); };\n }\n else if (typeof resultSelector === 'number') {\n concurrent = resultSelector;\n }\n return function (source) { return source.lift(new MergeMapOperator(project, concurrent)); };\n}\nvar MergeMapOperator = /*@__PURE__*/ (function () {\n function MergeMapOperator(project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n this.project = project;\n this.concurrent = concurrent;\n }\n MergeMapOperator.prototype.call = function (observer, source) {\n return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));\n };\n return MergeMapOperator;\n}());\nexport { MergeMapOperator };\nvar MergeMapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MergeMapSubscriber, _super);\n function MergeMapSubscriber(destination, project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.concurrent = concurrent;\n _this.hasCompleted = false;\n _this.buffer = [];\n _this.active = 0;\n _this.index = 0;\n return _this;\n }\n MergeMapSubscriber.prototype._next = function (value) {\n if (this.active < this.concurrent) {\n this._tryNext(value);\n }\n else {\n this.buffer.push(value);\n }\n };\n MergeMapSubscriber.prototype._tryNext = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.active++;\n this._innerSub(result, value, index);\n };\n MergeMapSubscriber.prototype._innerSub = function (ish, value, index) {\n var innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n subscribeToResult(this, ish, value, index, innerSubscriber);\n };\n MergeMapSubscriber.prototype._complete = function () {\n this.hasCompleted = true;\n if (this.active === 0 && this.buffer.length === 0) {\n this.destination.complete();\n }\n this.unsubscribe();\n };\n MergeMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n MergeMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var buffer = this.buffer;\n this.remove(innerSub);\n this.active--;\n if (buffer.length > 0) {\n this._next(buffer.shift());\n }\n else if (this.active === 0 && this.hasCompleted) {\n this.destination.complete();\n }\n };\n return MergeMapSubscriber;\n}(OuterSubscriber));\nexport { MergeMapSubscriber };\n//# sourceMappingURL=mergeMap.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function identity(x) {\n return x;\n}\n//# sourceMappingURL=identity.js.map\n","/** PURE_IMPORTS_START _mergeMap,_util_identity PURE_IMPORTS_END */\nimport { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n return mergeMap(identity, concurrent);\n}\n//# sourceMappingURL=mergeAll.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isScheduler,_operators_mergeAll,_fromArray PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isScheduler } from '../util/isScheduler';\nimport { mergeAll } from '../operators/mergeAll';\nimport { fromArray } from './fromArray';\nexport function merge() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var concurrent = Number.POSITIVE_INFINITY;\n var scheduler = null;\n var last = observables[observables.length - 1];\n if (isScheduler(last)) {\n scheduler = observables.pop();\n if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {\n concurrent = observables.pop();\n }\n }\n else if (typeof last === 'number') {\n concurrent = observables.pop();\n }\n if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {\n return observables[0];\n }\n return mergeAll(concurrent)(fromArray(observables, scheduler));\n}\n//# sourceMappingURL=merge.js.map\n","/** PURE_IMPORTS_START tslib,_.._util_root,_.._Observable,_.._Subscriber,_.._operators_map PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { root } from '../../util/root';\nimport { Observable } from '../../Observable';\nimport { Subscriber } from '../../Subscriber';\nimport { map } from '../../operators/map';\nfunction getCORSRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else if (!!root.XDomainRequest) {\n return new root.XDomainRequest();\n }\n else {\n throw new Error('CORS is not supported by your browser');\n }\n}\nfunction getXMLHttpRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else {\n var progId = void 0;\n try {\n var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];\n for (var i = 0; i < 3; i++) {\n try {\n progId = progIds[i];\n if (new root.ActiveXObject(progId)) {\n break;\n }\n }\n catch (e) {\n }\n }\n return new root.ActiveXObject(progId);\n }\n catch (e) {\n throw new Error('XMLHttpRequest is not supported by your browser');\n }\n }\n}\nexport function ajaxGet(url, headers) {\n if (headers === void 0) {\n headers = null;\n }\n return new AjaxObservable({ method: 'GET', url: url, headers: headers });\n}\nexport function ajaxPost(url, body, headers) {\n return new AjaxObservable({ method: 'POST', url: url, body: body, headers: headers });\n}\nexport function ajaxDelete(url, headers) {\n return new AjaxObservable({ method: 'DELETE', url: url, headers: headers });\n}\nexport function ajaxPut(url, body, headers) {\n return new AjaxObservable({ method: 'PUT', url: url, body: body, headers: headers });\n}\nexport function ajaxPatch(url, body, headers) {\n return new AjaxObservable({ method: 'PATCH', url: url, body: body, headers: headers });\n}\nvar mapResponse = /*@__PURE__*/ map(function (x, index) { return x.response; });\nexport function ajaxGetJSON(url, headers) {\n return mapResponse(new AjaxObservable({\n method: 'GET',\n url: url,\n responseType: 'json',\n headers: headers\n }));\n}\nvar AjaxObservable = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AjaxObservable, _super);\n function AjaxObservable(urlOrRequest) {\n var _this = _super.call(this) || this;\n var request = {\n async: true,\n createXHR: function () {\n return this.crossDomain ? getCORSRequest() : getXMLHttpRequest();\n },\n crossDomain: true,\n withCredentials: false,\n headers: {},\n method: 'GET',\n responseType: 'json',\n timeout: 0\n };\n if (typeof urlOrRequest === 'string') {\n request.url = urlOrRequest;\n }\n else {\n for (var prop in urlOrRequest) {\n if (urlOrRequest.hasOwnProperty(prop)) {\n request[prop] = urlOrRequest[prop];\n }\n }\n }\n _this.request = request;\n return _this;\n }\n AjaxObservable.prototype._subscribe = function (subscriber) {\n return new AjaxSubscriber(subscriber, this.request);\n };\n AjaxObservable.create = (function () {\n var create = function (urlOrRequest) {\n return new AjaxObservable(urlOrRequest);\n };\n create.get = ajaxGet;\n create.post = ajaxPost;\n create.delete = ajaxDelete;\n create.put = ajaxPut;\n create.patch = ajaxPatch;\n create.getJSON = ajaxGetJSON;\n return create;\n })();\n return AjaxObservable;\n}(Observable));\nexport { AjaxObservable };\nvar AjaxSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AjaxSubscriber, _super);\n function AjaxSubscriber(destination, request) {\n var _this = _super.call(this, destination) || this;\n _this.request = request;\n _this.done = false;\n var headers = request.headers = request.headers || {};\n if (!request.crossDomain && !_this.getHeader(headers, 'X-Requested-With')) {\n headers['X-Requested-With'] = 'XMLHttpRequest';\n }\n var contentTypeHeader = _this.getHeader(headers, 'Content-Type');\n if (!contentTypeHeader && !(root.FormData && request.body instanceof root.FormData) && typeof request.body !== 'undefined') {\n headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';\n }\n request.body = _this.serializeBody(request.body, _this.getHeader(request.headers, 'Content-Type'));\n _this.send();\n return _this;\n }\n AjaxSubscriber.prototype.next = function (e) {\n this.done = true;\n var _a = this, xhr = _a.xhr, request = _a.request, destination = _a.destination;\n var result;\n try {\n result = new AjaxResponse(e, xhr, request);\n }\n catch (err) {\n return destination.error(err);\n }\n destination.next(result);\n };\n AjaxSubscriber.prototype.send = function () {\n var _a = this, request = _a.request, _b = _a.request, user = _b.user, method = _b.method, url = _b.url, async = _b.async, password = _b.password, headers = _b.headers, body = _b.body;\n try {\n var xhr = this.xhr = request.createXHR();\n this.setupEvents(xhr, request);\n if (user) {\n xhr.open(method, url, async, user, password);\n }\n else {\n xhr.open(method, url, async);\n }\n if (async) {\n xhr.timeout = request.timeout;\n xhr.responseType = request.responseType;\n }\n if ('withCredentials' in xhr) {\n xhr.withCredentials = !!request.withCredentials;\n }\n this.setHeaders(xhr, headers);\n if (body) {\n xhr.send(body);\n }\n else {\n xhr.send();\n }\n }\n catch (err) {\n this.error(err);\n }\n };\n AjaxSubscriber.prototype.serializeBody = function (body, contentType) {\n if (!body || typeof body === 'string') {\n return body;\n }\n else if (root.FormData && body instanceof root.FormData) {\n return body;\n }\n if (contentType) {\n var splitIndex = contentType.indexOf(';');\n if (splitIndex !== -1) {\n contentType = contentType.substring(0, splitIndex);\n }\n }\n switch (contentType) {\n case 'application/x-www-form-urlencoded':\n return Object.keys(body).map(function (key) { return encodeURIComponent(key) + \"=\" + encodeURIComponent(body[key]); }).join('&');\n case 'application/json':\n return JSON.stringify(body);\n default:\n return body;\n }\n };\n AjaxSubscriber.prototype.setHeaders = function (xhr, headers) {\n for (var key in headers) {\n if (headers.hasOwnProperty(key)) {\n xhr.setRequestHeader(key, headers[key]);\n }\n }\n };\n AjaxSubscriber.prototype.getHeader = function (headers, headerName) {\n for (var key in headers) {\n if (key.toLowerCase() === headerName.toLowerCase()) {\n return headers[key];\n }\n }\n return undefined;\n };\n AjaxSubscriber.prototype.setupEvents = function (xhr, request) {\n var progressSubscriber = request.progressSubscriber;\n function xhrTimeout(e) {\n var _a = xhrTimeout, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxTimeoutError(this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n xhr.ontimeout = xhrTimeout;\n xhrTimeout.request = request;\n xhrTimeout.subscriber = this;\n xhrTimeout.progressSubscriber = progressSubscriber;\n if (xhr.upload && 'withCredentials' in xhr) {\n if (progressSubscriber) {\n var xhrProgress_1;\n xhrProgress_1 = function (e) {\n var progressSubscriber = xhrProgress_1.progressSubscriber;\n progressSubscriber.next(e);\n };\n if (root.XDomainRequest) {\n xhr.onprogress = xhrProgress_1;\n }\n else {\n xhr.upload.onprogress = xhrProgress_1;\n }\n xhrProgress_1.progressSubscriber = progressSubscriber;\n }\n var xhrError_1;\n xhrError_1 = function (e) {\n var _a = xhrError_1, progressSubscriber = _a.progressSubscriber, subscriber = _a.subscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxError('ajax error', this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n };\n xhr.onerror = xhrError_1;\n xhrError_1.request = request;\n xhrError_1.subscriber = this;\n xhrError_1.progressSubscriber = progressSubscriber;\n }\n function xhrReadyStateChange(e) {\n return;\n }\n xhr.onreadystatechange = xhrReadyStateChange;\n xhrReadyStateChange.subscriber = this;\n xhrReadyStateChange.progressSubscriber = progressSubscriber;\n xhrReadyStateChange.request = request;\n function xhrLoad(e) {\n var _a = xhrLoad, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (this.readyState === 4) {\n var status_1 = this.status === 1223 ? 204 : this.status;\n var response = (this.responseType === 'text' ? (this.response || this.responseText) : this.response);\n if (status_1 === 0) {\n status_1 = response ? 200 : 0;\n }\n if (status_1 < 400) {\n if (progressSubscriber) {\n progressSubscriber.complete();\n }\n subscriber.next(e);\n subscriber.complete();\n }\n else {\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error = void 0;\n try {\n error = new AjaxError('ajax error ' + status_1, this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n }\n }\n xhr.onload = xhrLoad;\n xhrLoad.subscriber = this;\n xhrLoad.progressSubscriber = progressSubscriber;\n xhrLoad.request = request;\n };\n AjaxSubscriber.prototype.unsubscribe = function () {\n var _a = this, done = _a.done, xhr = _a.xhr;\n if (!done && xhr && xhr.readyState !== 4 && typeof xhr.abort === 'function') {\n xhr.abort();\n }\n _super.prototype.unsubscribe.call(this);\n };\n return AjaxSubscriber;\n}(Subscriber));\nexport { AjaxSubscriber };\nvar AjaxResponse = /*@__PURE__*/ (function () {\n function AjaxResponse(originalEvent, xhr, request) {\n this.originalEvent = originalEvent;\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n }\n return AjaxResponse;\n}());\nexport { AjaxResponse };\nvar AjaxErrorImpl = /*@__PURE__*/ (function () {\n function AjaxErrorImpl(message, xhr, request) {\n Error.call(this);\n this.message = message;\n this.name = 'AjaxError';\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n return this;\n }\n AjaxErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return AjaxErrorImpl;\n})();\nexport var AjaxError = AjaxErrorImpl;\nfunction parseJson(xhr) {\n if ('response' in xhr) {\n return xhr.responseType ? xhr.response : JSON.parse(xhr.response || xhr.responseText || 'null');\n }\n else {\n return JSON.parse(xhr.responseText || 'null');\n }\n}\nfunction parseXhrResponse(responseType, xhr) {\n switch (responseType) {\n case 'json':\n return parseJson(xhr);\n case 'xml':\n return xhr.responseXML;\n case 'text':\n default:\n return ('response' in xhr) ? xhr.response : xhr.responseText;\n }\n}\nfunction AjaxTimeoutErrorImpl(xhr, request) {\n AjaxError.call(this, 'ajax timeout', xhr, request);\n this.name = 'AjaxTimeoutError';\n return this;\n}\nexport var AjaxTimeoutError = AjaxTimeoutErrorImpl;\n//# sourceMappingURL=AjaxObservable.js.map\n","/** PURE_IMPORTS_START _AjaxObservable PURE_IMPORTS_END */\nimport { AjaxObservable } from './AjaxObservable';\nexport var ajax = /*@__PURE__*/ (function () { return AjaxObservable.create; })();\n//# sourceMappingURL=ajax.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function filter(predicate, thisArg) {\n return function filterOperatorFunction(source) {\n return source.lift(new FilterOperator(predicate, thisArg));\n };\n}\nvar FilterOperator = /*@__PURE__*/ (function () {\n function FilterOperator(predicate, thisArg) {\n this.predicate = predicate;\n this.thisArg = thisArg;\n }\n FilterOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));\n };\n return FilterOperator;\n}());\nvar FilterSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(FilterSubscriber, _super);\n function FilterSubscriber(destination, predicate, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.predicate = predicate;\n _this.thisArg = thisArg;\n _this.count = 0;\n return _this;\n }\n FilterSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.predicate.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n if (result) {\n this.destination.next(value);\n }\n };\n return FilterSubscriber;\n}(Subscriber));\n//# sourceMappingURL=filter.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_noop,_util_isFunction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { noop } from '../util/noop';\nimport { isFunction } from '../util/isFunction';\nexport function tap(nextOrObserver, error, complete) {\n return function tapOperatorFunction(source) {\n return source.lift(new DoOperator(nextOrObserver, error, complete));\n };\n}\nvar DoOperator = /*@__PURE__*/ (function () {\n function DoOperator(nextOrObserver, error, complete) {\n this.nextOrObserver = nextOrObserver;\n this.error = error;\n this.complete = complete;\n }\n DoOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));\n };\n return DoOperator;\n}());\nvar TapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(TapSubscriber, _super);\n function TapSubscriber(destination, observerOrNext, error, complete) {\n var _this = _super.call(this, destination) || this;\n _this._tapNext = noop;\n _this._tapError = noop;\n _this._tapComplete = noop;\n _this._tapError = error || noop;\n _this._tapComplete = complete || noop;\n if (isFunction(observerOrNext)) {\n _this._context = _this;\n _this._tapNext = observerOrNext;\n }\n else if (observerOrNext) {\n _this._context = observerOrNext;\n _this._tapNext = observerOrNext.next || noop;\n _this._tapError = observerOrNext.error || noop;\n _this._tapComplete = observerOrNext.complete || noop;\n }\n return _this;\n }\n TapSubscriber.prototype._next = function (value) {\n try {\n this._tapNext.call(this._context, value);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(value);\n };\n TapSubscriber.prototype._error = function (err) {\n try {\n this._tapError.call(this._context, err);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.error(err);\n };\n TapSubscriber.prototype._complete = function () {\n try {\n this._tapComplete.call(this._context);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n return this.destination.complete();\n };\n return TapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=tap.js.map\n","/** PURE_IMPORTS_START _map PURE_IMPORTS_END */\nimport { map } from './map';\nexport function pluck() {\n var properties = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n properties[_i] = arguments[_i];\n }\n var length = properties.length;\n if (length === 0) {\n throw new Error('list of properties cannot be empty.');\n }\n return function (source) { return map(plucker(properties, length))(source); };\n}\nfunction plucker(props, length) {\n var mapper = function (x) {\n var currentProp = x;\n for (var i = 0; i < length; i++) {\n var p = currentProp[props[i]];\n if (typeof p !== 'undefined') {\n currentProp = p;\n }\n else {\n return undefined;\n }\n }\n return currentProp;\n };\n return mapper;\n}\n//# sourceMappingURL=pluck.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ArgumentOutOfRangeErrorImpl = /*@__PURE__*/ (function () {\n function ArgumentOutOfRangeErrorImpl() {\n Error.call(this);\n this.message = 'argument out of range';\n this.name = 'ArgumentOutOfRangeError';\n return this;\n }\n ArgumentOutOfRangeErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return ArgumentOutOfRangeErrorImpl;\n})();\nexport var ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;\n//# sourceMappingURL=ArgumentOutOfRangeError.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_ArgumentOutOfRangeError,_observable_empty PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nexport function take(count) {\n return function (source) {\n if (count === 0) {\n return empty();\n }\n else {\n return source.lift(new TakeOperator(count));\n }\n };\n}\nvar TakeOperator = /*@__PURE__*/ (function () {\n function TakeOperator(total) {\n this.total = total;\n if (this.total < 0) {\n throw new ArgumentOutOfRangeError;\n }\n }\n TakeOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TakeSubscriber(subscriber, this.total));\n };\n return TakeOperator;\n}());\nvar TakeSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(TakeSubscriber, _super);\n function TakeSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n TakeSubscriber.prototype._next = function (value) {\n var total = this.total;\n var count = ++this.count;\n if (count <= total) {\n this.destination.next(value);\n if (count === total) {\n this.destination.complete();\n this.unsubscribe();\n }\n }\n };\n return TakeSubscriber;\n}(Subscriber));\n//# sourceMappingURL=take.js.map\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function switchMap(project, resultSelector) {\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(switchMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); };\n }\n return function (source) { return source.lift(new SwitchMapOperator(project)); };\n}\nvar SwitchMapOperator = /*@__PURE__*/ (function () {\n function SwitchMapOperator(project) {\n this.project = project;\n }\n SwitchMapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));\n };\n return SwitchMapOperator;\n}());\nvar SwitchMapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SwitchMapSubscriber, _super);\n function SwitchMapSubscriber(destination, project) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.index = 0;\n return _this;\n }\n SwitchMapSubscriber.prototype._next = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (error) {\n this.destination.error(error);\n return;\n }\n this._innerSub(result, value, index);\n };\n SwitchMapSubscriber.prototype._innerSub = function (result, value, index) {\n var innerSubscription = this.innerSubscription;\n if (innerSubscription) {\n innerSubscription.unsubscribe();\n }\n var innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n this.innerSubscription = subscribeToResult(this, result, value, index, innerSubscriber);\n };\n SwitchMapSubscriber.prototype._complete = function () {\n var innerSubscription = this.innerSubscription;\n if (!innerSubscription || innerSubscription.closed) {\n _super.prototype._complete.call(this);\n }\n this.unsubscribe();\n };\n SwitchMapSubscriber.prototype._unsubscribe = function () {\n this.innerSubscription = null;\n };\n SwitchMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var destination = this.destination;\n destination.remove(innerSub);\n this.innerSubscription = null;\n if (this.isStopped) {\n _super.prototype._complete.call(this);\n }\n };\n SwitchMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n return SwitchMapSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=switchMap.js.map\n","/** PURE_IMPORTS_START _observable_empty,_observable_of,_observable_throwError PURE_IMPORTS_END */\nimport { empty } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nexport var NotificationKind;\n/*@__PURE__*/ (function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = /*@__PURE__*/ (function () {\n function Notification(kind, value, error) {\n this.kind = kind;\n this.value = value;\n this.error = error;\n this.hasValue = kind === 'N';\n }\n Notification.prototype.observe = function (observer) {\n switch (this.kind) {\n case 'N':\n return observer.next && observer.next(this.value);\n case 'E':\n return observer.error && observer.error(this.error);\n case 'C':\n return observer.complete && observer.complete();\n }\n };\n Notification.prototype.do = function (next, error, complete) {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return next && next(this.value);\n case 'E':\n return error && error(this.error);\n case 'C':\n return complete && complete();\n }\n };\n Notification.prototype.accept = function (nextOrObserver, error, complete) {\n if (nextOrObserver && typeof nextOrObserver.next === 'function') {\n return this.observe(nextOrObserver);\n }\n else {\n return this.do(nextOrObserver, error, complete);\n }\n };\n Notification.prototype.toObservable = function () {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return of(this.value);\n case 'E':\n return throwError(this.error);\n case 'C':\n return empty();\n }\n throw new Error('unexpected notification kind value');\n };\n Notification.createNext = function (value) {\n if (typeof value !== 'undefined') {\n return new Notification('N', value);\n }\n return Notification.undefinedValueNotification;\n };\n Notification.createError = function (err) {\n return new Notification('E', undefined, err);\n };\n Notification.createComplete = function () {\n return Notification.completeNotification;\n };\n Notification.completeNotification = new Notification('C');\n Notification.undefinedValueNotification = new Notification('N', undefined);\n return Notification;\n}());\nexport { Notification };\n//# sourceMappingURL=Notification.js.map\n","/** PURE_IMPORTS_START tslib,_Action PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Action } from './Action';\nvar AsyncAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AsyncAction, _super);\n function AsyncAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n _this.pending = false;\n return _this;\n }\n AsyncAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (this.closed) {\n return this;\n }\n this.state = state;\n var id = this.id;\n var scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = this.id || this.requestAsyncId(scheduler, this.id, delay);\n return this;\n };\n AsyncAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (delay !== null && this.delay === delay && this.pending === false) {\n return id;\n }\n clearInterval(id);\n return undefined;\n };\n AsyncAction.prototype.execute = function (state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n var error = this._execute(state, delay);\n if (error) {\n return error;\n }\n else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n };\n AsyncAction.prototype._execute = function (state, delay) {\n var errored = false;\n var errorValue = undefined;\n try {\n this.work(state);\n }\n catch (e) {\n errored = true;\n errorValue = !!e && e || new Error(e);\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n };\n AsyncAction.prototype._unsubscribe = function () {\n var id = this.id;\n var scheduler = this.scheduler;\n var actions = scheduler.actions;\n var index = actions.indexOf(this);\n this.work = null;\n this.state = null;\n this.pending = false;\n this.scheduler = null;\n if (index !== -1) {\n actions.splice(index, 1);\n }\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n };\n return AsyncAction;\n}(Action));\nexport { AsyncAction };\n//# sourceMappingURL=AsyncAction.js.map\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(Action, _super);\n function Action(scheduler, work) {\n return _super.call(this) || this;\n }\n Action.prototype.schedule = function (state, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n//# sourceMappingURL=Action.js.map\n","var Scheduler = /*@__PURE__*/ (function () {\n function Scheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\n this.SchedulerAction = SchedulerAction;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) {\n delay = 0;\n }\n return new this.SchedulerAction(this, work).schedule(state, delay);\n };\n Scheduler.now = function () { return Date.now(); };\n return Scheduler;\n}());\nexport { Scheduler };\n//# sourceMappingURL=Scheduler.js.map\n","/** PURE_IMPORTS_START tslib,_Scheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\n var _this = _super.call(this, SchedulerAction, function () {\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== _this) {\n return AsyncScheduler.delegate.now();\n }\n else {\n return now();\n }\n }) || this;\n _this.actions = [];\n _this.active = false;\n _this.scheduled = undefined;\n return _this;\n }\n AsyncScheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) {\n delay = 0;\n }\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {\n return AsyncScheduler.delegate.schedule(work, delay, state);\n }\n else {\n return _super.prototype.schedule.call(this, work, delay, state);\n }\n };\n AsyncScheduler.prototype.flush = function (action) {\n var actions = this.actions;\n if (this.active) {\n actions.push(action);\n return;\n }\n var error;\n this.active = true;\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (action = actions.shift());\n this.active = false;\n if (error) {\n while (action = actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AsyncScheduler;\n}(Scheduler));\nexport { AsyncScheduler };\n//# sourceMappingURL=AsyncScheduler.js.map\n","/** PURE_IMPORTS_START _AsyncAction,_AsyncScheduler PURE_IMPORTS_END */\nimport { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var async = /*@__PURE__*/ new AsyncScheduler(AsyncAction);\n//# sourceMappingURL=async.js.map\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nexport function throwError(error, scheduler) {\n if (!scheduler) {\n return new Observable(function (subscriber) { return subscriber.error(error); });\n }\n else {\n return new Observable(function (subscriber) { return scheduler.schedule(dispatch, 0, { error: error, subscriber: subscriber }); });\n }\n}\nfunction dispatch(_a) {\n var error = _a.error, subscriber = _a.subscriber;\n subscriber.error(error);\n}\n//# sourceMappingURL=throwError.js.map\n","/** PURE_IMPORTS_START tslib,_scheduler_async,_util_isDate,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { async } from '../scheduler/async';\nimport { isDate } from '../util/isDate';\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function delay(delay, scheduler) {\n if (scheduler === void 0) {\n scheduler = async;\n }\n var absoluteDelay = isDate(delay);\n var delayFor = absoluteDelay ? (+delay - scheduler.now()) : Math.abs(delay);\n return function (source) { return source.lift(new DelayOperator(delayFor, scheduler)); };\n}\nvar DelayOperator = /*@__PURE__*/ (function () {\n function DelayOperator(delay, scheduler) {\n this.delay = delay;\n this.scheduler = scheduler;\n }\n DelayOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DelaySubscriber(subscriber, this.delay, this.scheduler));\n };\n return DelayOperator;\n}());\nvar DelaySubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(DelaySubscriber, _super);\n function DelaySubscriber(destination, delay, scheduler) {\n var _this = _super.call(this, destination) || this;\n _this.delay = delay;\n _this.scheduler = scheduler;\n _this.queue = [];\n _this.active = false;\n _this.errored = false;\n return _this;\n }\n DelaySubscriber.dispatch = function (state) {\n var source = state.source;\n var queue = source.queue;\n var scheduler = state.scheduler;\n var destination = state.destination;\n while (queue.length > 0 && (queue[0].time - scheduler.now()) <= 0) {\n queue.shift().notification.observe(destination);\n }\n if (queue.length > 0) {\n var delay_1 = Math.max(0, queue[0].time - scheduler.now());\n this.schedule(state, delay_1);\n }\n else {\n this.unsubscribe();\n source.active = false;\n }\n };\n DelaySubscriber.prototype._schedule = function (scheduler) {\n this.active = true;\n var destination = this.destination;\n destination.add(scheduler.schedule(DelaySubscriber.dispatch, this.delay, {\n source: this, destination: this.destination, scheduler: scheduler\n }));\n };\n DelaySubscriber.prototype.scheduleNotification = function (notification) {\n if (this.errored === true) {\n return;\n }\n var scheduler = this.scheduler;\n var message = new DelayMessage(scheduler.now() + this.delay, notification);\n this.queue.push(message);\n if (this.active === false) {\n this._schedule(scheduler);\n }\n };\n DelaySubscriber.prototype._next = function (value) {\n this.scheduleNotification(Notification.createNext(value));\n };\n DelaySubscriber.prototype._error = function (err) {\n this.errored = true;\n this.queue = [];\n this.destination.error(err);\n this.unsubscribe();\n };\n DelaySubscriber.prototype._complete = function () {\n this.scheduleNotification(Notification.createComplete());\n this.unsubscribe();\n };\n return DelaySubscriber;\n}(Subscriber));\nvar DelayMessage = /*@__PURE__*/ (function () {\n function DelayMessage(time, notification) {\n this.time = time;\n this.notification = notification;\n }\n return DelayMessage;\n}());\n//# sourceMappingURL=delay.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isDate(value) {\n return value instanceof Date && !isNaN(+value);\n}\n//# sourceMappingURL=isDate.js.map\n","/** PURE_IMPORTS_START _switchMap PURE_IMPORTS_END */\nimport { switchMap } from './switchMap';\nexport function switchMapTo(innerObservable, resultSelector) {\n return resultSelector ? switchMap(function () { return innerObservable; }, resultSelector) : switchMap(function () { return innerObservable; });\n}\n//# sourceMappingURL=switchMapTo.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function scan(accumulator, seed) {\n var hasSeed = false;\n if (arguments.length >= 2) {\n hasSeed = true;\n }\n return function scanOperatorFunction(source) {\n return source.lift(new ScanOperator(accumulator, seed, hasSeed));\n };\n}\nvar ScanOperator = /*@__PURE__*/ (function () {\n function ScanOperator(accumulator, seed, hasSeed) {\n if (hasSeed === void 0) {\n hasSeed = false;\n }\n this.accumulator = accumulator;\n this.seed = seed;\n this.hasSeed = hasSeed;\n }\n ScanOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ScanSubscriber(subscriber, this.accumulator, this.seed, this.hasSeed));\n };\n return ScanOperator;\n}());\nvar ScanSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ScanSubscriber, _super);\n function ScanSubscriber(destination, accumulator, _seed, hasSeed) {\n var _this = _super.call(this, destination) || this;\n _this.accumulator = accumulator;\n _this._seed = _seed;\n _this.hasSeed = hasSeed;\n _this.index = 0;\n return _this;\n }\n Object.defineProperty(ScanSubscriber.prototype, \"seed\", {\n get: function () {\n return this._seed;\n },\n set: function (value) {\n this.hasSeed = true;\n this._seed = value;\n },\n enumerable: true,\n configurable: true\n });\n ScanSubscriber.prototype._next = function (value) {\n if (!this.hasSeed) {\n this.seed = value;\n this.destination.next(value);\n }\n else {\n return this._tryNext(value);\n }\n };\n ScanSubscriber.prototype._tryNext = function (value) {\n var index = this.index++;\n var result;\n try {\n result = this.accumulator(this.seed, value, index);\n }\n catch (err) {\n this.destination.error(err);\n }\n this.seed = result;\n this.destination.next(result);\n };\n return ScanSubscriber;\n}(Subscriber));\n//# sourceMappingURL=scan.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(QueueAction, _super);\n function QueueAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n QueueAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (delay > 0) {\n return _super.prototype.schedule.call(this, state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n };\n QueueAction.prototype.execute = function (state, delay) {\n return (delay > 0 || this.closed) ?\n _super.prototype.execute.call(this, state, delay) :\n this._execute(state, delay);\n };\n QueueAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n return scheduler.flush(this);\n };\n return QueueAction;\n}(AsyncAction));\nexport { QueueAction };\n//# sourceMappingURL=QueueAction.js.map\n","/** PURE_IMPORTS_START _QueueAction,_QueueScheduler PURE_IMPORTS_END */\nimport { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queue = /*@__PURE__*/ new QueueScheduler(QueueAction);\n//# sourceMappingURL=queue.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(QueueScheduler, _super);\n function QueueScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n return QueueScheduler;\n}(AsyncScheduler));\nexport { QueueScheduler };\n//# sourceMappingURL=QueueScheduler.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return function observeOnOperatorFunction(source) {\n return source.lift(new ObserveOnOperator(scheduler, delay));\n };\n}\nvar ObserveOnOperator = /*@__PURE__*/ (function () {\n function ObserveOnOperator(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n this.scheduler = scheduler;\n this.delay = delay;\n }\n ObserveOnOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ObserveOnSubscriber(subscriber, this.scheduler, this.delay));\n };\n return ObserveOnOperator;\n}());\nexport { ObserveOnOperator };\nvar ObserveOnSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ObserveOnSubscriber, _super);\n function ObserveOnSubscriber(destination, scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n var _this = _super.call(this, destination) || this;\n _this.scheduler = scheduler;\n _this.delay = delay;\n return _this;\n }\n ObserveOnSubscriber.dispatch = function (arg) {\n var notification = arg.notification, destination = arg.destination;\n notification.observe(destination);\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype.scheduleMessage = function (notification) {\n var destination = this.destination;\n destination.add(this.scheduler.schedule(ObserveOnSubscriber.dispatch, this.delay, new ObserveOnMessage(notification, this.destination)));\n };\n ObserveOnSubscriber.prototype._next = function (value) {\n this.scheduleMessage(Notification.createNext(value));\n };\n ObserveOnSubscriber.prototype._error = function (err) {\n this.scheduleMessage(Notification.createError(err));\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype._complete = function () {\n this.scheduleMessage(Notification.createComplete());\n this.unsubscribe();\n };\n return ObserveOnSubscriber;\n}(Subscriber));\nexport { ObserveOnSubscriber };\nvar ObserveOnMessage = /*@__PURE__*/ (function () {\n function ObserveOnMessage(notification, destination) {\n this.notification = notification;\n this.destination = destination;\n }\n return ObserveOnMessage;\n}());\nexport { ObserveOnMessage };\n//# sourceMappingURL=observeOn.js.map\n","/** PURE_IMPORTS_START tslib,_Subject,_scheduler_queue,_Subscription,_operators_observeOn,_util_ObjectUnsubscribedError,_SubjectSubscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subject } from './Subject';\nimport { queue } from './scheduler/queue';\nimport { Subscription } from './Subscription';\nimport { ObserveOnSubscriber } from './operators/observeOn';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nvar ReplaySubject = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ReplaySubject, _super);\n function ReplaySubject(bufferSize, windowTime, scheduler) {\n if (bufferSize === void 0) {\n bufferSize = Number.POSITIVE_INFINITY;\n }\n if (windowTime === void 0) {\n windowTime = Number.POSITIVE_INFINITY;\n }\n var _this = _super.call(this) || this;\n _this.scheduler = scheduler;\n _this._events = [];\n _this._infiniteTimeWindow = false;\n _this._bufferSize = bufferSize < 1 ? 1 : bufferSize;\n _this._windowTime = windowTime < 1 ? 1 : windowTime;\n if (windowTime === Number.POSITIVE_INFINITY) {\n _this._infiniteTimeWindow = true;\n _this.next = _this.nextInfiniteTimeWindow;\n }\n else {\n _this.next = _this.nextTimeWindow;\n }\n return _this;\n }\n ReplaySubject.prototype.nextInfiniteTimeWindow = function (value) {\n var _events = this._events;\n _events.push(value);\n if (_events.length > this._bufferSize) {\n _events.shift();\n }\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype.nextTimeWindow = function (value) {\n this._events.push(new ReplayEvent(this._getNow(), value));\n this._trimBufferThenGetEvents();\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype._subscribe = function (subscriber) {\n var _infiniteTimeWindow = this._infiniteTimeWindow;\n var _events = _infiniteTimeWindow ? this._events : this._trimBufferThenGetEvents();\n var scheduler = this.scheduler;\n var len = _events.length;\n var subscription;\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.isStopped || this.hasError) {\n subscription = Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n subscription = new SubjectSubscription(this, subscriber);\n }\n if (scheduler) {\n subscriber.add(subscriber = new ObserveOnSubscriber(subscriber, scheduler));\n }\n if (_infiniteTimeWindow) {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i]);\n }\n }\n else {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i].value);\n }\n }\n if (this.hasError) {\n subscriber.error(this.thrownError);\n }\n else if (this.isStopped) {\n subscriber.complete();\n }\n return subscription;\n };\n ReplaySubject.prototype._getNow = function () {\n return (this.scheduler || queue).now();\n };\n ReplaySubject.prototype._trimBufferThenGetEvents = function () {\n var now = this._getNow();\n var _bufferSize = this._bufferSize;\n var _windowTime = this._windowTime;\n var _events = this._events;\n var eventsCount = _events.length;\n var spliceCount = 0;\n while (spliceCount < eventsCount) {\n if ((now - _events[spliceCount].time) < _windowTime) {\n break;\n }\n spliceCount++;\n }\n if (eventsCount > _bufferSize) {\n spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);\n }\n if (spliceCount > 0) {\n _events.splice(0, spliceCount);\n }\n return _events;\n };\n return ReplaySubject;\n}(Subject));\nexport { ReplaySubject };\nvar ReplayEvent = /*@__PURE__*/ (function () {\n function ReplayEvent(time, value) {\n this.time = time;\n this.value = value;\n }\n return ReplayEvent;\n}());\n//# sourceMappingURL=ReplaySubject.js.map\n","/** PURE_IMPORTS_START _ReplaySubject PURE_IMPORTS_END */\nimport { ReplaySubject } from '../ReplaySubject';\nexport function shareReplay(configOrBufferSize, windowTime, scheduler) {\n var config;\n if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n config = configOrBufferSize;\n }\n else {\n config = {\n bufferSize: configOrBufferSize,\n windowTime: windowTime,\n refCount: false,\n scheduler: scheduler\n };\n }\n return function (source) { return source.lift(shareReplayOperator(config)); };\n}\nfunction shareReplayOperator(_a) {\n var _b = _a.bufferSize, bufferSize = _b === void 0 ? Number.POSITIVE_INFINITY : _b, _c = _a.windowTime, windowTime = _c === void 0 ? Number.POSITIVE_INFINITY : _c, useRefCount = _a.refCount, scheduler = _a.scheduler;\n var subject;\n var refCount = 0;\n var subscription;\n var hasError = false;\n var isComplete = false;\n return function shareReplayOperation(source) {\n refCount++;\n if (!subject || hasError) {\n hasError = false;\n subject = new ReplaySubject(bufferSize, windowTime, scheduler);\n subscription = source.subscribe({\n next: function (value) { subject.next(value); },\n error: function (err) {\n hasError = true;\n subject.error(err);\n },\n complete: function () {\n isComplete = true;\n subject.complete();\n },\n });\n }\n var innerSub = subject.subscribe(this);\n this.add(function () {\n refCount--;\n innerSub.unsubscribe();\n if (subscription && !isComplete && useRefCount && refCount === 0) {\n subscription.unsubscribe();\n subscription = undefined;\n subject = undefined;\n }\n });\n };\n}\n//# sourceMappingURL=shareReplay.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function mapTo(value) {\n return function (source) { return source.lift(new MapToOperator(value)); };\n}\nvar MapToOperator = /*@__PURE__*/ (function () {\n function MapToOperator(value) {\n this.value = value;\n }\n MapToOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapToSubscriber(subscriber, this.value));\n };\n return MapToOperator;\n}());\nvar MapToSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MapToSubscriber, _super);\n function MapToSubscriber(destination, value) {\n var _this = _super.call(this, destination) || this;\n _this.value = value;\n return _this;\n }\n MapToSubscriber.prototype._next = function (x) {\n this.destination.next(this.value);\n };\n return MapToSubscriber;\n}(Subscriber));\n//# sourceMappingURL=mapTo.js.map\n","/** PURE_IMPORTS_START _of,_operators_concatAll PURE_IMPORTS_END */\nimport { of } from './of';\nimport { concatAll } from '../operators/concatAll';\nexport function concat() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n return concatAll()(of.apply(void 0, observables));\n}\n//# sourceMappingURL=concat.js.map\n","/** PURE_IMPORTS_START _mergeAll PURE_IMPORTS_END */\nimport { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n//# sourceMappingURL=concatAll.js.map\n","/** PURE_IMPORTS_START _observable_concat,_util_isScheduler PURE_IMPORTS_END */\nimport { concat } from '../observable/concat';\nimport { isScheduler } from '../util/isScheduler';\nexport function startWith() {\n var array = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n array[_i] = arguments[_i];\n }\n var scheduler = array[array.length - 1];\n if (isScheduler(scheduler)) {\n array.pop();\n return function (source) { return concat(array, source, scheduler); };\n }\n else {\n return function (source) { return concat(array, source); };\n }\n}\n//# sourceMappingURL=startWith.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function distinctUntilChanged(compare, keySelector) {\n return function (source) { return source.lift(new DistinctUntilChangedOperator(compare, keySelector)); };\n}\nvar DistinctUntilChangedOperator = /*@__PURE__*/ (function () {\n function DistinctUntilChangedOperator(compare, keySelector) {\n this.compare = compare;\n this.keySelector = keySelector;\n }\n DistinctUntilChangedOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DistinctUntilChangedSubscriber(subscriber, this.compare, this.keySelector));\n };\n return DistinctUntilChangedOperator;\n}());\nvar DistinctUntilChangedSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(DistinctUntilChangedSubscriber, _super);\n function DistinctUntilChangedSubscriber(destination, compare, keySelector) {\n var _this = _super.call(this, destination) || this;\n _this.keySelector = keySelector;\n _this.hasKey = false;\n if (typeof compare === 'function') {\n _this.compare = compare;\n }\n return _this;\n }\n DistinctUntilChangedSubscriber.prototype.compare = function (x, y) {\n return x === y;\n };\n DistinctUntilChangedSubscriber.prototype._next = function (value) {\n var key;\n try {\n var keySelector = this.keySelector;\n key = keySelector ? keySelector(value) : value;\n }\n catch (err) {\n return this.destination.error(err);\n }\n var result = false;\n if (this.hasKey) {\n try {\n var compare = this.compare;\n result = compare(this.key, key);\n }\n catch (err) {\n return this.destination.error(err);\n }\n }\n else {\n this.hasKey = true;\n }\n if (!result) {\n this.key = key;\n this.destination.next(value);\n }\n };\n return DistinctUntilChangedSubscriber;\n}(Subscriber));\n//# sourceMappingURL=distinctUntilChanged.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function skip(count) {\n return function (source) { return source.lift(new SkipOperator(count)); };\n}\nvar SkipOperator = /*@__PURE__*/ (function () {\n function SkipOperator(total) {\n this.total = total;\n }\n SkipOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SkipSubscriber(subscriber, this.total));\n };\n return SkipOperator;\n}());\nvar SkipSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SkipSubscriber, _super);\n function SkipSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n SkipSubscriber.prototype._next = function (x) {\n if (++this.count > this.total) {\n this.destination.next(x);\n }\n };\n return SkipSubscriber;\n}(Subscriber));\n//# sourceMappingURL=skip.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n distinctUntilChanged,\n map,\n mapTo,\n pluck,\n shareReplay,\n skip,\n startWith,\n switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Switch options\n */\ninterface SwitchOptions {\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Observable for document load events\n */\nconst load$ = fromEvent(document, \"DOMContentLoaded\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * @return Document observable\n */\nexport function watchDocument(): Observable {\n return load$\n .pipe(\n mapTo(document),\n shareReplay(1)\n )\n}\n\n/**\n * Watch document switch\n *\n * This function returns an observables that fetches a document if the provided\n * location observable emits a new value (i.e. URL). If the emitted URL points\n * to the same page, the request is effectively ignored (e.g. when only the\n * fragment identifier changes)\n *\n * @param options - Options\n *\n * @return Document switch observable\n */\nexport function watchDocumentSwitch(\n { location$ }: SwitchOptions\n): Observable {\n return location$\n .pipe(\n startWith(location.href),\n map(url => url.replace(/#[^#]+$/, \"\")),\n distinctUntilChanged(),\n skip(1),\n\n /* Fetch document */\n switchMap(url => ajax({\n url,\n responseType: \"document\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\")\n )\n ),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Element\n */\nexport function getElement(\n selector: string, node: ParentNode = document\n): T | undefined {\n return node.querySelector(selector) || undefined\n}\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Elements\n */\nexport function getElements(\n selector: string, node: ParentNode = document\n): T[] {\n return Array.from(node.querySelectorAll(selector))\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\n\nimport { Agent } from \"../../_\"\nimport { ViewportSize } from \"../../viewport\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n size$: Observable /* Viewport size observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - HTML element\n *\n * @return Element offset\n */\nexport function getElementOffset(el: HTMLElement): ElementOffset {\n return {\n x: el.scrollLeft,\n y: el.scrollTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n * @param agent - Agent\n *\n * @return Element offset observable\n */\nexport function watchElementOffset(\n el: HTMLElement, { viewport }: Agent\n): Observable {\n const scroll$ = fromEvent(el, \"scroll\")\n return merge(scroll$, viewport.size$)\n .pipe(\n map(() => getElementOffset(el)),\n startWith(getElementOffset(el)),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function refCount() {\n return function refCountOperatorFunction(source) {\n return source.lift(new RefCountOperator(source));\n };\n}\nvar RefCountOperator = /*@__PURE__*/ (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=refCount.js.map\n","/** PURE_IMPORTS_START tslib,_Subject,_Observable,_Subscriber,_Subscription,_operators_refCount PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { SubjectSubscriber } from '../Subject';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { refCount as higherOrderRefCount } from '../operators/refCount';\nvar ConnectableObservable = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ConnectableObservable, _super);\n function ConnectableObservable(source, subjectFactory) {\n var _this = _super.call(this) || this;\n _this.source = source;\n _this.subjectFactory = subjectFactory;\n _this._refCount = 0;\n _this._isComplete = false;\n return _this;\n }\n ConnectableObservable.prototype._subscribe = function (subscriber) {\n return this.getSubject().subscribe(subscriber);\n };\n ConnectableObservable.prototype.getSubject = function () {\n var subject = this._subject;\n if (!subject || subject.isStopped) {\n this._subject = this.subjectFactory();\n }\n return this._subject;\n };\n ConnectableObservable.prototype.connect = function () {\n var connection = this._connection;\n if (!connection) {\n this._isComplete = false;\n connection = this._connection = new Subscription();\n connection.add(this.source\n .subscribe(new ConnectableSubscriber(this.getSubject(), this)));\n if (connection.closed) {\n this._connection = null;\n connection = Subscription.EMPTY;\n }\n }\n return connection;\n };\n ConnectableObservable.prototype.refCount = function () {\n return higherOrderRefCount()(this);\n };\n return ConnectableObservable;\n}(Observable));\nexport { ConnectableObservable };\nexport var connectableObservableDescriptor = /*@__PURE__*/ (function () {\n var connectableProto = ConnectableObservable.prototype;\n return {\n operator: { value: null },\n _refCount: { value: 0, writable: true },\n _subject: { value: null, writable: true },\n _connection: { value: null, writable: true },\n _subscribe: { value: connectableProto._subscribe },\n _isComplete: { value: connectableProto._isComplete, writable: true },\n getSubject: { value: connectableProto.getSubject },\n connect: { value: connectableProto.connect },\n refCount: { value: connectableProto.refCount }\n };\n})();\nvar ConnectableSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ConnectableSubscriber, _super);\n function ConnectableSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n ConnectableSubscriber.prototype._error = function (err) {\n this._unsubscribe();\n _super.prototype._error.call(this, err);\n };\n ConnectableSubscriber.prototype._complete = function () {\n this.connectable._isComplete = true;\n this._unsubscribe();\n _super.prototype._complete.call(this);\n };\n ConnectableSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (connectable) {\n this.connectable = null;\n var connection = connectable._connection;\n connectable._refCount = 0;\n connectable._subject = null;\n connectable._connection = null;\n if (connection) {\n connection.unsubscribe();\n }\n }\n };\n return ConnectableSubscriber;\n}(SubjectSubscriber));\nvar RefCountOperator = /*@__PURE__*/ (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=ConnectableObservable.js.map\n","/** PURE_IMPORTS_START _observable_ConnectableObservable PURE_IMPORTS_END */\nimport { connectableObservableDescriptor } from '../observable/ConnectableObservable';\nexport function multicast(subjectOrSubjectFactory, selector) {\n return function multicastOperatorFunction(source) {\n var subjectFactory;\n if (typeof subjectOrSubjectFactory === 'function') {\n subjectFactory = subjectOrSubjectFactory;\n }\n else {\n subjectFactory = function subjectFactory() {\n return subjectOrSubjectFactory;\n };\n }\n if (typeof selector === 'function') {\n return source.lift(new MulticastOperator(subjectFactory, selector));\n }\n var connectable = Object.create(source, connectableObservableDescriptor);\n connectable.source = source;\n connectable.subjectFactory = subjectFactory;\n return connectable;\n };\n}\nvar MulticastOperator = /*@__PURE__*/ (function () {\n function MulticastOperator(subjectFactory, selector) {\n this.subjectFactory = subjectFactory;\n this.selector = selector;\n }\n MulticastOperator.prototype.call = function (subscriber, source) {\n var selector = this.selector;\n var subject = this.subjectFactory();\n var subscription = selector(subject).subscribe(subscriber);\n subscription.add(source.subscribe(subject));\n return subscription;\n };\n return MulticastOperator;\n}());\nexport { MulticastOperator };\n//# sourceMappingURL=multicast.js.map\n","/** PURE_IMPORTS_START _multicast,_refCount,_Subject PURE_IMPORTS_END */\nimport { multicast } from './multicast';\nimport { refCount } from './refCount';\nimport { Subject } from '../Subject';\nfunction shareSubjectFactory() {\n return new Subject();\n}\nexport function share() {\n return function (source) { return refCount()(multicast(shareSubjectFactory)(source)); };\n}\n//# sourceMappingURL=share.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, fromEvent } from \"rxjs\"\nimport { filter, map, share } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Observable for window hash change events\n */\nconst hashchange$ = fromEvent(window, \"hashchange\")\n\n/**\n * Observable for window pop state events\n */\nconst popstate$ = fromEvent(window, \"popstate\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @return Location subject\n */\nexport function watchLocation(): Subject {\n const location$ = new Subject()\n popstate$\n .pipe(\n map(() => location.href),\n share()\n )\n .subscribe(location$)\n\n /* Return subject */\n return location$\n}\n\n/**\n * Watch location hash\n *\n * @return Location hash observable\n */\nexport function watchLocationHash(): Observable {\n return hashchange$\n .pipe(\n map(() => location.hash),\n filter(hash => hash.length > 0),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEventPattern } from \"rxjs\"\nimport { shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * @param query - Media query\n *\n * @return Media observable\n */\nexport function watchMedia(query: string): Observable {\n const media = matchMedia(query)\n return fromEventPattern(next =>\n media.addListener(() => next(media.matches))\n )\n .pipe(\n startWith(media.matches),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nexport function fromEventPattern(addHandler, removeHandler, resultSelector) {\n if (resultSelector) {\n return fromEventPattern(addHandler, removeHandler).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n var handler = function () {\n var e = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n e[_i] = arguments[_i];\n }\n return subscriber.next(e.length === 1 ? e[0] : e);\n };\n var retValue;\n try {\n retValue = addHandler(handler);\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n if (!isFunction(removeHandler)) {\n return undefined;\n }\n return function () { return removeHandler(handler, retValue); };\n });\n}\n//# sourceMappingURL=fromEventPattern.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Observable for window scroll events\n */\nconst scroll$ = fromEvent(window, \"scroll\")\n\n/**\n * Observable for window resize events\n */\nconst resize$ = fromEvent(window, \"resize\")\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n width: number /* Viewport width */\n height: number /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * @return Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n return {\n x: pageXOffset,\n y: pageYOffset\n }\n}\n\n/**\n * Retrieve viewport size\n *\n * @return Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n return {\n width: innerWidth,\n height: innerHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffset(): Observable {\n return merge(scroll$, resize$)\n .pipe(\n map(getViewportOffset),\n startWith(getViewportOffset()),\n shareReplay(1)\n )\n}\n\n/**\n * Watch viewport size\n *\n * @return Viewport size observable\n */\nexport function watchViewportSize(): Observable {\n return resize$\n .pipe(\n map(getViewportSize),\n startWith(getViewportSize()),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport var defaultThrottleConfig = {\n leading: true,\n trailing: false\n};\nexport function throttle(durationSelector, config) {\n if (config === void 0) {\n config = defaultThrottleConfig;\n }\n return function (source) { return source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing)); };\n}\nvar ThrottleOperator = /*@__PURE__*/ (function () {\n function ThrottleOperator(durationSelector, leading, trailing) {\n this.durationSelector = durationSelector;\n this.leading = leading;\n this.trailing = trailing;\n }\n ThrottleOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ThrottleSubscriber(subscriber, this.durationSelector, this.leading, this.trailing));\n };\n return ThrottleOperator;\n}());\nvar ThrottleSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ThrottleSubscriber, _super);\n function ThrottleSubscriber(destination, durationSelector, _leading, _trailing) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n _this.durationSelector = durationSelector;\n _this._leading = _leading;\n _this._trailing = _trailing;\n _this._hasValue = false;\n return _this;\n }\n ThrottleSubscriber.prototype._next = function (value) {\n this._hasValue = true;\n this._sendValue = value;\n if (!this._throttled) {\n if (this._leading) {\n this.send();\n }\n else {\n this.throttle(value);\n }\n }\n };\n ThrottleSubscriber.prototype.send = function () {\n var _a = this, _hasValue = _a._hasValue, _sendValue = _a._sendValue;\n if (_hasValue) {\n this.destination.next(_sendValue);\n this.throttle(_sendValue);\n }\n this._hasValue = false;\n this._sendValue = null;\n };\n ThrottleSubscriber.prototype.throttle = function (value) {\n var duration = this.tryDurationSelector(value);\n if (!!duration) {\n this.add(this._throttled = subscribeToResult(this, duration));\n }\n };\n ThrottleSubscriber.prototype.tryDurationSelector = function (value) {\n try {\n return this.durationSelector(value);\n }\n catch (err) {\n this.destination.error(err);\n return null;\n }\n };\n ThrottleSubscriber.prototype.throttlingDone = function () {\n var _a = this, _throttled = _a._throttled, _trailing = _a._trailing;\n if (_throttled) {\n _throttled.unsubscribe();\n }\n this._throttled = null;\n if (_trailing) {\n this.send();\n }\n };\n ThrottleSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.throttlingDone();\n };\n ThrottleSubscriber.prototype.notifyComplete = function () {\n this.throttlingDone();\n };\n return ThrottleSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=throttle.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { pluck, share, switchMapTo, tap, throttle } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n type: unknown /* Message type */\n data: unknown /* Message data */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n *\n * @template T - Worker message type\n */\ninterface Options {\n send$: Observable /* Message observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that will send all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n *\n * @return Worker message observable\n */\nexport function watchWorker(\n worker: Worker, { send$ }: Options\n): Observable {\n\n /* Intercept messages from web worker */\n const recv$ = fromEvent(worker, \"message\")\n .pipe(\n pluck(\"data\"),\n share()\n )\n\n /* Send and receive messages, return hot observable */\n return send$\n .pipe(\n throttle(() => recv$, { leading: true, trailing: true }),\n tap(message => worker.postMessage(message)),\n switchMapTo(recv$),\n share()\n )\n}\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar AnimationFrameAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AnimationFrameAction, _super);\n function AnimationFrameAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n AnimationFrameAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (delay !== null && delay > 0) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.actions.push(this);\n return scheduler.scheduled || (scheduler.scheduled = requestAnimationFrame(function () { return scheduler.flush(null); }));\n };\n AnimationFrameAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);\n }\n if (scheduler.actions.length === 0) {\n cancelAnimationFrame(id);\n scheduler.scheduled = undefined;\n }\n return undefined;\n };\n return AnimationFrameAction;\n}(AsyncAction));\nexport { AnimationFrameAction };\n//# sourceMappingURL=AnimationFrameAction.js.map\n","/** PURE_IMPORTS_START _AnimationFrameAction,_AnimationFrameScheduler PURE_IMPORTS_END */\nimport { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrame = /*@__PURE__*/ new AnimationFrameScheduler(AnimationFrameAction);\n//# sourceMappingURL=animationFrame.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AnimationFrameScheduler, _super);\n function AnimationFrameScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n AnimationFrameScheduler.prototype.flush = function (action) {\n this.active = true;\n this.scheduled = undefined;\n var actions = this.actions;\n var error;\n var index = -1;\n var count = actions.length;\n action = action || actions.shift();\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (++index < count && (action = actions.shift()));\n this.active = false;\n if (error) {\n while (++index < count && (action = actions.shift())) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AnimationFrameScheduler;\n}(AsyncScheduler));\nexport { AnimationFrameScheduler };\n//# sourceMappingURL=AnimationFrameScheduler.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nexport function finalize(callback) {\n return function (source) { return source.lift(new FinallyOperator(callback)); };\n}\nvar FinallyOperator = /*@__PURE__*/ (function () {\n function FinallyOperator(callback) {\n this.callback = callback;\n }\n FinallyOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FinallySubscriber(subscriber, this.callback));\n };\n return FinallyOperator;\n}());\nvar FinallySubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(FinallySubscriber, _super);\n function FinallySubscriber(destination, callback) {\n var _this = _super.call(this, destination) || this;\n _this.add(new Subscription(callback));\n return _this;\n }\n return FinallySubscriber;\n}(Subscriber));\n//# sourceMappingURL=finalize.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement } from \"../agent\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Translations\n */\nlet lang: Record\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @return Truncated value\n */\nexport function truncate(value: string, n: number): string {\n let i = n\n if (value.length > i) {\n while (value[i] !== \" \" && --i > 0); // tslint:disable-line\n return `${value.substring(0, i)}...`\n }\n return value\n}\n\n/**\n * Translate the given key\n *\n * @param key - Key to be translated\n * @param value - Value to be replaced\n *\n * @return Translation\n */\nexport function translate(key: string, value?: string): string {\n if (typeof lang === \"undefined\") {\n const el = getElement(\"#__lang\")!\n lang = JSON.parse(el.innerText)\n }\n if (typeof lang[key] === \"undefined\") {\n throw new ReferenceError(`Invalid translation: ${key}`)\n }\n return typeof value !== \"undefined\"\n ? lang[key].replace(\"#\", value)\n : lang[key]\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set anchor blur\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is blurred\n */\nexport function setAnchorBlur(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"blur\" : \"\")\n}\n\n/**\n * Reset anchor blur\n *\n * @param el - Anchor element\n */\nexport function resetAnchorBlur(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set anchor active\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is active\n */\nexport function setAnchorActive(\n el: HTMLElement, value: boolean\n): void {\n el.classList.toggle(\"md-nav__link--active\", value)\n}\n\n/**\n * Reset anchor active\n *\n * @param el - Anchor element\n */\nexport function resetAnchorActive(\n el: HTMLElement\n): void {\n el.classList.remove(\"md-nav__link--active\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set number of search results\n *\n * @param el - Search result metadata element\n * @param value - Number of results\n */\nexport function setSearchResultMeta(\n el: HTMLElement, value: number\n): void {\n el.textContent = value > 1\n ? translate(\"search.result.other\", value.toString())\n : value === 1\n ? translate(\"search.result.one\")\n : translate(\"search.result.none\")\n}\n\n/**\n * Reset number of search results\n *\n * @param el - Search result metadata element\n */\nexport function resetSearchResultMeta(\n el: HTMLElement\n): void {\n el.textContent = translate(\"search.result.placeholder\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Add an element to the search result list\n *\n * @param el - Search result list element\n * @param child - Search result element\n */\nexport function addToSearchResultList(\n el: HTMLElement, child: HTMLElement\n): void {\n el.appendChild(child)\n}\n\n/**\n * Reset search result list\n *\n * @param el - Search result list element\n */\nexport function resetSearchResultList(\n el: HTMLElement\n): void {\n el.innerHTML = \"\"\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { OperatorFunction, animationFrameScheduler, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { resetHidden, setHidden } from \"actions\"\n\nimport { ViewportOffset } from \"../agent\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint hideable from source observable\n *\n * @param el - Hideable element\n * @param offset - Additional offset\n *\n * @return Operator function\n */\nexport function paintHidden(\n el: HTMLElement, offset: number = 0\n): OperatorFunction {\n return pipe(\n map(({ y }) => y >= offset),\n distinctUntilChanged(),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(value => {\n setHidden(el, value)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHidden(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set hidden\n *\n * @param el - Hideable element\n * @param value - Whether the element is hidden\n */\nexport function setHidden(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\n}\n\n/**\n * Reset hidden\n *\n * @param el - Hideable element\n */\nexport function resetHidden(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, defer, of } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header state\n */\nexport interface HeaderState {\n sticky: boolean /* Header stickyness */\n height: number /* Header visible height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * The header is wrapped in an observable to pave the way for auto-hiding or\n * other dynamic behaviors that may be implemented later on.\n *\n * @param el - Header element\n *\n * @return Header state observable\n */\nexport function watchHeader(\n el: HTMLElement\n): Observable {\n return defer(() => {\n const sticky = getComputedStyle(el)\n .getPropertyValue(\"position\") === \"sticky\"\n\n /* Return header as hot observable */\n return of({\n sticky,\n height: sticky ? el.offsetHeight : 0\n })\n })\n}\n","/** PURE_IMPORTS_START _Observable,_from,_empty PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { from } from './from';\nimport { empty } from './empty';\nexport function defer(observableFactory) {\n return new Observable(function (subscriber) {\n var input;\n try {\n input = observableFactory();\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n var source = input ? from(input) : empty();\n return source.subscribe(subscriber);\n });\n}\n//# sourceMappingURL=defer.js.map\n","/** PURE_IMPORTS_START tslib,_util_isScheduler,_util_isArray,_OuterSubscriber,_util_subscribeToResult,_fromArray PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { isScheduler } from '../util/isScheduler';\nimport { isArray } from '../util/isArray';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { fromArray } from './fromArray';\nvar NONE = {};\nexport function combineLatest() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var resultSelector = null;\n var scheduler = null;\n if (isScheduler(observables[observables.length - 1])) {\n scheduler = observables.pop();\n }\n if (typeof observables[observables.length - 1] === 'function') {\n resultSelector = observables.pop();\n }\n if (observables.length === 1 && isArray(observables[0])) {\n observables = observables[0];\n }\n return fromArray(observables, scheduler).lift(new CombineLatestOperator(resultSelector));\n}\nvar CombineLatestOperator = /*@__PURE__*/ (function () {\n function CombineLatestOperator(resultSelector) {\n this.resultSelector = resultSelector;\n }\n CombineLatestOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector));\n };\n return CombineLatestOperator;\n}());\nexport { CombineLatestOperator };\nvar CombineLatestSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(CombineLatestSubscriber, _super);\n function CombineLatestSubscriber(destination, resultSelector) {\n var _this = _super.call(this, destination) || this;\n _this.resultSelector = resultSelector;\n _this.active = 0;\n _this.values = [];\n _this.observables = [];\n return _this;\n }\n CombineLatestSubscriber.prototype._next = function (observable) {\n this.values.push(NONE);\n this.observables.push(observable);\n };\n CombineLatestSubscriber.prototype._complete = function () {\n var observables = this.observables;\n var len = observables.length;\n if (len === 0) {\n this.destination.complete();\n }\n else {\n this.active = len;\n this.toRespond = len;\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n this.add(subscribeToResult(this, observable, observable, i));\n }\n }\n };\n CombineLatestSubscriber.prototype.notifyComplete = function (unused) {\n if ((this.active -= 1) === 0) {\n this.destination.complete();\n }\n };\n CombineLatestSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n var values = this.values;\n var oldVal = values[outerIndex];\n var toRespond = !this.toRespond\n ? 0\n : oldVal === NONE ? --this.toRespond : this.toRespond;\n values[outerIndex] = innerValue;\n if (toRespond === 0) {\n if (this.resultSelector) {\n this._tryResultSelector(values);\n }\n else {\n this.destination.next(values.slice());\n }\n }\n };\n CombineLatestSubscriber.prototype._tryResultSelector = function (values) {\n var result;\n try {\n result = this.resultSelector.apply(this, values);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return CombineLatestSubscriber;\n}(OuterSubscriber));\nexport { CombineLatestSubscriber };\n//# sourceMappingURL=combineLatest.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n shareReplay,\n switchMapTo\n} from \"rxjs/operators\"\n\nimport { Agent, ViewportOffset } from \"utilities\"\n\nimport { HeaderState } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset relative to an element's top\n *\n * This function returns an observable that computes the relative offset to the\n * top of the given element based on the current viewport offset.\n *\n * @param el - HTML element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffsetFromTopOf(\n el: HTMLElement, { viewport }: Agent, { header$ }: Options\n): Observable {\n\n /* Compute necessary adjustment for offset */\n const adjust$ = viewport.size$\n .pipe(\n switchMapTo(header$),\n map(({ height }) => el.offsetTop - height),\n distinctUntilChanged()\n )\n\n /* Compute relative offset and return as hot observable */\n return combineLatest([viewport.offset$, adjust$])\n .pipe(\n map(([{ x, y }, adjust]) => ({ x, y: y - adjust })),\n shareReplay(1)\n )\n}\n\n/**\n * Watch viewport offset relative to an element's bottom\n *\n * This function returns an observable that computes the relative offset to the\n * bottom of the given element based on the current viewport offset.\n *\n * @param el - HTML element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffsetFromBottomOf(\n el: HTMLElement, { viewport }: Agent, { header$ }: Options\n): Observable {\n\n /* Compute necessary adjustment for offset */\n const adjust$ = viewport.size$\n .pipe(\n switchMapTo(header$),\n map(({ height }) => el.offsetTop + el.offsetHeight - height),\n distinctUntilChanged()\n )\n\n /* Compute relative offset and return as hot observable */\n return combineLatest([viewport.offset$, adjust$])\n .pipe(\n map(([{ x, y }, adjust]) => ({ x, y: y - adjust })),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n finalize,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { resetHeaderShadow, setHeaderShadow } from \"actions\"\n\nimport { MainState } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint header shadow from source observable\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function paintHeaderShadow(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n distinctUntilKeyChanged(\"active\"),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ active }) => {\n setHeaderShadow(el, active)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeaderShadow(el)\n })\n )\n}\n","/** PURE_IMPORTS_START _distinctUntilChanged PURE_IMPORTS_END */\nimport { distinctUntilChanged } from './distinctUntilChanged';\nexport function distinctUntilKeyChanged(key, compare) {\n return distinctUntilChanged(function (x, y) { return compare ? compare(x[key], y[key]) : x[key] === y[key]; });\n}\n//# sourceMappingURL=distinctUntilKeyChanged.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header shadow\n *\n * @param el - Header element\n * @param value - Whether the shadow is shown\n */\nexport function setHeaderShadow(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"shadow\" : \"\")\n}\n\n/**\n * Reset header shadow\n *\n * @param el - Header element\n */\nexport function resetHeaderShadow(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\nimport { keys } from \"ramda\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child = Child[] | HTMLElement | Text | string | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - HTML element\n * @param child - Child node\n */\nfunction appendChild(el: HTMLElement, child: Child): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @return HTML element\n */\nexport function h(\n tag: string, attributes: Attributes | null,\n ...children: Array\n): HTMLElement {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of keys(attributes))\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else if (attributes[attr])\n el.setAttribute(attr, \"\")\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el\n}\n\n/**\n * JSX factory wrapper\n *\n * @param el - JSX element\n *\n * @return HTML element\n */\nexport function toHTMLElement(el: JSXInternal.Element): HTMLElement {\n return el as any // Hack: if you have a better idea, PR!\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n export import JSX = JSXInternal\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function takeUntil(notifier) {\n return function (source) { return source.lift(new TakeUntilOperator(notifier)); };\n}\nvar TakeUntilOperator = /*@__PURE__*/ (function () {\n function TakeUntilOperator(notifier) {\n this.notifier = notifier;\n }\n TakeUntilOperator.prototype.call = function (subscriber, source) {\n var takeUntilSubscriber = new TakeUntilSubscriber(subscriber);\n var notifierSubscription = subscribeToResult(takeUntilSubscriber, this.notifier);\n if (notifierSubscription && !takeUntilSubscriber.seenValue) {\n takeUntilSubscriber.add(notifierSubscription);\n return source.subscribe(takeUntilSubscriber);\n }\n return takeUntilSubscriber;\n };\n return TakeUntilOperator;\n}());\nvar TakeUntilSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(TakeUntilSubscriber, _super);\n function TakeUntilSubscriber(destination) {\n var _this = _super.call(this, destination) || this;\n _this.seenValue = false;\n return _this;\n }\n TakeUntilSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.seenValue = true;\n this.complete();\n };\n TakeUntilSubscriber.prototype.notifyComplete = function () {\n };\n return TakeUntilSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=takeUntil.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n Observable,\n OperatorFunction,\n combineLatest,\n of,\n pipe\n} from \"rxjs\"\nimport {\n filter,\n switchMap,\n takeUntil\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle switch map with another observable\n *\n * @template T - Source value type\n * @template U - Target value type\n *\n * @param toggle$ - Toggle observable\n * @param project - Projection\n *\n * @return Operator function\n */\nexport function switchMapIf(\n toggle$: Observable, project: (value: T) => Observable\n): OperatorFunction {\n const begin$ = toggle$.pipe(filter(value => value))\n const end$ = toggle$.pipe(filter(value => !value))\n return pipe(\n switchMap(value => combineLatest([of(value), begin$])),\n switchMap(([value, active]) => active\n ? project(value)\n .pipe(\n takeUntil(end$)\n )\n : EMPTY\n )\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent, paintHidden } from \"utilities\"\n\nimport { HeaderState, watchViewportOffsetFromTopOf } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Hero state\n */\nexport interface HeroState {\n hidden: boolean /* Whether the hero is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch hero\n *\n * @param el - Hero element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Hero state\n */\nexport function watchHero(\n el: HTMLElement, agent: Agent, { header$ }: Options\n): Observable {\n\n /* Watch and paint visibility */\n const hidden$ = watchViewportOffsetFromTopOf(el, agent, { header$ })\n .pipe(\n paintHidden(el, 20)\n )\n\n /* Combine into a single hot observable */\n return hidden$\n .pipe(\n map(hidden => ({ hidden }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount hero from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHero(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.screen$, el => watchHero(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n pluck,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { Agent } from \"utilities\"\n\nimport { HeaderState } from \"../../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area state\n */\nexport interface MainState {\n offset: number /* Main area top offset */\n height: number /* Main area visible height */\n active: boolean /* Scrolled past top offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport height and vertical offset, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Main area state observable\n */\nexport function watchMain(\n el: HTMLElement, { viewport }: Agent, { header$ }: Options\n): Observable {\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n pluck(\"height\")\n )\n\n /* Compute the main area's visible height */\n const height$ = combineLatest([\n viewport.offset$,\n viewport.size$,\n adjust$\n ])\n .pipe(\n map(([{ y }, { height }, adjust]) => {\n const top = el.offsetTop\n const bottom = el.offsetHeight + top\n return height\n - Math.max(0, top - y, adjust)\n - Math.max(0, height + y - bottom)\n }),\n distinctUntilChanged()\n )\n\n /* Compute whether the viewport offset is past the main area's top */\n const active$ = combineLatest([viewport.offset$, adjust$])\n .pipe(\n map(([{ y }, adjust]) => y >= el.offsetTop - adjust),\n distinctUntilChanged()\n )\n\n /* Combine into a single hot observable */\n return combineLatest([height$, adjust$, active$])\n .pipe(\n map(([height, adjust, active]) => ({\n offset: el.offsetTop - adjust,\n height,\n active\n }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount main area from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountMain(\n agent: Agent, options: Options\n): OperatorFunction {\n return pipe(\n switchMap(el => watchMain(el, agent, options)),\n shareReplay(1)\n )\n}\n","import _curry1 from './_curry1.js';\nimport _isPlaceholder from './_isPlaceholder.js';\n\n/**\n * Optimized internal two-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\nexport default function _curry2(fn) {\n return function f2(a, b) {\n switch (arguments.length) {\n case 0:\n return f2;\n case 1:\n return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n return fn(a, _b);\n });\n default:\n return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {\n return fn(_a, b);\n }) : _isPlaceholder(b) ? _curry1(function (_b) {\n return fn(a, _b);\n }) : fn(a, b);\n }\n };\n}","export default function _arrayFromIterator(iter) {\n var list = [];\n var next;\n while (!(next = iter.next()).done) {\n list.push(next.value);\n }\n return list;\n}","export default function _includesWith(pred, x, list) {\n var idx = 0;\n var len = list.length;\n\n while (idx < len) {\n if (pred(x, list[idx])) {\n return true;\n }\n idx += 1;\n }\n return false;\n}","// Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\nfunction _objectIs(a, b) {\n // SameValue algorithm\n if (a === b) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n return a !== 0 || 1 / a === 1 / b;\n } else {\n // Step 6.a: NaN == NaN\n return a !== a && b !== b;\n }\n}\n\nexport default typeof Object.is === 'function' ? Object.is : _objectIs;","import _curry1 from './internal/_curry1.js';\n\n/**\n * Gives a single-word string description of the (native) type of a value,\n * returning such answers as 'Object', 'Number', 'Array', or 'Null'. Does not\n * attempt to distinguish user Object types any further, reporting them all as\n * 'Object'.\n *\n * @func\n * @memberOf R\n * @since v0.8.0\n * @category Type\n * @sig (* -> {*}) -> String\n * @param {*} val The value to test\n * @return {String}\n * @example\n *\n * R.type({}); //=> \"Object\"\n * R.type(1); //=> \"Number\"\n * R.type(false); //=> \"Boolean\"\n * R.type('s'); //=> \"String\"\n * R.type(null); //=> \"Null\"\n * R.type([]); //=> \"Array\"\n * R.type(/[A-z]/); //=> \"RegExp\"\n * R.type(() => {}); //=> \"Function\"\n * R.type(undefined); //=> \"Undefined\"\n */\nvar type = /*#__PURE__*/_curry1(function type(val) {\n return val === null ? 'Null' : val === undefined ? 'Undefined' : Object.prototype.toString.call(val).slice(8, -1);\n});\nexport default type;","import _arrayFromIterator from './_arrayFromIterator.js';\nimport _includesWith from './_includesWith.js';\nimport _functionName from './_functionName.js';\nimport _has from './_has.js';\nimport _objectIs from './_objectIs.js';\nimport keys from '../keys.js';\nimport type from '../type.js';\n\n/**\n * private _uniqContentEquals function.\n * That function is checking equality of 2 iterator contents with 2 assumptions\n * - iterators lengths are the same\n * - iterators values are unique\n *\n * false-positive result will be returned for comparision of, e.g.\n * - [1,2,3] and [1,2,3,4]\n * - [1,1,1] and [1,2,3]\n * */\n\nfunction _uniqContentEquals(aIterator, bIterator, stackA, stackB) {\n var a = _arrayFromIterator(aIterator);\n var b = _arrayFromIterator(bIterator);\n\n function eq(_a, _b) {\n return _equals(_a, _b, stackA.slice(), stackB.slice());\n }\n\n // if *a* array contains any element that is not included in *b*\n return !_includesWith(function (b, aItem) {\n return !_includesWith(eq, aItem, b);\n }, b, a);\n}\n\nexport default function _equals(a, b, stackA, stackB) {\n if (_objectIs(a, b)) {\n return true;\n }\n\n var typeA = type(a);\n\n if (typeA !== type(b)) {\n return false;\n }\n\n if (a == null || b == null) {\n return false;\n }\n\n if (typeof a['fantasy-land/equals'] === 'function' || typeof b['fantasy-land/equals'] === 'function') {\n return typeof a['fantasy-land/equals'] === 'function' && a['fantasy-land/equals'](b) && typeof b['fantasy-land/equals'] === 'function' && b['fantasy-land/equals'](a);\n }\n\n if (typeof a.equals === 'function' || typeof b.equals === 'function') {\n return typeof a.equals === 'function' && a.equals(b) && typeof b.equals === 'function' && b.equals(a);\n }\n\n switch (typeA) {\n case 'Arguments':\n case 'Array':\n case 'Object':\n if (typeof a.constructor === 'function' && _functionName(a.constructor) === 'Promise') {\n return a === b;\n }\n break;\n case 'Boolean':\n case 'Number':\n case 'String':\n if (!(typeof a === typeof b && _objectIs(a.valueOf(), b.valueOf()))) {\n return false;\n }\n break;\n case 'Date':\n if (!_objectIs(a.valueOf(), b.valueOf())) {\n return false;\n }\n break;\n case 'Error':\n return a.name === b.name && a.message === b.message;\n case 'RegExp':\n if (!(a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline && a.sticky === b.sticky && a.unicode === b.unicode)) {\n return false;\n }\n break;\n }\n\n var idx = stackA.length - 1;\n while (idx >= 0) {\n if (stackA[idx] === a) {\n return stackB[idx] === b;\n }\n idx -= 1;\n }\n\n switch (typeA) {\n case 'Map':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.entries(), b.entries(), stackA.concat([a]), stackB.concat([b]));\n case 'Set':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.values(), b.values(), stackA.concat([a]), stackB.concat([b]));\n case 'Arguments':\n case 'Array':\n case 'Object':\n case 'Boolean':\n case 'Number':\n case 'String':\n case 'Date':\n case 'Error':\n case 'RegExp':\n case 'Int8Array':\n case 'Uint8Array':\n case 'Uint8ClampedArray':\n case 'Int16Array':\n case 'Uint16Array':\n case 'Int32Array':\n case 'Uint32Array':\n case 'Float32Array':\n case 'Float64Array':\n case 'ArrayBuffer':\n break;\n default:\n // Values of other types are only equal if identical.\n return false;\n }\n\n var keysA = keys(a);\n if (keysA.length !== keys(b).length) {\n return false;\n }\n\n var extendedStackA = stackA.concat([a]);\n var extendedStackB = stackB.concat([b]);\n\n idx = keysA.length - 1;\n while (idx >= 0) {\n var key = keysA[idx];\n if (!(_has(key, b) && _equals(b[key], a[key], extendedStackA, extendedStackB))) {\n return false;\n }\n idx -= 1;\n }\n return true;\n}","export default function _functionName(f) {\n // String(x => x) evaluates to \"x => x\", so the pattern may not match.\n var match = String(f).match(/^function (\\w*)/);\n return match == null ? '' : match[1];\n}","import _curry2 from './internal/_curry2.js';\nimport _equals from './internal/_equals.js';\n\n/**\n * Returns `true` if its arguments are equivalent, `false` otherwise. Handles\n * cyclical data structures.\n *\n * Dispatches symmetrically to the `equals` methods of both arguments, if\n * present.\n *\n * @func\n * @memberOf R\n * @since v0.15.0\n * @category Relation\n * @sig a -> b -> Boolean\n * @param {*} a\n * @param {*} b\n * @return {Boolean}\n * @example\n *\n * R.equals(1, 1); //=> true\n * R.equals(1, '1'); //=> false\n * R.equals([1, 2, 3], [1, 2, 3]); //=> true\n *\n * const a = {}; a.v = a;\n * const b = {}; b.v = b;\n * R.equals(a, b); //=> true\n */\nvar equals = /*#__PURE__*/_curry2(function equals(a, b) {\n return _equals(a, b, [], []);\n});\nexport default equals;","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { equals } from \"ramda\"\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n shareReplay,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetSidebarHeight,\n resetSidebarLock,\n setSidebarHeight,\n setSidebarLock\n} from \"actions\"\nimport { Agent } from \"utilities\"\n\nimport { MainState } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar state\n */\nexport interface SidebarState {\n height: number /* Sidebar height */\n lock: boolean /* Sidebar lock */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n main$: Observable /* Main area state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Sidebar state observable\n */\nexport function watchSidebar(\n el: HTMLElement, { viewport }: Agent, { main$ }: Options\n): Observable {\n\n /* Adjust for internal main area offset */\n const adjust = parseFloat(\n getComputedStyle(el.parentElement!)\n .getPropertyValue(\"padding-top\")\n )\n\n /* Compute the sidebar's available height */\n const height$ = combineLatest([viewport.offset$, main$])\n .pipe(\n map(([{ y }, { offset, height }]) => {\n return height - adjust + Math.min(adjust, Math.max(0, y - offset))\n })\n )\n\n /* Compute whether the sidebar should be locked */\n const lock$ = combineLatest([viewport.offset$, main$])\n .pipe(\n map(([{ y }, { offset }]) => y >= offset + adjust)\n )\n\n /* Combine into single hot observable */\n return combineLatest([height$, lock$])\n .pipe(\n map(([height, lock]) => ({ height, lock })),\n distinctUntilChanged(equals),\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint sidebar from source observable\n *\n * @param el - Sidebar element\n *\n * @return Operator function\n */\nexport function paintSidebar(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ height, lock }) => {\n setSidebarHeight(el, height)\n setSidebarLock(el, lock)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetSidebarHeight(el)\n resetSidebarLock(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar height\n *\n * @param el - Sidebar element\n * @param value - Sidebar height\n */\nexport function setSidebarHeight(\n el: HTMLElement, value: number\n): void {\n el.style.height = `${value}px`\n}\n\n/**\n * Reset sidebar height\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarHeight(\n el: HTMLElement\n): void {\n el.style.height = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar lock\n *\n * @param el - Sidebar element\n * @param value - Whether the sidebar is locked\n */\nexport function setSidebarLock(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"lock\" : \"\")\n}\n\n/**\n * Reset sidebar lock\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarLock(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent } from \"utilities\"\n\nimport {\n MainState,\n SidebarState,\n paintSidebar,\n watchSidebar\n} from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation state\n */\nexport interface NavigationState {\n sidebar: SidebarState /* Sidebar state */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n main$: Observable /* Main area state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation\n *\n * @param el - Navigation element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Navigation state observable\n */\nexport function watchNavigation(\n el: HTMLElement, agent: Agent, { main$ }: Options\n): Observable {\n\n /* Watch and paint sidebar */\n const sidebar$ = watchSidebar(el, agent, { main$ })\n .pipe(\n paintSidebar(el)\n )\n\n /* Combine into a single hot observable */\n return sidebar$\n .pipe(\n map(sidebar => ({ sidebar }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount navigation from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountNavigation(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.screen$, el => watchNavigation(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest, fromEvent } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n shareReplay,\n startWith\n} from \"rxjs/operators\"\n\nimport { watchElementFocus } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query state\n */\nexport interface SearchQueryState {\n value: string /* Query value */\n focus: boolean /* Query focus state */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n prepare(value: string): string /* Preparation function */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @return Search query state observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { prepare }: Options\n): Observable {\n\n /* Intercept keyboard events */\n const value$ = fromEvent(el, \"keyup\")\n .pipe(\n map(() => prepare(el.value)),\n startWith(\"\"),\n distinctUntilChanged()\n )\n\n /* Intercept focus events */\n const focus$ = watchElementFocus(el)\n\n /* Combine into a single hot observable */\n return combineLatest([value$, focus$])\n .pipe(\n map(([value, focus]) => ({ value, focus })),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { mapTo, shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @return Element focus observable\n */\nexport function watchElementFocus(\n el: HTMLElement\n): Observable {\n const focus$ = fromEvent(el, \"focus\")\n const blur$ = fromEvent(el, \"blur\")\n\n /* Map events to boolean state */\n return merge(\n focus$.pipe(mapTo(true)),\n blur$.pipe(mapTo(false))\n )\n .pipe(\n startWith(el === document.activeElement),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search reset\n *\n * @param el - Search reset element\n *\n * @return Search reset observable\n */\nexport function watchSearchReset(\n el: HTMLElement\n): Observable {\n return fromEvent(el, \"click\")\n .pipe(\n mapTo(undefined)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\nimport { ArticleDocument } from \"modules\"\nimport { truncate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n link: \"md-search-result__link\",\n article: \"md-search-result__article md-search-result__article--document\",\n title: \"md-search-result__title\",\n teaser: \"md-search-result__teaser\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render an article document\n *\n * @param article - Article document\n *\n * @return HTML element\n */\nexport function renderArticleDocument(\n { location, title, text }: ArticleDocument\n): HTMLElement {\n return toHTMLElement(\n \n
\n

{title}

\n {text.length\n ?

{truncate(text, 320)}

\n : undefined\n }\n
\n \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\nimport { SectionDocument } from \"modules\"\nimport { truncate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n link: \"md-search-result__link\",\n article: \"md-search-result__article\",\n title: \"md-search-result__title\",\n teaser: \"md-search-result__teaser\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a section document\n *\n * @param section - Section document\n *\n * @return HTML element\n */\nexport function renderSectionDocument(\n { location, title, text }: SectionDocument\n): HTMLElement {\n return toHTMLElement(\n \n
\n

{title}

\n {text.length\n ?

{truncate(text, 320)}

\n : undefined\n }\n
\n \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\nimport { SearchResult } from \"modules\"\n\nimport { renderArticleDocument } from \"../article\"\nimport { renderSectionDocument } from \"../section\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n item: \"md-search-result__item\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @return HTML element\n */\nexport function renderSearchResult(\n { article, sections }: SearchResult\n): HTMLElement {\n return toHTMLElement(\n
  • \n {renderArticleDocument(article)}\n {...sections.map(renderSectionDocument)}\n
    • \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n facts: \"md-source__facts\",\n fact: \"md-source__fact\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render source facts\n *\n * @param facts - Source facts\n *\n * @return HTML element\n */\nexport function renderSource(\n facts: any // TODO: add typings\n): HTMLElement {\n return toHTMLElement(\n
      \n {facts.map((fact: any) =>
    • {fact}
      • )}\n
    \n )\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function withLatestFrom() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n return function (source) {\n var project;\n if (typeof args[args.length - 1] === 'function') {\n project = args.pop();\n }\n var observables = args;\n return source.lift(new WithLatestFromOperator(observables, project));\n };\n}\nvar WithLatestFromOperator = /*@__PURE__*/ (function () {\n function WithLatestFromOperator(observables, project) {\n this.observables = observables;\n this.project = project;\n }\n WithLatestFromOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project));\n };\n return WithLatestFromOperator;\n}());\nvar WithLatestFromSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(WithLatestFromSubscriber, _super);\n function WithLatestFromSubscriber(destination, observables, project) {\n var _this = _super.call(this, destination) || this;\n _this.observables = observables;\n _this.project = project;\n _this.toRespond = [];\n var len = observables.length;\n _this.values = new Array(len);\n for (var i = 0; i < len; i++) {\n _this.toRespond.push(i);\n }\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n _this.add(subscribeToResult(_this, observable, observable, i));\n }\n return _this;\n }\n WithLatestFromSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.values[outerIndex] = innerValue;\n var toRespond = this.toRespond;\n if (toRespond.length > 0) {\n var found = toRespond.indexOf(outerIndex);\n if (found !== -1) {\n toRespond.splice(found, 1);\n }\n }\n };\n WithLatestFromSubscriber.prototype.notifyComplete = function () {\n };\n WithLatestFromSubscriber.prototype._next = function (value) {\n if (this.toRespond.length === 0) {\n var args = [value].concat(this.values);\n if (this.project) {\n this._tryProject(args);\n }\n else {\n this.destination.next(args);\n }\n }\n };\n WithLatestFromSubscriber.prototype._tryProject = function (args) {\n var result;\n try {\n result = this.project.apply(this, args);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return WithLatestFromSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=withLatestFrom.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { MonoTypeOperatorFunction, Observable, pipe } from \"rxjs\"\nimport { map, withLatestFrom } from \"rxjs/operators\"\n\nimport {\n resetSearchResultMeta,\n setSearchResultMeta\n} from \"actions\"\nimport { SearchResult } from \"modules\"\nimport { getElement } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint search result metadata from source observable\n *\n * @param el - Search result metadata element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function paintSearchResultMeta(\n el: HTMLElement, { query$ }: Options\n): MonoTypeOperatorFunction {\n const meta = getElement(\".md-search-result__meta\", el)!\n return pipe(\n withLatestFrom(query$),\n map(([result, query]) => {\n if (query) {\n setSearchResultMeta(meta, result.length)\n } else {\n resetSearchResultMeta(meta)\n }\n return result\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n filter,\n map,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { SearchResult } from \"modules\"\nimport { Agent, watchElementOffset } from \"utilities\"\n\nimport { paintSearchResultList } from \"../list\"\nimport { paintSearchResultMeta } from \"../meta\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n result$: Observable /* Search result observable */\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search result\n *\n * @param el - Search result element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Search result state observable\n */\nexport function watchSearchResult(\n el: HTMLElement, agent: Agent, { result$, query$ }: Options\n): Observable {\n const container = el.parentElement!\n\n /* Compute whether there are more search results elements */\n const render$ = watchElementOffset(container, agent)\n .pipe(\n map(({ y }) => y >= container.scrollHeight - container.offsetHeight - 16),\n distinctUntilChanged(),\n filter(identity)\n )\n\n /* Paint search results */\n return result$\n .pipe(\n paintSearchResultMeta(el, { query$ }),\n paintSearchResultList(el, { render$ })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount search result from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountSearchResult(\n agent: Agent, options: Options\n): OperatorFunction {\n return pipe(\n switchMap(el => watchSearchResult(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport {\n finalize,\n mapTo,\n observeOn,\n scan,\n switchMap\n} from \"rxjs/operators\"\n\nimport {\n addToSearchResultList,\n resetSearchResultList\n} from \"actions\"\nimport { SearchResult } from \"modules\"\nimport { renderSearchResult } from \"templates\"\nimport { getElement } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n render$: Observable /* Render trigger observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint search result list from source observable\n *\n * @param el - Search result element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function paintSearchResultList(\n el: HTMLElement, { render$ }: Options\n): MonoTypeOperatorFunction {\n const container = el.parentElement!\n const list = getElement(\".md-search-result__list\", el)!\n return pipe(\n switchMap(result => render$\n .pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n scan(index => {\n while (index < result.length) {\n addToSearchResultList(list, renderSearchResult(result[index++]))\n if (container.scrollHeight - container.offsetHeight > 16)\n break\n }\n return index\n }, 0),\n\n /* Re-map to search result */\n mapTo(result),\n\n /* Reset on complete or error */\n finalize(() => {\n resetSearchResultList(list)\n })\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent, paintHidden } from \"utilities\"\n\nimport { HeaderState, watchViewportOffsetFromTopOf } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabs state\n */\nexport interface TabsState {\n hidden: boolean /* Whether the tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch tabs\n *\n * This function returns an observable that computes the visual parameters of\n * the tabs, currently only denoting whether the tabs are hidden or not.\n *\n * @param el - Tabs element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Tabs state\n */\nexport function watchTabs(\n el: HTMLElement, agent: Agent, { header$ }: Options\n): Observable {\n\n /* Watch and paint visibility */\n const hidden$ = watchViewportOffsetFromTopOf(el, agent, { header$ })\n .pipe(\n paintHidden(el, 8)\n )\n\n /* Combine into a single hot observable */\n return hidden$\n .pipe(\n map(hidden => ({ hidden }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount tabs from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountTabs(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.screen$, el => watchTabs(el, agent, options)),\n shareReplay(1)\n )\n}\n","import _curry1 from './internal/_curry1.js';\nimport _isString from './internal/_isString.js';\n\n/**\n * Returns a new list or string with the elements or characters in reverse\n * order.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category List\n * @sig [a] -> [a]\n * @sig String -> String\n * @param {Array|String} list\n * @return {Array|String}\n * @example\n *\n * R.reverse([1, 2, 3]); //=> [3, 2, 1]\n * R.reverse([1, 2]); //=> [2, 1]\n * R.reverse([1]); //=> [1]\n * R.reverse([]); //=> []\n *\n * R.reverse('abc'); //=> 'cba'\n * R.reverse('ab'); //=> 'ba'\n * R.reverse('a'); //=> 'a'\n * R.reverse(''); //=> ''\n */\nvar reverse = /*#__PURE__*/_curry1(function reverse(list) {\n return _isString(list) ? list.split('').reverse().join('') : Array.prototype.slice.call(list, 0).reverse();\n});\nexport default reverse;","export default function _isString(x) {\n return Object.prototype.toString.call(x) === '[object String]';\n}","import _indexOf from './_indexOf.js';\n\nexport default function _includes(a, list) {\n return _indexOf(list, a, 0) >= 0;\n}","import equals from '../equals.js';\n\nexport default function _indexOf(list, a, idx) {\n var inf, item;\n // Array.prototype.indexOf doesn't exist below IE9\n if (typeof list.indexOf === 'function') {\n switch (typeof a) {\n case 'number':\n if (a === 0) {\n // manually crawl the list to distinguish between +0 and -0\n inf = 1 / a;\n while (idx < list.length) {\n item = list[idx];\n if (item === 0 && 1 / item === inf) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n } else if (a !== a) {\n // NaN\n while (idx < list.length) {\n item = list[idx];\n if (typeof item === 'number' && item !== item) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n }\n // non-zero numbers can utilise Set\n return list.indexOf(a, idx);\n\n // all these types can utilise Set\n case 'string':\n case 'boolean':\n case 'function':\n case 'undefined':\n return list.indexOf(a, idx);\n\n case 'object':\n if (a === null) {\n // null can utilise Set\n return list.indexOf(a, idx);\n }\n }\n }\n // anything else not covered above, defer to R.equals\n while (idx < list.length) {\n if (equals(list[idx], a)) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n}","import _includes from './_includes.js';\n\nvar _Set = /*#__PURE__*/function () {\n function _Set() {\n /* globals Set */\n this._nativeSet = typeof Set === 'function' ? new Set() : null;\n this._items = {};\n }\n\n // until we figure out why jsdoc chokes on this\n // @param item The item to add to the Set\n // @returns {boolean} true if the item did not exist prior, otherwise false\n //\n _Set.prototype.add = function (item) {\n return !hasOrAdd(item, true, this);\n };\n\n //\n // @param item The item to check for existence in the Set\n // @returns {boolean} true if the item exists in the Set, otherwise false\n //\n _Set.prototype.has = function (item) {\n return hasOrAdd(item, false, this);\n };\n\n //\n // Combines the logic for checking whether an item is a member of the set and\n // for adding a new item to the set.\n //\n // @param item The item to check or add to the Set instance.\n // @param shouldAdd If true, the item will be added to the set if it doesn't\n // already exist.\n // @param set The set instance to check or add to.\n // @return {boolean} true if the item already existed, otherwise false.\n //\n return _Set;\n}();\n\nfunction hasOrAdd(item, shouldAdd, set) {\n var type = typeof item;\n var prevSize, newSize;\n switch (type) {\n case 'string':\n case 'number':\n // distinguish between +0 and -0\n if (item === 0 && 1 / item === -Infinity) {\n if (set._items['-0']) {\n return true;\n } else {\n if (shouldAdd) {\n set._items['-0'] = true;\n }\n return false;\n }\n }\n // these types can all utilise the native Set\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = {};\n set._items[type][item] = true;\n }\n return false;\n } else if (item in set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][item] = true;\n }\n return false;\n }\n }\n\n case 'boolean':\n // set._items['boolean'] holds a two element array\n // representing [ falseExists, trueExists ]\n if (type in set._items) {\n var bIdx = item ? 1 : 0;\n if (set._items[type][bIdx]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][bIdx] = true;\n }\n return false;\n }\n } else {\n if (shouldAdd) {\n set._items[type] = item ? [false, true] : [true, false];\n }\n return false;\n }\n\n case 'function':\n // compare functions for reference equality\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n\n case 'undefined':\n if (set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type] = true;\n }\n return false;\n }\n\n case 'object':\n if (item === null) {\n if (!set._items['null']) {\n if (shouldAdd) {\n set._items['null'] = true;\n }\n return false;\n }\n return true;\n }\n /* falls through */\n default:\n // reduce the search size of heterogeneous sets by creating buckets\n // for each type.\n type = Object.prototype.toString.call(item);\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n // scan through all previously applied items\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n}\n\n// A simple Set type that honours R.equals semantics\nexport default _Set;","import _curry2 from './internal/_curry2.js';\nimport _Set from './internal/_Set.js';\n\n/**\n * Finds the set (i.e. no duplicates) of all elements in the first list not\n * contained in the second list. Objects and Arrays are compared in terms of\n * value equality, not reference equality.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Relation\n * @sig [*] -> [*] -> [*]\n * @param {Array} list1 The first list.\n * @param {Array} list2 The second list.\n * @return {Array} The elements in `list1` that are not in `list2`.\n * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith, R.without\n * @example\n *\n * R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]\n * R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]\n * R.difference([{a: 1}, {b: 2}], [{a: 1}, {c: 3}]) //=> [{b: 2}]\n */\nvar difference = /*#__PURE__*/_curry2(function difference(first, second) {\n var out = [];\n var idx = 0;\n var firstLen = first.length;\n var secondLen = second.length;\n var toFilterOut = new _Set();\n\n for (var i = 0; i < secondLen; i += 1) {\n toFilterOut.add(second[i]);\n }\n\n while (idx < firstLen) {\n if (toFilterOut.add(first[idx])) {\n out[out.length] = first[idx];\n }\n idx += 1;\n }\n return out;\n});\nexport default difference;","\n/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Packer message type\n */\nexport const enum PackerMessageType {\n STRING, /* String data */\n BINARY /* Packed data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing an unpacked string\n */\nexport interface PackerStringMessage {\n type: PackerMessageType.STRING /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing a packed string\n */\nexport interface PackerBinaryMessage {\n type: PackerMessageType.BINARY /* Message type */\n data: string /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the packer worker\n */\nexport type PackerMessage =\n | PackerStringMessage\n | PackerBinaryMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for packer binary messages\n *\n * @param message - Packer worker message\n *\n * @return Test result\n */\nexport function isPackerBinaryMessage(\n message: PackerMessage\n): message is PackerBinaryMessage {\n return message.type === PackerMessageType.BINARY\n}\n\n/**\n * Type guard for packer string messages\n *\n * @param message - Packer worker message\n *\n * @return Test result\n */\nexport function isPackerStringMessage(\n message: PackerMessage\n): message is PackerStringMessage {\n return message.type === PackerMessageType.STRING\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndexOptions, SearchResult } from \"modules\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n DUMP, /* Search index dump */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndexOptions /* Message data */\n}\n\n/**\n * A message containing the a dump of the search index\n */\nexport interface SearchDumpMessage {\n type: SearchMessageType.DUMP /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult[] /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchDumpMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search dump messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchDumpMessage(\n message: SearchMessage\n): message is SearchDumpMessage {\n return message.type === SearchMessageType.DUMP\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent, getElements } from \"utilities\"\n\nimport { HeaderState } from \"../../header\"\nimport {\n MainState,\n SidebarState,\n paintSidebar,\n watchSidebar\n} from \"../../main\"\nimport {\n AnchorList,\n paintAnchorList,\n watchAnchorList\n} from \"../anchor\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents state\n */\nexport interface TableOfContentsState {\n sidebar: SidebarState /* Sidebar state */\n anchors: AnchorList /* Anchor list */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n main$: Observable /* Main area state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * @param el - Table of contents element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Table of contents state observable\n */\nexport function watchTableOfContents(\n el: HTMLElement, agent: Agent, { header$, main$ }: Options\n): Observable {\n\n /* Watch and paint sidebar */\n const sidebar$ = watchSidebar(el, agent, { main$ })\n .pipe(\n paintSidebar(el)\n )\n\n /* Watch and paint anchor list (scroll spy) */\n const els = getElements(\".md-nav__link\", el)\n const anchors$ = watchAnchorList(els, agent, { header$ })\n .pipe(\n paintAnchorList(els)\n )\n\n /* Combine into a single hot observable */\n return combineLatest([sidebar$, anchors$])\n .pipe(\n map(([sidebar, anchors]) => ({ sidebar, anchors }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountTableOfContents(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.tablet$, el => watchTableOfContents(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { difference, reverse } from \"ramda\"\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n scan,\n shareReplay,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetAnchorActive,\n resetAnchorBlur,\n setAnchorActive,\n setAnchorBlur\n} from \"actions\"\nimport { Agent, getElement } from \"utilities\"\n\nimport { HeaderState } from \"../../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Anchor list\n */\nexport interface AnchorList {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch anchor list\n *\n * This is effectively a scroll-spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the anchor list needs\n * to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param els - Anchor elements\n * @param agent - Agent\n * @param options - Options\n *\n * @return Anchor list observable\n */\nexport function watchAnchorList(\n els: HTMLAnchorElement[], { viewport }: Agent, { header$ }: Options\n): Observable {\n const table = new Map()\n for (const el of els) {\n const id = decodeURIComponent(el.hash.substring(1))\n const target = getElement(`[id=\"${id}\"]`)\n if (typeof target !== \"undefined\")\n table.set(el, target)\n }\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(header => 18 + header.height)\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = viewport.size$\n .pipe(\n\n /* Build index to map anchor paths to vertical offsets */\n map(() => {\n let path: HTMLAnchorElement[] = []\n return [...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n return index.set(\n reverse(path = [...path, anchor]),\n target.offsetTop\n )\n }, new Map())\n }),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(index => combineLatest(viewport.offset$, adjust$)\n .pipe(\n scan(([prev, next], [{ y }, adjust]) => {\n\n /* Look forward */\n while (next.length) {\n const [, offset] = next[0]\n if (offset - adjust < y) {\n prev = [...prev, next.shift()!]\n } else {\n break\n }\n }\n\n /* Look backward */\n while (prev.length) {\n const [, offset] = prev[prev.length - 1]\n if (offset - adjust >= y) {\n next = [prev.pop()!, ...next]\n } else {\n break\n }\n }\n\n /* Return partition */\n return [prev, next]\n }, [[], [...index]]),\n distinctUntilChanged((a, b) => {\n return a[0] === b[0]\n && a[1] === b[1]\n })\n )\n )\n )\n\n /* Compute anchor list migrations */\n const migration$ = partition$\n .pipe(\n map(([prev, next]) => ({\n prev: prev.map(([path]) => path),\n next: next.map(([path]) => path)\n })),\n\n /* Extract anchor list migrations */\n scan((a, b) => {\n const begin = Math.max(0, Math.min(b.prev.length, a.prev.length) - 1)\n const end = Math.max(b.prev.length, a.prev.length)\n return {\n prev: b.prev.slice(begin, end + 1),\n next: difference(b.next, a.next)\n }\n }, { prev: [], next: [] })\n )\n\n /* Return anchor list migrations as hot observable */\n return migration$\n .pipe(\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint anchor list from source observable\n *\n * @param els - Anchor elements\n *\n * @return Operator function\n */\nexport function paintAnchorList(\n els: HTMLAnchorElement[]\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ prev, next }) => {\n\n /* Look forward */\n for (const [el] of next) {\n resetAnchorActive(el)\n resetAnchorBlur(el)\n }\n\n /* Look backward */\n for (const [index, [el]] of prev.entries()) {\n setAnchorActive(el, index === prev.length - 1)\n setAnchorBlur(el, true)\n }\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n for (const el of els) {\n resetAnchorActive(el)\n resetAnchorBlur(el)\n }\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n// TODO: remove this after we finished refactoring\n// tslint:disable\n\nimport { identity, values } from \"ramda\"\nimport {\n EMPTY,\n Observable,\n Subject,\n forkJoin,\n merge,\n of,\n fromEvent,\n interval,\n NEVER\n} from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n delay,\n filter,\n map,\n pluck,\n switchMap,\n switchMapTo,\n take,\n tap,\n} from \"rxjs/operators\"\n\nimport {\n Component,\n paintHeaderShadow,\n mountHero,\n mountMain,\n mountNavigation,\n mountSearchResult,\n mountTableOfContents,\n mountTabs,\n switchComponent,\n watchComponentMap,\n watchHeader,\n watchSearchQuery,\n watchSearchReset\n} from \"./components\"\nimport { SearchIndexOptions } from \"./modules\"\nimport {\n getElement,\n setupAgent,\n watchToggle,\n watchWorker,\n setToggle,\n getElements,\n watchMedia,\n translate\n} from \"./utilities\"\nimport {\n PackerMessage,\n PackerMessageType,\n SearchMessage,\n SearchMessageType,\n SearchSetupMessage,\n isSearchDumpMessage,\n isSearchResultMessage\n} from \"./workers\"\nimport { renderSource } from \"templates\"\nimport { switchMapIf, not } from \"extensions\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n worker: {\n search: string /* Search worker URL */\n packer: string /* Packer worker URL */\n }\n}\n\n/* ----------------------------------------------------------------------------\n * TODO: where do we put this stuff?\n * ------------------------------------------------------------------------- */\n\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\nconst names: Component[] = [\n \"container\", /* Container */\n \"header\", /* Header */\n \"header-title\", /* Header title */\n \"hero\", /* Hero */\n \"main\", /* Main area */\n \"navigation\", /* Navigation */\n \"search\", /* Search */\n \"search-query\", /* Search input */\n \"search-reset\", /* Search reset */\n \"search-result\", /* Search results */\n \"tabs\", /* Tabs */\n \"toc\" /* Table of contents */\n]\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Ensure that the given value is a valid configuration\n *\n * We could use `jsonschema` or any other schema validation framework, but that\n * would just add more bloat to the bundle, so we'll keep it plain and simple.\n *\n * @param config - Configuration\n *\n * @return Test result\n */\nfunction isConfig(config: any): config is Config {\n return typeof config === \"object\"\n && typeof config.base === \"string\"\n && typeof config.worker === \"object\"\n && typeof config.worker.search === \"string\"\n && typeof config.worker.packer === \"string\"\n}\n\n/**\n *\n * Rogue control characters must be filtered before handing the query to the\n * search index, as lunr will throw otherwise.\n */\nfunction prepare(value: string): string {\n const newvalue = value\n .replace(/(?:^|\\s+)[*+-:^~]+(?=\\s+|$)/g, \"\")\n .trim()\n\n return newvalue ? newvalue.replace(/\\s+|$/g, \"* \") : \"\"\n}\n\nfunction setupWorkers(config: Config) {\n // Remove trailing URL, or search might not work on the 404 page.\n config.base = config.base.replace(/\\/$/, \"\")\n\n const worker = new Worker(config.worker.search)\n const packer = new Worker(config.worker.packer)\n\n const packerMessage$ = new Subject()\n const packer$ = watchWorker(packer, { send$: packerMessage$ })\n\n // send a message, then switchMapTo worker!\n\n packer$.subscribe(message => {\n // console.log(\"PACKER.MSG\", message.data.length)\n // is always packed!\n if (message.type === PackerMessageType.BINARY && message.data[0] !== \"{\")\n localStorage.setItem(\"index\", message.data)\n })\n\n // storing = experimental feature\n\n const searchMessage$ = new Subject()\n\n const search$ = watchWorker(worker, { send$: searchMessage$ })\n\n /* Link search to packer */\n search$\n .pipe(\n filter(isSearchDumpMessage),\n map(message => ({\n type: PackerMessageType.STRING,\n data: message.data\n })),\n tap(message => packerMessage$.next(message)) // send message and wait!\n // switchMapTo(packer$)\n )\n .subscribe()\n\n const data$ = ajax({\n url: `${config.base}/search/search_index.json`,\n responseType: \"json\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\"),\n // map(res => {\n // // search language... default for theme language...\n // const override = translate(\"search.tokenizer\")\n // // TODO: ???\n // if (override.length)\n // res.config.separator = override\n\n // return res\n // })\n // take(1)\n )\n\n const fromLocal = localStorage.getItem(\"index\")\n\n ;\n (fromLocal ? of({\n type: PackerMessageType.BINARY,\n data: localStorage.getItem(\"index\")!\n }) : EMPTY)\n .subscribe(x => {\n // console.log(\"send message to packer\")\n packerMessage$.next(x)\n })\n\n const index$ = fromLocal ? packer$.pipe(pluck(\"data\"), take(1)) : of(undefined) // of(localStorage.getItem(\"index\"))\n\n // index$.subscribe(xx => console.log(\"INDEX\", xx))\n\n forkJoin([data$, index$])\n .pipe(\n map(([data, index]) => ({\n type: SearchMessageType.SETUP,\n data: { ...data, index }\n }))\n )\n .subscribe(message => {\n searchMessage$.next(message) // TODO: this shall not complete\n })\n\n return [search$, searchMessage$] as const\n}\n\n/**\n * Yes, this is a super hacky implementation. Needs clean up.\n */\nfunction repository() {\n const el = getElement(\"[data-md-source][href]\")\n console.log(el)\n if (!el)\n return EMPTY\n\n const data = sessionStorage.getItem(\"repository\")\n if (data) {\n const x = JSON.parse(data)\n return of(x)\n }\n\n // TODO: do correct rounding, see GitHub\n function format(value: number) {\n return value > 999\n ? `${(value / 1000).toFixed(1)}k`\n : `${(value)}`\n }\n\n // github repository...\n const [, user, repo] = el.href.match(/^.+github\\.com\\/([^\\/]+)\\/?([^\\/]+)?.*$/i)\n\n // Show repo stats\n if (user && repo) {\n return ajax({\n url: `https://api.github.com/repos/${user}/${repo}`,\n responseType: \"json\"\n })\n .pipe(\n map(({ status, response }) => {\n if (status === 200) {\n const { stargazers_count, forks_count } = response\n return [\n `${format(stargazers_count)} Stars`,\n `${format(forks_count)} Forks`\n ]\n }\n return []\n }),\n tap(data => sessionStorage.setItem(\"repository\", JSON.stringify(data)))\n )\n\n // Show user or organization stats\n } else if (user) {\n return ajax({\n url: `https://api.github.com/users/${user}`,\n responseType: \"json\"\n })\n .pipe(\n map(({ status, response }) => {\n if (status === 200) {\n const { public_repos } = response\n return [\n `${format(public_repos)} Repositories`\n ]\n }\n return []\n }),\n tap(data => sessionStorage.setItem(\"repository\", JSON.stringify(data)))\n )\n }\n return of([])\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Initialize Material for MkDocs\n *\n * @param config - Configuration\n */\nexport function initialize(config: unknown) {\n if (!isConfig(config))\n throw new SyntaxError(`Invalid configuration: ${JSON.stringify(config)}`)\n\n // pass config here!?\n const agent = setupAgent() // TODO: add a config parameter here to configure media queries\n\n const [\n searchWorkerRecv$,\n searchMessage$\n ] = setupWorkers(config)\n\n // TODO: WIP repo rendering\n repository().subscribe(facts => {\n if (facts.length) {\n const sources = getElements(\"[data-md-source] .md-source__repository\")\n sources.forEach(repo => {\n repo.dataset.mdState = \"done\"\n repo.appendChild(\n renderSource(facts)\n )\n })\n }\n })\n\n /* ----------------------------------------------------------------------- */\n\n /* Create component map observable */\n const components$ = watchComponentMap(names, { document$: agent.document.load$ })\n const component = (name: Component): Observable => {\n return components$\n .pipe(\n switchComponent(name)\n )\n }\n\n /* Create header observable */\n const header$ = component(\"header\") // TODO:!\n .pipe(\n switchMap(watchHeader)\n )\n\n /* Create header shadow toggle */\n component(\"header\")\n .pipe(\n switchMap(el => main$\n .pipe(\n paintHeaderShadow(el) // technically, this could be done in paintMain\n )\n )\n )\n .subscribe()\n\n // ----------------------------------------------------------------------------\n\n // watchSearchResult // emit, if at bottom...\n // receive results as a second observable!? filter stuff, paint\n\n const result$ = searchWorkerRecv$ // move worker initialization into mountSearch ?\n .pipe(\n // tap(m => console.log(\"message from worker\", m)),\n filter(isSearchResultMessage),\n pluck(\"data\"),\n // Prefix URLs with base URL\n tap(result => result.forEach(item => {\n item.article.location = `${config.base}/${item.article.location}`\n item.sections.forEach(section => {\n section.location = `${config.base}/${section.location}`\n })\n }))\n )\n\n // handleSearchResult <-- operator\n\n const query$ = component(\"search-query\")\n .pipe(\n switchMap(el => watchSearchQuery(el, { prepare }))\n )\n\n query$\n .pipe(\n map(query => ({ // put this into some function...\n type: SearchMessageType.QUERY,\n data: query.value\n })), // TODO. ugly...\n // distinctUntilKeyChanged(\"data\")\n )\n .subscribe(searchMessage$)\n\n // create the message subject internally... and link it to the worker...?\n // watchSearchWorker(worker, agent, { query$ }) // message internally...\n\n query$\n .pipe(\n tap(query => {\n if (query.focus)\n setToggle(search, true)\n })\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n const main$ = component(\"main\")\n .pipe(\n mountMain(agent, { header$ })\n )\n\n const navigation$ = component(\"navigation\")\n .pipe(\n mountNavigation(agent, { main$ })\n )\n\n const toc$ = component(\"toc\")\n .pipe(\n mountTableOfContents(agent, { header$, main$ })\n )\n\n // TODO: naming?\n const resultComponent$ = component(\"search-result\")\n .pipe(\n mountSearchResult(agent, { result$, query$: query$.pipe(pluck(\"value\")) })\n ) // temporary fix\n\n const tabs$ = component(\"tabs\")\n .pipe(\n mountTabs(agent, { header$ })\n )\n\n const hero$ = component(\"hero\")\n .pipe(\n mountHero(agent, { header$ })\n )\n\n\n /* ----------------------------------------------------------------------- */\n\n const drawer = getElement(\"[data-md-toggle=drawer]\")!\n const search = getElement(\"[data-md-toggle=search]\")!\n\n const a$ = watchToggle(search)\n .pipe(\n delay(400)\n )\n\n const reset$ = component(\"search-reset\")\n .pipe(\n switchMap(watchSearchReset)\n )\n\n /* Listener: focus query if search is open and character is typed */\n // TODO: combine with watchElementFocus\n const keysIfSearchActive$ = a$\n .pipe(\n switchMap(x => x === true ? fromEvent(window, \"keydown\") : NEVER),\n )\n\n // focus search on reset, on toggle and on keypress if open\n merge(a$.pipe(filter(identity)), reset$, keysIfSearchActive$)\n .pipe(\n switchMapTo(component(\"search-query\")),\n tap(el => el.focus()) // TODO: only if element isnt focused! setFocus? setToggle?\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n /* Open details before printing */\n merge(\n watchMedia(\"print\").pipe(filter(identity)), // Webkit\n fromEvent(window, \"beforeprint\") // IE, FF\n )\n .subscribe(() => {\n const details = document.querySelectorAll(\"details\")\n Array.prototype.forEach.call(details, detail => {\n detail.setAttribute(\"open\", \"\")\n })\n })\n\n /* ----------------------------------------------------------------------- */\n\n const state = {\n search: {\n query$,\n result$: resultComponent$,\n reset$,\n },\n main$,\n navigation$,\n toc$,\n tabs$,\n hero$\n }\n\n const { search: temp, ...rest } = state\n merge(...values(rest), ...values(temp))\n .subscribe() // potential memleak <-- use takeUntil\n\n return {\n agent,\n state\n }\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject } from \"rxjs\"\n\nimport {\n ViewportOffset,\n ViewportSize,\n watchDocument,\n watchLocation,\n watchLocationHash,\n watchMedia,\n watchViewportOffset,\n watchViewportSize\n} from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Agent document\n */\nexport interface AgentDocument {\n load$: Observable /* Document observable */\n}\n\n/**\n * Agent location\n */\nexport interface AgentLocation {\n href$: Subject /* Location subject */\n hash$: Observable /* Location hash observable */\n}\n\n/**\n * Agent media\n */\nexport interface AgentMedia {\n screen$: Observable /* Media observable for screen */\n tablet$: Observable /* Media observable for tablet */\n}\n\n/**\n * Agent viewport\n */\nexport interface AgentViewport {\n offset$: Observable /* Viewport offset observable */\n size$: Observable /* Viewport size observable */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Agent\n */\nexport interface Agent {\n document: AgentDocument /* Document observables */\n location: AgentLocation /* Location observables */\n media: AgentMedia /* Media observables */\n viewport: AgentViewport /* Viewport observables */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create the agent\n *\n * This function returns a data structure that contains all observables that\n * are related to the browser and/or environment.\n *\n * @return Agent\n */\nexport function setupAgent(): Agent {\n return {\n document: {\n load$: watchDocument()\n },\n location: {\n href$: watchLocation(),\n hash$: watchLocationHash()\n },\n media: {\n screen$: watchMedia(\"(min-width: 1220px)\"),\n tablet$: watchMedia(\"(min-width: 960px)\")\n },\n viewport: {\n offset$: watchViewportOffset(),\n size$: watchViewportSize()\n }\n }\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { keys } from \"ramda\"\nimport { NEVER, Observable, OperatorFunction, of, pipe } from \"rxjs\"\nimport { map, scan, shareReplay, switchMap } from \"rxjs/operators\"\n\nimport { getElement } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component names\n */\nexport type Component =\n | \"container\" /* Container */\n | \"header\" /* Header */\n | \"header-title\" /* Header title */\n | \"hero\" /* Hero */\n | \"main\" /* Main area */\n | \"navigation\" /* Navigation */\n | \"search\" /* Search */\n | \"search-query\" /* Search input */\n | \"search-reset\" /* Search reset */\n | \"search-result\" /* Search results */\n | \"tabs\" /* Tabs */\n | \"toc\" /* Table of contents */\n\n/**\n * Component map\n */\nexport type ComponentMap = {\n [P in Component]?: HTMLElement\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch component mapping\n *\n * This function returns an observable that will maintain bindings to the given\n * components in-between document switches and update the document in-place.\n *\n * @param names - Component names\n * @param options - Options\n *\n * @return Component mapping observable\n */\nexport function watchComponentMap(\n names: Component[], { document$ }: Options\n): Observable {\n const components$ = document$\n .pipe(\n\n /* Build component map */\n map(document => names.reduce((components, name) => {\n const el = getElement(`[data-md-component=${name}]`, document)\n return {\n ...components,\n ...typeof el !== \"undefined\" ? { [name]: el } : {}\n }\n }, {})),\n\n /* Re-compute component map on document switch */\n scan((prev, next) => {\n for (const name of keys(prev)) {\n switch (name) {\n\n /* Top-level components: update */\n case \"header-title\":\n case \"container\":\n if (name in prev && typeof prev[name] !== \"undefined\") {\n prev[name]!.replaceWith(next[name]!)\n prev[name] = next[name]\n }\n break\n\n /* All other components: rebind */\n default:\n prev[name] = getElement(`[data-md-component=${name}]`)\n }\n }\n return prev\n })\n )\n\n /* Return component map as hot observable */\n return components$\n .pipe(\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Switch to component\n *\n * @template T - Element type\n *\n * @param name - Component name\n *\n * @return Operator function\n */\nexport function switchComponent(\n name: Component\n): OperatorFunction {\n return pipe(\n switchMap(components => {\n return typeof components[name] !== \"undefined\"\n ? of(components[name] as T)\n : NEVER\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programatically change the value of a toggle, but this\n * is a much simpler and cleaner solution.\n *\n * @param el - Toggle element\n * @param value - Toggle value\n */\nexport function setToggle(\n el: HTMLInputElement, value: boolean\n): void {\n if (el.checked !== value)\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param el - Toggle element\n *\n * @return Toggle observable\n */\nexport function watchToggle(\n el: HTMLInputElement\n): Observable {\n return fromEvent(el, \"change\")\n .pipe(\n map(() => el.checked)\n )\n}\n"],"sourceRoot":""} \ No newline at end of file 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to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","export default function _isPlaceholder(a) {\n return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;\n}","import _isPlaceholder from './_isPlaceholder.js';\n\n/**\n * Optimized internal one-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\nexport default function _curry1(fn) {\n return function f1(a) {\n if (arguments.length === 0 || _isPlaceholder(a)) {\n return f1;\n } else {\n return fn.apply(this, arguments);\n }\n };\n}","export default function _identity(x) {\n return x;\n}","import _curry1 from './internal/_curry1.js';\nimport _identity from './internal/_identity.js';\n\n/**\n * A function that does nothing but return the parameter supplied to it. Good\n * as a default or placeholder function.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Function\n * @sig a -> a\n * @param {*} x The value to return.\n * @return {*} The input value, `x`.\n * @example\n *\n * R.identity(1); //=> 1\n *\n * const obj = {};\n * R.identity(obj) === obj; //=> true\n * @symb R.identity(a) = a\n */\nvar identity = /*#__PURE__*/_curry1(_identity);\nexport default identity;","export default function _has(prop, obj) {\n return Object.prototype.hasOwnProperty.call(obj, prop);\n}","import _has from './_has.js';\n\nvar toString = Object.prototype.toString;\nvar _isArguments = /*#__PURE__*/function () {\n return toString.call(arguments) === '[object Arguments]' ? function _isArguments(x) {\n return toString.call(x) === '[object Arguments]';\n } : function _isArguments(x) {\n return _has('callee', x);\n };\n}();\n\nexport default _isArguments;","import _curry1 from './internal/_curry1.js';\nimport _has from './internal/_has.js';\nimport _isArguments from './internal/_isArguments.js';\n\n// cover IE < 9 keys issues\nvar hasEnumBug = ! /*#__PURE__*/{ toString: null }.propertyIsEnumerable('toString');\nvar nonEnumerableProps = ['constructor', 'valueOf', 'isPrototypeOf', 'toString', 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];\n// Safari bug\nvar hasArgsEnumBug = /*#__PURE__*/function () {\n 'use strict';\n\n return arguments.propertyIsEnumerable('length');\n}();\n\nvar contains = function contains(list, item) {\n var idx = 0;\n while (idx < list.length) {\n if (list[idx] === item) {\n return true;\n }\n idx += 1;\n }\n return false;\n};\n\n/**\n * Returns a list containing the names of all the enumerable own properties of\n * the supplied object.\n * Note that the order of the output array is not guaranteed to be consistent\n * across different JS platforms.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Object\n * @sig {k: v} -> [k]\n * @param {Object} obj The object to extract properties from\n * @return {Array} An array of the object's own properties.\n * @see R.keysIn, R.values\n * @example\n *\n * R.keys({a: 1, b: 2, c: 3}); //=> ['a', 'b', 'c']\n */\nvar keys = typeof Object.keys === 'function' && !hasArgsEnumBug ? /*#__PURE__*/_curry1(function keys(obj) {\n return Object(obj) !== obj ? [] : Object.keys(obj);\n}) : /*#__PURE__*/_curry1(function keys(obj) {\n if (Object(obj) !== obj) {\n return [];\n }\n var prop, nIdx;\n var ks = [];\n var checkArgsLength = hasArgsEnumBug && _isArguments(obj);\n for (prop in obj) {\n if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {\n ks[ks.length] = prop;\n }\n }\n if (hasEnumBug) {\n nIdx = nonEnumerableProps.length - 1;\n while (nIdx >= 0) {\n prop = nonEnumerableProps[nIdx];\n if (_has(prop, obj) && !contains(ks, prop)) {\n ks[ks.length] = prop;\n }\n nIdx -= 1;\n }\n }\n return ks;\n});\nexport default keys;","import _curry1 from './internal/_curry1.js';\nimport keys from './keys.js';\n\n/**\n * Returns a list of all the enumerable own properties of the supplied object.\n * Note that the order of the output array is not guaranteed across different\n * JS platforms.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Object\n * @sig {k: v} -> [v]\n * @param {Object} obj The object to extract values from\n * @return {Array} An array of the values of the object's own properties.\n * @see R.valuesIn, R.keys\n * @example\n *\n * R.values({a: 1, b: 2, c: 3}); //=> [1, 2, 3]\n */\nvar values = /*#__PURE__*/_curry1(function values(obj) {\n var props = keys(obj);\n var len = props.length;\n var vals = [];\n var idx = 0;\n while (idx < len) {\n vals[idx] = obj[props[idx]];\n idx += 1;\n }\n return vals;\n});\nexport default values;","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)\r\n t[p[i]] = s[p[i]];\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\r\n if (m) return m.call(o);\r\n return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isFunction(x) {\n return typeof x === 'function';\n}\n//# sourceMappingURL=isFunction.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar _enable_super_gross_mode_that_will_cause_bad_things = false;\nexport var config = {\n Promise: undefined,\n set useDeprecatedSynchronousErrorHandling(value) {\n if (value) {\n var error = /*@__PURE__*/ new Error();\n /*@__PURE__*/ console.warn('DEPRECATED! RxJS was set to use deprecated synchronous error handling behavior by code at: \\n' + error.stack);\n }\n else if (_enable_super_gross_mode_that_will_cause_bad_things) {\n /*@__PURE__*/ console.log('RxJS: Back to a better error behavior. Thank you. <3');\n }\n _enable_super_gross_mode_that_will_cause_bad_things = value;\n },\n get useDeprecatedSynchronousErrorHandling() {\n return _enable_super_gross_mode_that_will_cause_bad_things;\n },\n};\n//# sourceMappingURL=config.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function hostReportError(err) {\n setTimeout(function () { throw err; }, 0);\n}\n//# sourceMappingURL=hostReportError.js.map\n","/** PURE_IMPORTS_START _config,_util_hostReportError PURE_IMPORTS_END */\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nexport var empty = {\n closed: true,\n next: function (value) { },\n error: function (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n },\n complete: function () { }\n};\n//# sourceMappingURL=Observer.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArray = /*@__PURE__*/ (function () { return Array.isArray || (function (x) { return x && typeof x.length === 'number'; }); })();\n//# sourceMappingURL=isArray.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isObject(x) {\n return x !== null && typeof x === 'object';\n}\n//# sourceMappingURL=isObject.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar UnsubscriptionErrorImpl = /*@__PURE__*/ (function () {\n function UnsubscriptionErrorImpl(errors) {\n Error.call(this);\n this.message = errors ?\n errors.length + \" errors occurred during unsubscription:\\n\" + errors.map(function (err, i) { return i + 1 + \") \" + err.toString(); }).join('\\n ') : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n return this;\n }\n UnsubscriptionErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return UnsubscriptionErrorImpl;\n})();\nexport var UnsubscriptionError = UnsubscriptionErrorImpl;\n//# sourceMappingURL=UnsubscriptionError.js.map\n","/** PURE_IMPORTS_START _util_isArray,_util_isObject,_util_isFunction,_util_UnsubscriptionError PURE_IMPORTS_END */\nimport { isArray } from './util/isArray';\nimport { isObject } from './util/isObject';\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nvar Subscription = /*@__PURE__*/ (function () {\n function Subscription(unsubscribe) {\n this.closed = false;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (unsubscribe) {\n this._unsubscribe = unsubscribe;\n }\n }\n Subscription.prototype.unsubscribe = function () {\n var errors;\n if (this.closed) {\n return;\n }\n var _a = this, _parentOrParents = _a._parentOrParents, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions;\n this.closed = true;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (_parentOrParents instanceof Subscription) {\n _parentOrParents.remove(this);\n }\n else if (_parentOrParents !== null) {\n for (var index = 0; index < _parentOrParents.length; ++index) {\n var parent_1 = _parentOrParents[index];\n parent_1.remove(this);\n }\n }\n if (isFunction(_unsubscribe)) {\n try {\n _unsubscribe.call(this);\n }\n catch (e) {\n errors = e instanceof UnsubscriptionError ? flattenUnsubscriptionErrors(e.errors) : [e];\n }\n }\n if (isArray(_subscriptions)) {\n var index = -1;\n var len = _subscriptions.length;\n while (++index < len) {\n var sub = _subscriptions[index];\n if (isObject(sub)) {\n try {\n sub.unsubscribe();\n }\n catch (e) {\n errors = errors || [];\n if (e instanceof UnsubscriptionError) {\n errors = errors.concat(flattenUnsubscriptionErrors(e.errors));\n }\n else {\n errors.push(e);\n }\n }\n }\n }\n }\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n };\n Subscription.prototype.add = function (teardown) {\n var subscription = teardown;\n if (!teardown) {\n return Subscription.EMPTY;\n }\n switch (typeof teardown) {\n case 'function':\n subscription = new Subscription(teardown);\n case 'object':\n if (subscription === this || subscription.closed || typeof subscription.unsubscribe !== 'function') {\n return subscription;\n }\n else if (this.closed) {\n subscription.unsubscribe();\n return subscription;\n }\n else if (!(subscription instanceof Subscription)) {\n var tmp = subscription;\n subscription = new Subscription();\n subscription._subscriptions = [tmp];\n }\n break;\n default: {\n throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');\n }\n }\n var _parentOrParents = subscription._parentOrParents;\n if (_parentOrParents === null) {\n subscription._parentOrParents = this;\n }\n else if (_parentOrParents instanceof Subscription) {\n if (_parentOrParents === this) {\n return subscription;\n }\n subscription._parentOrParents = [_parentOrParents, this];\n }\n else if (_parentOrParents.indexOf(this) === -1) {\n _parentOrParents.push(this);\n }\n else {\n return subscription;\n }\n var subscriptions = this._subscriptions;\n if (subscriptions === null) {\n this._subscriptions = [subscription];\n }\n else {\n subscriptions.push(subscription);\n }\n return subscription;\n };\n Subscription.prototype.remove = function (subscription) {\n var subscriptions = this._subscriptions;\n if (subscriptions) {\n var subscriptionIndex = subscriptions.indexOf(subscription);\n if (subscriptionIndex !== -1) {\n subscriptions.splice(subscriptionIndex, 1);\n }\n }\n };\n Subscription.EMPTY = (function (empty) {\n empty.closed = true;\n return empty;\n }(new Subscription()));\n return Subscription;\n}());\nexport { Subscription };\nfunction flattenUnsubscriptionErrors(errors) {\n return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError) ? err.errors : err); }, []);\n}\n//# sourceMappingURL=Subscription.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var rxSubscriber = /*@__PURE__*/ (function () {\n return typeof Symbol === 'function'\n ? /*@__PURE__*/ Symbol('rxSubscriber')\n : '@@rxSubscriber_' + /*@__PURE__*/ Math.random();\n})();\nexport var $$rxSubscriber = rxSubscriber;\n//# sourceMappingURL=rxSubscriber.js.map\n","/** PURE_IMPORTS_START tslib,_util_isFunction,_Observer,_Subscription,_internal_symbol_rxSubscriber,_config,_util_hostReportError PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { isFunction } from './util/isFunction';\nimport { empty as emptyObserver } from './Observer';\nimport { Subscription } from './Subscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nvar Subscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(Subscriber, _super);\n function Subscriber(destinationOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this.syncErrorValue = null;\n _this.syncErrorThrown = false;\n _this.syncErrorThrowable = false;\n _this.isStopped = false;\n switch (arguments.length) {\n case 0:\n _this.destination = emptyObserver;\n break;\n case 1:\n if (!destinationOrNext) {\n _this.destination = emptyObserver;\n break;\n }\n if (typeof destinationOrNext === 'object') {\n if (destinationOrNext instanceof Subscriber) {\n _this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;\n _this.destination = destinationOrNext;\n destinationOrNext.add(_this);\n }\n else {\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext);\n }\n break;\n }\n default:\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext, error, complete);\n break;\n }\n return _this;\n }\n Subscriber.prototype[rxSubscriberSymbol] = function () { return this; };\n Subscriber.create = function (next, error, complete) {\n var subscriber = new Subscriber(next, error, complete);\n subscriber.syncErrorThrowable = false;\n return subscriber;\n };\n Subscriber.prototype.next = function (value) {\n if (!this.isStopped) {\n this._next(value);\n }\n };\n Subscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n this.isStopped = true;\n this._error(err);\n }\n };\n Subscriber.prototype.complete = function () {\n if (!this.isStopped) {\n this.isStopped = true;\n this._complete();\n }\n };\n Subscriber.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.isStopped = true;\n _super.prototype.unsubscribe.call(this);\n };\n Subscriber.prototype._next = function (value) {\n this.destination.next(value);\n };\n Subscriber.prototype._error = function (err) {\n this.destination.error(err);\n this.unsubscribe();\n };\n Subscriber.prototype._complete = function () {\n this.destination.complete();\n this.unsubscribe();\n };\n Subscriber.prototype._unsubscribeAndRecycle = function () {\n var _parentOrParents = this._parentOrParents;\n this._parentOrParents = null;\n this.unsubscribe();\n this.closed = false;\n this.isStopped = false;\n this._parentOrParents = _parentOrParents;\n return this;\n };\n return Subscriber;\n}(Subscription));\nexport { Subscriber };\nvar SafeSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SafeSubscriber, _super);\n function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this._parentSubscriber = _parentSubscriber;\n var next;\n var context = _this;\n if (isFunction(observerOrNext)) {\n next = observerOrNext;\n }\n else if (observerOrNext) {\n next = observerOrNext.next;\n error = observerOrNext.error;\n complete = observerOrNext.complete;\n if (observerOrNext !== emptyObserver) {\n context = Object.create(observerOrNext);\n if (isFunction(context.unsubscribe)) {\n _this.add(context.unsubscribe.bind(context));\n }\n context.unsubscribe = _this.unsubscribe.bind(_this);\n }\n }\n _this._context = context;\n _this._next = next;\n _this._error = error;\n _this._complete = complete;\n return _this;\n }\n SafeSubscriber.prototype.next = function (value) {\n if (!this.isStopped && this._next) {\n var _parentSubscriber = this._parentSubscriber;\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._next, value);\n }\n else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n var useDeprecatedSynchronousErrorHandling = config.useDeprecatedSynchronousErrorHandling;\n if (this._error) {\n if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._error, err);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, this._error, err);\n this.unsubscribe();\n }\n }\n else if (!_parentSubscriber.syncErrorThrowable) {\n this.unsubscribe();\n if (useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n hostReportError(err);\n }\n else {\n if (useDeprecatedSynchronousErrorHandling) {\n _parentSubscriber.syncErrorValue = err;\n _parentSubscriber.syncErrorThrown = true;\n }\n else {\n hostReportError(err);\n }\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.complete = function () {\n var _this = this;\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n if (this._complete) {\n var wrappedComplete = function () { return _this._complete.call(_this._context); };\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(wrappedComplete);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, wrappedComplete);\n this.unsubscribe();\n }\n }\n else {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) {\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n this.unsubscribe();\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n }\n };\n SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) {\n if (!config.useDeprecatedSynchronousErrorHandling) {\n throw new Error('bad call');\n }\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n parent.syncErrorValue = err;\n parent.syncErrorThrown = true;\n return true;\n }\n else {\n hostReportError(err);\n return true;\n }\n }\n return false;\n };\n SafeSubscriber.prototype._unsubscribe = function () {\n var _parentSubscriber = this._parentSubscriber;\n this._context = null;\n this._parentSubscriber = null;\n _parentSubscriber.unsubscribe();\n };\n return SafeSubscriber;\n}(Subscriber));\nexport { SafeSubscriber };\n//# sourceMappingURL=Subscriber.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var observable = /*@__PURE__*/ (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })();\n//# sourceMappingURL=observable.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function noop() { }\n//# sourceMappingURL=noop.js.map\n","/** PURE_IMPORTS_START _noop PURE_IMPORTS_END */\nimport { noop } from './noop';\nexport function pipe() {\n var fns = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n fns[_i] = arguments[_i];\n }\n return pipeFromArray(fns);\n}\nexport function pipeFromArray(fns) {\n if (!fns) {\n return noop;\n }\n if (fns.length === 1) {\n return fns[0];\n }\n return function piped(input) {\n return fns.reduce(function (prev, fn) { return fn(prev); }, input);\n };\n}\n//# sourceMappingURL=pipe.js.map\n","/** PURE_IMPORTS_START _util_canReportError,_util_toSubscriber,_symbol_observable,_util_pipe,_config PURE_IMPORTS_END */\nimport { canReportError } from './util/canReportError';\nimport { toSubscriber } from './util/toSubscriber';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nvar Observable = /*@__PURE__*/ (function () {\n function Observable(subscribe) {\n this._isScalar = false;\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n Observable.prototype.lift = function (operator) {\n var observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n };\n Observable.prototype.subscribe = function (observerOrNext, error, complete) {\n var operator = this.operator;\n var sink = toSubscriber(observerOrNext, error, complete);\n if (operator) {\n sink.add(operator.call(sink, this.source));\n }\n else {\n sink.add(this.source || (config.useDeprecatedSynchronousErrorHandling && !sink.syncErrorThrowable) ?\n this._subscribe(sink) :\n this._trySubscribe(sink));\n }\n if (config.useDeprecatedSynchronousErrorHandling) {\n if (sink.syncErrorThrowable) {\n sink.syncErrorThrowable = false;\n if (sink.syncErrorThrown) {\n throw sink.syncErrorValue;\n }\n }\n }\n return sink;\n };\n Observable.prototype._trySubscribe = function (sink) {\n try {\n return this._subscribe(sink);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n sink.syncErrorThrown = true;\n sink.syncErrorValue = err;\n }\n if (canReportError(sink)) {\n sink.error(err);\n }\n else {\n console.warn(err);\n }\n }\n };\n Observable.prototype.forEach = function (next, promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var subscription;\n subscription = _this.subscribe(function (value) {\n try {\n next(value);\n }\n catch (err) {\n reject(err);\n if (subscription) {\n subscription.unsubscribe();\n }\n }\n }, reject, resolve);\n });\n };\n Observable.prototype._subscribe = function (subscriber) {\n var source = this.source;\n return source && source.subscribe(subscriber);\n };\n Observable.prototype[Symbol_observable] = function () {\n return this;\n };\n Observable.prototype.pipe = function () {\n var operations = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n operations[_i] = arguments[_i];\n }\n if (operations.length === 0) {\n return this;\n }\n return pipeFromArray(operations)(this);\n };\n Observable.prototype.toPromise = function (promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var value;\n _this.subscribe(function (x) { return value = x; }, function (err) { return reject(err); }, function () { return resolve(value); });\n });\n };\n Observable.create = function (subscribe) {\n return new Observable(subscribe);\n };\n return Observable;\n}());\nexport { Observable };\nfunction getPromiseCtor(promiseCtor) {\n if (!promiseCtor) {\n promiseCtor = config.Promise || Promise;\n }\n if (!promiseCtor) {\n throw new Error('no Promise impl found');\n }\n return promiseCtor;\n}\n//# sourceMappingURL=Observable.js.map\n","/** PURE_IMPORTS_START _Subscriber,_symbol_rxSubscriber,_Observer PURE_IMPORTS_END */\nimport { Subscriber } from '../Subscriber';\nimport { rxSubscriber as rxSubscriberSymbol } from '../symbol/rxSubscriber';\nimport { empty as emptyObserver } from '../Observer';\nexport function toSubscriber(nextOrObserver, error, complete) {\n if (nextOrObserver) {\n if (nextOrObserver instanceof Subscriber) {\n return nextOrObserver;\n }\n if (nextOrObserver[rxSubscriberSymbol]) {\n return nextOrObserver[rxSubscriberSymbol]();\n }\n }\n if (!nextOrObserver && !error && !complete) {\n return new Subscriber(emptyObserver);\n }\n return new Subscriber(nextOrObserver, error, complete);\n}\n//# sourceMappingURL=toSubscriber.js.map\n","/** PURE_IMPORTS_START _Subscriber PURE_IMPORTS_END */\nimport { Subscriber } from '../Subscriber';\nexport function canReportError(observer) {\n while (observer) {\n var _a = observer, closed_1 = _a.closed, destination = _a.destination, isStopped = _a.isStopped;\n if (closed_1 || isStopped) {\n return false;\n }\n else if (destination && destination instanceof Subscriber) {\n observer = destination;\n }\n else {\n observer = null;\n }\n }\n return true;\n}\n//# sourceMappingURL=canReportError.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ObjectUnsubscribedErrorImpl = /*@__PURE__*/ (function () {\n function ObjectUnsubscribedErrorImpl() {\n Error.call(this);\n this.message = 'object unsubscribed';\n this.name = 'ObjectUnsubscribedError';\n return this;\n }\n ObjectUnsubscribedErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return ObjectUnsubscribedErrorImpl;\n})();\nexport var ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;\n//# sourceMappingURL=ObjectUnsubscribedError.js.map\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from './Subscription';\nvar SubjectSubscription = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SubjectSubscription, _super);\n function SubjectSubscription(subject, subscriber) {\n var _this = _super.call(this) || this;\n _this.subject = subject;\n _this.subscriber = subscriber;\n _this.closed = false;\n return _this;\n }\n SubjectSubscription.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.closed = true;\n var subject = this.subject;\n var observers = subject.observers;\n this.subject = null;\n if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {\n return;\n }\n var subscriberIndex = observers.indexOf(this.subscriber);\n if (subscriberIndex !== -1) {\n observers.splice(subscriberIndex, 1);\n }\n };\n return SubjectSubscription;\n}(Subscription));\nexport { SubjectSubscription };\n//# sourceMappingURL=SubjectSubscription.js.map\n","/** PURE_IMPORTS_START tslib,_Observable,_Subscriber,_Subscription,_util_ObjectUnsubscribedError,_SubjectSubscription,_internal_symbol_rxSubscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nvar SubjectSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SubjectSubscriber, _super);\n function SubjectSubscriber(destination) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n return _this;\n }\n return SubjectSubscriber;\n}(Subscriber));\nexport { SubjectSubscriber };\nvar Subject = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(Subject, _super);\n function Subject() {\n var _this = _super.call(this) || this;\n _this.observers = [];\n _this.closed = false;\n _this.isStopped = false;\n _this.hasError = false;\n _this.thrownError = null;\n return _this;\n }\n Subject.prototype[rxSubscriberSymbol] = function () {\n return new SubjectSubscriber(this);\n };\n Subject.prototype.lift = function (operator) {\n var subject = new AnonymousSubject(this, this);\n subject.operator = operator;\n return subject;\n };\n Subject.prototype.next = function (value) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n if (!this.isStopped) {\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].next(value);\n }\n }\n };\n Subject.prototype.error = function (err) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.hasError = true;\n this.thrownError = err;\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].error(err);\n }\n this.observers.length = 0;\n };\n Subject.prototype.complete = function () {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].complete();\n }\n this.observers.length = 0;\n };\n Subject.prototype.unsubscribe = function () {\n this.isStopped = true;\n this.closed = true;\n this.observers = null;\n };\n Subject.prototype._trySubscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else {\n return _super.prototype._trySubscribe.call(this, subscriber);\n }\n };\n Subject.prototype._subscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.hasError) {\n subscriber.error(this.thrownError);\n return Subscription.EMPTY;\n }\n else if (this.isStopped) {\n subscriber.complete();\n return Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n return new SubjectSubscription(this, subscriber);\n }\n };\n Subject.prototype.asObservable = function () {\n var observable = new Observable();\n observable.source = this;\n return observable;\n };\n Subject.create = function (destination, source) {\n return new AnonymousSubject(destination, source);\n };\n return Subject;\n}(Observable));\nexport { Subject };\nvar AnonymousSubject = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AnonymousSubject, _super);\n function AnonymousSubject(destination, source) {\n var _this = _super.call(this) || this;\n _this.destination = destination;\n _this.source = source;\n return _this;\n }\n AnonymousSubject.prototype.next = function (value) {\n var destination = this.destination;\n if (destination && destination.next) {\n destination.next(value);\n }\n };\n AnonymousSubject.prototype.error = function (err) {\n var destination = this.destination;\n if (destination && destination.error) {\n this.destination.error(err);\n }\n };\n AnonymousSubject.prototype.complete = function () {\n var destination = this.destination;\n if (destination && destination.complete) {\n this.destination.complete();\n }\n };\n AnonymousSubject.prototype._subscribe = function (subscriber) {\n var source = this.source;\n if (source) {\n return this.source.subscribe(subscriber);\n }\n else {\n return Subscription.EMPTY;\n }\n };\n return AnonymousSubject;\n}(Subject));\nexport { AnonymousSubject };\n//# sourceMappingURL=Subject.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isScheduler(value) {\n return value && typeof value.schedule === 'function';\n}\n//# sourceMappingURL=isScheduler.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var subscribeToArray = function (array) {\n return function (subscriber) {\n for (var i = 0, len = array.length; i < len && !subscriber.closed; i++) {\n subscriber.next(array[i]);\n }\n subscriber.complete();\n };\n};\n//# sourceMappingURL=subscribeToArray.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function scheduleArray(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var i = 0;\n sub.add(scheduler.schedule(function () {\n if (i === input.length) {\n subscriber.complete();\n return;\n }\n subscriber.next(input[i++]);\n if (!subscriber.closed) {\n sub.add(this.schedule());\n }\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleArray.js.map\n","/** PURE_IMPORTS_START _Observable,_util_subscribeToArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { subscribeToArray } from '../util/subscribeToArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function fromArray(input, scheduler) {\n if (!scheduler) {\n return new Observable(subscribeToArray(input));\n }\n else {\n return scheduleArray(input, scheduler);\n }\n}\n//# sourceMappingURL=fromArray.js.map\n","/** PURE_IMPORTS_START _util_isScheduler,_fromArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { isScheduler } from '../util/isScheduler';\nimport { fromArray } from './fromArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function of() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = args[args.length - 1];\n if (isScheduler(scheduler)) {\n args.pop();\n return scheduleArray(args, scheduler);\n }\n else {\n return fromArray(args);\n }\n}\n//# sourceMappingURL=of.js.map\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nexport var EMPTY = /*@__PURE__*/ new Observable(function (subscriber) { return subscriber.complete(); });\nexport function empty(scheduler) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\nfunction emptyScheduled(scheduler) {\n return new Observable(function (subscriber) { return scheduler.schedule(function () { return subscriber.complete(); }); });\n}\n//# sourceMappingURL=empty.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function map(project, thisArg) {\n return function mapOperation(source) {\n if (typeof project !== 'function') {\n throw new TypeError('argument is not a function. Are you looking for `mapTo()`?');\n }\n return source.lift(new MapOperator(project, thisArg));\n };\n}\nvar MapOperator = /*@__PURE__*/ (function () {\n function MapOperator(project, thisArg) {\n this.project = project;\n this.thisArg = thisArg;\n }\n MapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg));\n };\n return MapOperator;\n}());\nexport { MapOperator };\nvar MapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MapSubscriber, _super);\n function MapSubscriber(destination, project, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.count = 0;\n _this.thisArg = thisArg || _this;\n return _this;\n }\n MapSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.project.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return MapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=map.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = /*@__PURE__*/ getSymbolIterator();\nexport var $$iterator = iterator;\n//# sourceMappingURL=iterator.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n//# sourceMappingURL=isArrayLike.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isPromise(value) {\n return !!value && typeof value.subscribe !== 'function' && typeof value.then === 'function';\n}\n//# sourceMappingURL=isPromise.js.map\n","/** PURE_IMPORTS_START _subscribeToArray,_subscribeToPromise,_subscribeToIterable,_subscribeToObservable,_isArrayLike,_isPromise,_isObject,_symbol_iterator,_symbol_observable PURE_IMPORTS_END */\nimport { subscribeToArray } from './subscribeToArray';\nimport { subscribeToPromise } from './subscribeToPromise';\nimport { subscribeToIterable } from './subscribeToIterable';\nimport { subscribeToObservable } from './subscribeToObservable';\nimport { isArrayLike } from './isArrayLike';\nimport { isPromise } from './isPromise';\nimport { isObject } from './isObject';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeTo = function (result) {\n if (!!result && typeof result[Symbol_observable] === 'function') {\n return subscribeToObservable(result);\n }\n else if (isArrayLike(result)) {\n return subscribeToArray(result);\n }\n else if (isPromise(result)) {\n return subscribeToPromise(result);\n }\n else if (!!result && typeof result[Symbol_iterator] === 'function') {\n return subscribeToIterable(result);\n }\n else {\n var value = isObject(result) ? 'an invalid object' : \"'\" + result + \"'\";\n var msg = \"You provided \" + value + \" where a stream was expected.\"\n + ' You can provide an Observable, Promise, Array, or Iterable.';\n throw new TypeError(msg);\n }\n};\n//# sourceMappingURL=subscribeTo.js.map\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeToObservable = function (obj) {\n return function (subscriber) {\n var obs = obj[Symbol_observable]();\n if (typeof obs.subscribe !== 'function') {\n throw new TypeError('Provided object does not correctly implement Symbol.observable');\n }\n else {\n return obs.subscribe(subscriber);\n }\n };\n};\n//# sourceMappingURL=subscribeToObservable.js.map\n","/** PURE_IMPORTS_START _hostReportError PURE_IMPORTS_END */\nimport { hostReportError } from './hostReportError';\nexport var subscribeToPromise = function (promise) {\n return function (subscriber) {\n promise.then(function (value) {\n if (!subscriber.closed) {\n subscriber.next(value);\n subscriber.complete();\n }\n }, function (err) { return subscriber.error(err); })\n .then(null, hostReportError);\n return subscriber;\n };\n};\n//# sourceMappingURL=subscribeToPromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport var subscribeToIterable = function (iterable) {\n return function (subscriber) {\n var iterator = iterable[Symbol_iterator]();\n do {\n var item = iterator.next();\n if (item.done) {\n subscriber.complete();\n break;\n }\n subscriber.next(item.value);\n if (subscriber.closed) {\n break;\n }\n } while (true);\n if (typeof iterator.return === 'function') {\n subscriber.add(function () {\n if (iterator.return) {\n iterator.return();\n }\n });\n }\n return subscriber;\n };\n};\n//# sourceMappingURL=subscribeToIterable.js.map\n","/** PURE_IMPORTS_START _scheduleObservable,_schedulePromise,_scheduleArray,_scheduleIterable,_util_isInteropObservable,_util_isPromise,_util_isArrayLike,_util_isIterable PURE_IMPORTS_END */\nimport { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nexport function scheduled(input, scheduler) {\n if (input != null) {\n if (isInteropObservable(input)) {\n return scheduleObservable(input, scheduler);\n }\n else if (isPromise(input)) {\n return schedulePromise(input, scheduler);\n }\n else if (isArrayLike(input)) {\n return scheduleArray(input, scheduler);\n }\n else if (isIterable(input) || typeof input === 'string') {\n return scheduleIterable(input, scheduler);\n }\n }\n throw new TypeError((input !== null && typeof input || input) + ' is not observable');\n}\n//# sourceMappingURL=scheduled.js.map\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function isInteropObservable(input) {\n return input && typeof input[Symbol_observable] === 'function';\n}\n//# sourceMappingURL=isInteropObservable.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function scheduleObservable(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () {\n var observable = input[Symbol_observable]();\n sub.add(observable.subscribe({\n next: function (value) { sub.add(scheduler.schedule(function () { return subscriber.next(value); })); },\n error: function (err) { sub.add(scheduler.schedule(function () { return subscriber.error(err); })); },\n complete: function () { sub.add(scheduler.schedule(function () { return subscriber.complete(); })); },\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleObservable.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function schedulePromise(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () {\n return input.then(function (value) {\n sub.add(scheduler.schedule(function () {\n subscriber.next(value);\n sub.add(scheduler.schedule(function () { return subscriber.complete(); }));\n }));\n }, function (err) {\n sub.add(scheduler.schedule(function () { return subscriber.error(err); }));\n });\n }));\n return sub;\n });\n}\n//# sourceMappingURL=schedulePromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function isIterable(input) {\n return input && typeof input[Symbol_iterator] === 'function';\n}\n//# sourceMappingURL=isIterable.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_iterator PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function scheduleIterable(input, scheduler) {\n if (!input) {\n throw new Error('Iterable cannot be null');\n }\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var iterator;\n sub.add(function () {\n if (iterator && typeof iterator.return === 'function') {\n iterator.return();\n }\n });\n sub.add(scheduler.schedule(function () {\n iterator = input[Symbol_iterator]();\n sub.add(scheduler.schedule(function () {\n if (subscriber.closed) {\n return;\n }\n var value;\n var done;\n try {\n var result = iterator.next();\n value = result.value;\n done = result.done;\n }\n catch (err) {\n subscriber.error(err);\n return;\n }\n if (done) {\n subscriber.complete();\n }\n else {\n subscriber.next(value);\n this.schedule();\n }\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleIterable.js.map\n","/** PURE_IMPORTS_START _Observable,_util_subscribeTo,_scheduled_scheduled PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { subscribeTo } from '../util/subscribeTo';\nimport { scheduled } from '../scheduled/scheduled';\nexport function from(input, scheduler) {\n if (!scheduler) {\n if (input instanceof Observable) {\n return input;\n }\n return new Observable(subscribeTo(input));\n }\n else {\n return scheduled(input, scheduler);\n }\n}\n//# sourceMappingURL=from.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_operators_map,_util_isObject,_from PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { map } from '../operators/map';\nimport { isObject } from '../util/isObject';\nimport { from } from './from';\nexport function forkJoin() {\n var sources = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n sources[_i] = arguments[_i];\n }\n if (sources.length === 1) {\n var first_1 = sources[0];\n if (isArray(first_1)) {\n return forkJoinInternal(first_1, null);\n }\n if (isObject(first_1) && Object.getPrototypeOf(first_1) === Object.prototype) {\n var keys = Object.keys(first_1);\n return forkJoinInternal(keys.map(function (key) { return first_1[key]; }), keys);\n }\n }\n if (typeof sources[sources.length - 1] === 'function') {\n var resultSelector_1 = sources.pop();\n sources = (sources.length === 1 && isArray(sources[0])) ? sources[0] : sources;\n return forkJoinInternal(sources, null).pipe(map(function (args) { return resultSelector_1.apply(void 0, args); }));\n }\n return forkJoinInternal(sources, null);\n}\nfunction forkJoinInternal(sources, keys) {\n return new Observable(function (subscriber) {\n var len = sources.length;\n if (len === 0) {\n subscriber.complete();\n return;\n }\n var values = new Array(len);\n var completed = 0;\n var emitted = 0;\n var _loop_1 = function (i) {\n var source = from(sources[i]);\n var hasValue = false;\n subscriber.add(source.subscribe({\n next: function (value) {\n if (!hasValue) {\n hasValue = true;\n emitted++;\n }\n values[i] = value;\n },\n error: function (err) { return subscriber.error(err); },\n complete: function () {\n completed++;\n if (completed === len || !hasValue) {\n if (emitted === len) {\n subscriber.next(keys ?\n keys.reduce(function (result, key, i) { return (result[key] = values[i], result); }, {}) :\n values);\n }\n subscriber.complete();\n }\n }\n }));\n };\n for (var i = 0; i < len; i++) {\n _loop_1(i);\n }\n });\n}\n//# sourceMappingURL=forkJoin.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nvar toString = /*@__PURE__*/ (function () { return Object.prototype.toString; })();\nexport function fromEvent(target, eventName, options, resultSelector) {\n if (isFunction(options)) {\n resultSelector = options;\n options = undefined;\n }\n if (resultSelector) {\n return fromEvent(target, eventName, options).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n function handler(e) {\n if (arguments.length > 1) {\n subscriber.next(Array.prototype.slice.call(arguments));\n }\n else {\n subscriber.next(e);\n }\n }\n setupSubscription(target, eventName, handler, subscriber, options);\n });\n}\nfunction setupSubscription(sourceObj, eventName, handler, subscriber, options) {\n var unsubscribe;\n if (isEventTarget(sourceObj)) {\n var source_1 = sourceObj;\n sourceObj.addEventListener(eventName, handler, options);\n unsubscribe = function () { return source_1.removeEventListener(eventName, handler, options); };\n }\n else if (isJQueryStyleEventEmitter(sourceObj)) {\n var source_2 = sourceObj;\n sourceObj.on(eventName, handler);\n unsubscribe = function () { return source_2.off(eventName, handler); };\n }\n else if (isNodeStyleEventEmitter(sourceObj)) {\n var source_3 = sourceObj;\n sourceObj.addListener(eventName, handler);\n unsubscribe = function () { return source_3.removeListener(eventName, handler); };\n }\n else if (sourceObj && sourceObj.length) {\n for (var i = 0, len = sourceObj.length; i < len; i++) {\n setupSubscription(sourceObj[i], eventName, handler, subscriber, options);\n }\n }\n else {\n throw new TypeError('Invalid event target');\n }\n subscriber.add(unsubscribe);\n}\nfunction isNodeStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.addListener === 'function' && typeof sourceObj.removeListener === 'function';\n}\nfunction isJQueryStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.on === 'function' && typeof sourceObj.off === 'function';\n}\nfunction isEventTarget(sourceObj) {\n return sourceObj && typeof sourceObj.addEventListener === 'function' && typeof sourceObj.removeEventListener === 'function';\n}\n//# sourceMappingURL=fromEvent.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar InnerSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(InnerSubscriber, _super);\n function InnerSubscriber(parent, outerValue, outerIndex) {\n var _this = _super.call(this) || this;\n _this.parent = parent;\n _this.outerValue = outerValue;\n _this.outerIndex = outerIndex;\n _this.index = 0;\n return _this;\n }\n InnerSubscriber.prototype._next = function (value) {\n this.parent.notifyNext(this.outerValue, value, this.outerIndex, this.index++, this);\n };\n InnerSubscriber.prototype._error = function (error) {\n this.parent.notifyError(error, this);\n this.unsubscribe();\n };\n InnerSubscriber.prototype._complete = function () {\n this.parent.notifyComplete(this);\n this.unsubscribe();\n };\n return InnerSubscriber;\n}(Subscriber));\nexport { InnerSubscriber };\n//# sourceMappingURL=InnerSubscriber.js.map\n","/** PURE_IMPORTS_START _InnerSubscriber,_subscribeTo,_Observable PURE_IMPORTS_END */\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeTo } from './subscribeTo';\nimport { Observable } from '../Observable';\nexport function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, destination) {\n if (destination === void 0) {\n destination = new InnerSubscriber(outerSubscriber, outerValue, outerIndex);\n }\n if (destination.closed) {\n return undefined;\n }\n if (result instanceof Observable) {\n return result.subscribe(destination);\n }\n return subscribeTo(result)(destination);\n}\n//# sourceMappingURL=subscribeToResult.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar OuterSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(OuterSubscriber, _super);\n function OuterSubscriber() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n OuterSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n OuterSubscriber.prototype.notifyError = function (error, innerSub) {\n this.destination.error(error);\n };\n OuterSubscriber.prototype.notifyComplete = function (innerSub) {\n this.destination.complete();\n };\n return OuterSubscriber;\n}(Subscriber));\nexport { OuterSubscriber };\n//# sourceMappingURL=OuterSubscriber.js.map\n","/** PURE_IMPORTS_START tslib,_util_subscribeToResult,_OuterSubscriber,_InnerSubscriber,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function mergeMap(project, resultSelector, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(mergeMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); }, concurrent)); };\n }\n else if (typeof resultSelector === 'number') {\n concurrent = resultSelector;\n }\n return function (source) { return source.lift(new MergeMapOperator(project, concurrent)); };\n}\nvar MergeMapOperator = /*@__PURE__*/ (function () {\n function MergeMapOperator(project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n this.project = project;\n this.concurrent = concurrent;\n }\n MergeMapOperator.prototype.call = function (observer, source) {\n return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));\n };\n return MergeMapOperator;\n}());\nexport { MergeMapOperator };\nvar MergeMapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MergeMapSubscriber, _super);\n function MergeMapSubscriber(destination, project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.concurrent = concurrent;\n _this.hasCompleted = false;\n _this.buffer = [];\n _this.active = 0;\n _this.index = 0;\n return _this;\n }\n MergeMapSubscriber.prototype._next = function (value) {\n if (this.active < this.concurrent) {\n this._tryNext(value);\n }\n else {\n this.buffer.push(value);\n }\n };\n MergeMapSubscriber.prototype._tryNext = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.active++;\n this._innerSub(result, value, index);\n };\n MergeMapSubscriber.prototype._innerSub = function (ish, value, index) {\n var innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n subscribeToResult(this, ish, value, index, innerSubscriber);\n };\n MergeMapSubscriber.prototype._complete = function () {\n this.hasCompleted = true;\n if (this.active === 0 && this.buffer.length === 0) {\n this.destination.complete();\n }\n this.unsubscribe();\n };\n MergeMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n MergeMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var buffer = this.buffer;\n this.remove(innerSub);\n this.active--;\n if (buffer.length > 0) {\n this._next(buffer.shift());\n }\n else if (this.active === 0 && this.hasCompleted) {\n this.destination.complete();\n }\n };\n return MergeMapSubscriber;\n}(OuterSubscriber));\nexport { MergeMapSubscriber };\n//# sourceMappingURL=mergeMap.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function identity(x) {\n return x;\n}\n//# sourceMappingURL=identity.js.map\n","/** PURE_IMPORTS_START _mergeMap,_util_identity PURE_IMPORTS_END */\nimport { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n return mergeMap(identity, concurrent);\n}\n//# sourceMappingURL=mergeAll.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isScheduler,_operators_mergeAll,_fromArray PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isScheduler } from '../util/isScheduler';\nimport { mergeAll } from '../operators/mergeAll';\nimport { fromArray } from './fromArray';\nexport function merge() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var concurrent = Number.POSITIVE_INFINITY;\n var scheduler = null;\n var last = observables[observables.length - 1];\n if (isScheduler(last)) {\n scheduler = observables.pop();\n if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {\n concurrent = observables.pop();\n }\n }\n else if (typeof last === 'number') {\n concurrent = observables.pop();\n }\n if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {\n return observables[0];\n }\n return mergeAll(concurrent)(fromArray(observables, scheduler));\n}\n//# sourceMappingURL=merge.js.map\n","/** PURE_IMPORTS_START tslib,_.._util_root,_.._Observable,_.._Subscriber,_.._operators_map PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { root } from '../../util/root';\nimport { Observable } from '../../Observable';\nimport { Subscriber } from '../../Subscriber';\nimport { map } from '../../operators/map';\nfunction getCORSRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else if (!!root.XDomainRequest) {\n return new root.XDomainRequest();\n }\n else {\n throw new Error('CORS is not supported by your browser');\n }\n}\nfunction getXMLHttpRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else {\n var progId = void 0;\n try {\n var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];\n for (var i = 0; i < 3; i++) {\n try {\n progId = progIds[i];\n if (new root.ActiveXObject(progId)) {\n break;\n }\n }\n catch (e) {\n }\n }\n return new root.ActiveXObject(progId);\n }\n catch (e) {\n throw new Error('XMLHttpRequest is not supported by your browser');\n }\n }\n}\nexport function ajaxGet(url, headers) {\n if (headers === void 0) {\n headers = null;\n }\n return new AjaxObservable({ method: 'GET', url: url, headers: headers });\n}\nexport function ajaxPost(url, body, headers) {\n return new AjaxObservable({ method: 'POST', url: url, body: body, headers: headers });\n}\nexport function ajaxDelete(url, headers) {\n return new AjaxObservable({ method: 'DELETE', url: url, headers: headers });\n}\nexport function ajaxPut(url, body, headers) {\n return new AjaxObservable({ method: 'PUT', url: url, body: body, headers: headers });\n}\nexport function ajaxPatch(url, body, headers) {\n return new AjaxObservable({ method: 'PATCH', url: url, body: body, headers: headers });\n}\nvar mapResponse = /*@__PURE__*/ map(function (x, index) { return x.response; });\nexport function ajaxGetJSON(url, headers) {\n return mapResponse(new AjaxObservable({\n method: 'GET',\n url: url,\n responseType: 'json',\n headers: headers\n }));\n}\nvar AjaxObservable = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AjaxObservable, _super);\n function AjaxObservable(urlOrRequest) {\n var _this = _super.call(this) || this;\n var request = {\n async: true,\n createXHR: function () {\n return this.crossDomain ? getCORSRequest() : getXMLHttpRequest();\n },\n crossDomain: true,\n withCredentials: false,\n headers: {},\n method: 'GET',\n responseType: 'json',\n timeout: 0\n };\n if (typeof urlOrRequest === 'string') {\n request.url = urlOrRequest;\n }\n else {\n for (var prop in urlOrRequest) {\n if (urlOrRequest.hasOwnProperty(prop)) {\n request[prop] = urlOrRequest[prop];\n }\n }\n }\n _this.request = request;\n return _this;\n }\n AjaxObservable.prototype._subscribe = function (subscriber) {\n return new AjaxSubscriber(subscriber, this.request);\n };\n AjaxObservable.create = (function () {\n var create = function (urlOrRequest) {\n return new AjaxObservable(urlOrRequest);\n };\n create.get = ajaxGet;\n create.post = ajaxPost;\n create.delete = ajaxDelete;\n create.put = ajaxPut;\n create.patch = ajaxPatch;\n create.getJSON = ajaxGetJSON;\n return create;\n })();\n return AjaxObservable;\n}(Observable));\nexport { AjaxObservable };\nvar AjaxSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AjaxSubscriber, _super);\n function AjaxSubscriber(destination, request) {\n var _this = _super.call(this, destination) || this;\n _this.request = request;\n _this.done = false;\n var headers = request.headers = request.headers || {};\n if (!request.crossDomain && !_this.getHeader(headers, 'X-Requested-With')) {\n headers['X-Requested-With'] = 'XMLHttpRequest';\n }\n var contentTypeHeader = _this.getHeader(headers, 'Content-Type');\n if (!contentTypeHeader && !(root.FormData && request.body instanceof root.FormData) && typeof request.body !== 'undefined') {\n headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';\n }\n request.body = _this.serializeBody(request.body, _this.getHeader(request.headers, 'Content-Type'));\n _this.send();\n return _this;\n }\n AjaxSubscriber.prototype.next = function (e) {\n this.done = true;\n var _a = this, xhr = _a.xhr, request = _a.request, destination = _a.destination;\n var result;\n try {\n result = new AjaxResponse(e, xhr, request);\n }\n catch (err) {\n return destination.error(err);\n }\n destination.next(result);\n };\n AjaxSubscriber.prototype.send = function () {\n var _a = this, request = _a.request, _b = _a.request, user = _b.user, method = _b.method, url = _b.url, async = _b.async, password = _b.password, headers = _b.headers, body = _b.body;\n try {\n var xhr = this.xhr = request.createXHR();\n this.setupEvents(xhr, request);\n if (user) {\n xhr.open(method, url, async, user, password);\n }\n else {\n xhr.open(method, url, async);\n }\n if (async) {\n xhr.timeout = request.timeout;\n xhr.responseType = request.responseType;\n }\n if ('withCredentials' in xhr) {\n xhr.withCredentials = !!request.withCredentials;\n }\n this.setHeaders(xhr, headers);\n if (body) {\n xhr.send(body);\n }\n else {\n xhr.send();\n }\n }\n catch (err) {\n this.error(err);\n }\n };\n AjaxSubscriber.prototype.serializeBody = function (body, contentType) {\n if (!body || typeof body === 'string') {\n return body;\n }\n else if (root.FormData && body instanceof root.FormData) {\n return body;\n }\n if (contentType) {\n var splitIndex = contentType.indexOf(';');\n if (splitIndex !== -1) {\n contentType = contentType.substring(0, splitIndex);\n }\n }\n switch (contentType) {\n case 'application/x-www-form-urlencoded':\n return Object.keys(body).map(function (key) { return encodeURIComponent(key) + \"=\" + encodeURIComponent(body[key]); }).join('&');\n case 'application/json':\n return JSON.stringify(body);\n default:\n return body;\n }\n };\n AjaxSubscriber.prototype.setHeaders = function (xhr, headers) {\n for (var key in headers) {\n if (headers.hasOwnProperty(key)) {\n xhr.setRequestHeader(key, headers[key]);\n }\n }\n };\n AjaxSubscriber.prototype.getHeader = function (headers, headerName) {\n for (var key in headers) {\n if (key.toLowerCase() === headerName.toLowerCase()) {\n return headers[key];\n }\n }\n return undefined;\n };\n AjaxSubscriber.prototype.setupEvents = function (xhr, request) {\n var progressSubscriber = request.progressSubscriber;\n function xhrTimeout(e) {\n var _a = xhrTimeout, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxTimeoutError(this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n xhr.ontimeout = xhrTimeout;\n xhrTimeout.request = request;\n xhrTimeout.subscriber = this;\n xhrTimeout.progressSubscriber = progressSubscriber;\n if (xhr.upload && 'withCredentials' in xhr) {\n if (progressSubscriber) {\n var xhrProgress_1;\n xhrProgress_1 = function (e) {\n var progressSubscriber = xhrProgress_1.progressSubscriber;\n progressSubscriber.next(e);\n };\n if (root.XDomainRequest) {\n xhr.onprogress = xhrProgress_1;\n }\n else {\n xhr.upload.onprogress = xhrProgress_1;\n }\n xhrProgress_1.progressSubscriber = progressSubscriber;\n }\n var xhrError_1;\n xhrError_1 = function (e) {\n var _a = xhrError_1, progressSubscriber = _a.progressSubscriber, subscriber = _a.subscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxError('ajax error', this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n };\n xhr.onerror = xhrError_1;\n xhrError_1.request = request;\n xhrError_1.subscriber = this;\n xhrError_1.progressSubscriber = progressSubscriber;\n }\n function xhrReadyStateChange(e) {\n return;\n }\n xhr.onreadystatechange = xhrReadyStateChange;\n xhrReadyStateChange.subscriber = this;\n xhrReadyStateChange.progressSubscriber = progressSubscriber;\n xhrReadyStateChange.request = request;\n function xhrLoad(e) {\n var _a = xhrLoad, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (this.readyState === 4) {\n var status_1 = this.status === 1223 ? 204 : this.status;\n var response = (this.responseType === 'text' ? (this.response || this.responseText) : this.response);\n if (status_1 === 0) {\n status_1 = response ? 200 : 0;\n }\n if (status_1 < 400) {\n if (progressSubscriber) {\n progressSubscriber.complete();\n }\n subscriber.next(e);\n subscriber.complete();\n }\n else {\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error = void 0;\n try {\n error = new AjaxError('ajax error ' + status_1, this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n }\n }\n xhr.onload = xhrLoad;\n xhrLoad.subscriber = this;\n xhrLoad.progressSubscriber = progressSubscriber;\n xhrLoad.request = request;\n };\n AjaxSubscriber.prototype.unsubscribe = function () {\n var _a = this, done = _a.done, xhr = _a.xhr;\n if (!done && xhr && xhr.readyState !== 4 && typeof xhr.abort === 'function') {\n xhr.abort();\n }\n _super.prototype.unsubscribe.call(this);\n };\n return AjaxSubscriber;\n}(Subscriber));\nexport { AjaxSubscriber };\nvar AjaxResponse = /*@__PURE__*/ (function () {\n function AjaxResponse(originalEvent, xhr, request) {\n this.originalEvent = originalEvent;\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n }\n return AjaxResponse;\n}());\nexport { AjaxResponse };\nvar AjaxErrorImpl = /*@__PURE__*/ (function () {\n function AjaxErrorImpl(message, xhr, request) {\n Error.call(this);\n this.message = message;\n this.name = 'AjaxError';\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n return this;\n }\n AjaxErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return AjaxErrorImpl;\n})();\nexport var AjaxError = AjaxErrorImpl;\nfunction parseJson(xhr) {\n if ('response' in xhr) {\n return xhr.responseType ? xhr.response : JSON.parse(xhr.response || xhr.responseText || 'null');\n }\n else {\n return JSON.parse(xhr.responseText || 'null');\n }\n}\nfunction parseXhrResponse(responseType, xhr) {\n switch (responseType) {\n case 'json':\n return parseJson(xhr);\n case 'xml':\n return xhr.responseXML;\n case 'text':\n default:\n return ('response' in xhr) ? xhr.response : xhr.responseText;\n }\n}\nfunction AjaxTimeoutErrorImpl(xhr, request) {\n AjaxError.call(this, 'ajax timeout', xhr, request);\n this.name = 'AjaxTimeoutError';\n return this;\n}\nexport var AjaxTimeoutError = AjaxTimeoutErrorImpl;\n//# sourceMappingURL=AjaxObservable.js.map\n","/** PURE_IMPORTS_START _AjaxObservable PURE_IMPORTS_END */\nimport { AjaxObservable } from './AjaxObservable';\nexport var ajax = /*@__PURE__*/ (function () { return AjaxObservable.create; })();\n//# sourceMappingURL=ajax.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function filter(predicate, thisArg) {\n return function filterOperatorFunction(source) {\n return source.lift(new FilterOperator(predicate, thisArg));\n };\n}\nvar FilterOperator = /*@__PURE__*/ (function () {\n function FilterOperator(predicate, thisArg) {\n this.predicate = predicate;\n this.thisArg = thisArg;\n }\n FilterOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));\n };\n return FilterOperator;\n}());\nvar FilterSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(FilterSubscriber, _super);\n function FilterSubscriber(destination, predicate, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.predicate = predicate;\n _this.thisArg = thisArg;\n _this.count = 0;\n return _this;\n }\n FilterSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.predicate.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n if (result) {\n this.destination.next(value);\n }\n };\n return FilterSubscriber;\n}(Subscriber));\n//# sourceMappingURL=filter.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_noop,_util_isFunction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { noop } from '../util/noop';\nimport { isFunction } from '../util/isFunction';\nexport function tap(nextOrObserver, error, complete) {\n return function tapOperatorFunction(source) {\n return source.lift(new DoOperator(nextOrObserver, error, complete));\n };\n}\nvar DoOperator = /*@__PURE__*/ (function () {\n function DoOperator(nextOrObserver, error, complete) {\n this.nextOrObserver = nextOrObserver;\n this.error = error;\n this.complete = complete;\n }\n DoOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));\n };\n return DoOperator;\n}());\nvar TapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(TapSubscriber, _super);\n function TapSubscriber(destination, observerOrNext, error, complete) {\n var _this = _super.call(this, destination) || this;\n _this._tapNext = noop;\n _this._tapError = noop;\n _this._tapComplete = noop;\n _this._tapError = error || noop;\n _this._tapComplete = complete || noop;\n if (isFunction(observerOrNext)) {\n _this._context = _this;\n _this._tapNext = observerOrNext;\n }\n else if (observerOrNext) {\n _this._context = observerOrNext;\n _this._tapNext = observerOrNext.next || noop;\n _this._tapError = observerOrNext.error || noop;\n _this._tapComplete = observerOrNext.complete || noop;\n }\n return _this;\n }\n TapSubscriber.prototype._next = function (value) {\n try {\n this._tapNext.call(this._context, value);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(value);\n };\n TapSubscriber.prototype._error = function (err) {\n try {\n this._tapError.call(this._context, err);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.error(err);\n };\n TapSubscriber.prototype._complete = function () {\n try {\n this._tapComplete.call(this._context);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n return this.destination.complete();\n };\n return TapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=tap.js.map\n","/** PURE_IMPORTS_START _map PURE_IMPORTS_END */\nimport { map } from './map';\nexport function pluck() {\n var properties = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n properties[_i] = arguments[_i];\n }\n var length = properties.length;\n if (length === 0) {\n throw new Error('list of properties cannot be empty.');\n }\n return function (source) { return map(plucker(properties, length))(source); };\n}\nfunction plucker(props, length) {\n var mapper = function (x) {\n var currentProp = x;\n for (var i = 0; i < length; i++) {\n var p = currentProp[props[i]];\n if (typeof p !== 'undefined') {\n currentProp = p;\n }\n else {\n return undefined;\n }\n }\n return currentProp;\n };\n return mapper;\n}\n//# sourceMappingURL=pluck.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ArgumentOutOfRangeErrorImpl = /*@__PURE__*/ (function () {\n function ArgumentOutOfRangeErrorImpl() {\n Error.call(this);\n this.message = 'argument out of range';\n this.name = 'ArgumentOutOfRangeError';\n return this;\n }\n ArgumentOutOfRangeErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return ArgumentOutOfRangeErrorImpl;\n})();\nexport var ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;\n//# sourceMappingURL=ArgumentOutOfRangeError.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_ArgumentOutOfRangeError,_observable_empty PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nexport function take(count) {\n return function (source) {\n if (count === 0) {\n return empty();\n }\n else {\n return source.lift(new TakeOperator(count));\n }\n };\n}\nvar TakeOperator = /*@__PURE__*/ (function () {\n function TakeOperator(total) {\n this.total = total;\n if (this.total < 0) {\n throw new ArgumentOutOfRangeError;\n }\n }\n TakeOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TakeSubscriber(subscriber, this.total));\n };\n return TakeOperator;\n}());\nvar TakeSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(TakeSubscriber, _super);\n function TakeSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n TakeSubscriber.prototype._next = function (value) {\n var total = this.total;\n var count = ++this.count;\n if (count <= total) {\n this.destination.next(value);\n if (count === total) {\n this.destination.complete();\n this.unsubscribe();\n }\n }\n };\n return TakeSubscriber;\n}(Subscriber));\n//# sourceMappingURL=take.js.map\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function switchMap(project, resultSelector) {\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(switchMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); };\n }\n return function (source) { return source.lift(new SwitchMapOperator(project)); };\n}\nvar SwitchMapOperator = /*@__PURE__*/ (function () {\n function SwitchMapOperator(project) {\n this.project = project;\n }\n SwitchMapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));\n };\n return SwitchMapOperator;\n}());\nvar SwitchMapSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SwitchMapSubscriber, _super);\n function SwitchMapSubscriber(destination, project) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.index = 0;\n return _this;\n }\n SwitchMapSubscriber.prototype._next = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (error) {\n this.destination.error(error);\n return;\n }\n this._innerSub(result, value, index);\n };\n SwitchMapSubscriber.prototype._innerSub = function (result, value, index) {\n var innerSubscription = this.innerSubscription;\n if (innerSubscription) {\n innerSubscription.unsubscribe();\n }\n var innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n this.innerSubscription = subscribeToResult(this, result, value, index, innerSubscriber);\n };\n SwitchMapSubscriber.prototype._complete = function () {\n var innerSubscription = this.innerSubscription;\n if (!innerSubscription || innerSubscription.closed) {\n _super.prototype._complete.call(this);\n }\n this.unsubscribe();\n };\n SwitchMapSubscriber.prototype._unsubscribe = function () {\n this.innerSubscription = null;\n };\n SwitchMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var destination = this.destination;\n destination.remove(innerSub);\n this.innerSubscription = null;\n if (this.isStopped) {\n _super.prototype._complete.call(this);\n }\n };\n SwitchMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n return SwitchMapSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=switchMap.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function distinctUntilChanged(compare, keySelector) {\n return function (source) { return source.lift(new DistinctUntilChangedOperator(compare, keySelector)); };\n}\nvar DistinctUntilChangedOperator = /*@__PURE__*/ (function () {\n function DistinctUntilChangedOperator(compare, keySelector) {\n this.compare = compare;\n this.keySelector = keySelector;\n }\n DistinctUntilChangedOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DistinctUntilChangedSubscriber(subscriber, this.compare, this.keySelector));\n };\n return DistinctUntilChangedOperator;\n}());\nvar DistinctUntilChangedSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(DistinctUntilChangedSubscriber, _super);\n function DistinctUntilChangedSubscriber(destination, compare, keySelector) {\n var _this = _super.call(this, destination) || this;\n _this.keySelector = keySelector;\n _this.hasKey = false;\n if (typeof compare === 'function') {\n _this.compare = compare;\n }\n return _this;\n }\n DistinctUntilChangedSubscriber.prototype.compare = function (x, y) {\n return x === y;\n };\n DistinctUntilChangedSubscriber.prototype._next = function (value) {\n var key;\n try {\n var keySelector = this.keySelector;\n key = keySelector ? keySelector(value) : value;\n }\n catch (err) {\n return this.destination.error(err);\n }\n var result = false;\n if (this.hasKey) {\n try {\n var compare = this.compare;\n result = compare(this.key, key);\n }\n catch (err) {\n return this.destination.error(err);\n }\n }\n else {\n this.hasKey = true;\n }\n if (!result) {\n this.key = key;\n this.destination.next(value);\n }\n };\n return DistinctUntilChangedSubscriber;\n}(Subscriber));\n//# sourceMappingURL=distinctUntilChanged.js.map\n","/** PURE_IMPORTS_START _distinctUntilChanged PURE_IMPORTS_END */\nimport { distinctUntilChanged } from './distinctUntilChanged';\nexport function distinctUntilKeyChanged(key, compare) {\n return distinctUntilChanged(function (x, y) { return compare ? compare(x[key], y[key]) : x[key] === y[key]; });\n}\n//# sourceMappingURL=distinctUntilKeyChanged.js.map\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(Action, _super);\n function Action(scheduler, work) {\n return _super.call(this) || this;\n }\n Action.prototype.schedule = function (state, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n//# sourceMappingURL=Action.js.map\n","/** PURE_IMPORTS_START _observable_empty,_observable_of,_observable_throwError PURE_IMPORTS_END */\nimport { empty } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nexport var NotificationKind;\n/*@__PURE__*/ (function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = /*@__PURE__*/ (function () {\n function Notification(kind, value, error) {\n this.kind = kind;\n this.value = value;\n this.error = error;\n this.hasValue = kind === 'N';\n }\n Notification.prototype.observe = function (observer) {\n switch (this.kind) {\n case 'N':\n return observer.next && observer.next(this.value);\n case 'E':\n return observer.error && observer.error(this.error);\n case 'C':\n return observer.complete && observer.complete();\n }\n };\n Notification.prototype.do = function (next, error, complete) {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return next && next(this.value);\n case 'E':\n return error && error(this.error);\n case 'C':\n return complete && complete();\n }\n };\n Notification.prototype.accept = function (nextOrObserver, error, complete) {\n if (nextOrObserver && typeof nextOrObserver.next === 'function') {\n return this.observe(nextOrObserver);\n }\n else {\n return this.do(nextOrObserver, error, complete);\n }\n };\n Notification.prototype.toObservable = function () {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return of(this.value);\n case 'E':\n return throwError(this.error);\n case 'C':\n return empty();\n }\n throw new Error('unexpected notification kind value');\n };\n Notification.createNext = function (value) {\n if (typeof value !== 'undefined') {\n return new Notification('N', value);\n }\n return Notification.undefinedValueNotification;\n };\n Notification.createError = function (err) {\n return new Notification('E', undefined, err);\n };\n Notification.createComplete = function () {\n return Notification.completeNotification;\n };\n Notification.completeNotification = new Notification('C');\n Notification.undefinedValueNotification = new Notification('N', undefined);\n return Notification;\n}());\nexport { Notification };\n//# sourceMappingURL=Notification.js.map\n","/** PURE_IMPORTS_START tslib,_Action PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Action } from './Action';\nvar AsyncAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AsyncAction, _super);\n function AsyncAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n _this.pending = false;\n return _this;\n }\n AsyncAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (this.closed) {\n return this;\n }\n this.state = state;\n var id = this.id;\n var scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = this.id || this.requestAsyncId(scheduler, this.id, delay);\n return this;\n };\n AsyncAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (delay !== null && this.delay === delay && this.pending === false) {\n return id;\n }\n clearInterval(id);\n return undefined;\n };\n AsyncAction.prototype.execute = function (state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n var error = this._execute(state, delay);\n if (error) {\n return error;\n }\n else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n };\n AsyncAction.prototype._execute = function (state, delay) {\n var errored = false;\n var errorValue = undefined;\n try {\n this.work(state);\n }\n catch (e) {\n errored = true;\n errorValue = !!e && e || new Error(e);\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n };\n AsyncAction.prototype._unsubscribe = function () {\n var id = this.id;\n var scheduler = this.scheduler;\n var actions = scheduler.actions;\n var index = actions.indexOf(this);\n this.work = null;\n this.state = null;\n this.pending = false;\n this.scheduler = null;\n if (index !== -1) {\n actions.splice(index, 1);\n }\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n };\n return AsyncAction;\n}(Action));\nexport { AsyncAction };\n//# sourceMappingURL=AsyncAction.js.map\n","var Scheduler = /*@__PURE__*/ (function () {\n function Scheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\n this.SchedulerAction = SchedulerAction;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) {\n delay = 0;\n }\n return new this.SchedulerAction(this, work).schedule(state, delay);\n };\n Scheduler.now = function () { return Date.now(); };\n return Scheduler;\n}());\nexport { Scheduler };\n//# sourceMappingURL=Scheduler.js.map\n","/** PURE_IMPORTS_START tslib,_Scheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\n var _this = _super.call(this, SchedulerAction, function () {\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== _this) {\n return AsyncScheduler.delegate.now();\n }\n else {\n return now();\n }\n }) || this;\n _this.actions = [];\n _this.active = false;\n _this.scheduled = undefined;\n return _this;\n }\n AsyncScheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) {\n delay = 0;\n }\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {\n return AsyncScheduler.delegate.schedule(work, delay, state);\n }\n else {\n return _super.prototype.schedule.call(this, work, delay, state);\n }\n };\n AsyncScheduler.prototype.flush = function (action) {\n var actions = this.actions;\n if (this.active) {\n actions.push(action);\n return;\n }\n var error;\n this.active = true;\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (action = actions.shift());\n this.active = false;\n if (error) {\n while (action = actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AsyncScheduler;\n}(Scheduler));\nexport { AsyncScheduler };\n//# sourceMappingURL=AsyncScheduler.js.map\n","/** PURE_IMPORTS_START _AsyncAction,_AsyncScheduler PURE_IMPORTS_END */\nimport { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var async = /*@__PURE__*/ new AsyncScheduler(AsyncAction);\n//# sourceMappingURL=async.js.map\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nexport function throwError(error, scheduler) {\n if (!scheduler) {\n return new Observable(function (subscriber) { return subscriber.error(error); });\n }\n else {\n return new Observable(function (subscriber) { return scheduler.schedule(dispatch, 0, { error: error, subscriber: subscriber }); });\n }\n}\nfunction dispatch(_a) {\n var error = _a.error, subscriber = _a.subscriber;\n subscriber.error(error);\n}\n//# sourceMappingURL=throwError.js.map\n","/** PURE_IMPORTS_START tslib,_scheduler_async,_util_isDate,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { async } from '../scheduler/async';\nimport { isDate } from '../util/isDate';\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function delay(delay, scheduler) {\n if (scheduler === void 0) {\n scheduler = async;\n }\n var absoluteDelay = isDate(delay);\n var delayFor = absoluteDelay ? (+delay - scheduler.now()) : Math.abs(delay);\n return function (source) { return source.lift(new DelayOperator(delayFor, scheduler)); };\n}\nvar DelayOperator = /*@__PURE__*/ (function () {\n function DelayOperator(delay, scheduler) {\n this.delay = delay;\n this.scheduler = scheduler;\n }\n DelayOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DelaySubscriber(subscriber, this.delay, this.scheduler));\n };\n return DelayOperator;\n}());\nvar DelaySubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(DelaySubscriber, _super);\n function DelaySubscriber(destination, delay, scheduler) {\n var _this = _super.call(this, destination) || this;\n _this.delay = delay;\n _this.scheduler = scheduler;\n _this.queue = [];\n _this.active = false;\n _this.errored = false;\n return _this;\n }\n DelaySubscriber.dispatch = function (state) {\n var source = state.source;\n var queue = source.queue;\n var scheduler = state.scheduler;\n var destination = state.destination;\n while (queue.length > 0 && (queue[0].time - scheduler.now()) <= 0) {\n queue.shift().notification.observe(destination);\n }\n if (queue.length > 0) {\n var delay_1 = Math.max(0, queue[0].time - scheduler.now());\n this.schedule(state, delay_1);\n }\n else {\n this.unsubscribe();\n source.active = false;\n }\n };\n DelaySubscriber.prototype._schedule = function (scheduler) {\n this.active = true;\n var destination = this.destination;\n destination.add(scheduler.schedule(DelaySubscriber.dispatch, this.delay, {\n source: this, destination: this.destination, scheduler: scheduler\n }));\n };\n DelaySubscriber.prototype.scheduleNotification = function (notification) {\n if (this.errored === true) {\n return;\n }\n var scheduler = this.scheduler;\n var message = new DelayMessage(scheduler.now() + this.delay, notification);\n this.queue.push(message);\n if (this.active === false) {\n this._schedule(scheduler);\n }\n };\n DelaySubscriber.prototype._next = function (value) {\n this.scheduleNotification(Notification.createNext(value));\n };\n DelaySubscriber.prototype._error = function (err) {\n this.errored = true;\n this.queue = [];\n this.destination.error(err);\n this.unsubscribe();\n };\n DelaySubscriber.prototype._complete = function () {\n this.scheduleNotification(Notification.createComplete());\n this.unsubscribe();\n };\n return DelaySubscriber;\n}(Subscriber));\nvar DelayMessage = /*@__PURE__*/ (function () {\n function DelayMessage(time, notification) {\n this.time = time;\n this.notification = notification;\n }\n return DelayMessage;\n}());\n//# sourceMappingURL=delay.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isDate(value) {\n return value instanceof Date && !isNaN(+value);\n}\n//# sourceMappingURL=isDate.js.map\n","/** PURE_IMPORTS_START _switchMap PURE_IMPORTS_END */\nimport { switchMap } from './switchMap';\nexport function switchMapTo(innerObservable, resultSelector) {\n return resultSelector ? switchMap(function () { return innerObservable; }, resultSelector) : switchMap(function () { return innerObservable; });\n}\n//# sourceMappingURL=switchMapTo.js.map\n","/** PURE_IMPORTS_START _Observable,_util_noop PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = /*@__PURE__*/ new Observable(noop);\nexport function never() {\n return NEVER;\n}\n//# sourceMappingURL=never.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function scan(accumulator, seed) {\n var hasSeed = false;\n if (arguments.length >= 2) {\n hasSeed = true;\n }\n return function scanOperatorFunction(source) {\n return source.lift(new ScanOperator(accumulator, seed, hasSeed));\n };\n}\nvar ScanOperator = /*@__PURE__*/ (function () {\n function ScanOperator(accumulator, seed, hasSeed) {\n if (hasSeed === void 0) {\n hasSeed = false;\n }\n this.accumulator = accumulator;\n this.seed = seed;\n this.hasSeed = hasSeed;\n }\n ScanOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ScanSubscriber(subscriber, this.accumulator, this.seed, this.hasSeed));\n };\n return ScanOperator;\n}());\nvar ScanSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ScanSubscriber, _super);\n function ScanSubscriber(destination, accumulator, _seed, hasSeed) {\n var _this = _super.call(this, destination) || this;\n _this.accumulator = accumulator;\n _this._seed = _seed;\n _this.hasSeed = hasSeed;\n _this.index = 0;\n return _this;\n }\n Object.defineProperty(ScanSubscriber.prototype, \"seed\", {\n get: function () {\n return this._seed;\n },\n set: function (value) {\n this.hasSeed = true;\n this._seed = value;\n },\n enumerable: true,\n configurable: true\n });\n ScanSubscriber.prototype._next = function (value) {\n if (!this.hasSeed) {\n this.seed = value;\n this.destination.next(value);\n }\n else {\n return this._tryNext(value);\n }\n };\n ScanSubscriber.prototype._tryNext = function (value) {\n var index = this.index++;\n var result;\n try {\n result = this.accumulator(this.seed, value, index);\n }\n catch (err) {\n this.destination.error(err);\n }\n this.seed = result;\n this.destination.next(result);\n };\n return ScanSubscriber;\n}(Subscriber));\n//# sourceMappingURL=scan.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(QueueAction, _super);\n function QueueAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n QueueAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (delay > 0) {\n return _super.prototype.schedule.call(this, state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n };\n QueueAction.prototype.execute = function (state, delay) {\n return (delay > 0 || this.closed) ?\n _super.prototype.execute.call(this, state, delay) :\n this._execute(state, delay);\n };\n QueueAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n return scheduler.flush(this);\n };\n return QueueAction;\n}(AsyncAction));\nexport { QueueAction };\n//# sourceMappingURL=QueueAction.js.map\n","/** PURE_IMPORTS_START _QueueAction,_QueueScheduler PURE_IMPORTS_END */\nimport { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queue = /*@__PURE__*/ new QueueScheduler(QueueAction);\n//# sourceMappingURL=queue.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(QueueScheduler, _super);\n function QueueScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n return QueueScheduler;\n}(AsyncScheduler));\nexport { QueueScheduler };\n//# sourceMappingURL=QueueScheduler.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return function observeOnOperatorFunction(source) {\n return source.lift(new ObserveOnOperator(scheduler, delay));\n };\n}\nvar ObserveOnOperator = /*@__PURE__*/ (function () {\n function ObserveOnOperator(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n this.scheduler = scheduler;\n this.delay = delay;\n }\n ObserveOnOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ObserveOnSubscriber(subscriber, this.scheduler, this.delay));\n };\n return ObserveOnOperator;\n}());\nexport { ObserveOnOperator };\nvar ObserveOnSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ObserveOnSubscriber, _super);\n function ObserveOnSubscriber(destination, scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n var _this = _super.call(this, destination) || this;\n _this.scheduler = scheduler;\n _this.delay = delay;\n return _this;\n }\n ObserveOnSubscriber.dispatch = function (arg) {\n var notification = arg.notification, destination = arg.destination;\n notification.observe(destination);\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype.scheduleMessage = function (notification) {\n var destination = this.destination;\n destination.add(this.scheduler.schedule(ObserveOnSubscriber.dispatch, this.delay, new ObserveOnMessage(notification, this.destination)));\n };\n ObserveOnSubscriber.prototype._next = function (value) {\n this.scheduleMessage(Notification.createNext(value));\n };\n ObserveOnSubscriber.prototype._error = function (err) {\n this.scheduleMessage(Notification.createError(err));\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype._complete = function () {\n this.scheduleMessage(Notification.createComplete());\n this.unsubscribe();\n };\n return ObserveOnSubscriber;\n}(Subscriber));\nexport { ObserveOnSubscriber };\nvar ObserveOnMessage = /*@__PURE__*/ (function () {\n function ObserveOnMessage(notification, destination) {\n this.notification = notification;\n this.destination = destination;\n }\n return ObserveOnMessage;\n}());\nexport { ObserveOnMessage };\n//# sourceMappingURL=observeOn.js.map\n","/** PURE_IMPORTS_START tslib,_Subject,_scheduler_queue,_Subscription,_operators_observeOn,_util_ObjectUnsubscribedError,_SubjectSubscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subject } from './Subject';\nimport { queue } from './scheduler/queue';\nimport { Subscription } from './Subscription';\nimport { ObserveOnSubscriber } from './operators/observeOn';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nvar ReplaySubject = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ReplaySubject, _super);\n function ReplaySubject(bufferSize, windowTime, scheduler) {\n if (bufferSize === void 0) {\n bufferSize = Number.POSITIVE_INFINITY;\n }\n if (windowTime === void 0) {\n windowTime = Number.POSITIVE_INFINITY;\n }\n var _this = _super.call(this) || this;\n _this.scheduler = scheduler;\n _this._events = [];\n _this._infiniteTimeWindow = false;\n _this._bufferSize = bufferSize < 1 ? 1 : bufferSize;\n _this._windowTime = windowTime < 1 ? 1 : windowTime;\n if (windowTime === Number.POSITIVE_INFINITY) {\n _this._infiniteTimeWindow = true;\n _this.next = _this.nextInfiniteTimeWindow;\n }\n else {\n _this.next = _this.nextTimeWindow;\n }\n return _this;\n }\n ReplaySubject.prototype.nextInfiniteTimeWindow = function (value) {\n var _events = this._events;\n _events.push(value);\n if (_events.length > this._bufferSize) {\n _events.shift();\n }\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype.nextTimeWindow = function (value) {\n this._events.push(new ReplayEvent(this._getNow(), value));\n this._trimBufferThenGetEvents();\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype._subscribe = function (subscriber) {\n var _infiniteTimeWindow = this._infiniteTimeWindow;\n var _events = _infiniteTimeWindow ? this._events : this._trimBufferThenGetEvents();\n var scheduler = this.scheduler;\n var len = _events.length;\n var subscription;\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.isStopped || this.hasError) {\n subscription = Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n subscription = new SubjectSubscription(this, subscriber);\n }\n if (scheduler) {\n subscriber.add(subscriber = new ObserveOnSubscriber(subscriber, scheduler));\n }\n if (_infiniteTimeWindow) {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i]);\n }\n }\n else {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i].value);\n }\n }\n if (this.hasError) {\n subscriber.error(this.thrownError);\n }\n else if (this.isStopped) {\n subscriber.complete();\n }\n return subscription;\n };\n ReplaySubject.prototype._getNow = function () {\n return (this.scheduler || queue).now();\n };\n ReplaySubject.prototype._trimBufferThenGetEvents = function () {\n var now = this._getNow();\n var _bufferSize = this._bufferSize;\n var _windowTime = this._windowTime;\n var _events = this._events;\n var eventsCount = _events.length;\n var spliceCount = 0;\n while (spliceCount < eventsCount) {\n if ((now - _events[spliceCount].time) < _windowTime) {\n break;\n }\n spliceCount++;\n }\n if (eventsCount > _bufferSize) {\n spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);\n }\n if (spliceCount > 0) {\n _events.splice(0, spliceCount);\n }\n return _events;\n };\n return ReplaySubject;\n}(Subject));\nexport { ReplaySubject };\nvar ReplayEvent = /*@__PURE__*/ (function () {\n function ReplayEvent(time, value) {\n this.time = time;\n this.value = value;\n }\n return ReplayEvent;\n}());\n//# sourceMappingURL=ReplaySubject.js.map\n","/** PURE_IMPORTS_START _ReplaySubject PURE_IMPORTS_END */\nimport { ReplaySubject } from '../ReplaySubject';\nexport function shareReplay(configOrBufferSize, windowTime, scheduler) {\n var config;\n if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n config = configOrBufferSize;\n }\n else {\n config = {\n bufferSize: configOrBufferSize,\n windowTime: windowTime,\n refCount: false,\n scheduler: scheduler\n };\n }\n return function (source) { return source.lift(shareReplayOperator(config)); };\n}\nfunction shareReplayOperator(_a) {\n var _b = _a.bufferSize, bufferSize = _b === void 0 ? Number.POSITIVE_INFINITY : _b, _c = _a.windowTime, windowTime = _c === void 0 ? Number.POSITIVE_INFINITY : _c, useRefCount = _a.refCount, scheduler = _a.scheduler;\n var subject;\n var refCount = 0;\n var subscription;\n var hasError = false;\n var isComplete = false;\n return function shareReplayOperation(source) {\n refCount++;\n if (!subject || hasError) {\n hasError = false;\n subject = new ReplaySubject(bufferSize, windowTime, scheduler);\n subscription = source.subscribe({\n next: function (value) { subject.next(value); },\n error: function (err) {\n hasError = true;\n subject.error(err);\n },\n complete: function () {\n isComplete = true;\n subject.complete();\n },\n });\n }\n var innerSub = subject.subscribe(this);\n this.add(function () {\n refCount--;\n innerSub.unsubscribe();\n if (subscription && !isComplete && useRefCount && refCount === 0) {\n subscription.unsubscribe();\n subscription = undefined;\n subject = undefined;\n }\n });\n };\n}\n//# sourceMappingURL=shareReplay.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function mapTo(value) {\n return function (source) { return source.lift(new MapToOperator(value)); };\n}\nvar MapToOperator = /*@__PURE__*/ (function () {\n function MapToOperator(value) {\n this.value = value;\n }\n MapToOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapToSubscriber(subscriber, this.value));\n };\n return MapToOperator;\n}());\nvar MapToSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MapToSubscriber, _super);\n function MapToSubscriber(destination, value) {\n var _this = _super.call(this, destination) || this;\n _this.value = value;\n return _this;\n }\n MapToSubscriber.prototype._next = function (x) {\n this.destination.next(this.value);\n };\n return MapToSubscriber;\n}(Subscriber));\n//# sourceMappingURL=mapTo.js.map\n","/** PURE_IMPORTS_START _of,_operators_concatAll PURE_IMPORTS_END */\nimport { of } from './of';\nimport { concatAll } from '../operators/concatAll';\nexport function concat() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n return concatAll()(of.apply(void 0, observables));\n}\n//# sourceMappingURL=concat.js.map\n","/** PURE_IMPORTS_START _mergeAll PURE_IMPORTS_END */\nimport { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n//# sourceMappingURL=concatAll.js.map\n","/** PURE_IMPORTS_START _observable_concat,_util_isScheduler PURE_IMPORTS_END */\nimport { concat } from '../observable/concat';\nimport { isScheduler } from '../util/isScheduler';\nexport function startWith() {\n var array = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n array[_i] = arguments[_i];\n }\n var scheduler = array[array.length - 1];\n if (isScheduler(scheduler)) {\n array.pop();\n return function (source) { return concat(array, source, scheduler); };\n }\n else {\n return function (source) { return concat(array, source); };\n }\n}\n//# sourceMappingURL=startWith.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function skip(count) {\n return function (source) { return source.lift(new SkipOperator(count)); };\n}\nvar SkipOperator = /*@__PURE__*/ (function () {\n function SkipOperator(total) {\n this.total = total;\n }\n SkipOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SkipSubscriber(subscriber, this.total));\n };\n return SkipOperator;\n}());\nvar SkipSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(SkipSubscriber, _super);\n function SkipSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n SkipSubscriber.prototype._next = function (x) {\n if (++this.count > this.total) {\n this.destination.next(x);\n }\n };\n return SkipSubscriber;\n}(Subscriber));\n//# sourceMappingURL=skip.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n distinctUntilChanged,\n map,\n mapTo,\n pluck,\n shareReplay,\n skip,\n startWith,\n switchMap\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Switch options\n */\ninterface SwitchOptions {\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Observable for document load events\n */\nconst load$ = fromEvent(document, \"DOMContentLoaded\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * @return Document observable\n */\nexport function watchDocument(): Observable {\n return load$\n .pipe(\n mapTo(document),\n shareReplay(1)\n )\n}\n\n/**\n * Watch document switch\n *\n * This function returns an observables that fetches a document if the provided\n * location observable emits a new value (i.e. URL). If the emitted URL points\n * to the same page, the request is effectively ignored (e.g. when only the\n * fragment identifier changes).\n *\n * @param options - Options\n *\n * @return Document switch observable\n */\nexport function watchDocumentSwitch(\n { location$ }: SwitchOptions\n): Observable {\n return location$\n .pipe(\n startWith(location.href),\n map(url => url.replace(/#[^#]+$/, \"\")),\n distinctUntilChanged(),\n skip(1),\n\n /* Fetch document */\n switchMap(url => ajax({\n url,\n responseType: \"document\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\")\n )\n ),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Element\n */\nexport function getElement(\n selector: string, node: ParentNode = document\n): T | undefined {\n return node.querySelector(selector) || undefined\n}\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Elements\n */\nexport function getElements(\n selector: string, node: ParentNode = document\n): T[] {\n return Array.from(node.querySelectorAll(selector))\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\n\nimport { Agent } from \"../../_\"\nimport { ViewportSize } from \"../../viewport\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n size$: Observable /* Viewport size observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - HTML element\n *\n * @return Element offset\n */\nexport function getElementOffset(el: HTMLElement): ElementOffset {\n return {\n x: el.scrollLeft,\n y: el.scrollTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n * @param agent - Agent\n *\n * @return Element offset observable\n */\nexport function watchElementOffset(\n el: HTMLElement, { viewport }: Agent\n): Observable {\n const scroll$ = fromEvent(el, \"scroll\")\n return merge(scroll$, viewport.size$)\n .pipe(\n map(() => getElementOffset(el)),\n startWith(getElementOffset(el)),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function refCount() {\n return function refCountOperatorFunction(source) {\n return source.lift(new RefCountOperator(source));\n };\n}\nvar RefCountOperator = /*@__PURE__*/ (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=refCount.js.map\n","/** PURE_IMPORTS_START tslib,_Subject,_Observable,_Subscriber,_Subscription,_operators_refCount PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { SubjectSubscriber } from '../Subject';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { refCount as higherOrderRefCount } from '../operators/refCount';\nvar ConnectableObservable = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ConnectableObservable, _super);\n function ConnectableObservable(source, subjectFactory) {\n var _this = _super.call(this) || this;\n _this.source = source;\n _this.subjectFactory = subjectFactory;\n _this._refCount = 0;\n _this._isComplete = false;\n return _this;\n }\n ConnectableObservable.prototype._subscribe = function (subscriber) {\n return this.getSubject().subscribe(subscriber);\n };\n ConnectableObservable.prototype.getSubject = function () {\n var subject = this._subject;\n if (!subject || subject.isStopped) {\n this._subject = this.subjectFactory();\n }\n return this._subject;\n };\n ConnectableObservable.prototype.connect = function () {\n var connection = this._connection;\n if (!connection) {\n this._isComplete = false;\n connection = this._connection = new Subscription();\n connection.add(this.source\n .subscribe(new ConnectableSubscriber(this.getSubject(), this)));\n if (connection.closed) {\n this._connection = null;\n connection = Subscription.EMPTY;\n }\n }\n return connection;\n };\n ConnectableObservable.prototype.refCount = function () {\n return higherOrderRefCount()(this);\n };\n return ConnectableObservable;\n}(Observable));\nexport { ConnectableObservable };\nexport var connectableObservableDescriptor = /*@__PURE__*/ (function () {\n var connectableProto = ConnectableObservable.prototype;\n return {\n operator: { value: null },\n _refCount: { value: 0, writable: true },\n _subject: { value: null, writable: true },\n _connection: { value: null, writable: true },\n _subscribe: { value: connectableProto._subscribe },\n _isComplete: { value: connectableProto._isComplete, writable: true },\n getSubject: { value: connectableProto.getSubject },\n connect: { value: connectableProto.connect },\n refCount: { value: connectableProto.refCount }\n };\n})();\nvar ConnectableSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ConnectableSubscriber, _super);\n function ConnectableSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n ConnectableSubscriber.prototype._error = function (err) {\n this._unsubscribe();\n _super.prototype._error.call(this, err);\n };\n ConnectableSubscriber.prototype._complete = function () {\n this.connectable._isComplete = true;\n this._unsubscribe();\n _super.prototype._complete.call(this);\n };\n ConnectableSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (connectable) {\n this.connectable = null;\n var connection = connectable._connection;\n connectable._refCount = 0;\n connectable._subject = null;\n connectable._connection = null;\n if (connection) {\n connection.unsubscribe();\n }\n }\n };\n return ConnectableSubscriber;\n}(SubjectSubscriber));\nvar RefCountOperator = /*@__PURE__*/ (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=ConnectableObservable.js.map\n","/** PURE_IMPORTS_START _observable_ConnectableObservable PURE_IMPORTS_END */\nimport { connectableObservableDescriptor } from '../observable/ConnectableObservable';\nexport function multicast(subjectOrSubjectFactory, selector) {\n return function multicastOperatorFunction(source) {\n var subjectFactory;\n if (typeof subjectOrSubjectFactory === 'function') {\n subjectFactory = subjectOrSubjectFactory;\n }\n else {\n subjectFactory = function subjectFactory() {\n return subjectOrSubjectFactory;\n };\n }\n if (typeof selector === 'function') {\n return source.lift(new MulticastOperator(subjectFactory, selector));\n }\n var connectable = Object.create(source, connectableObservableDescriptor);\n connectable.source = source;\n connectable.subjectFactory = subjectFactory;\n return connectable;\n };\n}\nvar MulticastOperator = /*@__PURE__*/ (function () {\n function MulticastOperator(subjectFactory, selector) {\n this.subjectFactory = subjectFactory;\n this.selector = selector;\n }\n MulticastOperator.prototype.call = function (subscriber, source) {\n var selector = this.selector;\n var subject = this.subjectFactory();\n var subscription = selector(subject).subscribe(subscriber);\n subscription.add(source.subscribe(subject));\n return subscription;\n };\n return MulticastOperator;\n}());\nexport { MulticastOperator };\n//# sourceMappingURL=multicast.js.map\n","/** PURE_IMPORTS_START _multicast,_refCount,_Subject PURE_IMPORTS_END */\nimport { multicast } from './multicast';\nimport { refCount } from './refCount';\nimport { Subject } from '../Subject';\nfunction shareSubjectFactory() {\n return new Subject();\n}\nexport function share() {\n return function (source) { return refCount()(multicast(shareSubjectFactory)(source)); };\n}\n//# sourceMappingURL=share.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, fromEvent } from \"rxjs\"\nimport { filter, map, share } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Observable for window hash change events\n */\nconst hashchange$ = fromEvent(window, \"hashchange\")\n\n/**\n * Observable for window pop state events\n */\nconst popstate$ = fromEvent(window, \"popstate\")\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @return Location subject\n */\nexport function watchLocation(): Subject {\n const location$ = new Subject()\n popstate$\n .pipe(\n map(() => location.href),\n share()\n )\n .subscribe(location$)\n\n /* Return subject */\n return location$\n}\n\n/**\n * Watch location hash\n *\n * @return Location hash observable\n */\nexport function watchLocationHash(): Observable {\n return hashchange$\n .pipe(\n map(() => location.hash),\n filter(hash => hash.length > 0),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEventPattern } from \"rxjs\"\nimport { shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * @param query - Media query\n *\n * @return Media observable\n */\nexport function watchMedia(query: string): Observable {\n const media = matchMedia(query)\n return fromEventPattern(next =>\n media.addListener(() => next(media.matches))\n )\n .pipe(\n startWith(media.matches),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nexport function fromEventPattern(addHandler, removeHandler, resultSelector) {\n if (resultSelector) {\n return fromEventPattern(addHandler, removeHandler).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n var handler = function () {\n var e = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n e[_i] = arguments[_i];\n }\n return subscriber.next(e.length === 1 ? e[0] : e);\n };\n var retValue;\n try {\n retValue = addHandler(handler);\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n if (!isFunction(removeHandler)) {\n return undefined;\n }\n return function () { return removeHandler(handler, retValue); };\n });\n}\n//# sourceMappingURL=fromEventPattern.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Observable for window scroll events\n */\nconst scroll$ = fromEvent(window, \"scroll\")\n\n/**\n * Observable for window resize events\n */\nconst resize$ = fromEvent(window, \"resize\")\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n width: number /* Viewport width */\n height: number /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * @return Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n return {\n x: pageXOffset,\n y: pageYOffset\n }\n}\n\n/**\n * Retrieve viewport size\n *\n * @return Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n return {\n width: innerWidth,\n height: innerHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffset(): Observable {\n return merge(scroll$, resize$)\n .pipe(\n map(getViewportOffset),\n startWith(getViewportOffset()),\n shareReplay(1)\n )\n}\n\n/**\n * Watch viewport size\n *\n * @return Viewport size observable\n */\nexport function watchViewportSize(): Observable {\n return resize$\n .pipe(\n map(getViewportSize),\n startWith(getViewportSize()),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport var defaultThrottleConfig = {\n leading: true,\n trailing: false\n};\nexport function throttle(durationSelector, config) {\n if (config === void 0) {\n config = defaultThrottleConfig;\n }\n return function (source) { return source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing)); };\n}\nvar ThrottleOperator = /*@__PURE__*/ (function () {\n function ThrottleOperator(durationSelector, leading, trailing) {\n this.durationSelector = durationSelector;\n this.leading = leading;\n this.trailing = trailing;\n }\n ThrottleOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ThrottleSubscriber(subscriber, this.durationSelector, this.leading, this.trailing));\n };\n return ThrottleOperator;\n}());\nvar ThrottleSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ThrottleSubscriber, _super);\n function ThrottleSubscriber(destination, durationSelector, _leading, _trailing) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n _this.durationSelector = durationSelector;\n _this._leading = _leading;\n _this._trailing = _trailing;\n _this._hasValue = false;\n return _this;\n }\n ThrottleSubscriber.prototype._next = function (value) {\n this._hasValue = true;\n this._sendValue = value;\n if (!this._throttled) {\n if (this._leading) {\n this.send();\n }\n else {\n this.throttle(value);\n }\n }\n };\n ThrottleSubscriber.prototype.send = function () {\n var _a = this, _hasValue = _a._hasValue, _sendValue = _a._sendValue;\n if (_hasValue) {\n this.destination.next(_sendValue);\n this.throttle(_sendValue);\n }\n this._hasValue = false;\n this._sendValue = null;\n };\n ThrottleSubscriber.prototype.throttle = function (value) {\n var duration = this.tryDurationSelector(value);\n if (!!duration) {\n this.add(this._throttled = subscribeToResult(this, duration));\n }\n };\n ThrottleSubscriber.prototype.tryDurationSelector = function (value) {\n try {\n return this.durationSelector(value);\n }\n catch (err) {\n this.destination.error(err);\n return null;\n }\n };\n ThrottleSubscriber.prototype.throttlingDone = function () {\n var _a = this, _throttled = _a._throttled, _trailing = _a._trailing;\n if (_throttled) {\n _throttled.unsubscribe();\n }\n this._throttled = null;\n if (_trailing) {\n this.send();\n }\n };\n ThrottleSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.throttlingDone();\n };\n ThrottleSubscriber.prototype.notifyComplete = function () {\n this.throttlingDone();\n };\n return ThrottleSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=throttle.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { pluck, share, switchMapTo, tap, throttle } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n type: unknown /* Message type */\n data: unknown /* Message data */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n *\n * @template T - Worker message type\n */\ninterface Options {\n send$: Observable /* Message observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that will send all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n *\n * @return Worker message observable\n */\nexport function watchWorker(\n worker: Worker, { send$ }: Options\n): Observable {\n\n /* Intercept messages from web worker */\n const recv$ = fromEvent(worker, \"message\")\n .pipe(\n pluck(\"data\"),\n share()\n )\n\n /* Send and receive messages, return hot observable */\n return send$\n .pipe(\n throttle(() => recv$, { leading: true, trailing: true }),\n tap(message => worker.postMessage(message)),\n switchMapTo(recv$),\n share()\n )\n}\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar AnimationFrameAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AnimationFrameAction, _super);\n function AnimationFrameAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n AnimationFrameAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if (delay !== null && delay > 0) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.actions.push(this);\n return scheduler.scheduled || (scheduler.scheduled = requestAnimationFrame(function () { return scheduler.flush(null); }));\n };\n AnimationFrameAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);\n }\n if (scheduler.actions.length === 0) {\n cancelAnimationFrame(id);\n scheduler.scheduled = undefined;\n }\n return undefined;\n };\n return AnimationFrameAction;\n}(AsyncAction));\nexport { AnimationFrameAction };\n//# sourceMappingURL=AnimationFrameAction.js.map\n","/** PURE_IMPORTS_START _AnimationFrameAction,_AnimationFrameScheduler PURE_IMPORTS_END */\nimport { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrame = /*@__PURE__*/ new AnimationFrameScheduler(AnimationFrameAction);\n//# sourceMappingURL=animationFrame.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AnimationFrameScheduler, _super);\n function AnimationFrameScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n AnimationFrameScheduler.prototype.flush = function (action) {\n this.active = true;\n this.scheduled = undefined;\n var actions = this.actions;\n var error;\n var index = -1;\n var count = actions.length;\n action = action || actions.shift();\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (++index < count && (action = actions.shift()));\n this.active = false;\n if (error) {\n while (++index < count && (action = actions.shift())) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AnimationFrameScheduler;\n}(AsyncScheduler));\nexport { AnimationFrameScheduler };\n//# sourceMappingURL=AnimationFrameScheduler.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nexport function finalize(callback) {\n return function (source) { return source.lift(new FinallyOperator(callback)); };\n}\nvar FinallyOperator = /*@__PURE__*/ (function () {\n function FinallyOperator(callback) {\n this.callback = callback;\n }\n FinallyOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FinallySubscriber(subscriber, this.callback));\n };\n return FinallyOperator;\n}());\nvar FinallySubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(FinallySubscriber, _super);\n function FinallySubscriber(destination, callback) {\n var _this = _super.call(this, destination) || this;\n _this.add(new Subscription(callback));\n return _this;\n }\n return FinallySubscriber;\n}(Subscriber));\n//# sourceMappingURL=finalize.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElement } from \"../agent\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Translations\n */\nlet lang: Record\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Truncate a string after the given number of characters\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @return Truncated value\n */\nexport function truncate(value: string, n: number): string {\n let i = n\n if (value.length > i) {\n while (value[i] !== \" \" && --i > 0); // tslint:disable-line\n return `${value.substring(0, i)}...`\n }\n return value\n}\n\n/**\n * Translate the given key\n *\n * @param key - Key to be translated\n * @param value - Value to be replaced\n *\n * @return Translation\n */\nexport function translate(key: string, value?: string): string {\n if (typeof lang === \"undefined\") {\n const el = getElement(\"#__lang\")!\n lang = JSON.parse(el.innerText)\n }\n if (typeof lang[key] === \"undefined\") {\n throw new ReferenceError(`Invalid translation: ${key}`)\n }\n return typeof value !== \"undefined\"\n ? lang[key].replace(\"#\", value)\n : lang[key]\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set anchor blur\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is blurred\n */\nexport function setAnchorBlur(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"blur\" : \"\")\n}\n\n/**\n * Reset anchor blur\n *\n * @param el - Anchor element\n */\nexport function resetAnchorBlur(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set anchor active\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is active\n */\nexport function setAnchorActive(\n el: HTMLElement, value: boolean\n): void {\n el.classList.toggle(\"md-nav__link--active\", value)\n}\n\n/**\n * Reset anchor active\n *\n * @param el - Anchor element\n */\nexport function resetAnchorActive(\n el: HTMLElement\n): void {\n el.classList.remove(\"md-nav__link--active\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set number of search results\n *\n * @param el - Search result metadata element\n * @param value - Number of results\n */\nexport function setSearchResultMeta(\n el: HTMLElement, value: number\n): void {\n switch (value) {\n\n /* No results */\n case 0:\n el.textContent = translate(\"search.result.none\")\n break\n\n /* One result */\n case 1:\n el.textContent = translate(\"search.result.one\")\n break\n\n /* Multiple result */\n default:\n el.textContent = translate(\"search.result.other\", value.toString())\n }\n}\n\n/**\n * Reset number of search results\n *\n * @param el - Search result metadata element\n */\nexport function resetSearchResultMeta(\n el: HTMLElement\n): void {\n el.textContent = translate(\"search.result.placeholder\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Add an element to the search result list\n *\n * @param el - Search result list element\n * @param child - Search result element\n */\nexport function addToSearchResultList(\n el: HTMLElement, child: HTMLElement\n): void {\n el.appendChild(child)\n}\n\n/**\n * Reset search result list\n *\n * @param el - Search result list element\n */\nexport function resetSearchResultList(\n el: HTMLElement\n): void {\n el.innerHTML = \"\"\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { OperatorFunction, animationFrameScheduler, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { resetHidden, setHidden } from \"actions\"\n\nimport { ViewportOffset } from \"../agent\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint hideable from source observable\n *\n * @param el - Hideable element\n * @param offset - Additional offset\n *\n * @return Operator function\n */\nexport function paintHidden(\n el: HTMLElement, offset: number = 0\n): OperatorFunction {\n return pipe(\n map(({ y }) => y >= offset),\n distinctUntilChanged(),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(value => {\n setHidden(el, value)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHidden(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set hidden\n *\n * @param el - Hideable element\n * @param value - Whether the element is hidden\n */\nexport function setHidden(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\n}\n\n/**\n * Reset hidden\n *\n * @param el - Hideable element\n */\nexport function resetHidden(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programatically change the value of a toggle, but this\n * is a much simpler and cleaner solution.\n *\n * @param el - Toggle element\n * @param value - Toggle value\n */\nexport function setToggle(\n el: HTMLInputElement, value: boolean\n): void {\n if (el.checked !== value)\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param el - Toggle element\n *\n * @return Toggle observable\n */\nexport function watchToggle(\n el: HTMLInputElement\n): Observable {\n return fromEvent(el, \"change\")\n .pipe(\n map(() => el.checked),\n startWith(el.checked)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, defer, of } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header state\n */\nexport interface HeaderState {\n sticky: boolean /* Header stickyness */\n height: number /* Header visible height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * The header is wrapped in an observable to pave the way for auto-hiding or\n * other dynamic behaviors that may be implemented later on.\n *\n * @param el - Header element\n *\n * @return Header state observable\n */\nexport function watchHeader(\n el: HTMLElement\n): Observable {\n return defer(() => {\n const sticky = getComputedStyle(el)\n .getPropertyValue(\"position\") === \"sticky\"\n\n /* Return header as hot observable */\n return of({\n sticky,\n height: sticky ? el.offsetHeight : 0\n })\n })\n}\n","/** PURE_IMPORTS_START _Observable,_from,_empty PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { from } from './from';\nimport { empty } from './empty';\nexport function defer(observableFactory) {\n return new Observable(function (subscriber) {\n var input;\n try {\n input = observableFactory();\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n var source = input ? from(input) : empty();\n return source.subscribe(subscriber);\n });\n}\n//# sourceMappingURL=defer.js.map\n","/** PURE_IMPORTS_START tslib,_util_isScheduler,_util_isArray,_OuterSubscriber,_util_subscribeToResult,_fromArray PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { isScheduler } from '../util/isScheduler';\nimport { isArray } from '../util/isArray';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { fromArray } from './fromArray';\nvar NONE = {};\nexport function combineLatest() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var resultSelector = null;\n var scheduler = null;\n if (isScheduler(observables[observables.length - 1])) {\n scheduler = observables.pop();\n }\n if (typeof observables[observables.length - 1] === 'function') {\n resultSelector = observables.pop();\n }\n if (observables.length === 1 && isArray(observables[0])) {\n observables = observables[0];\n }\n return fromArray(observables, scheduler).lift(new CombineLatestOperator(resultSelector));\n}\nvar CombineLatestOperator = /*@__PURE__*/ (function () {\n function CombineLatestOperator(resultSelector) {\n this.resultSelector = resultSelector;\n }\n CombineLatestOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector));\n };\n return CombineLatestOperator;\n}());\nexport { CombineLatestOperator };\nvar CombineLatestSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(CombineLatestSubscriber, _super);\n function CombineLatestSubscriber(destination, resultSelector) {\n var _this = _super.call(this, destination) || this;\n _this.resultSelector = resultSelector;\n _this.active = 0;\n _this.values = [];\n _this.observables = [];\n return _this;\n }\n CombineLatestSubscriber.prototype._next = function (observable) {\n this.values.push(NONE);\n this.observables.push(observable);\n };\n CombineLatestSubscriber.prototype._complete = function () {\n var observables = this.observables;\n var len = observables.length;\n if (len === 0) {\n this.destination.complete();\n }\n else {\n this.active = len;\n this.toRespond = len;\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n this.add(subscribeToResult(this, observable, observable, i));\n }\n }\n };\n CombineLatestSubscriber.prototype.notifyComplete = function (unused) {\n if ((this.active -= 1) === 0) {\n this.destination.complete();\n }\n };\n CombineLatestSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n var values = this.values;\n var oldVal = values[outerIndex];\n var toRespond = !this.toRespond\n ? 0\n : oldVal === NONE ? --this.toRespond : this.toRespond;\n values[outerIndex] = innerValue;\n if (toRespond === 0) {\n if (this.resultSelector) {\n this._tryResultSelector(values);\n }\n else {\n this.destination.next(values.slice());\n }\n }\n };\n CombineLatestSubscriber.prototype._tryResultSelector = function (values) {\n var result;\n try {\n result = this.resultSelector.apply(this, values);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return CombineLatestSubscriber;\n}(OuterSubscriber));\nexport { CombineLatestSubscriber };\n//# sourceMappingURL=combineLatest.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n shareReplay,\n switchMapTo\n} from \"rxjs/operators\"\n\nimport { Agent, ViewportOffset } from \"utilities\"\n\nimport { HeaderState } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset relative to an element's top\n *\n * This function returns an observable that computes the relative offset to the\n * top of the given element based on the current viewport offset.\n *\n * @param el - HTML element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffsetFromTopOf(\n el: HTMLElement, { viewport }: Agent, { header$ }: Options\n): Observable {\n\n /* Compute necessary adjustment for offset */\n const adjust$ = viewport.size$\n .pipe(\n switchMapTo(header$),\n map(({ height }) => el.offsetTop - height),\n distinctUntilChanged()\n )\n\n /* Compute relative offset and return as hot observable */\n return combineLatest([viewport.offset$, adjust$])\n .pipe(\n map(([{ x, y }, adjust]) => ({ x, y: y - adjust })),\n shareReplay(1)\n )\n}\n\n/**\n * Watch viewport offset relative to an element's bottom\n *\n * This function returns an observable that computes the relative offset to the\n * bottom of the given element based on the current viewport offset.\n *\n * @param el - HTML element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffsetFromBottomOf(\n el: HTMLElement, { viewport }: Agent, { header$ }: Options\n): Observable {\n\n /* Compute necessary adjustment for offset */\n const adjust$ = viewport.size$\n .pipe(\n switchMapTo(header$),\n map(({ height }) => el.offsetTop + el.offsetHeight - height),\n distinctUntilChanged()\n )\n\n /* Compute relative offset and return as hot observable */\n return combineLatest([viewport.offset$, adjust$])\n .pipe(\n map(([{ x, y }, adjust]) => ({ x, y: y - adjust })),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { JSX as JSXInternal } from \"preact\"\nimport { keys } from \"ramda\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child = Child[] | HTMLElement | Text | string | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Append a child node to an element\n *\n * @param el - HTML element\n * @param child - Child node\n */\nfunction appendChild(el: HTMLElement, child: Child): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @param tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @return HTML element\n */\nexport function h(\n tag: string, attributes: Attributes | null,\n ...children: Array\n): HTMLElement {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of keys(attributes))\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else if (attributes[attr])\n el.setAttribute(attr, \"\")\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el\n}\n\n/**\n * JSX factory wrapper\n *\n * @param el - JSX element\n *\n * @return HTML element\n */\nexport function toHTMLElement(el: JSXInternal.Element): HTMLElement {\n return el as any // Hack: if you have a better idea, PR!\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n export import JSX = JSXInternal\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function takeUntil(notifier) {\n return function (source) { return source.lift(new TakeUntilOperator(notifier)); };\n}\nvar TakeUntilOperator = /*@__PURE__*/ (function () {\n function TakeUntilOperator(notifier) {\n this.notifier = notifier;\n }\n TakeUntilOperator.prototype.call = function (subscriber, source) {\n var takeUntilSubscriber = new TakeUntilSubscriber(subscriber);\n var notifierSubscription = subscribeToResult(takeUntilSubscriber, this.notifier);\n if (notifierSubscription && !takeUntilSubscriber.seenValue) {\n takeUntilSubscriber.add(notifierSubscription);\n return source.subscribe(takeUntilSubscriber);\n }\n return takeUntilSubscriber;\n };\n return TakeUntilOperator;\n}());\nvar TakeUntilSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(TakeUntilSubscriber, _super);\n function TakeUntilSubscriber(destination) {\n var _this = _super.call(this, destination) || this;\n _this.seenValue = false;\n return _this;\n }\n TakeUntilSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.seenValue = true;\n this.complete();\n };\n TakeUntilSubscriber.prototype.notifyComplete = function () {\n };\n return TakeUntilSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=takeUntil.js.map\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function withLatestFrom() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n return function (source) {\n var project;\n if (typeof args[args.length - 1] === 'function') {\n project = args.pop();\n }\n var observables = args;\n return source.lift(new WithLatestFromOperator(observables, project));\n };\n}\nvar WithLatestFromOperator = /*@__PURE__*/ (function () {\n function WithLatestFromOperator(observables, project) {\n this.observables = observables;\n this.project = project;\n }\n WithLatestFromOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project));\n };\n return WithLatestFromOperator;\n}());\nvar WithLatestFromSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(WithLatestFromSubscriber, _super);\n function WithLatestFromSubscriber(destination, observables, project) {\n var _this = _super.call(this, destination) || this;\n _this.observables = observables;\n _this.project = project;\n _this.toRespond = [];\n var len = observables.length;\n _this.values = new Array(len);\n for (var i = 0; i < len; i++) {\n _this.toRespond.push(i);\n }\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n _this.add(subscribeToResult(_this, observable, observable, i));\n }\n return _this;\n }\n WithLatestFromSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.values[outerIndex] = innerValue;\n var toRespond = this.toRespond;\n if (toRespond.length > 0) {\n var found = toRespond.indexOf(outerIndex);\n if (found !== -1) {\n toRespond.splice(found, 1);\n }\n }\n };\n WithLatestFromSubscriber.prototype.notifyComplete = function () {\n };\n WithLatestFromSubscriber.prototype._next = function (value) {\n if (this.toRespond.length === 0) {\n var args = [value].concat(this.values);\n if (this.project) {\n this._tryProject(args);\n }\n else {\n this.destination.next(args);\n }\n }\n };\n WithLatestFromSubscriber.prototype._tryProject = function (args) {\n var result;\n try {\n result = this.project.apply(this, args);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return WithLatestFromSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=withLatestFrom.js.map\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n EMPTY,\n MonoTypeOperatorFunction,\n Observable,\n OperatorFunction,\n combineLatest,\n of,\n pipe\n} from \"rxjs\"\nimport {\n filter,\n map,\n switchMap,\n takeUntil,\n withLatestFrom\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle switch map with another observable\n *\n * @template T - Source value type\n * @template U - Target value type\n *\n * @param toggle$ - Toggle observable\n * @param project - Projection\n *\n * @return Operator function\n */\nexport function switchMapIf(\n toggle$: Observable, project: (value: T) => Observable\n): OperatorFunction {\n const begin$ = toggle$.pipe(filter(value => value))\n const end$ = toggle$.pipe(filter(value => !value))\n return pipe(\n switchMap(value => combineLatest([of(value), begin$])),\n switchMap(([value, active]) => active\n ? project(value)\n .pipe(\n takeUntil(end$)\n )\n : EMPTY\n )\n )\n}\n\n/**\n * Toggle emission with another observable\n *\n * @template T - Value type\n *\n * @param toggle$ - Toggle observable\n *\n * @return Operator function\n */\nexport function takeIf(\n toggle$: Observable\n): MonoTypeOperatorFunction {\n return pipe(\n withLatestFrom(toggle$),\n filter(([, active]) => active),\n map(([value]) => value)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent, paintHidden } from \"utilities\"\n\nimport { HeaderState, watchViewportOffsetFromTopOf } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Hero state\n */\nexport interface HeroState {\n hidden: boolean /* Whether the hero is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch hero\n *\n * @param el - Hero element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Hero state\n */\nexport function watchHero(\n el: HTMLElement, agent: Agent, { header$ }: Options\n): Observable {\n\n /* Watch and paint visibility */\n const hidden$ = watchViewportOffsetFromTopOf(el, agent, { header$ })\n .pipe(\n paintHidden(el, 20)\n )\n\n /* Combine into a single hot observable */\n return hidden$\n .pipe(\n map(hidden => ({ hidden }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount hero from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHero(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.screen$, el => watchHero(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n pluck,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { Agent } from \"utilities\"\n\nimport { HeaderState } from \"../../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area state\n */\nexport interface MainState {\n offset: number /* Main area top offset */\n height: number /* Main area visible height */\n active: boolean /* Scrolled past top offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport height and vertical offset, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Main area state observable\n */\nexport function watchMain(\n el: HTMLElement, { viewport }: Agent, { header$ }: Options\n): Observable {\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n pluck(\"height\")\n )\n\n /* Compute the main area's visible height */\n const height$ = combineLatest([\n viewport.offset$,\n viewport.size$,\n adjust$\n ])\n .pipe(\n map(([{ y }, { height }, adjust]) => {\n const top = el.offsetTop\n const bottom = el.offsetHeight + top\n return height\n - Math.max(0, top - y, adjust)\n - Math.max(0, height + y - bottom)\n }),\n distinctUntilChanged()\n )\n\n /* Compute whether the viewport offset is past the main area's top */\n const active$ = combineLatest([viewport.offset$, adjust$])\n .pipe(\n map(([{ y }, adjust]) => y >= el.offsetTop - adjust),\n distinctUntilChanged()\n )\n\n /* Combine into a single hot observable */\n return combineLatest([height$, adjust$, active$])\n .pipe(\n map(([height, adjust, active]) => ({\n offset: el.offsetTop - adjust,\n height,\n active\n }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount main area from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountMain(\n agent: Agent, options: Options\n): OperatorFunction {\n return pipe(\n switchMap(el => watchMain(el, agent, options)),\n shareReplay(1)\n )\n}\n","import _curry1 from './_curry1.js';\nimport _isPlaceholder from './_isPlaceholder.js';\n\n/**\n * Optimized internal two-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\nexport default function _curry2(fn) {\n return function f2(a, b) {\n switch (arguments.length) {\n case 0:\n return f2;\n case 1:\n return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n return fn(a, _b);\n });\n default:\n return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {\n return fn(_a, b);\n }) : _isPlaceholder(b) ? _curry1(function (_b) {\n return fn(a, _b);\n }) : fn(a, b);\n }\n };\n}","export default function _arrayFromIterator(iter) {\n var list = [];\n var next;\n while (!(next = iter.next()).done) {\n list.push(next.value);\n }\n return list;\n}","export default function _includesWith(pred, x, list) {\n var idx = 0;\n var len = list.length;\n\n while (idx < len) {\n if (pred(x, list[idx])) {\n return true;\n }\n idx += 1;\n }\n return false;\n}","// Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\nfunction _objectIs(a, b) {\n // SameValue algorithm\n if (a === b) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n return a !== 0 || 1 / a === 1 / b;\n } else {\n // Step 6.a: NaN == NaN\n return a !== a && b !== b;\n }\n}\n\nexport default typeof Object.is === 'function' ? Object.is : _objectIs;","import _curry1 from './internal/_curry1.js';\n\n/**\n * Gives a single-word string description of the (native) type of a value,\n * returning such answers as 'Object', 'Number', 'Array', or 'Null'. Does not\n * attempt to distinguish user Object types any further, reporting them all as\n * 'Object'.\n *\n * @func\n * @memberOf R\n * @since v0.8.0\n * @category Type\n * @sig (* -> {*}) -> String\n * @param {*} val The value to test\n * @return {String}\n * @example\n *\n * R.type({}); //=> \"Object\"\n * R.type(1); //=> \"Number\"\n * R.type(false); //=> \"Boolean\"\n * R.type('s'); //=> \"String\"\n * R.type(null); //=> \"Null\"\n * R.type([]); //=> \"Array\"\n * R.type(/[A-z]/); //=> \"RegExp\"\n * R.type(() => {}); //=> \"Function\"\n * R.type(undefined); //=> \"Undefined\"\n */\nvar type = /*#__PURE__*/_curry1(function type(val) {\n return val === null ? 'Null' : val === undefined ? 'Undefined' : Object.prototype.toString.call(val).slice(8, -1);\n});\nexport default type;","import _arrayFromIterator from './_arrayFromIterator.js';\nimport _includesWith from './_includesWith.js';\nimport _functionName from './_functionName.js';\nimport _has from './_has.js';\nimport _objectIs from './_objectIs.js';\nimport keys from '../keys.js';\nimport type from '../type.js';\n\n/**\n * private _uniqContentEquals function.\n * That function is checking equality of 2 iterator contents with 2 assumptions\n * - iterators lengths are the same\n * - iterators values are unique\n *\n * false-positive result will be returned for comparision of, e.g.\n * - [1,2,3] and [1,2,3,4]\n * - [1,1,1] and [1,2,3]\n * */\n\nfunction _uniqContentEquals(aIterator, bIterator, stackA, stackB) {\n var a = _arrayFromIterator(aIterator);\n var b = _arrayFromIterator(bIterator);\n\n function eq(_a, _b) {\n return _equals(_a, _b, stackA.slice(), stackB.slice());\n }\n\n // if *a* array contains any element that is not included in *b*\n return !_includesWith(function (b, aItem) {\n return !_includesWith(eq, aItem, b);\n }, b, a);\n}\n\nexport default function _equals(a, b, stackA, stackB) {\n if (_objectIs(a, b)) {\n return true;\n }\n\n var typeA = type(a);\n\n if (typeA !== type(b)) {\n return false;\n }\n\n if (a == null || b == null) {\n return false;\n }\n\n if (typeof a['fantasy-land/equals'] === 'function' || typeof b['fantasy-land/equals'] === 'function') {\n return typeof a['fantasy-land/equals'] === 'function' && a['fantasy-land/equals'](b) && typeof b['fantasy-land/equals'] === 'function' && b['fantasy-land/equals'](a);\n }\n\n if (typeof a.equals === 'function' || typeof b.equals === 'function') {\n return typeof a.equals === 'function' && a.equals(b) && typeof b.equals === 'function' && b.equals(a);\n }\n\n switch (typeA) {\n case 'Arguments':\n case 'Array':\n case 'Object':\n if (typeof a.constructor === 'function' && _functionName(a.constructor) === 'Promise') {\n return a === b;\n }\n break;\n case 'Boolean':\n case 'Number':\n case 'String':\n if (!(typeof a === typeof b && _objectIs(a.valueOf(), b.valueOf()))) {\n return false;\n }\n break;\n case 'Date':\n if (!_objectIs(a.valueOf(), b.valueOf())) {\n return false;\n }\n break;\n case 'Error':\n return a.name === b.name && a.message === b.message;\n case 'RegExp':\n if (!(a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline && a.sticky === b.sticky && a.unicode === b.unicode)) {\n return false;\n }\n break;\n }\n\n var idx = stackA.length - 1;\n while (idx >= 0) {\n if (stackA[idx] === a) {\n return stackB[idx] === b;\n }\n idx -= 1;\n }\n\n switch (typeA) {\n case 'Map':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.entries(), b.entries(), stackA.concat([a]), stackB.concat([b]));\n case 'Set':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.values(), b.values(), stackA.concat([a]), stackB.concat([b]));\n case 'Arguments':\n case 'Array':\n case 'Object':\n case 'Boolean':\n case 'Number':\n case 'String':\n case 'Date':\n case 'Error':\n case 'RegExp':\n case 'Int8Array':\n case 'Uint8Array':\n case 'Uint8ClampedArray':\n case 'Int16Array':\n case 'Uint16Array':\n case 'Int32Array':\n case 'Uint32Array':\n case 'Float32Array':\n case 'Float64Array':\n case 'ArrayBuffer':\n break;\n default:\n // Values of other types are only equal if identical.\n return false;\n }\n\n var keysA = keys(a);\n if (keysA.length !== keys(b).length) {\n return false;\n }\n\n var extendedStackA = stackA.concat([a]);\n var extendedStackB = stackB.concat([b]);\n\n idx = keysA.length - 1;\n while (idx >= 0) {\n var key = keysA[idx];\n if (!(_has(key, b) && _equals(b[key], a[key], extendedStackA, extendedStackB))) {\n return false;\n }\n idx -= 1;\n }\n return true;\n}","export default function _functionName(f) {\n // String(x => x) evaluates to \"x => x\", so the pattern may not match.\n var match = String(f).match(/^function (\\w*)/);\n return match == null ? '' : match[1];\n}","import _curry2 from './internal/_curry2.js';\nimport _equals from './internal/_equals.js';\n\n/**\n * Returns `true` if its arguments are equivalent, `false` otherwise. Handles\n * cyclical data structures.\n *\n * Dispatches symmetrically to the `equals` methods of both arguments, if\n * present.\n *\n * @func\n * @memberOf R\n * @since v0.15.0\n * @category Relation\n * @sig a -> b -> Boolean\n * @param {*} a\n * @param {*} b\n * @return {Boolean}\n * @example\n *\n * R.equals(1, 1); //=> true\n * R.equals(1, '1'); //=> false\n * R.equals([1, 2, 3], [1, 2, 3]); //=> true\n *\n * const a = {}; a.v = a;\n * const b = {}; b.v = b;\n * R.equals(a, b); //=> true\n */\nvar equals = /*#__PURE__*/_curry2(function equals(a, b) {\n return _equals(a, b, [], []);\n});\nexport default equals;","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { equals } from \"ramda\"\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n shareReplay,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetSidebarHeight,\n resetSidebarLock,\n setSidebarHeight,\n setSidebarLock\n} from \"actions\"\nimport { Agent } from \"utilities\"\n\nimport { MainState } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar state\n */\nexport interface SidebarState {\n height: number /* Sidebar height */\n lock: boolean /* Sidebar lock */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n main$: Observable /* Main area state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Sidebar state observable\n */\nexport function watchSidebar(\n el: HTMLElement, { viewport }: Agent, { main$ }: Options\n): Observable {\n\n /* Adjust for internal main area offset */\n const adjust = parseFloat(\n getComputedStyle(el.parentElement!)\n .getPropertyValue(\"padding-top\")\n )\n\n /* Compute the sidebar's available height */\n const height$ = combineLatest([viewport.offset$, main$])\n .pipe(\n map(([{ y }, { offset, height }]) => {\n return height - adjust + Math.min(adjust, Math.max(0, y - offset))\n })\n )\n\n /* Compute whether the sidebar should be locked */\n const lock$ = combineLatest([viewport.offset$, main$])\n .pipe(\n map(([{ y }, { offset }]) => y >= offset + adjust)\n )\n\n /* Combine into single hot observable */\n return combineLatest([height$, lock$])\n .pipe(\n map(([height, lock]) => ({ height, lock })),\n distinctUntilChanged(equals),\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint sidebar from source observable\n *\n * @param el - Sidebar element\n *\n * @return Operator function\n */\nexport function paintSidebar(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ height, lock }) => {\n setSidebarHeight(el, height)\n setSidebarLock(el, lock)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetSidebarHeight(el)\n resetSidebarLock(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar height\n *\n * @param el - Sidebar element\n * @param value - Sidebar height\n */\nexport function setSidebarHeight(\n el: HTMLElement, value: number\n): void {\n el.style.height = `${value}px`\n}\n\n/**\n * Reset sidebar height\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarHeight(\n el: HTMLElement\n): void {\n el.style.height = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar lock\n *\n * @param el - Sidebar element\n * @param value - Whether the sidebar is locked\n */\nexport function setSidebarLock(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"lock\" : \"\")\n}\n\n/**\n * Reset sidebar lock\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarLock(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent } from \"utilities\"\n\nimport {\n MainState,\n SidebarState,\n paintSidebar,\n watchSidebar\n} from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation state\n */\nexport interface NavigationState {\n sidebar: SidebarState /* Sidebar state */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n main$: Observable /* Main area state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation\n *\n * @param el - Navigation element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Navigation state observable\n */\nexport function watchNavigation(\n el: HTMLElement, agent: Agent, { main$ }: Options\n): Observable {\n\n /* Watch and paint sidebar */\n const sidebar$ = watchSidebar(el, agent, { main$ })\n .pipe(\n paintSidebar(el)\n )\n\n /* Combine into a single hot observable */\n return sidebar$\n .pipe(\n map(sidebar => ({ sidebar }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount navigation from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountNavigation(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.screen$, el => watchNavigation(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest, fromEvent } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n shareReplay,\n startWith\n} from \"rxjs/operators\"\n\nimport { watchElementFocus } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query state\n */\nexport interface SearchQueryState {\n value: string /* Query value */\n focus: boolean /* Query focus state */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n prepare(value: string): string /* Preparation function */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @return Search query state observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { prepare }: Options\n): Observable {\n\n /* Intercept keyboard events */\n const value$ = fromEvent(el, \"keyup\")\n .pipe(\n map(() => prepare(el.value)),\n startWith(\"\"),\n distinctUntilChanged()\n )\n\n /* Intercept focus events */\n const focus$ = watchElementFocus(el)\n\n /* Combine into a single hot observable */\n return combineLatest([value$, focus$])\n .pipe(\n map(([value, focus]) => ({ value, focus })),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { mapTo, shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @return Element focus observable\n */\nexport function watchElementFocus(\n el: HTMLElement\n): Observable {\n const focus$ = fromEvent(el, \"focus\")\n const blur$ = fromEvent(el, \"blur\")\n\n /* Map events to boolean state */\n return merge(\n focus$.pipe(mapTo(true)),\n blur$.pipe(mapTo(false))\n )\n .pipe(\n startWith(el === document.activeElement),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search reset\n *\n * @param el - Search reset element\n *\n * @return Search reset observable\n */\nexport function watchSearchReset(\n el: HTMLElement\n): Observable {\n return fromEvent(el, \"click\")\n .pipe(\n mapTo(undefined)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\nimport { ArticleDocument } from \"modules\"\nimport { truncate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n link: \"md-search-result__link\",\n article: \"md-search-result__article md-search-result__article--document\",\n title: \"md-search-result__title\",\n teaser: \"md-search-result__teaser\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render an article document\n *\n * @param article - Article document\n *\n * @return HTML element\n */\nexport function renderArticleDocument(\n { location, title, text }: ArticleDocument\n): HTMLElement {\n return toHTMLElement(\n \n
    \n

    {title}

    \n {text.length\n ?

    {truncate(text, 320)}

    \n : undefined\n }\n
    \n     \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\nimport { SectionDocument } from \"modules\"\nimport { truncate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n link: \"md-search-result__link\",\n article: \"md-search-result__article\",\n title: \"md-search-result__title\",\n teaser: \"md-search-result__teaser\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a section document\n *\n * @param section - Section document\n *\n * @return HTML element\n */\nexport function renderSectionDocument(\n { location, title, text }: SectionDocument\n): HTMLElement {\n return toHTMLElement(\n \n
    \n

    {title}

    \n {text.length\n ?

    {truncate(text, 320)}

    \n : undefined\n }\n
    \n     \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\nimport { SearchResult } from \"modules\"\n\nimport { renderArticleDocument } from \"../article\"\nimport { renderSectionDocument } from \"../section\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n item: \"md-search-result__item\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @return HTML element\n */\nexport function renderSearchResult(\n { article, sections }: SearchResult\n): HTMLElement {\n return toHTMLElement(\n
  • \n {renderArticleDocument(article)}\n {...sections.map(renderSectionDocument)}\n
    • \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, toHTMLElement } from \"extensions\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n facts: \"md-source__facts\",\n fact: \"md-source__fact\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render source facts\n *\n * @param facts - Source facts\n *\n * @return HTML element\n */\nexport function renderSource(\n facts: any // TODO: add typings\n): HTMLElement {\n return toHTMLElement(\n
      \n {facts.map((fact: any) =>
    • {fact}
      • )}\n
    \n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { MonoTypeOperatorFunction, Observable, pipe } from \"rxjs\"\nimport { map, withLatestFrom } from \"rxjs/operators\"\n\nimport {\n resetSearchResultMeta,\n setSearchResultMeta\n} from \"actions\"\nimport { SearchResult } from \"modules\"\nimport { getElement } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint search result metadata from source observable\n *\n * @param el - Search result metadata element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function paintSearchResultMeta(\n el: HTMLElement, { query$ }: Options\n): MonoTypeOperatorFunction {\n const meta = getElement(\".md-search-result__meta\", el)!\n return pipe(\n withLatestFrom(query$),\n map(([result, query]) => {\n if (query) {\n setSearchResultMeta(meta, result.length)\n } else {\n resetSearchResultMeta(meta)\n }\n return result\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n filter,\n map,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { SearchResult } from \"modules\"\nimport { Agent, watchElementOffset } from \"utilities\"\n\nimport { paintSearchResultList } from \"../list\"\nimport { paintSearchResultMeta } from \"../meta\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n result$: Observable /* Search result observable */\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search result\n *\n * @param el - Search result element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Search result state observable\n */\nexport function watchSearchResult(\n el: HTMLElement, agent: Agent, { result$, query$ }: Options\n): Observable {\n const container = el.parentElement!\n\n /* Compute whether there are more search results elements */\n const render$ = watchElementOffset(container, agent)\n .pipe(\n map(({ y }) => y >= container.scrollHeight - container.offsetHeight - 16),\n distinctUntilChanged(),\n filter(identity)\n )\n\n /* Paint search results */\n return result$\n .pipe(\n paintSearchResultMeta(el, { query$ }),\n paintSearchResultList(el, { render$ })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount search result from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountSearchResult(\n agent: Agent, options: Options\n): OperatorFunction {\n return pipe(\n switchMap(el => watchSearchResult(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport {\n finalize,\n mapTo,\n observeOn,\n scan,\n switchMap\n} from \"rxjs/operators\"\n\nimport {\n addToSearchResultList,\n resetSearchResultList\n} from \"actions\"\nimport { SearchResult } from \"modules\"\nimport { renderSearchResult } from \"templates\"\nimport { getElement } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n render$: Observable /* Render trigger observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint search result list from source observable\n *\n * @param el - Search result element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function paintSearchResultList(\n el: HTMLElement, { render$ }: Options\n): MonoTypeOperatorFunction {\n const container = el.parentElement!\n const list = getElement(\".md-search-result__list\", el)!\n return pipe(\n switchMap(result => render$\n .pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n scan(index => {\n while (index < result.length) {\n addToSearchResultList(list, renderSearchResult(result[index++]))\n if (container.scrollHeight - container.offsetHeight > 16)\n break\n }\n return index\n }, 0),\n\n /* Re-map to search result */\n mapTo(result),\n\n /* Reset on complete or error */\n finalize(() => {\n resetSearchResultList(list)\n })\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent, paintHidden } from \"utilities\"\n\nimport { HeaderState, watchViewportOffsetFromTopOf } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabs state\n */\nexport interface TabsState {\n hidden: boolean /* Whether the tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch tabs\n *\n * This function returns an observable that computes the visual parameters of\n * the tabs, currently only denoting whether the tabs are hidden or not.\n *\n * @param el - Tabs element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Tabs state\n */\nexport function watchTabs(\n el: HTMLElement, agent: Agent, { header$ }: Options\n): Observable {\n\n /* Watch and paint visibility */\n const hidden$ = watchViewportOffsetFromTopOf(el, agent, { header$ })\n .pipe(\n paintHidden(el, 8)\n )\n\n /* Combine into a single hot observable */\n return hidden$\n .pipe(\n map(hidden => ({ hidden }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount tabs from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountTabs(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.screen$, el => watchTabs(el, agent, options)),\n shareReplay(1)\n )\n}\n","import _curry1 from './internal/_curry1.js';\nimport _isString from './internal/_isString.js';\n\n/**\n * Returns a new list or string with the elements or characters in reverse\n * order.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category List\n * @sig [a] -> [a]\n * @sig String -> String\n * @param {Array|String} list\n * @return {Array|String}\n * @example\n *\n * R.reverse([1, 2, 3]); //=> [3, 2, 1]\n * R.reverse([1, 2]); //=> [2, 1]\n * R.reverse([1]); //=> [1]\n * R.reverse([]); //=> []\n *\n * R.reverse('abc'); //=> 'cba'\n * R.reverse('ab'); //=> 'ba'\n * R.reverse('a'); //=> 'a'\n * R.reverse(''); //=> ''\n */\nvar reverse = /*#__PURE__*/_curry1(function reverse(list) {\n return _isString(list) ? list.split('').reverse().join('') : Array.prototype.slice.call(list, 0).reverse();\n});\nexport default reverse;","export default function _isString(x) {\n return Object.prototype.toString.call(x) === '[object String]';\n}","import _indexOf from './_indexOf.js';\n\nexport default function _includes(a, list) {\n return _indexOf(list, a, 0) >= 0;\n}","import equals from '../equals.js';\n\nexport default function _indexOf(list, a, idx) {\n var inf, item;\n // Array.prototype.indexOf doesn't exist below IE9\n if (typeof list.indexOf === 'function') {\n switch (typeof a) {\n case 'number':\n if (a === 0) {\n // manually crawl the list to distinguish between +0 and -0\n inf = 1 / a;\n while (idx < list.length) {\n item = list[idx];\n if (item === 0 && 1 / item === inf) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n } else if (a !== a) {\n // NaN\n while (idx < list.length) {\n item = list[idx];\n if (typeof item === 'number' && item !== item) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n }\n // non-zero numbers can utilise Set\n return list.indexOf(a, idx);\n\n // all these types can utilise Set\n case 'string':\n case 'boolean':\n case 'function':\n case 'undefined':\n return list.indexOf(a, idx);\n\n case 'object':\n if (a === null) {\n // null can utilise Set\n return list.indexOf(a, idx);\n }\n }\n }\n // anything else not covered above, defer to R.equals\n while (idx < list.length) {\n if (equals(list[idx], a)) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n}","import _includes from './_includes.js';\n\nvar _Set = /*#__PURE__*/function () {\n function _Set() {\n /* globals Set */\n this._nativeSet = typeof Set === 'function' ? new Set() : null;\n this._items = {};\n }\n\n // until we figure out why jsdoc chokes on this\n // @param item The item to add to the Set\n // @returns {boolean} true if the item did not exist prior, otherwise false\n //\n _Set.prototype.add = function (item) {\n return !hasOrAdd(item, true, this);\n };\n\n //\n // @param item The item to check for existence in the Set\n // @returns {boolean} true if the item exists in the Set, otherwise false\n //\n _Set.prototype.has = function (item) {\n return hasOrAdd(item, false, this);\n };\n\n //\n // Combines the logic for checking whether an item is a member of the set and\n // for adding a new item to the set.\n //\n // @param item The item to check or add to the Set instance.\n // @param shouldAdd If true, the item will be added to the set if it doesn't\n // already exist.\n // @param set The set instance to check or add to.\n // @return {boolean} true if the item already existed, otherwise false.\n //\n return _Set;\n}();\n\nfunction hasOrAdd(item, shouldAdd, set) {\n var type = typeof item;\n var prevSize, newSize;\n switch (type) {\n case 'string':\n case 'number':\n // distinguish between +0 and -0\n if (item === 0 && 1 / item === -Infinity) {\n if (set._items['-0']) {\n return true;\n } else {\n if (shouldAdd) {\n set._items['-0'] = true;\n }\n return false;\n }\n }\n // these types can all utilise the native Set\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = {};\n set._items[type][item] = true;\n }\n return false;\n } else if (item in set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][item] = true;\n }\n return false;\n }\n }\n\n case 'boolean':\n // set._items['boolean'] holds a two element array\n // representing [ falseExists, trueExists ]\n if (type in set._items) {\n var bIdx = item ? 1 : 0;\n if (set._items[type][bIdx]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][bIdx] = true;\n }\n return false;\n }\n } else {\n if (shouldAdd) {\n set._items[type] = item ? [false, true] : [true, false];\n }\n return false;\n }\n\n case 'function':\n // compare functions for reference equality\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n\n case 'undefined':\n if (set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type] = true;\n }\n return false;\n }\n\n case 'object':\n if (item === null) {\n if (!set._items['null']) {\n if (shouldAdd) {\n set._items['null'] = true;\n }\n return false;\n }\n return true;\n }\n /* falls through */\n default:\n // reduce the search size of heterogeneous sets by creating buckets\n // for each type.\n type = Object.prototype.toString.call(item);\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n // scan through all previously applied items\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n}\n\n// A simple Set type that honours R.equals semantics\nexport default _Set;","import _curry2 from './internal/_curry2.js';\nimport _Set from './internal/_Set.js';\n\n/**\n * Finds the set (i.e. no duplicates) of all elements in the first list not\n * contained in the second list. Objects and Arrays are compared in terms of\n * value equality, not reference equality.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Relation\n * @sig [*] -> [*] -> [*]\n * @param {Array} list1 The first list.\n * @param {Array} list2 The second list.\n * @return {Array} The elements in `list1` that are not in `list2`.\n * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith, R.without\n * @example\n *\n * R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]\n * R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]\n * R.difference([{a: 1}, {b: 2}], [{a: 1}, {c: 3}]) //=> [{b: 2}]\n */\nvar difference = /*#__PURE__*/_curry2(function difference(first, second) {\n var out = [];\n var idx = 0;\n var firstLen = first.length;\n var secondLen = second.length;\n var toFilterOut = new _Set();\n\n for (var i = 0; i < secondLen; i += 1) {\n toFilterOut.add(second[i]);\n }\n\n while (idx < firstLen) {\n if (toFilterOut.add(first[idx])) {\n out[out.length] = first[idx];\n }\n idx += 1;\n }\n return out;\n});\nexport default difference;","\n/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Packer message type\n */\nexport const enum PackerMessageType {\n STRING, /* String data */\n BINARY /* Packed data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing an unpacked string\n */\nexport interface PackerStringMessage {\n type: PackerMessageType.STRING /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing a packed string\n */\nexport interface PackerBinaryMessage {\n type: PackerMessageType.BINARY /* Message type */\n data: string /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the packer worker\n */\nexport type PackerMessage =\n | PackerStringMessage\n | PackerBinaryMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for packer binary messages\n *\n * @param message - Packer worker message\n *\n * @return Test result\n */\nexport function isPackerBinaryMessage(\n message: PackerMessage\n): message is PackerBinaryMessage {\n return message.type === PackerMessageType.BINARY\n}\n\n/**\n * Type guard for packer string messages\n *\n * @param message - Packer worker message\n *\n * @return Test result\n */\nexport function isPackerStringMessage(\n message: PackerMessage\n): message is PackerStringMessage {\n return message.type === PackerMessageType.STRING\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndexOptions, SearchResult } from \"modules\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n DUMP, /* Search index dump */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndexOptions /* Message data */\n}\n\n/**\n * A message containing the a dump of the search index\n */\nexport interface SearchDumpMessage {\n type: SearchMessageType.DUMP /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult[] /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchDumpMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search dump messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchDumpMessage(\n message: SearchMessage\n): message is SearchDumpMessage {\n return message.type === SearchMessageType.DUMP\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport { map, shareReplay } from \"rxjs/operators\"\n\nimport { switchMapIf } from \"extensions\"\nimport { Agent, getElements } from \"utilities\"\n\nimport { HeaderState } from \"../../header\"\nimport {\n MainState,\n SidebarState,\n paintSidebar,\n watchSidebar\n} from \"../../main\"\nimport {\n AnchorList,\n paintAnchorList,\n watchAnchorList\n} from \"../anchor\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents state\n */\nexport interface TableOfContentsState {\n sidebar: SidebarState /* Sidebar state */\n anchors: AnchorList /* Anchor list */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n main$: Observable /* Main area state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch table of contents\n *\n * @param el - Table of contents element\n * @param agent - Agent\n * @param options - Options\n *\n * @return Table of contents state observable\n */\nexport function watchTableOfContents(\n el: HTMLElement, agent: Agent, { header$, main$ }: Options\n): Observable {\n\n /* Watch and paint sidebar */\n const sidebar$ = watchSidebar(el, agent, { main$ })\n .pipe(\n paintSidebar(el)\n )\n\n /* Watch and paint anchor list (scroll spy) */\n const els = getElements(\".md-nav__link\", el)\n const anchors$ = watchAnchorList(els, agent, { header$ })\n .pipe(\n paintAnchorList(els)\n )\n\n /* Combine into a single hot observable */\n return combineLatest([sidebar$, anchors$])\n .pipe(\n map(([sidebar, anchors]) => ({ sidebar, anchors }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents from source observable\n *\n * @param agent - Agent\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountTableOfContents(\n agent: Agent, options: Options\n): OperatorFunction {\n const { media } = agent\n return pipe(\n switchMapIf(media.tablet$, el => watchTableOfContents(el, agent, options)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { difference, reverse } from \"ramda\"\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n scan,\n shareReplay,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetAnchorActive,\n resetAnchorBlur,\n setAnchorActive,\n setAnchorBlur\n} from \"actions\"\nimport { Agent, getElement } from \"utilities\"\n\nimport { HeaderState } from \"../../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Anchor list\n */\nexport interface AnchorList {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n header$: Observable /* Header state observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch anchor list\n *\n * This is effectively a scroll-spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the anchor list needs\n * to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param els - Anchor elements\n * @param agent - Agent\n * @param options - Options\n *\n * @return Anchor list observable\n */\nexport function watchAnchorList(\n els: HTMLAnchorElement[], { viewport }: Agent, { header$ }: Options\n): Observable {\n const table = new Map()\n for (const el of els) {\n const id = decodeURIComponent(el.hash.substring(1))\n const target = getElement(`[id=\"${id}\"]`)\n if (typeof target !== \"undefined\")\n table.set(el, target)\n }\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(header => 18 + header.height)\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = viewport.size$\n .pipe(\n\n /* Build index to map anchor paths to vertical offsets */\n map(() => {\n let path: HTMLAnchorElement[] = []\n return [...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n return index.set(\n reverse(path = [...path, anchor]),\n target.offsetTop\n )\n }, new Map())\n }),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(index => combineLatest(viewport.offset$, adjust$)\n .pipe(\n scan(([prev, next], [{ y }, adjust]) => {\n\n /* Look forward */\n while (next.length) {\n const [, offset] = next[0]\n if (offset - adjust < y) {\n prev = [...prev, next.shift()!]\n } else {\n break\n }\n }\n\n /* Look backward */\n while (prev.length) {\n const [, offset] = prev[prev.length - 1]\n if (offset - adjust >= y) {\n next = [prev.pop()!, ...next]\n } else {\n break\n }\n }\n\n /* Return partition */\n return [prev, next]\n }, [[], [...index]]),\n distinctUntilChanged((a, b) => {\n return a[0] === b[0]\n && a[1] === b[1]\n })\n )\n )\n )\n\n /* Compute anchor list migrations */\n const migration$ = partition$\n .pipe(\n map(([prev, next]) => ({\n prev: prev.map(([path]) => path),\n next: next.map(([path]) => path)\n })),\n\n /* Extract anchor list migrations */\n scan((a, b) => {\n const begin = Math.max(0, Math.min(b.prev.length, a.prev.length) - 1)\n const end = Math.max(b.prev.length, a.prev.length)\n return {\n prev: b.prev.slice(begin, end + 1),\n next: difference(b.next, a.next)\n }\n }, { prev: [], next: [] })\n )\n\n /* Return anchor list migrations as hot observable */\n return migration$\n .pipe(\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint anchor list from source observable\n *\n * @param els - Anchor elements\n *\n * @return Operator function\n */\nexport function paintAnchorList(\n els: HTMLAnchorElement[]\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ prev, next }) => {\n\n /* Look forward */\n for (const [el] of next) {\n resetAnchorActive(el)\n resetAnchorBlur(el)\n }\n\n /* Look backward */\n for (const [index, [el]] of prev.entries()) {\n setAnchorActive(el, index === prev.length - 1)\n setAnchorBlur(el, true)\n }\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n for (const el of els) {\n resetAnchorActive(el)\n resetAnchorBlur(el)\n }\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n// TODO: remove this after we finished refactoring\n// tslint:disable\n\nimport { identity, values } from \"ramda\"\nimport {\n EMPTY,\n Observable,\n Subject,\n forkJoin,\n merge,\n of,\n fromEvent,\n interval,\n NEVER\n} from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n delay,\n filter,\n map,\n pluck,\n switchMap,\n switchMapTo,\n take,\n tap,\n withLatestFrom,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n} from \"rxjs/operators\"\n\nimport {\n Component,\n paintHeaderShadow,\n mountHero,\n mountMain,\n mountNavigation,\n mountSearchResult,\n mountTableOfContents,\n mountTabs,\n switchComponent,\n watchComponentMap,\n watchHeader,\n watchSearchQuery,\n watchSearchReset\n} from \"./components\"\nimport { SearchIndexOptions } from \"./modules\"\nimport {\n getElement,\n setupAgent,\n watchToggle,\n watchWorker,\n setToggle,\n getElements,\n watchMedia,\n translate,\n watchElementFocus\n} from \"./utilities\"\nimport {\n PackerMessage,\n PackerMessageType,\n SearchMessage,\n SearchMessageType,\n SearchSetupMessage,\n isSearchDumpMessage,\n isSearchResultMessage\n} from \"./workers\"\nimport { renderSource } from \"templates\"\nimport { switchMapIf, not, takeIf } from \"extensions\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n worker: {\n search: string /* Search worker URL */\n packer: string /* Packer worker URL */\n }\n}\n\n/* ----------------------------------------------------------------------------\n * TODO: where do we put this stuff?\n * ------------------------------------------------------------------------- */\n\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\nconst names: Component[] = [\n \"container\", /* Container */\n \"header\", /* Header */\n \"header-title\", /* Header title */\n \"hero\", /* Hero */\n \"main\", /* Main area */\n \"navigation\", /* Navigation */\n \"search\", /* Search */\n \"search-query\", /* Search input */\n \"search-reset\", /* Search reset */\n \"search-result\", /* Search results */\n \"tabs\", /* Tabs */\n \"toc\" /* Table of contents */\n]\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Ensure that the given value is a valid configuration\n *\n * We could use `jsonschema` or any other schema validation framework, but that\n * would just add more bloat to the bundle, so we'll keep it plain and simple.\n *\n * @param config - Configuration\n *\n * @return Test result\n */\nfunction isConfig(config: any): config is Config {\n return typeof config === \"object\"\n && typeof config.base === \"string\"\n && typeof config.worker === \"object\"\n && typeof config.worker.search === \"string\"\n && typeof config.worker.packer === \"string\"\n}\n\n/**\n *\n * Rogue control characters must be filtered before handing the query to the\n * search index, as lunr will throw otherwise.\n */\nfunction prepare(value: string): string {\n const newvalue = value\n .replace(/(?:^|\\s+)[*+-:^~]+(?=\\s+|$)/g, \"\")\n .trim()\n\n return newvalue ? newvalue.replace(/\\s+|$/g, \"* \") : \"\"\n}\n\nfunction setupWorkers(config: Config) {\n // Remove trailing URL, or search might not work on the 404 page.\n config.base = config.base.replace(/\\/$/, \"\")\n\n const worker = new Worker(config.worker.search)\n const packer = new Worker(config.worker.packer)\n\n const packerMessage$ = new Subject()\n const packer$ = watchWorker(packer, { send$: packerMessage$ })\n\n // send a message, then switchMapTo worker!\n\n packer$.subscribe(message => {\n // console.log(\"PACKER.MSG\", message.data.length)\n // is always packed!\n if (message.type === PackerMessageType.BINARY && message.data[0] !== \"{\")\n localStorage.setItem(\"index\", message.data)\n })\n\n // storing = experimental feature\n\n const searchMessage$ = new Subject()\n\n const search$ = watchWorker(worker, { send$: searchMessage$ })\n\n /* Link search to packer */\n search$\n .pipe(\n filter(isSearchDumpMessage),\n map(message => ({\n type: PackerMessageType.STRING,\n data: message.data\n })),\n tap(message => packerMessage$.next(message)) // send message and wait!\n // switchMapTo(packer$)\n )\n .subscribe()\n\n const data$ = ajax({\n url: `${config.base}/search/search_index.json`,\n responseType: \"json\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\"),\n // map(res => {\n // // search language... default for theme language...\n // const override = translate(\"search.tokenizer\")\n // // TODO: ???\n // if (override.length)\n // res.config.separator = override\n\n // return res\n // })\n // take(1)\n )\n\n const fromLocal = localStorage.getItem(\"index\")\n\n ;\n (fromLocal ? of({\n type: PackerMessageType.BINARY,\n data: localStorage.getItem(\"index\")!\n }) : EMPTY)\n .subscribe(x => {\n // console.log(\"send message to packer\")\n packerMessage$.next(x)\n })\n\n const index$ = fromLocal ? packer$.pipe(pluck(\"data\"), take(1)) : of(undefined) // of(localStorage.getItem(\"index\"))\n\n // index$.subscribe(xx => console.log(\"INDEX\", xx))\n\n forkJoin([data$, index$])\n .pipe(\n map(([data, index]) => ({\n type: SearchMessageType.SETUP,\n data: { ...data, index }\n }))\n )\n .subscribe(message => {\n searchMessage$.next(message) // TODO: this shall not complete\n })\n\n return [search$, searchMessage$] as const\n}\n\n/**\n * Yes, this is a super hacky implementation. Needs clean up.\n */\nfunction repository() {\n const el = getElement(\".md-source[href]\") // TODO: dont use classes\n console.log(el)\n if (!el)\n return EMPTY\n\n const data = sessionStorage.getItem(\"repository\")\n if (data) {\n const x = JSON.parse(data)\n return of(x)\n }\n\n // TODO: do correct rounding, see GitHub\n function format(value: number) {\n return value > 999\n ? `${(value / 1000).toFixed(1)}k`\n : `${(value)}`\n }\n\n // github repository...\n const [, user, repo] = el.href.match(/^.+github\\.com\\/([^\\/]+)\\/?([^\\/]+)?.*$/i)\n\n // Show repo stats\n if (user && repo) {\n return ajax({\n url: `https://api.github.com/repos/${user}/${repo}`,\n responseType: \"json\"\n })\n .pipe(\n map(({ status, response }) => {\n if (status === 200) {\n const { stargazers_count, forks_count } = response\n return [\n `${format(stargazers_count)} Stars`,\n `${format(forks_count)} Forks`\n ]\n }\n return []\n }),\n tap(data => sessionStorage.setItem(\"repository\", JSON.stringify(data)))\n )\n\n // Show user or organization stats\n } else if (user) {\n return ajax({\n url: `https://api.github.com/users/${user}`,\n responseType: \"json\"\n })\n .pipe(\n map(({ status, response }) => {\n if (status === 200) {\n const { public_repos } = response\n return [\n `${format(public_repos)} Repositories`\n ]\n }\n return []\n }),\n tap(data => sessionStorage.setItem(\"repository\", JSON.stringify(data)))\n )\n }\n return of([])\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Initialize Material for MkDocs\n *\n * @param config - Configuration\n */\nexport function initialize(config: unknown) {\n if (!isConfig(config))\n throw new SyntaxError(`Invalid configuration: ${JSON.stringify(config)}`)\n\n // pass config here!?\n const agent = setupAgent() // TODO: add a config parameter here to configure media queries\n\n const [\n searchWorkerRecv$,\n searchMessage$\n ] = setupWorkers(config)\n\n // TODO: WIP repo rendering\n repository().subscribe(facts => {\n if (facts.length) {\n const sources = getElements(\".md-source__repository\")\n sources.forEach(repo => {\n repo.dataset.mdState = \"done\"\n repo.appendChild(\n renderSource(facts)\n )\n })\n }\n })\n\n /* ----------------------------------------------------------------------- */\n\n /* Create component map observable */\n const components$ = watchComponentMap(names, { document$: agent.document.load$ })\n const component = (name: Component): Observable => {\n return components$\n .pipe(\n switchComponent(name)\n )\n }\n\n /* Create header observable */\n const header$ = component(\"header\") // TODO:!\n .pipe(\n switchMap(watchHeader)\n )\n\n /* Create header shadow toggle */\n component(\"header\")\n .pipe(\n switchMap(el => main$\n .pipe(\n paintHeaderShadow(el) // technically, this could be done in paintMain\n )\n )\n )\n .subscribe()\n\n // ----------------------------------------------------------------------------\n\n // watchSearchResult // emit, if at bottom...\n // receive results as a second observable!? filter stuff, paint\n\n const result$ = searchWorkerRecv$ // move worker initialization into mountSearch ?\n .pipe(\n // tap(m => console.log(\"message from worker\", m)),\n filter(isSearchResultMessage),\n pluck(\"data\"),\n // Prefix URLs with base URL\n tap(result => result.forEach(item => {\n item.article.location = `${config.base}/${item.article.location}`\n item.sections.forEach(section => {\n section.location = `${config.base}/${section.location}`\n })\n }))\n )\n\n // handleSearchResult <-- operator\n\n const query$ = component(\"search-query\")\n .pipe(\n switchMap(el => watchSearchQuery(el, { prepare }))\n )\n\n query$\n .pipe(\n map(query => ({ // put this into some function...\n type: SearchMessageType.QUERY,\n data: query.value\n })), // TODO. ugly...\n distinctUntilKeyChanged(\"data\")\n // distinctUntilKeyChanged(\"data\")\n )\n .subscribe(searchMessage$)\n\n // create the message subject internally... and link it to the worker...?\n // watchSearchWorker(worker, agent, { query$ }) // message internally...\n\n query$\n .pipe(\n tap(query => {\n if (query.focus)\n setToggle(search, true)\n })\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n const main$ = component(\"main\")\n .pipe(\n mountMain(agent, { header$ })\n )\n\n const navigation$ = component(\"navigation\")\n .pipe(\n mountNavigation(agent, { main$ })\n )\n\n const toc$ = component(\"toc\")\n .pipe(\n mountTableOfContents(agent, { header$, main$ })\n )\n\n // TODO: naming?\n const resultComponent$ = component(\"search-result\")\n .pipe(\n mountSearchResult(agent, { result$, query$: query$.pipe(\n distinctUntilKeyChanged(\"value\"),\n pluck(\"value\")\n ) })\n ) // temporary fix\n\n const tabs$ = component(\"tabs\")\n .pipe(\n mountTabs(agent, { header$ })\n )\n\n const hero$ = component(\"hero\")\n .pipe(\n mountHero(agent, { header$ })\n )\n\n\n /* ----------------------------------------------------------------------- */\n\n const drawer = getElement(\"[data-md-toggle=drawer]\")!\n const search = getElement(\"[data-md-toggle=search]\")!\n\n const searchActive$ = watchToggle(search)\n .pipe(\n delay(400)\n )\n\n const reset$ = component(\"search-reset\")\n .pipe(\n switchMap(watchSearchReset)\n )\n\n const key$ = fromEvent(window, \"keydown\").pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey))\n )\n\n // search mode is active!\n key$.pipe(\n takeIf(searchActive$)\n // switchMapIf(searchActive$, x => {\n // console.log(\"search mode!\", x)\n // return EMPTY\n // })\n )\n .subscribe(x => console.log(\"search mode\", x))\n\n // filter arrow keys if search is active!\n searchActive$.subscribe(console.log)\n\n // shortcodes\n key$\n .pipe(\n takeIf(not(searchActive$))\n )\n .subscribe(ev => {\n if (\n document.activeElement && (\n [\"TEXTAREA\", \"SELECT\", \"INPUT\"].includes(\n document.activeElement.tagName\n ) ||\n document.activeElement instanceof HTMLElement &&\n document.activeElement.isContentEditable\n )\n ) {\n // do nothing...\n } else {\n if (ev.keyCode === 70 || ev.keyCode === 83) {\n setToggle(search, true)\n }\n }\n })\n // check which element is focused...\n // note that all links have tabindex=-1\n key$\n .pipe(\n takeIf(searchActive$),\n\n /* Abort if meta key (macOS) or ctrl key (Windows) is pressed */\n tap(ev => {\n if (ev.key === \"Enter\") {\n if (document.activeElement === getElement(\"[data-md-component=search-query]\")) {\n ev.preventDefault()\n // intercept hash change after search closed\n } else {\n setToggle(search, false)\n }\n }\n\n if (ev.key === \"ArrowUp\" || ev.key === \"ArrowDown\") {\n const active = getElements(\"[data-md-component=search-query], [data-md-component=search-result] [href]\")\n const i = Math.max(0, active.findIndex(el => el === document.activeElement))\n const x = Math.max(0, (i + active.length + (ev.keyCode === 38 ? -1 : +1)) % active.length)\n active[x].focus()\n\n /* Prevent scrolling of page */\n ev.preventDefault()\n ev.stopPropagation()\n\n } else if (ev.key === \"Escape\" || ev.key === \"Tab\") {\n setToggle(search, false)\n getElement(\"[data-md-component=search-query]\")!.blur()\n\n } else {\n if (search.checked && document.activeElement !== getElement(\"[data-md-component=search-query]\")) {\n getElement(\"[data-md-component=search-query]\")!.focus()\n }\n }\n })\n )\n .subscribe()\n\n // TODO: close search on hashchange\n // anchor jump -> always close drawer + search\n\n // focus search on reset, on toggle and on keypress if open\n merge(searchActive$.pipe(filter(identity)), reset$)\n .pipe(\n switchMapTo(component(\"search-query\")),\n tap(el => el.focus()) // TODO: only if element isnt focused! setFocus? setToggle?\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n /* Open details before printing */\n merge(\n watchMedia(\"print\").pipe(filter(identity)), // Webkit\n fromEvent(window, \"beforeprint\") // IE, FF\n )\n .subscribe(() => {\n const details = document.querySelectorAll(\"details\")\n Array.prototype.forEach.call(details, detail => {\n detail.setAttribute(\"open\", \"\")\n })\n })\n\n /* ----------------------------------------------------------------------- */\n\n const state = {\n search: {\n query$,\n result$: resultComponent$,\n reset$,\n },\n main$,\n navigation$,\n toc$,\n tabs$,\n hero$\n }\n\n const { search: temp, ...rest } = state\n merge(...values(rest), ...values(temp))\n .subscribe() // potential memleak <-- use takeUntil\n\n return {\n agent,\n state\n }\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject } from \"rxjs\"\n\nimport {\n ViewportOffset,\n ViewportSize,\n watchDocument,\n watchLocation,\n watchLocationHash,\n watchMedia,\n watchViewportOffset,\n watchViewportSize\n} from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Agent document\n */\nexport interface AgentDocument {\n load$: Observable /* Document observable */\n}\n\n/**\n * Agent location\n */\nexport interface AgentLocation {\n href$: Subject /* Location subject */\n hash$: Observable /* Location hash observable */\n}\n\n/**\n * Agent media\n */\nexport interface AgentMedia {\n tablet$: Observable /* Media observable for tablet */\n screen$: Observable /* Media observable for screen */\n}\n\n/**\n * Agent viewport\n */\nexport interface AgentViewport {\n offset$: Observable /* Viewport offset observable */\n size$: Observable /* Viewport size observable */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Agent\n */\nexport interface Agent {\n document: AgentDocument /* Document observables */\n location: AgentLocation /* Location observables */\n media: AgentMedia /* Media observables */\n viewport: AgentViewport /* Viewport observables */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create the agent\n *\n * This function returns a data structure that contains all observables that\n * are related to the browser and/or environment.\n *\n * @return Agent\n */\nexport function setupAgent(): Agent {\n return {\n document: {\n load$: watchDocument()\n },\n location: {\n href$: watchLocation(),\n hash$: watchLocationHash()\n },\n media: {\n tablet$: watchMedia(\"(min-width: 960px)\"),\n screen$: watchMedia(\"(min-width: 1220px)\")\n },\n viewport: {\n offset$: watchViewportOffset(),\n size$: watchViewportSize()\n }\n }\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { keys } from \"ramda\"\nimport { NEVER, Observable, OperatorFunction, of, pipe } from \"rxjs\"\nimport { map, scan, shareReplay, switchMap } from \"rxjs/operators\"\n\nimport { getElement } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component names\n */\nexport type Component =\n | \"container\" /* Container */\n | \"header\" /* Header */\n | \"header-title\" /* Header title */\n | \"hero\" /* Hero */\n | \"main\" /* Main area */\n | \"navigation\" /* Navigation */\n | \"search\" /* Search */\n | \"search-query\" /* Search input */\n | \"search-reset\" /* Search reset */\n | \"search-result\" /* Search results */\n | \"tabs\" /* Tabs */\n | \"toc\" /* Table of contents */\n\n/**\n * Component map\n */\nexport type ComponentMap = {\n [P in Component]?: HTMLElement\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Options\n */\ninterface Options {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch component mapping\n *\n * This function returns an observable that will maintain bindings to the given\n * components in-between document switches and update the document in-place.\n *\n * @param names - Component names\n * @param options - Options\n *\n * @return Component mapping observable\n */\nexport function watchComponentMap(\n names: Component[], { document$ }: Options\n): Observable {\n const components$ = document$\n .pipe(\n\n /* Build component map */\n map(document => names.reduce((components, name) => {\n const el = getElement(`[data-md-component=${name}]`, document)\n return {\n ...components,\n ...typeof el !== \"undefined\" ? { [name]: el } : {}\n }\n }, {})),\n\n /* Re-compute component map on document switch */\n scan((prev, next) => {\n for (const name of keys(prev)) {\n switch (name) {\n\n /* Top-level components: update */\n case \"header-title\":\n case \"container\":\n if (name in prev && typeof prev[name] !== \"undefined\") {\n prev[name]!.replaceWith(next[name]!)\n prev[name] = next[name]\n }\n break\n\n /* All other components: rebind */\n default:\n prev[name] = getElement(`[data-md-component=${name}]`)\n }\n }\n return prev\n })\n )\n\n /* Return component map as hot observable */\n return components$\n .pipe(\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Switch to component\n *\n * @template T - Element type\n *\n * @param name - Component name\n *\n * @return Operator function\n */\nexport function switchComponent(\n name: Component\n): OperatorFunction {\n return pipe(\n switchMap(components => {\n return typeof components[name] !== \"undefined\"\n ? of(components[name] as T)\n : NEVER\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n finalize,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { resetHeaderShadow, setHeaderShadow } from \"actions\"\n\nimport { MainState } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint header shadow from source observable\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function paintHeaderShadow(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n distinctUntilKeyChanged(\"active\"),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ active }) => {\n setHeaderShadow(el, active)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeaderShadow(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header shadow\n *\n * @param el - Header element\n * @param value - Whether the shadow is shown\n */\nexport function setHeaderShadow(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"shadow\" : \"\")\n}\n\n/**\n * Reset header shadow\n *\n * @param el - Header element\n */\nexport function resetHeaderShadow(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2019 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable } from \"rxjs\"\nimport { map } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Invert boolean value of source observable\n *\n * @param toggle$ - Toggle observable\n *\n * @return Inverted toggle observable\n */\nexport function not(\n toggle$: Observable\n): Observable {\n return toggle$\n .pipe(\n map(active => !active)\n )\n}\n"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/stylesheets/app.css b/material/assets/stylesheets/app.css index fb75aeceb..091d92918 100644 --- a/material/assets/stylesheets/app.css +++ b/material/assets/stylesheets/app.css @@ -954,9 +954,9 @@ hr { transition: background 0.25s; outline: 0; overflow: hidden; } - .md-search-result__link[data-md-state="active"], .md-search-result__link:hover { + .md-search-result__link:focus, .md-search-result__link:hover { background-color: rgba(83, 109, 254, 0.1); } - .md-search-result__link[data-md-state="active"] .md-search-result__article::before, .md-search-result__link:hover .md-search-result__article::before { + .md-search-result__link:focus .md-search-result__article::before, .md-search-result__link:hover .md-search-result__article::before { opacity: 0.7; } .md-search-result__link:last-child .md-search-result__teaser { margin-bottom: 0.6rem; } diff --git a/material/assets/stylesheets/app.min.css b/material/assets/stylesheets/app.min.css index 6396837bb..472b8248d 100644 --- a/material/assets/stylesheets/app.min.css +++ b/material/assets/stylesheets/app.min.css @@ -1,2 +1,2 @@ -@charset "UTF-8";@-webkit-keyframes md-source__facts--done{0%{height:0}to{height:.65rem}}@keyframes md-source__facts--done{0%{height:0}to{height:.65rem}}@-webkit-keyframes md-source__fact--done{0%{-webkit-transform:translateY(100%);transform:translateY(100%);opacity:0}50%{opacity:0}to{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}}@keyframes md-source__fact--done{0%{-webkit-transform:translateY(100%);transform:translateY(100%);opacity:0}50%{opacity:0}to{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}}html{box-sizing:border-box;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;-ms-text-size-adjust:none;text-size-adjust:none;min-height:100%;background-color:#fff;font-size:125%;overflow-x:hidden}*,::after,::before{box-sizing:inherit}body{margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,hr{padding:0;border:0}hr{overflow:visible;box-sizing:content-box;display:block;height:.05rem}a{-webkit-text-decoration-skip:objects;color:inherit;text-decoration:none}a,button,input,label{-webkit-tap-highlight-color:transparent}small,sub,sup{font-size:80%}sub,sup{position:relative;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}table{border-collapse:separate;border-spacing:0}td,th{font-weight:400;vertical-align:top}button{margin:0;outline-style:none;background:0 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pointer; }\n\n.md-icon--arrow-back::before {\n content: \"\"; }\n\n.md-icon--arrow-forward::before {\n content: \"\"; }\n\n.md-icon--menu::before {\n content: \"\"; }\n\n.md-icon--search::before {\n content: \"\"; }\n\n[dir=\"rtl\"] .md-icon--arrow-back::before {\n content: \"\"; }\n\n[dir=\"rtl\"] .md-icon--arrow-forward::before {\n content: \"\"; }\n\nbody {\n -webkit-font-smoothing: antialiased;\n -moz-osx-font-smoothing: grayscale; }\n\nbody,\ninput {\n color: rgba(0, 0, 0, 0.87);\n font-feature-settings: \"kern\", \"liga\";\n font-family: \"Helvetica Neue\", Helvetica, Arial, sans-serif; }\n\npre,\ncode,\nkbd {\n color: rgba(0, 0, 0, 0.87);\n font-feature-settings: \"kern\";\n font-family: \"Courier New\", Courier, monospace; }\n\n.md-typeset {\n font-size: 0.8rem;\n line-height: 1.6;\n -webkit-print-color-adjust: exact; }\n .md-typeset p,\n .md-typeset ul,\n .md-typeset ol,\n .md-typeset blockquote {\n margin: 1em 0; }\n .md-typeset h1 {\n margin: 0 0 2rem;\n color: rgba(0, 0, 0, 0.54);\n font-size: 1.5625rem;\n font-weight: 300;\n letter-spacing: -0.01em;\n line-height: 1.3; }\n .md-typeset h2 {\n margin: 2rem 0 0.8rem;\n font-size: 1.25rem;\n font-weight: 300;\n letter-spacing: -0.01em;\n line-height: 1.4; }\n .md-typeset h3 {\n margin: 1.6rem 0 0.8rem;\n font-size: 1rem;\n font-weight: 400;\n letter-spacing: -0.01em;\n line-height: 1.5; }\n .md-typeset h2 + h3 {\n margin-top: 0.8rem; }\n .md-typeset h4 {\n margin: 0.8rem 0;\n font-size: 0.8rem;\n font-weight: 700;\n letter-spacing: -0.01em; }\n .md-typeset h5,\n .md-typeset h6 {\n margin: 0.8rem 0;\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem;\n font-weight: 700;\n letter-spacing: -0.01em; }\n .md-typeset h5 {\n text-transform: uppercase; }\n .md-typeset hr {\n margin: 1.5em 0;\n border-bottom: 0.05rem dotted rgba(0, 0, 0, 0.26); }\n .md-typeset a {\n color: #3f51b5;\n word-break: break-word; }\n .md-typeset a, .md-typeset a::before {\n -webkit-transition: color 0.125s;\n transition: color 0.125s; }\n .md-typeset a:hover, .md-typeset a:active {\n color: #536dfe; }\n .md-typeset code,\n .md-typeset pre {\n background-color: rgba(236, 236, 236, 0.5);\n color: #37474F;\n font-size: 85%;\n direction: ltr; }\n .md-typeset code {\n margin: 0 0.29412em;\n padding: 0.07353em 0;\n border-radius: 0.1rem;\n box-shadow: 0.29412em 0 0 rgba(236, 236, 236, 0.5), -0.29412em 0 0 rgba(236, 236, 236, 0.5);\n word-break: break-word;\n -webkit-box-decoration-break: clone;\n box-decoration-break: clone; }\n .md-typeset h1 code,\n .md-typeset h2 code,\n .md-typeset h3 code,\n .md-typeset h4 code,\n .md-typeset h5 code,\n .md-typeset h6 code {\n margin: 0;\n background-color: transparent;\n box-shadow: none; }\n .md-typeset a > code {\n margin: inherit;\n padding: inherit;\n border-radius: initial;\n background-color: inherit;\n color: inherit;\n box-shadow: none; }\n .md-typeset pre {\n position: relative;\n margin: 1em 0;\n border-radius: 0.1rem;\n line-height: 1.4;\n -webkit-overflow-scrolling: touch; }\n .md-typeset pre > code {\n display: block;\n margin: 0;\n padding: 0.525rem 0.6rem;\n background-color: transparent;\n font-size: inherit;\n box-shadow: none;\n -webkit-box-decoration-break: slice;\n box-decoration-break: slice;\n overflow: auto; }\n .md-typeset pre > code::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-typeset pre > code::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-typeset pre > code::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n .md-typeset kbd {\n padding: 0 0.29412em;\n border: 0.05rem solid #c9c9c9;\n border-radius: 0.15rem;\n border-bottom-color: #bcbcbc;\n background-color: #FCFCFC;\n color: #555555;\n font-size: 85%;\n box-shadow: 0 0.05rem 0 #b0b0b0;\n word-break: break-word; }\n .md-typeset mark {\n margin: 0 0.25em;\n padding: 0.0625em 0;\n border-radius: 0.1rem;\n background-color: rgba(255, 235, 59, 0.5);\n box-shadow: 0.25em 0 0 rgba(255, 235, 59, 0.5), -0.25em 0 0 rgba(255, 235, 59, 0.5);\n word-break: break-word;\n -webkit-box-decoration-break: clone;\n box-decoration-break: clone; }\n .md-typeset abbr {\n border-bottom: 0.05rem dotted rgba(0, 0, 0, 0.54);\n text-decoration: none;\n cursor: help; }\n .md-typeset small {\n opacity: 0.75; }\n .md-typeset sup,\n .md-typeset sub {\n margin-left: 0.07812em; }\n [dir=\"rtl\"] .md-typeset sup, [dir=\"rtl\"]\n .md-typeset sub {\n margin-right: 0.07812em;\n margin-left: initial; }\n .md-typeset blockquote {\n padding-left: 0.6rem;\n border-left: 0.2rem solid rgba(0, 0, 0, 0.26);\n color: rgba(0, 0, 0, 0.54); }\n [dir=\"rtl\"] .md-typeset blockquote {\n padding-right: 0.6rem;\n padding-left: initial;\n border-right: 0.2rem solid rgba(0, 0, 0, 0.26);\n border-left: initial; }\n .md-typeset ul {\n list-style-type: disc; }\n .md-typeset ul,\n .md-typeset ol {\n margin-left: 0.625em;\n padding: 0; }\n [dir=\"rtl\"] .md-typeset ul, [dir=\"rtl\"]\n .md-typeset ol {\n margin-right: 0.625em;\n margin-left: initial; }\n .md-typeset ul ol,\n .md-typeset ol ol {\n list-style-type: lower-alpha; }\n .md-typeset ul ol ol,\n .md-typeset ol ol ol {\n list-style-type: lower-roman; }\n .md-typeset ul li,\n .md-typeset ol li {\n margin-bottom: 0.5em;\n margin-left: 1.25em; }\n [dir=\"rtl\"] .md-typeset ul li, [dir=\"rtl\"]\n .md-typeset ol li {\n margin-right: 1.25em;\n margin-left: initial; }\n .md-typeset ul li p,\n .md-typeset ul li blockquote,\n .md-typeset ol li p,\n .md-typeset ol li blockquote {\n margin: 0.5em 0; }\n .md-typeset ul li:last-child,\n .md-typeset ol li:last-child {\n margin-bottom: 0; }\n .md-typeset ul li ul,\n .md-typeset ul li ol,\n .md-typeset ol li ul,\n .md-typeset ol li ol {\n margin: 0.5em 0 0.5em 0.625em; }\n [dir=\"rtl\"] .md-typeset ul li ul, [dir=\"rtl\"]\n .md-typeset ul li ol, [dir=\"rtl\"]\n .md-typeset ol li ul, [dir=\"rtl\"]\n .md-typeset ol li ol {\n margin-right: 0.625em;\n margin-left: initial; }\n .md-typeset dd {\n margin: 1em 0 1em 1.875em; }\n [dir=\"rtl\"] .md-typeset dd {\n margin-right: 1.875em;\n margin-left: initial; }\n .md-typeset iframe,\n .md-typeset img,\n .md-typeset svg {\n max-width: 100%; }\n .md-typeset table:not([class]) {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n display: inline-block;\n max-width: 100%;\n border-radius: 0.1rem;\n font-size: 0.64rem;\n overflow: auto;\n -webkit-overflow-scrolling: touch; }\n .md-typeset table:not([class]) + * {\n margin-top: 1.5em; }\n .md-typeset table:not([class]) th:not([align]),\n .md-typeset table:not([class]) td:not([align]) {\n text-align: left; }\n [dir=\"rtl\"] .md-typeset table:not([class]) th:not([align]), [dir=\"rtl\"]\n .md-typeset table:not([class]) td:not([align]) {\n text-align: right; }\n .md-typeset table:not([class]) th {\n min-width: 5rem;\n padding: 0.6rem 0.8rem;\n background-color: rgba(0, 0, 0, 0.54);\n color: white;\n vertical-align: top; }\n .md-typeset table:not([class]) td {\n padding: 0.6rem 0.8rem;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07);\n vertical-align: top; }\n .md-typeset table:not([class]) tr {\n -webkit-transition: background-color 0.125s;\n transition: background-color 0.125s; }\n .md-typeset table:not([class]) tr:hover {\n background-color: rgba(0, 0, 0, 0.035);\n box-shadow: 0 0.05rem 0 white inset; }\n .md-typeset table:not([class]) tr:first-child td {\n border-top: 0; }\n .md-typeset table:not([class]) a {\n word-break: normal; }\n .md-typeset__scrollwrap {\n margin: 1em -0.8rem;\n overflow-x: auto;\n -webkit-overflow-scrolling: touch; }\n .md-typeset .md-typeset__table {\n display: inline-block;\n margin-bottom: 0.5em;\n padding: 0 0.8rem; }\n .md-typeset .md-typeset__table table {\n display: table;\n width: 100%;\n margin: 0;\n overflow: hidden; }\n\nhtml {\n min-height: 100%;\n background-color: white;\n font-size: 125%;\n overflow-x: hidden; }\n\nbody {\n position: relative;\n min-height: 100%;\n font-size: 0.5rem; }\n\nhr {\n display: block;\n height: 0.05rem;\n padding: 0;\n border: 0; }\n\n.md-grid {\n max-width: 61rem;\n margin-right: auto;\n margin-left: auto; }\n\n.md-container,\n.md-main {\n overflow: auto; }\n\n.md-container {\n display: table;\n width: 100%;\n height: 100%;\n table-layout: fixed; }\n\n.md-main {\n display: table-row;\n height: 100%; }\n .md-main__inner {\n height: 100%;\n padding-top: 1.5rem;\n padding-bottom: 0.05rem; }\n\n.md-toggle {\n display: none; }\n\n.md-overlay {\n position: fixed;\n top: 0;\n width: 0;\n height: 0;\n -webkit-transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n background-color: rgba(0, 0, 0, 0.54);\n opacity: 0;\n z-index: 3; }\n\n.md-flex {\n display: table; }\n .md-flex__cell {\n display: table-cell;\n position: relative;\n vertical-align: top; }\n .md-flex__cell--shrink {\n width: 0%; }\n .md-flex__cell--stretch {\n display: table;\n width: 100%;\n table-layout: fixed; }\n .md-flex__ellipsis {\n display: table-cell;\n text-overflow: ellipsis;\n white-space: nowrap;\n overflow: hidden; }\n\n.md-skip {\n position: fixed;\n width: 0.05rem;\n height: 0.05rem;\n margin: 0.5rem;\n padding: 0.3rem 0.5rem;\n -webkit-transform: translateY(0.4rem);\n transform: translateY(0.4rem);\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.87);\n color: white;\n font-size: 0.64rem;\n opacity: 0;\n overflow: hidden; }\n .md-skip:focus {\n width: auto;\n height: auto;\n clip: auto;\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 1;\n z-index: 10; }\n\n@page {\n margin: 25mm; }\n\n.md-announcement {\n background-color: rgba(0, 0, 0, 0.87); }\n .md-announcement__inner {\n min-height: 2.4rem;\n padding: 0 0.8rem;\n color: white;\n font-size: 0.7rem;\n line-height: 2.4rem; }\n\n.md-clipboard {\n position: absolute;\n top: 0.3rem;\n right: 0.3rem;\n width: 1.4rem;\n height: 1.4rem;\n border-radius: 0.1rem;\n font-size: 0.8rem;\n cursor: pointer;\n z-index: 1;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden; }\n .md-clipboard::before {\n -webkit-transition: color 0.25s, opacity 0.25s;\n transition: color 0.25s, opacity 0.25s;\n color: rgba(0, 0, 0, 0.07);\n content: \"\\E14D\"; }\n pre:hover .md-clipboard::before,\n .codehilite:hover .md-clipboard::before,\n .md-typeset .highlight:hover .md-clipboard::before {\n color: rgba(0, 0, 0, 0.54); }\n .md-clipboard:focus::before, .md-clipboard:hover::before {\n color: #536dfe; }\n .md-clipboard__message {\n display: block;\n position: absolute;\n top: 0;\n right: 1.7rem;\n padding: 0.3rem 0.5rem;\n -webkit-transform: translateX(0.4rem);\n transform: translateX(0.4rem);\n -webkit-transition: opacity 0.175s, -webkit-transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0);\n transition: opacity 0.175s, -webkit-transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0);\n transition: transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0), opacity 0.175s;\n transition: transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0), opacity 0.175s, -webkit-transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0);\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.54);\n color: white;\n font-size: 0.64rem;\n white-space: nowrap;\n opacity: 0;\n pointer-events: none; }\n .md-clipboard__message--active {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 1;\n pointer-events: initial; }\n .md-clipboard__message::before {\n content: attr(aria-label); }\n .md-clipboard__message::after {\n display: block;\n position: absolute;\n top: 50%;\n right: -0.2rem;\n width: 0;\n margin-top: -0.2rem;\n border-width: 0.2rem 0 0.2rem 0.2rem;\n border-style: solid;\n border-color: transparent rgba(0, 0, 0, 0.54);\n content: \"\"; }\n\n.md-content__inner {\n margin: 0 0.8rem 1.2rem;\n padding-top: 0.6rem; }\n .md-content__inner::before {\n display: block;\n height: 0.4rem;\n content: \"\"; }\n .md-content__inner > :last-child {\n margin-bottom: 0; }\n\n.md-content__icon {\n position: relative;\n margin: 0.4rem 0;\n padding: 0;\n float: right; }\n .md-typeset .md-content__icon {\n color: rgba(0, 0, 0, 0.26); }\n\n.md-header {\n position: -webkit-sticky;\n position: sticky;\n top: 0;\n right: 0;\n left: 0;\n height: 2.4rem;\n -webkit-transition: background-color 0.25s, color 0.25s;\n transition: background-color 0.25s, color 0.25s;\n background-color: #3f51b5;\n color: white;\n box-shadow: none;\n z-index: 2;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden; }\n .no-js .md-header {\n -webkit-transition: none;\n transition: none;\n box-shadow: none; }\n .md-header[data-md-state=\"shadow\"] {\n -webkit-transition: background-color 0.25s, color 0.25s, box-shadow 0.25s;\n transition: background-color 0.25s, color 0.25s, box-shadow 0.25s;\n box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.1), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.2); }\n\n.md-header-nav {\n padding: 0 0.2rem; }\n .md-header-nav__button {\n position: relative;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s;\n z-index: 1; }\n .md-header-nav__button:hover {\n opacity: 0.7; }\n .md-header-nav__button.md-logo * {\n display: block; }\n .no-js .md-header-nav__button.md-icon--search {\n display: none; }\n .md-header-nav__topic {\n display: block;\n position: absolute;\n width: calc(100% - 1rem);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n text-overflow: ellipsis;\n white-space: nowrap;\n overflow: hidden; }\n .md-header-nav__topic + .md-header-nav__topic {\n -webkit-transform: translateX(1.25rem);\n transform: translateX(1.25rem);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n opacity: 0;\n z-index: -1;\n pointer-events: none; }\n [dir=\"rtl\"] .md-header-nav__topic + .md-header-nav__topic {\n -webkit-transform: translateX(-1.25rem);\n transform: translateX(-1.25rem); }\n .no-js .md-header-nav__topic {\n position: initial; }\n .no-js .md-header-nav__topic + .md-header-nav__topic {\n display: none; }\n .md-header-nav__title {\n padding: 0 1rem;\n font-size: 0.9rem;\n line-height: 2.4rem; }\n .md-header-nav__title[data-md-state=\"active\"] .md-header-nav__topic {\n -webkit-transform: translateX(-1.25rem);\n transform: translateX(-1.25rem);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n opacity: 0;\n z-index: -1;\n pointer-events: none; }\n [dir=\"rtl\"] .md-header-nav__title[data-md-state=\"active\"] .md-header-nav__topic {\n -webkit-transform: translateX(1.25rem);\n transform: translateX(1.25rem); }\n .md-header-nav__title[data-md-state=\"active\"] .md-header-nav__topic + .md-header-nav__topic {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n opacity: 1;\n z-index: 0;\n pointer-events: initial; }\n .md-header-nav__source {\n display: none; }\n\n.md-hero {\n -webkit-transition: background 0.25s;\n transition: background 0.25s;\n background-color: #3f51b5;\n color: white;\n font-size: 1rem;\n overflow: hidden; }\n .md-hero__inner {\n margin-top: 1rem;\n padding: 0.8rem 0.8rem 0.4rem;\n -webkit-transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n -webkit-transition-delay: 0.1s;\n transition-delay: 0.1s; }\n [data-md-state=\"hidden\"] .md-hero__inner {\n pointer-events: none;\n -webkit-transform: translateY(0.625rem);\n transform: translateY(0.625rem);\n -webkit-transition: opacity 0.1s 0s, -webkit-transform 0s 0.4s;\n transition: opacity 0.1s 0s, -webkit-transform 0s 0.4s;\n transition: transform 0s 0.4s, opacity 0.1s 0s;\n transition: transform 0s 0.4s, opacity 0.1s 0s, -webkit-transform 0s 0.4s;\n opacity: 0; }\n .md-hero--expand .md-hero__inner {\n margin-bottom: 1.2rem; }\n\n.md-footer-nav {\n background-color: rgba(0, 0, 0, 0.87);\n color: white; }\n .md-footer-nav__inner {\n padding: 0.2rem;\n overflow: auto; }\n .md-footer-nav__link {\n padding-top: 1.4rem;\n padding-bottom: 0.4rem;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s; }\n .md-footer-nav__link:hover {\n opacity: 0.7; }\n .md-footer-nav__link--prev {\n width: 25%;\n float: left; }\n [dir=\"rtl\"] .md-footer-nav__link--prev {\n float: right; }\n .md-footer-nav__link--next {\n width: 75%;\n float: right;\n text-align: right; }\n [dir=\"rtl\"] .md-footer-nav__link--next {\n float: left;\n text-align: left; }\n .md-footer-nav__button {\n -webkit-transition: background 0.25s;\n transition: background 0.25s; }\n .md-footer-nav__title {\n position: relative;\n padding: 0 1rem;\n font-size: 0.9rem;\n line-height: 2.4rem; }\n .md-footer-nav__direction {\n position: absolute;\n right: 0;\n left: 0;\n margin-top: -1rem;\n padding: 0 1rem;\n color: rgba(255, 255, 255, 0.7);\n font-size: 0.75rem; }\n\n.md-footer-meta {\n background-color: rgba(0, 0, 0, 0.895); }\n .md-footer-meta__inner {\n padding: 0.2rem;\n overflow: auto; }\n html .md-footer-meta.md-typeset a {\n color: rgba(255, 255, 255, 0.7); }\n html .md-footer-meta.md-typeset a:focus, html .md-footer-meta.md-typeset a:hover {\n color: white; }\n\n.md-footer-copyright {\n margin: 0 0.6rem;\n padding: 0.4rem 0;\n color: rgba(255, 255, 255, 0.3);\n font-size: 0.64rem; }\n .md-footer-copyright__highlight {\n color: rgba(255, 255, 255, 0.7); }\n\n.md-footer-social {\n margin: 0 0.4rem;\n padding: 0.2rem 0 0.6rem; }\n .md-footer-social__link {\n display: inline-block;\n width: 1.6rem;\n height: 1.6rem;\n font-size: 0.8rem;\n text-align: center; }\n .md-footer-social__link::before {\n line-height: 1.9; }\n .md-footer-social__link svg {\n width: 0.8rem;\n -webkit-transition: fill 0.25s;\n transition: fill 0.25s;\n vertical-align: -25%;\n fill: rgba(255, 255, 255, 0.7); }\n .md-footer-social__link:focus svg,\n .md-footer-social__link:hover svg {\n fill: white; }\n\n.md-nav {\n font-size: 0.7rem;\n line-height: 1.3; }\n .md-nav__title {\n display: block;\n padding: 0 0.6rem;\n font-weight: 700;\n text-overflow: ellipsis;\n overflow: hidden; }\n .md-nav__title::before {\n display: none;\n content: \"\\E5C4\"; }\n [dir=\"rtl\"] .md-nav__title::before {\n content: \"\\E5C8\"; }\n .md-nav__title .md-nav__button {\n display: none; }\n .md-nav__list {\n margin: 0;\n padding: 0;\n list-style: none; }\n .md-nav__item {\n padding: 0 0.6rem; }\n .md-nav__item:last-child {\n padding-bottom: 0.6rem; }\n .md-nav__item .md-nav__item {\n padding-right: 0; }\n [dir=\"rtl\"] .md-nav__item .md-nav__item {\n padding-right: 0.6rem;\n padding-left: 0; }\n .md-nav__item .md-nav__item:last-child {\n padding-bottom: 0; }\n .md-nav__button img {\n width: 100%;\n height: auto; }\n .md-nav__link {\n display: block;\n margin-top: 0.625em;\n -webkit-transition: color 0.125s;\n transition: color 0.125s;\n text-overflow: ellipsis;\n cursor: pointer;\n overflow: hidden; }\n .md-nav__item--nested > .md-nav__link::after {\n content: \"\\E313\"; }\n html .md-nav__link[for=\"__toc\"] {\n display: none; }\n html .md-nav__link[for=\"__toc\"] ~ .md-nav {\n display: none; }\n html .md-nav__link[for=\"__toc\"] + .md-nav__link::after {\n display: none; }\n .md-nav__link[data-md-state=\"blur\"] {\n color: rgba(0, 0, 0, 0.54); }\n .md-nav__link:active, .md-nav__link--active {\n color: #3f51b5; }\n .md-nav__item--nested > .md-nav__link {\n color: inherit; }\n .md-nav__link:focus, .md-nav__link:hover {\n color: #536dfe; }\n .md-nav__source {\n display: none; }\n\n.no-js .md-search {\n display: none; }\n\n.md-search__overlay {\n opacity: 0;\n z-index: 1; }\n\n.md-search__form {\n position: relative; }\n\n.md-search__input {\n position: relative;\n padding: 0 2.2rem 0 3.6rem;\n text-overflow: ellipsis;\n z-index: 2; }\n [dir=\"rtl\"] .md-search__input {\n padding: 0 3.6rem 0 2.2rem; }\n .md-search__input::-webkit-input-placeholder {\n -webkit-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::-moz-placeholder {\n -moz-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input:-ms-input-placeholder {\n -ms-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::-ms-input-placeholder {\n -ms-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::placeholder {\n -webkit-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::-webkit-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input::-moz-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input:-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input::-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input ~ .md-search__icon, .md-search__input::placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input::-ms-clear {\n display: none; }\n\n.md-search__icon {\n position: absolute;\n -webkit-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n font-size: 1.2rem;\n cursor: pointer;\n z-index: 2; }\n .md-search__icon:hover {\n opacity: 0.7; }\n .md-search__icon[for=\"__search\"] {\n top: 0.3rem;\n left: 0.5rem; }\n [dir=\"rtl\"] .md-search__icon[for=\"__search\"] {\n right: 0.5rem;\n left: initial; }\n .md-search__icon[for=\"__search\"]::before {\n content: \"\\E8B6\"; }\n .md-search__icon[type=\"reset\"] {\n top: 0.3rem;\n right: 0.5rem;\n -webkit-transform: scale(0.125);\n transform: scale(0.125);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.15s, -webkit-transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s;\n transition: transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s, -webkit-transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n opacity: 0; }\n [dir=\"rtl\"] .md-search__icon[type=\"reset\"] {\n right: initial;\n left: 0.5rem; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=\"reset\"] {\n -webkit-transform: scale(1);\n transform: scale(1);\n opacity: 1; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=\"reset\"]:hover {\n opacity: 0.7; }\n\n.md-search__output {\n position: absolute;\n width: 100%;\n border-radius: 0 0 0.1rem 0.1rem;\n overflow: hidden;\n z-index: 1; }\n\n.md-search__scrollwrap {\n height: 100%;\n background-color: white;\n box-shadow: 0 0.05rem 0 rgba(0, 0, 0, 0.07) inset;\n overflow-y: auto;\n -webkit-overflow-scrolling: touch; }\n\n.md-search-result {\n color: rgba(0, 0, 0, 0.87);\n word-break: break-word; }\n .md-search-result__meta {\n padding: 0 0.8rem;\n background-color: rgba(0, 0, 0, 0.07);\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem;\n line-height: 1.8rem; }\n .md-search-result__list {\n margin: 0;\n padding: 0;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07);\n list-style: none; }\n .md-search-result__item {\n box-shadow: 0 -0.05rem 0 rgba(0, 0, 0, 0.07); }\n .md-search-result__link {\n display: block;\n -webkit-transition: background 0.25s;\n transition: background 0.25s;\n outline: 0;\n overflow: hidden; }\n .md-search-result__link[data-md-state=\"active\"], .md-search-result__link:hover {\n background-color: rgba(83, 109, 254, 0.1); }\n .md-search-result__link[data-md-state=\"active\"] .md-search-result__article::before, .md-search-result__link:hover .md-search-result__article::before {\n opacity: 0.7; }\n .md-search-result__link:last-child .md-search-result__teaser {\n margin-bottom: 0.6rem; }\n .md-search-result__article {\n position: relative;\n padding: 0 0.8rem;\n overflow: auto; }\n .md-search-result__article--document::before {\n position: absolute;\n left: 0;\n margin: 0.1rem;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s;\n color: rgba(0, 0, 0, 0.54);\n content: \"\\E880\"; }\n [dir=\"rtl\"] .md-search-result__article--document::before {\n right: 0;\n left: initial; }\n .md-search-result__article--document .md-search-result__title {\n margin: 0.55rem 0;\n font-size: 0.8rem;\n font-weight: 400;\n line-height: 1.4; }\n .md-search-result__title {\n margin: 0.5em 0;\n font-size: 0.64rem;\n font-weight: 700;\n line-height: 1.4; }\n .md-search-result__teaser {\n display: -webkit-box;\n max-height: 1.65rem;\n margin: 0.5em 0;\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem;\n line-height: 1.4;\n text-overflow: ellipsis;\n overflow: hidden;\n -webkit-box-orient: vertical;\n -webkit-line-clamp: 2; }\n .md-search-result em {\n font-style: normal;\n font-weight: 700;\n text-decoration: underline; }\n\n.md-sidebar {\n position: absolute;\n width: 12.1rem;\n padding: 1.2rem 0;\n overflow: hidden; }\n .md-sidebar[data-md-state=\"lock\"] {\n position: fixed;\n top: 2.4rem; }\n .md-sidebar--secondary {\n display: none; }\n .md-sidebar__scrollwrap {\n max-height: 100%;\n margin: 0 0.2rem;\n overflow-y: auto;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden; }\n .md-sidebar__scrollwrap::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-sidebar__scrollwrap::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n\n@-webkit-keyframes md-source__facts--done {\n 0% {\n height: 0; }\n 100% {\n height: 0.65rem; } }\n\n@keyframes md-source__facts--done {\n 0% {\n height: 0; }\n 100% {\n height: 0.65rem; } }\n\n@-webkit-keyframes md-source__fact--done {\n 0% {\n -webkit-transform: translateY(100%);\n transform: translateY(100%);\n opacity: 0; }\n 50% {\n opacity: 0; }\n 100% {\n -webkit-transform: translateY(0%);\n transform: translateY(0%);\n opacity: 1; } }\n\n@keyframes md-source__fact--done {\n 0% {\n -webkit-transform: translateY(100%);\n transform: translateY(100%);\n opacity: 0; }\n 50% {\n opacity: 0; }\n 100% {\n -webkit-transform: translateY(0%);\n transform: translateY(0%);\n opacity: 1; } }\n\n.md-source {\n display: block;\n padding-right: 0.6rem;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s;\n font-size: 0.65rem;\n line-height: 1.2;\n white-space: nowrap; }\n [dir=\"rtl\"] .md-source {\n padding-right: initial;\n padding-left: 0.6rem; }\n .md-source:hover {\n opacity: 0.7; }\n .md-source::after {\n display: inline-block;\n height: 2.4rem;\n content: \"\";\n vertical-align: middle; }\n .md-source__icon {\n display: inline-block;\n width: 2.4rem;\n height: 2.4rem;\n vertical-align: middle; }\n .md-source__icon svg {\n width: 1.2rem;\n height: 1.2rem;\n margin-top: 0.6rem;\n margin-left: 0.6rem;\n fill: white; }\n [dir=\"rtl\"] .md-source__icon svg {\n margin-right: 0.6rem;\n margin-left: initial; }\n .md-source__icon + .md-source__repository {\n margin-left: -2rem;\n padding-left: 2rem; }\n [dir=\"rtl\"] .md-source__icon + .md-source__repository {\n margin-right: -2rem;\n margin-left: initial;\n padding-right: 2rem;\n padding-left: initial; }\n .md-source__repository {\n display: inline-block;\n max-width: 100%;\n margin-left: 0.6rem;\n font-weight: 700;\n text-overflow: ellipsis;\n overflow: hidden;\n vertical-align: middle; }\n .md-source__facts {\n margin: 0;\n padding: 0;\n font-size: 0.55rem;\n font-weight: 700;\n list-style-type: none;\n opacity: 0.75;\n overflow: hidden; }\n [data-md-state=\"done\"] .md-source__facts {\n -webkit-animation: md-source__facts--done 0.25s ease-in;\n animation: md-source__facts--done 0.25s ease-in; }\n .md-source__fact {\n float: left; }\n [dir=\"rtl\"] .md-source__fact {\n float: right; }\n [data-md-state=\"done\"] .md-source__fact {\n -webkit-animation: md-source__fact--done 0.4s ease-out;\n animation: md-source__fact--done 0.4s ease-out; }\n .md-source__fact::before {\n margin: 0 0.1rem;\n content: \"\\00B7\"; }\n .md-source__fact:first-child::before {\n display: none; }\n\n.md-source-file {\n display: inline-block;\n margin: 1em 0.5em 1em 0;\n padding-right: 0.25rem;\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.07);\n font-size: 0.64rem;\n list-style-type: none;\n cursor: pointer;\n overflow: hidden; }\n .md-source-file::before {\n display: inline-block;\n margin-right: 0.25rem;\n padding: 0.25rem;\n background-color: rgba(0, 0, 0, 0.26);\n color: white;\n font-size: 0.8rem;\n content: \"\\E86F\";\n vertical-align: middle; }\n html .md-source-file {\n -webkit-transition: background 0.4s, color 0.4s, box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);\n transition: background 0.4s, color 0.4s, box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1); }\n html .md-source-file::before {\n -webkit-transition: inherit;\n transition: inherit; }\n html body .md-typeset .md-source-file {\n color: rgba(0, 0, 0, 0.54); }\n .md-source-file:hover {\n box-shadow: 0 0 8px rgba(0, 0, 0, 0.18), 0 8px 16px rgba(0, 0, 0, 0.36); }\n .md-source-file:hover::before {\n background-color: #536dfe; }\n\n.md-tabs {\n width: 100%;\n -webkit-transition: background 0.25s;\n transition: background 0.25s;\n background-color: #3f51b5;\n color: white;\n overflow: auto; }\n .md-tabs__list {\n margin: 0;\n margin-left: 0.2rem;\n padding: 0;\n list-style: none;\n white-space: nowrap; }\n .md-tabs__item {\n display: inline-block;\n height: 2.4rem;\n padding-right: 0.6rem;\n padding-left: 0.6rem; }\n .md-tabs__link {\n display: block;\n margin-top: 0.8rem;\n -webkit-transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n font-size: 0.7rem;\n opacity: 0.7; }\n .md-tabs__link--active, .md-tabs__link:hover {\n color: inherit;\n opacity: 1; }\n .md-tabs__item:nth-child(2) .md-tabs__link {\n -webkit-transition-delay: 0.02s;\n transition-delay: 0.02s; }\n .md-tabs__item:nth-child(3) .md-tabs__link {\n -webkit-transition-delay: 0.04s;\n transition-delay: 0.04s; }\n .md-tabs__item:nth-child(4) .md-tabs__link {\n -webkit-transition-delay: 0.06s;\n transition-delay: 0.06s; }\n .md-tabs__item:nth-child(5) .md-tabs__link {\n -webkit-transition-delay: 0.08s;\n transition-delay: 0.08s; }\n .md-tabs__item:nth-child(6) .md-tabs__link {\n -webkit-transition-delay: 0.1s;\n transition-delay: 0.1s; }\n .md-tabs__item:nth-child(7) .md-tabs__link {\n -webkit-transition-delay: 0.12s;\n transition-delay: 0.12s; }\n .md-tabs__item:nth-child(8) .md-tabs__link {\n -webkit-transition-delay: 0.14s;\n transition-delay: 0.14s; }\n .md-tabs__item:nth-child(9) .md-tabs__link {\n -webkit-transition-delay: 0.16s;\n transition-delay: 0.16s; }\n .md-tabs__item:nth-child(10) .md-tabs__link {\n -webkit-transition-delay: 0.18s;\n transition-delay: 0.18s; }\n .md-tabs__item:nth-child(11) .md-tabs__link {\n -webkit-transition-delay: 0.2s;\n transition-delay: 0.2s; }\n .md-tabs__item:nth-child(12) .md-tabs__link {\n -webkit-transition-delay: 0.22s;\n transition-delay: 0.22s; }\n .md-tabs__item:nth-child(13) .md-tabs__link {\n -webkit-transition-delay: 0.24s;\n transition-delay: 0.24s; }\n .md-tabs__item:nth-child(14) .md-tabs__link {\n -webkit-transition-delay: 0.26s;\n transition-delay: 0.26s; }\n .md-tabs__item:nth-child(15) .md-tabs__link {\n -webkit-transition-delay: 0.28s;\n transition-delay: 0.28s; }\n .md-tabs__item:nth-child(16) .md-tabs__link {\n -webkit-transition-delay: 0.3s;\n transition-delay: 0.3s; }\n .md-tabs[data-md-state=\"hidden\"] {\n pointer-events: none; }\n .md-tabs[data-md-state=\"hidden\"] .md-tabs__link {\n -webkit-transform: translateY(50%);\n transform: translateY(50%);\n -webkit-transition: color 0.25s, opacity 0.1s, -webkit-transform 0s 0.4s;\n transition: color 0.25s, opacity 0.1s, -webkit-transform 0s 0.4s;\n transition: color 0.25s, transform 0s 0.4s, opacity 0.1s;\n transition: color 0.25s, transform 0s 0.4s, opacity 0.1s, -webkit-transform 0s 0.4s;\n opacity: 0; }\n\n.md-typeset .admonition, .md-typeset details {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n margin: 1.5625em 0;\n padding: 0 0.6rem;\n border-left: 0.2rem solid #448aff;\n border-radius: 0.1rem;\n font-size: 0.64rem;\n overflow: auto; }\n [dir=\"rtl\"] .md-typeset .admonition, [dir=\"rtl\"] .md-typeset details {\n border-right: 0.2rem solid #448aff;\n border-left: none; }\n html .md-typeset .admonition > :last-child, html .md-typeset details > :last-child {\n margin-bottom: 0.6rem; }\n .md-typeset .admonition .admonition, .md-typeset details .admonition, .md-typeset .admonition details, .md-typeset details details {\n margin: 1em 0; }\n .md-typeset .admonition > .admonition-title, .md-typeset details > .admonition-title, .md-typeset .admonition > summary, .md-typeset details > summary {\n margin: 0 -0.6rem;\n padding: 0.4rem 0.6rem 0.4rem 2rem;\n border-bottom: 0.05rem solid rgba(68, 138, 255, 0.1);\n background-color: rgba(68, 138, 255, 0.1);\n font-weight: 700; }\n [dir=\"rtl\"] .md-typeset .admonition > .admonition-title, [dir=\"rtl\"] .md-typeset details > .admonition-title, [dir=\"rtl\"] .md-typeset .admonition > summary, [dir=\"rtl\"] .md-typeset details > summary {\n padding: 0.4rem 2rem 0.4rem 0.6rem; }\n .md-typeset .admonition > .admonition-title:last-child, .md-typeset details > .admonition-title:last-child, .md-typeset .admonition > summary:last-child, .md-typeset details > summary:last-child {\n margin-bottom: 0; }\n .md-typeset .admonition > .admonition-title::before, .md-typeset details > .admonition-title::before, .md-typeset .admonition > summary::before, .md-typeset details > summary::before {\n position: absolute;\n margin-left: -1.4rem;\n color: #448aff;\n font-size: 1rem;\n content: \"\\E3C9\"; }\n [dir=\"rtl\"] .md-typeset .admonition > .admonition-title::before, [dir=\"rtl\"] .md-typeset details > .admonition-title::before, [dir=\"rtl\"] .md-typeset .admonition > summary::before, [dir=\"rtl\"] .md-typeset details > summary::before {\n margin-right: -1.4rem;\n margin-left: initial; }\n .md-typeset .admonition.summary, .md-typeset details.summary, .md-typeset .admonition.tldr, .md-typeset details.tldr, .md-typeset .admonition.abstract, .md-typeset details.abstract {\n border-left-color: #00b0ff; }\n [dir=\"rtl\"] .md-typeset .admonition.summary, [dir=\"rtl\"] .md-typeset details.summary, [dir=\"rtl\"] .md-typeset .admonition.tldr, [dir=\"rtl\"] .md-typeset details.tldr, [dir=\"rtl\"] .md-typeset .admonition.abstract, [dir=\"rtl\"] .md-typeset details.abstract {\n border-right-color: #00b0ff; }\n .md-typeset .admonition.summary > .admonition-title, .md-typeset details.summary > .admonition-title, .md-typeset .admonition.tldr > .admonition-title, .md-typeset details.tldr > .admonition-title, .md-typeset .admonition.summary > summary, .md-typeset details.summary > summary, .md-typeset .admonition.tldr > summary, .md-typeset details.tldr > summary, .md-typeset .admonition.abstract > .admonition-title, .md-typeset details.abstract > .admonition-title, .md-typeset .admonition.abstract > summary, .md-typeset details.abstract > summary {\n border-bottom-color: rgba(0, 176, 255, 0.1);\n background-color: rgba(0, 176, 255, 0.1); }\n .md-typeset .admonition.summary > .admonition-title::before, .md-typeset details.summary > .admonition-title::before, .md-typeset .admonition.tldr > .admonition-title::before, .md-typeset details.tldr > .admonition-title::before, .md-typeset .admonition.summary > summary::before, .md-typeset details.summary > summary::before, .md-typeset .admonition.tldr > summary::before, .md-typeset details.tldr > summary::before, .md-typeset .admonition.abstract > .admonition-title::before, .md-typeset details.abstract > .admonition-title::before, .md-typeset .admonition.abstract > summary::before, .md-typeset details.abstract > summary::before {\n color: #00b0ff;\n content: \"\"; }\n .md-typeset .admonition.todo, .md-typeset details.todo, .md-typeset .admonition.info, .md-typeset details.info {\n border-left-color: #00b8d4; }\n [dir=\"rtl\"] .md-typeset .admonition.todo, [dir=\"rtl\"] .md-typeset details.todo, [dir=\"rtl\"] .md-typeset .admonition.info, [dir=\"rtl\"] .md-typeset details.info {\n border-right-color: #00b8d4; }\n .md-typeset .admonition.todo > .admonition-title, .md-typeset details.todo > .admonition-title, .md-typeset .admonition.todo > summary, .md-typeset details.todo > summary, .md-typeset .admonition.info > .admonition-title, .md-typeset details.info > .admonition-title, .md-typeset .admonition.info > summary, .md-typeset details.info > summary {\n border-bottom-color: rgba(0, 184, 212, 0.1);\n background-color: rgba(0, 184, 212, 0.1); }\n .md-typeset .admonition.todo > .admonition-title::before, .md-typeset details.todo > .admonition-title::before, .md-typeset .admonition.todo > summary::before, .md-typeset details.todo > summary::before, .md-typeset .admonition.info > .admonition-title::before, .md-typeset details.info > .admonition-title::before, .md-typeset .admonition.info > summary::before, .md-typeset details.info > summary::before {\n color: #00b8d4;\n content: \"\"; }\n .md-typeset .admonition.hint, .md-typeset details.hint, .md-typeset .admonition.important, .md-typeset details.important, .md-typeset .admonition.tip, .md-typeset details.tip {\n border-left-color: #00bfa5; }\n [dir=\"rtl\"] .md-typeset .admonition.hint, [dir=\"rtl\"] .md-typeset details.hint, [dir=\"rtl\"] .md-typeset .admonition.important, [dir=\"rtl\"] .md-typeset details.important, [dir=\"rtl\"] .md-typeset .admonition.tip, [dir=\"rtl\"] .md-typeset details.tip {\n border-right-color: #00bfa5; }\n .md-typeset .admonition.hint > .admonition-title, .md-typeset details.hint > .admonition-title, .md-typeset .admonition.important > .admonition-title, .md-typeset details.important > .admonition-title, .md-typeset .admonition.hint > summary, .md-typeset details.hint > summary, .md-typeset .admonition.important > summary, .md-typeset details.important > summary, .md-typeset .admonition.tip > .admonition-title, .md-typeset details.tip > .admonition-title, .md-typeset .admonition.tip > summary, .md-typeset details.tip > summary {\n border-bottom-color: rgba(0, 191, 165, 0.1);\n background-color: rgba(0, 191, 165, 0.1); }\n .md-typeset .admonition.hint > .admonition-title::before, .md-typeset details.hint > .admonition-title::before, .md-typeset .admonition.important > .admonition-title::before, .md-typeset details.important > .admonition-title::before, .md-typeset .admonition.hint > summary::before, .md-typeset details.hint > summary::before, .md-typeset .admonition.important > summary::before, .md-typeset details.important > summary::before, .md-typeset .admonition.tip > .admonition-title::before, .md-typeset details.tip > .admonition-title::before, .md-typeset .admonition.tip > summary::before, .md-typeset details.tip > summary::before {\n color: #00bfa5;\n content: \"\"; }\n .md-typeset .admonition.check, .md-typeset details.check, .md-typeset .admonition.done, .md-typeset details.done, .md-typeset .admonition.success, .md-typeset details.success {\n border-left-color: #00c853; }\n [dir=\"rtl\"] .md-typeset .admonition.check, [dir=\"rtl\"] .md-typeset details.check, [dir=\"rtl\"] .md-typeset .admonition.done, [dir=\"rtl\"] .md-typeset details.done, [dir=\"rtl\"] .md-typeset .admonition.success, [dir=\"rtl\"] .md-typeset details.success {\n border-right-color: #00c853; }\n .md-typeset .admonition.check > .admonition-title, .md-typeset details.check > .admonition-title, .md-typeset .admonition.done > .admonition-title, .md-typeset details.done > .admonition-title, .md-typeset .admonition.check > summary, .md-typeset details.check > summary, .md-typeset .admonition.done > summary, .md-typeset details.done > summary, .md-typeset .admonition.success > .admonition-title, .md-typeset details.success > .admonition-title, .md-typeset .admonition.success > summary, .md-typeset details.success > summary {\n border-bottom-color: rgba(0, 200, 83, 0.1);\n background-color: rgba(0, 200, 83, 0.1); }\n .md-typeset .admonition.check > .admonition-title::before, .md-typeset details.check > .admonition-title::before, .md-typeset .admonition.done > .admonition-title::before, .md-typeset details.done > .admonition-title::before, .md-typeset .admonition.check > summary::before, .md-typeset details.check > summary::before, .md-typeset .admonition.done > summary::before, .md-typeset details.done > summary::before, .md-typeset .admonition.success > .admonition-title::before, .md-typeset details.success > .admonition-title::before, .md-typeset .admonition.success > summary::before, .md-typeset details.success > summary::before {\n color: #00c853;\n content: \"\"; }\n .md-typeset .admonition.help, .md-typeset details.help, .md-typeset .admonition.faq, .md-typeset details.faq, .md-typeset .admonition.question, .md-typeset details.question {\n border-left-color: #64dd17; }\n [dir=\"rtl\"] .md-typeset .admonition.help, [dir=\"rtl\"] .md-typeset details.help, [dir=\"rtl\"] .md-typeset .admonition.faq, [dir=\"rtl\"] .md-typeset details.faq, [dir=\"rtl\"] .md-typeset .admonition.question, [dir=\"rtl\"] .md-typeset details.question {\n border-right-color: #64dd17; }\n .md-typeset .admonition.help > .admonition-title, .md-typeset details.help > .admonition-title, .md-typeset .admonition.faq > .admonition-title, .md-typeset details.faq > .admonition-title, .md-typeset .admonition.help > summary, .md-typeset details.help > summary, .md-typeset .admonition.faq > summary, .md-typeset details.faq > summary, .md-typeset .admonition.question > .admonition-title, .md-typeset details.question > .admonition-title, .md-typeset .admonition.question > summary, .md-typeset details.question > summary {\n border-bottom-color: rgba(100, 221, 23, 0.1);\n background-color: rgba(100, 221, 23, 0.1); }\n .md-typeset .admonition.help > .admonition-title::before, .md-typeset details.help > .admonition-title::before, .md-typeset .admonition.faq > .admonition-title::before, .md-typeset details.faq > .admonition-title::before, .md-typeset .admonition.help > summary::before, .md-typeset details.help > summary::before, .md-typeset .admonition.faq > summary::before, .md-typeset details.faq > summary::before, .md-typeset .admonition.question > .admonition-title::before, .md-typeset details.question > .admonition-title::before, .md-typeset .admonition.question > summary::before, .md-typeset details.question > summary::before {\n color: #64dd17;\n content: \"\"; }\n .md-typeset .admonition.caution, .md-typeset details.caution, .md-typeset .admonition.attention, .md-typeset details.attention, .md-typeset .admonition.warning, .md-typeset details.warning {\n border-left-color: #ff9100; }\n [dir=\"rtl\"] .md-typeset .admonition.caution, [dir=\"rtl\"] .md-typeset details.caution, [dir=\"rtl\"] .md-typeset .admonition.attention, [dir=\"rtl\"] .md-typeset details.attention, [dir=\"rtl\"] .md-typeset .admonition.warning, [dir=\"rtl\"] .md-typeset details.warning {\n border-right-color: #ff9100; }\n .md-typeset .admonition.caution > .admonition-title, .md-typeset details.caution > .admonition-title, .md-typeset .admonition.attention > .admonition-title, .md-typeset details.attention > .admonition-title, .md-typeset .admonition.caution > summary, .md-typeset details.caution > summary, .md-typeset .admonition.attention > summary, .md-typeset details.attention > summary, .md-typeset .admonition.warning > .admonition-title, .md-typeset details.warning > .admonition-title, .md-typeset .admonition.warning > summary, .md-typeset details.warning > summary {\n border-bottom-color: rgba(255, 145, 0, 0.1);\n background-color: rgba(255, 145, 0, 0.1); }\n .md-typeset .admonition.caution > .admonition-title::before, .md-typeset details.caution > .admonition-title::before, .md-typeset .admonition.attention > .admonition-title::before, .md-typeset details.attention > .admonition-title::before, .md-typeset .admonition.caution > summary::before, .md-typeset details.caution > summary::before, .md-typeset .admonition.attention > summary::before, .md-typeset details.attention > summary::before, .md-typeset .admonition.warning > .admonition-title::before, .md-typeset details.warning > .admonition-title::before, .md-typeset .admonition.warning > summary::before, .md-typeset details.warning > summary::before {\n color: #ff9100;\n content: \"\"; }\n .md-typeset .admonition.fail, .md-typeset details.fail, .md-typeset .admonition.missing, .md-typeset details.missing, .md-typeset .admonition.failure, .md-typeset details.failure {\n border-left-color: #ff5252; }\n [dir=\"rtl\"] .md-typeset .admonition.fail, [dir=\"rtl\"] .md-typeset details.fail, [dir=\"rtl\"] .md-typeset .admonition.missing, [dir=\"rtl\"] .md-typeset details.missing, [dir=\"rtl\"] .md-typeset .admonition.failure, [dir=\"rtl\"] .md-typeset details.failure {\n border-right-color: #ff5252; }\n .md-typeset .admonition.fail > .admonition-title, .md-typeset details.fail > .admonition-title, .md-typeset .admonition.missing > .admonition-title, .md-typeset details.missing > .admonition-title, .md-typeset .admonition.fail > summary, .md-typeset details.fail > summary, .md-typeset .admonition.missing > summary, .md-typeset details.missing > summary, .md-typeset .admonition.failure > .admonition-title, .md-typeset details.failure > .admonition-title, .md-typeset .admonition.failure > summary, .md-typeset details.failure > summary {\n border-bottom-color: rgba(255, 82, 82, 0.1);\n background-color: rgba(255, 82, 82, 0.1); }\n .md-typeset .admonition.fail > .admonition-title::before, .md-typeset details.fail > .admonition-title::before, .md-typeset .admonition.missing > .admonition-title::before, .md-typeset details.missing > .admonition-title::before, .md-typeset .admonition.fail > summary::before, .md-typeset details.fail > summary::before, .md-typeset .admonition.missing > summary::before, .md-typeset details.missing > summary::before, .md-typeset .admonition.failure > .admonition-title::before, .md-typeset details.failure > .admonition-title::before, .md-typeset .admonition.failure > summary::before, .md-typeset details.failure > summary::before {\n color: #ff5252;\n content: \"\"; }\n .md-typeset .admonition.error, .md-typeset details.error, .md-typeset .admonition.danger, .md-typeset details.danger {\n border-left-color: #ff1744; }\n [dir=\"rtl\"] .md-typeset .admonition.error, [dir=\"rtl\"] .md-typeset details.error, [dir=\"rtl\"] .md-typeset .admonition.danger, [dir=\"rtl\"] .md-typeset details.danger {\n border-right-color: #ff1744; }\n .md-typeset .admonition.error > .admonition-title, .md-typeset details.error > .admonition-title, .md-typeset .admonition.error > summary, .md-typeset details.error > summary, .md-typeset .admonition.danger > .admonition-title, .md-typeset details.danger > .admonition-title, .md-typeset .admonition.danger > summary, .md-typeset details.danger > summary {\n border-bottom-color: rgba(255, 23, 68, 0.1);\n background-color: rgba(255, 23, 68, 0.1); }\n .md-typeset .admonition.error > .admonition-title::before, .md-typeset details.error > .admonition-title::before, .md-typeset .admonition.error > summary::before, .md-typeset details.error > summary::before, .md-typeset .admonition.danger > .admonition-title::before, .md-typeset details.danger > .admonition-title::before, .md-typeset .admonition.danger > summary::before, .md-typeset details.danger > summary::before {\n color: #ff1744;\n content: \"\"; }\n .md-typeset .admonition.bug, .md-typeset details.bug {\n border-left-color: #f50057; }\n [dir=\"rtl\"] .md-typeset .admonition.bug, [dir=\"rtl\"] .md-typeset details.bug {\n border-right-color: #f50057; }\n .md-typeset .admonition.bug > .admonition-title, .md-typeset details.bug > .admonition-title, .md-typeset .admonition.bug > summary, .md-typeset details.bug > summary {\n border-bottom-color: rgba(245, 0, 87, 0.1);\n background-color: rgba(245, 0, 87, 0.1); }\n .md-typeset .admonition.bug > .admonition-title::before, .md-typeset details.bug > .admonition-title::before, .md-typeset .admonition.bug > summary::before, .md-typeset details.bug > summary::before {\n color: #f50057;\n content: \"\"; }\n .md-typeset .admonition.example, .md-typeset details.example {\n border-left-color: #651fff; }\n [dir=\"rtl\"] .md-typeset .admonition.example, [dir=\"rtl\"] .md-typeset details.example {\n border-right-color: #651fff; }\n .md-typeset .admonition.example > .admonition-title, .md-typeset details.example > .admonition-title, .md-typeset .admonition.example > summary, .md-typeset details.example > summary {\n border-bottom-color: rgba(101, 31, 255, 0.1);\n background-color: rgba(101, 31, 255, 0.1); }\n .md-typeset .admonition.example > .admonition-title::before, .md-typeset details.example > .admonition-title::before, .md-typeset .admonition.example > summary::before, .md-typeset details.example > summary::before {\n color: #651fff;\n content: \"\"; }\n .md-typeset .admonition.cite, .md-typeset details.cite, .md-typeset .admonition.quote, .md-typeset details.quote {\n border-left-color: #9e9e9e; }\n [dir=\"rtl\"] .md-typeset .admonition.cite, [dir=\"rtl\"] .md-typeset details.cite, [dir=\"rtl\"] .md-typeset .admonition.quote, [dir=\"rtl\"] .md-typeset details.quote {\n border-right-color: #9e9e9e; }\n .md-typeset .admonition.cite > .admonition-title, .md-typeset details.cite > .admonition-title, .md-typeset .admonition.cite > summary, .md-typeset details.cite > summary, .md-typeset .admonition.quote > .admonition-title, .md-typeset details.quote > .admonition-title, .md-typeset .admonition.quote > summary, .md-typeset details.quote > summary {\n border-bottom-color: rgba(158, 158, 158, 0.1);\n background-color: rgba(158, 158, 158, 0.1); }\n .md-typeset .admonition.cite > .admonition-title::before, .md-typeset details.cite > .admonition-title::before, .md-typeset .admonition.cite > summary::before, .md-typeset details.cite > summary::before, .md-typeset .admonition.quote > .admonition-title::before, .md-typeset details.quote > .admonition-title::before, .md-typeset .admonition.quote > summary::before, .md-typeset details.quote > summary::before {\n color: #9e9e9e;\n content: \"\"; }\n\n.codehilite .o, .md-typeset .highlight .o {\n color: inherit; }\n\n.codehilite .ow, .md-typeset .highlight .ow {\n color: inherit; }\n\n.codehilite .ge, .md-typeset .highlight .ge {\n color: #000000; }\n\n.codehilite .gr, .md-typeset .highlight .gr {\n color: #AA0000; }\n\n.codehilite .gh, .md-typeset .highlight .gh {\n color: #999999; }\n\n.codehilite .go, .md-typeset .highlight .go {\n color: #888888; }\n\n.codehilite .gp, .md-typeset .highlight .gp {\n color: #555555; }\n\n.codehilite .gs, .md-typeset .highlight .gs {\n color: inherit; }\n\n.codehilite .gu, .md-typeset .highlight .gu {\n color: #AAAAAA; }\n\n.codehilite .gt, .md-typeset .highlight .gt {\n color: #AA0000; }\n\n.codehilite .gd, .md-typeset .highlight .gd {\n background-color: #FFDDDD; }\n\n.codehilite .gi, .md-typeset .highlight .gi {\n background-color: #DDFFDD; }\n\n.codehilite .k, .md-typeset .highlight .k {\n color: #3B78E7; }\n\n.codehilite .kc, .md-typeset .highlight .kc {\n color: #A71D5D; }\n\n.codehilite .kd, .md-typeset .highlight .kd {\n color: #3B78E7; }\n\n.codehilite .kn, .md-typeset .highlight .kn {\n color: #3B78E7; }\n\n.codehilite .kp, .md-typeset .highlight .kp {\n color: #A71D5D; }\n\n.codehilite .kr, .md-typeset .highlight .kr {\n color: #3E61A2; }\n\n.codehilite .kt, .md-typeset .highlight .kt {\n color: #3E61A2; }\n\n.codehilite .c, .md-typeset .highlight .c {\n color: #999999; }\n\n.codehilite .cm, .md-typeset .highlight .cm {\n color: #999999; }\n\n.codehilite .cp, .md-typeset .highlight .cp {\n color: #666666; }\n\n.codehilite .c1, .md-typeset .highlight .c1 {\n color: #999999; }\n\n.codehilite .ch, .md-typeset .highlight .ch {\n color: #999999; }\n\n.codehilite .cs, .md-typeset .highlight .cs {\n color: #999999; }\n\n.codehilite .na, .md-typeset .highlight .na {\n color: #C2185B; }\n\n.codehilite .nb, .md-typeset .highlight .nb {\n color: #C2185B; }\n\n.codehilite .bp, .md-typeset .highlight .bp {\n color: #3E61A2; }\n\n.codehilite .nc, .md-typeset .highlight .nc {\n color: #C2185B; }\n\n.codehilite .no, .md-typeset .highlight .no {\n color: #3E61A2; }\n\n.codehilite .nd, .md-typeset .highlight .nd {\n color: #666666; }\n\n.codehilite .ni, .md-typeset .highlight .ni {\n color: #666666; }\n\n.codehilite .ne, .md-typeset .highlight .ne {\n color: #C2185B; }\n\n.codehilite .nf, .md-typeset .highlight .nf {\n color: #C2185B; }\n\n.codehilite .nl, .md-typeset .highlight .nl {\n color: #3B5179; }\n\n.codehilite .nn, .md-typeset .highlight .nn {\n color: #EC407A; }\n\n.codehilite .nt, .md-typeset .highlight .nt {\n color: #3B78E7; }\n\n.codehilite .nv, .md-typeset .highlight .nv {\n color: #3E61A2; }\n\n.codehilite .vc, .md-typeset .highlight .vc {\n color: #3E61A2; }\n\n.codehilite .vg, .md-typeset .highlight .vg {\n color: #3E61A2; }\n\n.codehilite .vi, .md-typeset .highlight .vi {\n color: #3E61A2; }\n\n.codehilite .nx, .md-typeset .highlight .nx {\n color: #EC407A; }\n\n.codehilite .m, .md-typeset .highlight .m {\n color: #E74C3C; }\n\n.codehilite .mf, .md-typeset .highlight .mf {\n color: #E74C3C; }\n\n.codehilite .mh, .md-typeset .highlight .mh {\n color: #E74C3C; }\n\n.codehilite .mi, .md-typeset .highlight .mi {\n color: #E74C3C; }\n\n.codehilite .il, .md-typeset .highlight .il {\n color: #E74C3C; }\n\n.codehilite .mo, .md-typeset .highlight .mo {\n color: #E74C3C; }\n\n.codehilite .s, .md-typeset .highlight .s {\n color: #0D904F; }\n\n.codehilite .sb, .md-typeset .highlight .sb {\n color: #0D904F; }\n\n.codehilite .sc, .md-typeset .highlight .sc {\n color: #0D904F; }\n\n.codehilite .sd, .md-typeset .highlight .sd {\n color: #999999; }\n\n.codehilite .s2, .md-typeset .highlight .s2 {\n color: #0D904F; }\n\n.codehilite .se, .md-typeset .highlight .se {\n color: #183691; }\n\n.codehilite .sh, .md-typeset .highlight .sh {\n color: #183691; }\n\n.codehilite .si, .md-typeset .highlight .si {\n color: #183691; }\n\n.codehilite .sx, .md-typeset .highlight .sx {\n color: #183691; }\n\n.codehilite .sr, .md-typeset .highlight .sr {\n color: #009926; }\n\n.codehilite .s1, .md-typeset .highlight .s1 {\n color: #0D904F; }\n\n.codehilite .ss, .md-typeset .highlight .ss {\n color: #0D904F; }\n\n.codehilite .err, .md-typeset .highlight .err {\n color: #A61717; }\n\n.codehilite .w, .md-typeset .highlight .w {\n color: transparent; }\n\n.codehilite .hll, .md-typeset .highlight .hll {\n display: block;\n margin: 0 -0.6rem;\n padding: 0 0.6rem;\n background-color: rgba(255, 235, 59, 0.5); }\n\n.md-typeset .codehilite, .md-typeset .highlight {\n position: relative;\n margin: 1em 0;\n padding: 0;\n border-radius: 0.1rem;\n background-color: rgba(236, 236, 236, 0.5);\n color: #37474F;\n line-height: 1.4;\n -webkit-overflow-scrolling: touch; }\n .md-typeset .codehilite pre, .md-typeset .highlight pre,\n .md-typeset .codehilite code,\n .md-typeset .highlight code {\n display: block;\n margin: 0;\n padding: 0.525rem 0.6rem;\n background-color: transparent;\n overflow: auto; }\n .md-typeset .codehilite pre::-webkit-scrollbar, .md-typeset .highlight pre::-webkit-scrollbar,\n .md-typeset .codehilite code::-webkit-scrollbar,\n .md-typeset .highlight code::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-typeset .codehilite pre::-webkit-scrollbar-thumb, .md-typeset .highlight pre::-webkit-scrollbar-thumb,\n .md-typeset .codehilite code::-webkit-scrollbar-thumb,\n .md-typeset .highlight code::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-typeset .codehilite pre::-webkit-scrollbar-thumb:hover, .md-typeset .highlight pre::-webkit-scrollbar-thumb:hover,\n .md-typeset .codehilite code::-webkit-scrollbar-thumb:hover,\n .md-typeset .highlight code::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n\n.md-typeset pre.codehilite, .md-typeset pre.highlight {\n overflow: visible; }\n .md-typeset pre.codehilite code, .md-typeset pre.highlight code {\n display: block;\n padding: 0.525rem 0.6rem;\n overflow: auto; }\n\n.md-typeset .codehilitetable, .md-typeset .highlighttable {\n display: block;\n margin: 1em 0;\n border-radius: 0.2em;\n font-size: 0.8rem;\n overflow: hidden; }\n .md-typeset .codehilitetable tbody, .md-typeset .highlighttable tbody,\n .md-typeset .codehilitetable td,\n .md-typeset .highlighttable td {\n display: block;\n padding: 0; }\n .md-typeset .codehilitetable tr, .md-typeset .highlighttable tr {\n display: -webkit-box;\n display: flex; }\n .md-typeset .codehilitetable .codehilite, .md-typeset .highlighttable .codehilite, .md-typeset .codehilitetable .highlight, .md-typeset .highlighttable .highlight,\n .md-typeset .codehilitetable .linenodiv,\n .md-typeset .highlighttable .linenodiv {\n margin: 0;\n border-radius: 0; }\n \n .md-typeset .codehilitetable .linenodiv,\n .md-typeset .highlighttable .linenodiv {\n padding: 0.525rem 0.6rem; }\n .md-typeset .codehilitetable .linenos, .md-typeset .highlighttable .linenos {\n background-color: rgba(0, 0, 0, 0.07);\n color: rgba(0, 0, 0, 0.26);\n -webkit-user-select: none;\n -moz-user-select: none;\n -ms-user-select: none;\n user-select: none; }\n .md-typeset .codehilitetable .linenos pre, .md-typeset .highlighttable .linenos pre {\n margin: 0;\n padding: 0;\n background-color: transparent;\n color: inherit;\n text-align: right; }\n .md-typeset .codehilitetable .code, .md-typeset .highlighttable .code {\n -webkit-box-flex: 1;\n flex: 1;\n overflow: hidden; }\n\n.md-typeset > .codehilitetable, .md-typeset > .highlighttable {\n box-shadow: none; }\n\n.md-typeset [id^=\"fnref:\"] {\n display: inline-block; }\n .md-typeset [id^=\"fnref:\"]:target {\n margin-top: -3.8rem;\n padding-top: 3.8rem;\n pointer-events: none; }\n\n.md-typeset [id^=\"fn:\"]::before {\n display: none;\n height: 0;\n content: \"\"; }\n\n.md-typeset [id^=\"fn:\"]:target::before {\n display: block;\n margin-top: -3.5rem;\n padding-top: 3.5rem;\n pointer-events: none; }\n\n.md-typeset .footnote {\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem; }\n .md-typeset .footnote ol {\n margin-left: 0; }\n .md-typeset .footnote li {\n -webkit-transition: color 0.25s;\n transition: color 0.25s; }\n .md-typeset .footnote li:target {\n color: rgba(0, 0, 0, 0.87); }\n .md-typeset .footnote li :first-child {\n margin-top: 0; }\n .md-typeset .footnote li:hover .footnote-backref,\n .md-typeset .footnote li:target .footnote-backref {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n opacity: 1; }\n .md-typeset .footnote li:hover .footnote-backref:hover,\n .md-typeset .footnote li:target .footnote-backref {\n color: #536dfe; }\n\n.md-typeset .footnote-ref {\n display: inline-block;\n pointer-events: initial; }\n .md-typeset .footnote-ref::before {\n display: inline;\n margin: 0 0.2em;\n border-left: 0.05rem solid rgba(0, 0, 0, 0.26);\n font-size: 1.25em;\n content: \"\";\n vertical-align: -0.25rem; }\n\n.md-typeset .footnote-backref {\n display: inline-block;\n -webkit-transform: translateX(0.25rem);\n transform: translateX(0.25rem);\n -webkit-transition: color 0.25s, opacity 0.125s 0.125s, -webkit-transform 0.25s 0.125s;\n transition: color 0.25s, opacity 0.125s 0.125s, -webkit-transform 0.25s 0.125s;\n transition: transform 0.25s 0.125s, color 0.25s, opacity 0.125s 0.125s;\n transition: transform 0.25s 0.125s, color 0.25s, opacity 0.125s 0.125s, -webkit-transform 0.25s 0.125s;\n color: rgba(0, 0, 0, 0.26);\n font-size: 0;\n opacity: 0;\n vertical-align: text-bottom; }\n [dir=\"rtl\"] .md-typeset .footnote-backref {\n -webkit-transform: translateX(-0.25rem);\n transform: translateX(-0.25rem); }\n .md-typeset .footnote-backref::before {\n display: inline-block;\n font-size: 0.8rem;\n content: \"\\E31B\"; }\n [dir=\"rtl\"] .md-typeset .footnote-backref::before {\n -webkit-transform: scaleX(-1);\n transform: scaleX(-1); }\n\n.md-typeset .headerlink {\n display: inline-block;\n margin-left: 0.5rem;\n -webkit-transform: translate(0, 0.25rem);\n transform: translate(0, 0.25rem);\n -webkit-transition: color 0.25s, opacity 0.125s 0.25s, -webkit-transform 0.25s 0.25s;\n transition: color 0.25s, opacity 0.125s 0.25s, -webkit-transform 0.25s 0.25s;\n transition: transform 0.25s 0.25s, color 0.25s, opacity 0.125s 0.25s;\n transition: transform 0.25s 0.25s, color 0.25s, opacity 0.125s 0.25s, -webkit-transform 0.25s 0.25s;\n opacity: 0; }\n [dir=\"rtl\"] .md-typeset .headerlink {\n margin-right: 0.5rem;\n margin-left: initial; }\n html body .md-typeset .headerlink {\n color: rgba(0, 0, 0, 0.26); }\n\n.md-typeset h1[id]::before {\n display: block;\n margin-top: -8px;\n padding-top: 8px;\n content: \"\"; }\n\n.md-typeset h1[id]:target::before {\n margin-top: -3.4rem;\n padding-top: 3.4rem; }\n\n.md-typeset h1[id]:hover .headerlink,\n.md-typeset h1[id]:target .headerlink,\n.md-typeset h1[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h1[id]:hover .headerlink:hover,\n.md-typeset h1[id]:target .headerlink,\n.md-typeset h1[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h2[id]::before {\n display: block;\n margin-top: -8px;\n padding-top: 8px;\n content: \"\"; }\n\n.md-typeset h2[id]:target::before {\n margin-top: -3.4rem;\n padding-top: 3.4rem; }\n\n.md-typeset h2[id]:hover .headerlink,\n.md-typeset h2[id]:target .headerlink,\n.md-typeset h2[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h2[id]:hover .headerlink:hover,\n.md-typeset h2[id]:target .headerlink,\n.md-typeset h2[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h3[id]::before {\n display: block;\n margin-top: -8px;\n padding-top: 8px;\n content: \"\"; }\n\n.md-typeset h3[id]:target::before {\n margin-top: -3.4rem;\n padding-top: 3.4rem; }\n\n.md-typeset h3[id]:hover .headerlink,\n.md-typeset h3[id]:target .headerlink,\n.md-typeset h3[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h3[id]:hover .headerlink:hover,\n.md-typeset h3[id]:target .headerlink,\n.md-typeset h3[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h4[id]::before {\n display: block;\n margin-top: -9px;\n padding-top: 9px;\n content: \"\"; }\n\n.md-typeset h4[id]:target::before {\n margin-top: -3.45rem;\n padding-top: 3.45rem; }\n\n.md-typeset h4[id]:hover .headerlink,\n.md-typeset h4[id]:target .headerlink,\n.md-typeset h4[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h4[id]:hover .headerlink:hover,\n.md-typeset h4[id]:target .headerlink,\n.md-typeset h4[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h5[id]::before {\n display: block;\n margin-top: -11px;\n padding-top: 11px;\n content: \"\"; }\n\n.md-typeset h5[id]:target::before {\n margin-top: -3.55rem;\n padding-top: 3.55rem; }\n\n.md-typeset h5[id]:hover .headerlink,\n.md-typeset h5[id]:target .headerlink,\n.md-typeset h5[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h5[id]:hover .headerlink:hover,\n.md-typeset h5[id]:target .headerlink,\n.md-typeset h5[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h6[id]::before {\n display: block;\n margin-top: -11px;\n padding-top: 11px;\n content: \"\"; }\n\n.md-typeset h6[id]:target::before {\n margin-top: -3.55rem;\n padding-top: 3.55rem; }\n\n.md-typeset h6[id]:hover .headerlink,\n.md-typeset h6[id]:target .headerlink,\n.md-typeset h6[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h6[id]:hover .headerlink:hover,\n.md-typeset h6[id]:target .headerlink,\n.md-typeset h6[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset .MJXc-display {\n margin: 0.75em 0;\n padding: 0.75em 0;\n overflow: auto;\n -webkit-overflow-scrolling: touch; }\n\n.md-typeset .MathJax_CHTML {\n outline: 0; }\n\n.md-typeset del.critic,\n.md-typeset ins.critic,\n.md-typeset .critic.comment {\n margin: 0 0.25em;\n padding: 0.0625em 0;\n border-radius: 0.1rem;\n -webkit-box-decoration-break: clone;\n box-decoration-break: clone; }\n\n.md-typeset del.critic {\n background-color: #FFDDDD;\n box-shadow: 0.25em 0 0 #FFDDDD, -0.25em 0 0 #FFDDDD; }\n\n.md-typeset ins.critic {\n background-color: #DDFFDD;\n box-shadow: 0.25em 0 0 #DDFFDD, -0.25em 0 0 #DDFFDD; }\n\n.md-typeset .critic.comment {\n background-color: rgba(236, 236, 236, 0.5);\n color: #37474F;\n box-shadow: 0.25em 0 0 rgba(236, 236, 236, 0.5), -0.25em 0 0 rgba(236, 236, 236, 0.5); }\n .md-typeset .critic.comment::before {\n padding-right: 0.125em;\n color: rgba(0, 0, 0, 0.26);\n content: \"\\E0B7\";\n vertical-align: -0.125em; }\n\n.md-typeset .critic.block {\n display: block;\n margin: 1em 0;\n padding-right: 0.8rem;\n padding-left: 0.8rem;\n box-shadow: none; }\n .md-typeset .critic.block :first-child {\n margin-top: 0.5em; }\n .md-typeset .critic.block :last-child {\n margin-bottom: 0.5em; }\n\n.md-typeset details {\n display: block;\n padding-top: 0; }\n .md-typeset details[open] > summary::after {\n -webkit-transform: rotate(180deg);\n transform: rotate(180deg); }\n .md-typeset details:not([open]) {\n padding-bottom: 0; }\n .md-typeset details:not([open]) > summary {\n border-bottom: none; }\n .md-typeset details summary {\n position: relative;\n padding-right: 2rem; }\n [dir=\"rtl\"] .md-typeset details summary {\n padding-left: 2rem; }\n .no-details .md-typeset details:not([open]) > * {\n display: none; }\n .no-details .md-typeset details:not([open]) summary {\n display: block; }\n\n.md-typeset summary {\n display: block;\n outline: none;\n cursor: pointer; }\n .md-typeset summary::-webkit-details-marker {\n display: none; }\n .md-typeset summary::after {\n position: absolute;\n top: 0.4rem;\n right: 0.6rem;\n color: rgba(0, 0, 0, 0.26);\n font-size: 1rem;\n content: \"\\E313\"; }\n [dir=\"rtl\"] .md-typeset summary::after {\n right: initial;\n left: 0.6rem; }\n\n.md-typeset .emojione,\n.md-typeset .twemoji,\n.md-typeset .gemoji {\n width: 1rem;\n vertical-align: text-top; }\n\n.md-typeset code.codehilite, .md-typeset code.highlight {\n margin: 0 0.29412em;\n padding: 0.07353em 0; }\n\n.md-typeset .superfences-content {\n display: none;\n -webkit-box-ordinal-group: 100;\n order: 99;\n width: 100%;\n background-color: white; }\n .md-typeset .superfences-content > * {\n margin: 0;\n border-radius: 0; }\n\n.md-typeset .superfences-tabs {\n display: -webkit-box;\n display: flex;\n position: relative;\n flex-wrap: wrap;\n margin: 1em 0;\n border: 0.05rem solid rgba(0, 0, 0, 0.07);\n border-radius: 0.2em; }\n .md-typeset .superfences-tabs > input {\n display: none; }\n .md-typeset .superfences-tabs > input:checked + label {\n font-weight: 700; }\n .md-typeset .superfences-tabs > input:checked + label + .superfences-content {\n display: block; }\n .md-typeset .superfences-tabs > label {\n width: auto;\n padding: 0.6rem;\n -webkit-transition: color 0.125s;\n transition: color 0.125s;\n font-size: 0.64rem;\n cursor: pointer; }\n html .md-typeset .superfences-tabs > label:hover {\n color: #536dfe; }\n\n.md-typeset .task-list-item {\n position: relative;\n list-style-type: none; }\n .md-typeset .task-list-item [type=\"checkbox\"] {\n position: absolute;\n top: 0.45em;\n left: -2em; }\n [dir=\"rtl\"] .md-typeset .task-list-item [type=\"checkbox\"] {\n right: -2em;\n left: initial; }\n\n.md-typeset .task-list-control .task-list-indicator::before {\n position: absolute;\n top: 0.15em;\n left: -1.25em;\n color: rgba(0, 0, 0, 0.26);\n font-size: 1.25em;\n content: \"\\E835\";\n vertical-align: -0.25em; }\n [dir=\"rtl\"] .md-typeset .task-list-control .task-list-indicator::before {\n right: -1.25em;\n left: initial; }\n\n.md-typeset .task-list-control [type=\"checkbox\"]:checked + .task-list-indicator::before {\n content: \"\\E834\"; }\n\n.md-typeset .task-list-control [type=\"checkbox\"] {\n opacity: 0;\n z-index: -1; }\n\n@media print {\n .md-typeset a::after {\n color: rgba(0, 0, 0, 0.54);\n content: \" [\" attr(href) \"]\"; }\n .md-typeset code,\n .md-typeset pre {\n white-space: pre-wrap; }\n .md-typeset code {\n box-shadow: none;\n -webkit-box-decoration-break: initial;\n box-decoration-break: initial; }\n .md-clipboard {\n display: none; }\n .md-content__icon {\n display: none; }\n .md-header {\n display: none; }\n .md-footer {\n display: none; }\n .md-sidebar {\n display: none; }\n .md-tabs {\n display: none; }\n .md-typeset .headerlink {\n display: none; } }\n\n@media only screen and (max-width: 44.9375em) {\n .md-typeset pre {\n margin: 1em -0.8rem;\n border-radius: 0; }\n .md-typeset pre > code {\n padding: 0.525rem 0.8rem; }\n .md-footer-nav__link--prev .md-footer-nav__title {\n display: none; }\n .md-search-result__teaser {\n max-height: 2.5rem;\n -webkit-line-clamp: 3; }\n .codehilite .hll, .md-typeset .highlight .hll {\n margin: 0 -0.8rem;\n padding: 0 0.8rem; }\n .md-typeset > .codehilite, .md-typeset > .highlight {\n margin: 1em -0.8rem;\n border-radius: 0; }\n .md-typeset > .codehilite pre, .md-typeset > .highlight pre,\n .md-typeset > .codehilite code,\n .md-typeset > .highlight code {\n padding: 0.525rem 0.8rem; }\n .md-typeset > .codehilitetable, .md-typeset > .highlighttable {\n margin: 1em -0.8rem;\n border-radius: 0; }\n .md-typeset > .codehilitetable .codehilite > pre, .md-typeset > .highlighttable .codehilite > pre, .md-typeset > .codehilitetable .highlight > pre, .md-typeset > .highlighttable .highlight > pre,\n .md-typeset > .codehilitetable .codehilite > code,\n .md-typeset > .highlighttable .codehilite > code,\n .md-typeset > .codehilitetable .highlight > code,\n .md-typeset > .highlighttable .highlight > code,\n .md-typeset > .codehilitetable .linenodiv,\n .md-typeset > .highlighttable .linenodiv {\n padding: 0.5rem 0.8rem; }\n .md-typeset > p > .MJXc-display {\n margin: 0.75em -0.8rem;\n padding: 0.25em 0.8rem; }\n .md-typeset > .superfences-tabs {\n margin: 1em -0.8rem;\n border: 0;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07);\n border-radius: 0; }\n .md-typeset > .superfences-tabs pre,\n .md-typeset > .superfences-tabs code {\n padding: 0.525rem 0.8rem; } }\n\n@media only screen and (min-width: 100em) {\n html {\n font-size: 137.50%; } }\n\n@media only screen and (min-width: 125em) {\n html {\n font-size: 150%; } }\n\n@media only screen and (max-width: 59.9375em) {\n body[data-md-state=\"lock\"] {\n overflow: hidden; }\n .ios body[data-md-state=\"lock\"] .md-container {\n display: none; }\n html .md-nav__link[for=\"__toc\"] {\n display: block;\n padding-right: 2.4rem; }\n html .md-nav__link[for=\"__toc\"]::after {\n color: inherit;\n content: \"\\E8DE\"; }\n html .md-nav__link[for=\"__toc\"] + .md-nav__link {\n display: none; }\n html .md-nav__link[for=\"__toc\"] ~ .md-nav {\n display: -webkit-box;\n display: flex; }\n html [dir=\"rtl\"] .md-nav__link {\n padding-right: 0.8rem;\n padding-left: 2.4rem; }\n .md-nav__source {\n display: block;\n padding: 0 0.2rem;\n background-color: rgba(50, 64, 144, 0.9675);\n color: white; }\n .md-search__overlay {\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n width: 1.8rem;\n height: 1.8rem;\n -webkit-transform-origin: center;\n transform-origin: center;\n -webkit-transition: opacity 0.2s 0.2s, -webkit-transform 0.3s 0.1s;\n transition: opacity 0.2s 0.2s, -webkit-transform 0.3s 0.1s;\n transition: transform 0.3s 0.1s, opacity 0.2s 0.2s;\n transition: transform 0.3s 0.1s, opacity 0.2s 0.2s, -webkit-transform 0.3s 0.1s;\n border-radius: 1rem;\n background-color: white;\n overflow: hidden;\n pointer-events: none; }\n [dir=\"rtl\"] .md-search__overlay {\n right: 0.2rem;\n left: initial; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transition: opacity 0.1s, -webkit-transform 0.4s;\n transition: opacity 0.1s, -webkit-transform 0.4s;\n transition: transform 0.4s, opacity 0.1s;\n transition: transform 0.4s, opacity 0.1s, -webkit-transform 0.4s;\n opacity: 1; }\n .md-search__inner {\n position: fixed;\n top: 0;\n left: 100%;\n width: 100%;\n height: 100%;\n -webkit-transform: translateX(5%);\n transform: translateX(5%);\n -webkit-transition: right 0s 0.3s, left 0s 0.3s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1);\n transition: right 0s 0.3s, left 0s 0.3s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1);\n transition: right 0s 0.3s, left 0s 0.3s, transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.15s 0.15s;\n transition: right 0s 0.3s, left 0s 0.3s, transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 0;\n z-index: 2; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n left: 0;\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: right 0s 0s, left 0s 0s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: right 0s 0s, left 0s 0s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: right 0s 0s, left 0s 0s, transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s 0.15s;\n transition: right 0s 0s, left 0s 0s, transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n opacity: 1; }\n [dir=\"rtl\"] [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n right: 0;\n left: initial; }\n html [dir=\"rtl\"] .md-search__inner {\n right: 100%;\n left: initial;\n -webkit-transform: translateX(-5%);\n transform: translateX(-5%); }\n .md-search__input {\n width: 100%;\n height: 2.4rem;\n font-size: 0.9rem; }\n .md-search__icon[for=\"__search\"] {\n top: 0.6rem;\n left: 0.8rem; }\n .md-search__icon[for=\"__search\"][for=\"__search\"]::before {\n content: \"\\E5C4\"; }\n [dir=\"rtl\"] .md-search__icon[for=\"__search\"][for=\"__search\"]::before {\n content: \"\\E5C8\"; }\n .md-search__icon[type=\"reset\"] {\n top: 0.6rem;\n right: 0.8rem; }\n .md-search__output {\n top: 2.4rem;\n bottom: 0; }\n .md-search-result__article--document::before {\n display: none; } }\n\n@media only screen and (max-width: 76.1875em) {\n [data-md-toggle=\"drawer\"]:checked ~ .md-overlay {\n width: 100%;\n height: 100%;\n -webkit-transition: width 0s, height 0s, opacity 0.25s;\n transition: width 0s, height 0s, opacity 0.25s;\n opacity: 1; }\n .md-header-nav__button.md-icon--home, .md-header-nav__button.md-logo {\n display: none; }\n .md-hero__inner {\n margin-top: 2.4rem;\n margin-bottom: 1.2rem; }\n .md-nav {\n background-color: white; }\n .md-nav--primary,\n .md-nav--primary .md-nav {\n display: -webkit-box;\n display: flex;\n position: absolute;\n top: 0;\n right: 0;\n left: 0;\n -webkit-box-orient: vertical;\n -webkit-box-direction: normal;\n flex-direction: column;\n height: 100%;\n z-index: 1; }\n .md-nav--primary .md-nav__title,\n .md-nav--primary .md-nav__item {\n font-size: 0.8rem;\n line-height: 1.5; }\n html .md-nav--primary .md-nav__title {\n position: relative;\n height: 5.6rem;\n padding: 3rem 0.8rem 0.2rem;\n background-color: rgba(0, 0, 0, 0.07);\n color: rgba(0, 0, 0, 0.54);\n font-weight: 400;\n line-height: 2.4rem;\n white-space: nowrap;\n cursor: pointer; }\n html .md-nav--primary .md-nav__title::before {\n display: block;\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n width: 2rem;\n height: 2rem;\n color: rgba(0, 0, 0, 0.54); }\n html .md-nav--primary .md-nav__title ~ .md-nav__list {\n background-color: white;\n box-shadow: 0 0.05rem 0 rgba(0, 0, 0, 0.07) inset; }\n html .md-nav--primary .md-nav__title ~ .md-nav__list > .md-nav__item:first-child {\n border-top: 0; }\n html .md-nav--primary .md-nav__title--site {\n position: relative;\n background-color: #3f51b5;\n color: white; }\n html .md-nav--primary .md-nav__title--site .md-nav__button {\n display: block;\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n width: 3.2rem;\n height: 3.2rem;\n font-size: 2.4rem; }\n html .md-nav--primary .md-nav__title--site::before {\n display: none; }\n html [dir=\"rtl\"] .md-nav--primary .md-nav__title::before {\n right: 0.2rem;\n left: initial; }\n html [dir=\"rtl\"] .md-nav--primary .md-nav__title--site .md-nav__button {\n right: 0.2rem;\n left: initial; }\n .md-nav--primary .md-nav__list {\n -webkit-box-flex: 1;\n flex: 1;\n overflow-y: auto; }\n .md-nav--primary .md-nav__item {\n padding: 0;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07); }\n [dir=\"rtl\"] .md-nav--primary .md-nav__item {\n padding: 0; }\n .md-nav--primary .md-nav__item--nested > .md-nav__link {\n padding-right: 2.4rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav__item--nested > .md-nav__link {\n padding-right: 0.8rem;\n padding-left: 2.4rem; }\n .md-nav--primary .md-nav__item--nested > .md-nav__link::after {\n content: \"\\E315\"; }\n [dir=\"rtl\"] .md-nav--primary .md-nav__item--nested > .md-nav__link::after {\n content: \"\\E314\"; }\n .md-nav--primary .md-nav__link {\n position: relative;\n margin-top: 0;\n padding: 0.6rem 0.8rem; }\n .md-nav--primary .md-nav__link::after {\n position: absolute;\n top: 50%;\n right: 0.6rem;\n margin-top: -0.6rem;\n color: inherit;\n font-size: 1.2rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav__link::after {\n right: initial;\n left: 0.6rem; }\n .md-nav--primary .md-nav--secondary .md-nav__link {\n position: static; }\n .md-nav--primary .md-nav--secondary .md-nav {\n position: static;\n background-color: transparent; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n padding-left: 1.4rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n padding-right: 1.4rem;\n padding-left: initial; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n padding-left: 2rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n padding-right: 2rem;\n padding-left: initial; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: 2.6rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n padding-right: 2.6rem;\n padding-left: initial; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: 3.2rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n padding-right: 3.2rem;\n padding-left: initial; }\n .md-nav__toggle ~ .md-nav {\n display: -webkit-box;\n display: flex;\n -webkit-transform: translateX(100%);\n transform: translateX(100%);\n -webkit-transition: opacity 0.125s 0.05s, -webkit-transform 0.25s cubic-bezier(0.8, 0, 0.6, 1);\n transition: opacity 0.125s 0.05s, -webkit-transform 0.25s cubic-bezier(0.8, 0, 0.6, 1);\n transition: transform 0.25s cubic-bezier(0.8, 0, 0.6, 1), opacity 0.125s 0.05s;\n transition: transform 0.25s cubic-bezier(0.8, 0, 0.6, 1), opacity 0.125s 0.05s, -webkit-transform 0.25s cubic-bezier(0.8, 0, 0.6, 1);\n opacity: 0; }\n [dir=\"rtl\"] .md-nav__toggle ~ .md-nav {\n -webkit-transform: translateX(-100%);\n transform: translateX(-100%); }\n .no-csstransforms3d .md-nav__toggle ~ .md-nav {\n display: none; }\n .md-nav__toggle:checked ~ .md-nav {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.125s 0.125s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: opacity 0.125s 0.125s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.125s 0.125s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.125s 0.125s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 1; }\n .no-csstransforms3d .md-nav__toggle:checked ~ .md-nav {\n display: -webkit-box;\n display: flex; }\n .md-sidebar--primary {\n position: fixed;\n top: 0;\n left: -12.1rem;\n width: 12.1rem;\n height: 100%;\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: box-shadow 0.25s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: box-shadow 0.25s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n background-color: white;\n z-index: 3; }\n [dir=\"rtl\"] .md-sidebar--primary {\n right: -12.1rem;\n left: initial; }\n .no-csstransforms3d .md-sidebar--primary {\n display: none; }\n [data-md-toggle=\"drawer\"]:checked ~ .md-container .md-sidebar--primary {\n box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12), 0 5px 5px -3px rgba(0, 0, 0, 0.4);\n -webkit-transform: translateX(12.1rem);\n transform: translateX(12.1rem); }\n [dir=\"rtl\"] [data-md-toggle=\"drawer\"]:checked ~ .md-container .md-sidebar--primary {\n -webkit-transform: translateX(-12.1rem);\n transform: translateX(-12.1rem); }\n .no-csstransforms3d [data-md-toggle=\"drawer\"]:checked ~ .md-container .md-sidebar--primary {\n display: block; }\n .md-sidebar--primary .md-sidebar__scrollwrap {\n overflow: hidden; }\n .md-sidebar--primary .md-sidebar__scrollwrap {\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n margin: 0; }\n .md-tabs {\n display: none; } }\n\n@media only screen and (min-width: 60em) {\n .md-content {\n margin-right: 12.1rem; }\n [dir=\"rtl\"] .md-content {\n margin-right: initial;\n margin-left: 12.1rem; }\n .md-header-nav__button.md-icon--search {\n display: none; }\n .md-header-nav__source {\n display: block;\n width: 11.7rem;\n max-width: 11.7rem;\n padding-right: 0.6rem; }\n [dir=\"rtl\"] .md-header-nav__source {\n padding-right: initial;\n padding-left: 0.6rem; }\n .md-search {\n padding: 0.2rem; }\n .md-search__overlay {\n position: fixed;\n top: 0;\n left: 0;\n width: 0;\n height: 0;\n -webkit-transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n background-color: rgba(0, 0, 0, 0.54);\n cursor: pointer; }\n [dir=\"rtl\"] .md-search__overlay {\n right: 0;\n left: initial; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n width: 100%;\n height: 100%;\n -webkit-transition: width 0s, height 0s, opacity 0.25s;\n transition: width 0s, height 0s, opacity 0.25s;\n opacity: 1; }\n .md-search__inner {\n position: relative;\n width: 11.5rem;\n margin-right: 0.8rem;\n padding: 0.1rem 0;\n float: right;\n -webkit-transition: width 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: width 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n [dir=\"rtl\"] .md-search__inner {\n margin-right: initial;\n margin-left: 0.8rem;\n float: left; }\n .md-search__form {\n border-radius: 0.1rem; }\n .md-search__input {\n width: 100%;\n height: 1.8rem;\n padding-left: 2.2rem;\n -webkit-transition: background-color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: background-color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.26);\n color: inherit;\n font-size: 0.8rem; }\n [dir=\"rtl\"] .md-search__input {\n padding-right: 2.2rem; }\n .md-search__input + .md-search__icon {\n color: inherit; }\n .md-search__input::-webkit-input-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input::-moz-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input:-ms-input-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input::-ms-input-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input::placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input:hover {\n background-color: rgba(255, 255, 255, 0.12); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input {\n border-radius: 0.1rem 0.1rem 0 0;\n background-color: white;\n color: rgba(0, 0, 0, 0.87);\n text-overflow: clip; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::-webkit-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::-moz-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input:-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input + .md-search__icon, [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__output {\n top: 1.9rem;\n -webkit-transition: opacity 0.4s;\n transition: opacity 0.4s;\n opacity: 0; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__output {\n box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.4);\n opacity: 1; }\n .md-search__scrollwrap {\n max-height: 0; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__scrollwrap {\n max-height: 75vh; }\n .md-search__scrollwrap::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-search__scrollwrap::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-search__scrollwrap::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n .md-search-result__meta {\n padding-left: 2.2rem; }\n [dir=\"rtl\"] .md-search-result__meta {\n padding-right: 2.2rem;\n padding-left: initial; }\n .md-search-result__article {\n padding-left: 2.2rem; }\n [dir=\"rtl\"] .md-search-result__article {\n padding-right: 2.2rem;\n padding-left: 0.8rem; }\n .md-sidebar--secondary {\n display: block;\n margin-left: calc(100% - 12.1rem); }\n [dir=\"rtl\"] .md-sidebar--secondary {\n margin-right: calc(100% - 12.1rem);\n margin-left: initial; }\n .md-sidebar--secondary .md-sidebar__scrollwrap {\n -webkit-overflow-scrolling: touch; } }\n\n@media only screen and (min-width: 76.25em) {\n .md-content {\n margin-left: 12.1rem; }\n [dir=\"rtl\"] .md-content {\n margin-right: 12.1rem; }\n .md-content__inner {\n margin-right: 1.2rem;\n margin-left: 1.2rem; }\n .md-header-nav__button.md-icon--menu {\n display: none; }\n .md-nav {\n -webkit-transition: max-height 0.25s cubic-bezier(0.86, 0, 0.07, 1);\n transition: max-height 0.25s cubic-bezier(0.86, 0, 0.07, 1); }\n .md-nav__toggle ~ .md-nav {\n max-height: 0;\n overflow: hidden; }\n .no-js .md-nav__toggle ~ .md-nav {\n display: none; }\n .md-nav__toggle:checked ~ .md-nav {\n max-height: 100%; }\n .md-nav__item--nested > .md-nav > .md-nav__title {\n display: none; }\n .md-nav__item--nested > .md-nav__link::after {\n display: inline-block;\n -webkit-transform-origin: 0.45em 0.45em;\n transform-origin: 0.45em 0.45em;\n -webkit-transform-style: preserve-3d;\n transform-style: preserve-3d;\n vertical-align: -0.125em; }\n .js .md-nav__item--nested > .md-nav__link::after {\n -webkit-transition: -webkit-transform 0.4s;\n transition: -webkit-transform 0.4s;\n transition: transform 0.4s;\n transition: transform 0.4s, -webkit-transform 0.4s; }\n .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link::after {\n -webkit-transform: rotateX(180deg);\n transform: rotateX(180deg); }\n .md-search__inner {\n margin-right: 1.2rem; }\n [dir=\"rtl\"] .md-search__inner {\n margin-left: 1.2rem; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n width: 34.4rem; }\n .md-search__scrollwrap {\n width: 34.4rem; }\n .md-sidebar--secondary {\n margin-left: 48.9rem; }\n [dir=\"rtl\"] .md-sidebar--secondary {\n margin-right: 48.9rem;\n margin-left: initial; }\n .md-tabs ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--nested {\n font-size: 0;\n visibility: hidden; }\n .md-tabs--active ~ .md-main .md-nav--primary .md-nav__title {\n display: block;\n padding: 0; }\n .md-tabs--active ~ .md-main .md-nav--primary .md-nav__title--site {\n display: none; }\n .no-js .md-tabs--active ~ .md-main .md-nav--primary .md-nav {\n display: block; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item {\n font-size: 0;\n visibility: hidden; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--nested {\n display: none;\n font-size: 0.7rem;\n overflow: auto;\n visibility: visible; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__link {\n display: none; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--active {\n display: block; }\n .md-tabs--active ~ .md-main .md-nav[data-md-level=\"1\"] {\n max-height: initial;\n overflow: visible; }\n .md-tabs--active ~ .md-main .md-nav[data-md-level=\"1\"] > .md-nav__list > .md-nav__item {\n padding-left: 0; }\n .md-tabs--active ~ .md-main .md-nav[data-md-level=\"1\"] .md-nav .md-nav__title {\n display: none; } }\n\n@media only screen and (min-width: 45em) {\n .md-footer-nav__link {\n width: 50%; }\n .md-footer-copyright {\n max-width: 75%;\n float: left; }\n [dir=\"rtl\"] .md-footer-copyright {\n float: right; }\n .md-footer-social {\n padding: 0.6rem 0;\n float: right; }\n [dir=\"rtl\"] .md-footer-social {\n float: left; } }\n\n@media only screen and (max-width: 29.9375em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transform: scale(45);\n transform: scale(45); } }\n\n@media only screen and (min-width: 30em) and (max-width: 44.9375em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transform: scale(60);\n transform: scale(60); } }\n\n@media only screen and (min-width: 45em) and (max-width: 59.9375em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transform: scale(75);\n transform: scale(75); } }\n\n@media only screen and (min-width: 60em) and (max-width: 76.1875em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n width: 23.4rem; }\n .md-search__scrollwrap {\n width: 23.4rem; }\n .md-search-result__teaser {\n max-height: 2.5rem;\n -webkit-line-clamp: 3; } }\n\n@media (-webkit-max-device-pixel-ratio: 1), (max-resolution: 1dppx) {\n .md-search__scrollwrap {\n -webkit-transform: translateZ(0);\n transform: translateZ(0); } }\n/*# sourceMappingURL=app.css.map */",null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null]} \ No newline at end of file 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pointer; }\n\n.md-icon--arrow-back::before {\n content: \"\"; }\n\n.md-icon--arrow-forward::before {\n content: \"\"; }\n\n.md-icon--menu::before {\n content: \"\"; }\n\n.md-icon--search::before {\n content: \"\"; }\n\n[dir=\"rtl\"] .md-icon--arrow-back::before {\n content: \"\"; }\n\n[dir=\"rtl\"] .md-icon--arrow-forward::before {\n content: \"\"; }\n\nbody {\n -webkit-font-smoothing: antialiased;\n -moz-osx-font-smoothing: grayscale; }\n\nbody,\ninput {\n color: rgba(0, 0, 0, 0.87);\n font-feature-settings: \"kern\", \"liga\";\n font-family: \"Helvetica Neue\", Helvetica, Arial, sans-serif; }\n\npre,\ncode,\nkbd {\n color: rgba(0, 0, 0, 0.87);\n font-feature-settings: \"kern\";\n font-family: \"Courier New\", Courier, monospace; }\n\n.md-typeset {\n font-size: 0.8rem;\n line-height: 1.6;\n -webkit-print-color-adjust: exact; }\n .md-typeset p,\n .md-typeset ul,\n .md-typeset ol,\n .md-typeset blockquote {\n margin: 1em 0; }\n .md-typeset h1 {\n margin: 0 0 2rem;\n color: rgba(0, 0, 0, 0.54);\n font-size: 1.5625rem;\n font-weight: 300;\n letter-spacing: -0.01em;\n line-height: 1.3; }\n .md-typeset h2 {\n margin: 2rem 0 0.8rem;\n font-size: 1.25rem;\n font-weight: 300;\n letter-spacing: -0.01em;\n line-height: 1.4; }\n .md-typeset h3 {\n margin: 1.6rem 0 0.8rem;\n font-size: 1rem;\n font-weight: 400;\n letter-spacing: -0.01em;\n line-height: 1.5; }\n .md-typeset h2 + h3 {\n margin-top: 0.8rem; }\n .md-typeset h4 {\n margin: 0.8rem 0;\n font-size: 0.8rem;\n font-weight: 700;\n letter-spacing: -0.01em; }\n .md-typeset h5,\n .md-typeset h6 {\n margin: 0.8rem 0;\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem;\n font-weight: 700;\n letter-spacing: -0.01em; }\n .md-typeset h5 {\n text-transform: uppercase; }\n .md-typeset hr {\n margin: 1.5em 0;\n border-bottom: 0.05rem dotted rgba(0, 0, 0, 0.26); }\n .md-typeset a {\n color: #3f51b5;\n word-break: break-word; }\n .md-typeset a, .md-typeset a::before {\n -webkit-transition: color 0.125s;\n transition: color 0.125s; }\n .md-typeset a:hover, .md-typeset a:active {\n color: #536dfe; }\n .md-typeset code,\n .md-typeset pre {\n background-color: rgba(236, 236, 236, 0.5);\n color: #37474F;\n font-size: 85%;\n direction: ltr; }\n .md-typeset code {\n margin: 0 0.29412em;\n padding: 0.07353em 0;\n border-radius: 0.1rem;\n box-shadow: 0.29412em 0 0 rgba(236, 236, 236, 0.5), -0.29412em 0 0 rgba(236, 236, 236, 0.5);\n word-break: break-word;\n -webkit-box-decoration-break: clone;\n box-decoration-break: clone; }\n .md-typeset h1 code,\n .md-typeset h2 code,\n .md-typeset h3 code,\n .md-typeset h4 code,\n .md-typeset h5 code,\n .md-typeset h6 code {\n margin: 0;\n background-color: transparent;\n box-shadow: none; }\n .md-typeset a > code {\n margin: inherit;\n padding: inherit;\n border-radius: initial;\n background-color: inherit;\n color: inherit;\n box-shadow: none; }\n .md-typeset pre {\n position: relative;\n margin: 1em 0;\n border-radius: 0.1rem;\n line-height: 1.4;\n -webkit-overflow-scrolling: touch; }\n .md-typeset pre > code {\n display: block;\n margin: 0;\n padding: 0.525rem 0.6rem;\n background-color: transparent;\n font-size: inherit;\n box-shadow: none;\n -webkit-box-decoration-break: slice;\n box-decoration-break: slice;\n overflow: auto; }\n .md-typeset pre > code::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-typeset pre > code::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-typeset pre > code::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n .md-typeset kbd {\n padding: 0 0.29412em;\n border: 0.05rem solid #c9c9c9;\n border-radius: 0.15rem;\n border-bottom-color: #bcbcbc;\n background-color: #FCFCFC;\n color: #555555;\n font-size: 85%;\n box-shadow: 0 0.05rem 0 #b0b0b0;\n word-break: break-word; }\n .md-typeset mark {\n margin: 0 0.25em;\n padding: 0.0625em 0;\n border-radius: 0.1rem;\n background-color: rgba(255, 235, 59, 0.5);\n box-shadow: 0.25em 0 0 rgba(255, 235, 59, 0.5), -0.25em 0 0 rgba(255, 235, 59, 0.5);\n word-break: break-word;\n -webkit-box-decoration-break: clone;\n box-decoration-break: clone; }\n .md-typeset abbr {\n border-bottom: 0.05rem dotted rgba(0, 0, 0, 0.54);\n text-decoration: none;\n cursor: help; }\n .md-typeset small {\n opacity: 0.75; }\n .md-typeset sup,\n .md-typeset sub {\n margin-left: 0.07812em; }\n [dir=\"rtl\"] .md-typeset sup, [dir=\"rtl\"]\n .md-typeset sub {\n margin-right: 0.07812em;\n margin-left: initial; }\n .md-typeset blockquote {\n padding-left: 0.6rem;\n border-left: 0.2rem solid rgba(0, 0, 0, 0.26);\n color: rgba(0, 0, 0, 0.54); }\n [dir=\"rtl\"] .md-typeset blockquote {\n padding-right: 0.6rem;\n padding-left: initial;\n border-right: 0.2rem solid rgba(0, 0, 0, 0.26);\n border-left: initial; }\n .md-typeset ul {\n list-style-type: disc; }\n .md-typeset ul,\n .md-typeset ol {\n margin-left: 0.625em;\n padding: 0; }\n [dir=\"rtl\"] .md-typeset ul, [dir=\"rtl\"]\n .md-typeset ol {\n margin-right: 0.625em;\n margin-left: initial; }\n .md-typeset ul ol,\n .md-typeset ol ol {\n list-style-type: lower-alpha; }\n .md-typeset ul ol ol,\n .md-typeset ol ol ol {\n list-style-type: lower-roman; }\n .md-typeset ul li,\n .md-typeset ol li {\n margin-bottom: 0.5em;\n margin-left: 1.25em; }\n [dir=\"rtl\"] .md-typeset ul li, [dir=\"rtl\"]\n .md-typeset ol li {\n margin-right: 1.25em;\n margin-left: initial; }\n .md-typeset ul li p,\n .md-typeset ul li blockquote,\n .md-typeset ol li p,\n .md-typeset ol li blockquote {\n margin: 0.5em 0; }\n .md-typeset ul li:last-child,\n .md-typeset ol li:last-child {\n margin-bottom: 0; }\n .md-typeset ul li ul,\n .md-typeset ul li ol,\n .md-typeset ol li ul,\n .md-typeset ol li ol {\n margin: 0.5em 0 0.5em 0.625em; }\n [dir=\"rtl\"] .md-typeset ul li ul, [dir=\"rtl\"]\n .md-typeset ul li ol, [dir=\"rtl\"]\n .md-typeset ol li ul, [dir=\"rtl\"]\n .md-typeset ol li ol {\n margin-right: 0.625em;\n margin-left: initial; }\n .md-typeset dd {\n margin: 1em 0 1em 1.875em; }\n [dir=\"rtl\"] .md-typeset dd {\n margin-right: 1.875em;\n margin-left: initial; }\n .md-typeset iframe,\n .md-typeset img,\n .md-typeset svg {\n max-width: 100%; }\n .md-typeset table:not([class]) {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n display: inline-block;\n max-width: 100%;\n border-radius: 0.1rem;\n font-size: 0.64rem;\n overflow: auto;\n -webkit-overflow-scrolling: touch; }\n .md-typeset table:not([class]) + * {\n margin-top: 1.5em; }\n .md-typeset table:not([class]) th:not([align]),\n .md-typeset table:not([class]) td:not([align]) {\n text-align: left; }\n [dir=\"rtl\"] .md-typeset table:not([class]) th:not([align]), [dir=\"rtl\"]\n .md-typeset table:not([class]) td:not([align]) {\n text-align: right; }\n .md-typeset table:not([class]) th {\n min-width: 5rem;\n padding: 0.6rem 0.8rem;\n background-color: rgba(0, 0, 0, 0.54);\n color: white;\n vertical-align: top; }\n .md-typeset table:not([class]) td {\n padding: 0.6rem 0.8rem;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07);\n vertical-align: top; }\n .md-typeset table:not([class]) tr {\n -webkit-transition: background-color 0.125s;\n transition: background-color 0.125s; }\n .md-typeset table:not([class]) tr:hover {\n background-color: rgba(0, 0, 0, 0.035);\n box-shadow: 0 0.05rem 0 white inset; }\n .md-typeset table:not([class]) tr:first-child td {\n border-top: 0; }\n .md-typeset table:not([class]) a {\n word-break: normal; }\n .md-typeset__scrollwrap {\n margin: 1em -0.8rem;\n overflow-x: auto;\n -webkit-overflow-scrolling: touch; }\n .md-typeset .md-typeset__table {\n display: inline-block;\n margin-bottom: 0.5em;\n padding: 0 0.8rem; }\n .md-typeset .md-typeset__table table {\n display: table;\n width: 100%;\n margin: 0;\n overflow: hidden; }\n\nhtml {\n min-height: 100%;\n background-color: white;\n font-size: 125%;\n overflow-x: hidden; }\n\nbody {\n position: relative;\n min-height: 100%;\n font-size: 0.5rem; }\n\nhr {\n display: block;\n height: 0.05rem;\n padding: 0;\n border: 0; }\n\n.md-grid {\n max-width: 61rem;\n margin-right: auto;\n margin-left: auto; }\n\n.md-container,\n.md-main {\n overflow: auto; }\n\n.md-container {\n display: table;\n width: 100%;\n height: 100%;\n table-layout: fixed; }\n\n.md-main {\n display: table-row;\n height: 100%; }\n .md-main__inner {\n height: 100%;\n padding-top: 1.5rem;\n padding-bottom: 0.05rem; }\n\n.md-toggle {\n display: none; }\n\n.md-overlay {\n position: fixed;\n top: 0;\n width: 0;\n height: 0;\n -webkit-transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n background-color: rgba(0, 0, 0, 0.54);\n opacity: 0;\n z-index: 3; }\n\n.md-flex {\n display: table; }\n .md-flex__cell {\n display: table-cell;\n position: relative;\n vertical-align: top; }\n .md-flex__cell--shrink {\n width: 0%; }\n .md-flex__cell--stretch {\n display: table;\n width: 100%;\n table-layout: fixed; }\n .md-flex__ellipsis {\n display: table-cell;\n text-overflow: ellipsis;\n white-space: nowrap;\n overflow: hidden; }\n\n.md-skip {\n position: fixed;\n width: 0.05rem;\n height: 0.05rem;\n margin: 0.5rem;\n padding: 0.3rem 0.5rem;\n -webkit-transform: translateY(0.4rem);\n transform: translateY(0.4rem);\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.87);\n color: white;\n font-size: 0.64rem;\n opacity: 0;\n overflow: hidden; }\n .md-skip:focus {\n width: auto;\n height: auto;\n clip: auto;\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 1;\n z-index: 10; }\n\n@page {\n margin: 25mm; }\n\n.md-announcement {\n background-color: rgba(0, 0, 0, 0.87); }\n .md-announcement__inner {\n min-height: 2.4rem;\n padding: 0 0.8rem;\n color: white;\n font-size: 0.7rem;\n line-height: 2.4rem; }\n\n.md-clipboard {\n position: absolute;\n top: 0.3rem;\n right: 0.3rem;\n width: 1.4rem;\n height: 1.4rem;\n border-radius: 0.1rem;\n font-size: 0.8rem;\n cursor: pointer;\n z-index: 1;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden; }\n .md-clipboard::before {\n -webkit-transition: color 0.25s, opacity 0.25s;\n transition: color 0.25s, opacity 0.25s;\n color: rgba(0, 0, 0, 0.07);\n content: \"\\E14D\"; }\n pre:hover .md-clipboard::before,\n .codehilite:hover .md-clipboard::before,\n .md-typeset .highlight:hover .md-clipboard::before {\n color: rgba(0, 0, 0, 0.54); }\n .md-clipboard:focus::before, .md-clipboard:hover::before {\n color: #536dfe; }\n .md-clipboard__message {\n display: block;\n position: absolute;\n top: 0;\n right: 1.7rem;\n padding: 0.3rem 0.5rem;\n -webkit-transform: translateX(0.4rem);\n transform: translateX(0.4rem);\n -webkit-transition: opacity 0.175s, -webkit-transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0);\n transition: opacity 0.175s, -webkit-transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0);\n transition: transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0), opacity 0.175s;\n transition: transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0), opacity 0.175s, -webkit-transform 0.25s cubic-bezier(0.9, 0.1, 0.9, 0);\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.54);\n color: white;\n font-size: 0.64rem;\n white-space: nowrap;\n opacity: 0;\n pointer-events: none; }\n .md-clipboard__message--active {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.175s 0.075s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 1;\n pointer-events: initial; }\n .md-clipboard__message::before {\n content: attr(aria-label); }\n .md-clipboard__message::after {\n display: block;\n position: absolute;\n top: 50%;\n right: -0.2rem;\n width: 0;\n margin-top: -0.2rem;\n border-width: 0.2rem 0 0.2rem 0.2rem;\n border-style: solid;\n border-color: transparent rgba(0, 0, 0, 0.54);\n content: \"\"; }\n\n.md-content__inner {\n margin: 0 0.8rem 1.2rem;\n padding-top: 0.6rem; }\n .md-content__inner::before {\n display: block;\n height: 0.4rem;\n content: \"\"; }\n .md-content__inner > :last-child {\n margin-bottom: 0; }\n\n.md-content__icon {\n position: relative;\n margin: 0.4rem 0;\n padding: 0;\n float: right; }\n .md-typeset .md-content__icon {\n color: rgba(0, 0, 0, 0.26); }\n\n.md-header {\n position: -webkit-sticky;\n position: sticky;\n top: 0;\n right: 0;\n left: 0;\n height: 2.4rem;\n -webkit-transition: background-color 0.25s, color 0.25s;\n transition: background-color 0.25s, color 0.25s;\n background-color: #3f51b5;\n color: white;\n box-shadow: none;\n z-index: 2;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden; }\n .no-js .md-header {\n -webkit-transition: none;\n transition: none;\n box-shadow: none; }\n .md-header[data-md-state=\"shadow\"] {\n -webkit-transition: background-color 0.25s, color 0.25s, box-shadow 0.25s;\n transition: background-color 0.25s, color 0.25s, box-shadow 0.25s;\n box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.1), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.2); }\n\n.md-header-nav {\n padding: 0 0.2rem; }\n .md-header-nav__button {\n position: relative;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s;\n z-index: 1; }\n .md-header-nav__button:hover {\n opacity: 0.7; }\n .md-header-nav__button.md-logo * {\n display: block; }\n .no-js .md-header-nav__button.md-icon--search {\n display: none; }\n .md-header-nav__topic {\n display: block;\n position: absolute;\n width: calc(100% - 1rem);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n text-overflow: ellipsis;\n white-space: nowrap;\n overflow: hidden; }\n .md-header-nav__topic + .md-header-nav__topic {\n -webkit-transform: translateX(1.25rem);\n transform: translateX(1.25rem);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n opacity: 0;\n z-index: -1;\n pointer-events: none; }\n [dir=\"rtl\"] .md-header-nav__topic + .md-header-nav__topic {\n -webkit-transform: translateX(-1.25rem);\n transform: translateX(-1.25rem); }\n .no-js .md-header-nav__topic {\n position: initial; }\n .no-js .md-header-nav__topic + .md-header-nav__topic {\n display: none; }\n .md-header-nav__title {\n padding: 0 1rem;\n font-size: 0.9rem;\n line-height: 2.4rem; }\n .md-header-nav__title[data-md-state=\"active\"] .md-header-nav__topic {\n -webkit-transform: translateX(-1.25rem);\n transform: translateX(-1.25rem);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(1, 0.7, 0.1, 0.1);\n opacity: 0;\n z-index: -1;\n pointer-events: none; }\n [dir=\"rtl\"] .md-header-nav__title[data-md-state=\"active\"] .md-header-nav__topic {\n -webkit-transform: translateX(1.25rem);\n transform: translateX(1.25rem); }\n .md-header-nav__title[data-md-state=\"active\"] .md-header-nav__topic + .md-header-nav__topic {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n opacity: 1;\n z-index: 0;\n pointer-events: initial; }\n .md-header-nav__source {\n display: none; }\n\n.md-hero {\n -webkit-transition: background 0.25s;\n transition: background 0.25s;\n background-color: #3f51b5;\n color: white;\n font-size: 1rem;\n overflow: hidden; }\n .md-hero__inner {\n margin-top: 1rem;\n padding: 0.8rem 0.8rem 0.4rem;\n -webkit-transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n -webkit-transition-delay: 0.1s;\n transition-delay: 0.1s; }\n [data-md-state=\"hidden\"] .md-hero__inner {\n pointer-events: none;\n -webkit-transform: translateY(0.625rem);\n transform: translateY(0.625rem);\n -webkit-transition: opacity 0.1s 0s, -webkit-transform 0s 0.4s;\n transition: opacity 0.1s 0s, -webkit-transform 0s 0.4s;\n transition: transform 0s 0.4s, opacity 0.1s 0s;\n transition: transform 0s 0.4s, opacity 0.1s 0s, -webkit-transform 0s 0.4s;\n opacity: 0; }\n .md-hero--expand .md-hero__inner {\n margin-bottom: 1.2rem; }\n\n.md-footer-nav {\n background-color: rgba(0, 0, 0, 0.87);\n color: white; }\n .md-footer-nav__inner {\n padding: 0.2rem;\n overflow: auto; }\n .md-footer-nav__link {\n padding-top: 1.4rem;\n padding-bottom: 0.4rem;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s; }\n .md-footer-nav__link:hover {\n opacity: 0.7; }\n .md-footer-nav__link--prev {\n width: 25%;\n float: left; }\n [dir=\"rtl\"] .md-footer-nav__link--prev {\n float: right; }\n .md-footer-nav__link--next {\n width: 75%;\n float: right;\n text-align: right; }\n [dir=\"rtl\"] .md-footer-nav__link--next {\n float: left;\n text-align: left; }\n .md-footer-nav__button {\n -webkit-transition: background 0.25s;\n transition: background 0.25s; }\n .md-footer-nav__title {\n position: relative;\n padding: 0 1rem;\n font-size: 0.9rem;\n line-height: 2.4rem; }\n .md-footer-nav__direction {\n position: absolute;\n right: 0;\n left: 0;\n margin-top: -1rem;\n padding: 0 1rem;\n color: rgba(255, 255, 255, 0.7);\n font-size: 0.75rem; }\n\n.md-footer-meta {\n background-color: rgba(0, 0, 0, 0.895); }\n .md-footer-meta__inner {\n padding: 0.2rem;\n overflow: auto; }\n html .md-footer-meta.md-typeset a {\n color: rgba(255, 255, 255, 0.7); }\n html .md-footer-meta.md-typeset a:focus, html .md-footer-meta.md-typeset a:hover {\n color: white; }\n\n.md-footer-copyright {\n margin: 0 0.6rem;\n padding: 0.4rem 0;\n color: rgba(255, 255, 255, 0.3);\n font-size: 0.64rem; }\n .md-footer-copyright__highlight {\n color: rgba(255, 255, 255, 0.7); }\n\n.md-footer-social {\n margin: 0 0.4rem;\n padding: 0.2rem 0 0.6rem; }\n .md-footer-social__link {\n display: inline-block;\n width: 1.6rem;\n height: 1.6rem;\n font-size: 0.8rem;\n text-align: center; }\n .md-footer-social__link::before {\n line-height: 1.9; }\n .md-footer-social__link svg {\n width: 0.8rem;\n -webkit-transition: fill 0.25s;\n transition: fill 0.25s;\n vertical-align: -25%;\n fill: rgba(255, 255, 255, 0.7); }\n .md-footer-social__link:focus svg,\n .md-footer-social__link:hover svg {\n fill: white; }\n\n.md-nav {\n font-size: 0.7rem;\n line-height: 1.3; }\n .md-nav__title {\n display: block;\n padding: 0 0.6rem;\n font-weight: 700;\n text-overflow: ellipsis;\n overflow: hidden; }\n .md-nav__title::before {\n display: none;\n content: \"\\E5C4\"; }\n [dir=\"rtl\"] .md-nav__title::before {\n content: \"\\E5C8\"; }\n .md-nav__title .md-nav__button {\n display: none; }\n .md-nav__list {\n margin: 0;\n padding: 0;\n list-style: none; }\n .md-nav__item {\n padding: 0 0.6rem; }\n .md-nav__item:last-child {\n padding-bottom: 0.6rem; }\n .md-nav__item .md-nav__item {\n padding-right: 0; }\n [dir=\"rtl\"] .md-nav__item .md-nav__item {\n padding-right: 0.6rem;\n padding-left: 0; }\n .md-nav__item .md-nav__item:last-child {\n padding-bottom: 0; }\n .md-nav__button img {\n width: 100%;\n height: auto; }\n .md-nav__link {\n display: block;\n margin-top: 0.625em;\n -webkit-transition: color 0.125s;\n transition: color 0.125s;\n text-overflow: ellipsis;\n cursor: pointer;\n overflow: hidden; }\n .md-nav__item--nested > .md-nav__link::after {\n content: \"\\E313\"; }\n html .md-nav__link[for=\"__toc\"] {\n display: none; }\n html .md-nav__link[for=\"__toc\"] ~ .md-nav {\n display: none; }\n html .md-nav__link[for=\"__toc\"] + .md-nav__link::after {\n display: none; }\n .md-nav__link[data-md-state=\"blur\"] {\n color: rgba(0, 0, 0, 0.54); }\n .md-nav__link:active, .md-nav__link--active {\n color: #3f51b5; }\n .md-nav__item--nested > .md-nav__link {\n color: inherit; }\n .md-nav__link:focus, .md-nav__link:hover {\n color: #536dfe; }\n .md-nav__source {\n display: none; }\n\n.no-js .md-search {\n display: none; }\n\n.md-search__overlay {\n opacity: 0;\n z-index: 1; }\n\n.md-search__form {\n position: relative; }\n\n.md-search__input {\n position: relative;\n padding: 0 2.2rem 0 3.6rem;\n text-overflow: ellipsis;\n z-index: 2; }\n [dir=\"rtl\"] .md-search__input {\n padding: 0 3.6rem 0 2.2rem; }\n .md-search__input::-webkit-input-placeholder {\n -webkit-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::-moz-placeholder {\n -moz-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input:-ms-input-placeholder {\n -ms-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::-ms-input-placeholder {\n -ms-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::placeholder {\n -webkit-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n .md-search__input::-webkit-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input::-moz-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input:-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input::-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input ~ .md-search__icon, .md-search__input::placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__input::-ms-clear {\n display: none; }\n\n.md-search__icon {\n position: absolute;\n -webkit-transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n transition: color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n font-size: 1.2rem;\n cursor: pointer;\n z-index: 2; }\n .md-search__icon:hover {\n opacity: 0.7; }\n .md-search__icon[for=\"__search\"] {\n top: 0.3rem;\n left: 0.5rem; }\n [dir=\"rtl\"] .md-search__icon[for=\"__search\"] {\n right: 0.5rem;\n left: initial; }\n .md-search__icon[for=\"__search\"]::before {\n content: \"\\E8B6\"; }\n .md-search__icon[type=\"reset\"] {\n top: 0.3rem;\n right: 0.5rem;\n -webkit-transform: scale(0.125);\n transform: scale(0.125);\n -webkit-transition: opacity 0.15s, -webkit-transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.15s, -webkit-transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s;\n transition: transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s, -webkit-transform 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n opacity: 0; }\n [dir=\"rtl\"] .md-search__icon[type=\"reset\"] {\n right: initial;\n left: 0.5rem; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=\"reset\"] {\n -webkit-transform: scale(1);\n transform: scale(1);\n opacity: 1; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input:valid ~ .md-search__icon[type=\"reset\"]:hover {\n opacity: 0.7; }\n\n.md-search__output {\n position: absolute;\n width: 100%;\n border-radius: 0 0 0.1rem 0.1rem;\n overflow: hidden;\n z-index: 1; }\n\n.md-search__scrollwrap {\n height: 100%;\n background-color: white;\n box-shadow: 0 0.05rem 0 rgba(0, 0, 0, 0.07) inset;\n overflow-y: auto;\n -webkit-overflow-scrolling: touch; }\n\n.md-search-result {\n color: rgba(0, 0, 0, 0.87);\n word-break: break-word; }\n .md-search-result__meta {\n padding: 0 0.8rem;\n background-color: rgba(0, 0, 0, 0.07);\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem;\n line-height: 1.8rem; }\n .md-search-result__list {\n margin: 0;\n padding: 0;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07);\n list-style: none; }\n .md-search-result__item {\n box-shadow: 0 -0.05rem 0 rgba(0, 0, 0, 0.07); }\n .md-search-result__link {\n display: block;\n -webkit-transition: background 0.25s;\n transition: background 0.25s;\n outline: 0;\n overflow: hidden; }\n .md-search-result__link:focus, .md-search-result__link:hover {\n background-color: rgba(83, 109, 254, 0.1); }\n .md-search-result__link:focus .md-search-result__article::before, .md-search-result__link:hover .md-search-result__article::before {\n opacity: 0.7; }\n .md-search-result__link:last-child .md-search-result__teaser {\n margin-bottom: 0.6rem; }\n .md-search-result__article {\n position: relative;\n padding: 0 0.8rem;\n overflow: auto; }\n .md-search-result__article--document::before {\n position: absolute;\n left: 0;\n margin: 0.1rem;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s;\n color: rgba(0, 0, 0, 0.54);\n content: \"\\E880\"; }\n [dir=\"rtl\"] .md-search-result__article--document::before {\n right: 0;\n left: initial; }\n .md-search-result__article--document .md-search-result__title {\n margin: 0.55rem 0;\n font-size: 0.8rem;\n font-weight: 400;\n line-height: 1.4; }\n .md-search-result__title {\n margin: 0.5em 0;\n font-size: 0.64rem;\n font-weight: 700;\n line-height: 1.4; }\n .md-search-result__teaser {\n display: -webkit-box;\n max-height: 1.65rem;\n margin: 0.5em 0;\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem;\n line-height: 1.4;\n text-overflow: ellipsis;\n overflow: hidden;\n -webkit-box-orient: vertical;\n -webkit-line-clamp: 2; }\n .md-search-result em {\n font-style: normal;\n font-weight: 700;\n text-decoration: underline; }\n\n.md-sidebar {\n position: absolute;\n width: 12.1rem;\n padding: 1.2rem 0;\n overflow: hidden; }\n .md-sidebar[data-md-state=\"lock\"] {\n position: fixed;\n top: 2.4rem; }\n .md-sidebar--secondary {\n display: none; }\n .md-sidebar__scrollwrap {\n max-height: 100%;\n margin: 0 0.2rem;\n overflow-y: auto;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden; }\n .md-sidebar__scrollwrap::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-sidebar__scrollwrap::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n\n@-webkit-keyframes md-source__facts--done {\n 0% {\n height: 0; }\n 100% {\n height: 0.65rem; } }\n\n@keyframes md-source__facts--done {\n 0% {\n height: 0; }\n 100% {\n height: 0.65rem; } }\n\n@-webkit-keyframes md-source__fact--done {\n 0% {\n -webkit-transform: translateY(100%);\n transform: translateY(100%);\n opacity: 0; }\n 50% {\n opacity: 0; }\n 100% {\n -webkit-transform: translateY(0%);\n transform: translateY(0%);\n opacity: 1; } }\n\n@keyframes md-source__fact--done {\n 0% {\n -webkit-transform: translateY(100%);\n transform: translateY(100%);\n opacity: 0; }\n 50% {\n opacity: 0; }\n 100% {\n -webkit-transform: translateY(0%);\n transform: translateY(0%);\n opacity: 1; } }\n\n.md-source {\n display: block;\n padding-right: 0.6rem;\n -webkit-transition: opacity 0.25s;\n transition: opacity 0.25s;\n font-size: 0.65rem;\n line-height: 1.2;\n white-space: nowrap; }\n [dir=\"rtl\"] .md-source {\n padding-right: initial;\n padding-left: 0.6rem; }\n .md-source:hover {\n opacity: 0.7; }\n .md-source::after {\n display: inline-block;\n height: 2.4rem;\n content: \"\";\n vertical-align: middle; }\n .md-source__icon {\n display: inline-block;\n width: 2.4rem;\n height: 2.4rem;\n vertical-align: middle; }\n .md-source__icon svg {\n width: 1.2rem;\n height: 1.2rem;\n margin-top: 0.6rem;\n margin-left: 0.6rem;\n fill: white; }\n [dir=\"rtl\"] .md-source__icon svg {\n margin-right: 0.6rem;\n margin-left: initial; }\n .md-source__icon + .md-source__repository {\n margin-left: -2rem;\n padding-left: 2rem; }\n [dir=\"rtl\"] .md-source__icon + .md-source__repository {\n margin-right: -2rem;\n margin-left: initial;\n padding-right: 2rem;\n padding-left: initial; }\n .md-source__repository {\n display: inline-block;\n max-width: 100%;\n margin-left: 0.6rem;\n font-weight: 700;\n text-overflow: ellipsis;\n overflow: hidden;\n vertical-align: middle; }\n .md-source__facts {\n margin: 0;\n padding: 0;\n font-size: 0.55rem;\n font-weight: 700;\n list-style-type: none;\n opacity: 0.75;\n overflow: hidden; }\n [data-md-state=\"done\"] .md-source__facts {\n -webkit-animation: md-source__facts--done 0.25s ease-in;\n animation: md-source__facts--done 0.25s ease-in; }\n .md-source__fact {\n float: left; }\n [dir=\"rtl\"] .md-source__fact {\n float: right; }\n [data-md-state=\"done\"] .md-source__fact {\n -webkit-animation: md-source__fact--done 0.4s ease-out;\n animation: md-source__fact--done 0.4s ease-out; }\n .md-source__fact::before {\n margin: 0 0.1rem;\n content: \"\\00B7\"; }\n .md-source__fact:first-child::before {\n display: none; }\n\n.md-source-file {\n display: inline-block;\n margin: 1em 0.5em 1em 0;\n padding-right: 0.25rem;\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.07);\n font-size: 0.64rem;\n list-style-type: none;\n cursor: pointer;\n overflow: hidden; }\n .md-source-file::before {\n display: inline-block;\n margin-right: 0.25rem;\n padding: 0.25rem;\n background-color: rgba(0, 0, 0, 0.26);\n color: white;\n font-size: 0.8rem;\n content: \"\\E86F\";\n vertical-align: middle; }\n html .md-source-file {\n -webkit-transition: background 0.4s, color 0.4s, box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);\n transition: background 0.4s, color 0.4s, box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1); }\n html .md-source-file::before {\n -webkit-transition: inherit;\n transition: inherit; }\n html body .md-typeset .md-source-file {\n color: rgba(0, 0, 0, 0.54); }\n .md-source-file:hover {\n box-shadow: 0 0 8px rgba(0, 0, 0, 0.18), 0 8px 16px rgba(0, 0, 0, 0.36); }\n .md-source-file:hover::before {\n background-color: #536dfe; }\n\n.md-tabs {\n width: 100%;\n -webkit-transition: background 0.25s;\n transition: background 0.25s;\n background-color: #3f51b5;\n color: white;\n overflow: auto; }\n .md-tabs__list {\n margin: 0;\n margin-left: 0.2rem;\n padding: 0;\n list-style: none;\n white-space: nowrap; }\n .md-tabs__item {\n display: inline-block;\n height: 2.4rem;\n padding-right: 0.6rem;\n padding-left: 0.6rem; }\n .md-tabs__link {\n display: block;\n margin-top: 0.8rem;\n -webkit-transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s;\n transition: transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.25s, -webkit-transform 0.4s cubic-bezier(0.1, 0.7, 0.1, 1);\n font-size: 0.7rem;\n opacity: 0.7; }\n .md-tabs__link--active, .md-tabs__link:hover {\n color: inherit;\n opacity: 1; }\n .md-tabs__item:nth-child(2) .md-tabs__link {\n -webkit-transition-delay: 0.02s;\n transition-delay: 0.02s; }\n .md-tabs__item:nth-child(3) .md-tabs__link {\n -webkit-transition-delay: 0.04s;\n transition-delay: 0.04s; }\n .md-tabs__item:nth-child(4) .md-tabs__link {\n -webkit-transition-delay: 0.06s;\n transition-delay: 0.06s; }\n .md-tabs__item:nth-child(5) .md-tabs__link {\n -webkit-transition-delay: 0.08s;\n transition-delay: 0.08s; }\n .md-tabs__item:nth-child(6) .md-tabs__link {\n -webkit-transition-delay: 0.1s;\n transition-delay: 0.1s; }\n .md-tabs__item:nth-child(7) .md-tabs__link {\n -webkit-transition-delay: 0.12s;\n transition-delay: 0.12s; }\n .md-tabs__item:nth-child(8) .md-tabs__link {\n -webkit-transition-delay: 0.14s;\n transition-delay: 0.14s; }\n .md-tabs__item:nth-child(9) .md-tabs__link {\n -webkit-transition-delay: 0.16s;\n transition-delay: 0.16s; }\n .md-tabs__item:nth-child(10) .md-tabs__link {\n -webkit-transition-delay: 0.18s;\n transition-delay: 0.18s; }\n .md-tabs__item:nth-child(11) .md-tabs__link {\n -webkit-transition-delay: 0.2s;\n transition-delay: 0.2s; }\n .md-tabs__item:nth-child(12) .md-tabs__link {\n -webkit-transition-delay: 0.22s;\n transition-delay: 0.22s; }\n .md-tabs__item:nth-child(13) .md-tabs__link {\n -webkit-transition-delay: 0.24s;\n transition-delay: 0.24s; }\n .md-tabs__item:nth-child(14) .md-tabs__link {\n -webkit-transition-delay: 0.26s;\n transition-delay: 0.26s; }\n .md-tabs__item:nth-child(15) .md-tabs__link {\n -webkit-transition-delay: 0.28s;\n transition-delay: 0.28s; }\n .md-tabs__item:nth-child(16) .md-tabs__link {\n -webkit-transition-delay: 0.3s;\n transition-delay: 0.3s; }\n .md-tabs[data-md-state=\"hidden\"] {\n pointer-events: none; }\n .md-tabs[data-md-state=\"hidden\"] .md-tabs__link {\n -webkit-transform: translateY(50%);\n transform: translateY(50%);\n -webkit-transition: color 0.25s, opacity 0.1s, -webkit-transform 0s 0.4s;\n transition: color 0.25s, opacity 0.1s, -webkit-transform 0s 0.4s;\n transition: color 0.25s, transform 0s 0.4s, opacity 0.1s;\n transition: color 0.25s, transform 0s 0.4s, opacity 0.1s, -webkit-transform 0s 0.4s;\n opacity: 0; }\n\n.md-typeset .admonition, .md-typeset details {\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n margin: 1.5625em 0;\n padding: 0 0.6rem;\n border-left: 0.2rem solid #448aff;\n border-radius: 0.1rem;\n font-size: 0.64rem;\n overflow: auto; }\n [dir=\"rtl\"] .md-typeset .admonition, [dir=\"rtl\"] .md-typeset details {\n border-right: 0.2rem solid #448aff;\n border-left: none; }\n html .md-typeset .admonition > :last-child, html .md-typeset details > :last-child {\n margin-bottom: 0.6rem; }\n .md-typeset .admonition .admonition, .md-typeset details .admonition, .md-typeset .admonition details, .md-typeset details details {\n margin: 1em 0; }\n .md-typeset .admonition > .admonition-title, .md-typeset details > .admonition-title, .md-typeset .admonition > summary, .md-typeset details > summary {\n margin: 0 -0.6rem;\n padding: 0.4rem 0.6rem 0.4rem 2rem;\n border-bottom: 0.05rem solid rgba(68, 138, 255, 0.1);\n background-color: rgba(68, 138, 255, 0.1);\n font-weight: 700; }\n [dir=\"rtl\"] .md-typeset .admonition > .admonition-title, [dir=\"rtl\"] .md-typeset details > .admonition-title, [dir=\"rtl\"] .md-typeset .admonition > summary, [dir=\"rtl\"] .md-typeset details > summary {\n padding: 0.4rem 2rem 0.4rem 0.6rem; }\n .md-typeset .admonition > .admonition-title:last-child, .md-typeset details > .admonition-title:last-child, .md-typeset .admonition > summary:last-child, .md-typeset details > summary:last-child {\n margin-bottom: 0; }\n .md-typeset .admonition > .admonition-title::before, .md-typeset details > .admonition-title::before, .md-typeset .admonition > summary::before, .md-typeset details > summary::before {\n position: absolute;\n margin-left: -1.4rem;\n color: #448aff;\n font-size: 1rem;\n content: \"\\E3C9\"; }\n [dir=\"rtl\"] .md-typeset .admonition > .admonition-title::before, [dir=\"rtl\"] .md-typeset details > .admonition-title::before, [dir=\"rtl\"] .md-typeset .admonition > summary::before, [dir=\"rtl\"] .md-typeset details > summary::before {\n margin-right: -1.4rem;\n margin-left: initial; }\n .md-typeset .admonition.summary, .md-typeset details.summary, .md-typeset .admonition.tldr, .md-typeset details.tldr, .md-typeset .admonition.abstract, .md-typeset details.abstract {\n border-left-color: #00b0ff; }\n [dir=\"rtl\"] .md-typeset .admonition.summary, [dir=\"rtl\"] .md-typeset details.summary, [dir=\"rtl\"] .md-typeset .admonition.tldr, [dir=\"rtl\"] .md-typeset details.tldr, [dir=\"rtl\"] .md-typeset .admonition.abstract, [dir=\"rtl\"] .md-typeset details.abstract {\n border-right-color: #00b0ff; }\n .md-typeset .admonition.summary > .admonition-title, .md-typeset details.summary > .admonition-title, .md-typeset .admonition.tldr > .admonition-title, .md-typeset details.tldr > .admonition-title, .md-typeset .admonition.summary > summary, .md-typeset details.summary > summary, .md-typeset .admonition.tldr > summary, .md-typeset details.tldr > summary, .md-typeset .admonition.abstract > .admonition-title, .md-typeset details.abstract > .admonition-title, .md-typeset .admonition.abstract > summary, .md-typeset details.abstract > summary {\n border-bottom-color: rgba(0, 176, 255, 0.1);\n background-color: rgba(0, 176, 255, 0.1); }\n .md-typeset .admonition.summary > .admonition-title::before, .md-typeset details.summary > .admonition-title::before, .md-typeset .admonition.tldr > .admonition-title::before, .md-typeset details.tldr > .admonition-title::before, .md-typeset .admonition.summary > summary::before, .md-typeset details.summary > summary::before, .md-typeset .admonition.tldr > summary::before, .md-typeset details.tldr > summary::before, .md-typeset .admonition.abstract > .admonition-title::before, .md-typeset details.abstract > .admonition-title::before, .md-typeset .admonition.abstract > summary::before, .md-typeset details.abstract > summary::before {\n color: #00b0ff;\n content: \"\"; }\n .md-typeset .admonition.todo, .md-typeset details.todo, .md-typeset .admonition.info, .md-typeset details.info {\n border-left-color: #00b8d4; }\n [dir=\"rtl\"] .md-typeset .admonition.todo, [dir=\"rtl\"] .md-typeset details.todo, [dir=\"rtl\"] .md-typeset .admonition.info, [dir=\"rtl\"] .md-typeset details.info {\n border-right-color: #00b8d4; }\n .md-typeset .admonition.todo > .admonition-title, .md-typeset details.todo > .admonition-title, .md-typeset .admonition.todo > summary, .md-typeset details.todo > summary, .md-typeset .admonition.info > .admonition-title, .md-typeset details.info > .admonition-title, .md-typeset .admonition.info > summary, .md-typeset details.info > summary {\n border-bottom-color: rgba(0, 184, 212, 0.1);\n background-color: rgba(0, 184, 212, 0.1); }\n .md-typeset .admonition.todo > .admonition-title::before, .md-typeset details.todo > .admonition-title::before, .md-typeset .admonition.todo > summary::before, .md-typeset details.todo > summary::before, .md-typeset .admonition.info > .admonition-title::before, .md-typeset details.info > .admonition-title::before, .md-typeset .admonition.info > summary::before, .md-typeset details.info > summary::before {\n color: #00b8d4;\n content: \"\"; }\n .md-typeset .admonition.hint, .md-typeset details.hint, .md-typeset .admonition.important, .md-typeset details.important, .md-typeset .admonition.tip, .md-typeset details.tip {\n border-left-color: #00bfa5; }\n [dir=\"rtl\"] .md-typeset .admonition.hint, [dir=\"rtl\"] .md-typeset details.hint, [dir=\"rtl\"] .md-typeset .admonition.important, [dir=\"rtl\"] .md-typeset details.important, [dir=\"rtl\"] .md-typeset .admonition.tip, [dir=\"rtl\"] .md-typeset details.tip {\n border-right-color: #00bfa5; }\n .md-typeset .admonition.hint > .admonition-title, .md-typeset details.hint > .admonition-title, .md-typeset .admonition.important > .admonition-title, .md-typeset details.important > .admonition-title, .md-typeset .admonition.hint > summary, .md-typeset details.hint > summary, .md-typeset .admonition.important > summary, .md-typeset details.important > summary, .md-typeset .admonition.tip > .admonition-title, .md-typeset details.tip > .admonition-title, .md-typeset .admonition.tip > summary, .md-typeset details.tip > summary {\n border-bottom-color: rgba(0, 191, 165, 0.1);\n background-color: rgba(0, 191, 165, 0.1); }\n .md-typeset .admonition.hint > .admonition-title::before, .md-typeset details.hint > .admonition-title::before, .md-typeset .admonition.important > .admonition-title::before, .md-typeset details.important > .admonition-title::before, .md-typeset .admonition.hint > summary::before, .md-typeset details.hint > summary::before, .md-typeset .admonition.important > summary::before, .md-typeset details.important > summary::before, .md-typeset .admonition.tip > .admonition-title::before, .md-typeset details.tip > .admonition-title::before, .md-typeset .admonition.tip > summary::before, .md-typeset details.tip > summary::before {\n color: #00bfa5;\n content: \"\"; }\n .md-typeset .admonition.check, .md-typeset details.check, .md-typeset .admonition.done, .md-typeset details.done, .md-typeset .admonition.success, .md-typeset details.success {\n border-left-color: #00c853; }\n [dir=\"rtl\"] .md-typeset .admonition.check, [dir=\"rtl\"] .md-typeset details.check, [dir=\"rtl\"] .md-typeset .admonition.done, [dir=\"rtl\"] .md-typeset details.done, [dir=\"rtl\"] .md-typeset .admonition.success, [dir=\"rtl\"] .md-typeset details.success {\n border-right-color: #00c853; }\n .md-typeset .admonition.check > .admonition-title, .md-typeset details.check > .admonition-title, .md-typeset .admonition.done > .admonition-title, .md-typeset details.done > .admonition-title, .md-typeset .admonition.check > summary, .md-typeset details.check > summary, .md-typeset .admonition.done > summary, .md-typeset details.done > summary, .md-typeset .admonition.success > .admonition-title, .md-typeset details.success > .admonition-title, .md-typeset .admonition.success > summary, .md-typeset details.success > summary {\n border-bottom-color: rgba(0, 200, 83, 0.1);\n background-color: rgba(0, 200, 83, 0.1); }\n .md-typeset .admonition.check > .admonition-title::before, .md-typeset details.check > .admonition-title::before, .md-typeset .admonition.done > .admonition-title::before, .md-typeset details.done > .admonition-title::before, .md-typeset .admonition.check > summary::before, .md-typeset details.check > summary::before, .md-typeset .admonition.done > summary::before, .md-typeset details.done > summary::before, .md-typeset .admonition.success > .admonition-title::before, .md-typeset details.success > .admonition-title::before, .md-typeset .admonition.success > summary::before, .md-typeset details.success > summary::before {\n color: #00c853;\n content: \"\"; }\n .md-typeset .admonition.help, .md-typeset details.help, .md-typeset .admonition.faq, .md-typeset details.faq, .md-typeset .admonition.question, .md-typeset details.question {\n border-left-color: #64dd17; }\n [dir=\"rtl\"] .md-typeset .admonition.help, [dir=\"rtl\"] .md-typeset details.help, [dir=\"rtl\"] .md-typeset .admonition.faq, [dir=\"rtl\"] .md-typeset details.faq, [dir=\"rtl\"] .md-typeset .admonition.question, [dir=\"rtl\"] .md-typeset details.question {\n border-right-color: #64dd17; }\n .md-typeset .admonition.help > .admonition-title, .md-typeset details.help > .admonition-title, .md-typeset .admonition.faq > .admonition-title, .md-typeset details.faq > .admonition-title, .md-typeset .admonition.help > summary, .md-typeset details.help > summary, .md-typeset .admonition.faq > summary, .md-typeset details.faq > summary, .md-typeset .admonition.question > .admonition-title, .md-typeset details.question > .admonition-title, .md-typeset .admonition.question > summary, .md-typeset details.question > summary {\n border-bottom-color: rgba(100, 221, 23, 0.1);\n background-color: rgba(100, 221, 23, 0.1); }\n .md-typeset .admonition.help > .admonition-title::before, .md-typeset details.help > .admonition-title::before, .md-typeset .admonition.faq > .admonition-title::before, .md-typeset details.faq > .admonition-title::before, .md-typeset .admonition.help > summary::before, .md-typeset details.help > summary::before, .md-typeset .admonition.faq > summary::before, .md-typeset details.faq > summary::before, .md-typeset .admonition.question > .admonition-title::before, .md-typeset details.question > .admonition-title::before, .md-typeset .admonition.question > summary::before, .md-typeset details.question > summary::before {\n color: #64dd17;\n content: \"\"; }\n .md-typeset .admonition.caution, .md-typeset details.caution, .md-typeset .admonition.attention, .md-typeset details.attention, .md-typeset .admonition.warning, .md-typeset details.warning {\n border-left-color: #ff9100; }\n [dir=\"rtl\"] .md-typeset .admonition.caution, [dir=\"rtl\"] .md-typeset details.caution, [dir=\"rtl\"] .md-typeset .admonition.attention, [dir=\"rtl\"] .md-typeset details.attention, [dir=\"rtl\"] .md-typeset .admonition.warning, [dir=\"rtl\"] .md-typeset details.warning {\n border-right-color: #ff9100; }\n .md-typeset .admonition.caution > .admonition-title, .md-typeset details.caution > .admonition-title, .md-typeset .admonition.attention > .admonition-title, .md-typeset details.attention > .admonition-title, .md-typeset .admonition.caution > summary, .md-typeset details.caution > summary, .md-typeset .admonition.attention > summary, .md-typeset details.attention > summary, .md-typeset .admonition.warning > .admonition-title, .md-typeset details.warning > .admonition-title, .md-typeset .admonition.warning > summary, .md-typeset details.warning > summary {\n border-bottom-color: rgba(255, 145, 0, 0.1);\n background-color: rgba(255, 145, 0, 0.1); }\n .md-typeset .admonition.caution > .admonition-title::before, .md-typeset details.caution > .admonition-title::before, .md-typeset .admonition.attention > .admonition-title::before, .md-typeset details.attention > .admonition-title::before, .md-typeset .admonition.caution > summary::before, .md-typeset details.caution > summary::before, .md-typeset .admonition.attention > summary::before, .md-typeset details.attention > summary::before, .md-typeset .admonition.warning > .admonition-title::before, .md-typeset details.warning > .admonition-title::before, .md-typeset .admonition.warning > summary::before, .md-typeset details.warning > summary::before {\n color: #ff9100;\n content: \"\"; }\n .md-typeset .admonition.fail, .md-typeset details.fail, .md-typeset .admonition.missing, .md-typeset details.missing, .md-typeset .admonition.failure, .md-typeset details.failure {\n border-left-color: #ff5252; }\n [dir=\"rtl\"] .md-typeset .admonition.fail, [dir=\"rtl\"] .md-typeset details.fail, [dir=\"rtl\"] .md-typeset .admonition.missing, [dir=\"rtl\"] .md-typeset details.missing, [dir=\"rtl\"] .md-typeset .admonition.failure, [dir=\"rtl\"] .md-typeset details.failure {\n border-right-color: #ff5252; }\n .md-typeset .admonition.fail > .admonition-title, .md-typeset details.fail > .admonition-title, .md-typeset .admonition.missing > .admonition-title, .md-typeset details.missing > .admonition-title, .md-typeset .admonition.fail > summary, .md-typeset details.fail > summary, .md-typeset .admonition.missing > summary, .md-typeset details.missing > summary, .md-typeset .admonition.failure > .admonition-title, .md-typeset details.failure > .admonition-title, .md-typeset .admonition.failure > summary, .md-typeset details.failure > summary {\n border-bottom-color: rgba(255, 82, 82, 0.1);\n background-color: rgba(255, 82, 82, 0.1); }\n .md-typeset .admonition.fail > .admonition-title::before, .md-typeset details.fail > .admonition-title::before, .md-typeset .admonition.missing > .admonition-title::before, .md-typeset details.missing > .admonition-title::before, .md-typeset .admonition.fail > summary::before, .md-typeset details.fail > summary::before, .md-typeset .admonition.missing > summary::before, .md-typeset details.missing > summary::before, .md-typeset .admonition.failure > .admonition-title::before, .md-typeset details.failure > .admonition-title::before, .md-typeset .admonition.failure > summary::before, .md-typeset details.failure > summary::before {\n color: #ff5252;\n content: \"\"; }\n .md-typeset .admonition.error, .md-typeset details.error, .md-typeset .admonition.danger, .md-typeset details.danger {\n border-left-color: #ff1744; }\n [dir=\"rtl\"] .md-typeset .admonition.error, [dir=\"rtl\"] .md-typeset details.error, [dir=\"rtl\"] .md-typeset .admonition.danger, [dir=\"rtl\"] .md-typeset details.danger {\n border-right-color: #ff1744; }\n .md-typeset .admonition.error > .admonition-title, .md-typeset details.error > .admonition-title, .md-typeset .admonition.error > summary, .md-typeset details.error > summary, .md-typeset .admonition.danger > .admonition-title, .md-typeset details.danger > .admonition-title, .md-typeset .admonition.danger > summary, .md-typeset details.danger > summary {\n border-bottom-color: rgba(255, 23, 68, 0.1);\n background-color: rgba(255, 23, 68, 0.1); }\n .md-typeset .admonition.error > .admonition-title::before, .md-typeset details.error > .admonition-title::before, .md-typeset .admonition.error > summary::before, .md-typeset details.error > summary::before, .md-typeset .admonition.danger > .admonition-title::before, .md-typeset details.danger > .admonition-title::before, .md-typeset .admonition.danger > summary::before, .md-typeset details.danger > summary::before {\n color: #ff1744;\n content: \"\"; }\n .md-typeset .admonition.bug, .md-typeset details.bug {\n border-left-color: #f50057; }\n [dir=\"rtl\"] .md-typeset .admonition.bug, [dir=\"rtl\"] .md-typeset details.bug {\n border-right-color: #f50057; }\n .md-typeset .admonition.bug > .admonition-title, .md-typeset details.bug > .admonition-title, .md-typeset .admonition.bug > summary, .md-typeset details.bug > summary {\n border-bottom-color: rgba(245, 0, 87, 0.1);\n background-color: rgba(245, 0, 87, 0.1); }\n .md-typeset .admonition.bug > .admonition-title::before, .md-typeset details.bug > .admonition-title::before, .md-typeset .admonition.bug > summary::before, .md-typeset details.bug > summary::before {\n color: #f50057;\n content: \"\"; }\n .md-typeset .admonition.example, .md-typeset details.example {\n border-left-color: #651fff; }\n [dir=\"rtl\"] .md-typeset .admonition.example, [dir=\"rtl\"] .md-typeset details.example {\n border-right-color: #651fff; }\n .md-typeset .admonition.example > .admonition-title, .md-typeset details.example > .admonition-title, .md-typeset .admonition.example > summary, .md-typeset details.example > summary {\n border-bottom-color: rgba(101, 31, 255, 0.1);\n background-color: rgba(101, 31, 255, 0.1); }\n .md-typeset .admonition.example > .admonition-title::before, .md-typeset details.example > .admonition-title::before, .md-typeset .admonition.example > summary::before, .md-typeset details.example > summary::before {\n color: #651fff;\n content: \"\"; }\n .md-typeset .admonition.cite, .md-typeset details.cite, .md-typeset .admonition.quote, .md-typeset details.quote {\n border-left-color: #9e9e9e; }\n [dir=\"rtl\"] .md-typeset .admonition.cite, [dir=\"rtl\"] .md-typeset details.cite, [dir=\"rtl\"] .md-typeset .admonition.quote, [dir=\"rtl\"] .md-typeset details.quote {\n border-right-color: #9e9e9e; }\n .md-typeset .admonition.cite > .admonition-title, .md-typeset details.cite > .admonition-title, .md-typeset .admonition.cite > summary, .md-typeset details.cite > summary, .md-typeset .admonition.quote > .admonition-title, .md-typeset details.quote > .admonition-title, .md-typeset .admonition.quote > summary, .md-typeset details.quote > summary {\n border-bottom-color: rgba(158, 158, 158, 0.1);\n background-color: rgba(158, 158, 158, 0.1); }\n .md-typeset .admonition.cite > .admonition-title::before, .md-typeset details.cite > .admonition-title::before, .md-typeset .admonition.cite > summary::before, .md-typeset details.cite > summary::before, .md-typeset .admonition.quote > .admonition-title::before, .md-typeset details.quote > .admonition-title::before, .md-typeset .admonition.quote > summary::before, .md-typeset details.quote > summary::before {\n color: #9e9e9e;\n content: \"\"; }\n\n.codehilite .o, .md-typeset .highlight .o {\n color: inherit; }\n\n.codehilite .ow, .md-typeset .highlight .ow {\n color: inherit; }\n\n.codehilite .ge, .md-typeset .highlight .ge {\n color: #000000; }\n\n.codehilite .gr, .md-typeset .highlight .gr {\n color: #AA0000; }\n\n.codehilite .gh, .md-typeset .highlight .gh {\n color: #999999; }\n\n.codehilite .go, .md-typeset .highlight .go {\n color: #888888; }\n\n.codehilite .gp, .md-typeset .highlight .gp {\n color: #555555; }\n\n.codehilite .gs, .md-typeset .highlight .gs {\n color: inherit; }\n\n.codehilite .gu, .md-typeset .highlight .gu {\n color: #AAAAAA; }\n\n.codehilite .gt, .md-typeset .highlight .gt {\n color: #AA0000; }\n\n.codehilite .gd, .md-typeset .highlight .gd {\n background-color: #FFDDDD; }\n\n.codehilite .gi, .md-typeset .highlight .gi {\n background-color: #DDFFDD; }\n\n.codehilite .k, .md-typeset .highlight .k {\n color: #3B78E7; }\n\n.codehilite .kc, .md-typeset .highlight .kc {\n color: #A71D5D; }\n\n.codehilite .kd, .md-typeset .highlight .kd {\n color: #3B78E7; }\n\n.codehilite .kn, .md-typeset .highlight .kn {\n color: #3B78E7; }\n\n.codehilite .kp, .md-typeset .highlight .kp {\n color: #A71D5D; }\n\n.codehilite .kr, .md-typeset .highlight .kr {\n color: #3E61A2; }\n\n.codehilite .kt, .md-typeset .highlight .kt {\n color: #3E61A2; }\n\n.codehilite .c, .md-typeset .highlight .c {\n color: #999999; }\n\n.codehilite .cm, .md-typeset .highlight .cm {\n color: #999999; }\n\n.codehilite .cp, .md-typeset .highlight .cp {\n color: #666666; }\n\n.codehilite .c1, .md-typeset .highlight .c1 {\n color: #999999; }\n\n.codehilite .ch, .md-typeset .highlight .ch {\n color: #999999; }\n\n.codehilite .cs, .md-typeset .highlight .cs {\n color: #999999; }\n\n.codehilite .na, .md-typeset .highlight .na {\n color: #C2185B; }\n\n.codehilite .nb, .md-typeset .highlight .nb {\n color: #C2185B; }\n\n.codehilite .bp, .md-typeset .highlight .bp {\n color: #3E61A2; }\n\n.codehilite .nc, .md-typeset .highlight .nc {\n color: #C2185B; }\n\n.codehilite .no, .md-typeset .highlight .no {\n color: #3E61A2; }\n\n.codehilite .nd, .md-typeset .highlight .nd {\n color: #666666; }\n\n.codehilite .ni, .md-typeset .highlight .ni {\n color: #666666; }\n\n.codehilite .ne, .md-typeset .highlight .ne {\n color: #C2185B; }\n\n.codehilite .nf, .md-typeset .highlight .nf {\n color: #C2185B; }\n\n.codehilite .nl, .md-typeset .highlight .nl {\n color: #3B5179; }\n\n.codehilite .nn, .md-typeset .highlight .nn {\n color: #EC407A; }\n\n.codehilite .nt, .md-typeset .highlight .nt {\n color: #3B78E7; }\n\n.codehilite .nv, .md-typeset .highlight .nv {\n color: #3E61A2; }\n\n.codehilite .vc, .md-typeset .highlight .vc {\n color: #3E61A2; }\n\n.codehilite .vg, .md-typeset .highlight .vg {\n color: #3E61A2; }\n\n.codehilite .vi, .md-typeset .highlight .vi {\n color: #3E61A2; }\n\n.codehilite .nx, .md-typeset .highlight .nx {\n color: #EC407A; }\n\n.codehilite .m, .md-typeset .highlight .m {\n color: #E74C3C; }\n\n.codehilite .mf, .md-typeset .highlight .mf {\n color: #E74C3C; }\n\n.codehilite .mh, .md-typeset .highlight .mh {\n color: #E74C3C; }\n\n.codehilite .mi, .md-typeset .highlight .mi {\n color: #E74C3C; }\n\n.codehilite .il, .md-typeset .highlight .il {\n color: #E74C3C; }\n\n.codehilite .mo, .md-typeset .highlight .mo {\n color: #E74C3C; }\n\n.codehilite .s, .md-typeset .highlight .s {\n color: #0D904F; }\n\n.codehilite .sb, .md-typeset .highlight .sb {\n color: #0D904F; }\n\n.codehilite .sc, .md-typeset .highlight .sc {\n color: #0D904F; }\n\n.codehilite .sd, .md-typeset .highlight .sd {\n color: #999999; }\n\n.codehilite .s2, .md-typeset .highlight .s2 {\n color: #0D904F; }\n\n.codehilite .se, .md-typeset .highlight .se {\n color: #183691; }\n\n.codehilite .sh, .md-typeset .highlight .sh {\n color: #183691; }\n\n.codehilite .si, .md-typeset .highlight .si {\n color: #183691; }\n\n.codehilite .sx, .md-typeset .highlight .sx {\n color: #183691; }\n\n.codehilite .sr, .md-typeset .highlight .sr {\n color: #009926; }\n\n.codehilite .s1, .md-typeset .highlight .s1 {\n color: #0D904F; }\n\n.codehilite .ss, .md-typeset .highlight .ss {\n color: #0D904F; }\n\n.codehilite .err, .md-typeset .highlight .err {\n color: #A61717; }\n\n.codehilite .w, .md-typeset .highlight .w {\n color: transparent; }\n\n.codehilite .hll, .md-typeset .highlight .hll {\n display: block;\n margin: 0 -0.6rem;\n padding: 0 0.6rem;\n background-color: rgba(255, 235, 59, 0.5); }\n\n.md-typeset .codehilite, .md-typeset .highlight {\n position: relative;\n margin: 1em 0;\n padding: 0;\n border-radius: 0.1rem;\n background-color: rgba(236, 236, 236, 0.5);\n color: #37474F;\n line-height: 1.4;\n -webkit-overflow-scrolling: touch; }\n .md-typeset .codehilite pre, .md-typeset .highlight pre,\n .md-typeset .codehilite code,\n .md-typeset .highlight code {\n display: block;\n margin: 0;\n padding: 0.525rem 0.6rem;\n background-color: transparent;\n overflow: auto; }\n .md-typeset .codehilite pre::-webkit-scrollbar, .md-typeset .highlight pre::-webkit-scrollbar,\n .md-typeset .codehilite code::-webkit-scrollbar,\n .md-typeset .highlight code::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-typeset .codehilite pre::-webkit-scrollbar-thumb, .md-typeset .highlight pre::-webkit-scrollbar-thumb,\n .md-typeset .codehilite code::-webkit-scrollbar-thumb,\n .md-typeset .highlight code::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-typeset .codehilite pre::-webkit-scrollbar-thumb:hover, .md-typeset .highlight pre::-webkit-scrollbar-thumb:hover,\n .md-typeset .codehilite code::-webkit-scrollbar-thumb:hover,\n .md-typeset .highlight code::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n\n.md-typeset pre.codehilite, .md-typeset pre.highlight {\n overflow: visible; }\n .md-typeset pre.codehilite code, .md-typeset pre.highlight code {\n display: block;\n padding: 0.525rem 0.6rem;\n overflow: auto; }\n\n.md-typeset .codehilitetable, .md-typeset .highlighttable {\n display: block;\n margin: 1em 0;\n border-radius: 0.2em;\n font-size: 0.8rem;\n overflow: hidden; }\n .md-typeset .codehilitetable tbody, .md-typeset .highlighttable tbody,\n .md-typeset .codehilitetable td,\n .md-typeset .highlighttable td {\n display: block;\n padding: 0; }\n .md-typeset .codehilitetable tr, .md-typeset .highlighttable tr {\n display: -webkit-box;\n display: flex; }\n .md-typeset .codehilitetable .codehilite, .md-typeset .highlighttable .codehilite, .md-typeset .codehilitetable .highlight, .md-typeset .highlighttable .highlight,\n .md-typeset .codehilitetable .linenodiv,\n .md-typeset .highlighttable .linenodiv {\n margin: 0;\n border-radius: 0; }\n \n .md-typeset .codehilitetable .linenodiv,\n .md-typeset .highlighttable .linenodiv {\n padding: 0.525rem 0.6rem; }\n .md-typeset .codehilitetable .linenos, .md-typeset .highlighttable .linenos {\n background-color: rgba(0, 0, 0, 0.07);\n color: rgba(0, 0, 0, 0.26);\n -webkit-user-select: none;\n -moz-user-select: none;\n -ms-user-select: none;\n user-select: none; }\n .md-typeset .codehilitetable .linenos pre, .md-typeset .highlighttable .linenos pre {\n margin: 0;\n padding: 0;\n background-color: transparent;\n color: inherit;\n text-align: right; }\n .md-typeset .codehilitetable .code, .md-typeset .highlighttable .code {\n -webkit-box-flex: 1;\n flex: 1;\n overflow: hidden; }\n\n.md-typeset > .codehilitetable, .md-typeset > .highlighttable {\n box-shadow: none; }\n\n.md-typeset [id^=\"fnref:\"] {\n display: inline-block; }\n .md-typeset [id^=\"fnref:\"]:target {\n margin-top: -3.8rem;\n padding-top: 3.8rem;\n pointer-events: none; }\n\n.md-typeset [id^=\"fn:\"]::before {\n display: none;\n height: 0;\n content: \"\"; }\n\n.md-typeset [id^=\"fn:\"]:target::before {\n display: block;\n margin-top: -3.5rem;\n padding-top: 3.5rem;\n pointer-events: none; }\n\n.md-typeset .footnote {\n color: rgba(0, 0, 0, 0.54);\n font-size: 0.64rem; }\n .md-typeset .footnote ol {\n margin-left: 0; }\n .md-typeset .footnote li {\n -webkit-transition: color 0.25s;\n transition: color 0.25s; }\n .md-typeset .footnote li:target {\n color: rgba(0, 0, 0, 0.87); }\n .md-typeset .footnote li :first-child {\n margin-top: 0; }\n .md-typeset .footnote li:hover .footnote-backref,\n .md-typeset .footnote li:target .footnote-backref {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n opacity: 1; }\n .md-typeset .footnote li:hover .footnote-backref:hover,\n .md-typeset .footnote li:target .footnote-backref {\n color: #536dfe; }\n\n.md-typeset .footnote-ref {\n display: inline-block;\n pointer-events: initial; }\n .md-typeset .footnote-ref::before {\n display: inline;\n margin: 0 0.2em;\n border-left: 0.05rem solid rgba(0, 0, 0, 0.26);\n font-size: 1.25em;\n content: \"\";\n vertical-align: -0.25rem; }\n\n.md-typeset .footnote-backref {\n display: inline-block;\n -webkit-transform: translateX(0.25rem);\n transform: translateX(0.25rem);\n -webkit-transition: color 0.25s, opacity 0.125s 0.125s, -webkit-transform 0.25s 0.125s;\n transition: color 0.25s, opacity 0.125s 0.125s, -webkit-transform 0.25s 0.125s;\n transition: transform 0.25s 0.125s, color 0.25s, opacity 0.125s 0.125s;\n transition: transform 0.25s 0.125s, color 0.25s, opacity 0.125s 0.125s, -webkit-transform 0.25s 0.125s;\n color: rgba(0, 0, 0, 0.26);\n font-size: 0;\n opacity: 0;\n vertical-align: text-bottom; }\n [dir=\"rtl\"] .md-typeset .footnote-backref {\n -webkit-transform: translateX(-0.25rem);\n transform: translateX(-0.25rem); }\n .md-typeset .footnote-backref::before {\n display: inline-block;\n font-size: 0.8rem;\n content: \"\\E31B\"; }\n [dir=\"rtl\"] .md-typeset .footnote-backref::before {\n -webkit-transform: scaleX(-1);\n transform: scaleX(-1); }\n\n.md-typeset .headerlink {\n display: inline-block;\n margin-left: 0.5rem;\n -webkit-transform: translate(0, 0.25rem);\n transform: translate(0, 0.25rem);\n -webkit-transition: color 0.25s, opacity 0.125s 0.25s, -webkit-transform 0.25s 0.25s;\n transition: color 0.25s, opacity 0.125s 0.25s, -webkit-transform 0.25s 0.25s;\n transition: transform 0.25s 0.25s, color 0.25s, opacity 0.125s 0.25s;\n transition: transform 0.25s 0.25s, color 0.25s, opacity 0.125s 0.25s, -webkit-transform 0.25s 0.25s;\n opacity: 0; }\n [dir=\"rtl\"] .md-typeset .headerlink {\n margin-right: 0.5rem;\n margin-left: initial; }\n html body .md-typeset .headerlink {\n color: rgba(0, 0, 0, 0.26); }\n\n.md-typeset h1[id]::before {\n display: block;\n margin-top: -8px;\n padding-top: 8px;\n content: \"\"; }\n\n.md-typeset h1[id]:target::before {\n margin-top: -3.4rem;\n padding-top: 3.4rem; }\n\n.md-typeset h1[id]:hover .headerlink,\n.md-typeset h1[id]:target .headerlink,\n.md-typeset h1[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h1[id]:hover .headerlink:hover,\n.md-typeset h1[id]:target .headerlink,\n.md-typeset h1[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h2[id]::before {\n display: block;\n margin-top: -8px;\n padding-top: 8px;\n content: \"\"; }\n\n.md-typeset h2[id]:target::before {\n margin-top: -3.4rem;\n padding-top: 3.4rem; }\n\n.md-typeset h2[id]:hover .headerlink,\n.md-typeset h2[id]:target .headerlink,\n.md-typeset h2[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h2[id]:hover .headerlink:hover,\n.md-typeset h2[id]:target .headerlink,\n.md-typeset h2[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h3[id]::before {\n display: block;\n margin-top: -8px;\n padding-top: 8px;\n content: \"\"; }\n\n.md-typeset h3[id]:target::before {\n margin-top: -3.4rem;\n padding-top: 3.4rem; }\n\n.md-typeset h3[id]:hover .headerlink,\n.md-typeset h3[id]:target .headerlink,\n.md-typeset h3[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h3[id]:hover .headerlink:hover,\n.md-typeset h3[id]:target .headerlink,\n.md-typeset h3[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h4[id]::before {\n display: block;\n margin-top: -9px;\n padding-top: 9px;\n content: \"\"; }\n\n.md-typeset h4[id]:target::before {\n margin-top: -3.45rem;\n padding-top: 3.45rem; }\n\n.md-typeset h4[id]:hover .headerlink,\n.md-typeset h4[id]:target .headerlink,\n.md-typeset h4[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h4[id]:hover .headerlink:hover,\n.md-typeset h4[id]:target .headerlink,\n.md-typeset h4[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h5[id]::before {\n display: block;\n margin-top: -11px;\n padding-top: 11px;\n content: \"\"; }\n\n.md-typeset h5[id]:target::before {\n margin-top: -3.55rem;\n padding-top: 3.55rem; }\n\n.md-typeset h5[id]:hover .headerlink,\n.md-typeset h5[id]:target .headerlink,\n.md-typeset h5[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h5[id]:hover .headerlink:hover,\n.md-typeset h5[id]:target .headerlink,\n.md-typeset h5[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset h6[id]::before {\n display: block;\n margin-top: -11px;\n padding-top: 11px;\n content: \"\"; }\n\n.md-typeset h6[id]:target::before {\n margin-top: -3.55rem;\n padding-top: 3.55rem; }\n\n.md-typeset h6[id]:hover .headerlink,\n.md-typeset h6[id]:target .headerlink,\n.md-typeset h6[id] .headerlink:focus {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n opacity: 1; }\n\n.md-typeset h6[id]:hover .headerlink:hover,\n.md-typeset h6[id]:target .headerlink,\n.md-typeset h6[id] .headerlink:focus {\n color: #536dfe; }\n\n.md-typeset .MJXc-display {\n margin: 0.75em 0;\n padding: 0.75em 0;\n overflow: auto;\n -webkit-overflow-scrolling: touch; }\n\n.md-typeset .MathJax_CHTML {\n outline: 0; }\n\n.md-typeset del.critic,\n.md-typeset ins.critic,\n.md-typeset .critic.comment {\n margin: 0 0.25em;\n padding: 0.0625em 0;\n border-radius: 0.1rem;\n -webkit-box-decoration-break: clone;\n box-decoration-break: clone; }\n\n.md-typeset del.critic {\n background-color: #FFDDDD;\n box-shadow: 0.25em 0 0 #FFDDDD, -0.25em 0 0 #FFDDDD; }\n\n.md-typeset ins.critic {\n background-color: #DDFFDD;\n box-shadow: 0.25em 0 0 #DDFFDD, -0.25em 0 0 #DDFFDD; }\n\n.md-typeset .critic.comment {\n background-color: rgba(236, 236, 236, 0.5);\n color: #37474F;\n box-shadow: 0.25em 0 0 rgba(236, 236, 236, 0.5), -0.25em 0 0 rgba(236, 236, 236, 0.5); }\n .md-typeset .critic.comment::before {\n padding-right: 0.125em;\n color: rgba(0, 0, 0, 0.26);\n content: \"\\E0B7\";\n vertical-align: -0.125em; }\n\n.md-typeset .critic.block {\n display: block;\n margin: 1em 0;\n padding-right: 0.8rem;\n padding-left: 0.8rem;\n box-shadow: none; }\n .md-typeset .critic.block :first-child {\n margin-top: 0.5em; }\n .md-typeset .critic.block :last-child {\n margin-bottom: 0.5em; }\n\n.md-typeset details {\n display: block;\n padding-top: 0; }\n .md-typeset details[open] > summary::after {\n -webkit-transform: rotate(180deg);\n transform: rotate(180deg); }\n .md-typeset details:not([open]) {\n padding-bottom: 0; }\n .md-typeset details:not([open]) > summary {\n border-bottom: none; }\n .md-typeset details summary {\n position: relative;\n padding-right: 2rem; }\n [dir=\"rtl\"] .md-typeset details summary {\n padding-left: 2rem; }\n .no-details .md-typeset details:not([open]) > * {\n display: none; }\n .no-details .md-typeset details:not([open]) summary {\n display: block; }\n\n.md-typeset summary {\n display: block;\n outline: none;\n cursor: pointer; }\n .md-typeset summary::-webkit-details-marker {\n display: none; }\n .md-typeset summary::after {\n position: absolute;\n top: 0.4rem;\n right: 0.6rem;\n color: rgba(0, 0, 0, 0.26);\n font-size: 1rem;\n content: \"\\E313\"; }\n [dir=\"rtl\"] .md-typeset summary::after {\n right: initial;\n left: 0.6rem; }\n\n.md-typeset .emojione,\n.md-typeset .twemoji,\n.md-typeset .gemoji {\n width: 1rem;\n vertical-align: text-top; }\n\n.md-typeset code.codehilite, .md-typeset code.highlight {\n margin: 0 0.29412em;\n padding: 0.07353em 0; }\n\n.md-typeset .superfences-content {\n display: none;\n -webkit-box-ordinal-group: 100;\n order: 99;\n width: 100%;\n background-color: white; }\n .md-typeset .superfences-content > * {\n margin: 0;\n border-radius: 0; }\n\n.md-typeset .superfences-tabs {\n display: -webkit-box;\n display: flex;\n position: relative;\n flex-wrap: wrap;\n margin: 1em 0;\n border: 0.05rem solid rgba(0, 0, 0, 0.07);\n border-radius: 0.2em; }\n .md-typeset .superfences-tabs > input {\n display: none; }\n .md-typeset .superfences-tabs > input:checked + label {\n font-weight: 700; }\n .md-typeset .superfences-tabs > input:checked + label + .superfences-content {\n display: block; }\n .md-typeset .superfences-tabs > label {\n width: auto;\n padding: 0.6rem;\n -webkit-transition: color 0.125s;\n transition: color 0.125s;\n font-size: 0.64rem;\n cursor: pointer; }\n html .md-typeset .superfences-tabs > label:hover {\n color: #536dfe; }\n\n.md-typeset .task-list-item {\n position: relative;\n list-style-type: none; }\n .md-typeset .task-list-item [type=\"checkbox\"] {\n position: absolute;\n top: 0.45em;\n left: -2em; }\n [dir=\"rtl\"] .md-typeset .task-list-item [type=\"checkbox\"] {\n right: -2em;\n left: initial; }\n\n.md-typeset .task-list-control .task-list-indicator::before {\n position: absolute;\n top: 0.15em;\n left: -1.25em;\n color: rgba(0, 0, 0, 0.26);\n font-size: 1.25em;\n content: \"\\E835\";\n vertical-align: -0.25em; }\n [dir=\"rtl\"] .md-typeset .task-list-control .task-list-indicator::before {\n right: -1.25em;\n left: initial; }\n\n.md-typeset .task-list-control [type=\"checkbox\"]:checked + .task-list-indicator::before {\n content: \"\\E834\"; }\n\n.md-typeset .task-list-control [type=\"checkbox\"] {\n opacity: 0;\n z-index: -1; }\n\n@media print {\n .md-typeset a::after {\n color: rgba(0, 0, 0, 0.54);\n content: \" [\" attr(href) \"]\"; }\n .md-typeset code,\n .md-typeset pre {\n white-space: pre-wrap; }\n .md-typeset code {\n box-shadow: none;\n -webkit-box-decoration-break: initial;\n box-decoration-break: initial; }\n .md-clipboard {\n display: none; }\n .md-content__icon {\n display: none; }\n .md-header {\n display: none; }\n .md-footer {\n display: none; }\n .md-sidebar {\n display: none; }\n .md-tabs {\n display: none; }\n .md-typeset .headerlink {\n display: none; } }\n\n@media only screen and (max-width: 44.9375em) {\n .md-typeset pre {\n margin: 1em -0.8rem;\n border-radius: 0; }\n .md-typeset pre > code {\n padding: 0.525rem 0.8rem; }\n .md-footer-nav__link--prev .md-footer-nav__title {\n display: none; }\n .md-search-result__teaser {\n max-height: 2.5rem;\n -webkit-line-clamp: 3; }\n .codehilite .hll, .md-typeset .highlight .hll {\n margin: 0 -0.8rem;\n padding: 0 0.8rem; }\n .md-typeset > .codehilite, .md-typeset > .highlight {\n margin: 1em -0.8rem;\n border-radius: 0; }\n .md-typeset > .codehilite pre, .md-typeset > .highlight pre,\n .md-typeset > .codehilite code,\n .md-typeset > .highlight code {\n padding: 0.525rem 0.8rem; }\n .md-typeset > .codehilitetable, .md-typeset > .highlighttable {\n margin: 1em -0.8rem;\n border-radius: 0; }\n .md-typeset > .codehilitetable .codehilite > pre, .md-typeset > .highlighttable .codehilite > pre, .md-typeset > .codehilitetable .highlight > pre, .md-typeset > .highlighttable .highlight > pre,\n .md-typeset > .codehilitetable .codehilite > code,\n .md-typeset > .highlighttable .codehilite > code,\n .md-typeset > .codehilitetable .highlight > code,\n .md-typeset > .highlighttable .highlight > code,\n .md-typeset > .codehilitetable .linenodiv,\n .md-typeset > .highlighttable .linenodiv {\n padding: 0.5rem 0.8rem; }\n .md-typeset > p > .MJXc-display {\n margin: 0.75em -0.8rem;\n padding: 0.25em 0.8rem; }\n .md-typeset > .superfences-tabs {\n margin: 1em -0.8rem;\n border: 0;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07);\n border-radius: 0; }\n .md-typeset > .superfences-tabs pre,\n .md-typeset > .superfences-tabs code {\n padding: 0.525rem 0.8rem; } }\n\n@media only screen and (min-width: 100em) {\n html {\n font-size: 137.50%; } }\n\n@media only screen and (min-width: 125em) {\n html {\n font-size: 150%; } }\n\n@media only screen and (max-width: 59.9375em) {\n body[data-md-state=\"lock\"] {\n overflow: hidden; }\n .ios body[data-md-state=\"lock\"] .md-container {\n display: none; }\n html .md-nav__link[for=\"__toc\"] {\n display: block;\n padding-right: 2.4rem; }\n html .md-nav__link[for=\"__toc\"]::after {\n color: inherit;\n content: \"\\E8DE\"; }\n html .md-nav__link[for=\"__toc\"] + .md-nav__link {\n display: none; }\n html .md-nav__link[for=\"__toc\"] ~ .md-nav {\n display: -webkit-box;\n display: flex; }\n html [dir=\"rtl\"] .md-nav__link {\n padding-right: 0.8rem;\n padding-left: 2.4rem; }\n .md-nav__source {\n display: block;\n padding: 0 0.2rem;\n background-color: rgba(50, 64, 144, 0.9675);\n color: white; }\n .md-search__overlay {\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n width: 1.8rem;\n height: 1.8rem;\n -webkit-transform-origin: center;\n transform-origin: center;\n -webkit-transition: opacity 0.2s 0.2s, -webkit-transform 0.3s 0.1s;\n transition: opacity 0.2s 0.2s, -webkit-transform 0.3s 0.1s;\n transition: transform 0.3s 0.1s, opacity 0.2s 0.2s;\n transition: transform 0.3s 0.1s, opacity 0.2s 0.2s, -webkit-transform 0.3s 0.1s;\n border-radius: 1rem;\n background-color: white;\n overflow: hidden;\n pointer-events: none; }\n [dir=\"rtl\"] .md-search__overlay {\n right: 0.2rem;\n left: initial; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transition: opacity 0.1s, -webkit-transform 0.4s;\n transition: opacity 0.1s, -webkit-transform 0.4s;\n transition: transform 0.4s, opacity 0.1s;\n transition: transform 0.4s, opacity 0.1s, -webkit-transform 0.4s;\n opacity: 1; }\n .md-search__inner {\n position: fixed;\n top: 0;\n left: 100%;\n width: 100%;\n height: 100%;\n -webkit-transform: translateX(5%);\n transform: translateX(5%);\n -webkit-transition: right 0s 0.3s, left 0s 0.3s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1);\n transition: right 0s 0.3s, left 0s 0.3s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1);\n transition: right 0s 0.3s, left 0s 0.3s, transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.15s 0.15s;\n transition: right 0s 0.3s, left 0s 0.3s, transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 0;\n z-index: 2; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n left: 0;\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: right 0s 0s, left 0s 0s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: right 0s 0s, left 0s 0s, opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: right 0s 0s, left 0s 0s, transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s 0.15s;\n transition: right 0s 0s, left 0s 0s, transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1), opacity 0.15s 0.15s, -webkit-transform 0.15s 0.15s cubic-bezier(0.1, 0.7, 0.1, 1);\n opacity: 1; }\n [dir=\"rtl\"] [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n right: 0;\n left: initial; }\n html [dir=\"rtl\"] .md-search__inner {\n right: 100%;\n left: initial;\n -webkit-transform: translateX(-5%);\n transform: translateX(-5%); }\n .md-search__input {\n width: 100%;\n height: 2.4rem;\n font-size: 0.9rem; }\n .md-search__icon[for=\"__search\"] {\n top: 0.6rem;\n left: 0.8rem; }\n .md-search__icon[for=\"__search\"][for=\"__search\"]::before {\n content: \"\\E5C4\"; }\n [dir=\"rtl\"] .md-search__icon[for=\"__search\"][for=\"__search\"]::before {\n content: \"\\E5C8\"; }\n .md-search__icon[type=\"reset\"] {\n top: 0.6rem;\n right: 0.8rem; }\n .md-search__output {\n top: 2.4rem;\n bottom: 0; }\n .md-search-result__article--document::before {\n display: none; } }\n\n@media only screen and (max-width: 76.1875em) {\n [data-md-toggle=\"drawer\"]:checked ~ .md-overlay {\n width: 100%;\n height: 100%;\n -webkit-transition: width 0s, height 0s, opacity 0.25s;\n transition: width 0s, height 0s, opacity 0.25s;\n opacity: 1; }\n .md-header-nav__button.md-icon--home, .md-header-nav__button.md-logo {\n display: none; }\n .md-hero__inner {\n margin-top: 2.4rem;\n margin-bottom: 1.2rem; }\n .md-nav {\n background-color: white; }\n .md-nav--primary,\n .md-nav--primary .md-nav {\n display: -webkit-box;\n display: flex;\n position: absolute;\n top: 0;\n right: 0;\n left: 0;\n -webkit-box-orient: vertical;\n -webkit-box-direction: normal;\n flex-direction: column;\n height: 100%;\n z-index: 1; }\n .md-nav--primary .md-nav__title,\n .md-nav--primary .md-nav__item {\n font-size: 0.8rem;\n line-height: 1.5; }\n html .md-nav--primary .md-nav__title {\n position: relative;\n height: 5.6rem;\n padding: 3rem 0.8rem 0.2rem;\n background-color: rgba(0, 0, 0, 0.07);\n color: rgba(0, 0, 0, 0.54);\n font-weight: 400;\n line-height: 2.4rem;\n white-space: nowrap;\n cursor: pointer; }\n html .md-nav--primary .md-nav__title::before {\n display: block;\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n width: 2rem;\n height: 2rem;\n color: rgba(0, 0, 0, 0.54); }\n html .md-nav--primary .md-nav__title ~ .md-nav__list {\n background-color: white;\n box-shadow: 0 0.05rem 0 rgba(0, 0, 0, 0.07) inset; }\n html .md-nav--primary .md-nav__title ~ .md-nav__list > .md-nav__item:first-child {\n border-top: 0; }\n html .md-nav--primary .md-nav__title--site {\n position: relative;\n background-color: #3f51b5;\n color: white; }\n html .md-nav--primary .md-nav__title--site .md-nav__button {\n display: block;\n position: absolute;\n top: 0.2rem;\n left: 0.2rem;\n width: 3.2rem;\n height: 3.2rem;\n font-size: 2.4rem; }\n html .md-nav--primary .md-nav__title--site::before {\n display: none; }\n html [dir=\"rtl\"] .md-nav--primary .md-nav__title::before {\n right: 0.2rem;\n left: initial; }\n html [dir=\"rtl\"] .md-nav--primary .md-nav__title--site .md-nav__button {\n right: 0.2rem;\n left: initial; }\n .md-nav--primary .md-nav__list {\n -webkit-box-flex: 1;\n flex: 1;\n overflow-y: auto; }\n .md-nav--primary .md-nav__item {\n padding: 0;\n border-top: 0.05rem solid rgba(0, 0, 0, 0.07); }\n [dir=\"rtl\"] .md-nav--primary .md-nav__item {\n padding: 0; }\n .md-nav--primary .md-nav__item--nested > .md-nav__link {\n padding-right: 2.4rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav__item--nested > .md-nav__link {\n padding-right: 0.8rem;\n padding-left: 2.4rem; }\n .md-nav--primary .md-nav__item--nested > .md-nav__link::after {\n content: \"\\E315\"; }\n [dir=\"rtl\"] .md-nav--primary .md-nav__item--nested > .md-nav__link::after {\n content: \"\\E314\"; }\n .md-nav--primary .md-nav__link {\n position: relative;\n margin-top: 0;\n padding: 0.6rem 0.8rem; }\n .md-nav--primary .md-nav__link::after {\n position: absolute;\n top: 50%;\n right: 0.6rem;\n margin-top: -0.6rem;\n color: inherit;\n font-size: 1.2rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav__link::after {\n right: initial;\n left: 0.6rem; }\n .md-nav--primary .md-nav--secondary .md-nav__link {\n position: static; }\n .md-nav--primary .md-nav--secondary .md-nav {\n position: static;\n background-color: transparent; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n padding-left: 1.4rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav__link {\n padding-right: 1.4rem;\n padding-left: initial; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n padding-left: 2rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link {\n padding-right: 2rem;\n padding-left: initial; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: 2.6rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link {\n padding-right: 2.6rem;\n padding-left: initial; }\n .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n padding-left: 3.2rem; }\n [dir=\"rtl\"] .md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link {\n padding-right: 3.2rem;\n padding-left: initial; }\n .md-nav__toggle ~ .md-nav {\n display: -webkit-box;\n display: flex;\n -webkit-transform: translateX(100%);\n transform: translateX(100%);\n -webkit-transition: opacity 0.125s 0.05s, -webkit-transform 0.25s cubic-bezier(0.8, 0, 0.6, 1);\n transition: opacity 0.125s 0.05s, -webkit-transform 0.25s cubic-bezier(0.8, 0, 0.6, 1);\n transition: transform 0.25s cubic-bezier(0.8, 0, 0.6, 1), opacity 0.125s 0.05s;\n transition: transform 0.25s cubic-bezier(0.8, 0, 0.6, 1), opacity 0.125s 0.05s, -webkit-transform 0.25s cubic-bezier(0.8, 0, 0.6, 1);\n opacity: 0; }\n [dir=\"rtl\"] .md-nav__toggle ~ .md-nav {\n -webkit-transform: translateX(-100%);\n transform: translateX(-100%); }\n .no-csstransforms3d .md-nav__toggle ~ .md-nav {\n display: none; }\n .md-nav__toggle:checked ~ .md-nav {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: opacity 0.125s 0.125s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: opacity 0.125s 0.125s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.125s 0.125s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.125s 0.125s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n opacity: 1; }\n .no-csstransforms3d .md-nav__toggle:checked ~ .md-nav {\n display: -webkit-box;\n display: flex; }\n .md-sidebar--primary {\n position: fixed;\n top: 0;\n left: -12.1rem;\n width: 12.1rem;\n height: 100%;\n -webkit-transform: translateX(0);\n transform: translateX(0);\n -webkit-transition: box-shadow 0.25s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: box-shadow 0.25s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s;\n transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s, -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);\n background-color: white;\n z-index: 3; }\n [dir=\"rtl\"] .md-sidebar--primary {\n right: -12.1rem;\n left: initial; }\n .no-csstransforms3d .md-sidebar--primary {\n display: none; }\n [data-md-toggle=\"drawer\"]:checked ~ .md-container .md-sidebar--primary {\n box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12), 0 5px 5px -3px rgba(0, 0, 0, 0.4);\n -webkit-transform: translateX(12.1rem);\n transform: translateX(12.1rem); }\n [dir=\"rtl\"] [data-md-toggle=\"drawer\"]:checked ~ .md-container .md-sidebar--primary {\n -webkit-transform: translateX(-12.1rem);\n transform: translateX(-12.1rem); }\n .no-csstransforms3d [data-md-toggle=\"drawer\"]:checked ~ .md-container .md-sidebar--primary {\n display: block; }\n .md-sidebar--primary .md-sidebar__scrollwrap {\n overflow: hidden; }\n .md-sidebar--primary .md-sidebar__scrollwrap {\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n margin: 0; }\n .md-tabs {\n display: none; } }\n\n@media only screen and (min-width: 60em) {\n .md-content {\n margin-right: 12.1rem; }\n [dir=\"rtl\"] .md-content {\n margin-right: initial;\n margin-left: 12.1rem; }\n .md-header-nav__button.md-icon--search {\n display: none; }\n .md-header-nav__source {\n display: block;\n width: 11.7rem;\n max-width: 11.7rem;\n padding-right: 0.6rem; }\n [dir=\"rtl\"] .md-header-nav__source {\n padding-right: initial;\n padding-left: 0.6rem; }\n .md-search {\n padding: 0.2rem; }\n .md-search__overlay {\n position: fixed;\n top: 0;\n left: 0;\n width: 0;\n height: 0;\n -webkit-transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n transition: width 0s 0.25s, height 0s 0.25s, opacity 0.25s;\n background-color: rgba(0, 0, 0, 0.54);\n cursor: pointer; }\n [dir=\"rtl\"] .md-search__overlay {\n right: 0;\n left: initial; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n width: 100%;\n height: 100%;\n -webkit-transition: width 0s, height 0s, opacity 0.25s;\n transition: width 0s, height 0s, opacity 0.25s;\n opacity: 1; }\n .md-search__inner {\n position: relative;\n width: 11.5rem;\n margin-right: 0.8rem;\n padding: 0.1rem 0;\n float: right;\n -webkit-transition: width 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: width 0.25s cubic-bezier(0.1, 0.7, 0.1, 1); }\n [dir=\"rtl\"] .md-search__inner {\n margin-right: initial;\n margin-left: 0.8rem;\n float: left; }\n .md-search__form {\n border-radius: 0.1rem; }\n .md-search__input {\n width: 100%;\n height: 1.8rem;\n padding-left: 2.2rem;\n -webkit-transition: background-color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n transition: background-color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1), color 0.25s cubic-bezier(0.1, 0.7, 0.1, 1);\n border-radius: 0.1rem;\n background-color: rgba(0, 0, 0, 0.26);\n color: inherit;\n font-size: 0.8rem; }\n [dir=\"rtl\"] .md-search__input {\n padding-right: 2.2rem; }\n .md-search__input + .md-search__icon {\n color: inherit; }\n .md-search__input::-webkit-input-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input::-moz-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input:-ms-input-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input::-ms-input-placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input::placeholder {\n color: rgba(255, 255, 255, 0.7); }\n .md-search__input:hover {\n background-color: rgba(255, 255, 255, 0.12); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input {\n border-radius: 0.1rem 0.1rem 0 0;\n background-color: white;\n color: rgba(0, 0, 0, 0.87);\n text-overflow: clip; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::-webkit-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::-moz-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input:-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::-ms-input-placeholder {\n color: rgba(0, 0, 0, 0.54); }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input + .md-search__icon, [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__input::placeholder {\n color: rgba(0, 0, 0, 0.54); }\n .md-search__output {\n top: 1.9rem;\n -webkit-transition: opacity 0.4s;\n transition: opacity 0.4s;\n opacity: 0; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__output {\n box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.4);\n opacity: 1; }\n .md-search__scrollwrap {\n max-height: 0; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__scrollwrap {\n max-height: 75vh; }\n .md-search__scrollwrap::-webkit-scrollbar {\n width: 0.2rem;\n height: 0.2rem; }\n .md-search__scrollwrap::-webkit-scrollbar-thumb {\n background-color: rgba(0, 0, 0, 0.26); }\n .md-search__scrollwrap::-webkit-scrollbar-thumb:hover {\n background-color: #536dfe; }\n .md-search-result__meta {\n padding-left: 2.2rem; }\n [dir=\"rtl\"] .md-search-result__meta {\n padding-right: 2.2rem;\n padding-left: initial; }\n .md-search-result__article {\n padding-left: 2.2rem; }\n [dir=\"rtl\"] .md-search-result__article {\n padding-right: 2.2rem;\n padding-left: 0.8rem; }\n .md-sidebar--secondary {\n display: block;\n margin-left: calc(100% - 12.1rem); }\n [dir=\"rtl\"] .md-sidebar--secondary {\n margin-right: calc(100% - 12.1rem);\n margin-left: initial; }\n .md-sidebar--secondary .md-sidebar__scrollwrap {\n -webkit-overflow-scrolling: touch; } }\n\n@media only screen and (min-width: 76.25em) {\n .md-content {\n margin-left: 12.1rem; }\n [dir=\"rtl\"] .md-content {\n margin-right: 12.1rem; }\n .md-content__inner {\n margin-right: 1.2rem;\n margin-left: 1.2rem; }\n .md-header-nav__button.md-icon--menu {\n display: none; }\n .md-nav {\n -webkit-transition: max-height 0.25s cubic-bezier(0.86, 0, 0.07, 1);\n transition: max-height 0.25s cubic-bezier(0.86, 0, 0.07, 1); }\n .md-nav__toggle ~ .md-nav {\n max-height: 0;\n overflow: hidden; }\n .no-js .md-nav__toggle ~ .md-nav {\n display: none; }\n .md-nav__toggle:checked ~ .md-nav {\n max-height: 100%; }\n .md-nav__item--nested > .md-nav > .md-nav__title {\n display: none; }\n .md-nav__item--nested > .md-nav__link::after {\n display: inline-block;\n -webkit-transform-origin: 0.45em 0.45em;\n transform-origin: 0.45em 0.45em;\n -webkit-transform-style: preserve-3d;\n transform-style: preserve-3d;\n vertical-align: -0.125em; }\n .js .md-nav__item--nested > .md-nav__link::after {\n -webkit-transition: -webkit-transform 0.4s;\n transition: -webkit-transform 0.4s;\n transition: transform 0.4s;\n transition: transform 0.4s, -webkit-transform 0.4s; }\n .md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link::after {\n -webkit-transform: rotateX(180deg);\n transform: rotateX(180deg); }\n .md-search__inner {\n margin-right: 1.2rem; }\n [dir=\"rtl\"] .md-search__inner {\n margin-left: 1.2rem; }\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n width: 34.4rem; }\n .md-search__scrollwrap {\n width: 34.4rem; }\n .md-sidebar--secondary {\n margin-left: 48.9rem; }\n [dir=\"rtl\"] .md-sidebar--secondary {\n margin-right: 48.9rem;\n margin-left: initial; }\n .md-tabs ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--nested {\n font-size: 0;\n visibility: hidden; }\n .md-tabs--active ~ .md-main .md-nav--primary .md-nav__title {\n display: block;\n padding: 0; }\n .md-tabs--active ~ .md-main .md-nav--primary .md-nav__title--site {\n display: none; }\n .no-js .md-tabs--active ~ .md-main .md-nav--primary .md-nav {\n display: block; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item {\n font-size: 0;\n visibility: hidden; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--nested {\n display: none;\n font-size: 0.7rem;\n overflow: auto;\n visibility: visible; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__link {\n display: none; }\n .md-tabs--active ~ .md-main .md-nav--primary > .md-nav__list > .md-nav__item--active {\n display: block; }\n .md-tabs--active ~ .md-main .md-nav[data-md-level=\"1\"] {\n max-height: initial;\n overflow: visible; }\n .md-tabs--active ~ .md-main .md-nav[data-md-level=\"1\"] > .md-nav__list > .md-nav__item {\n padding-left: 0; }\n .md-tabs--active ~ .md-main .md-nav[data-md-level=\"1\"] .md-nav .md-nav__title {\n display: none; } }\n\n@media only screen and (min-width: 45em) {\n .md-footer-nav__link {\n width: 50%; }\n .md-footer-copyright {\n max-width: 75%;\n float: left; }\n [dir=\"rtl\"] .md-footer-copyright {\n float: right; }\n .md-footer-social {\n padding: 0.6rem 0;\n float: right; }\n [dir=\"rtl\"] .md-footer-social {\n float: left; } }\n\n@media only screen and (max-width: 29.9375em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transform: scale(45);\n transform: scale(45); } }\n\n@media only screen and (min-width: 30em) and (max-width: 44.9375em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transform: scale(60);\n transform: scale(60); } }\n\n@media only screen and (min-width: 45em) and (max-width: 59.9375em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__overlay {\n -webkit-transform: scale(75);\n transform: scale(75); } }\n\n@media only screen and (min-width: 60em) and (max-width: 76.1875em) {\n [data-md-toggle=\"search\"]:checked ~ .md-header .md-search__inner {\n width: 23.4rem; }\n .md-search__scrollwrap {\n width: 23.4rem; }\n .md-search-result__teaser {\n max-height: 2.5rem;\n -webkit-line-clamp: 3; } }\n\n@media (-webkit-max-device-pixel-ratio: 1), (max-resolution: 1dppx) {\n .md-search__scrollwrap {\n -webkit-transform: translateZ(0);\n transform: translateZ(0); } }\n/*# sourceMappingURL=app.css.map */",null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null]} \ No newline at end of file diff --git a/mkdocs.yml b/mkdocs.yml index ab6bf8222..0fe07c413 100755 --- a/mkdocs.yml +++ b/mkdocs.yml @@ -74,6 +74,8 @@ extra: link: https://twitter.com/squidfunk - icon: brands/linkedin link: https://www.linkedin.com/in/squidfunk/ + - icon: brands/instagram + link: https://instagram.com/squidfunk # Extensions markdown_extensions: diff --git a/src/assets/javascripts/actions/search/result/index.ts b/src/assets/javascripts/actions/search/result/index.ts index 7ede1b3f8..338870985 100644 --- a/src/assets/javascripts/actions/search/result/index.ts +++ b/src/assets/javascripts/actions/search/result/index.ts @@ -35,11 +35,22 @@ import { translate } from "utilities" export function setSearchResultMeta( el: HTMLElement, value: number ): void { - el.textContent = value > 1 - ? translate("search.result.other", value.toString()) - : value === 1 - ? translate("search.result.one") - : translate("search.result.none") + switch (value) { + + /* No results */ + case 0: + el.textContent = translate("search.result.none") + break + + /* One result */ + case 1: + el.textContent = translate("search.result.one") + break + + /* Multiple result */ + default: + el.textContent = translate("search.result.other", value.toString()) + } } /** diff --git a/src/assets/javascripts/extensions/rxjs/operators/index.ts b/src/assets/javascripts/extensions/rxjs/operators/index.ts index 373ecd01f..657c1ae54 100644 --- a/src/assets/javascripts/extensions/rxjs/operators/index.ts +++ b/src/assets/javascripts/extensions/rxjs/operators/index.ts @@ -22,6 +22,7 @@ import { EMPTY, + MonoTypeOperatorFunction, Observable, OperatorFunction, combineLatest, @@ -30,8 +31,10 @@ import { } from "rxjs" import { filter, + map, switchMap, - takeUntil + takeUntil, + withLatestFrom } from "rxjs/operators" /* ---------------------------------------------------------------------------- @@ -65,3 +68,22 @@ export function switchMapIf( ) ) } + +/** + * Toggle emission with another observable + * + * @template T - Value type + * + * @param toggle$ - Toggle observable + * + * @return Operator function + */ +export function takeIf( + toggle$: Observable +): MonoTypeOperatorFunction { + return pipe( + withLatestFrom(toggle$), + filter(([, active]) => active), + map(([value]) => value) + ) +} diff --git a/src/assets/javascripts/index.ts b/src/assets/javascripts/index.ts index 83f3fb4ab..2b8659535 100644 --- a/src/assets/javascripts/index.ts +++ b/src/assets/javascripts/index.ts @@ -45,6 +45,9 @@ import { switchMapTo, take, tap, + withLatestFrom, + distinctUntilChanged, + distinctUntilKeyChanged, } from "rxjs/operators" import { @@ -71,7 +74,8 @@ import { setToggle, getElements, watchMedia, - translate + translate, + watchElementFocus } from "./utilities" import { PackerMessage, @@ -83,7 +87,7 @@ import { isSearchResultMessage } from "./workers" import { renderSource } from "templates" -import { switchMapIf, not } from "extensions" +import { switchMapIf, not, takeIf } from "extensions" /* ---------------------------------------------------------------------------- * Types @@ -239,7 +243,7 @@ function setupWorkers(config: Config) { * Yes, this is a super hacky implementation. Needs clean up. */ function repository() { - const el = getElement("[data-md-source][href]") + const el = getElement(".md-source[href]") // TODO: dont use classes console.log(el) if (!el) return EMPTY @@ -326,7 +330,7 @@ export function initialize(config: unknown) { // TODO: WIP repo rendering repository().subscribe(facts => { if (facts.length) { - const sources = getElements("[data-md-source] .md-source__repository") + const sources = getElements(".md-source__repository") sources.forEach(repo => { repo.dataset.mdState = "done" repo.appendChild( @@ -396,6 +400,7 @@ export function initialize(config: unknown) { type: SearchMessageType.QUERY, data: query.value })), // TODO. ugly... + distinctUntilKeyChanged("data") // distinctUntilKeyChanged("data") ) .subscribe(searchMessage$) @@ -432,7 +437,10 @@ export function initialize(config: unknown) { // TODO: naming? const resultComponent$ = component("search-result") .pipe( - mountSearchResult(agent, { result$, query$: query$.pipe(pluck("value")) }) + mountSearchResult(agent, { result$, query$: query$.pipe( + distinctUntilKeyChanged("value"), + pluck("value") + ) }) ) // temporary fix const tabs$ = component("tabs") @@ -451,7 +459,7 @@ export function initialize(config: unknown) { const drawer = getElement("[data-md-toggle=drawer]")! const search = getElement("[data-md-toggle=search]")! - const a$ = watchToggle(search) + const searchActive$ = watchToggle(search) .pipe( delay(400) ) @@ -461,15 +469,90 @@ export function initialize(config: unknown) { switchMap(watchSearchReset) ) - /* Listener: focus query if search is open and character is typed */ - // TODO: combine with watchElementFocus - const keysIfSearchActive$ = a$ + const key$ = fromEvent(window, "keydown").pipe( + filter(ev => !(ev.metaKey || ev.ctrlKey)) + ) + + // search mode is active! + key$.pipe( + takeIf(searchActive$) + // switchMapIf(searchActive$, x => { + // console.log("search mode!", x) + // return EMPTY + // }) + ) + .subscribe(x => console.log("search mode", x)) + + // filter arrow keys if search is active! + searchActive$.subscribe(console.log) + + // shortcodes + key$ .pipe( - switchMap(x => x === true ? fromEvent(window, "keydown") : NEVER), + takeIf(not(searchActive$)) ) + .subscribe(ev => { + if ( + document.activeElement && ( + ["TEXTAREA", "SELECT", "INPUT"].includes( + document.activeElement.tagName + ) || + document.activeElement instanceof HTMLElement && + document.activeElement.isContentEditable + ) + ) { + // do nothing... + } else { + if (ev.keyCode === 70 || ev.keyCode === 83) { + setToggle(search, true) + } + } + }) + // check which element is focused... + // note that all links have tabindex=-1 + key$ + .pipe( + takeIf(searchActive$), + + /* Abort if meta key (macOS) or ctrl key (Windows) is pressed */ + tap(ev => { + if (ev.key === "Enter") { + if (document.activeElement === getElement("[data-md-component=search-query]")) { + ev.preventDefault() + // intercept hash change after search closed + } else { + setToggle(search, false) + } + } + + if (ev.key === "ArrowUp" || ev.key === "ArrowDown") { + const active = getElements("[data-md-component=search-query], [data-md-component=search-result] [href]") + const i = Math.max(0, active.findIndex(el => el === document.activeElement)) + const x = Math.max(0, (i + active.length + (ev.keyCode === 38 ? -1 : +1)) % active.length) + active[x].focus() + + /* Prevent scrolling of page */ + ev.preventDefault() + ev.stopPropagation() + + } else if (ev.key === "Escape" || ev.key === "Tab") { + setToggle(search, false) + getElement("[data-md-component=search-query]")!.blur() + + } else { + if (search.checked && document.activeElement !== getElement("[data-md-component=search-query]")) { + getElement("[data-md-component=search-query]")!.focus() + } + } + }) + ) + .subscribe() + + // TODO: close search on hashchange + // anchor jump -> always close drawer + search // focus search on reset, on toggle and on keypress if open - merge(a$.pipe(filter(identity)), reset$, keysIfSearchActive$) + merge(searchActive$.pipe(filter(identity)), reset$) .pipe( switchMapTo(component("search-query")), tap(el => el.focus()) // TODO: only if element isnt focused! setFocus? setToggle? diff --git a/src/assets/javascripts/utilities/agent/_/index.ts b/src/assets/javascripts/utilities/agent/_/index.ts index 5d3b4e049..bb3e0ba06 100644 --- a/src/assets/javascripts/utilities/agent/_/index.ts +++ b/src/assets/javascripts/utilities/agent/_/index.ts @@ -56,8 +56,8 @@ export interface AgentLocation { * Agent media */ export interface AgentMedia { - screen$: Observable /* Media observable for screen */ tablet$: Observable /* Media observable for tablet */ + screen$: Observable /* Media observable for screen */ } /** @@ -102,8 +102,8 @@ export function setupAgent(): Agent { hash$: watchLocationHash() }, media: { - screen$: watchMedia("(min-width: 1220px)"), - tablet$: watchMedia("(min-width: 960px)") + tablet$: watchMedia("(min-width: 960px)"), + screen$: watchMedia("(min-width: 1220px)") }, viewport: { offset$: watchViewportOffset(), diff --git a/src/assets/javascripts/utilities/agent/document/index.ts b/src/assets/javascripts/utilities/agent/document/index.ts index d090f79d9..40e4e2d2d 100644 --- a/src/assets/javascripts/utilities/agent/document/index.ts +++ b/src/assets/javascripts/utilities/agent/document/index.ts @@ -76,7 +76,7 @@ export function watchDocument(): Observable { * This function returns an observables that fetches a document if the provided * location observable emits a new value (i.e. URL). If the emitted URL points * to the same page, the request is effectively ignored (e.g. when only the - * fragment identifier changes) + * fragment identifier changes). * * @param options - Options * diff --git a/src/assets/javascripts/utilities/toggle/index.ts b/src/assets/javascripts/utilities/toggle/index.ts index 4f778b0e0..8ca2688cc 100644 --- a/src/assets/javascripts/utilities/toggle/index.ts +++ b/src/assets/javascripts/utilities/toggle/index.ts @@ -21,7 +21,7 @@ */ import { Observable, fromEvent } from "rxjs" -import { map } from "rxjs/operators" +import { map, startWith } from "rxjs/operators" /* ---------------------------------------------------------------------------- * Functions @@ -59,6 +59,7 @@ export function watchToggle( ): Observable { return fromEvent(el, "change") .pipe( - map(() => el.checked) + map(() => el.checked), + startWith(el.checked) ) } diff --git a/src/assets/stylesheets/layout/_search.scss b/src/assets/stylesheets/layout/_search.scss index 37564cef8..4f6f81f93 100644 --- a/src/assets/stylesheets/layout/_search.scss +++ b/src/assets/stylesheets/layout/_search.scss @@ -523,8 +523,8 @@ $md-toggle__search--checked: outline: 0; overflow: hidden; - // Active or hovered link - &[data-md-state="active"], + // Focused or hovered link + &:focus, &:hover { background-color: transparentize($md-color-accent, 0.9);