!function(e){var t={};function r(n){if(t[n])return t[n].exports;var i=t[n]={i:n,l:!1,exports:{}};return e[n].call(i.exports,i,i.exports,r),i.l=!0,i.exports}r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)r.d(n,i,function(t){return e[t]}.bind(null,i));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=4)}([function(e,t,r){"use strict"; /*! * escape-html * Copyright(c) 2012-2013 TJ Holowaychuk * Copyright(c) 2015 Andreas Lubbe * Copyright(c) 2015 Tiancheng "Timothy" Gu * MIT Licensed */var n=/["'&<>]/;e.exports=function(e){var t,r=""+e,i=n.exec(r);if(!i)return r;var s="",o=0,a=0;for(o=i.index;o0){var u=R.utils.clone(t)||{};u.position=[o,a],u.index=i.length,i.push(new R.Token(r.slice(o,s),u))}o=s+1}}return i},R.tokenizer.separator=/[\s\-]+/ /*! * lunr.Pipeline * Copyright (C) 2019 Oliver Nightingale */,R.Pipeline=function(){this._stack=[]},R.Pipeline.registeredFunctions=Object.create(null),R.Pipeline.registerFunction=function(e,t){t in this.registeredFunctions&&R.utils.warn("Overwriting existing registered function: "+t),e.label=t,R.Pipeline.registeredFunctions[e.label]=e},R.Pipeline.warnIfFunctionNotRegistered=function(e){e.label&&e.label in this.registeredFunctions||R.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",e)},R.Pipeline.load=function(e){var t=new R.Pipeline;return e.forEach((function(e){var r=R.Pipeline.registeredFunctions[e];if(!r)throw new Error("Cannot load unregistered function: "+e);t.add(r)})),t},R.Pipeline.prototype.add=function(){var e=Array.prototype.slice.call(arguments);e.forEach((function(e){R.Pipeline.warnIfFunctionNotRegistered(e),this._stack.push(e)}),this)},R.Pipeline.prototype.after=function(e,t){R.Pipeline.warnIfFunctionNotRegistered(t);var r=this._stack.indexOf(e);if(-1==r)throw new Error("Cannot find existingFn");r+=1,this._stack.splice(r,0,t)},R.Pipeline.prototype.before=function(e,t){R.Pipeline.warnIfFunctionNotRegistered(t);var r=this._stack.indexOf(e);if(-1==r)throw new Error("Cannot find existingFn");this._stack.splice(r,0,t)},R.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);-1!=t&&this._stack.splice(t,1)},R.Pipeline.prototype.run=function(e){for(var t=this._stack.length,r=0;r1&&(se&&(r=i),s!=e);)n=r-t,i=t+Math.floor(n/2),s=this.elements[2*i];return s==e?2*i:s>e?2*i:sa?l+=2:o==a&&(t+=r[u+1]*n[l+1],u+=2,l+=2);return t},R.Vector.prototype.similarity=function(e){return this.dot(e)/this.magnitude()||0},R.Vector.prototype.toArray=function(){for(var e=new Array(this.elements.length/2),t=1,r=0;t0){var s,o=i.str.charAt(0);o in i.node.edges?s=i.node.edges[o]:(s=new R.TokenSet,i.node.edges[o]=s),1==i.str.length&&(s.final=!0),n.push({node:s,editsRemaining:i.editsRemaining,str:i.str.slice(1)})}if(0!=i.editsRemaining){if("*"in i.node.edges)var a=i.node.edges["*"];else{a=new R.TokenSet;i.node.edges["*"]=a}if(0==i.str.length&&(a.final=!0),n.push({node:a,editsRemaining:i.editsRemaining-1,str:i.str}),i.str.length>1&&n.push({node:i.node,editsRemaining:i.editsRemaining-1,str:i.str.slice(1)}),1==i.str.length&&(i.node.final=!0),i.str.length>=1){if("*"in i.node.edges)var u=i.node.edges["*"];else{u=new R.TokenSet;i.node.edges["*"]=u}1==i.str.length&&(u.final=!0),n.push({node:u,editsRemaining:i.editsRemaining-1,str:i.str.slice(1)})}if(i.str.length>1){var l,c=i.str.charAt(0),h=i.str.charAt(1);h in i.node.edges?l=i.node.edges[h]:(l=new R.TokenSet,i.node.edges[h]=l),1==i.str.length&&(l.final=!0),n.push({node:l,editsRemaining:i.editsRemaining-1,str:c+i.str.slice(2)})}}}return r},R.TokenSet.fromString=function(e){for(var t=new R.TokenSet,r=t,n=0,i=e.length;n=e;t--){var r=this.uncheckedNodes[t],n=r.child.toString();n in this.minimizedNodes?r.parent.edges[r.char]=this.minimizedNodes[n]:(r.child._str=n,this.minimizedNodes[n]=r.child),this.uncheckedNodes.pop()}} /*! * lunr.Index * Copyright (C) 2019 Oliver Nightingale */,R.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},R.Index.prototype.search=function(e){return this.query((function(t){new R.QueryParser(e,t).parse()}))},R.Index.prototype.query=function(e){for(var t=new R.Query(this.fields),r=Object.create(null),n=Object.create(null),i=Object.create(null),s=Object.create(null),o=Object.create(null),a=0;a1?1:e},R.Builder.prototype.k1=function(e){this._k1=e},R.Builder.prototype.add=function(e,t){var r=e[this._ref],n=Object.keys(this._fields);this._documents[r]=t||{},this.documentCount+=1;for(var i=0;i=this.length)return R.QueryLexer.EOS;var e=this.str.charAt(this.pos);return this.pos+=1,e},R.QueryLexer.prototype.width=function(){return this.pos-this.start},R.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},R.QueryLexer.prototype.backup=function(){this.pos-=1},R.QueryLexer.prototype.acceptDigitRun=function(){var e,t;do{t=(e=this.next()).charCodeAt(0)}while(t>47&&t<58);e!=R.QueryLexer.EOS&&this.backup()},R.QueryLexer.prototype.more=function(){return this.pos1&&(e.backup(),e.emit(R.QueryLexer.TERM)),e.ignore(),e.more())return R.QueryLexer.lexText},R.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(R.QueryLexer.EDIT_DISTANCE),R.QueryLexer.lexText},R.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(R.QueryLexer.BOOST),R.QueryLexer.lexText},R.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(R.QueryLexer.TERM)},R.QueryLexer.termSeparator=R.tokenizer.separator,R.QueryLexer.lexText=function(e){for(;;){var t=e.next();if(t==R.QueryLexer.EOS)return R.QueryLexer.lexEOS;if(92!=t.charCodeAt(0)){if(":"==t)return R.QueryLexer.lexField;if("~"==t)return e.backup(),e.width()>0&&e.emit(R.QueryLexer.TERM),R.QueryLexer.lexEditDistance;if("^"==t)return e.backup(),e.width()>0&&e.emit(R.QueryLexer.TERM),R.QueryLexer.lexBoost;if("+"==t&&1===e.width())return e.emit(R.QueryLexer.PRESENCE),R.QueryLexer.lexText;if("-"==t&&1===e.width())return e.emit(R.QueryLexer.PRESENCE),R.QueryLexer.lexText;if(t.match(R.QueryLexer.termSeparator))return R.QueryLexer.lexTerm}else e.escapeCharacter()}},R.QueryParser=function(e,t){this.lexer=new R.QueryLexer(e),this.query=t,this.currentClause={},this.lexemeIdx=0},R.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=R.QueryParser.parseClause;e;)e=e(this);return this.query},R.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},R.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},R.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},R.QueryParser.parseClause=function(e){var t=e.peekLexeme();if(null!=t)switch(t.type){case R.QueryLexer.PRESENCE:return R.QueryParser.parsePresence;case R.QueryLexer.FIELD:return R.QueryParser.parseField;case R.QueryLexer.TERM:return R.QueryParser.parseTerm;default:var r="expected either a field or a term, found "+t.type;throw t.str.length>=1&&(r+=" with value '"+t.str+"'"),new R.QueryParseError(r,t.start,t.end)}},R.QueryParser.parsePresence=function(e){var t=e.consumeLexeme();if(null!=t){switch(t.str){case"-":e.currentClause.presence=R.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=R.Query.presence.REQUIRED;break;default:var r="unrecognised presence operator'"+t.str+"'";throw new R.QueryParseError(r,t.start,t.end)}var n=e.peekLexeme();if(null==n){r="expecting term or field, found nothing";throw new R.QueryParseError(r,t.start,t.end)}switch(n.type){case R.QueryLexer.FIELD:return R.QueryParser.parseField;case R.QueryLexer.TERM:return R.QueryParser.parseTerm;default:r="expecting term or field, found '"+n.type+"'";throw new R.QueryParseError(r,n.start,n.end)}}},R.QueryParser.parseField=function(e){var t=e.consumeLexeme();if(null!=t){if(-1==e.query.allFields.indexOf(t.str)){var r=e.query.allFields.map((function(e){return"'"+e+"'"})).join(", "),n="unrecognised field '"+t.str+"', possible fields: "+r;throw new R.QueryParseError(n,t.start,t.end)}e.currentClause.fields=[t.str];var i=e.peekLexeme();if(null==i){n="expecting term, found nothing";throw new R.QueryParseError(n,t.start,t.end)}switch(i.type){case R.QueryLexer.TERM:return R.QueryParser.parseTerm;default:n="expecting term, found '"+i.type+"'";throw new R.QueryParseError(n,i.start,i.end)}}},R.QueryParser.parseTerm=function(e){var t=e.consumeLexeme();if(null!=t){e.currentClause.term=t.str.toLowerCase(),-1!=t.str.indexOf("*")&&(e.currentClause.usePipeline=!1);var r=e.peekLexeme();if(null!=r)switch(r.type){case R.QueryLexer.TERM:return e.nextClause(),R.QueryParser.parseTerm;case R.QueryLexer.FIELD:return e.nextClause(),R.QueryParser.parseField;case R.QueryLexer.EDIT_DISTANCE:return R.QueryParser.parseEditDistance;case R.QueryLexer.BOOST:return R.QueryParser.parseBoost;case R.QueryLexer.PRESENCE:return e.nextClause(),R.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+r.type+"'";throw new R.QueryParseError(n,r.start,r.end)}else e.nextClause()}},R.QueryParser.parseEditDistance=function(e){var t=e.consumeLexeme();if(null!=t){var r=parseInt(t.str,10);if(isNaN(r)){var n="edit distance must be numeric";throw new R.QueryParseError(n,t.start,t.end)}e.currentClause.editDistance=r;var i=e.peekLexeme();if(null!=i)switch(i.type){case R.QueryLexer.TERM:return e.nextClause(),R.QueryParser.parseTerm;case R.QueryLexer.FIELD:return e.nextClause(),R.QueryParser.parseField;case R.QueryLexer.EDIT_DISTANCE:return R.QueryParser.parseEditDistance;case R.QueryLexer.BOOST:return R.QueryParser.parseBoost;case R.QueryLexer.PRESENCE:return e.nextClause(),R.QueryParser.parsePresence;default:n="Unexpected lexeme type '"+i.type+"'";throw new R.QueryParseError(n,i.start,i.end)}else e.nextClause()}},R.QueryParser.parseBoost=function(e){var t=e.consumeLexeme();if(null!=t){var r=parseInt(t.str,10);if(isNaN(r)){var n="boost must be numeric";throw new R.QueryParseError(n,t.start,t.end)}e.currentClause.boost=r;var i=e.peekLexeme();if(null!=i)switch(i.type){case R.QueryLexer.TERM:return e.nextClause(),R.QueryParser.parseTerm;case R.QueryLexer.FIELD:return e.nextClause(),R.QueryParser.parseField;case R.QueryLexer.EDIT_DISTANCE:return R.QueryParser.parseEditDistance;case R.QueryLexer.BOOST:return R.QueryParser.parseBoost;case R.QueryLexer.PRESENCE:return e.nextClause(),R.QueryParser.parsePresence;default:n="Unexpected lexeme type '"+i.type+"'";throw new R.QueryParseError(n,i.start,i.end)}else e.nextClause()}},void 0===(i="function"==typeof(n=function(){return R})?n.call(t,r,t,e):n)||(e.exports=i)}()},function(e,t,r){"use strict";r.r(t);var n=function(){return(n=Object.assign||function(e){for(var t,r=1,n=arguments.length;r=e.length&&(e=void 0),{value:e&&e[r++],done:!e}}}}function s(e,t){var r="function"==typeof Symbol&&e[Symbol.iterator];if(!r)return e;var n,i,s=r.call(e),o=[];try{for(;(void 0===t||t-- >0)&&!(n=s.next()).done;)o.push(n.value)}catch(e){i={error:e}}finally{try{n&&!n.done&&(r=s.return)&&r.call(s)}finally{if(i)throw i.error}}return o}function o(){for(var e=[],t=0;t"+r+""};return function(i){i=i.replace(/[\s*+-:~^]+/g," ").trim();var s=new RegExp("(^|"+e.separator+")("+i.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(t,"|")+")","img");return function(e){return n(n({},e),{title:e.title.replace(s,r),text:e.text.replace(s,r)})}}}(t),this.index=void 0===l?lunr((function(){var e,n,s,a,l;u=u||["trimmer","stopWordFilter"],this.pipeline.reset();try{for(var c=i(u),h=c.next();!h.done;h=c.next()){var d=h.value;this.pipeline.add(lunr[d])}}catch(t){e={error:t}}finally{try{h&&!h.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}1===t.lang.length&&"en"!==t.lang[0]?this.use(lunr[t.lang[0]]):t.lang.length>1&&this.use((s=lunr).multiLanguage.apply(s,o(t.lang))),this.field("title",{boost:10}),this.field("text"),this.ref("location");try{for(var f=i(r),p=f.next();!p.done;p=f.next()){var y=p.value;this.add(y)}}catch(e){a={error:e}}finally{try{p&&!p.done&&(l=f.return)&&l.call(f)}finally{if(a)throw a.error}}})):lunr.Index.load("string"==typeof l?JSON.parse(l):l)}return e.prototype.search=function(e){var t=this;if(e)try{var r=this.index.search(e).reduce((function(e,r){var n=t.documents.get(r.ref);if(void 0!==n)if("parent"in n){var i=n.parent.location;e.set(i,o(e.get(i)||[],[r]))}else{i=n.location;e.set(i,e.get(i)||[])}return e}),new Map),n=this.highlight(e);return o(r).map((function(e){var r=s(e,2),i=r[0],o=r[1];return{article:n(t.documents.get(i)),sections:o.map((function(e){return n(t.documents.get(e.ref))}))}}))}catch(t){console.warn("Invalid query: "+e+" – see https://bit.ly/2s3ChXG")}return[]},e.prototype.toString=function(){return JSON.stringify(this.index)},e}();function h(e){switch(e.type){case u.SETUP:return function(e){var t,r,n="../lunr",s=[];try{for(var a=i(e.lang),u=a.next();!u.done;u=a.next()){var l=u.value;"ja"===l&&s.push(n+"/tinyseg.min.js"),"en"!==l&&s.push(n+"/min/lunr."+l+".min.js")}}catch(e){t={error:e}}finally{try{u&&!u.done&&(r=a.return)&&r.call(a)}finally{if(t)throw t.error}}e.lang.length>1&&s.push(n+"/min/lunr.multi.min.js"),s.length&&self.importScripts.apply(self,o([n+"/min/lunr.stemmer.support.min.js"],s))}(e.data.config),l=new c(e.data),{type:u.DUMP,data:l.toString()};case u.QUERY:return{type:u.RESULT,data:l?l.search(e.data):[]};default:throw new TypeError("Invalid message type")}}!function(e){e[e.SETUP=0]="SETUP",e[e.DUMP=1]="DUMP",e[e.QUERY=2]="QUERY",e[e.RESULT=3]="RESULT"}(u||(u={})),r.d(t,"handler",(function(){return h})),self.addEventListener("message",(function(e){self.postMessage(h(e.data))}))}]); //# sourceMappingURL=search.edc88caf.min.js.map