mirror of
https://github.com/squidfunk/mkdocs-material.git
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87 lines
2.7 KiB
TypeScript
87 lines
2.7 KiB
TypeScript
/*
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* Copyright (c) 2016-2019 Martin Donath <martin.donath@squidfunk.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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import { Observable, OperatorFunction, pipe } from "rxjs"
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import { map, shareReplay } from "rxjs/operators"
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import { switchMapIf } from "extensions"
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import { Agent, paintHidden } from "utilities"
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import { Header, watchHeaderOffsetToTopOf } from "../header"
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/* ----------------------------------------------------------------------------
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* Types
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* ------------------------------------------------------------------------- */
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/**
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* Tabs
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*/
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export interface Tabs {
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hidden: boolean /* Whether the tabs are hidden */
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}
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/* ----------------------------------------------------------------------------
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* Helper types
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* ------------------------------------------------------------------------- */
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/**
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* Options
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*/
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interface Options {
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header$: Observable<Header> /* Header observable */
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}
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/* ----------------------------------------------------------------------------
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* Functions
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* ------------------------------------------------------------------------- */
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/**
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* Setup tabs from source observable
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*
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* @param agent - Agent
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* @param options - Options
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*
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* @return Operator function
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*/
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export function setupTabs(
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agent: Agent, { header$ }: Options
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): OperatorFunction<HTMLElement, Tabs> {
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const { media } = agent
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return pipe(
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switchMapIf(media.screen$, el => {
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/* Watch and paint visibility */
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const hidden$ = watchHeaderOffsetToTopOf(el, agent, { header$ })
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.pipe(
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paintHidden(el, 8)
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)
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/* Combine into a single hot observable */
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return hidden$
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.pipe(
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map(hidden => ({ hidden }))
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)
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}),
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shareReplay(1)
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)
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}
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