mirror of
https://github.com/squidfunk/mkdocs-material.git
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96 lines
3.1 KiB
TypeScript
96 lines
3.1 KiB
TypeScript
/*
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* Copyright (c) 2016-2020 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, of, pipe } from "rxjs"
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import {
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distinctUntilKeyChanged,
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map,
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switchMap
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} from "rxjs/operators"
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import { Viewport, watchViewportAt } from "browser"
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import { Header } from "../../header"
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import { applyTabs } from "../react"
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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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* Mount options
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*/
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interface MountOptions {
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header$: Observable<Header> /* Header observable */
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viewport$: Observable<Viewport> /* Viewport observable */
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screen$: Observable<boolean> /* Media screen observable */
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}
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/* ----------------------------------------------------------------------------
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* Functions
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* ------------------------------------------------------------------------- */
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/**
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* Mount tabs from source observable
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*
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* @param options - Options
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*
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* @return Operator function
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*/
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export function mountTabs(
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{ header$, viewport$, screen$ }: MountOptions
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): OperatorFunction<HTMLElement, Tabs> {
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return pipe(
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switchMap(el => screen$
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.pipe(
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switchMap(screen => {
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/* [screen +]: Mount tabs above screen breakpoint */
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if (screen) {
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return watchViewportAt(el, { header$, viewport$ })
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.pipe(
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map(({ offset: { y } }) => ({ hidden: y >= 10 })),
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distinctUntilKeyChanged("hidden"),
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applyTabs(el)
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)
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/* [screen -]: Unmount tabs below screen breakpoint */
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} else {
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return of({ hidden: true })
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}
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})
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)
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)
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)
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}
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