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) 2016-2021 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 {
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Observable,
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fromEvent,
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mapTo,
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mergeMap,
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of,
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switchMap,
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takeWhile,
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tap,
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withLatestFrom
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} from "rxjs"
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import { getElements } from "~/browser"
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/* ----------------------------------------------------------------------------
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* Helper types
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* ------------------------------------------------------------------------- */
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/**
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* Patch options
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*/
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interface PatchOptions {
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document$: Observable<Document> /* Document observable */
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tablet$: Observable<boolean> /* Media tablet 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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* Patch indeterminate checkboxes
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*
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* This function replaces the indeterminate "pseudo state" with the actual
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* indeterminate state, which is used to keep navigation always expanded.
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*
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* @param options - Options
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*/
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export function patchIndeterminate(
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{ document$, tablet$ }: PatchOptions
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): void {
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document$
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.pipe(
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switchMap(() => of(...getElements<HTMLInputElement>(
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"[data-md-state=indeterminate]"
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))),
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tap(el => {
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el.indeterminate = true
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el.checked = false
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}),
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mergeMap(el => fromEvent(el, "change")
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.pipe(
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takeWhile(() => el.hasAttribute("data-md-state")),
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mapTo(el)
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)
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),
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withLatestFrom(tablet$)
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)
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.subscribe(([el, tablet]) => {
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el.removeAttribute("data-md-state")
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if (tablet)
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el.checked = false
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})
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}
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