65 lines
2.2 KiB
TypeScript
65 lines
2.2 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, fromEvent } from "rxjs"
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import { map } from "rxjs/operators"
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/* ----------------------------------------------------------------------------
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* Functions
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* ------------------------------------------------------------------------- */
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/**
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* Set toggle
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*
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* Simulating a click event seems to be the most cross-browser compatible way
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* of changing the value while also emitting a `change` event. Before, Material
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* used `CustomEvent` to programatically change the value of a toggle, but this
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* is a much simpler and cleaner solution.
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*
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* @param el - Toggle element
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* @param value - Toggle value
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*/
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export function setToggle(
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el: HTMLInputElement, value: boolean
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): void {
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if (el.checked !== value)
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el.click()
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}
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/* ------------------------------------------------------------------------- */
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/**
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* Watch toggle
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*
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* @param el - Toggle element
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*
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* @return Toggle observable
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*/
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export function watchToggle(
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el: HTMLInputElement
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): Observable<boolean> {
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return fromEvent(el, "change")
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.pipe(
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map(() => el.checked)
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)
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}
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