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/*
* Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
import {
Observable,
Subject,
defer,
finalize,
map,
tap
} from "rxjs"
import { Component } from "../_"
/* ----------------------------------------------------------------------------
* Types
* ------------------------------------------------------------------------- */
/**
* Progress indicator
*/
export interface Progress {
value: number // Progress value
}
/* ----------------------------------------------------------------------------
* Helper types
* ------------------------------------------------------------------------- */
/**
* Mount options
*/
interface MountOptions {
progress$: Subject<number> // Progress subject
}
/* ----------------------------------------------------------------------------
* Functions
* ------------------------------------------------------------------------- */
/**
* Mount progress indicator
*
* @param el - Progress indicator element
* @param options - Options
*
* @returns Progress indicator component observable
*/
export function mountProgress(
el: HTMLElement, { progress$ }: MountOptions
): Observable<Component<Progress>> {
// Mount component on subscription
return defer(() => {
const push$ = new Subject<Progress>()
push$.subscribe(({ value }) => {
el.style.setProperty("--md-progress-value", `${value}`)
})
// Create and return component
return progress$
.pipe(
tap(value => push$.next({ value })),
finalize(() => push$.complete()),
map(value => ({ ref: el, value }))
)
})
}
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