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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,
delay,
finalize,
map,
merge,
of,
switchMap,
tap
} from "rxjs"
import { getElement } from "~/browser"
import { Component } from "../_"
/* ----------------------------------------------------------------------------
* Types
* ------------------------------------------------------------------------- */
/**
* Dialog
*/
export interface Dialog {
message: string /* Dialog message */
active: boolean /* Dialog is active */
}
/* ----------------------------------------------------------------------------
* Helper types
* ------------------------------------------------------------------------- */
/**
* Watch options
*/
interface WatchOptions {
alert$: Subject<string> /* Alert subject */
}
/**
* Mount options
*/
interface MountOptions {
alert$: Subject<string> /* Alert subject */
}
/* ----------------------------------------------------------------------------
* Functions
* ------------------------------------------------------------------------- */
/**
* Watch dialog
*
* @param _el - Dialog element
* @param options - Options
*
* @returns Dialog observable
*/
export function watchDialog(
_el: HTMLElement, { alert$ }: WatchOptions
): Observable<Dialog> {
return alert$
.pipe(
switchMap(message => merge(
of(true),
of(false).pipe(delay(2000))
)
.pipe(
map(active => ({ message, active }))
)
)
)
}
/**
* Mount dialog
*
* This function reveals the dialog in the right corner when a new alert is
* emitted through the subject that is passed as part of the options.
*
* @param el - Dialog element
* @param options - Options
*
* @returns Dialog component observable
*/
export function mountDialog(
el: HTMLElement, options: MountOptions
): Observable<Component<Dialog>> {
const inner = getElement(".md-typeset", el)
return defer(() => {
const push$ = new Subject<Dialog>()
push$.subscribe(({ message, active }) => {
el.classList.toggle("md-dialog--active", active)
inner.textContent = message
})
/* Create and return component */
return watchDialog(el, options)
.pipe(
tap(state => push$.next(state)),
finalize(() => push$.complete()),
map(state => ({ ref: el, ...state }))
)
})
}
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