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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 ClipboardJS from "clipboard"
import {
Observable,
Subject,
map,
tap
} from "rxjs"
import { translation } from "~/_"
import { getElement } from "~/browser"
/* ----------------------------------------------------------------------------
* Helper types
* ------------------------------------------------------------------------- */
/**
* Setup options
*/
interface SetupOptions {
alert$: Subject<string> /* Alert subject */
}
/* ----------------------------------------------------------------------------
* Helper functions
* ------------------------------------------------------------------------- */
/**
* Extract text to copy
*
* @param el - HTML element
*
* @returns Extracted text
*/
function extract(el: HTMLElement): string {
el.setAttribute("data-md-copying", "")
const copy = el.closest("[data-copy]")
const text = copy
? copy.getAttribute("data-copy")!
: el.innerText
el.removeAttribute("data-md-copying")
return text
}
/* ----------------------------------------------------------------------------
* Functions
* ------------------------------------------------------------------------- */
/**
* Set up Clipboard.js integration
*
* @param options - Options
*/
export function setupClipboardJS(
{ alert$ }: SetupOptions
): void {
if (ClipboardJS.isSupported()) {
new Observable<ClipboardJS.Event>(subscriber => {
new ClipboardJS("[data-clipboard-target], [data-clipboard-text]", {
text: el => (
el.getAttribute("data-clipboard-text")! ||
extract(getElement(
el.getAttribute("data-clipboard-target")!
))
)
})
.on("success", ev => subscriber.next(ev))
})
.pipe(
tap(ev => {
const trigger = ev.trigger as HTMLElement
trigger.focus()
}),
map(() => translation("clipboard.copied"))
)
.subscribe(alert$)
}
}
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