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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$)
- }
-}