Files
mkdocs-material/src/assets/javascripts/integrations/clipboard/index.ts
2020-02-19 15:45:52 +01:00

85 lines
2.8 KiB
TypeScript

/*
* Copyright (c) 2016-2020 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 * as ClipboardJS from "clipboard"
import { NEVER, Observable, fromEventPattern } from "rxjs"
import { shareReplay } from "rxjs/operators"
import { getElements } from "observables"
import { renderClipboard } from "templates"
/* ----------------------------------------------------------------------------
* Helper types
* ------------------------------------------------------------------------- */
/**
* Setup options
*/
interface SetupOptions {
document$: Observable<Document> /* Document observable */
}
/* ----------------------------------------------------------------------------
* Functions
* ------------------------------------------------------------------------- */
/**
* Setup clipboard
*
* This function implements the Clipboard.js integration and injects a button
* into all code blocks when the document changes.
*
* @param options - Options
*
* @return Clipboard observable
*/
export function setupClipboard(
{ document$ }: SetupOptions
): Observable<ClipboardJS.Event> {
if (!ClipboardJS.isSupported())
return NEVER
/* Inject 'copy-to-clipboard' buttons */
document$
.subscribe(() => {
const blocks = getElements("pre > code")
for (const [index, block] of blocks.entries()) {
const parent = block.parentElement!
parent.id = `__code_${index}`
parent.insertBefore(renderClipboard(parent.id), block)
}
})
/* Initialize and setup clipboard */
const clipboard$ = fromEventPattern<ClipboardJS.Event>(next => {
new ClipboardJS(".md-clipboard").on("success", next)
})
// TODO: integrate rendering of dialog
/* */
return clipboard$
.pipe(
shareReplay(1)
)
}