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28600d6508
* Change copyright year from 2020 to 2021 Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de> * Change copyright year in jetbrains copyright template Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
25 lines
1,000 B
TypeScript
25 lines
1,000 B
TypeScript
/*
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* SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { RegexOptions } from '../../../../external-types/markdown-it-regex/interface'
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const protocolRegex = /(?:http(?:s)?:\/\/)?/
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const subdomainRegex = /(?:www.)?/
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const pathRegex = /(?:youtube(?:-nocookie)?\.com\/(?:[^\\/]+\/.+\/|(?:v|e(?:mbed)?)\/|.*[?&]v=)|youtu\.be\/)/
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const idRegex = /([^"&?\\/\s]{11})/
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const tailRegex = /(?:[?&#].*)?/
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const youtubeVideoUrlRegex = new RegExp(`(?:${protocolRegex.source}${subdomainRegex.source}${pathRegex.source}${idRegex.source}${tailRegex.source})`)
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const linkRegex = new RegExp(`^${youtubeVideoUrlRegex.source}$`, 'i')
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export const replaceYouTubeLink: RegexOptions = {
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name: 'youtube-link',
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regex: linkRegex,
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replace: (match) => {
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// ESLint wants to collapse this tag, but then the tag won't be valid html anymore.
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// noinspection CheckTagEmptyBody
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return `<app-youtube id="${match}"></app-youtube>`
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}
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}
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