43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import { uniqify } from '@peertube/peertube-core-utils'
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import { WEBSERVER } from '@server/initializers/constants.js'
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import { actorNameAlphabet } from './custom-validators/activitypub/actor.js'
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import { regexpCapture } from './regexp.js'
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export function extractMentions (text: string, isOwned: boolean) {
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let result: string[] = []
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const localMention = `@(${actorNameAlphabet}+)`
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const remoteMention = `${localMention}@${WEBSERVER.HOST}`
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const mentionRegex = isOwned
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? '(?:(?:' + remoteMention + ')|(?:' + localMention + '))' // Include local mentions?
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: '(?:' + remoteMention + ')'
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const firstMentionRegex = new RegExp(`^${mentionRegex} `, 'g')
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const endMentionRegex = new RegExp(` ${mentionRegex}$`, 'g')
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const remoteMentionsRegex = new RegExp(' ' + remoteMention + ' ', 'g')
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result = result.concat(
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regexpCapture(text, firstMentionRegex)
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.map(([ , username1, username2 ]) => username1 || username2),
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regexpCapture(text, endMentionRegex)
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.map(([ , username1, username2 ]) => username1 || username2),
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regexpCapture(text, remoteMentionsRegex)
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.map(([ , username ]) => username)
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)
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// Include local mentions
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if (isOwned) {
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const localMentionsRegex = new RegExp(' ' + localMention + ' ', 'g')
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result = result.concat(
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regexpCapture(text, localMentionsRegex)
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.map(([ , username ]) => username)
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)
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}
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return uniqify(result)
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}
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