39 lines
793 B
JavaScript
39 lines
793 B
JavaScript
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import findAndReplace from 'mdast-util-find-and-replace'
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const userGroup = '[\\w_]+'
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const mentionRegex = new RegExp(
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'@(' + userGroup + '(?:\\/' + userGroup + ')?)',
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'gi'
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)
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export default function mention (options) {
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return function transformer (tree) {
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findAndReplace(
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tree,
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[
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[mentionRegex, replaceMention]
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],
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{ ignore: ['link', 'linkReference'] }
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)
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}
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function replaceMention (value, username, match) {
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if (
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/[\w`]/.test(match.input.charAt(match.index - 1)) ||
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/[/\w`]/.test(match.input.charAt(match.index + value.length))
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) {
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return false
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}
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const node = { type: 'text', value: value }
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return {
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type: 'link',
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title: null,
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url: '/' + username,
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children: [node]
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}
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}
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}
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