mirror of https://github.com/explosion/spaCy.git
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
import { visit } from 'unist-util-visit'
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import { replacements } from '../meta/dynamicMeta.mjs'
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const prefix = '%%'
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// Attaches prefix to the start of the string.
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const attachPrefix = (str) => (prefix || '') + str
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// RegExp to find any replacement keys.
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const regexp = RegExp(
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'(' +
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Object.keys(replacements)
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.map((key) => attachPrefix(key))
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.join('|') +
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')',
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'g'
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)
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// Removes prefix from the start of the string.
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const stripPrefix = (str) => (prefix ? str.replace(RegExp(`^${prefix}`), '') : str)
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const replacer = (_match, name) => replacements[stripPrefix(name)]
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const remarkFindAndReplace = () => (markdownAST) => {
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// Go through all text, html, code, inline code, and links.
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visit(markdownAST, ['text', 'html', 'code', 'link'], (node) => {
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if (node.type === 'link') {
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// For links, the text value is replaced by text node, so we change the
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// URL value.
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const processedText = node.url.replace(regexp, replacer)
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node.url = processedText
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} else {
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// For all other nodes, replace the node value.
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const processedText = node.value.replace(regexp, replacer)
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node.value = processedText
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}
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})
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return markdownAST
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}
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export default remarkFindAndReplace
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