32 lines
929 B
JavaScript
32 lines
929 B
JavaScript
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import { visit } from 'unist-util-visit'
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export default function remarkFilterUnicode () {
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return (tree) => {
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try {
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visit(tree, 'paragraph', (node) => {
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node.children = node.children.map(child => {
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if (child.type !== 'inlineMath') return child
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// if inline math contains currency symbols, rehypeMathjax will throw
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// see https://github.com/stackernews/stacker.news/issues/1525
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// and https://github.com/stackernews/stacker.news/pull/1526
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let { hChildren } = child.data
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hChildren = hChildren.map(child2 => {
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return { ...child2, value: filterUnicode(child2.value) }
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})
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child.data.hChildren = hChildren
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return { ...child, value: filterUnicode(child.value) }
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})
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})
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} catch (err) {
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console.error(err)
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}
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}
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}
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function filterUnicode (text) {
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return text.replace(/\p{Sc}/u, '')
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}
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