gnezim
30 lines
580 B
JavaScript
30 lines
580 B
JavaScript
'use strict'
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var toString = require('mdast-util-to-string')
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var visit = require('unist-util-visit')
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var slugs = require('github-slugger')()
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module.exports = slug
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function slug() {
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return transformer
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}
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// Patch slugs on heading nodes.
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function transformer(ast) {
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slugs.reset()
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visit(ast, 'heading', visitor)
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function visitor(node) {
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var data = node.data || (node.data = {})
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var props = data.hProperties || (data.hProperties = {})
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var id = props.id
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id = id ? slugs.slug(id, true) : slugs.slug(toString(node))
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data.id = id
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props.id = id
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}
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}
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