52 lines
1.2 KiB
JavaScript
52 lines
1.2 KiB
JavaScript
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/**
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* @typedef {import('hast').Element} Element
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* @typedef {import('hast').Properties} Properties
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* @typedef {import('mdast').Code} Code
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* @typedef {import('../state.js').State} State
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*/
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/**
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* Turn an mdast `code` node into hast.
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*
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* @param {State} state
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* Info passed around.
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* @param {Code} node
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* mdast node.
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* @returns {Element}
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* hast node.
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*/
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export function code(state, node) {
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const value = node.value ? node.value + '\n' : ''
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// To do: next major, use `node.lang` w/o regex, the splitting’s been going
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// on for years in remark now.
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const lang = node.lang ? node.lang.match(/^[^ \t]+(?=[ \t]|$)/) : null
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/** @type {Properties} */
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const properties = {}
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if (lang) {
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properties.className = ['language-' + lang]
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}
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// Create `<code>`.
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/** @type {Element} */
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let result = {
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type: 'element',
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tagName: 'code',
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properties,
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children: [{type: 'text', value}]
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}
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if (node.meta) {
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result.data = {meta: node.meta}
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}
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state.patch(node, result)
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result = state.applyData(node, result)
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// Create `<pre>`.
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result = {type: 'element', tagName: 'pre', properties: {}, children: [result]}
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state.patch(node, result)
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return result
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}
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