sgauthier
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49 lines
1010 B
JavaScript
49 lines
1010 B
JavaScript
'use strict'
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module.exports = code
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var has = require('hast-util-has-property')
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var convert = require('hast-util-is-element/convert')
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var toText = require('hast-util-to-text')
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var trim = require('trim-trailing-lines')
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var wrapText = require('../util/wrap-text')
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var prefix = 'language-'
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var pre = convert('pre')
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var isCode = convert('code')
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function code(h, node) {
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var children = node.children
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var index = -1
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var classList
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var lang
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if (pre(node)) {
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while (++index < children.length) {
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if (isCode(children[index]) && has(children[index], 'className')) {
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classList = children[index].properties.className
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break
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}
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}
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}
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if (classList) {
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index = -1
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while (++index < classList.length) {
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if (classList[index].slice(0, prefix.length) === prefix) {
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lang = classList[index].slice(prefix.length)
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break
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}
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}
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}
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return h(
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node,
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'code',
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{lang: lang || null, meta: null},
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trim(wrapText(h, toText(node)))
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)
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}
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