44 lines
913 B
JavaScript
44 lines
913 B
JavaScript
'use strict'
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module.exports = parse
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var search = /[#.]/g
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// Create a hast element from a simple CSS selector.
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function parse(selector, defaultTagName) {
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var value = selector || ''
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var name = defaultTagName || 'div'
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var props = {}
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var start = 0
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var subvalue
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var previous
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var match
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while (start < value.length) {
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search.lastIndex = start
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match = search.exec(value)
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subvalue = value.slice(start, match ? match.index : value.length)
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if (subvalue) {
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if (!previous) {
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name = subvalue
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} else if (previous === '#') {
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props.id = subvalue
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} else if (props.className) {
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props.className.push(subvalue)
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} else {
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props.className = [subvalue]
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}
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start += subvalue.length
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}
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if (match) {
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previous = match[0]
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start++
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}
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}
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return {type: 'element', tagName: name, properties: props, children: []}
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}
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