sgauthier
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38 lines
697 B
JavaScript
38 lines
697 B
JavaScript
'use strict'
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var convert = require('unist-util-is/convert')
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module.exports = findAfter
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function findAfter(parent, index, test) {
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var is = convert(test)
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var children
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var child
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var length
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if (!parent || !parent.type || !parent.children) {
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throw new Error('Expected parent node')
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}
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children = parent.children
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length = children.length
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if (index && index.type) {
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index = children.indexOf(index)
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}
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if (isNaN(index) || index < 0 || index === Infinity) {
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throw new Error('Expected positive finite index or child node')
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}
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while (++index < length) {
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child = children[index]
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if (is(child, index, parent)) {
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return child
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}
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}
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return null
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}
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