53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
'use strict'
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var modifyChildren = require('unist-util-modify-children')
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module.exports = modifyChildren(mergeNonWordSentences)
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// Merge a sentence into the following sentence, when the sentence does not
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// contain word tokens.
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function mergeNonWordSentences(child, index, parent) {
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var children = child.children
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var position = -1
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var prev
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var next
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while (children[++position]) {
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if (children[position].type === 'WordNode') {
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return
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}
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}
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prev = parent.children[index - 1]
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if (prev) {
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prev.children = prev.children.concat(children)
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// Remove the child.
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parent.children.splice(index, 1)
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// Patch position.
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if (prev.position && child.position) {
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prev.position.end = child.position.end
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}
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// Next, iterate over the node *now* at the current position (which was the
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// next node).
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return index
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}
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next = parent.children[index + 1]
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if (next) {
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next.children = children.concat(next.children)
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// Patch position.
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if (next.position && child.position) {
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next.position.start = child.position.start
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}
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// Remove the child.
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parent.children.splice(index, 1)
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}
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}
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