48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
import {toString} from 'nlcst-to-string'
|
|
import {modifyChildren} from 'unist-util-modify-children'
|
|
|
|
// Initial lowercase letter.
|
|
import {lowerInitial} from '../expressions.js'
|
|
|
|
// Merge a sentence into its previous sentence, when the sentence starts with a
|
|
// lower case letter.
|
|
export const mergeInitialLowerCaseLetterSentences = modifyChildren(function (
|
|
child,
|
|
index,
|
|
parent
|
|
) {
|
|
const children = child.children
|
|
|
|
if (children && children.length > 0 && index > 0) {
|
|
let position = -1
|
|
|
|
while (children[++position]) {
|
|
const node = children[position]
|
|
|
|
if (node.type === 'WordNode') {
|
|
if (!lowerInitial.test(toString(node))) {
|
|
return
|
|
}
|
|
|
|
const siblings = parent.children
|
|
const previous = siblings[index - 1]
|
|
|
|
previous.children = previous.children.concat(children)
|
|
|
|
siblings.splice(index, 1)
|
|
|
|
// Update position.
|
|
if (previous.position && child.position) {
|
|
previous.position.end = child.position.end
|
|
}
|
|
|
|
// Next, iterate over the node *now* at the current position.
|
|
return index
|
|
}
|
|
|
|
if (node.type === 'SymbolNode' || node.type === 'PunctuationNode') {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
})
|