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Fix logic for updating foldable range cache

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This commit is contained in:
Max Brunsfeld
2018-07-18 17:09:47 -07:00
parent 84b2ba742d
commit c9a4bb4245
1 changed files with 4 additions and 7 deletions
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11
src/tree-sitter-language-mode.js
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@@ -41,15 +41,12 @@ class TreeSitterLanguageMode {
this.emitRangeUpdate = this.emitRangeUpdate.bind(this)
this.subscription = this.buffer.onDidChangeText(({changes}) => {
for (let i = changes.length - 1; i >= 0; i--) {
for (let i = 0, {length} = changes; i < length; i++) {
const {oldRange, newRange} = changes[i]
const startRow = oldRange.start.row
const oldEndRow = oldRange.end.row
const newEndRow = newRange.end.row
this.isFoldableCache.splice(
startRow,
oldEndRow - startRow,
...new Array(newEndRow - startRow)
newRange.start.row,
oldRange.end.row - oldRange.start.row,
...new Array(newRange.end.row - newRange.start.row)
)
}