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Fix string.insert with negative indices (#1598)

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Jennifer Thakar 2022-01-13 16:40:02 -08:00 committed by GitHub
parent 8fd0ffdb4b
commit e1fcbaaf36
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3 changed files with 7 additions and 3 deletions
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6
CHANGELOG.md
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@ -1,3 +1,7 @@
## 1.48.1
* Fix a bug in `string.insert` with certain negative indices.
## 1.48.0
### JS API
@ -23,7 +27,7 @@
* **Potentially breaking bug fix:** Match the specification of the new JS API by
passing `undefined` rather than `null` to `Logger.warn()` for an unset `span`.
#### TypeScript Declarations
* Add a declaration for the `LegacyPluginThis.options.context` field.

2
lib/src/functions/string.dart
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@ -66,7 +66,7 @@ final _insert = _function("insert", r"$string, $insert, $index", (arguments) {
if (indexInt < 0) {
// +1 because negative indexes start counting from -1 rather than 0, and
// another +1 because we want to insert *after* that index.
indexInt = string.sassLength + indexInt + 2;
indexInt = math.max(string.sassLength + indexInt + 2, 0);
}
var codepointIndex = _codepointForIndex(indexInt, string.sassLength);

2
pubspec.yaml
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@ -1,5 +1,5 @@
name: sass
version: 1.48.0
version: 1.48.1-dev
description: A Sass implementation in Dart.
homepage: https://github.com/sass/dart-sass