@biomejs/biome@2.4.13
biomejs/biome@biomejs/biome@2.4.13Apr 23, 2026by github-actions[bot]
AI Summary
This release adds new nursery rules specific to React Native and general DOM linting, fixes various parser crashes in Svelte and Markdown files, and improves CSS formatting for SCSS maps.
Key Highlights
- Added React Native rules: `noReactNativeDeepImports`, `noReactNativeLiteralColors`, and `noReactNativeRawText`.
- Added `noUnnecessaryTemplateExpression` rule for redundant template literals.
- Added `useDomNodeTextContent` and `useDomQuerySelector` rules.
- Fixed parser crash when parsing Svelte files containing `{#}`.
- Fixed SCSS map formatting to align value layout.
New Features
- Added `noReactNativeDeepImports` rule.
- Added `noReactNativeLiteralColors` rule.
- Added `noReactNativeRawText` rule.
- Added `noUnnecessaryTemplateExpression` rule.
- Added `useDomNodeTextContent` rule.
Full Release Notes
## 2.4.13
### Patch Changes
- [#9969](https://github.com/biomejs/biome/pull/9969) [`c5eb92b`](https://github.com/biomejs/biome/commit/c5eb92ba288ba13698b37e43617eed5339ad7007) Thanks [@officialasishkumar](https://github.com/officialasishkumar)! - Added the nursery rule [`noUnnecessaryTemplateExpression`](https://biomejs.dev/linter/rules/no-unnecessary-template-expression/), which disallows template literals that only contain string literal expressions. These can be replaced with a simpler string literal.
For example, the following code triggers the rule:
```js
const a = `${"hello"}`; // can be 'hello'
const b = `${"prefix"}_suffix`; // can be 'prefix_suffix'
const c = `${"a"}${"b"}`; // can be 'ab'
```
- [#10037](https://github.com/biomejs/biome/pull/10037) [`f785e8c`](https://github.com/biomejs/biome/commit/f785e8c604879dd3dd17b53aae0e2feef4026c82) Thanks [@minseong0324](https://github.com/minseong0324)! - Fixed [#9810](https://github.com/biomejs/biome/issues/9810): [`noMisleadingReturnType`](https://biomejs.dev/linter/rules/no-misleading-return-type/) no longer reports false positives on a getter with a matching setter in the same namespace.
```ts
class Store {
get status(): string {
if (Math.random() > 0.5) return "loading";
return "idle";
}
set status(v: string) {}
}
```
- [#10084](https://github.com/biomejs/biome/pull/10084) [`5e2f90c`](https://github.com/biomejs/biome/commit/5e2f90c045b4bd7006c96a9df123303d6c24e1d8) Thanks [@jiwon79](https://github.com/jiwon79)! - Fixed [#10034](https://github.com/biomejs/biome/issues/10034): [`noUselessEscapeInRegex`](https://biomejs.dev/linter/rules/no-useless-escape-in-regex/) no longer flags escapes of `ClassSetReservedPunctuator` characters (`&`, `!`, `#`, `%`, `,`, `:`, `;`, `<`, `=`, `>`, `@`, `` ` ``, `~`) inside `v`-flag character classes as useless. These characters are reserved as individual code points in `v`-mode, so the escape is required.
The following pattern is now considered valid:
```js
/[a-z\&]/v;
```
- [#10063](https://github.com/biomejs/biome/pull/10063) [`c9ffa16`](https://github.com/biomejs/biome/commit/c9ffa16491c9f8c003eb945796911564fc981b71) Thanks [@Netail](https://github.com/Netail)! - Added extra rule sources from ESLint CSS. `biome migrate eslint` should do a bit better detecting rules in your eslint configurations.
- [#10035](https://github.com/biomejs/biome/pull/10035) [`946b50e`](https://github.com/biomejs/biome/commit/946b50e173e8c89a2d2b303cb159a05cbd068767) Thanks [@Netail](https://github.com/Netail)! - Fixed [#10032](https://github.com/biomejs/biome/issues/10032): [useIframeSandbox](https://biomejs.dev/linter/rules/use-iframe-sandbox/) now flags if there's no initializer value.
- [#9865](https://github.com/biomejs/biome/pull/9865) [`68fb8d4`](https://github.com/biomejs/biome/commit/68fb8d468c01732c4283a336eca42223983df09b) Thanks [@dyc3](https://github.com/dyc3)! - Added the new nursery rule [`useDomNodeTextContent`](https://biomejs.dev/linter/rules/use-dom-node-text-content/), which prefers `textContent` over `innerText` for DOM node text access and destructuring.
For example, the following snippet triggers the rule:
```js
const foo = node.innerText;
```
- [#10023](https://github.com/biomejs/biome/pull/10023) [`bd1e74f`](https://github.com/biomejs/biome/commit/bd1e74fd80b0cadafd091513950275e0ff75d80f) Thanks [@ematipico](https://github.com/ematipico)! - Added a new nursery rule [`noReactNativeDeepImports`](https://biomejs.dev/linter/rules/no-react-native-deep-imports/) that disallows deep imports from the `react-native` package. Internal paths like `react-native/Libraries/...` are not part of the public API and may change between versions.
For example, the following code triggers the rule:
```js
import View from "react-native/Libraries/Components/View/View";
```
- [#9885](https://github.com/biomejs/biome/pull/9885) [`3dce737`](https://github.com/biomejs/biome/commit/3dce737e5050cfda7d2b9be8f809aee417f01196) Thanks [@dyc3](https://github.com/dyc3)! - Added a new nursery rule [`useDomQuerySelector`](https://biomejs.dev/linter/rules/use-dom-query-selector/) that prefers `querySelector()` and `querySelectorAll()` over older DOM query methods such as `getElementById()` and `getElementsByClassName()`.
- [#9995](https://github.com/biomejs/biome/pull/9995) [`4da9caf`](https://github.com/biomejs/biome/commit/4da9caf8281473177fac3332610c710b31e89546) Thanks [@siketyan](https://github.com/siketyan)! - Fixed [#9994](https://github.com/biomejs/biome/issues/9994): Biome now parses nested CSS rules correctly when declarations follow them inside embedded snippets.
- [#10009](https://github.com/biomejs/biome/pull/10009) [`b41cc5a`](https://github.com/biomejs/biome/commit/b41cc5a58c74fd6b237352c1772e64e74fcc7546) Thanks [@Jayllyz](https://github.com/Jayllyz)! - Fixed [#10004](https://github.com/biomejs/biome/issues/10004): [`noComponentHookFactories`](https://biomejs.dev/linter/rules/no-component-hook-factories/) no longer reports false positives for object methods and class methods.
- [#9988](https://github.com/biomejs/biome/pull/9988) [`eabf54a`](https://github.com/biomejs/biome/commit/eabf54ad03c6c1d63753a641c8ad1ef385e42d2b) Thanks [@Netail](https://github.com/Netail)! - Tweaked the diagnostics range for [useAltText](https://biomejs.dev/linter/rules/use-alt-text), [useButtonType](https://biomejs.dev/linter/rules/use-button-type), [useHtmlLang](https://biomejs.dev/linter/rules/use-html-lang), [useIframeTitle](https://biomejs.dev/linter/rules/use-iframe-title), [useValidAriaRole](https://biomejs.dev/linter/rules/use-valid-aria-role) & [useIfameSandbox](https://biomejs.dev/linter/rules/use-iframe-sandbox) to report on the opening tag instead of the full tag.
- [#10043](https://github.com/biomejs/biome/pull/10043) [`fc65902`](https://github.com/biomejs/biome/commit/fc65902f17cd548ae38ff916462291b51a32e356) Thanks [@mujpao](https://github.com/mujpao)! - Fixed [#10003](https://github.com/biomejs/biome/issues/10003): Biome no longer panics when parsing Svelte files containing `{#}`.
- [#9815](https://github.com/biomejs/biome/pull/9815) [`5cc83b1`](https://github.com/biomejs/biome/commit/5cc83b177830bc21dc4d6e18343f58eca4ee0de6) Thanks [@dyc3](https://github.com/dyc3)! - Added the new nursery rule [`noLoopFunc`](https://biomejs.dev/linter/rules/no-loop-func/). When enabled, it warns when a function declared inside a loop captures outer variables that can change across iterations.
- [#9702](https://github.com/biomejs/biome/pull/9702) [`ef470ba`](https://github.com/biomejs/biome/commit/ef470ba2db119aa52c24f918bcef451cf2770ccb) Thanks [@ryan-m-walker](https://github.com/ryan-m-walker)! - Added the nursery rule [`useRegexpTest`](https://biomejs.dev/linter/rules/use-regexp-test/) that enforces `RegExp.prototype.test()` over `String.prototype.match()` and `RegExp.prototype.exec()` in boolean contexts. `test()` returns a boolean directly, avoiding unnecessary computation of match results.
**Invalid**
```js
if ("hello world".match(/hello/)) {
}
```
**Valid**
```js
if (/hello/.test("hello world")) {
}
```
- [#9743](https://github.com/biomejs/biome/pull/9743) [`245307d`](https://github.com/biomejs/biome/commit/245307dc4ee7af87f62873162107b608084d40f3) Thanks [@leetdavid](https://github.com/leetdavid)! - Fixed [#2245](https://github.com/biomejs/biome/issues/2245): Svelte `<script>` tag language detection when the `generics` attribute contains `>` characters (e.g., `<script lang="ts" generics="T extends Record<string, unknown>">`). Biome now correctly recognizes TypeScript in such script blocks.
- [#10046](https://github.com/biomejs/biome/pull/10046) [`0707de7`](https://github.com/biomejs/biome/commit/0707de7d72f0c5e14f4d5c91524ad2a9d1f50b34) Thanks [@Conaclos](https://github.com/Conaclos)! - Fixed [#10038](https://github.com/biomejs/biome/issues/10038): [`organizeImports`](https://biomejs.dev/assist/actions/organize-imports/) now sorts imports in TypeScript modules and declaration files.
```diff
declare module "mymodule" {
- import type { B } from "b";
import type { A } from "a";
+ import type { B } from "b";
}
```
- [#10012](https://github.com/biomejs/biome/pull/10012) [`94ccca9`](https://github.com/biomejs/biome/commit/94ccca96800e73732b3f26d7eb21a5e3e025e51e) Thanks [@ematipico](https://github.com/ematipico)! - Added the nursery rule [`noReactNativeLiteralColors`](https://biomejs.dev/linter/rules/no-react-native-literal-colors/), which disallows color literals inside React Native styles.
The rule belongs to the `reactNative` domain. It reports properties whose name contains `color` and whose value is a string literal when they appear inside a `StyleSheet.create(...)` call or inside a JSX attribute whose name contains `style`.
```jsx
// Invalid
const Hello = () => <Text style={{ backgroundColor: "#FFFFFF" }}>hi</Text>;
const styles = StyleSheet.create({
text: { color: "red" },
});
```
```jsx
// Valid
const red = "#f00";
const styles = StyleSheet.create({
text: { color: red },
});
```
- [#10005](https://github.com/biomejs/biome/pull/10005) [`131019e`](https://github.com/biomejs/biome/commit/131019e161b69fd755742ba509b1c51fcb2af183) Thanks [@ematipico](https://github.com/ematipico)! - Added the nursery rule [`noReactNativeRawText`](https://biomejs.dev/linter/rules/no-react-native-raw-text/), which disallows raw text outside of `<Text>` components in React Native.
The rule belongs to the new `reactNative` domain.
```jsx
// Invalid
<View>some text</View>
<View>{'some text'}</View>
```
```jsx
// Valid
<View>
<Text>some text</Text>
</View>
```
Additional components can be allowlisted through the `skip` option:
```json
{
"options": {
"skip": ["Title"]
}
}
```
- [#9911](https://github.com/biomejs/biome/pull/9911) [`1603f78`](https://github.com/biomejs/biome/commit/1603f7893c9e249439fc3c22c02ec1a363cc54b9) Thanks [@Netail](https://github.com/Netail)! - Added the nursery rule [`noJsxLeakedDollar`](https://biomejs.dev/linter/rules/no-jsx-leaked-dollar), which flags text nodes with a trailing `$` if the next sibling node is a JSX expression. This could be an unintentional mistake, resulting in a '$' being rendered as text in the output.
**Invalid**:
```jsx
function MyComponent({ user }) {
return <div>Hello ${user.name}</div>;
}
```
- [#9999](https://github.com/biomejs/biome/pull/9999) [`f42405f`](https://github.com/biomejs/biome/commit/f42405fca77302bbbca573474c59ae49f027f75d) Thanks [@minseong0324](https://github.com/minseong0324)! - Fixed `noMisleadingReturnType` incorrectly flagging functions with reassigned `let` variables.
- [#10075](https://github.com/biomejs/biome/pull/10075) [`295f97f`](https://github.com/biomejs/biome/commit/295f97fd538779eb9cc35b5bf54d37a90e0b5e9b) Thanks [@ematipico](https://github.com/ematipico)! - Fixed [`#9983`](https://github.com/biomejs/biome/issues/9983): Biome now parses functions declared inside Svelte `#snippet` blocks without throwing errors.
- [#10006](https://github.com/biomejs/biome/pull/10006) [`cf4c1c9`](https://github.com/biomejs/biome/commit/cf4c1c943a53612648d052d843aaf977652c79d6) Thanks [@minseong0324](https://github.com/minseong0324)! - Fixed [#9810](https://github.com/biomejs/biome/issues/9810): `noMisleadingReturnType` incorrectly flagging nested object literals with widened properties.
- [#10033](https://github.com/biomejs/biome/pull/10033) [`11ddc05`](https://github.com/biomejs/biome/commit/11ddc05713a1cb85b6748c865ee9dda91235a5d1) Thanks [@ematipico](https://github.com/ematipico)! - Added the nursery rule [`useReactNativePlatformComponents`](https://biomejs.dev/linter/rules/use-react-native-platform-components/) that ensures platform-specific React Native components (e.g. `ProgressBarAndroid`, `ActivityIndicatorIOS`) are only imported in files with a matching platform suffix. It also reports when Android and iOS components are mixed in the same file.
The following code triggers the rule when the file does not have an `.android.js` suffix:
```js
// file.js
import { ProgressBarAndroid } from "react-native";
```
## What's Changed
* docs(orgnizeImports): revamp user-facing docs by @Conaclos in https://github.com/biomejs/biome/pull/9987
* fix(md): code info string, and fmt advancement by @ematipico in https://github.com/biomejs/biome/pull/9979
* fix(service): detect script language in Svelte files with generics attribute by @leetdavid in https://github.com/biomejs/biome/pull/9743
* chore: abstract html tag matcher by @Netail in https://github.com/biomejs/biome/pull/9988
* chore(deps): update rustls-webpki to 0.103.12 by @siketyan in https://github.com/biomejs/biome/pull/9996
* fix(parser/css): handle nested rules in embedded snippets by @siketyan in https://github.com/biomejs/biome/pull/9995
* chore: fix some node vulnerabilities by @Netail in https://github.com/biomejs/biome/pull/10001
* chore: fix more node vulnerabilities by @Netail in https://github.com/biomejs/biome/pull/10002
* feat(lint): implement use useRegexpTest nursery rule by @ryan-m-walker in https://github.com/biomejs/biome/pull/9702
* feat(css): implement shared CSS scanner for parsing SCSS interpolations and URL bodies by @denbezrukov in https://github.com/biomejs/biome/pull/9948
* feat(fmt/md): ordered lists and space normalization by @ematipico in https://github.com/biomejs/biome/pull/9998
* chore: update rand & thin-vec by @Netail in https://github.com/biomejs/biome/pull/10008
* fix(lint/js): false positives in `noComponentHookFactories` by @Jayllyz in https://github.com/biomejs/biome/pull/10009
* feat(lint): add `noReactNativeRawText` by @ematipico in https://github.com/biomejs/biome/pull/10005
* refactor(css): rename scss declaration and module access syntax by @denbezrukov in https://github.com/biomejs/biome/pull/10014
* fix(markdown_parser): handle tab-separated container markers by @jfmcdowell in https://github.com/biomejs/biome/pull/9965
* chore: cleanup tests by @Netail in https://github.com/biomejs/biome/pull/10016
* feat(lint/js): add `useDomQuerySelector` by @dyc3 in https://github.com/biomejs/biome/pull/9885
* test(formatter): retain formatter failures in prettier snapshots by @denbezrukov in https://github.com/biomejs/biome/pull/10018
* feat(css): support unquoted concatenation in SCSS interpolation expressions by @denbezrukov in https://github.com/biomejs/biome/pull/10020
* test(css_formatter): import prettier scss mirror by @denbezrukov in https://github.com/biomejs/biome/pull/10025
* refactor(tests): reorganize SCSS test specs into standalone `scss` module by @denbezrukov in https://github.com/biomejs/biome/pull/10030
* test(prettier-compare): add scss compare support by @denbezrukov in https://github.com/biomejs/biome/pull/10031
* fix(lint): fix false positive in noMisleadingReturnType for mutable bindings by @minseong0324 in https://github.com/biomejs/biome/pull/9999
* feat(lint): add `noReactNativeLiteralColors` by @ematipico in https://github.com/biomejs/biome/pull/10012
* fix(lint): fix false positive in noMisleadingReturnType for nested object widening by @minseong0324 in https://github.com/biomejs/biome/pull/10006
* feat(lint/js): add `useDomNodeTextContent` by @dyc3 in https://github.com/biomejs/biome/pull/9865
* feat(lint): add react native deep import rule by @ematipico in https://github.com/biomejs/biome/pull/10023
* feat(lint/js): add `noLoopFunc` by @dyc3 in https://github.com/biomejs/biome/pull/9815
* fix(organizeImports): sorts imports in ts modules and declaration files by @Conaclos in https://github.com/biomejs/biome/pull/10046
* feat(linter): add nursery rule noUnnecessaryTemplateExpression by @officialasishkumar in https://github.com/biomejs/biome/pull/9969
* chore: delete old unused options files by @Netail in https://github.com/biomejs/biome/pull/10047
* fix(js_analyze): flag useIframeSandbox non initializer value by @Netail in https://github.com/biomejs/biome/pull/10035
* feat(js_analyze): implement noJsxLeakedDollar by @Netail in https://github.com/biomejs/biome/pull/9911
* fix(markdown_parser): trim trailing newline in tight lists inside blockquotes by @jfmcdowell in https://github.com/biomejs/biome/pull/9976
* chore: some improvements by @Netail in https://github.com/biomejs/biome/pull/10050
* chore(deps): update rust:1.94.1-trixie docker digest to 652612f by @renovate[bot] in https://github.com/biomejs/biome/pull/10055
* chore(deps): update dependency tombi to v0.9.18 by @renovate[bot] in https://github.com/biomejs/biome/pull/10056
* chore(deps): update github-actions by @renovate[bot] in https://github.com/biomejs/biome/pull/10057
* chore(deps): update rust crate bpaf to 0.9.25 by @renovate[bot] in https://github.com/biomejs/biome/pull/10058
* chore(deps): update rust crate libc to 0.2.185 by @renovate[bot] in https://github.com/biomejs/biome/pull/10059
* fix(parser): fix crash when parsing Svelte templates by @mujpao in https://github.com/biomejs/biome/pull/10043
* chore: extra @eslint/css rule sources by @Netail in https://github.com/biomejs/biome/pull/10063
* fix(lint): fix false positive in noMisleadingReturnType for getter with matching setter by @minseong0324 in https://github.com/biomejs/biome/pull/10037
* fix(core): parsing of svelte snippets by @ematipico in https://github.com/biomejs/biome/pull/10075
* test(fmt): improve ignored files by @ematipico in https://github.com/biomejs/biome/pull/10068
* feat(lint): add useReactNativePlatformComponents rule and options by @ematipico in https://github.com/biomejs/biome/pull/10033
* feat(css_formatter): improve SCSS map formatting parity by @denbezrukov in https://github.com/biomejs/biome/pull/10076
* chore: resolve rustls-webpki advisory by @dyc3 in https://github.com/biomejs/biome/pull/10085
* fix(codegen): escape doc comments by @dyc3 in https://github.com/biomejs/biome/pull/10086
* fix(analyzer): noUselessEscapeInRegex preserves required v-flag escapes by @jiwon79 in https://github.com/biomejs/biome/pull/10084
* perf(lint): avoid string allocations in some lint rules by @dyc3 in https://github.com/biomejs/biome/pull/10088
* perf(lint): reduce string allocations, part 2 by @dyc3 in https://github.com/biomejs/biome/pull/10093
* ci: release by @github-actions[bot] in https://github.com/biomejs/biome/pull/9991
## New Contributors
* @leetdavid made their first contribution in https://github.com/biomejs/biome/pull/9743
* @officialasishkumar made their first contribution in https://github.com/biomejs/biome/pull/9969
* @jiwon79 made their first contribution in https://github.com/biomejs/biome/pull/10084
**Full Changelog**: https://github.com/biomejs/biome/compare/@biomejs/biome@2.4.12...@biomejs/biome@2.4.13