CLI

New features

• GritQL queries that match functions or methods will now match async functions or methods as well.

  If this is not what you want, you can capture the async keyword (or its absence) in a metavariable and assert its emptiness:

  $async function foo() {} where $async <: .
  

  Contributed by @arendjr

Bug fixes

• Fix #4077: Grit queries no longer need to match the statement's trailing semicolon. Contributed by @arendjr

• Fix #4102. Now the CLI command lint doesn't exit with an error code when using --write/--fix. Contributed by @ematipico

Configuration

Bug fixes

• Fix #4125, where noLabelWithoutControl options where incorrectly marked as mandatory. Contributed by @ematipico

Editors

• Fix a case where CSS files weren't correctly linted using the default configuration. Contributed by @ematipico

Formatter

Bug fixes

• Fix #3924 where GraphQL formatter panics in block comments with empty line. Contributed by @vohoanglong0107

• Fix a case where raw values inside url() functions weren't properly trimmed.

  .value {
  -  background: url(
  -   whitespace-around-string
  -  );
  + background: url(whitespace-around-string);
  }
  

  Contributed by @ematipico

• Fixed #4076, where a media query wasn't correctly formatted:

  .class {
  -  @media (1024px <= width <=1280px) {
  +  @media (1024px <= width <= 1280px) {
     color: red;
     }
  }
  

  Contributed by @blaze-d83

JavaScript API

Bug fixes

• Fix #3881, by updating the APIs to use the latest WASM changes. Contributed by @ematipico

Linter

New features

• Add noDescendingSpecificity. Contributed by @tunamaguro

• Add noNestedTernary. Contributed by @kaykdm

• Add noTemplateCurlyInString. Contributed by @fireairforce

• Add noOctalEscape. Contributed by @fireairforce

Bug fixes

• noControlCharactersInRegex no longer panics on regexes with incomplete escape sequences. Contributed by @Conaclos

• noMisleadingCharacterClass no longer reports issues outside of character classes.

  The following code is no longer reported:

  /[a-z]👍/;
  

  Contributed by @Conaclos

• noUndeclaredDependencies no longer reports Node.js builtin modules as undeclared dependencies.

  The rule no longer reports the following code:

  import * as fs from "fs";
  

  Contributed by @Conaclos

• noUnusedVariables no longer panics when suggesting the renaming of a variable at the start of a file (#4114). Contributed by @Conaclos

• noUselessEscapeInRegex no longer panics on regexes that start with an empty character class. Contributed by @Conaclos

• noUselessStringConcat no longer panics when it encounters malformed code. Contributed by @Conaclos

• noUnusedFunctionParameters no longer reports unused parameters inside an object pattern with a rest parameter.

  In the following code, the rule no longer reports a as unused.

  function f({ a, ...rest }) {
    return rest;
  }
  

  This matches the behavior of noUnusedVariables.

  Contributed by @Conaclos

• useButtonType no longer reports dynamically created button with a valid type (#4072).

  The following code is no longer reported:

  React.createElement("button", { type: "button" }, "foo")
  

  Contributed by @Conaclos

• useSemanticElements now ignores elements with the img role (#3994).

  MDN recommends using role="img" for grouping images or creating an image from other elements. The following code is no longer reported:

  <div role="img" aria-label="That cat is so cute">
    <p>&#x1F408; &#x1F602;</p>
  </div>
  

  Contributed by @Conaclos

• useSemanticElements now ignores alert and alertdialog roles (#3858). Contributed by @Conaclos

• noUselessFragments don't create invaild JSX code when Fragments children contains JSX Expression and in a LogicalExpression. Contributed by @fireairforce

Parser

Bug fixes

• Forbid undefined as type name for typescript parser. Contributed by @fireairforce

What's Changed

Other changes

• fix(bench): typo in .prettierignore by @Jayllyz in https://github.com/biomejs/biome/pull/4134
• feat(formatter): implement formatting for GritQL root node by @arendjr in https://github.com/biomejs/biome/pull/4128
• feat(useExhaustiveDependencies): add option to disable errors for unecessary dependencies by @simon-paris in https://github.com/biomejs/biome/pull/4135
• perf(linter): remove unneeded memory allocation for str by @togami2864 in https://github.com/biomejs/biome/pull/4142
• fix: add missing word by @lanker in https://github.com/biomejs/biome/pull/4150

New Contributors

• @blaze-d83 made their first contribution in https://github.com/biomejs/biome/pull/4083
• @simon-paris made their first contribution in https://github.com/biomejs/biome/pull/4135

Full Changelog: https://github.com/biomejs/biome/compare/cli/v1.9.3-nightly.75b4387...cli/v1.9.3