github biomejs/biome @biomejs/biome@2.5.12
Biome CLI v2.5.12
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3 hours ago

2.5.12

Patch Changes

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed Astro attribute expressions rejecting TypeScript and JSX syntax that is accepted in text expressions. 

    <Component icon={<Icon />} count={total as number} onSelect={(e: Event) => e} />

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed Astro attribute names being split on : and . inside an expression, such as {x && <button x-on:keyup.enter={go} client:load.foo />}.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed a bare > in the children of an Astro expression being treated as markup, such as {x && <div>a > b</div>}.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed HTML comments inside an Astro expression failing to parse. They are now read as trivia, wherever they appear among the children. 

    {x && <div><!-- first -->text<!-- last --></div>}
{cond && <a></a><!-- c --><b></b>}

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed is:raw children inside an Astro expression being read as JSX, such as {x && <div is:raw>{not js} < & text</div>}.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed an apostrophe or quote in the text of a JSX element inside an Astro expression ending the expression early, such as {items.map((i) => <li>it's {i}</li>)}.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed the children of a <script> or <style> inside an Astro expression being read as JSX. Their contents are text, so braces and comparisons no longer have to be escaped. 

    {cond && <style>a { color: red }</style>}
{cond && <script>let x = {a: 1};</script>}

  • #11440 b88f1ea Thanks @Princesseuh! - Added support for template literal attribute values inside an Astro expression, such as {x && <C data-x=`t${x}` />}.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed unquoted attribute values being rejected inside an Astro expression, such as {x && <a class=foo maxlength=255 href=/about>go</a>}.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed a template literal nested inside ${} breaking the rest of an Astro file, such as const href = `/blog${page === 0 ? '' : `/${page + 1}`}`;.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed a quote inside a regex character class breaking the rest of an Astro file, such as const unsafe = /[/"]/;.

  • #11508 54f3a2e Thanks @dyc3! - Added the nursery rule useFlatMathMinMax. Because Math.min() and Math.max() accept any number of arguments, the rule reports unnecessary nested calls to the same method: 

    Math.max(Math.max(a, b), c);

    The fix flattens this expression to Math.max(a, b, c).

  • #11585 c5c8315 Thanks @Netail! - Fixed #11475: noUnresolvedImports no longer reports Bun runtime built-in modules (bun, bun:bundle, bun:ffi, bun:jsc, bun:sqlite, bun:test).

  • #11368 52a57b3 Thanks @Austin1serb! - Fixed #6830: Biome now reports a diagnostic for excessively deep syntax instead of overflowing the native stack while releasing the parsed tree.

  • #11596 1fc42ed Thanks @dyc3! - Added the nursery rule noThisOutsideOfClass. The rule reports this outside class members and TypeScript functions with an explicit this parameter. 

    function Person(name) {
    this.name = name;
}

  • #11555 2516335 Thanks @dyc3! - Fixed #11529, where noFloatingPromises missed unhandled Promise chains when the imported function's module belonged to an import cycle. Cyclic modules now preserve types for exports that do not participate in recursive type dependencies.

  • #11518 0fee70c Thanks @HarperZ9! - Fixed #11500: the formatter now prints the declare modifier before accessibility modifiers on class properties. private declare readonly name: string is now formatted as declare private readonly name: string, matching Prettier and TypeScript's canonical modifier order.

  • #11580 1277af2 Thanks @ematipico! - Fixed #5091: Biome no longer moves comments next to the < of a generic, which causes invalid TypeScript syntax: 

    - Generic<// a comment
+ Generic<
+   // a comment

  • #11577 42995d2 Thanks @ematipico! - Fixed #4592. Biome no longer crashes while parsing malformed delete expressions.

  • #11590 67963b4 Thanks @ematipico! - Fixed #6427 so Grit plugins can use function = ... as a node argument.

  • #11600 a689cb5 Thanks @ematipico! - Fixed #6644: noUnusedVariables now recognizes all interface declarations in a TypeScript declaration-merging group when the interface is referenced.

    The following snippet no longer triggers the rule. 

    interface Things {
    foo: string;
}

interface Things {
    bar: string;
}

export type Key = keyof Things;

interface Things {
    baz: string;
}

  • #11591 d4a0716 Thanks @ematipico! - Fixed #6615. noDuplicateProperties no longer reports declarations nested in block at-rules as duplicates of declarations in their parent block.

  • #11492 f2a07aa Thanks @santichausis! - Fixed #11454: noMisplacedAssertion now recognises @fast-check/vitest's test.prop(...) (and .concurrent.prop, .skip.prop, etc.) as a test function, the same way it already recognises test.each. The JS formatter picks up the same recognition, so a curried test.prop(...)(...) call is now formatted with the regular breakable argument layout used for test.each/test.for, instead of the single-line-hugging layout used for plain it/test calls.

    For example, Biome no longer reports the assertion below as misplaced: 

    import { fc, test } from "@fast-check/vitest";

test.prop([fc.string()])("round-trips", (s) => {
  expect(s).toBe(s);
});

  • #11589 65742b3 Thanks @ematipico! - Fixed #4928: noUnusedVariables no longer reports a value declaration as unused when its merged namespace is referenced.

  • #11559 472dbc2 Thanks @levrik! - Fixed a false positive in noVueDuplicateKeys where a <script setup> variable initialized from props was reported as a duplicate of the prop it derives from. Biome now exempts any variable whose initializer references props, instead of only recognizing defineProps() and toRefs(props).

    For example, Biome no longer reports foo below as a duplicate key: 

    <script setup>
import { toRef } from 'vue';
const props = defineProps(['foo']);
const foo = toRef(props, 'foo');
</script>

  • #11594 6586ceb Thanks @ematipico! - Fixed #6640. Biome no longer crashes when linting malformed for...of statements.

  • #11571 85b197d Thanks @ematipico! - Fixed #10838: useSortedAttributes no longer corrupts JSX attributes when nested JSX elements also require sorting.

  • #11533 97e76c0 Thanks @ematipico! - Fixed #11520, where the Biome scanner would start analysing dependencies multiple times, leading to long and unresponsive sessions.

  • #11564 18a0e1f Thanks @Netail! - Fixed the diagnostic range of noInferrableTypes so it now highlights only the type instead of including the leading : colon, spaces and comments.

  • #11540 124fdaa Thanks @ematipico! - Fixed #11537: noShorthandPropertyOverrides now compares declarations only within the same block. The rule no longer reports @supports feature queries and correctly checks nested, @keyframes, and @page blocks.

  • #11532 7ceb0ee Thanks @dyc3! - Fixed #11528: noFloatingPromises no longer reports statement-level await expressions that handle Promise values, including overloaded calls returning Promise aliases. Awaited values that resolve to arrays of Promises remain reported because their element Promises are not handled by await.

  • #11474 3c6412e Thanks @dyc3! - Fixed #10241. Biome no longer reports unsupported text expression diagnostics for double-curly text in vanilla HTML, and the formatter preserves adjacent curly-brace text.

  • #11593 6c7fd27 Thanks @dyc3! - Added the nursery rule noVueDeprecatedScopedSlots. It reports deprecated $scopedSlots references in Vue templates and component objects, and offers an unsafe replacement with $slots. For example, Biome now reports this.$scopedSlots.default inside a Vue component.

  • #11440 b88f1ea Thanks @Princesseuh! - Fixed the formatter crashing on an Astro or Svelte expression spanning several lines in a file with CRLF line endings, such as <p>{a +\r\n b}</p>.

  • #11581 f4e5ebb Thanks @dyc3! - Added the nursery rule useModernMathApis. The rule reports legacy mathematical patterns that have direct modern Math equivalents. 

    Math.sqrt(a * a + b * b);

  • #11597 a20f44a Thanks @Netail! - Added the nursery rule noBunModules, which forbids the use of Bun builtin modules (e.g. bun:sqlite, bun:ffi).

  • #11545 7d54688 Thanks @dyc3! - Fixed #11542: Biome now reports HTML comments between Svelte tag attributes as parse errors.

  • #11582 b6611dd Thanks @ematipico! - Fixed #3862. Biome now parses legacy Internet Explorer filter and -ms-filter values such as progid:DXImageTransform... and alpha(opacity=40).

  • #11575 65da251 Thanks @dyc3! - Improved the Tailwind parser's ability to recover from parsing failures. Whitespace now always allows the parser to recover and start parsing a new class.

  • #11576 0f78499 Thanks @ematipico! - Fixed #3515 and #10395, where Biome could corrupt Unicode characters while writing source received through standard input to standard output. Characters such as ⚠ and ✔ are now preserved.

  • #11539 0fca643 Thanks @ematipico! - Fixed #11512, where style/noDescendingSpecificity missed lower-specificity selectors after a later higher-specificity selector with the same tail selector.

  • #11544 040f867 Thanks @dyc3! - Fixed #11541: formatting a Svelte render tag followed by an HTML comment no longer duplicates the comment. 

     <div>
   {@render children?.()}
   <!-- comment -->
-  <!-- comment -->
 </div>

  • #11565 ee69e0e Thanks @ematipico! - Fixed #11525. Now the configuration schema correctly provides auto-completion for linter domains.

  • #11583 b19390c Thanks @dyc3! - Fixed #11352: useExplicitLengthCheck no longer reports length-like properties used as value-producing || fallbacks or optional chains, and it no longer offers fixes for value-producing && checks or unsafe negations.

  • #11562 753e955 Thanks @ematipico! - Fixed an issue where the Biome Language Server would start with logging level set to debug. This would cause logs to grow exponentially in long sessions.

  • #11217 7d3ee9c Thanks @dyc3! - Fixed handling of biome-ignore format suppression comments on TypeScript declared class properties with string literal names. 

    class A {
	declare /* biome-ignore format: exercise suppression checking */ 'a-b': 0;
}

  • #11497 f5d7896 Thanks @dyc3! - Added the noInvalidFileInputAccept nursery rule. The rule reports invalid literal accept values on file inputs in JSX and HTML, and normalizes common mistakes. 

    <input type="file" accept="image/jpg" />

  • #11345 ac58958 Thanks @jakeleventhal! - Improved type inference performance by avoiding resolution of unused members in object arguments.

  • #11554 2d55931 Thanks @Netail! - Added the new nursery rule useReactNamingConvention, which enforces naming conventions for React values assigned from createContext, useId, and useRef. A value from createContext must be a PascalCase component name ending with Context, a value from useId must be named id or end with Id, and a value from useRef must be named ref or end with Ref.

  • #11491 1d6210b Thanks @dyc3! - Added the nursery rule noUnmodifiedLoopCondition, which reports variables in loop conditions that are never modified in the loop. 

    let node = getNode();
while (node) {
    process(node);
}

What's Changed

  • fix(noDescendingSpecificity): compare against the highest specificity for a repeated tail selector 🤖🤖🤖 by @rawsun007 in #11524
  • Revert "fix(noDescendingSpecificity): compare against the highest specificity for a repeated tail selector 🤖🤖🤖" by @ematipico in #11536
  • fix(workspace): scanner behaviour by @ematipico in #11533
  • perf: void extra resolution of unused object members and params by @jakeleventhal in #11345
  • fix(formatter): print declare before accessibility modifiers by @HarperZ9 in #11518
  • fix(js_analyze): recognize fast-check's test.prop in noMisplacedAssertion by @santichausis in #11492
  • fix(format/html): avoid duplicating Svelte render comments by @dyc3 in #11544
  • fix(parse/html): emit a diagnostic for invalid HTML comments inside tags by @dyc3 in #11545
  • refactor: reduce generic functions per rule to reduce binary size by @siketyan in #11549
  • fix(noDescendingSpecificity): improve specificity comparison by @ematipico in #11539
  • fix(noFloatingPromises): various bugs by @dyc3 in #11532
  • fix(noShorthandPropertyOverrides): improve query and visitor logic by @ematipico in #11540
  • fix(format/js): check declared property name suppressions by @dyc3 in #11217
  • fix(format/yaml): move overflowing multiline flow scalars below their key by @dyc3 in #11140
  • feat(css): support interpolated SCSS URL values by @denbezrukov in #11547
  • fix(cli): pass log level to the daemon by @ematipico in #11562
  • feat(markdown): port markdownlint MD025 single top-level heading rule by @saberoueslati in #11266
  • feat(lint/js): add noInvalidFileInputAccept by @dyc3 in #11497
  • fix(schema): domains by @ematipico in #11565
  • fix: noInferrableTypes range by @Netail in #11564
  • fix(js/parser): read Astro template expression contents as Astro does by @Princesseuh in #11440
  • fix(parse/html): treat double curly braces as plain text in regular html by @dyc3 in #11474
  • chore(deps): update rust crate ureq to 3.4.0 by @renovate[bot] in #11487
  • chore(deps): update rust crate tokio to 1.53.1 by @renovate[bot] in #11374
  • chore(deps): update rust crate globset to 0.4.20 by @renovate[bot] in #11287
  • fix(rowan): avoid stack overflow when dropping deep trees by @Austin1serb in #11368
  • feat(js_analyze): added a React naming convention rule by @Netail in #11554
  • feat(lint/js): add noUnmodifiedLoopCondition by @dyc3 in #11491
  • fix(noVueDuplicateKeys): fix a range of false-positives by @levrik in #11559
  • chore: add a "update module replacements" workflow by @Netail in #10737
  • chore(bench): use default benchmark sample sizes by @dyc3 in #11574
  • test: issue 1634 by @ematipico in #11573
  • fix(cli): unicode characters via stdin by @ematipico in #11576
  • fix(useSortedAttributes): suppress nested JSX attributes by @ematipico in #11571
  • fix(type_inference): infer non-cyclic declarations in module cycles by @dyc3 in #11555
  • feat(lint/js): add useFlatMathMinMax by @dyc3 in #11508
  • perf(css_parser): add SCSS parser benchmarks by @denbezrukov in #11572
  • fix(js/parse): avoid panic on skipped token trivia by @ematipico in #11577
  • fix(parse/tailwind): make whitespace not trivia anymore by @dyc3 in #11575
  • fix(js/fmt): comments next to generic by @ematipico in #11580
  • feat(lint): add useModernMathApis by @dyc3 in #11581
  • feat: bun runtime modules support by @Netail in #11585
  • fix(css/parse): legacy filters by @ematipico in #11582
  • fix(grit): handle function named by @ematipico in #11590
  • fix(noUnusedVariables): remove unused namespace by @ematipico in #11589
  • fix(noDuplicateProperties): handle function named by @ematipico in #11591
  • fix(js/parse): recover on malformed for...of statements by @ematipico in #11594
  • perf(css_parser): avoid rejected nesting blocks by @denbezrukov in #11592
  • chore: tweak contributing docs by @dyc3 in #11586
  • fix(noUnusedVariables): recognize merged interfaces by @ematipico in #11600
  • feat(lint/js/vue): add noVueDeprecatedScopedSlots by @dyc3 in #11593
  • feat(lint/js): add noThisOutsideOfClass by @dyc3 in #11596
  • feat: noBunModules by @Netail in #11597
  • fix(lint): align explicit length checks by @dyc3 in #11583
  • fix(control_flow): fix panic in debug builds by @dyc3 in #11604
  • perf(css_parser): add isolated SCSS benchmarks by @denbezrukov in #11603
  • ci: release by @github-actions[bot] in #11530

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Full Changelog: https://github.com/biomejs/biome/compare/@biomejs/biome@2.5.11...@biomejs/biome@2.5.12

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