Update dependency @biomejs/biome to v2.4.14#12
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This PR contains the following updates:
2.4.9→2.4.14Release Notes
biomejs/biome (@biomejs/biome)
v2.4.14Compare Source
Patch Changes
#9393
491b171Thanks @dyc3! - Added the nursery ruleuseTestHooksOnTopin thetestdomain. The rule flags lifecycle hooks (beforeEach,beforeAll,afterEach,afterAll) that appear after test cases in the same block, enforcing that hooks are defined before any test case.#10157
eefc5abThanks @dyc3! - Fixed #7882: The HTML parser will now emit better diagnostics when it encounters a void element with a closing tag, such as<br></br>. Previously, the parser would emit multiple diagnostics with conflicting advice. Now it emits a single diagnostic that clearly states that void elements should not have closing tags.#10054
0e9f569Thanks @minseong0324! -noMisleadingReturnTypeno longer misses widening from concrete object types, class instances, object literals, tuples, functions, and regular expressions to: object.A function annotated
: objectreturning an object literal:#10116
53269ebThanks @jiwon79! - Fixed #6201:noUselessEscapeInRegexno longer flags an escaped backslash followed by-as a useless escape. Patterns like/[\\-]/are now considered valid because the second\is the escaped backslash, not an unnecessary escape of the trailing dash.#10092
33d8543Thanks @Conaclos! - Fixed #9097:organizeImportsno longer adds a blank line between a never-matched group and a matched group.Given the following
organizeImportsoptions:{ "groups": [":NODE:", ":BLANK_LINE:", ":PACKAGE:", ":BLANK_LINE:", ":PATH:"] }The following code...
...was organized as:
A blank line was added even though the group ':NODE:' doesn't match any imports here.
:BLANK_LINE:between never-matched groups and matched groups are now ignored.The code is now organized as:
// Comment import "package"; + import "./file.js";#10138
a10b6c1Thanks @dyc3! - Fixed Vuev-forhandling fornoUndeclaredVariablesandnoUnusedVariables. Biome now recognizes variables declared byv-fordirectives and references to iterated values in Vue templates.#10115
d428d76Thanks @minseong0324! -noMisleadingReturnTypeno longer reports false positives when a union return type'sbooleanvariant is covered by bothtrueandfalsereturns.#9922
7acf1e0Thanks @dyc3! - Added the new nursery rulenoReactStringRefs, which disallows legacy React string refs such asref="hello"andthis.refs.hello.Biome also reports template-literal refs such as
ref={`hello`}, so React code can consistently migrate to callback refs,createRef(), oruseRef().#10010
f3e76abThanks @dyc3! - Fixed a bug in the LSP file watcher registration so Biome now watches.biome.jsonand.biome.jsoncconfiguration files and reloads workspace settings when they change.#10176
8a40ef8Thanks @dyc3! - Fixed #10011: ThenoThisInStaticrule no longer reportsthiswhen it is used as the constructor target innew this(...), which is required for inherited static factory methods.#10163
6867e96Thanks @jiwon79! - Fixed #9884: TheuseSortedAttributesauto-fix no longer corrupts source code when both an outer JSX element and a nested JSX-valued attribute have unsorted attributes in the same pass. Multiple unsorted groups separated by spread or shorthand attributes within the same JSX element are now reported as a single diagnostic.#10079
d29dd19Thanks @Damix48! - Fixed false positive innoAssignInExpressionsfor Svelte{@​const}blocks. Assignments in{@​const name = value}are now correctly recognized as declarations rather than accidental assignments in expressions.#10080
5d8fdacThanks @Damix48! - Fixed parsing of closing parentheses in Svelte{#each}block key expressions. Biome now correctly parses method calls and other parenthesised expressions used as keys.For example, the following snippets are now parsed correctly:
{#each numbers as number, index (number.toString())} <p>{number}</p> {/each} {#each numbers as number (key(number))} <p>{number}</p> {/each}#10140
e7024b9Thanks @solithcy! - Fixed #10135: Biome no longer crashes on missing Svelte template expressions.The following code snippet longer panics:
{#if } <p>^ this would previously crash</p> {/if} {@​const } <p> ^ this would also crash</p>#10111
7818009Thanks @jiwon79! - Fixed #9997:noDuplicateSelectorsno longer reports false positives for selectors inside@scopequeries. Biome now treats@scopeas a separate at-rule context, like@media,@supports,@container, and@starting-style.The following snippet is no longer flagged as a duplicate:
#9926
d62b331Thanks @dyc3! - Added the nursery lint ruleuseMathMinMax, which prefersMath.min()andMath.max()over equivalent ternary comparisons.For example, this code:
is much more readable when rewritten as:
#10115
d428d76Thanks @minseong0324! -useExhaustiveSwitchCasesnow flags missingtrue/falsecases forbooleandiscriminants, including whenbooleanis a union variant.#10125
a55a0b6Thanks @bmish! - Fixed a resolver bug where packages that define a typed entry point throughpackage.json'smainfield but omittypeswere ignored during type-aware resolution. Type-aware rules such asnoFloatingPromisescan now inspect imports from those packages.#10117
895e809Thanks @denizdogan! - Added support for thecorner-shapefamily of CSS properties and thesuperellipse()/squircle()value functions, sonoUnknownPropertyandnoUnknownFunctionno longer flag them as unknown.New known properties:
corner-shape,corner-block-end-shape,corner-block-start-shape,corner-bottom-left-shape,corner-bottom-right-shape,corner-bottom-shape,corner-end-end-shape,corner-end-start-shape,corner-inline-end-shape,corner-inline-start-shape,corner-left-shape,corner-right-shape,corner-start-end-shape,corner-start-start-shape,corner-top-left-shape,corner-top-right-shape,corner-top-shape.New known value functions:
superellipse(),squircle().#8620
8df8f73Thanks @dyc3! - Fixed #8062: Added support for parsing Vuev-fordirectives more accurately.#10191
aa055cdThanks @guney! - Now the rulenoStaticElementInteractionsdoesn't trigger custom elements.#9757
2c62594Thanks @dyc3! - Fixed #9099: the HTML formatter collapsing non-text children (inline elements, Svelte expressions, comments) onto a single line when the source had them on separate lines. Biome now preserves the user's intended line breaks for exclusively non-text children.For example, the following Svelte snippet is now preserved instead of being collapsed to
<div>{name}<!-- comment --></div>:Similarly, HTML elements like
<span>inside a<div>are now preserved when written on their own line:#10105
e7c1a6dThanks @jiwon79! - Fixed #10039:useReadonlyClassPropertiesnow detects unreassigned private members in class expressions and export default classes, not only in class declarations.The following patterns are now correctly flagged:
#10141
46a77d0Thanks @minseong0324! - ImprovednoUnnecessaryConditionsto detect conditions that are always truthy because they check built-in global class instances such asDate,Map,Set,WeakMap, andError.#10178
7b05a89Thanks @dyc3! - Fixed #10177: The HTML parser no longer reports lowercasehtmlordoctypetext as invalid after void elements such as<br>.#10155
0d4595dThanks @jiwon79! - Fixed #10045: the CSS formatter no longer compounds indentation inside nested functional pseudo-classes such as:not(:where(...)),:is(:where(...)), and similar combinations. The same fix also removes one level of unnecessary indentation that was added inside any pseudo-class function whose argument list wrapped onto multiple lines, including:nth-child(... of ...),::part(...), and:active-view-transition-type(...).The following snippet is now correctly formatted, matching Prettier.
#10112
6f0251eThanks @dyc3! - Fixed #10110: Biome's parser now accepts surrogate code points in JavaScript string\u{...}escapes.#10141
46a77d0Thanks @minseong0324! - ImprovednoMisleadingReturnTypeto detectobjectreturn annotations that hide built-in global class instances such asDate,Map,Set,WeakMap, andError.#10083
4a664c1Thanks @ematipico! - Added two new options tonoShadow, both defaulting totrueto match typescript-eslint's behavior.Fixed #9482: Added
ignoreFunctionTypeParameterNameValueShadowoption. When enabled, parameter names inside function type annotations (e.g.(options: unknown) => void) are not flagged as shadowing outer variables.Fixed #7812: Added
ignoreTypeValueShadowoption. When enabled, a value binding that shares its name with a type-only declaration (type alias or interface) is not flagged, since types and values occupy separate namespaces in TypeScript.#9286
52695cfThanks @Hugo-Polloli! - Fixed #6316: Biome now resolves Svelte$storereferences to the underlyingstorebinding in semantic analysis, preventing falsenoUndeclaredVariablesdiagnostics when the store is declared.#10188
ae659ddThanks @dyc3! - Added a new nursery rulenoExcessiveNestedCallbacks, which disallows callbacks nested deeper than the configured maximum.#9757
2c62594Thanks @dyc3! - Fixed #9450: the HTML formatter now correctly preserves multiline formatting for nested<template>elements (e.g.<template #body>) when the source has children on separate lines. Previously, the children were collapsed onto a single line.#10118
c6edcb4Thanks @Netail! - Fixed #10024:biome migrate eslintcorrectly migrateseslintrules that belong to multiple Biome rules.v2.4.13Compare Source
Patch Changes
#9969
c5eb92bThanks @officialasishkumar! - Added the nursery rulenoUnnecessaryTemplateExpression, 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:
#10037
f785e8cThanks @minseong0324! - Fixed #9810:noMisleadingReturnTypeno longer reports false positives on a getter with a matching setter in the same namespace.#10084
5e2f90cThanks @jiwon79! - Fixed #10034:noUselessEscapeInRegexno longer flags escapes ofClassSetReservedPunctuatorcharacters (&,!,#,%,,,:,;,<,=,>,@,`,~) insidev-flag character classes as useless. These characters are reserved as individual code points inv-mode, so the escape is required.The following pattern is now considered valid:
#10063
c9ffa16Thanks @Netail! - Added extra rule sources from ESLint CSS.biome migrate eslintshould do a bit better detecting rules in your eslint configurations.#10035
946b50eThanks @Netail! - Fixed #10032: useIframeSandbox now flags if there's no initializer value.#9865
68fb8d4Thanks @dyc3! - Added the new nursery ruleuseDomNodeTextContent, which preferstextContentoverinnerTextfor DOM node text access and destructuring.For example, the following snippet triggers the rule:
#10023
bd1e74fThanks @ematipico! - Added a new nursery rulenoReactNativeDeepImportsthat disallows deep imports from thereact-nativepackage. Internal paths likereact-native/Libraries/...are not part of the public API and may change between versions.For example, the following code triggers the rule:
#9885
3dce737Thanks @dyc3! - Added a new nursery ruleuseDomQuerySelectorthat prefersquerySelector()andquerySelectorAll()over older DOM query methods such asgetElementById()andgetElementsByClassName().#9995
4da9cafThanks @siketyan! - Fixed #9994: Biome now parses nested CSS rules correctly when declarations follow them inside embedded snippets.#10009
b41cc5aThanks @Jayllyz! - Fixed #10004:noComponentHookFactoriesno longer reports false positives for object methods and class methods.#9988
eabf54aThanks @Netail! - Tweaked the diagnostics range for useAltText, useButtonType, useHtmlLang, useIframeTitle, useValidAriaRole & useIfameSandbox to report on the opening tag instead of the full tag.#10043
fc65902Thanks @mujpao! - Fixed #10003: Biome no longer panics when parsing Svelte files containing{#}.#9815
5cc83b1Thanks @dyc3! - Added the new nursery rulenoLoopFunc. When enabled, it warns when a function declared inside a loop captures outer variables that can change across iterations.#9702
ef470baThanks @ryan-m-walker! - Added the nursery ruleuseRegexpTestthat enforcesRegExp.prototype.test()overString.prototype.match()andRegExp.prototype.exec()in boolean contexts.test()returns a boolean directly, avoiding unnecessary computation of match results.Invalid
Valid
#9743
245307dThanks @leetdavid! - Fixed #2245: Svelte<script>tag language detection when thegenericsattribute contains>characters (e.g.,<script lang="ts" generics="T extends Record<string, unknown>">). Biome now correctly recognizes TypeScript in such script blocks.#10046
0707de7Thanks @Conaclos! - Fixed #10038:organizeImportsnow sorts imports in TypeScript modules and declaration files.declare module "mymodule" { - import type { B } from "b"; import type { A } from "a"; + import type { B } from "b"; }#10012
94ccca9Thanks @ematipico! - Added the nursery rulenoReactNativeLiteralColors, which disallows color literals inside React Native styles.The rule belongs to the
reactNativedomain. It reports properties whose name containscolorand whose value is a string literal when they appear inside aStyleSheet.create(...)call or inside a JSX attribute whose name containsstyle.#10005
131019eThanks @ematipico! - Added the nursery rulenoReactNativeRawText, which disallows raw text outside of<Text>components in React Native.The rule belongs to the new
reactNativedomain.Additional components can be allowlisted through the
skipoption:{ "options": { "skip": ["Title"] } }#9911
1603f78Thanks @Netail! - Added the nursery rulenoJsxLeakedDollar, 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:
#9999
f42405fThanks @minseong0324! - FixednoMisleadingReturnTypeincorrectly flagging functions with reassignedletvariables.#10075
295f97fThanks @ematipico! - Fixed#9983: Biome now parses functions declared inside Svelte#snippetblocks without throwing errors.#10006
cf4c1c9Thanks @minseong0324! - Fixed #9810:noMisleadingReturnTypeincorrectly flagging nested object literals with widened properties.#10033
11ddc05Thanks @ematipico! - Added the nursery ruleuseReactNativePlatformComponentsthat 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.jssuffix:v2.4.12Compare Source
Patch Changes
#9376
9701a33Thanks @dyc3! - Added thenursery/noIdenticalTestTitlelint rule. This rule disallows using the same title for twodescribeblocks or two test cases at the same nesting level.#9889
7ae83f2Thanks @dyc3! - Improved the diagnostics foruseForOfto better explain the problem, why it matters, and how to fix it.#9916
27dd7b1Thanks @Jayllyz! - Added a new nursery rulenoComponentHookFactories, that disallows defining React components or custom hooks inside other functions.For example, the following snippets trigger the rule:
#9980
098f1ffThanks @ematipico! - Fixed #9941: Biome now emits awarningdiagnostic when a file exceed thefiles.maxSizelimit.#9942
9956f1dThanks @dyc3! - Fixed #9918:useConsistentTestItno longer panics when applying fixes to chained calls such astest.for([])("x", () => {});.#9891
4d9ac51Thanks @dyc3! - Improved thenoGlobalObjectCallsdiagnostic to better explain why calling global objects likeMathorJSONis invalid and how to fix it.#9902
3f4d103Thanks @ematipico! - Fixed #9901: the commandlint --writeis now idempotent when it's run against HTML-ish files that contains scripts and styles.#9891
4d9ac51Thanks @dyc3! - Improved thenoMultiStrdiagnostic to explain why escaped multiline strings are discouraged and what to use instead.#9966
322675eThanks @siketyan! - Fixed #9113: Biome now parses and formats@mediaand other conditional blocks correctly inside embedded CSS snippets.#9835
f8d49d9Thanks @bmish! - ThenoFloatingPromisesrule now detects floating promises through cross-module generic wrapper functions. Previously, patterns likeexport const fn = trace(asyncFn)— wheretracepreserves the function signature via a generic<F>(fn: F): F— were invisible to the rule when the wrapper was defined in a different file.#9981
02bd8ddThanks @siketyan! - Fixed #9975: Biome now parses nested CSS selectors correctly inside embedded snippets without requiring an explicit&.#9949
e0ba71dThanks @Netail! - Added the nursery ruleuseIframeSandbox, which enforces thesandboxattribute foriframetags.Invalid:
#9913
d417803Thanks @Netail! - Added the nursery rulenoJsxNamespace, which disallows JSX namespace syntax.Invalid:
#9892
e75d70eThanks @dyc3! - Improved thenoSelfComparediagnostic to better explain why comparing a value to itself is suspicious and what to use for NaN checks.#9861
2cff700Thanks @dyc3! - Added the new nursery ruleuseVarsOnTop, which requiresvardeclarations to appear at the top of their containing scope.For example, the following code now triggers the rule:
#9892
e75d70eThanks @dyc3! - Improved thenoThenPropertydiagnostic to better explain why exposingthencan create thenable behavior and how to avoid it.#9892
e75d70eThanks @dyc3! - Improved thenoShorthandPropertyOverridesdiagnostic to explain why later shorthand declarations can unintentionally overwrite earlier longhand properties.#9978
4847715Thanks @mdevils! - Fixed #9744:useExhaustiveDependenciesno longer reports false positives for variables obtained via object destructuring with computed keys, e.g.const { [KEY]: key1 } = props.#9892
e75d70eThanks @dyc3! - Improved thenoRootTypediagnostic to better explain that the reported root type is disallowed by project configuration and how to proceed.#9927
7974ab7Thanks @dyc3! - Added eslint-plugin-unicorn'sno-nested-ternaryas a rule source fornoNestedTernary#9873
19ff706Thanks @minseong0324! -noMisleadingReturnTypenow checks class methods, object methods, and getters in addition to functions.#9888
362b638Thanks @dyc3! - Updated metadata forbiome migrate eslintto better reflect which ESLint rules are redundant versus unsupported versus unimplemented.#9892
e75d70eThanks @dyc3! - Improved thenoAutofocusdiagnostic to better explain why autofocus harms accessibility outside allowed modal contexts.#9982
d6bdf4aThanks @dyc3! - Improved performance of noMagicNumbers.Biome now maps ESLint
no-magic-numberssources more accurately duringbiome migrate eslint.#9889
7ae83f2Thanks @dyc3! - Improved the diagnostics fornoConstantConditionto better explain the problem, why it matters, and how to fix it.#9866
40bd180Thanks @dyc3! - Added a new nursery rulenoExcessiveSelectorClasses, which limits how many class selectors can appear in a single CSS selector.#9796
f1c1363Thanks @dyc3! - Added a new nursery ruleuseStringStartsEndsWith, which prefersstartsWith()andendsWith()over verbose string prefix and suffix checks.The rule uses type information, so it only reports on strings and skips array lookups such as
items[0] === "a".#9942
9956f1dThanks @dyc3! - Fixed the safe fix fornoSkippedTestsso it no longer panics when rewriting skipped test function names such asxit(),xtest(), andxdescribe().#9874
9e570d1Thanks @minseong0324! - Type-aware lint rules now resolve members throughPick<T, K>andOmit<T, K>utility types.#9909
0d0e611Thanks @Netail! - Added the nursery ruleuseReactAsyncServerFunction, which requires React server actions to be async.Invalid:
#9925
29accb3Thanks @ematipico! - Fixed #9910: added support for parsing member expressions in Svelte directive properties. Biome now correctly parses directives likein:renderer.in|global,use:obj.action, and deeply nested forms likein:a.b.c|global.#9904
e7775a5Thanks @ematipico! - Fixed #9626:noUnresolvedImportsno longer reports false positives for named imports from packages that have a corresponding@types/*package installed. For example,import { useState } from "react"with@types/reactinstalled is now correctly recognised.#9942
9956f1dThanks @dyc3! - Fixed the safe fix fornoFocusedTestsso it no longer panics when rewriting focused test function names such asfit()andfdescribe().#9577
c499f46Thanks @tt-a1i! - Added the nursery ruleuseReduceTypeParameter. It flags type assertions on the initial value passed toArray#reduceandArray#reduceRightand recommends using a type parameter instead.#9895
1c8e1efThanks @Netail! - Added extra rule sources from react-xyz.biome migrate eslintshould do a bit better detecting rules in your eslint configurations.#9891
4d9ac51Thanks @dyc3! - Improved thenoInvalidUseBeforeDeclarationdiagnostic to better explain why using a declaration too early is problematic and how to fix it.#9889
7ae83f2Thanks @dyc3! - Improved the diagnostics fornoRedeclareto better explain the problem, why it matters, and how to fix it.#9875
a951586Thanks @minseong0324! - Type-aware lint rules now resolve members throughPartial<T>,Required<T>, andReadonly<T>utility types, preserving optional, readonly, and nullable member flags.v2.4.11Compare Source
Patch Changes
#9350
4af4a3aThanks @dyc3! - Added the new nursery rule useConsistentTestIt in thetestdomain. The rule enforces consistent use of eitheritortestfor test functions in Jest/Vitest suites, with separate control for top-level tests and tests insidedescribeblocks.Invalid:
#9429
a2f3f7eThanks @ematipico! - Added the new nursery lint ruleuseExplicitReturnType. It reports TypeScript functions and methods that omit an explicit return type.#9828
9e40844Thanks @ematipico! - Fixed #9484: the formatter no longer panics when formatting files that containgraphqltagged template literals combined with parenthesized expressions.#9886
e7c681eThanks @ematipico! - Fixed an issue where, occasionally, some bindings and references were not properly tracked, causing false positives fromnoUnusedVariablesandnoUndeclaredVariablesin Svelte, Vue, and Astro files.#9760
5b16d18Thanks @myx0m0p! - Fixed #4093: thenoDeleterule no longer triggers fordelete process.env.FOO, sincedeleteis the documented way to remove environment variables in Node.js.#9799
2af8efdThanks @minseong0324! - Added the rulenoMisleadingReturnType. The rule detects when a function's return type annotation is wider than what the implementation actually returns.#9880
7f67749Thanks @dyc3! - Improved the diagnostics foruseFindto better explain the problem, why it matters, and how to fix it.#9755
bff7bdbThanks @ematipico! - Improved performance of fix-all operations (--write). Biome is now smarter when it runs lint rules and assist actions. First, it runs only rules that have code fixes, and then runs the rest of the rules.[#8651](https://redirect.github.com/biomejs/biome/pull/8651
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