@oxlint/plugins

Breaking changes

• breaking

  ast: Preserve lone surrogates in static property names

• breaking

  ast: Preserve lone surrogates in static member names

Features

• linter: Mark vue 3 rules as recommended

• linter: Mark react/react-hooks rules as recommended

• linter: Mark promise rules as recommended

• linter: Mark node rule as recommended

• linter: Mark nextjs rules as recommended

• linter: Mark jsx-a11y rules as recommended

• linter: Mark jsdoc rules as recommended

• linter: Mark jest/vitest rules as recommended

• linter: Mark import rules as recommended

• linter: Mark unicorn rules as recommended

• linter: Mark typescript rules as recommended from upstream

• linter: Mark eslint rules as recommended from upstream

Bug Fixes

• linter: Check module specifiers and string values that contain lone surrogates

• linter: Search string values without UTF-8 conversion

• linter/unicorn/no-useless-undefined: Allow undefined in React.useRef

• linter/unicorn/prefer-spread: Ignore super method calls

• linter/eslint/prefer-const: Report destructuring assignments inside blocks

• linter/eslint/sort-vars: Report every out-of-order declaration

• linter/unicorn/prefer-string-replace-all: Resolve regex variables

• linter/eslint/no-loop-func: Detect writes after the loop

• linter/eslint/block-scoped-var: Ignore declarations without writes

• linter/eslint/no-lonely-if: Check final else blocks in else-if chains

• linter/eslint/sort-imports: Check imports after other statements

• linter/unicorn/prefer-at: Report slice index reads once

• linter/eslint/prefer-arrow-callback: Ignore functions used as conditional tests

• linter/eslint/sort-keys: Check computed identifier names

• linter/unicorn/prefer-native-coercion-functions: Check object methods and function properties

• linter/unicorn/prefer-string-raw: Check object property values

• linter/eslint/prefer-template: Report separate nested concatenations

• linter/eslint/no-unused-vars: Count conditional calls in sequences as uses

• linter/unicorn/prefer-regexp-test: Check logical operands in boolean contexts

• linter/eslint/class-methods-use-this: Count this in parameter defaults

• linter/eslint/no-param-reassign: Report rest parameter writes

• linter/unicorn/prefer-type-error: Handle parenthesized type checks

• linter/unicorn/catch-error-name: Check unused underscore-prefixed names

• linter/unicorn/no-array-callback-reference: Ignore callback factory calls

• linter/eslint/max-params: Count rest parameters

• linter/eslint/no-useless-assignment: Report dead stores to function parameters

• linter/eslint/no-setter-return: Check setters in property descriptors

• linter/eslint/id-length: Check destructuring assignment targets

• linter/eslint/no-magic-numbers: Restrict unary exemptions to numeric signs

• linter/eslint/no-div-regex: Report quantified leading equals

• linter/unicorn/consistent-function-scoping: Count self-referencing variables as captures

• linter/unicorn/catch-error-name: Avoid fix symbol name collisions

• oxlint,oxfmt: Correct Node.js TypeScript support range

• linter/eslint/no-var: Avoid fixes for redeclared bindings

Performance

• linter/react/jsx-key: Avoid redundant key clones

Breaking changes

• breaking

  ast: Refactor comment attachment storage

• breaking

  ast: Add comment attachment storage

Features

• oxlint/lsp: Show config errors to LSP client

• linter/unicorn/prefer-query-selector: Add allowWithVariables option

Bug Fixes

• linter/sort-keys: Compare natural order like ESLint

• linter/unicorn/prefer-bigint-literals: Unwrap redundant constructor call; don't auto-fix for lost precision

• linter: Prevent conflicting type import fixes

• oxfmt: Follow symlinked configs in discovery

• oxlint,oxfmt: Set stderr blocking

Performance

• linter/oxc/bad-array-method-on-arguments: Check arguments references once

• linter/plugins: Inline firstCommentAtOrAfter into call sites

• linter/plugins: Use shift over multiply for powers of 2

• linter: Share one source per file across type-aware diagnostics

• minifier: Use ident when checking specific id names

Features

• linter/react/no-unescaped-entities: Implement suggestion

• linter/unicorn/no-useless-switch-case: Implement suggestion

• linter/react/jsx-no-target-blank: Implement suggestion

Bug Fixes

• linter/jsx-a11y/label-has-associated-control: Validate label attribute values

• linter/jsx-a11y/mouse-events-have-key-events: Handle nullish event handlers

• linter/jsx-a11y/lang: Validate lang expression strings

• linter/unicorn/numeric-separators-style: Report misgrouped BigInt literals

• linter/unicorn/no-zero-fractions: Parenthesize separator and large integers in fixer

• parser: Validate TypeScript type member separators

• linter/eslint/prefer-exponentiation-operator: Preserve autofix precedence

• linter/valid-title: Continue checks after allowed words

• linter/eslint/no-unused-vars: Respect disabled argument checks for used ignore patterns

Features

• linter/react/only-export-components: Support allowCompoundComponents

• linter: Add typescript/no-generated-empty-object-type

Bug Fixes

• linter/typescript/no-unnecessary-parameter-property-assignment: Account for parameter property reassignment

• linter/eslint/one-var: Keep declare when splitting declarations

• linter/eslint/require-await: Count await using as an await

• linter/plugins: Include executing selectors in JS plugin rule timings

• react-compiler: Handle recursive function expressions

• react-compiler: Treat zero-argument new Date as impure

• oxlint: Skip type-aware lint rules in type-check-only mode

• oxlint: Skip undefined children in CFG walker

• parser: Handle HTML comment values

• linter/typescript/unified-signatures: Align rule with upstream

• linter/node/no-exports-assign: Change category from style to suspicious

• linter/import/no-duplicates: Distinguish import attributes

• linter/unicorn/prefer-spread: Stop checking string split calls

• linter/eslint/no-unused-vars: Honor ignore patterns inside array rest bindings

• linter/eslint/no-unused-vars: Recognize consumed update expressions

• linter/eslint/prefer-const: Ignore embedded assignments

Performance

• linter/eslint/no-unused-vars: Skip sequence checks when absent

Table of Contents

• Oxlint v1.84.0

• Oxfmt v0.69.0

Oxlint v1.84.0

Features

• oxlint,oxfmt: Find all vite.config.* variants

• linter: Report JavaScript plugin rule timings

• linter/unicorn/no-unreadable-iife: Implement suggestion

Bug Fixes

• linter/eslint/no-unused-vars: Report private namespace bindings

• oxlint/lsp: Align nested config handling with configPath semantics

• linter/esliny/no-unused-vars: Handle comments when removing imports

• linter/esliny/no-unused-vars: Preserve rest bindings when removing array elements

• linter/eslint/preserve-caught-error: Prevent conflicting fixes with prefer-optional-catch-binding

• linter/unicorn/consistent-function-scoping: Detect ancestor-only function captures

• linter/vitest/prefer-to-be-truthy: Suggest assertion rewrites

• parser: Preserve reparsed await tokens

• linter/react: Add a few more missing properties to no-unknown-property

Performance

• linter/eslint/no-restricted-exports: Skip inactive configurations

• linter/eslint/capitalized-comments: Avoid unnecessary case-conversion allocations

• linter/oxc/no-map-spread: Avoid collecting spread spans twice

• linter/eslint/no-inline-comments: Skip unnecessary JSX node scans

• linter/eslint/no-control-regex: Avoid temporary diagnostic allocations

• linter/promise/no-multiple-resolved: Avoid collecting executor parameters

• linter/jsx-a11y/anchor-ambiguous-text: Avoid temporary word allocations

• linter/react/jsx-handler-names: Avoid temporary prefix collections

• linter/typescript/consistent-generic-constructors: Avoid intermediate comment strings

• linter/typescript/triple-slash-reference: Avoid attribute parsing allocations

• linter/unicorn/prefer-export-from: Avoid temporary attribute vector

• linter/eslint/no-useless-assignment: Short-circuit identical scopes

Oxfmt v0.69.0

Features

• oxlint,oxfmt: Find all vite.config.* variants

• formatter_markdown: Keep frontmatter verbatim

• formatter_markdown: Implement markdown formatter

• formatter: Glue fbt component and text

Bug Fixes

• formatter_markdown: Fix real-world missmatches

• formatter: Keep after-operator comments in place

• formatter: Let union place leading comments at as|satisfies

• formatter: Fix block comment with RHS assignment and typecast-ed arrow body

• formatter: Preserve redundant parens for TSTypeAliasDeclaration with suppress comment

Table of Contents

• Oxlint v1.83.0

• Oxfmt v0.68.0

Oxlint v1.83.0

Features

• linter/react: Update lint rules to accomodate changes in React 19.3

Bug Fixes

• linter/unicorn/prefer-array-flat-map: Report .filter().flatMap() chains

• linter/unicorn/prefer-at: Report single-character substring calls

• linter/eslint/no-unused-vars: Respect rest params after-used option

• linter/eslint/no-unused-vars: Preserve ambient implicit exports

• linter/unicorn/prefer-global-this: Preserve window event method references

• linter/unicorn/prefer-default-parameters: Report violation for ??= and ||=

• linter/unicorn/prefer-array-flat: Skip plain concat normalization

• oxlint: Replace backlashes path for "no js runtime" diagnostic

• linter/typescript/prefer-for-of: Handle computed collections

• linter/typescript: Mark no-unnecessary-type-parameters and prefer-find suggestions as implemented

• linter: Compare label text in runtime optimization assertion

• linter: Include file path in diagnostic assertion

• parser: Reject return types on constructor overloads

Performance

• linter/react/jsx-pascal-case: Avoid temporary name segment vector

• linter/promise/catch-or-return: Avoid temporary formatting vectors

• linter/jsx-a11y/no-static-element-interactions: Avoid role vector

• linter/jsx-a11y/anchor-is-valid: Avoid temporary attribute vector

• deafdba linter/react/exhaustive-deps: Avoid temporary dependency vector

• linter/oxc/branches-sharing-code: Compute deletion spans lazily

• linter/react/jsx-curly-brace-presence: Avoid newline position allocation

• linter/eslint/no-restricted-properties: Skip empty configurations

• linter/oxc/no-barrel-file: Iterate module requests directly

• linter/unicorn/prefer-single-call: Avoid temporary argument vector

• linter/unicorn/prefer-includes: Reduce suggestion allocations

• linter/unicorn/no-new-buffer: Avoid temporary argument vector

• linter/jsdoc/require-yields: Short-circuit JSDoc checks

• linter/unicorn/no-useless-undefined: Skip calls without trailing undefined

• linter/eslint/no-unused-vars: Skip absent global declaration checks

• linter/eslint/no-undef: Check globals once per unresolved name

• linter/eslint/no-restricted-imports: Avoid redundant import scans

• linter/eslint/no-useless-assignment: Skip tracking exported symbols

• linter/unicorn/prefer-object-from-entries: Avoid allocating configured paths

• linter/eslint/new-cap: Avoid unnecessary callee name allocations

Oxfmt v0.68.0

Features

• formatter_core: Add prefix_align builder and Tag::(Start|End)Prefix

• formatter_test: Test Prettier dynamic snippet tests

Bug Fixes

• formatter: Keep an enum member's trailing suppress comment

• formatter: Unify suppress comment behavior

• oxfmt: Skip shutdown delay on fixed Node 24 releases

• formatter_css: Handle less-test-suites failures

• formatter: Keep group flat for own-line comment in JSX

• formatter_yaml: Clamp tab_width: 0 to 1 to keep semantics

• formatter_core: Do not panic with align(0)

• formatter: Check this_param for simple parameters test

• formatter: Keep cast-target assignment and commented parameter patterns

• oxfmt: Expand Fill parts in tsx-in-vue

Table of Contents

• Oxlint v1.82.0

• Oxfmt v0.67.0

Oxlint v1.82.0

Breaking changes

• breaking

  parser: Rename panicked to fatal_error in ParserReturn

Features

• linter/eslint/no-unmodified-loop-condition: Support checkConditionalExpressions option

Bug Fixes

• linter/unicorn/numeric-separators-style: Correct schema defaults

• jsx-a11y/anchor-has-content: Allow anchors passed as custom component props

• linter/eslint/id-length: Exempt TS interface/type-literal members with never

• ast_visit: Account for trimmed source offsets

• linter/typescript/no-explicit-any: Fix rest parameter to unknown

• linter/react/jsx-no-literals: Check nested JSX expression literals

• parser: Fix debug assert failure when lexer error with tokens enabled

• oxlint/lsp: Don't try to parse fix message, always fallback

• linter/eslint/no-useless-assignment: Handle destructuring assignments

• linter/eslint/no-array-constructor: Handle ASI hazards in fixer

• linter: Qualify rules in rules output

• linter/typescript/no-extraneous-class: Avoid deleting class expressions

• linter/eslint/no-unused-vars: Handle stored arrow references

Oxfmt v0.67.0

Breaking changes

• breaking

  parser: Rename panicked to fatal_error in ParserReturn

• breaking

  parser: Reduce MAX_LEN to 256 bytes below u32::MAX

Features

• formatter_css: Follow the oxc-css-parser's acceptance line

Bug Fixes

• formatter: Treat a JSDoc cast target as opaque in chain layouts

• formatter: Keep JSDoc cast parens with a comment inside them

• formatter_css: Keep comment inside important and simple-vars colon

• formatter_css: Keep a same-line line comment on its line

• formatter_css: Never drop comments inside an at-rule prelude

• formatter_css: Keep a line comment on its comma's line

• formatter_css: Hide raw comment printing API, use strcut instead

• formatter_css: Preserve comments around SCSS/Less variable values

• formatter_css: Keep leading comments before

• formatter_graphql: Align comment printing after open {

• formatter_css: Fix SCSS bracket list printing

• formatter_css: Preserve comment in SCSS paren comma list

• formatter_css: Print SCSS map consisntent with and without comment

• formatter_css: Preserve trailing comma in single-item scss lists

• oxfmt: Bump prettier-plugin-tailwindcss

Performance

• oxfmt: Match editorconfig once per file

• oxfmt: Match overrides once per file

• oxfmt: Share resolved FormatConfig via Arc instead of cloning per file

Table of Contents

• Oxlint v1.81.0

• Oxfmt v0.66.0

Oxlint v1.81.0

Features

• linter/nextjs/no-typos: Implement suggestion

Bug Fixes

• linter/lsp: Prevent tsgolint from holding onto processes

• linter/import/no-empty-named-blocks: Make empty value import removal a suggestion

• linter/eslint/object-shorthand: Preserve __proto__ semantics

• linter/unicorn/prefer-set-size: Ignore shadowed Set constructors

• linter: Clamp invalid JS plugin locations

• linter: Normalize reversed JS plugin locations

• linter/eslint/no-use-before-define: Run on JS, JSX files

• linter/unicorn/no-useless-spread: Treat typed arrays as a distinct value hint

• linter/react/no-unstable-nested-components: Check nested component object property names

• linter/eslint/no-unassigned-vars: Skip Svelte and Vue files

• linter/plugins: Fix interaction between JS plugins and Vue rules

• linter/plugins: Alter method for obtaining mutable Program when sending AST to JS plugins

• linter/unicorn/prefer-math-min-max: Avoid unsafe autofix

Oxfmt v0.66.0

Features

• formatter/css: Format declaration-shaped raw-prelude rules (postcss nested config blocks)

Bug Fixes

• formatter: Re-add suppressed statement terminators per options.semi

• formatter: Print suppressed typecast parens

• formatter/sort-imports: Handle custom side effect groups

• formatter: Do not skip cast comment lookup

• formatter: Preserve comment for statement terminators and binary casts

• formatter_css: Space a folded sign after a call in Less operations

• formatter/jsdoc: Follow CommonMark for interrupting lists and guard wrapping from creating them

• formatter: Apply head body policy everywhere

• formatter: Keep comments in their for-head slot, before an empty-statement body and do-while

• formatter: Keep comments between a head and its body out of the braces across all constructs

• formatter: Place comments between a head and open paren

• formatter: Place comments between a statement head and its body

• formatter: Print the idempotent placement for comments in dropped parens

• formatter_yaml: Keep trailing whitespace in block scalars

Performance

• diagnostics: Use fixed ANSI styles

Table of Contents

• Oxlint v1.80.0

• Oxfmt v0.65.0

Oxlint v1.80.0

Features

• linter/typescript/no-confusing-non-null-assertion: Implement suggestion

Bug Fixes

• linter/oxc/double-comparisons: Handle grouped logical expressions

• linter/eslint/no-control-regex: Refine help message text

• estree: Include decorators in FormalParameterRest spans

• linter/eslint/no-useless-rename: Preserve type modifiers

• rust: Address nightly deprecations

• linter/vue: Resolve vue imports via shared import helpers

• linter/react/no-react-children: Resolve react imports by symbol

• linter: Resolve globals by reference, not by name

• linter: Remove invalid React compiler doc links

Oxfmt v0.65.0

Bug Fixes

• formatter: Preserve class decorators before export when the statement is suppressed

Table of Contents

• Oxlint v1.79.0

• Oxfmt v0.64.0

Oxlint v1.79.0

Breaking changes

• breaking

  linter: Split react/react-compiler into per-category rules

See React Compiler Support for details.

Features

• linter/typescript/no-empty-object-type: Implement suggestion

Bug Fixes

• react_compiler: Skip node_modules by default

• linter/unicorn/no-array-callback-reference: Ignore effect library imports

• linter: Align React Compiler rule categories

• linter: Resolve inactive React compiler rules

• linter/eslint/no-useless-constructor: Allow parameter properties

• linter: Report exhaustive effect dependencies

• linter/eslint/no-return-assign: Anchor diagnostic on return stmt

• react-compiler: Improve derived state diagnostic

• linter/jest/prefer-mock-return-shorthand: Preserve implementations using this

• linter/eslint/no-redeclare: Run in ES modules, skipping only the globals check

• linter/unicorn/prefer-default-parameters: Mark fixer as a suggestion

• linter: Allow spread rule options in config types

• linter/typescript/no-useless-empty-export: Skip TS declaration files

• linter/typescript/no-useless-empty-export: Report after imports

• linter/typescript/no-unnecessary-type-conversion: Mark fixer as suggestion

• linter/typescript/explicit-module-boundary-types: Anchor diagnostics on arrows

• linter/eslint/array-callback-return: Anchor diagnostic on callback

• linter/eslint/preserve-caught-error: Handle AggregateError options

• linter: Improve React Compiler diagnostics

• react-compiler: Improve diagnostic spans

• linter/unicorn/prefer-string-replace-all: Apply fixes in one pass

• react-compiler: Standardize diagnostics

• linter/react/display-name: Report curried HOC inner component

• linter/import/no-named-as-default: Report local export conflicts

• linter/react/rules-of-hooks: Report hooks inside try blocks

• linter/eslint/no-eval: Align indirect default with ESLint

• linter/react/exhaustive-deps: Handle destructured object dependencies

• linter/eslint/no-unused-vars: Report bare underscore parameters

• linter/react/no-this-in-sfc: Detect this in nested arrow callbacks

• linter/typescript/no-var-requires: Run rule on JavaScript

• linter/eslint/no-irregular-whitespace: Check comments by default

• linter/import/no-named-default: Flag type-only named defaults

• linter/typescript/no-non-null-asserted-optional-chain: Detect assertions after continued optional chains

• linter/react/no-direct-mutation-state: Detect computed state mutations

• linter/unicorn/no-abusive-eslint-disable: Use directive prefix in diagnostic

• linter/eslint/max-classes-per-file: Anchor diagnostic at program start

• linter/eslint/no-multi-assign: Handle parenthesized declarator initializers

• linter/jest/expect-expect: Detect assertions in nested function declarations

• linter/no-large-snapshots: Precompile and document allowed snapshot matchers

• linter/eslint/prefer-promise-reject-errors: Report on spread arguments

• oxlint,oxfmt: Apply .gitignore only to walk targets, not explicitly named files

• semantic: Classify global references per identifier

• estree: Emit decorators on FormalParameterRest

• linter/plugins: Parse rule-less directive justifications

• linter/unicorn/prefer-node-protocol: Validate exact Node.js built-in specifiers

• linter/promise/no-multiple-resolved: Ignore unresolved globals

• linter/expect-expect: Validate assertion regex

• linter/react/exhaustive-deps: Treat binary expressions as a stable dependency

• linter: Allow capitalized built-in calls

• react_compiler: Bail out instead of panicking on "Expected a node for all scopes"

• linter/vitest/prefer-expect-assertions: Handle parameterized Vitest assertion suggestions

Performance

• linter: Shrink rule serialization dispatch

• estree_tokens: Share JS token update entry point

• linter: Compute sort keys once with sort_by_cached_key

• linter: Share config deserialization entry point

• oxlint: Reduce debug formatting code size

• linter: Use unstable sorts for unique keys

• linter: Outline diagnostic construction

• diagnostics: Preallocate graphical output

• diagnostics: Batch graphical reports

• linter: Use table for rule names

Oxfmt v0.64.0

Features

• oxfmt: Support experimentalOperatorPosition

• formatter: Implement operatorPosition option

Bug Fixes

• formatter: Fix comment and indent issues around unions

• formatter: Keep comments in place when dropping EmptyStatement

• formatter: Print JSDocUnknownType

• formatter: Keep nested awaited-paren member chain grouped in call arguments

• oxlint,oxfmt: Apply .gitignore only to walk targets, not explicitly named files

• formatter_css: Fill own-line block comments inside space-separated values

• formatter_css: Keep trailing comma and indent after comment-preceded last map value

• oxfmt: Mirror printer line suppression and restore dedent-to-root

• formatter: Keep unary comment and print only needed parens

• formatter_yaml: Consistent chomped eos behavior

• formatter_yaml: Bump oxc-yaml-parser for contentless block scalar

• formatter_css: Keep multi value function args intact after leading comment

Table of Contents

• Oxlint v1.78.0

• Oxfmt v0.63.0

Oxlint v1.78.0

Features

• linter/jsdoc: Implement no-blank-blocks rule

• linter/eslint: Implement one-var rule

• linter/jsx-a11y/anchor-has-content: Add options to match eslint

Bug Fixes

• linter/eslint/no-implicit-coercion: Preserve template coercion whitespace

• linter: Preserve source text for JS plugin ignore fixes

• linter/eslint/prefer-promise-reject-errors: Handle parenthesized calls

• linter/unicorn/new-for-builtins: Ignore optional chains

• linter/unicorn/prefer-code-point: Downgrade the auto-fix to dangerous

• linter/vitest: Validate consistent-test-filename regex patterns

• react_compiler: Disable exhaustive memo validation by default

• linter/eslint/no-unused-vars: Report invalid regex options

• linter/unicorn/prefer-array-flat: Fix concat.apply suggestions

• linter/react/rules-of-hooks: Detect constructor callbacks

• linter/unicorn/new-for-builtins: Support Float16Array

• linter/unicorn/error-message: Support SuppressedError messages

• linter: Assert token lookup invariants

• linter/eslint/no-unused-vars: Bound catch parameter lookup

• linter/unicorn/switch-case-braces: Bound token lookup

• linter/unicorn/no-static-only-class: Bound token lookup

• linter/unicorn/empty-brace-spaces: Bound token lookup

• linter/eslint/no-unreachable-loop: Do not report loops whose body has a finally block

• linter/eslint/no-param-reassign: Validate ignorePropertyModificationsForRegex property

• linter/eslint/no-throw-literal: False positive on variable declared without initializer

• oxlint: Normalize customized rule names

• linter/unicorn/consistent-existence-index-check: Bound token lookup

• linter/typescript/prefer-namespace-keyword: Bound token lookup

• linter/typescript/no-namespace: Bound token lookup

• linter/eslint/one-var: Avoid joining exported declarations

• linter/typescript: Validate ban-ts-comment description_format

• linter/typescript/consistent-type-definitions: Bound token lookup

• linter/typescript/consistent-generic-constructors: Bound token lookup

Performance

• linter: Reduce rule config dispatch size

• linter: Reduce visitor code size

• linter/unicorn/prefer-export-from: Narrow ExportFromDeclaration lookup

• linter/unicorn/prefer-default-parameters: Avoid reference allocation

• linter/vue/max-props: Narrow AST dispatch

• linter: Avoid diagnostic sorting after applying fixes

• oxlint/lsp: Avoid second lock for getting/removing unused directives

• oxlint/lsp: Preallocate fix-content vec

• linter: Avoid per-call heap allocations in jest and unicorn helpers

• linter: Avoid redundant message work in the agent reporter

• linter: Hoist current_dir out of the stylish reporter loop

• linter: Compute diagnostic Info once per diagnostic in junit reporter

• oxlint: Render JSON report into a single buffer

• linter/typescript/ban-ts-comment: Bail early with substring guard

• linter/typescript/ban-tslint-comment: Replace regex with manual parser

Oxfmt v0.63.0

Features

• oxfmt: Dispatch yaml-in-css(frontmatter) to oxc_formatter_yaml

• formatter_core: Add hardlineWithoutBreakParent equivalent IR

Bug Fixes

• oxfmt: Drop IR Space at line start for js-in-xxx

• formatter: Keep comments after TS this_param

• formatter: Format xxx-in-js inside JSDoc js fence

• formatter,oxfmt: Apply effective print width for JSDoc fence

• formatter_core: Unify leading-BOM handlings

• formatter: Break mapped type brackets

• formatter: Break index signature brackets

• formatter_css: Bump oxc-css-parser to accept unknown at-rule with interpolated

• formatter_core: Measure decided-flat fill separator as flat during group re-measure

• formatter_yaml: Don't rewrite overflowing key to implicit

Performance

• oxfmt: Spawn tinypool lazily

Table of Contents

• Oxlint v1.77.0

• Oxfmt v0.62.0

Oxlint v1.77.0

Breaking changes

• breaking

  semantic: Return borrowed JSDoc so the parse cache works

• breaking

  ast: Store single parameter in TSIndexSignature::parameter

• breaking

  ast: Introduce ExportDeclaration, ExportFromDeclaration

• breaking

  ast: Introduce ArrowFunctionBody enum

Features

• linter/oxc/bad-char-at-comparison: Expand coverage

• oxlint: Show file:line:col in github format annotation messages

Bug Fixes

• linter/unicorn/new-for-builtins: Detect parenthesized member expression object

• linter: Reject duplicate JS plugin names

• linter: Ignore unsigned shifts in prefer-math-trunc

• linter/eslint/prefer-promise-reject-errors: Handle ambient error variables

• linter/oxc/no-async-await: Bound token lookup

• linter/oxc/bad-bitwise-operator: Bound token lookups

• linter/import/no-duplicates: Bound token lookup

• linter/import/consistent-type-specifier-style: Bound token lookup

• linter/eslint/yoda: Bound token lookup

• linter/oxc/no-map-spread: Avoid recursive declaration traversal

• linter/eslint/prefer-promise-reject-errors: Move category to pedantic

• linter/eslint/require-await: Bound token lookup

• linter/eslint/prefer-template: Bound token lookup

• linter/unicorn/new-for-builtins: Align Date() diagnostic message with upstream

• linter/eslint/prefer-object-spread: Bound token lookup

• oxlint,oxfmt: Respect .gitignore for walk targets and explicit paths

• linter/eslint/prefer-const: Bound token lookup

• linter/eslint/object-shorthand: Bound token lookups

• linter/eslint/no-var: Bound token lookup

• linter/eslint/no-unused-vars: Bound token lookups

• linter/eslint/no-unexpected-multiline: Use bounded token lookup

• linter/eslint/eqeqeq: Use bounded token lookup

• linter: Make the remaining token lookups comment-aware

• linter/eslint/prefer-const: Skip Svelte and Vue files

• linter: Don't match tokens inside comments when locating spans

• linter/typescript/consistent-type-imports: Make token lookups comment-aware

• linter: Don't insert an ASI semicolon into an unbraced statement body

• linter/no-magic-array-flat-depth: Scan for ( by byte offset instead of character count

• linter: Index source text by byte offset instead of char count

• linter/eslint/no-warning-comments: Unify config structs and remove manual options docs

• linter/eslint/no-unreachable-loop: Handle caught errors correctly

• oxlint: Correct --warn flag help text

• linter/eslint/no-control-regex: Allow null escape

Performance

• linter/vue/no-side-effects-in-computed-properties: Borrow property names in the mutation walk

• linter/unicorn/prefer-export-from: Skip non-violating imports early

• linter/import/no-cycle: Drop two Vec allocations per graph edge

• linter/import/no-cycle: Skip the graph walk for acyclic modules

Oxfmt v0.62.0

Breaking changes

• breaking

  ast: Store single parameter in TSIndexSignature::parameter

• breaking

  ast: Change TSIndexSignatureName::name to Ident

• breaking

  ast: Introduce ExportDeclaration, ExportFromDeclaration

• breaking

  ast: Introduce ArrowFunctionBody enum

• breaking

  oxfmt: Format parser:yaml files by oxc_formatter_yaml

Features

• oxfmt: Support tsx-in-vue

• oxfmt: Colorize diff file list in check mode

Bug Fixes

• formatter_css: Preserve glued plugin words in grid values

• oxlint,oxfmt: Respect .gitignore for walk targets and explicit paths

• oxfmt: Rework tsx-in-vue support

• formatter_css: Bump oxc-css-parser for substituted at-rule preludes

• formatter: Hug arrows with type-reference return annotations

• oxfmt: Correct prose about comment width in fits measurement

• oxfmt/conformance: Fix typo

• formatter_yaml: Break long keys off a block scalar header

• formatter_yaml: Let ancestor collection values claim end comments after block scalars

• formatter_yaml: Align sequence container end comments to the dash width

• oxfmt: Type jsdoc. enum options

Performance

• formatter_css,formatter_graphql,formatter_yaml,formatter_json: Pre alloc IR buffers

Table of Contents

• Oxlint v1.76.0

• Oxfmt v0.61.0

Oxlint v1.76.0

Features

• linter: Verify eslint/no-restricted-globals config schema

• linter: Verify jest/vitest prefer-lowercase-title config schema

• linter/oxc: Add bad-match-all-arg rule

• linter/n: Implement exports-style rule

• linter/eslint: Implement id-denylist rule

• linter/typescript-eslint: Implement suggestion for class-literal-property-style rule

Bug Fixes

• linter: Mark missing suggestions as pending

• oxlint: Absolutize explicit CLI paths even with --no-ignore

• linter/jsx-a11y/interactive-supports-focus: Match eslint behavior for custom components

• linter/typescript/no-confusing-non-null-assertion: Report in and instanceof

• linter: Unicorn/no-array-reverse and no-array-sort replacements should be suggestions

• config: Preserve defineConfig field JSDoc

• linter/node/no-top-level-await: Clarify diagnostic

• linter/eslint/func-names: Ignore overloads

• estree: Handle empty spans serializing ImportMeta and NewTarget

Performance

• linter/jest-vitest/no-test-return-statement: Only run on return statements

• linter/eslint/func-style: Rewrite rule to not iterate over all nodes

• linter/eslint/no-new-func: Only run on new and call expressions

• linter: Avoid Vec allocations via bound_names

• linter/eslint/no-const-assign: Avoid Vec allocation per const declarator

• linter/typescript/adjacent-overload-signatures: Avoid collecting vec in some cases

• linter/node/exports-style: Iterate once over global references

• linter: Avoid allocations in jest/no-deprecated-functions

• linter: Speed up jest/vitest prefer-each

• linter/eslint/prefer-rest-params: Run once per file

• linter/eslint/no-this-before-super: Skip files without classes

• linter/plugins: Faster copying comments to JS allocator

• linter/plugins: Test booleans with explicit === false

• linter/plugins: Remove check in loop in getDisableDirectives

Oxfmt v0.61.0

Features

• oxfmt/lsp: Support oxc.fmt.disableNestedConfig

• formatter_yaml: Implement YAML formatter

Bug Fixes

• formatter_css: Keep leading + in An+B to enable idempotency check

• formatter: Stop preserving indent for embedded template exprs

• formatter_css: Align wrapped selector-arg indent

• formatter: Align quoted new signature

• formatter_yaml: Fix indent, blank, and spacing issues

• formatter: Check calee chain is_simple

• formatter_css: Keep non-ASCII strings with quotes

• config: Preserve defineConfig field JSDoc

• formatter_css: Print nested SCSS map with consistent indent

• formatter/jsdoc: Respect singleQuote option in @import

• formatter: Fix template literal formatting

Performance

• formatter_core: Bound the thread-local scratch cache

• formatter: Stage assignment-like left hand side on the heap

• formatter: Accumulate JSX child-list builders on the heap

• formatter_core: Share one thread-cached scratch vector across staging buffers

• formatter_core: Stage IR buffers on the heap to reduce arena memory