oxlint v0.2.9

What's Changed

Linter

• unicorn: no-process-exit rule by @leaysgur in #2410
• typescript: ban-tslint-comment by @tudorbarbu in #2371
• jest: require-to-throw-message by @keita-hino in #2384
• jest: prefer-equality-matcher by @eryue0220 in #2358
• jest: detect jest file by default glob pattern by @mysteryven in #2408
• implement from_configuration for jsx-a11y autocomplete-valid by @tudorbarbu in #2404

Fixes

• getter-return false positive with TypeScript syntax by @Boshen in #2363
• add missing typescript-eslint(_) prefix for some errors by @maurice in #2342
• jsx_a11y: Ensure plugin settings are used by @leaysgur in #2359
• jsx_a11y: Refactor jsx-a11y related utils and its usage by @leaysgur in #2389

Parser

• recover from async x [newline] => x by @Boshen in #2375
• fix incorrect parsing of class accessor property name by @Dunqing in #2386
• remove erroneous debug assertion by @overlookmotel in #2356

New Contributors

• @tudorbarbu made their first contribution in #2404

Full Changelog: oxlint_v0.2.8...oxlint_v0.2.9

oxlint v0.2.8

What's Changed

This release addresses a long-standing issue where the AST had memory leaks.
I can finally sleep well, knowing that my software is free of memory leaks 😀

Moreover, the parser is now 4% faster (again!), thanks to @overlookmotel's improvements.

New Rules

• Implement no_this_before_super with cfg by @TzviPM in #2254
• add typescript-eslint rule array-type by @luhc228 in #2292

Fixes

• add regression case for require-yield by @Boshen in #2326
• fix no_dupe_keys false postive on similar key names by @Boshen in #2291

Parser

• fix memory leak by implementing inlineable string for oxc_allocator by @Boshen in #2294
• fix BigInt memory leak by removing it by @Boshen in #2293
• perf: lexer replace Chars with Source by @overlookmotel in #2288

Full Changelog: oxlint_v0.2.7...oxlint_v0.2.8

oxlint v0.2.7

What's Changed

This release fixes a critical bug where errors not being reported from finally block of try/catch/finally.

New Rules

• implement @next/next/no-before-interactive-script-outsi… by @kaykdm in #2203
• implement @next/next/no-unwanted-polyfillio by @kaykdm in #2197

Features

• complete custom components setting by @hjiog in #2234
• ban --fix for variety files(vue, astro, svelte) by @mysteryven in #2189

Fixes

• Better report source line and col for multiline annotations by @maurice in #2242
• Better source line and column numbers by @maurice in #2213
• display target triple when error is thrown by @Boshen in #2259
• correct the span for irregular whitespaces by @Boshen in #2245
• jsx no undef match scope should check with ancestors by @xxleyi in #2027

Parser

• feat(ast): TypeScript definition for wasm target by @H-Plus-Time in #2158
• feat(ast): remove expression property from Function by @Dunqing in #2247
• feat(ast): remove generator property from ArrowFunction by @Dunqing in #2260
• feat(ast): remove serde skip for symbol_id and reference_id by @Dunqing in #2220
• perf(parser): faster offset calculation by @overlookmotel in #2215
• perf(parser): pad Token to 16 bytes by @overlookmotel in #2211

New Contributors

• @xxleyi made their first contribution in #2027
• @H-Plus-Time made their first contribution in #2158
• @TzviPM made their first contribution in #2210

Full Changelog: oxlint_v0.2.6...oxlint_v0.2.7

oxlint v0.2.6

What's Changed

VSCode

• feat(vscode): allow config path configuration by @Djiit in #2172

Linter

• support read eslint env from eslintrc by @fi3ework in #2130
• rename react_perf/jsx_no_new_function_as_props to jsx_no_new_function_as_prop by @leaysgur in #2175

Semantic

• control flow graph prototype by @Boshen in #2019

Cli

• add --version by @Boshen in #2182

New Contributors

• @Djiit made their first contribution in #2172

Full Changelog: oxlint_v0.2.5...oxlint_v0.2.6

oxlint v0.2.5

What's Changed

This release matched all linter rule names with their ESLint counterparts.

• fix(linter): use correct rule name by @leaysgur in #2169

New Rules

• react: jsx-no-target-blank by @hjiog in #2149
• eslint: no-void by @eryue0220 in #2162
• jest: prefer-called-with by @eryue0220 in #2163

Fixes

• fix(linter): explicit-length-check inside ternary by @maurice in #2165

New Contributors

• @xc2 made their first contribution in #2155
• @hjiog made their first contribution in #2149

Full Changelog: oxlint_v0.2.4...oxlint_v0.2.5

oxlint v0.2.4

What's Changed

Fixed linux installation failures.

Full Changelog: oxlint_v0.2.3...oxlint_v0.2.4

oxlint v0.2.3

What's Changed

New eslint-plugin-react-perf

oxlint --react-perf-plugin

• eslint-plugin-react-perf by @byteHulk in #2086

Differenciate linux gnu / musl binary targets

• linux-x64-gnu
• linux-arm64-gnu
• linux-x64-musl
• linux-arm64-musl

• ci: release oxlint with linux-{x64-gnu, arm64-gnu, x64-musl, arm64-musl} by @Boshen in #2126

New Rules

• jest: no-restricted-matchers by @eryue0220 in #2090
• jest: no-restricted-jest-methods by @eryue0220 in #2091
• import: no-named-as-default by @XantreGodlike in #2109
• unicorn: promote no-new-array to correctness with better help message by @Boshen in #2123

Favor Array.from({ length: n }) and [onlyElement] instead of ambiguous new Array(arg)

Improvements

• eslint config jsonc support by @Boshen in #2121
• support eslint config in nextjs eslint by @kaykdm in #2107
• complete img-redundant linter by @msdlisper in #2112

Fixes

• cli: disallow path pointing to parent directories by @Boshen in #2125
• fix panic in prefer-native-coercion-function by @camc314 in #2100
• allow [...new Array(n)] in no-useless-spread by @Boshen in #2124
• not use new_inline with flexible str by @mysteryven in #2106

New Contributors

• @byteHulk made their first contribution in #2086

Full Changelog: oxlint_v0.2.2...oxlint_v0.2.3

oxlint v0.2.2

What's Changed

• fix(parser): fix crash on TSTemplateLiteralType in function return position by @Boshen in #2089
• feat(linter): improve no_redeclare rule implementation by @Dunqing in #2084
• refactor(linter): perfect the scope linter by @msdlisper in #2092
• fix(linter): s/consistent-type-export/consistent-type-exports by @Boshen in #2065
• feat(linter): eslint-plugin-import no-named-as-default-member rule by @XantreGodlike in #2071

New Contributors

• @CzhCN0 made their first contribution in #2054

Full Changelog: oxlint_v0.2.1...oxlint_v0.2.2

oxlint v0.2.1

Try it out!

• Run npx --yes oxlint@latest from your terminal
• Install the VSCode extension https://marketplace.visualstudio.com/items?itemName=oxc.oxc-vscode
• Read the usage guide

New Rules

• eslint-plugin-next: no-document-import-in-page by @kaykdm in #1997
• eslint-plugin-next: no-head-element by @kaykdm in #2006
• eslint-plugin-next: no-typos by @kaykdm in #1978
• eslint-plugin-jsx-a11y: aria-activedescendant-has-tabindex by @keita-hino in #2012
• eslint-plugin-jsx-a11y: click-events-have-key-events by @leaysgur in #1976
• eslint-plugin-jsx-a11y: no-redundant-roles rule by @yossydev in #1981
• eslint-plugin-import: no-named-as-default-member rule by @XantreGodlike in #1988

Improvements

Linter

• fix(linter) fix false positive for erasing-op in 0/0 case by @camc314 in #2009
• fix(linter): false positive for filename_case where filename doesn't have a proper casing by @Boshen in #2032
• fix(linter): keep rules disabled if the rule is not enabled in the config by @Boshen in #2031

41% faster after removing the --timings feature

• feat(linter): remove the --timings feature by @Boshen in #2049

Parser - 7% faster than the previous version

• perf(parser): reduce Token size from 16 to 12 bytes by @Boshen in #2010
• perf(parser): lexer byte handlers consume ASCII chars faster by @overlookmotel in #2046
• perf(parser): lexer match byte not char by @overlookmotel in #2025
• refactor(parser): lexer handle unicode without branch by @overlookmotel in #2039
• refactor(parser): remove extraneous code from regex parsing by @overlookmotel in #2008
• refactor(parser): remove noop code by @overlookmotel in #2028

Full Changelog: oxlint_v0.2.0...oxlint_v0.2.1

oxlint v0.2.0

Try it out!

• Run npx --yes oxlint@latest from your terminal
• Install the VSCode extension https://marketplace.visualstudio.com/items?itemName=oxc.oxc-vscode
• Read the usage guide

Better configuration support

oxlint -c ./eslintrc.json

will use the rules field for rule configuration, as documented in ESLint's documentation.

Unfortunately, only the json format is supported right now.

The extends field will not take effect; normal -D and -A flags still apply.

To add / remove / configure a rule:

{
  "rules": {
      "no-empty": "off", // removes the rule
      "no-empty": "error", // adds the rule
      "no-empty": ["error", { "allowEmptyCatch": true }]` configures the rule
  }
}

Next.js Plugin

oxlint --nextjs-plugin

• google-font-display by @camc314 in #1931
• google-font-preconnect by @camc314 in #1932
• inline-script-id by @camc314 in #1933
• next-script-for-ga by @camc314 in #1934
• no-assign-module-variable by @camc314 in #1935
• no-async-client-component by @camc314 in #1936
• no-css-tags by @camc314 in #1937
• no-head-import-in-document by @camc314 in #1957
• no-img-element by @camc314 in #1951
• no-script-component-in-head by @camc314 in #1954
• no-sync-scripts by @camc314 in #1953
• no-title-in-document-head by @camc314 in #1952

Vscode

• support vue, astro and svelte by @IWANABETHATGUY in #1923

New Rules

correctness

• react: require-render-return by @kaykdm in #1946
• react: no-direct-mutation-state by @zhangrunzhao in #1892
• typescript: triple-slash-reference by @kaykdm in #1903
• jsx-a11y: role-support-aria-props by @re-taro in #1961
• jsx-a11y: role-has-required-aria-props rule by @yossydev in #1881
• jsx-a11y: autocomplete-valid by @yossydev in #1901

restriction

• react: no-unknown-property by @XantreGodlike in #1875

style

• jest: no-test-return-statement by @eryue0220 in #1979

Fixes

Linter

• always print without considering the --max-warnings option by @Boshen in #1996
• support vue generic component by @Boshen in #1989
• Support cases where aria-hidden includes expressions by @keita-hino in #1964
• allow eslintrc to add rule when overriding by @fi3ework in #1984
• fix plugin name parsing when reading config file by @haocheng6 in #1972
• handle anonymous functional components in arrays that have a function body by @maurice in #1983

Parser

• unexpected ts type annotation in get/set by @Dunqing in #1942

Improvements

• Parser is 10% faster than the previous version
  • only allocate for escaped template strings by @Boshen in #2005
  • reduce Token size from 32 to 16 bytes by @Boshen in #1962
  • reduce work parsing regexps by @overlookmotel in #1999
  • remove TokenValue::BigInt from Token by @Boshen in #1924
  • remove TokenValue::Number from Token by @Boshen in #1945
  • remove TokenValue::RegExp from Token by @Boshen in #1926
  • remove string builder from number parsing by @Boshen in #2002

New Contributors

• @bmeck made their first contribution in #1950
• @leaysgur made their first contribution in #1965
• @keita-hino made their first contribution in #1964
• @kaykdm made their first contribution in #1946
• @underfin made their first contribution in #1967
• @fi3ework made their first contribution in #1984
• @luhc228 made their first contribution in #1993

Full Changelog: oxlint_v0.1.2...oxlint_v0.2.0