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oxlint v0.1.2

06 Jan 17:10
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Boshen Boshen
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Svelte support

<script> tag is linted by default.

Features

  • feat(linter): <script> part of svelte file by @Boshen in #1918
  • feat(linter): disable no-unused-labels for svelte by @Boshen in #1919

Fixes

Full Changelog: oxlint_v0.1.1...oxlint_v0.1.2

Contributors

Boshen, IWANABETHATGUY, and camc314
Assets 14
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oxlint v0.1.1

06 Jan 13:31
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Vue support

<script> and <script setup> are linted by default.

Astro support

Frontmatter component script --- and all <script> tags are linted by default.

Configuration files (experimental)

-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.

New Rules

Correctness

Suspicious

Restriction

Fixes

  • fix(linter): ignore anonymous functional components in arrays for eslint-plugin-react(jsx-key) by @maurice in #1858
  • Prioritize ignored paths when linting by @clarkf in #1878
  • feat(linter): handle more cases for const-comparisons by @camc314 in #1817
  • feat(semantic): allow reserved keyword defined in ts module block by @Dunqing in #1907
  • fix(parser): error on source larger than 4 GiB by @overlookmotel in #1860
  • fix(parser): fix incorrectly identified directives by @overlookmotel in #1885
  • fix(parser): terminate parsing if an EmptyParenthesizedExpression error occurs by @Dunqing in #1874
  • fix(semantic): remove duplicate errors in ModuleDeclaration::ImportDeclaration by @Dunqing in #1846
  • perf(linter): reduce the number of diagnostics for no_sparse_arrays by @camc314 in #1895

New Contributors

Full Changelog: oxlint_v0.0.22...oxlint_v0.1.1

Contributors

maurice, clarkf, and 12 other contributors
Assets 2
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oxlint v0.0.22

25 Dec 06:50
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What's Changed

New Rules

Reports errors when a comparison is redundant, or impossible.

A redundant check would be foo > 5 && foo > 10
An impossible check would be foo > 5 && foo < 5

Screenshot 2023-12-17 at 21 18 34

https://rust-lang.github.io/rust-clippy/master/index.html#/redundant_comparisons
https://rust-lang.github.io/rust-clippy/master/index.html#/impossible

https://rust-lang.github.io/rust-clippy/master/index.html#/double_comparisons

Screenshot 2023-12-17 at 22 34 06

Performance

10 - 20% faster than the previous version.

Sampling from an internal codebase (119900 files) - Before 12.8s vs 11.2s after.

Improvements

Fixes

  • skip run lint when --rules is passed by @camc314 in #1747
  • conflict between --import-plugin and -D correctness by @camc314 in #1729
  • support read the third item in config file by @mysteryven in #1771
  • correct example and docs url for number_arg_out_of_range by @legend80s in #1737
  • false positives for empty brace spaces by @camc314 in #1742
  • fix incorrect report in prefer-string-replace-all by @camc314 in #1796
  • fix a typo in no_redeclare message by @modderme123 in #1789
  • eslint/no-obj-calls: correctly resolves the binding name by @Dunqing in #1738

parser

New Contributors

Full Changelog: oxlint_v0.0.21...oxlint_v0.0.22

Contributors

overlookmotel, Boshen, and 9 other contributors
Assets 14
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oxlint v0.0.21

18 Dec 11:30
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What's Changed

Features

Read eslint JSON configuration (experimental)

Added the configuration flag -c .eslintrc.json.

Oxlint will override all the enabled rules to what's specified in rules, e.g.

{
    "rules": {
        "eqeqeq": "off",
        "curly": "error",
        "quotes": ["error", "double"]
    }
}

New Rules

  • eslint-plugin-jsx-a11y: no-access-key (correctness) by @yoshi2no in #1708
  • eslint-plugin-jsx-a11y: tabindex-no-positive (correctness) by @yoshi2no in #1677
  • eslint-plugin-import: export rule (nursery) by @mysteryven in #1654
  • eslint-plugin-unicorn: no-null (style) by @Ken-HH24 in #1705
  • eslint-plugin-unicorn: prefer-dom-node-text-content (style) by @Ken-HH24 in #1658
  • eslint-plugin-unicorn: prefer-prototype-methods (pedantic) by @haocheng6 in #1660

vscode

Fixes

  • fix(parser): false postive for "Missing initializer in const declaration" in declare + namespace by @Boshen in #1724
  • convert catch error name to a warning by @camc314 in #1700
  • Don't check for multiple bits at once. by @AndyA in #1688
  • Fix false positives in prefer string start, ends with, port more test cases by @camc314 in #1689
  • Panic in prefer string starts, ends with by @camc314 in #1684
  • excape_case by @RiESAEX in #1673
  • false positive in jsx key by @camc314 in #1686
  • improve diagnostic for no useless spread by @camc314 in #1698
  • perf(linter): find class node by symbols in get_parent_es6_component by @Dunqing in #1657
  • refactor(linter): make some jest rules report more detailed by @mysteryven in #1666

New Contributors

Full Changelog: oxlint_v0.0.20...oxlint_v0.0.21

Contributors

AndyA, Boshen, and 11 other contributors
Assets 14
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oxlint v0.0.20

13 Dec 05:52
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What's Changed

Full Changelog: oxlint_v0.0.19...oxlint_v0.0.20

Contributors

IWANABETHATGUY, camc314, and Ken-HH24
Assets 14
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oxlint v0.0.19

08 Dec 10:44
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New Rules

Performance

This is a new category turned off by default. See it in action with

npx --yes oxlint@latest -D perf

Did you know that the reudce + ...spread combo is an O(n^2) operation?

image

Read https://prateeksurana.me/blog/why-using-object-spread-with-reduce-bad-idea/ for detailed explaination.

noAccumulatingSpread is also part of Biome since v1.

Correctness

Pedantic

  • eslint-plugin-unicorn: prefer-native-coercion-functions (pedantic) by @camc314 in #1507
  • eslint-plugin-unicorn: no-unreadable-iife by @haocheng6 in #1572
  • eslint-plugin-unicorn: escape-case by @RiESAEX in #1495
  • eslint-plugin-unicorn: explicit-length-check by @RiESAEX in #1617

Suspicious

Restriction

Style

  • eslint-plugin-unicorn: no-await-expression-member by @Ken-HH24 in #1569
  • eslint-plugin-unicorn: no-unreadable-array-destructuring (style) by @Ken-HH24 in #1594
  • eslint-plugin-unicorn: numeric-separators-style (style) by @sirreal in #1490
  • eslint-plugin-unicorn: prefer-node-protocol by @IWANABETHATGUY in #1618
  • eslint-plugin-unicorn: prefer-reflect-apply(style) by @Ken-HH24 in #1628
  • eslint-plugin-unicorn: require-array-join-separator(style) by @Ken-HH24 in #1608

Fixes

New Contributors

Full Changelog: oxlint_v0.0.18...oxlint_v0.0.19

Contributors

milesj, sirreal, and 11 other contributors
Assets 8
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oxlint v0.0.18

22 Nov 07:16
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oxlint has 78 correctness rules turned on by default, with 164 rules in total.

What's Changed

Features

If you wish to fail CI with exit code 1, pin oxlint to a version and use the --deny-warnings flag:

npx [email protected] --deny-warnings
image

Notice $? prints 1.

New Rules

Correctness

Pedantic

  • eslint-plugin-unicorn: no lonely if by @camc314 in #1252
  • eslint-plugin-unicorn: no negated condition by @camc314 in #1253
  • eslint-plugin-unicorn: no this assignment by @camc314 in #1250
  • eslint-plugin-unicorn: no typeof undefined by @camc314 in #1251
  • eslint-plugin-unicorn: no useless promise resolve reject by @camc314 in #1254
  • eslint-plugin-unicorn: prefer array some by @camc314 in #1467
  • eslint-plugin-unicorn: prefer dom node append by @camc314 in #1256
  • eslint-plugin-unicorn: prefer dom node dataset by @camc314 in #1257
  • eslint-plugin-unicorn: prefer dom node remove by @camc314 in #1472
  • eslint-plugin-unicorn: prefer event target by @camc314 in #1465
  • eslint-plugin-unicorn: prefer math trunc by @camc314 in #1466
  • eslint-plugin-unicorn: prefer string replace all by @camc314 in #1248
  • eslint-plugin-unicorn: no useless switch case by @camc314 in #1463
  • eslint-plugin-unicorn: no-hex-escape by @RiESAEX in #1410

Restriction

Style

Fixes

Misc

New Contributors

Full Changelog: oxlint_v0.0.17...oxlint_v0.0.18

Contributors

shannonrothe, sirreal, and 11 other contributors
Assets 8
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oxlint v0.0.17

09 Nov 05:29
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What's Changed

Features

The final dot is no longer required by the CLI #1201:

npx oxlint@latest

This is the same as npx oxlint@latest ., where the current working directory will be scanned.

This is an alignment with ESLint v9, see https://eslint.org/blog/2023/11/whats-coming-in-eslint-9.0.0/#running-eslint-with-no-file-arguments

What's Changed

New rules by category

Style

  • eslint-plugin-unicorn: prefer-optional-catch-binding by @camc314 in #1188
  • eslint-plugin-unicorn: prefer-spread by @camc314 in #1186

Fixes

  • fix(linter): fix handling of repeated eslint-disable comments by @haocheng6 in #1200

Full Changelog: oxlint_v0.0.16...oxlint_v0.0.17

Contributors

haocheng6 and camc314
Assets 8
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oxlint v0.0.16

08 Nov 05:13
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What's Changed

Features

Use the following cli flags to enable the import / jest / jsx-a11y plugins

Enable Plugins
        --import-plugin       Enable the experimental import plugin and detect ESM problems
        --jest-plugin         Enable the Jest plugin and detect test problems
        --jsx-a11y-plugin     Enable the JSX-a11y plugin and detect accessibility problems

New rules by category (19 in total)

Correctness (turned on by default)

  • eslint-plugin-unicorn: no-invalid-remove-event-listener by @camc314 in #1147
  • eslint-plugin-unicorn: no-useless-fallback-in-spread @camc314 in #1176
  • eslint-plugin-jsx-a11y: alt-text by @manzt in #1126

Suspicious

Pedantic

Style

Nursery

Fixes

  • reduce the lookup times of Call Expression in Jest rules by @mysteryven in #1184
  • parse configuration for unicorn/filename-case by @camc314 in #1145
  • fix covered span of eslint-disable-next-line comments by @haocheng6 in #1128

New Contributors

Full Changelog: oxlint_v0.0.15...oxlint_v0.0.16

Contributors

yesmeck, eryue0220, and 7 other contributors
Assets 8
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oxlint v0.0.15

30 Oct 16:42
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What's Changed

  • fix(linter) Improve span for jsx key by @camc314 in #1040
  • feat(linter): eslint-plugin-react/no-find-dom-node by @haocheng6 in #1031
  • reactor(linter): Refactor jsx key rule to use static_property_info by @camc314 in #1043
  • feat(linter): eslint-plugin-react(no-unescaped-entities) by @camc314 in #1044
  • feat(linter): support react/no-render-return-value by @Dunqing in #1042
  • feat(linter): eslint-plugin-react no-string-refs by @manzt in #1053
  • feat(linter): eslint-plugin-unicorn - no-empty-file by @camc314 in #1052
  • feat(linter) eslint-plugin-unicorn - text-encoding-identifier-case by @camc314 in #1051
  • feat(linter): support react/no-string-refs by @Dunqing in #1055
  • feat(linter) eslint-plugin-unicorn - prefer-logical-operator-over-ternary by @camc314 in #1064
  • fix(linter): noTemplateLiterals configuration in no_string_refs rule not working by @Dunqing in #1063
  • fix(linter) fix incorrect reporting for no_useless_escape by @camc314 in #1062
  • feat(linter): eslint-plugin-unicorn switch-case-braces by @Dywanoid in #1054
  • feat(linter): eslint-plugin-unicorn require-number-to-fixed-digits-argument by @Dywanoid in #1073
  • fix(linter) Fix panic on no_mixed_operators rule by @camc314 in #1094
  • fix(linter) Fix panic on no useless escape by @camc314 in #1092
  • fix(linter) Fix panic when using ban ts comment on conformace tests by @camc314 in #1097
  • fix(linter) Report error instead of panicing if the file fails to open by @camc314 in #1098
  • fix(linter): revert changes to JSX attribute strings by @Boshen in #1101
  • fix(linter): fix panic in no_unescaped_entities by @Boshen in #1103
  • fix(linter/no_empty_file): point to start of file instead of the entire file by @Boshen in #1105
  • feat(linter/no_children_prop): point the span to "children" by @Boshen in #1106
  • feat(linter): support unicorn/prefer-query-selector by @Dunqing in #1068
  • feat(linter): demote prefer_array_flat_map to style by @Boshen in #1108
  • fix(linter/no_render_return_value): fix false positive when nested inside an arrow expression by @Boshen in #1109
  • chore(linter/no_unescaped_entities): demote to pedantic by @Boshen in #1110
  • fix(linter/no-render-return-value): remove duplicate test case by @Dunqing in #1111
  • feat(linter): change some rules pedantic and improve help message by @Boshen in #1112
  • chore(linter): move all import plugin rules to nursery by @Boshen in #1113

New Contributors

Full Changelog: oxlint_v0.0.14...oxlint_v0.0.15

Contributors

Boshen, haocheng6, and 5 other contributors
Assets 8
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