test(linter/plugins): add tests for `.ts`, `.mts`, `.cts` plugin files #14164

overlookmotel · 2025-09-26T15:02:39Z

Add tests for loading all types of TS files as plugins - .ts, .mts, .cts.

overlookmotel · 2025-09-26T15:02:58Z

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overlookmotel · 2025-09-26T15:03:43Z

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Sep 26, 3:03 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
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apps/oxlint/test/fixtures/load_paths/.oxlintrc.json

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Pull Request Overview

This PR adds comprehensive test coverage for TypeScript plugin file loading in the oxlint linter, enabling support for .ts, .mts, and .cts plugin files alongside the existing JavaScript formats.

Adds test fixtures for TypeScript plugin files (.ts, .mts, .cts)
Updates build configuration to generate TypeScript declaration files
Exports TypeScript types for better plugin development experience

Reviewed Changes

Copilot reviewed 20 out of 28 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
apps/oxlint/tsdown.config.ts	Refactors build config to generate .d.ts files and handle multiple entry points
apps/oxlint/test/fixtures/load_paths/	Adds new TypeScript plugin test fixtures and updates test configuration
apps/oxlint/test/fixtures/defineRule/	Updates existing tests to use TypeScript plugin files
apps/oxlint/test/fixtures/definePlugin/	Updates existing tests to use TypeScript plugin files
apps/oxlint/src-js/	Exports TypeScript types and interfaces for plugin development
apps/oxlint/package.json	Adds TypeScript declaration file reference and dependencies

Files not reviewed (1)

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apps/oxlint/test/fixtures/load_paths/plugins/plugin5.cts

#14164) Add tests for loading all types of TS files as plugins - `.ts`, `.mts`, `.cts`.

oxc-project#14164) Add tests for loading all types of TS files as plugins - `.ts`, `.mts`, `.cts`.

## [1.19.0] - 2025-09-29 ### 🚀 Features - eb6345f linter/unicorn: Implement no-array-callback-reference (#14230) (camc314) - c64fa61 linter: Add `import/no-named-export` rule (#14229) (yefan) - d30159b linter: Fix for unsorted keys (#14225) (Hamir Mahal) - acd1266 linter/plugins: `oxlint` export types (#14163) (overlookmotel) - c0e461f linter: Add `unicorn/no-array-sort` rule (#14117) (Cason Kervis) - 00954de linter/plugins: Remove `--js-plugins` CLI option (#14134) (overlookmotel) - b4d716f linter/plugins: Move custom JS plugin config to `jsPlugins` (#14133) (overlookmotel) - 60f0b3f linter: Add fix for `preserve-caught-error` (#14104) (Cam McHenry) - 2d74c17 linter/no-multiple-resolved: Implement promise rule no-multiple-resolved (#13420) (Li Wei) - 5e05d1b semantic: Put jsdoc behind linter feature, remove runtime flag (#14140) (Boshen) - 71af1aa semantic: Add "linter" feature (#14139) (Boshen) - 1a6d7ae linter: Add `vue/max-props` rule (#14039) (yefan) - 9c3afea linter/plugins: Support fixes (#14094) (overlookmotel) - 1472147 linter: Move `no-unused-expressions` to correctness (#14099) (camchenry) - 8b7c784 linter: Add react/jsx-pascal-case rule (#12165) (Mikhail Baev) - c796966 linter/plugins: Add `meta` property to rules (#14089) (overlookmotel) ### 🐛 Bug Fixes - 39a171e linter: Get cli args on JS side, to avoid runtime inconsistencies (#14223) (camc314) - e045391 linter/plugins: Error on JS plugin with reserved name (#14226) (overlookmotel) - 6005015 linter: Correctly handle CRLF when inserting disable comments in framework files (#14228) (shulaoda) - 37f6b09 linter/plugins: Make `null` a valid value for `meta.fixable` (#14204) (overlookmotel) - 8879b5a linter/plugins: Add types export to `npm/oxlint` (#14219) (overlookmotel) - e37c435 language_server: Correct position for "ignore this rule for this file" in vue/astro/svelte files (#14187) (Sysix) - f8abab2 editor: Stricter path validation for `oxc.path.server` (#14202) (Sysix) - e9a14d1 linter/plugins: Allow `fix` function to return `undefined` (#14182) (overlookmotel) - ee9ecbe linter/plugins: Fix TS type for fixer methods (#14166) (overlookmotel) - 03d1684 linter/plugins: Output warning on first JS plugin load (#14165) (overlookmotel) - 9716f7c linter/plugins: Fix TS types (#14162) (overlookmotel) - d36d227 language_server: Don't lint file on code action when it is already ignored (#13976) (Sysix) - 353bfe7 language_server: Check if tsconfig path is a file before starting the `LintService` (#14126) (Sysix) - fc7026d linter: Add missing `NODE_TYPES`, `cfg_id` method for no-multiple-resolved (#14147) (camc314) - 180c790 linter: Fix false positive in `no-restricted-globals` (#14135) (yefan) - 4a4fce8 linter: Fix cli argument parsing (#14112) (camc314) - 9f3e2bc linter/plugins: Output errors thrown in JS plugins (#14096) (overlookmotel) - 357a2d3 linter: Add support for `tsgolint.exe` on Windows (#14101) (camchenry) - 2604b28 linter: Fix lint errors building `oxlint` (#14095) (overlookmotel) - d8e9cc5 linter/plugins: Validate type of `before` and `after` hooks (#14086) (overlookmotel) ### 🚜 Refactor - 4c3f1ac linter: Move `BUILT_IN_ERRORS` to utils file (#14221) (camc314) - 61ec0a7 linter/plugins: Simplify creation of `context` in `defineRule` ESLint shim (#14206) (overlookmotel) - 7a0eb57 language_server: Refactor ignore code action logic as a linter fix (#14183) (Sysix) - 3b1fe6f linter/plugins: Flatten directory structure of `dist` (#14199) (overlookmotel) - d52cba6 linter: Bump TSDown to latest (#14198) (overlookmotel) - 983dd1b linter/plugins: Add `Fixer` type (#14180) (overlookmotel) - 2f8b076 linter/plugins: Remove dead code (#14178) (overlookmotel) - 497236e semantic: Move AstNode::cfg_id to struct of arrays in AstNodes (#14137) (Boshen) - 5ba765c semantic: Move AstNode::flags to struct of arrays in AstNodes (#14136) (Boshen) - ffc810d linter: `preserve-caught-errors`: rename config and add docs (#14103) (camchenry) - f91db73 linter: Add `CompositeFix::merge_fixes_fallible` method (#14093) (overlookmotel) - e55ffe0 curly: Enhance curly brace rule configuration and handling (#13498) (Antoine Zanardi) - 2fb69fd eslint/eqeqeq: Clean up implementation and improve documentation (#13527) (Antoine Zanardi) - e69cd86 linter/plugins: `loadPluginImpl` return an object (#14087) (overlookmotel) ### 📚 Documentation - b83b1bd language_server: Docs for `Backend` struct (#14172) (Sysix) - 3106ba0 language_server: Docs for `WorkspaceWorker` (#14161) (Sysix) - b19f5bc linter/plugins: Improve JSDoc comments for `definePlugin` and `defineRule` (#14159) (overlookmotel) ### ⚡ Performance - 2575065 linter/plugins: Store if rule is fixable as boolean (#14205) (overlookmotel) - b6d2546 linter: Reduce string cloning in tsgo fixes (#14092) (overlookmotel) - c94c5dc linter: Remove allocation in `CompositeFix::merge_fixes` (#14090) (overlookmotel) ### 🧪 Testing - be58d6d language_server: Fix test for ServerFormatter in windows (#14210) (Sysix) - a9b603e linter/plugins: Convert all plugins in tests to TS (#14200) (overlookmotel) - 6ff3a23 linter/plugins: Add tests for `.ts`, `.mts`, `.cts` plugin files (#14164) (overlookmotel) - 8988d64 linter/plugins: Add line breaks to plugins files (#14181) (overlookmotel) - d7041c1 language_server: Add linebreaks for formatter snapshot (#14173) (Sysix) - 52db331 linter/plugins: Type-check test fixtures (#14158) (overlookmotel) - aca083a linter/plugins: Include stderr output in snapshots (#14155) (overlookmotel) - a3c8f46 linter/plugins: Do not run `pnpm` in tests (#14157) (overlookmotel) - d985aeb editor: Remove cross-module tests, covered by language server (#14156) (Sysix) - 0029b7f linter/plugins: Normalize line breaks in snapshots (#14154) (overlookmotel) - 7f2c101 linter/plugins: Specify path to `node` in tests (#14152) (overlookmotel) - fc14abc linter/plugins: Format test fixtures (#14125) (overlookmotel) - a6f965f linter/plugins: Simplify configs in test fixtures (#14124) (overlookmotel) - b1685f7 linter/plugins: Refactor tests (#14123) (overlookmotel) - 788e495 linter/plugins: Improve ESLint compat tests (#14119) (overlookmotel) - 5750077 linter/plugins: Fix file paths in snapshots (#14115) (overlookmotel) - 5c862f9 linter/plugins: Standardize test fixture structure (#14114) (overlookmotel) Co-authored-by: camc314 <18101008+camc314@users.noreply.github.com>

This was referenced Sep 26, 2025

docs(linter/plugins): improve JSDoc comments for definePlugin and defineRule #14159

Merged

fix(linter/plugins): fix TS types #14162

Merged

overlookmotel mentioned this pull request Sep 26, 2025

feat(linter/plugins): oxlint export types #14163

Merged

github-actions bot added A-linter Area - Linter A-cli Area - CLI C-test Category - Testing. Code is missing test cases, or a PR is adding them labels Sep 26, 2025

overlookmotel marked this pull request as ready for review September 26, 2025 15:03

overlookmotel requested a review from camc314 as a code owner September 26, 2025 15:03

overlookmotel assigned camc314 Sep 26, 2025

overlookmotel added the 0-merge Merge with Graphite Merge Queue label Sep 26, 2025

overlookmotel marked this pull request as draft September 26, 2025 15:03

graphite-app bot changed the base branch from 09-26-feat_linter_plugins_oxlint_export_types to graphite-base/14164 September 26, 2025 15:04

overlookmotel removed the 0-merge Merge with Graphite Merge Queue label Sep 26, 2025

overlookmotel force-pushed the 09-26-test_linter_plugins_add_tests_for_.ts_.mts_.cts_plugin_files branch from 01ba629 to a12d1fc Compare September 26, 2025 18:22

overlookmotel force-pushed the graphite-base/14164 branch from cdce8c2 to bb1d1cf Compare September 26, 2025 18:22

overlookmotel changed the base branch from graphite-base/14164 to 09-26-feat_linter_plugins_oxlint_export_types September 26, 2025 18:22

overlookmotel marked this pull request as ready for review September 27, 2025 07:28

overlookmotel force-pushed the 09-26-feat_linter_plugins_oxlint_export_types branch from bb1d1cf to db91b09 Compare September 27, 2025 11:10

overlookmotel force-pushed the 09-26-test_linter_plugins_add_tests_for_.ts_.mts_.cts_plugin_files branch from a12d1fc to 9213823 Compare September 27, 2025 11:10

overlookmotel force-pushed the 09-26-feat_linter_plugins_oxlint_export_types branch from db91b09 to 846bc87 Compare September 28, 2025 08:51

overlookmotel force-pushed the 09-26-test_linter_plugins_add_tests_for_.ts_.mts_.cts_plugin_files branch 2 times, most recently from c8874c9 to 8805509 Compare September 28, 2025 09:15

graphite-app bot reviewed Sep 28, 2025

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overlookmotel mentioned this pull request Sep 28, 2025

refactor(linter/plugins): simplify creation of context in defineRule ESLint shim #14206

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graphite-app bot changed the base branch from 09-26-feat_linter_plugins_oxlint_export_types to graphite-base/14164 September 28, 2025 14:59

camc314 approved these changes Sep 28, 2025

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graphite-app bot changed the base branch from graphite-base/14164 to main September 28, 2025 15:05

overlookmotel marked this pull request as draft September 28, 2025 15:05

overlookmotel marked this pull request as ready for review September 28, 2025 15:07

Copilot AI review requested due to automatic review settings September 28, 2025 15:07

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test(linter/plugins): add tests for .ts, .mts, .cts plugin files (

6ff3a23

#14164) Add tests for loading all types of TS files as plugins - `.ts`, `.mts`, `.cts`.

graphite-app bot force-pushed the 09-26-test_linter_plugins_add_tests_for_.ts_.mts_.cts_plugin_files branch from 8805509 to 6ff3a23 Compare September 28, 2025 15:07

graphite-app bot merged commit 6ff3a23 into main Sep 28, 2025
17 checks passed

graphite-app bot deleted the 09-26-test_linter_plugins_add_tests_for_.ts_.mts_.cts_plugin_files branch September 28, 2025 15:12

graphite-app bot removed the 0-merge Merge with Graphite Merge Queue label Sep 28, 2025

taearls pushed a commit to taearls/oxc that referenced this pull request Sep 28, 2025

test(linter/plugins): add tests for .ts, .mts, .cts plugin files (

9e293d7

oxc-project#14164) Add tests for loading all types of TS files as plugins - `.ts`, `.mts`, `.cts`.

taearls pushed a commit to taearls/oxc that referenced this pull request Sep 28, 2025

test(linter/plugins): add tests for .ts, .mts, .cts plugin files (

67577b3

oxc-project#14164) Add tests for loading all types of TS files as plugins - `.ts`, `.mts`, `.cts`.

Boshen mentioned this pull request Sep 29, 2025

release(oxlint): v1.19.0 #14231

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test(linter/plugins): add tests for `.ts`, `.mts`, `.cts` plugin files #14164

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test(linter/plugins): add tests for `.ts`, `.mts`, `.cts` plugin files #14164

test(linter/plugins): add tests for `.ts`, `.mts`, `.cts` plugin files #14164

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