feat(linter/typescript): implement method-signature-style rule#22679
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Pull request overview
Implements the typescript/method-signature-style lint rule (ported from @typescript-eslint) and wires it into the oxc_linter rule registry and generated configuration/schema outputs.
Changes:
- Add new
MethodSignatureStylerule implementation with diagnostics and upstream-aligned test cases + snapshot. - Register the rule in the TypeScript rules module and generated rule enum/runner plumbing.
- Update generated config/schema artifacts to include
typescript/method-signature-style.
Reviewed changes
Copilot reviewed 6 out of 8 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| tasks/website_linter/src/snapshots/schema_json.snap | Adds the new rule key to the website schema snapshot. |
| npm/oxlint/configuration_schema.json | Adds the new rule key to the published configuration schema. |
| crates/oxc_linter/src/snapshots/typescript_method_signature_style.snap | Adds snapshot output for the new rule’s diagnostics. |
| crates/oxc_linter/src/rules/typescript/method_signature_style.rs | New rule implementation + tests. |
| crates/oxc_linter/src/rules.rs | Registers the new TypeScript rule module. |
| crates/oxc_linter/src/generated/rules_enum.rs | Adds rule to the generated enum and metadata plumbing. |
| crates/oxc_linter/src/generated/rule_runner_impls.rs | Adds AST node-type targeting for the new rule runner. |
| apps/oxlint/src-js/package/config.generated.ts | Exposes the new rule key in the generated JS config typings. |
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# Oxlint ### 🚀 Features - e4b1f46 linter/typescript: Implement `method-signature-style` rule (#22679) (Mikhail Baev) - bc462ca linter/vue: Implement no-reserved-component-names rule (#22741) (bab) - ef9e751 linter/vue: Implement component-definition-name-casing rule (#22818) (bab) - d67f51a linter/vue: Implement require-prop-type-constructor rule (#22708) (bab) - 1444f82 linter/promise/spec-only: Add `Promise.try` to `Promise` static methods (#22812) (Ben Saufley) - 8422e8b linter/jsdoc: Implement `require-yields-description` rule (#22805) (Mikhail Baev) - fe93f97 linter/eslint: Implement `prefer-named-capture-group` rule (#22759) (Sebastian Poxhofer) - 1a7798b linter: Add suggestion for `unicorn/no-new-array` (#22682) (Sysix) ### 🐛 Bug Fixes - 760a9f9 linter: Report errors when writing to the filesystem (#22881) (camc314) - e5a2748 linter: Avoid no-unreachable false positive after conditional loop (#22869) (camc314) - 39d92d6 linter/arrow-body-style: Preserve comments within function (#22854) (Sysix) - 3d13e29 parser: Reject `declare` in an already-ambient context (TS1038) (#22850) (Boshen) - 5152854 parser: Reject statements in ambient contexts (TS1036) (#22849) (Boshen) - 2eafea6 parser: Reject function implementations in ambient contexts (TS1183) (#22845) (Boshen) - c645615 parser: Reject incompatible class member modifiers (#22843) (Boshen) - 4a1ca4a linter/export: Detect duplicate explicit exports (#22798) (camc314) - 0a9a735 linter/no-loop-func: Allow safe let closures (#22811) (camc314) - 1599f11 linter: Align lsp extends default plugins (#22788) (camc314) - db32ec9 linter/no-accumulating-spread: Use loop as primary span (#22800) (camc314) - 33ec6b4 linter/consistent-test-it: Avoid adjacent describe leakage (#22796) (camc314) - 2606069 linter/no-array-sort: Unwrap parenthesized sort args (#22794) (camc314) - 9f2f709 linter/no-array-sort: Skip non compare fn sort arguments (#22752) (Gaurav Dubey) - 27268a0 linter/no-else-return: Preserve statement boundary in fixer (#22687) (camc314) - d9cb6d8 linter/no-empty-function: Allow functions callbacks with `allow: functions` (#22764) (camc314) - a40a314 linter/no-shadow-restricted-names: Ignore enum members (#22762) (camc314) - 82366d9 linter/no-cond-assign: Align ternary handling (#22761) (camc314) ### 📚 Documentation - 5e113ba linter: Add license notices for ported ESLint plugins (#22768) (Boshen) # Oxfmt ### 🚀 Features - d75cbbf oxfmt: Format `parser:json` files by `oxc_formatter_json` (#22709) (leaysgur) - 49db054 formatter_json: Implement `oxc_formatter_json` (json variant only) (#22641) (leaysgur) - 9c71f2e ast, codegen, formatter: Add `WithClauseKeyword::as_str` helper and use it (#22791) (camc314) ### 🐛 Bug Fixes - d3cdd62 oxfmt: Skip formatting for whitespace-only file (#22780) (leaysgur) - 23f0cc8 formatter: Don't move comments inside variable declaration in for in loop (#22776) (leaysgur) - f200c40 formatter: Don't move comments inside variable declaration in for of loop (#22773) (Leonabcd123) ### 📚 Documentation - 845f393 oxfmt,formatter,formatter_json,formatter_core: Add/update AGENTS.md (#22873) (leaysgur)
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This PR implements
typescript-eslint/method-signature-style, issue #2180.It uses all upstream test cases. The only changes are to 4 setter test cases, changing this:
to this:
because they failed with
TS(1095): A 'set' accessor cannot have a return type annotation.