feat(linter/prefer-readonly): move rule from nursery to style by camc314 · Pull Request #20796 · oxc-project/oxc

camc314 · 2026-03-27T13:05:37Z

This rule has been published for ~6 weeks, and we've had little to no reports highlighting issues, so this PR moves it out of nursery to the style category

camc314 · 2026-03-27T13:05:48Z

How to use the Graphite Merge Queue

Add either label to this PR to merge it via the merge queue:

0-merge - adds this PR to the back of the merge queue
hotfix - for urgent changes, fast-track this PR to the front of the merge queue

You must have a Graphite account in order to use the merge queue. Sign up using this link.

_{An organization admin has enabled the Graphite Merge Queue in this repository.} _{Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.}

This stack of pull requests is managed by Graphite. Learn more about stacking.

Copilot

Pull request overview

Moves the TypeScript prefer-readonly lint rule from the experimental nursery category into the stable style category, aligning its classification with its maturity after being published without notable issues.

Changes:

Reclassify PreferReadonly rule category from nursery to style.

graphite-app · 2026-03-27T13:10:58Z

Merge activity

Mar 27, 1:10 PM UTC: camc314 added this pull request to the Graphite merge queue.
Mar 27, 1:18 PM UTC: Merged by the Graphite merge queue.

codspeed-hq · 2026-03-27T13:12:03Z

Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 52 skipped benchmarks¹

_{Comparing c/03-27-feat_linter_prefer-readonly_move_rule_out_of_nursery (58941f8) with main (7e88871)²}

52 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩
No successful run was found on main (58941f8) during the generation of this report, so 7e88871 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

This rule has been published for ~6 weeks, and we've had little to no reports highlighting issues, so this PR moves it out of nursery to the `style` category

# Oxlint ### 💥 BREAKING CHANGES - c0ebbce linter: [**BREAKING**] Report error on unknown builtin rule (#20464) (camc314) ### 🚀 Features - 04f85e5 linter/no-unused-vars: Add safe-fix option for import fixes (#20839) (Marcell Toth) - 32a3706 linter/eslint-vitest-plugin: Implements `require-test-timeout` rule (#20806) (Said Atrahouch) - ae03653 linter: Implement suggestion for `eslint/no-useless-computed-key` rule (#20805) (Mikhail Baev) - 6624513 linter/prefer-string-starts-ends-with: Move rule from nursery to style (#20797) (camc314) - 58941f8 linter/prefer-readonly: Move rule from nursery to style (#20796) (camc314) - 8837ffd linter/prefer-regexp-exec: Move rule from nursery to style (#20795) (camc314) - 7e88871 linter/prefer-find: Move rule out of nursery (#20794) (camc314) - ca6e5bc linter/vitest: Implement prefer-called-exactly-once-with (#17562) (Said Atrahouch) - e80c0bf linter/eslint-plugin-vitest: Implement `require-mock-type-parameters` (#20785) (Said Atrahouch) - cec8b8f linter/vitest: Implement require-awaited-expect-poll rule (#20702) (Said Atrahouch) - d8e9d01 linter/eslint-plugin-vitest: Set `prefer-to-have-been-called-times` compatible with jest (#20703) (Said Atrahouch) - caf8231 linter: Enhance import plugin diagnostics with help messages (#20766) (离谱) - f44adfa linter: Improve the oxlint config generated by `--init`. (#20632) (connorshea) - 43f4827 linter: Add help text to jest and promise diagnostics (#20640) (kszongic) - 16516de linter: Enhance types for `DummyRule` (#20751) (camc314) - 27374e8 linter: Add hint about node version when ts config fail to import (#20570) (camc314) - 8e34150 linter/eslint-plugin-vitest: Sync rule with JS implementation (#20679) (Said Atrahouch) ### 🐛 Bug Fixes - df057d5 linter/no-noninteractive-tabindex: Add missing composite widget … (#20860) (bab) - bb34073 linter: Mark vitest/valid-title as a compatible jest rules (#20463) (Nicolas Le Cam) - bd2c76b linter: Handle shadowed locals in no-restricted-globals (#20811) (Ulrich Stark) - 62e39be linter: Sort nested object keys in fix of `eslint/sort-keys` in one pass (#20838) (Ulrich Stark) - 3ef37da oxlint/lsp: Error on unknown command (#20841) (Sysix) - ab1070d oxlint/cli: Skip parsing base config again for nested config search (#20809) (Sysix) - 2be3728 oxlint/lsp: Skip parsing base config again for nested config search (#20808) (Sysix) - 6171217 oxlint: Respect `NO_COLOR` env for `format=stylish` (#20804) (Sysix) - d89ae8f linter/plugins: Patch `WeakMap` to emulate `WeakMap`s keyed by `sourceCode` (#20799) (overlookmotel) - c610666 linter/no-shadow: Respect env settings when builtinGlobals is enabled (#20429) (vvnikita74) - 6bb502f linter/no-invalid-void-type: Allow void generic args in heritage clauses (#20780) (camc314) - 365bb7d linter: Skip typed nested literals in explicit-module-boundary-types (#20776) (camc314) - 0aa1ff0 linter/plugins: Ensure `after` hook is always called in ESLint compat mode (#20721) (overlookmotel) - 31145a9 linter/plugins: Fire `after` hook after CFG events in ESLint compat (#20720) (overlookmotel) - c09a5ab diagnostics: Skip minified fallback for single-line reporters (#20716) (camc314) - e4dc9a1 linter: Isolate `--init` config writes from parallel tests (#20717) (camc314) - 7e394ec linter: Clarify empty replacement fixer help text (#20698) (camc314) - d15a99c linter/jsx-curly-brace-presence: Flag empty string literals (#20690) (camc314) ### 📚 Documentation - c722495 linter: Update JS Plugins + LS references (#20843) (camc314) - e1f9748 linter/jsdoc/require-property: Fix typo (#20792) (Benjaming61001) - be3dcc1 linter: Add note about node version + custom TS plugin (#19381) (camc314) # Oxfmt ### 🚀 Features - 6ef440a oxfmt: Support bool for object style options (#20853) (leaysgur) - 23050fa oxfmt: Support markdown-in-js substitution (#20683) (leaysgur) - 4087295 oxfmt: Support angular-in-js substitution (#20676) (leaysgur)

github-actions bot added the A-linter Area - Linter label Mar 27, 2026

This was referenced Mar 27, 2026

feat(linter/prefer-regexp-exec): move rule from nursery to style #20795

Merged

feat(linter/prefer-find): move rule from nursery to style #20794

Merged

github-actions bot added the C-enhancement Category - New feature or request label Mar 27, 2026

camc314 marked this pull request as ready for review March 27, 2026 13:06

Copilot AI review requested due to automatic review settings March 27, 2026 13:06

Copilot started reviewing on behalf of camc314 March 27, 2026 13:07 View session

camc314 self-assigned this Mar 27, 2026

Copilot AI reviewed Mar 27, 2026

View reviewed changes

camc314 mentioned this pull request Mar 27, 2026

feat(linter/prefer-string-starts-ends-with): move rule from nursery to style #20797

Merged

camc314 changed the title ~~feat(linter/prefer-readonly): move rule out of nursery~~ feat(linter/prefer-readonly): move rule from nursery to style Mar 27, 2026

feat(linter/prefer-readonly): move rule from nursery to style (#20796)

58941f8

This rule has been published for ~6 weeks, and we've had little to no reports highlighting issues, so this PR moves it out of nursery to the `style` category

graphite-app bot force-pushed the c/03-27-feat_linter_prefer-regexp-exec_move_rule_out_of_nursery branch from 3fb90ed to 8837ffd Compare March 27, 2026 13:14

graphite-app bot force-pushed the c/03-27-feat_linter_prefer-readonly_move_rule_out_of_nursery branch from 901c5a5 to 58941f8 Compare March 27, 2026 13:15

Base automatically changed from c/03-27-feat_linter_prefer-regexp-exec_move_rule_out_of_nursery to main March 27, 2026 13:17

graphite-app bot merged commit 58941f8 into main Mar 27, 2026
27 checks passed

graphite-app bot deleted the c/03-27-feat_linter_prefer-readonly_move_rule_out_of_nursery branch March 27, 2026 13:18

Boshen mentioned this pull request Mar 30, 2026

release(apps): oxlint v1.58.0 && oxfmt v0.43.0 #20867

Merged

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

feat(linter/prefer-readonly): move rule from nursery to style#20796

feat(linter/prefer-readonly): move rule from nursery to style#20796
graphite-app[bot] merged 1 commit intomainfrom
c/03-27-feat_linter_prefer-readonly_move_rule_out_of_nursery

camc314 commented Mar 27, 2026 •

edited

Loading

Uh oh!

camc314 commented Mar 27, 2026 •

edited

Loading

Uh oh!

Copilot AI left a comment

Uh oh!

graphite-app bot commented Mar 27, 2026 •

edited

Loading

Uh oh!

codspeed-hq bot commented Mar 27, 2026 •

edited

Loading

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

Uh oh!

Conversation

camc314 commented Mar 27, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

camc314 commented Mar 27, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

How to use the Graphite Merge Queue

Uh oh!

Copilot AI left a comment

Choose a reason for hiding this comment

Pull request overview

Uh oh!

graphite-app bot commented Mar 27, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Merge activity

Uh oh!

codspeed-hq bot commented Mar 27, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Merging this PR will not alter performance

Footnotes

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

camc314 commented Mar 27, 2026 •

edited

Loading

camc314 commented Mar 27, 2026 •

edited

Loading

graphite-app bot commented Mar 27, 2026 •

edited

Loading

codspeed-hq bot commented Mar 27, 2026 •

edited

Loading