feat(oxfmt): Format `parser:json` files by `oxc_formatter_json` by leaysgur · Pull Request #22709 · oxc-project/oxc

leaysgur · 2026-05-25T06:26:38Z

Use oxc_formatter_json for major .json files, originally formatted by Prettier.

leaysgur · 2026-05-25T06:26:51Z

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codspeed-hq · 2026-05-25T06:34:25Z

Merging this PR will not alter performance

✅ 57 untouched benchmarks

_{Comparing 05-25-feat_oxfmt_format_parser_json_files_by_oxc_formatter_json (3d35ec3) with 05-22-refactor_formatter_share_fixtures_test_harness_and_test_formatter_json (3d3c823)¹}

No successful run was found on 05-22-refactor_formatter_share_fixtures_test_harness_and_test_formatter_json (f660c95) during the generation of this report, so 18a8d7b was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

leaysgur · 2026-05-26T08:39:26Z

# BEFORE
❯ ./node_modules/.bin/oxfmt '**/*.json' --check
Checking formatting...

All matched files use the correct format.
Finished in 1788ms on 1094 files using 8 threads.

# AFTER
❯ node ~/Codes/oxc/apps/oxfmt/dist/cli.js '**/*.json' --check
Checking formatting...

All matched files use the correct format.
Finished in 436ms on 1094 files using 8 threads.

Looks good?

leaysgur · 2026-05-28T06:46:51Z

/oxfmt-ecosys

github-actions · 2026-05-28T06:47:01Z

Oxfmt Ecosystem CI

suite	oxfmt@latest	refs/pull/22709/head branch
cnpm/cnpmcore	✅	✅
AmanVarshney01/create-better-t-stack	✅	✅
eggjs/egg	❌	✅
monkeytypegame/monkeytype	❌	✅
huggingface/huggingface.js	✅	✅
actualbudget/actual	❌	✅
formatjs/formatjs	❌	✅
fastify/fastify-vite	✅	✅
dyad-sh/dyad	✅	✅
fuma-nama/fumadocs	✅	✅
lichess-org/lila	✅	✅
vercel/turborepo	✅	✅
vuejs/core	✅	✅
mastodon/mastodon	✅	✅
vuejs/pinia	❌	✅
getsentry/sentry-javascript	❌	✅
cloudflare/agents	✅	✅
rolldown/rolldown	❌	✅
tale/headplane	❌	✅
openclaw/openclaw	❌	✅
npmx-dev/npmx.dev	✅	✅
aidenybai/react-grab	❌	✅
Comfy-Org/ComfyUI_frontend	✅	✅

leaysgur · 2026-05-29T00:48:55Z

Merge activity

May 29, 12:48 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
May 29, 12:49 AM UTC: leaysgur added this pull request to the Graphite merge queue.
May 29, 1:00 AM UTC: Merged by the Graphite merge queue.

Use `oxc_formatter_json` for major `.json` files, originally formatted by Prettier.

# 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)

github-actions Bot added A-cli Area - CLI A-formatter Area - Formatter labels May 25, 2026

leaysgur changed the title ~~feat(oxfmt): Format parser:json files by oxc_formatter_json~~ feat(oxfmt): Format parser:json files by oxc_formatter_json May 25, 2026