8000 V4 by fisker · Pull Request #18261 · prettier/prettier · GitHub
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V4 #18261

fisker wants to merge 29 commits into from
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@fisker fisker commented Nov 17, 2025

Description

Checklist

  • I’ve added tests to confirm my change works.
  • (If changing the API or CLI) I’ve documented the changes I’ve made (in the docs/ directory).
  • (If the change is user-facing) I’ve added my changes to changelog_unreleased/*/XXXX.md file following changelog_unreleased/TEMPLATE.md.
  • I’ve read the contributing guidelines.

fisker added 21 commits April 15, 2025 00:08
@fisker
Still use @prettier/cli as default in v4
72e678e
@fisker
Bump minimal required Node.js version to 18 (#17354)
fd93c56
@fisker
Merge branch 'main' into next
1225a5b
@fisker
Build: remove transforming Object.hasOwn() and String#replaceAll() (
22a62df 
#17355)
@fisker
Merge branch 'main' into next
df7af3c 
# Conflicts:
#	jest.config.js
@fisker
[V4] Remove --runInBand (#17131)
6c4c8f1
@fisker
[V4] Use legacy CLI by default during development (#17368)
d0a9740
@fisker
Update jest-light-runner to v0.7.1 (#17372)
30da11d
@fisker
[V4] Test: Fix coverage collect (#17375)
4687a09
@fisker
Update ESLint config (#17369)
4cbbd86
@fisker
Remove babel-flow parser (#17359)
1eae593
@fisker
Update jest-light-runner to v0.7.4 (#17377)
4a720ff
@fisker
Merge branch 'main' into next
bcdd5ec 
# Conflicts:
#	.github/workflows/prod-test.yml
#	cspell.json
#	jest.config.js
#	package.json
#	yarn.lock
@fisker
Merge branch 'main' into next
ce75c31 
# Conflicts:
#	jest.config.js
#	tests/integration/__tests__/__snapshots__/early-exit.js.snap
#	tests/integration/__tests__/__snapshots__/help-options.js.snap
#	tests/integration/__tests__/__snapshots__/plugin-options.js.snap
#	tests/integration/cli-worker.js
@fisker
[V4] Replace get-stdin with native alternative (#17040)
56898f8
@fisker
Replace strip-ansi with stripVTControlCharacters from node:util (…
b16b5c1 
…#16817)
@fisker
Merge branch 'main' into next
e4911a4 
# Conflicts:
#	bin/prettier.cjs
#	jest.config.js
#	package.json
#	scripts/build/build-package-json.js
#	scripts/build/config.js
#	yarn.lock
@fisker
Merge branch 'next' of github.com:prettier/prettier into next
7a67c5f 
# Conflicts:
#	package.json
@fisker
Fix production tests
1b059c8
@fisker
Merge branch 'main' into next
75e6676 
# Conflicts:
#	.github/workflows/prod-test.yml
#	CONTRIBUTING.md
#	eslint.config.js
#	package.json
#	scripts/build/build-javascript-module.js
#	scripts/build/build-package-json.js
#	scripts/build/transform/transforms/index.js
#	scripts/build/transform/transforms/transform-object-has-own.js
#	src/language-html/print/tag.js
#	src/language-js/comments/printer-methods.js
#	src/language-js/parse/babel.js
#	src/language-js/parse/postprocess/index.js
#	src/language-js/print/flow.js
#	src/language-js/print/function.js
#	src/language-js/utils/get-text-without-comments.js
#	src/language-markdown/utils.js
#	src/main/comments/attach.js
#	src/main/range.js
#	src/utils/print-string.js
#	tests/config/run-format-test.js
#	tests/config/utils/check-parsers.js
#	tests/format/flow-repo/enums/__snapshots__/format.test.js.snap
#	tests/format/flow-repo/type-guards/__snapshots__/format.test.js.snap
#	tests/format/flow/as-const/__snapshots__/format.test.js.snap
#	tests/format/flow/as-satisfies-expression/__snapshots__/format.test.js.snap
#	tests/format/flow/as-satisfies-expression/format.test.js
#	tests/format/flow/await/__snapshots__/format.test.js.snap
#	tests/format/flow/await/format.test.js
#	tests/format/flow/component/__snapshots__/format.test.js.snap
#	tests/format/flow/conditional-types-comments/__snapshots__/format.test.js.snap
#	tests/format/flow/conditional-types/__snapshots__/format.test.js.snap
#	tests/format/flow/conditional-types/parentheses/__snapshots__/format.test.js.snap
#	tests/format/flow/declare-interface/__snapshots__/format.test.js.snap
#	tests/format/flow/declare-type/__snapshots__/format.test.js.snap
#	tests/format/flow/declare-variable/__snapshots__/format.test.js.snap
#	tests/format/flow/enums/__snapshots__/format.test.js.snap
#	tests/format/flow/function-type-param/__snapshots__/format.test.js.snap
#	tests/format/flow/hook/__snapshots__/format.test.js.snap
#	tests/format/flow/mapped-types/__snapshots__/format.test.js.snap
#	tests/format/flow/ternary/__snapshots__/format.test.js.snap
#	tests/format/flow/tuples/__snapshots__/format.test.js.snap
#	tests/format/flow/type-alias/__snapshots__/format.test.js.snap
#	tests/format/flow/type-guards/__snapshots__/format.test.js.snap
#	tests/format/js/destructuring-private-fields/format.test.js
#	tests/format/misc/babel-redirect-to-babel-flow/__snapshots__/format.test.js.snap
#	tests/format/misc/errors/babel-flow/__snapshots__/format.test.js.snap
#	tests/format/misc/flow-babel-only/__snapshots__/format.test.js.snap
#	tests/format/typescript/type-params/consistent/format.test.js
#	tests/integration/__tests__/__snapshots__/plugin-options-string.js.snap
#	tests/integration/__tests__/__snapshots__/plugin-options.js.snap
#	tests/unit/syntax-transform.js
#	website/playground/codeSamples.mjs
#	yarn.lock
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commit: bf65170

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Size Change: -14.4 kB (-0.11%)

Total Size: 13 MB

Filename Size Change
./dist/plugin-hermes/index.mjs 1.24 MB -82 B (-0.01%)
./dist/plugin-hermes/THIRD-PARTY-NOTICES.md 18.4 kB +5 B (+0.03%)
./dist/plugin-oxc/index.browser.mjs 2.67 MB -82 B (0%)
./dist/plugin-oxc/index.mjs 452 kB -176 B (-0.04%)
./dist/plugin-oxc/THIRD-PARTY-NOTICES.md 14 kB +5 B (+0.04%)
./dist/prettier/bin/prettier.cjs 2.61 kB +42 B (+1.64%)
./dist/prettier/index.cjs 39.7 kB -12 B (-0.03%)
./dist/prettier/index.d.ts 27.6 kB -17 B (-0.06%)
./dist/prettier/index.mjs 631 kB -424 B (-0.07%)
./dist/prettier/internal/experimental-cli.mjs 445 kB +5 B (0%)
./dist/prettier/internal/legacy-cli.mjs 185 kB -1.1 kB (-0.59%)
./dist/prettier/package.json 6.45 kB +5 B (+0.08%)
./dist/prettier/plugins/acorn.js 155 kB -50 B (-0.03%)
./dist/prettier/plugins/acorn.mjs 155 kB -50 B (-0.03%)
./dist/prettier/plugins/angular.js 97.6 kB -977 B (-0.99%)
./dist/prettier/plugins/angular.mjs 97 kB -977 B (-1%)
./dist/prettier/plugins/babel.d.ts 395 B -24 B (-5.73%) ✅
./dist/prettier/plugins/babel.js 320 kB -2.07 kB (-0.64%)
./dist/prettier/plugins/babel.mjs 320 kB -2.07 kB (-0.64%)
./dist/prettier/plugins/estree.js 207 kB -75 B (-0.04%)
./dist/prettier/plugins/estree.mjs 207 kB -75 B (-0.04%)
./dist/prettier/plugins/flow.js 694 kB -46 B (-0.01%)
./dist/prettier/plugins/flow.mjs 694 kB -46 B (-0.01%)
./dist/prettier/plugins/glimmer.js 140 kB -6 B (0%)
./dist/prettier/plugins/glimmer.mjs 140 kB -6 B (0%)
./dist/prettier/plugins/html.js 167 kB -639 B (-0.38%)
./dist/prettier/plugins/html.mjs 166 kB -639 B (-0.38%)
./dist/prettier/plugins/markdown.js 152 kB -9 B (-0.01%)
./dist/prettier/plugins/markdown.mjs 152 kB -9 B (-0.01%)
./dist/prettier/plugins/meriyah.js 126 kB -85 B (-0.07%)
./dist/prettier/plugins/meriyah.mjs 125 kB -85 B (-0.07%)
./dist/prettier/plugins/postcss.js 154 kB -73 B (-0.05%)
./dist/prettier/plugins/postcss.mjs 154 kB -73 B (-0.05%)
./dist/prettier/plugins/typescript.js 896 kB -79 B (-0.01%)
./dist/prettier/plugins/typescript.mjs 896 kB -79 B (-0.01%)
./dist/prettier/plugins/yaml.js 122 kB -9 B (-0.01%)
./dist/prettier/plugins/yaml.mjs 122 kB -9 B (-0.01%)
./dist/prettier/standalone.js 95 kB -162 B (-0.17%)
./dist/prettier/standalone.mjs 94.8 kB -162 B (-0.17%)
./dist/prettier/THIRD-PARTY-NOTICES.md 274 kB -3.99 kB (-1.44%)
ℹ️ View Unchanged
Filename Size
./dist/plugin-hermes 4.1 kB
./dist/plugin-hermes/index.d.ts 89 B
./dist/plugin-hermes/LICENSE 1.06 kB
./dist/plugin-hermes/package.json 900 B
./dist/plugin-hermes/README.md 867 B
./dist/plugin-oxc 4.1 kB
./dist/plugin-oxc/index.d.ts 106 B
./dist/plugin-oxc/LICENSE 1.06 kB
./dist/plugin-oxc/package.json 1 kB
./dist/plugin-oxc/README.md 922 B
./dist/prettier 4.1 kB
./dist/prettier/bin 4.1 kB
./dist/prettier/doc.d.ts 7.42 kB
./dist/prettier/doc.js 61.2 kB
./dist/prettier/doc.mjs 57.1 kB
./dist/prettier/internal 4.1 kB
./dist/prettier/internal/experimental-cli-worker.mjs 91.4 kB
./dist/prettier/LICENSE 1.06 kB
./dist/prettier/plugins 4.1 kB
./dist/prettier/plugins/acorn.d.ts 109 B
./dist/prettier/plugins/angular.d.ts 177 B
./dist/prettier/plugins/estree.d.ts 11 B
./dist/prettier/plugins/flow.d.ts 90 B
./dist/prettier/plugins/glimmer.d.ts 93 B
./dist/prettier/plugins/graphql.d.ts 93 B
./dist/prettier/plugins/graphql.js 45.7 kB
./dist/prettier/plugins/graphql.mjs 45.1 kB
./dist/prettier/plugins/html.d.ts 155 B
./dist/prettier/plugins/markdown.d.ts 127 B
./dist/prettier/plugins/meriyah.d.ts 93 B
./dist/prettier/plugins/postcss.d.ts 121 B
./dist/prettier/plugins/typescript.d.ts 96 B
./dist/prettier/plugins/yaml.d.ts 90 B
./dist/prettier/README.md 3.4 kB
./dist/prettier/standalone.d.ts 1.36 kB

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@fisker fisker added this to the 4.0 milestone Nov 17, 2025
@fisker
Release v4.0.0-alpha.13
d13edaa
@fisker
Merge branch 'main' into next
2d78bfe 
# Conflicts:
#	jest.config.js
#	package.json
#	scripts/build/transform/transforms/index.js
#	src/language-js/comments/can-attach-comment.js
#	src/language-js/parse/babel.js
@fisker
Fix build script
bf65170
@fisker
Update test
646bfc8
@GabDug GabDug mentioned this pull request Jan 25, 2026
Merged
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