npm · #1913 most downloaded on npm

@babel/plugin-syntax-flow

8.0.1babel/babel ↗New releases in your daily digest, changelog included.

Allow parsing of the flow syntax

Last release 3 months ago
17 Jun 2026
Ships fairly regularly
a new release about every 4 weeks
Nearly every release is documented
notes for 28 of 30 stable releases
Nothing withdrawn
no release was ever pulled
9 years old
97 releases · first in 2017

Release timeline

97 releases since 2017

20172019202120232025

Releases

7.7.422 Nov 2019
Thanks @chrishinrichs, @khoumani, @m-ahmadi, @BBlackwo, @SakibulMowla, @4geru, @Shriram-Balaji, @ZYSzys and @arku for their first PRs!
v7.7.4 (2019-11-23)

Thanks @chrishinrichs, @khoumani, @m-ahmadi, @BBlackwo, @SakibulMowla, @4geru, @Shriram-Balaji, @ZYSzys and @arku for their first PRs!

:bug: Bug Fix

babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

#10748 Add support for native esm to @babel/runtime. (@nicolo-ribaudo)

babel-preset-env

#10742 Update preset-env mappings. (@existentialism)

babel-parser

#10737 Flow enums: fix enum body location. (@gkz)

#10657 Fix some incorrect typeof parsing in flow. (@existentialism)

#10582 [parser] Allow optional async methods. (@gonzarodriguezt)

#10710 register import equals specifier. (@JLHwung)

#10592 Allow TypeScript type assertions in array destructuring. (@SakibulMowla)

babel-preset-env-standalone

#10732 fix: add missing available plugins to babel-preset-env-standalone. (@JLHwung)

babel-plugin-transform-function-name, babel-plugin-transform-modules-umd, babel-preset-env

#10701 Circumvent typeof transform for umd build template. (@JLHwung)

babel-cli

#10698 Babel should not silently remove unknown options after commander arguments. (@JLHwung)

babel-plugin-proposal-optional-chaining

#10694 Fix optional method chaining in derived classes. (@Shriram-Balaji)

babel-parser, babel-types

#10677 Add asserts this [is type] parsing support. (@JLHwung)

babel-traverse

#10598 Fix parentheses on replaceWithMultiple for JSX. (@khoumani)

babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env

#10683 Fix: Don't call Object.keys on non-objects (babel#10482). (@chrishinrichs)

:nail_care: Polish

babel-plugin-proposal-nullish-coalescing-operator

#10720 polish: skip creating extra reference for safely re-used node. (@JLHwung)

:house: Internal

Other

#10731 Removed duplicate key in package.json. (@rajasekarm)

#10718 chore: use loose mode of transform. (@JLHwung)

#10579 Implement PR workflow for running test262 on babel PRs. (@jbhoosreddy)

#10648 bump @babel/* dev dependencies. (@JLHwung)

#10569 E2E test Babel with itself before publishing. (@nicolo-ribaudo)

babel-core

#10668 Reduce standalone build size. (@JLHwung)

babel-plugin-transform-literals, babel-preset-env-standalone

#10725 fix typo [ci-skip]. (@JLHwung)

babel-cli

#10692 Add missing flow type to babel-cli for consistency. (@ZYSzys)

Committers: 15

4geru koichi uchinishi (4geru)

Brian Ng (existentialism)

George Zahariev (gkz)

Huáng Jùnliàng (JLHwung)

Jaideep Bhoosreddy (jbhoosreddy)

Kai Cataldo (kaicataldo)

Kenza Houmani (khoumani)

Mohammad Ahmadi (m-ahmadi)

Nicolò Ribaudo (nicolo-ribaudo)

Raja Sekar (rajasekarm)

Sakibul Mowla (SakibulMowla)

Shriram Balaji (Shriram-Balaji)

ZYSzys (ZYSzys)

chrishinrichs

gr (gonzarodriguezt)

7.7.05 Nov 2019

babel-generator, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-transform-typescript, babel-preset-typescript, babel-types

v7.7.0 (2019-11-05)

:eyeglasses: Spec Compliance

babel-types
- #10621 throw a TypeError if identifier validation fails. (@dentrado)
babel-parser
- #10559 fix: Exclude catch clause from let identifier error. (@gonzarodriguezt)
- #10567 [parser] Exception to 8 and 9 in tagged template. (@pnowak)
- #10532 Allow duplicate __proto__ keys in patterns, simple case (#6705). (@alejo90)

:rocket: New Feature

babel-generator, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-transform-typescript, babel-preset-typescript, babel-types
- #10545 Add support for TS declare modifier on fields. (@nicolo-ribaudo)
babel-core, babel-parser, babel-preset-typescript
- #10363 @babel/parser error recovery. (@nicolo-ribaudo)
babel-core
- #10599 Add support for .cjs config files. (@nicolo-ribaudo)
- #10501 Add support for babel.config.json. (@devongovett)
- #10361 feat: if code frame error is on a single line, highlight the whole path. (@SimenB)
babel-plugin-syntax-top-level-await, babel-preset-env
- #10573 Create @babel/plugin-syntax-top-level-await. (@nicolo-ribaudo)
babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx, babel-preset-react
- #10572 [transform-react-jsx] Add useSpread option to transform JSX. (@ivandevp)
babel-generator, babel-parser, babel-plugin-proposal-decorators, babel-plugin-syntax-flow, babel-types
- #10344 Flow enums parsing. (@gkz)
babel-plugin-transform-function-name, babel-plugin-transform-modules-umd, babel-preset-env
- #10477 Changes UMD callsite to be more likely to pass in the intended object.. (@MicahZoltu)
babel-parser
- #10449 Create parser plugin "topLevelAwait". (@nicolo-ribaudo)
- #10521 [parser] Enable "exportNamespaceFrom" by default. (@nicolo-ribaudo)
- #10483 [parser] Add support for private fields in TypeScript. (@nicolo-ribaudo)
babel-generator, babel-parser, babel-types
- #10543 add assertions signature for TypeScript. (@tanhauhau)
babel-cli, babel-register
- #8622 Make dir for babel --out-file. (@TrySound)
babel-cli
- #10399 Closes #8326, add back --quiet option.. (@chris-peng-1244)

:bug: Bug Fix

babel-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-function-sent, babel-preset-env
- #10422 Correctly delegate .return() in async generator. (@nicolo-ribaudo)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #10628 Don't throw when destructuring into a var named as an import. (@nicolo-ribaudo)
babel-plugin-transform-modules-systemjs
- #10638 fix: remove ExportNamedDeclaration when the specifier is empty. (@JLHwung)
babel-parser
- #10631 [TS] Parse calls with type args in optional chains. (@nicolo-ribaudo)
- #10607 fixed missing errors on assignment pattern in object expression. (@vivek12345)
- #10594 [parser] Parse only modifiers of actual methods. (@gonzarodriguezt)
babel-plugin-transform-typescript
- #10555 [TS] Correctly transform computed strings and templates in enums. (@nicolo-ribaudo)
babel-core
- #10623 Fix: inputSourceMap should work when it is an external file. (@JLHwung)
- #10539 fix: remove filename annotation in buildCodeFrameError. (@JLHwung)
babel-plugin-proposal-decorators
- #10578 [decorators] fix: support string literal properties. (@mwhitworth)
babel-helpers, babel-plugin-proposal-dynamic-import, babel-plugin-transform-modules-commonjs, babel-preset-env
- #10574 fix: _interopRequireWildcard should only cache objects. (@samMeow)
babel-traverse
- #9777 [traverse] Allow skipping nodes inserted with .replaceWith(). (@nicolo-ribaudo)
babel-preset-env
- #10146 Inject core-js@3 imports in Program:exit instead of on post(). (@nicolo-ribaudo)
babel-generator
- #10519 Fix generator missing parens around an arrow returning function type. (@existentialism)
babel-plugin-transform-async-to-generator, babel-preset-env, babel-traverse
- #9939 Don't use args rest/spread to hoist super method calls. (@nicolo-ribaudo)

:nail_care: Polish

babel-plugin-transform-classes, babel-plugin-transform-regenerator, babel-preset-env
- #9481 [preset-env] Don't use async-to-generator when already using regenerator. (@nicolo-ribaudo)
babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
- #10585 fix(babel‑helpers/interopRequireWildcard): Avoid double nullish check. (@ExE-Boss)
babel-register
- #10557 fix: disable caching when babel could not read/write cache. (@JLHwung)

:house: Internal

babel-cli, babel-node
- #10619 chore: remove output-file-sync dependency. (@JLHwung)
babel-register
- #10614 chore: bump source-map-support to 0.5.14. (@JLHwung)
babel-helper-create-regexp-features-plugin, babel-plugin-proposal-unicode-property-regex, babel-plugin-transform-dotall-regex, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-unicode-regex, babel-preset-env
- #10447 Merge multiple regex transform plugin. (@JLHwung)
babel-preset-env
- #10612 chore: update web.immediate support fixtures. (@JLHwung)
babel-helper-module-imports
- #10608 Use .find instead of .filter to get targetPath in ImportInjector. (@Andarist)
Other
- #10600 Test node@13 on circle. (@existentialism)
- #10593 chore: replace outdated travis-ci.org badges [ci skip]. (@JLHwung)
- #10591 chore: test against Node.js 13. (@JLHwung)
- #10556 Add master branch workflow for test262 tests. (@jbhoosreddy)
babel-runtime
- #10418 docs: add homepage link. (@DanArthurGallagher)
babel-helper-annotate-as-pure, babel-helper-bindify-decorators, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, babel-helper-call-delegate, babel-helper-define-map, babel-helper-explode-assignable-expression, babel-helper-explode-class, babel-helper-function-name, babel-helper-get-function-arity, babel-helper-hoist-variables, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-optimise-call-expression, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-split-export-declaration, babel-helper-wrap-function, babel-helpers, babel-template
- #10568 Bump babel-types to ^7.6.3. (@JLHwung)

:running_woman: Performance

babel-traverse
- #10480 Traverse performance. (@JLHwung)

Committers: 28

Alejandro Sánchez (alejo90)
Bogdan Chadkin (TrySound)
Brian Ng (existentialism)
Chris Garrett (pzuraq)
Daniel Arthur Gallagher (DanArthurGallagher)
Devon Govett (devongovett)
Eugene Myunster (t0lkman)
ExE Boss (ExE-Boss)
George Zahariev (gkz)
Georgii Dolzhykov (thorn0)
Gerald (gera2ld)
Huáng Jùnliàng (JLHwung)
Ivan Medina (ivandevp)
Jaideep Bhoosreddy (jbhoosreddy)
Linus Unnebäck (LinusU)
Martin Forsgren (dentrado)
Mateusz Burzyński (Andarist)
Matthew Whitworth (mwhitworth)
Micah Zoltu (MicahZoltu)
Mohammad Ahmadi (m-ahmadi)
Nicolò Ribaudo (nicolo-ribaudo)
Simen Bekkhus (SimenB)
Tan Li Hau (tanhauhau)
Vivek Nayyar (vivek12345)
gr (gonzarodriguezt)
piotr (pnowak)
samuel kwok (samMeow)
彭驰 (chris-peng-1244)

Open source →

@babel/plugin-syntax-flow

Release timeline

Releases

v7.7.4 (2019-11-23)

:bug: Bug Fix

:nail_care: Polish

:house: Internal

Committers: 15

v7.7.0 (2019-11-05)

:eyeglasses: Spec Compliance

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

:running_woman: Performance

Committers: 28