Package detail

@babel/standalone

babel3.9mMIT7.26.6

Standalone build of Babel for use in non-Node.js environments.

babel, babeljs, 6to5, transpile, transpiler

readme

The compiler for writing next generation JavaScript.

Supporting Babel

Babel (pronounced "babble") is a community-driven project used by many companies and projects, and is maintained by a group of volunteers. If you'd like to help support the future of the project, please consider:

Giving developer time on the project. (Message us on Twitter or Slack for guidance!)
Giving funds by becoming a sponsor on Open Collective or Patreon!

Intro

Babel is a tool that helps you write code in the latest version of JavaScript. When your supported environments don't support certain features natively, Babel will help you compile those features down to a supported version.

// ES2015 arrow function
[1, 2, 3].map((n) => n + 1);

Out

[1, 2, 3].map(function(n) {
  return n + 1;
});

Try it out at our REPL.

FAQ

Who maintains Babel?

Mostly a handful of volunteers, funded by you! Please check out our team page!

Is there a Babel song?

I'm so glad you asked: Hallelujah —— In Praise of Babel by @angus-c, audio version by @swyx. Tweet us your recordings!

Looking for support?

For questions and support please join our Slack Community (you can sign-up here for an invite), ask a question on Stack Overflow, or ping us on Twitter.

Where are the docs?

Check out our website: babeljs.io, and report issues/features at babel/website.

Want to report a bug or request a feature?

Please read through our CONTRIBUTING.md and fill out the issue template at babel/issues!

Want to contribute to Babel?

Check out:

Our #development Slack channel and say hi (signup)!
Issues with the good first issue and help wanted label. We suggest also looking at the closed ones to get a sense of the kinds of issues you can tackle.

Some resources:

Our CONTRIBUTING.md to get started with setting up the repo.
Our discussions/notes/roadmap: babel/notes
Our progress on TC39 proposals: babel/proposals
Our blog which contains release posts and explanations: /blog
Our videos page with talks about open source and Babel: /videos
Our podcast

How is the repo structured?

The Babel repo is managed as a monorepo that is composed of many npm packages.

License

MIT

changelog

Changelog

Tags:

:boom: [Breaking Change]

:eyeglasses: [Spec Compliance]

:rocket: [New Feature]

:bug: [Bug Fix]

:memo: [Documentation]

:house: [Internal]

:nail_care: [Polish]

Note: Gaps between patch versions are faulty, broken or test releases.

See CHANGELOG - v4, CHANGELOG - v5, and CHANGELOG - v6 for v4.x-v6.x changes. See CHANGELOG - 6to5 for the pre-4.0.0 version changelog. See Babylon's CHANGELOG for the Babylon pre-7.0.0-beta.29 version changelog. See babel-eslint's releases for the changelog before @babel/eslint-parser 7.8.0. See eslint-plugin-babel's releases for the changelog before @babel/eslint-plugin 7.8.0.

v7.10.2 (2020-05-30)

:rocket: New Feature

#11639 feature: babel-eslint-parser passes through config options (@kaicataldo)

:bug: Bug Fix

babel-helper-compilation-targets
- #11648 fix: don't mutate InputTarget's passed to @babel/helper-compilation-targets (@fivetanley)
babel-helper-create-class-features-plugin, babel-preset-env
- #11634 Class features loose should have precedence over preset-env (@nicolo-ribaudo)
babel-generator
- #11645 fix: add bigIntSuffix to minified output (@JLHwung)
babel-generator, babel-types
- #11641 Add support for printing ImportAttribute (@existentialism)
babel-plugin-syntax-module-attributes, babel-standalone
- #11631 Fix moduleAttributesVersion errors with stage-0 preset in babel standalone (@hamlim)

:nail_care: Polish

babel-core
- #11643 fix: add new plugin names to missing plugin helpers (@JLHwung)

:house: Internal

babel-parser
- #11653 refactor: split locationParser into ParserErrors and error message (@JLHwung)
  v7.10.1 (2020-05-27)

:bug: Bug Fix

babel-preset-env
- #11633 [hotfix] Use same targets for fields as for private methods (@nicolo-ribaudo)
babel-standalone
- #11624 Fix standalone tag when data-type is not set. (@dfabulich)

:house: Internal

Every package
- #11625 Use repository.directory field in package.json files (@saulosantiago)
  v7.10.0 (2020-05-26)

:eyeglasses: Spec Compliance

babel-plugin-proposal-logical-assignment-operators
- #11370 logical-assignment: Do not assign names to anonymous functions (@arku)

:rocket: New Feature

babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-optimise-call-expression, babel-helper-replace-supers, babel-parser, babel-plugin-proposal-class-properties
- #11248 Handle private access chained on an optional chain (@jridgewell)
babel-standalone
- #11593 feat: add privatePropertyInObject to babel-standalone (@JLHwung)
- #11466 Support data-type="module" to generate native <script type="module"> (@dfabulich)
babel-cli, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-proposal-private-property-in-object, babel-types
- #11372 Add private-property-in-object support (@jridgewell)
babel-compat-data, babel-plugin-transform-template-literals, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-standalone
- #11377 Transform ES2015 Unicode Escapes to ES5 (@jridgewell)
babel-parser, babel-plugin-syntax-module-attributes, babel-standalone
- #10962 added basic support for module attributes and tests updated (@vivek12345)
babel-helper-compilation-targets, babel-preset-env
- #11434 [preset-env] Add browserslistEnv option (@AndrewLeedham)
babel-cli
- #11220 Log after subsequent compilations in --watch mode (@nicolo-ribaudo)
babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-spread, babel-traverse
- #11265 Add "allowArrayLike" option to the destructuring and spread transforms (@nicolo-ribaudo)
babel-helpers, babel-plugin-transform-for-of, babel-preset-env
- #11266 Add "allowArrayLike" support to the for-of transform (@nicolo-ribaudo)
babel-parser
- #11406 Enable import.meta by default in @babel/parser (#11364) (@kik-o)
babel-plugin-transform-react-pure-annotations, babel-preset-react
- #11428 Implement plugin-transform-react-pure-annotationsand add to preset-react (@devongovett)
babel-compat-data, babel-preset-env
- #11451 Add class proposals to shipped proposals (@JLHwung)

:bug: Bug Fix

babel-traverse
- #11595 scope.rename() missing identifier in VariableDeclarator (@yulanggong)
babel-plugin-proposal-optional-chaining
- #10961 fix: optional-chaining should work correctly with ts non-null operator (@macabeus)
babel-parser, babel-types
- #11547 refactor: add isLiteralPropertyName to parser utils (@JLHwung)
babel-plugin-transform-typescript
- #11523 fix: don't elide jsx pragma import namespaces (@jquense)
babel-plugin-proposal-object-rest-spread
- #11550 fix(plugin-proposal-object-rest-spread): use computed memberExpression for literal keys (@kitos)
babel-plugin-transform-runtime
- #11530 fix: skip transforming delete something.includes (@JLHwung)
babel-generator
- #11502 getters and setters support in generator for declare class statement (@zxbodya)

:nail_care: Polish

babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #11514 [helpers] Add a private function name within createSuper (@cpojer)

:house: Internal

Other
- #11603 Fix typo (@fisker)
- #11598 chore: use latest node in GitHub actions (@JLHwung)
- #11590 chore: update test262 (@JLHwung)
- #11522 chore: pin windows node.js version (@JLHwung)
- #11504 chore: update babel deps (@JLHwung)
babel-parser
- #11597 Fix comments for smartPipeline topic-forbidding contexts (@lazytype)
babel-core, babel-generator, babel-helper-compilation-targets, babel-helpers, babel-parser, babel-plugin-proposal-decorators, babel-plugin-proposal-json-strings, babel-plugin-transform-block-scoping, babel-plugin-transform-flow-comments, babel-plugin-transform-modules-systemjs, babel-plugin-transform-react-jsx-source, babel-plugin-transform-runtime, babel-preset-env, babel-standalone, babel-template, babel-traverse, babel-types
- #11512 Use ?. where it represents the intended semantics (@nicolo-ribaudo)

:running_woman: Performance

babel-plugin-proposal-object-rest-spread
- #11520 Use single object spread call in loose mode (@jridgewell)

:leftwards_arrow_with_hook: Revert

babel-standalone
- #11538 Downgrade rollup to 1.27.9 (@nicolo-ribaudo)
  v7.9.6 (2020-04-29)

:eyeglasses: Spec Compliance

babel-plugin-proposal-object-rest-spread
- #11471 Fix evaluation order with object spread, 2 (@jridgewell)
- #11412 Fix evaluation order with object spread (@Zzzen)
babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
- #11480 Super property eval order (@jridgewell)

:rocket: New Feature

babel-traverse, babel-types
- #11448 Adding createFlowUnionType in place of createUnionTypeAnnotation without breaking change (@Beraliv)

:bug: Bug Fix

babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
- #11495 Fix helpers.unsupportedIterableToArray for Map and Set (@ChintanAcharya)
babel-traverse
- #11482 handle objectMethod in scope.isPure (@Zzzen)
babel-plugin-transform-typescript
- #11410 Throw error for TypeScript declare const enum (@dosentmatter)
babel-compat-data
- #11462 chore: add node.js 14 support data (@JLHwung)
babel-parser
- #11449 Set exprAllowed to false for star token (@existentialism)
- #11355 fix: disallow expression after binding identifier of (@JLHwung)
- #11417 fix: report missing plugins on type exports (@JLHwung)
- #11388 fix: do not push new token context when function is following dot/questionDot (@JLHwung)
babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties
- #11424 Fix redeclaring private in nested class's superClass (@jridgewell)
- #11405 Fix nested classes reference private fields (@jridgewell)
babel-traverse, babel-types
- #11378 transform-spread: create TS types (not Flow) when using TS (@Beraliv)
babel-standalone
- #11395 chore: update stage preset in babel-standalone (@JLHwung)
babel-plugin-transform-runtime
- #11366 fix: replace backslashes with forward slashes from resolved path for … (@johannes-z)
babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-throw-expressions, babel-plugin-transform-async-to-generator
- #11382 Unify parens printing for postfix-like expressions (@nicolo-ribaudo)

:nail_care: Polish

babel-parser
- #11478 Add some parser missing plugins errors (@JLHwung)
- #11417 fix: report missing plugins on type exports (@JLHwung)
babel-core
- #11421 polish: recommend preset for js extensions (@JLHwung)
- #11397 fix: add classPrivateProperties and classPrivateMethods to missing plugin helper (@JLHwung)

:memo: Documentation

babel-parser
- #11492 docs: update AST spec (@JLHwung)
Other
- #11493 Add note about experimental nature of @babel/eslint-* packages (@kaicataldo)
- #11403 contributing.md updates [skip ci] (@hzoo)

:house: Internal

babel-compat-data, babel-preset-env
- #11496 Update compat table script (@nicolo-ribaudo)
- #11450 Update compat data (@JLHwung)
Other
- #11479 Canary build of packages using CodeSandbox CI + mini repl (@hzoo)
- #11467 chore: test against node.js 14 (@JLHwung)
- #11456 remove < x.y.z engines specification (@JLHwung)
- #11433 chore: remove included proposal plugins (@JLHwung)
- #11422 chore: upgrade @babel/* deps (@JLHwung)
babel-node
- #11440 refactor(babel-node): Refactor babel-node tests configuration (@arku)

:running_woman: Performance

babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #11401 Speed up the createSuper helper (@jridgewell)
  v7.9.5 (2020-04-07)

:bug: Bug Fix

babel-plugin-proposal-object-rest-spread, babel-plugin-transform-parameters
- #11326 Correctly transpile when default parameter initializer references binding in rest pattern (@vedantroy)
babel-traverse
- #11375 Fixed generateUid creating clashing ids after scope re-crawling (@Andarist)
- #11323 Fixed issue with programPath.scope.references not being registered back correctly after scope re-crawling (@Andarist)
babel-plugin-transform-destructuring
- #11360 fix Incorrect destructuring compilation of `for (let [[x] = [1]] = []… (@Zzzen)
babel-preset-env
- #11373 Fixed useBuiltIns and modules validation when using 'false' as option (@JMarkoski)
babel-plugin-transform-classes
- #11341 Fix createSuper in Babel <7.5.5 (@nicolo-ribaudo)
babel-helper-function-name, babel-plugin-transform-function-name
- #11361 fix: do not add function name when parent's operator is not = (@JLHwung)
babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx
- #11354 fix auto import error with whitespace JSXText (@lunaruan)
babel-types
- #11359 fix: allow logical assignment operators in AssignmentExpression (@JLHwung)
babel-plugin-transform-parameters
- #11346 Set correct async/generator in IIFE for params (@nicolo-ribaudo)
babel-helper-create-class-features-plugin
- #11345 Ignore abstract methods when decorating class (@oliverdunk)

:nail_care: Polish

babel-plugin-transform-parameters
- #11349 Don't check type annotations when deciding params scope (@nicolo-ribaudo)
babel-traverse
- #11368 Simplify scope.hasReferences implementation (@Andarist)
babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #11358 Don't call createSuper in loose mode (it was unused) (@nicolo-ribaudo)
babel-generator
- #11328 polish: align optional chain whitespace behavior to their sibiling (@JLHwung)

:house: Internal

#11374 Bump handlebars dep (@existentialism)
#11347 Fix e2e publish test when branching from an older version (@nicolo-ribaudo)
#11329 chore: remove unused graceful-fs (@JLHwung)
v7.9.4 (2020-03-24)

:bug: Bug Fix

babel-parser
- #11186 fix: token after strict mode block is evaluated in strict mode (@kaicataldo)
babel-generator
- #11325 fix: check parentheses between optional chain and other types (@JLHwung)
babel-plugin-transform-react-jsx, babel-preset-react
- #11324 Restore default pragmas in preset-react for classic runtime (@existentialism)
babel-plugin-transform-typescript
- #11315 [preset-typescript] Fix private members type annotations (@Lodin)

:house: Internal

babel-parser
- #11322 Compact parser fixture loc info (@JLHwung)
  v7.9.3 (2020-03-22)

:bug: Bug Fix

babel-plugin-transform-parameters
- #11307 Define default value for vars shadowing params (@nicolo-ribaudo)
babel-generator
- #11306 Fix logic to insert parens in return statements with comments (@nicolo-ribaudo)
babel-parser
- #11284 fix: async arrow functions should not be allowed after binary operator. (@vedantroy)

:house: Internal

#11293 chore: fix build-babel exclude in gulpfile (@JLHwung)
v7.9.2 (2020-03-21)

:bug: Bug Fix

babel-helpers, babel-plugin-transform-classes
- #11298 Manually inline the createSuper helper on older Babel versions (@nicolo-ribaudo)
babel-helpers
- #11302 Don't use ES6 in the for-of helper (@nicolo-ribaudo)
babel-parser, babel-plugin-transform-typescript
- #11296 fix: parse value imports named type as values (@kaicataldo)

:house: Internal

babel-helper-transform-fixture-test-runner, babel-plugin-transform-react-jsx-development, babel-preset-react
- #11297 Transform cwd in string literal on win32 (@JLHwung)
  v7.9.1 (2020-03-20)

:bug: Bug Fix

babel-plugin-transform-react-jsx, babel-preset-react
- #11295 Consider jsxFrag as set when it's set to the default value (@nicolo-ribaudo)
  v7.9.0 (2020-03-20)

:rocket: New Feature

babel-generator, babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-preset-react, babel-preset-typescript, babel-standalone
- #11126 Mark transpiled JSX elements as pure (@nicolo-ribaudo)
babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx, babel-preset-react, babel-standalone
- #11154 Add experimental version of the babel-plugin-transform-react-jsx transform (@lunaruan)
babel-compat-data, babel-preset-env
- #11083 Include preset modules (@nicolo-ribaudo)
- #10971 Add numeric separator to shippedProposals (@Wetinee)
babel-core, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #8656 Allow extending untranspiled classes (@nicolo-ribaudo)
babel-core, babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd
- #11194 Allow defining the moduleIds-related option in the transform plugins (@nicolo-ribaudo)
babel-core, babel-generator, babel-parser, babel-plugin-syntax-record-and-tuple, babel-types
- #10865 Added support for record and tuple syntax. (@rickbutton)
babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-preset-flow
- #11178 Implement support for declare on class fields with Flow (@nicolo-ribaudo)
babel-types
- #10680 Add cloneDeepWithoutLoc (@Taym95)
babel-generator
- #11028 Added jsescOptions to Numeric Literals (@sidntrivedi012)
babel-generator, babel-parser, babel-types
- #11077 Add support for flow's SymbolTypeAnnotation (@existentialism)
babel-parser
- #11117 Parse BigInts by default (@nicolo-ribaudo)
- #11254 Add estree parsing support for export * as A (@existentialism)
- #11246 feat: align ID_Start/ID_Continue regex to Unicode 13.0.0 (@JLHwung)
babel-plugin-transform-react-jsx-source, babel-preset-react
- #11139 feat(react-jsx-source): add columnNumber property (@motiz88)
babel-generator, babel-parser, babel-plugin-transform-typescript, babel-preset-typescript, babel-types
- #11171 Add import type and export type support to TypeScript (@nicolo-ribaudo)

:bug: Bug Fix

babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-helper-validator-identifier, babel-highlight, babel-parser, babel-types
- #11289 Add @babel/helper-validator-identifier (@JLHwung)
babel-plugin-proposal-optional-chaining
- #11261 Memoize call expressions in optional chains in loose mode (@oliverdunk)
babel-plugin-transform-react-jsx-self, babel-preset-react
- #11290 Pass the correct this to JSX's __self with the old plugin (@nicolo-ribaudo)
babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
- #11288 Use the correct this in __self for JSX elements in arrows (@nicolo-ribaudo)
babel-compat-data, babel-preset-env
- #11280 Move object-rest-spread after transform-parameters (@JLHwung)
babel-helpers, babel-plugin-transform-for-of, babel-preset-env
- #11285 Allow for-of on polyfilled or builtin iterables without Symbol support (@nicolo-ribaudo)
- #11263 Add for-of fallback for arrays in browsers without symbol support (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread
- #11282 fix: object-rest-spread should not transform export array rest (@JLHwung)
babel-register
- #11249 Add path separator to @babel/register sourceRoot (@andrewdotn)
babel-core, babel-helpers, babel-plugin-transform-runtime
- #10575 Create File class for babel helpers (@JLHwung)
babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env, babel-runtime-corejs2, babel-runtime
- #11268 Allow rest/spread on polyfilled or builtin iterables without Symbol support (@nicolo-ribaudo)
babel-parser
- #11148 Allow await when it is not in AsyncArrowHead (@arku)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-runtime-corejs2, babel-runtime
- #9794 fix(rest-spread): Do not require Symbol.iterator for strings (@clshortfuse)
babel-generator
- #11255 Fix printing edge cases in Nullish Coalescing and Optional Chaining (@jridgewell)

:nail_care: Polish

babel-parser
- #11208 Rephrase parser error message (@JLHwung)
babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-plugin-transform-spread, babel-preset-env, babel-runtime-corejs2, babel-runtime
- #11264 Throw better errors for non-iterables when Symbol doesn't exist. (@nicolo-ribaudo)

:house: Internal

babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-helper-validator-identifier, babel-highlight, babel-parser, babel-types
- #11289 Add @babel/helper-validator-identifier (@JLHwung)
babel-compat-data, babel-preset-env
- #11277 Update compat-data (@existentialism)
babel-core
- #11276 chore: bump json5 and minimist (@JLHwung)
babel-types
- #11250 Add stricter Optional Chain node validation (@jridgewell)
- #11267 Update Purish aliases (@jridgewell)
babel-helpers, babel-plugin-transform-block-scoping, babel-plugin-transform-for-of, babel-plugin-transform-parameters, babel-plugin-transform-runtime, babel-preset-env
- #11262 Extract for-of iterator handling to a helper (@nicolo-ribaudo)
babel-core, babel-plugin-proposal-decorators, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-parameters, babel-traverse
- #11260 Support more node types in generateUidBasedOnNode (@jridgewell)
Other
- #11259 Remove unused gulp-rename (@existentialism)
  v7.8.8 (2020-03-12)

:rocket: New Feature

babel-helper-create-regexp-features-plugin, babel-plugin-proposal-unicode-property-regex, babel-plugin-transform-dotall-regex
- #11244 Add support for Unicode 13 in regexps (update regexpu-core) (@nicolo-ribaudo)

:bug: Bug Fix

babel-plugin-transform-parameters
- #11242 fix: do not remove shadowed for-loop declarators (@JLHwung)
babel-generator
- #11227 Force parentheses around array and conditional infer (@smelukov)
babel-parser
- #11188 fix: non-directive "use strict" should not enable parsing in strict mode (@kaicataldo)
babel-preset-env
- #11218 update: preset-env-fixtures (@kaicataldo)

:house: Internal

babel-plugin-syntax-export-namespace-from
- #11236 Archive @babel/plugin-syntax-export-namespace-from (@nicolo-ribaudo)
Other
- #11235 chore: pin @rollup/plugin-json to 4.0.1 (@JLHwung)
- #11230 chore: update acorn to latest version (@JLHwung)
babel-preset-env
- #11225 Update @babel deps (@existentialism)
babel-parser
- #11219 refactor: remove redundant contextDescription empty check (@JLHwung)
  v7.8.7 (2020-03-05)

:bug: Bug Fix

babel-preset-env
- #11201 Allow using preset-env with newer versions of compat-data (@nicolo-ribaudo)
babel-core
- #11193 Pass URLs to import() rather than paths (@nicolo-ribaudo)
babel-parser
- #11198 fix(babel-parser): chain off optionally chained keys named class and function (@Vages)
babel-helper-call-delegate, babel-plugin-transform-parameters
- #11158 Fix scope of function body when var redeclares param (@openorclose)
babel-generator
- #11190 Fix printing parentheses around optional chains (@sag1v)
babel-types
- #11184 Add "Statement" as alias to Flow enum declaration (@gkz)
babel-plugin-transform-typescript
- #11129 Typescript: Preserve decorated definite class properties (@jamescdavis)

:house: Internal

babel-parser
- #11192 Refactor: add parser message template (@JLHwung)
Other
- #11181 Set correct version for @babel/eslint-plugin-development (@nicolo-ribaudo)
  v7.8.6 (2020-02-27)

:eyeglasses: Spec Compliance

babel-helper-module-transforms, babel-helper-replace-supers, babel-plugin-transform-modules-commonjs
- #11109 Fix rewriteThis in helper-module-transforms for computed class elements (@sidntrivedi012)
babel-parser
- #10956 Refactor await/yield production parameter tracking (@JLHwung)

:boom: Breaking Change

#11137 Breaking: align babel-eslint-parser & espree (@kaicataldo)

:rocket: New Feature

babel-helper-create-regexp-features-plugin, babel-plugin-transform-classes, babel-plugin-transform-named-capturing-groups-regex, babel-preset-env
- #11134 Mark wrapNativeSuper and wrapRegExp as pure (@nicolo-ribaudo)

:bug: Bug Fix

babel-helper-compilation-targets
- #11124 fix: search for browserslist if esmodules is falsy (@fengzilong)
babel-register
- #11160 fix: workaround misleading node.js ENOENT error (@JLHwung)
babel-parser
- #11146 Parse declare modifier around accessibility modifiers (@JLHwung)
- #11092 Fix Async Generic After Await Parsing Error (@liamfd)
Other
- #11137 Breaking: align babel-eslint-parser & espree (@kaicataldo)
babel-compat-data, babel-preset-env
- #10929 Update preset-env builtin-definitions (@JLHwung)
babel-traverse
- #11136 fix @babel/traverse can't use path.remove() with noScope (@liuxingbaoyu)
babel-helper-create-class-features-plugin, babel-helper-replace-supers
- #11068 Fix classNameTDZError in computed prototype methods with class fields (@sidntrivedi012)
babel-template
- #11112 Respect preserveComments option in tempate.ast() (@dentrado)
babel-plugin-transform-for-of
- #11088 Allow redeclaration of loop variable in body (@openorclose)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #11074 Fix export bindings not updated by 'for ... in' and 'for ... of' (@vedantroy)
babel-standalone
- #10797 fix: specify sourceFileName when generating inline sourcemaps (@JLHwung)
babel-types
- #11089 Make isReferenced return false for method parameter name (@brokensandals)

:nail_care: Polish

babel-core, babel-generator, babel-plugin-external-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-function-bind, babel-plugin-transform-async-to-generator, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #11133 Skip newlines around inline #__PURE__ annotations (@nicolo-ribaudo)

:house: Internal

Other
- #11175 replace gulp-watch by gulp.watch (@JLHwung)
- #11163 chore: migrate lock threads to github actions (@JLHwung)
- #11164 chore: specify dependency rule of check-compat-data-ci (@JLHwung)
- #11106 Centralize @babel/eslint-* tests (@kaicataldo)
- #11072 Update @babel deps (@existentialism)
- #11070 Clean babel-eslint-/*/lib (@kaicataldo)
babel-generator, babel-helper-fixtures, babel-parser, babel-traverse
- #11168 Enable more eslint recommended rules (@JLHwung)
babel-helper-replace-supers
- #11121 Fix typing of ReplaceSupers options (@existentialism)
babel-core, babel-plugin-syntax-decorators, babel-template, babel-traverse
- #11119 Add eslint-plugin-jest (@JLHwung)
babel-parser
- #11096 Wrap type-only class fields in flow comments (@nicolo-ribaudo)
babel-core, babel-parser, babel-types
- #11093 Turn on no-fallthrough rule (@JLHwung)
babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2, babel-preset-stage-3
- #11101 Remove stage presets from the monorepo (@nicolo-ribaudo)
babel-preset-env-standalone
- #10993 Archive @babel/preset-env-standalone (@nicolo-ribaudo)
  v7.8.5 (2020-01-31)

:bug: Bug Fix

babel-compat-data
- #11078 Do not publish build directory of compat-data (@danez)

:house: Internal

#11071 Further refactoring of @babel/eslint-parser (@kaicataldo)
v7.8.4 (2020-01-30)

:warning: In Babel 7.8.0 we introduced the --copy-ignored option for @babel/cli, defaulting to false. However, previous versions behaved as if that option was present: for this reason, we changed its default value to true (when --copy-files is provided) and introduced a --no-copy-ignored option to disable it.

:eyeglasses: Spec Compliance

babel-parser
- #11031 fix: properly parse member expression after property initializer (@vedantroy)
- #11017 Update coalesce precedence (@JLHwung)
- #11009 fix: triple __proto__ in object patterns should be allowed (@JLHwung)
- #10987 Duplicate __proto__ key should be allowed in object patterns (@JLHwung)

:bug: Bug Fix

babel-cli
- #11063 [@babel/cli] Copy ignored files by default (@nicolo-ribaudo)
babel-compat-data
- #11066 Fix core-js 2 builtin data for opera (@danez)
babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-typeof-symbol, babel-preset-env
- #11049 Avoid compiling the _typeof helper with itself (@nicolo-ribaudo)
babel-traverse
- #11011 Bug/missing references after crawl (@regiontog)
babel-plugin-transform-parameters
- #9714 Fix rest parameters indexing with TypeScript 'this parameter' (@BenoitZugmeyer)
babel-plugin-transform-for-of
- #11023 fix: for-of transform should skip for-await-of (@JLHwung)
babel-compat-data, babel-preset-env
- #11016 Re-generate preset-env fixtures (@nicolo-ribaudo)
babel-generator
- #11014 Fix parentheses removal in nullish-coalescing operation (@sidntrivedi012)
babel-helper-compilation-targets
- #11006 fix: supply '.' subpath for backward compatibility with node.js 13.0-13.1 (@JLHwung)

:nail_care: Polish

babel-core
- #10969 polish: throw human-friendly error when item-option pair is incorrectly unwrapped (@JLHwung)

:memo: Documentation

babel-parser
- #11015 add AST for the module attribute proposal (@xtuc)

:house: Internal

babel-compat-data
- #11039 Update compat table (@nicolo-ribaudo)
- #11041 Delete duplicated file in @babel/compat-data (@nicolo-ribaudo)
- #10814 chore: map mobile browser data to their desktop version (@JLHwung)
- #11024 Check that generated compat-data is up to date on CI (@nicolo-ribaudo)
babel-parser
- #11032 refactor: simplify toAssignable routine (@JLHwung)
- #11026 chore: use @babel/eslint-config-internal (@JLHwung)
babel-preset-env
- #11030 update compat-data related docs/config [skip ci] (@JLHwung)
babel-compat-data, babel-node, babel-parser, babel-preset-env
- #11025 Enable no-process-exit (@JLHwung)
Other
- #11021 chore: replace yarn-upgrade by bump-babel-dependencies in vuejs e2e tests (@JLHwung)
- #11004 chore: test against @vue/babel-preset-app (@JLHwung)
babel-core
- #10995 Exclude import() tests from pubilsh build (@nicolo-ribaudo)

:running_woman: Performance

babel-parser
- #11029 fix(babel-parser): avoid state.clone() to clone the whole token store (@3cp)
  v7.8.3 (2020-01-13)

:bug: Bug Fix

babel-types
- #11002 fix: generated builder parameter should respect builder keys (@JLHwung)

:house: Internal

babel-preset-env-standalone, babel-standalone
- #10994 Ignore .map files in standalone packages (@nicolo-ribaudo)
babel-plugin-proposal-decorators, babel-plugin-proposal-dynamic-import, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-object-rest-spread, babel-plugin-syntax-async-generators, babel-plugin-syntax-bigint, babel-plugin-syntax-dynamic-import, babel-plugin-syntax-json-strings, babel-plugin-syntax-nullish-coalescing-operator, babel-plugin-syntax-object-rest-spread, babel-plugin-syntax-optional-catch-binding, babel-plugin-syntax-optional-chaining, babel-plugin-transform-flow-strip-types, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-react-constant-elements, babel-preset-env-standalone, babel-preset-env, babel-standalone
- #10820 Archive syntax plugins enabled by default (@nicolo-ribaudo)

:leftwards_arrow_with_hook: Revert

Every package
- #11003 Revert "chore: specify package type (#10849)" (@nicolo-ribaudo)
  v7.8.2 (2020-01-12)

:bug: Bug Fix

babel-preset-env
- #10992 fix: isPluginRequired returns the opposite result in v7.8.0 (@sodatea)
  v7.8.1 (2020-01-12)

:bug: Bug Fix

babel-compat-data, babel-helper-compilation-targets
- #10991 Downgrade semver for compatibility with Node 6 (@nicolo-ribaudo)
  v7.8.0 (2020-01-12)

:eyeglasses: Spec Compliance

babel-parser
- #10980 Disallow private name in object elements and TS type elements (@JLHwung)
- #10955 LiteralPropertyName should allow BigIntLiteral (@JLHwung)
- #10953 fix: check await when parsing AsyncArrowBindingIdentifier (@JLHwung)
- #10947 Fix: TopLevelAwait should respect await identifiers defined in sub scope. (@JLHwung)
- #10946 fix: Class Field Initializer should not allow await expression as immediate child (@JLHwung)
babel-plugin-proposal-numeric-separator
- #10938 StringNumericLiteral does not include NumericLiteralSeparator (@JLHwung)
babel-generator, babel-parser, babel-plugin-proposal-private-methods
- #10456 [parser] Disallow duplicate and undeclared private names (@nicolo-ribaudo)

:boom: Breaking Change

babel-types
- #10917 (opt-in) Improve @babel/types with env.BABEL_TYPES_8_BREAKING (@nicolo-ribaudo)

:rocket: New Feature

babel-standalone
- #10821 Merge env-standalone to babel-standalone (@JLHwung)
babel-core
- #10783 Add babelrc.json support (@yordis)
- #10903 Add support for babel.config.mjs and .babelrc.mjs (@nicolo-ribaudo)
babel-compat-data, babel-preset-env-standalone, babel-preset-env
- #10811 Add optional-chaining and nullish-coalescing to preset-env (@Druotic)
babel-helper-module-transforms, babel-plugin-transform-modules-systemjs
- #10780 add allowTopLevelThis option to transform-modules-systemjs (@JLHwung)
babel-parser
- #10817 enable optional chaining by default in @babel/parser (@jackisherwood)
babel-cli
- #10887 --copy-ignored flag added to CLI (@rajasekarm)
- #9144 Add --out-file-extension option to babel-cli (@eps1lon)
babel-core, babel-generator, babel-parser
- #10819 Enable nullish coalescing by default in @babel/parser (@layershifter)
babel-core, babel-parser
- #10843 [parser] enable dynamic import by default (@AbdulAli19)

:bug: Bug Fix

babel-node
- #10763 Filename detection should respect short flags (@JLHwung)
babel-plugin-proposal-numeric-separator
- #10938 StringNumericLiteral does not include NumericLiteralSeparator (@JLHwung)
babel-preset-env
- #10790 Use chrome data when android is absent (@JLHwung)
- #10930 fix: Promise.any requires global.AggregateError (@JLHwung)
babel-parser
- #10944 When reading a new string, U+2028/2029 should correctly set the new column (@JLHwung)
- #10937 Refactor parseSubscript (@JLHwung)
- #10901 fix: lost leading comment after named import (@elevatebart)
babel-traverse
- #10949 Override toString in case this function is printed (@jayenashar)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #10934 helper-module-transforms: dereference imported template tag (@ajafff)
babel-traverse, babel-types
- #10912 Fix parameter expression get binding (@JLHwung)
babel-core
- #10914 @babel-core: parse should parse only (@kaicataldo)
babel-helpers
- #10902 fix: Object.getOwnPropertySymbols called on non-object (@bassaer)

:nail_care: Polish

babel-node
- #9695 Use babel > as prompt in babel-node (@ZYSzys)
babel-parser
- #10906 refactor: remove inClassProperty parser state (@JLHwung)

:memo: Documentation

babel-preset-env
- #10982 CONTRIBUTING: Update link to plugin-features.js [skip ci] (@andersk)
Other
- #10973 Added instructions to fork the repo in order to setup. (@sidntrivedi012)

:house: Internal

babel-preset-env
- #10983 chore: update corejs fixtures (@JLHwung)
- #10974 chore: update caniuse-usage Chrome 49 related fixtures (@JLHwung)
- #10924 Replace custom "findSuggestion" function with "levenary" (@nicolo-ribaudo)
babel-core
- #10507 Prepare @babel/core for asynchronicity (@nicolo-ribaudo)
Other
- #10979 Reduce false negative cases of typescript parser tests (@JLHwung)
- #10976 Update Test262, Flow and TS parser tests (@nicolo-ribaudo)
- #10964 Bump coverage target from 80% to 90% (@nicolo-ribaudo)
- #10958 Fix recent e2e-vuejs-cli error (@JLHwung)
- #10919 Add integration test: e2e-vue-cli (@JLHwung)
- #10943 chore: update test262 (@JLHwung)
- #10918 chore: refine e2e test scripts (@JLHwung)
- #10905 chore: separate build-standalone with coverage (@JLHwung)
- #10898 Move coverage to GitHub actions (@JLHwung)
babel-compat-data, babel-helper-compilation-targets, babel-preset-env
- #10899 Extract targets parser and compat data from preset-env (@nicolo-ribaudo)
babel-parser
- #10950 test: add invalid-lone-import test (@JLHwung)
- #10936 refactor: remove unecessary checkYieldAwaitInDefaultParams (@JLHwung)
- #10935 refactor: remove unused invalidTemplateEscapePosition tokenizer state (@JLHwung)
- #10939 TSTypeCastExpression should not be inside call parameters (@JLHwung)
- #10942 Remove unused parser methods (@JLHwung)
Every package
- #10849 chore: specify package type [skip-ci] (@JLHwung)

:leftwards_arrow_with_hook: Revert

babel-cli
- #10923 fix: minified should not accept optional argument (@JLHwung)
  v7.7.7 (2019-12-19)

:eyeglasses: Spec Compliance

babel-parser
- #10576 [parser] validation for parentheses in the left-hand side of assignment expressions (@boweihan)

:bug: Bug Fix

babel-plugin-proposal-object-rest-spread
- #10863 fix: add computed property support for object Ref (@JLHwung)
babel-core
- #10890 fix: skip merging large input sourcemaps (@JLHwung)
- #10885 fix: avoid string copy when processing input source-map (@JLHwung)
babel-node
- #10871 Allow -r from node_modules with @babel/node (@nicolo-ribaudo)
babel-plugin-transform-parameters
- #10053 Check shadow variable to identifier in default parameters (@JLHwung)
babel-parser
- #10828 @babel/parser: fix ImportExpression node to match ESTree spec (@kaicataldo)
- #10827 @babel/parser: fix BigIntLiteral node to match ESTree spec (@kaicataldo)

:nail_care: Polish

babel-plugin-transform-react-jsx
- #10868 Fix pragmaFrag spelling in error message (@azizhk)

:house: Internal

babel-generator, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-pipeline-operator, babel-plugin-transform-dotall-regex, babel-preset-env-standalone, babel-preset-typescript, babel-standalone
- #10882 Ignore some files in npm package (@JLHwung)
Other
- #10874 chore: cache chocolatey installation temporary files (@JLHwung)
- #10880 chore: add PR Intent checkbox [ci-skip] (@JLHwung)
- #10870 chore: update babel-eslint to 11.0.0-beta.2 (@JLHwung)
- #10848 Tune eslint packages test configuration (@JLHwung)
babel-preset-env
- #10873 chore: download compat-table when build-data is run (@JLHwung)
- #10846 Update corejs fixtures (@JLHwung)
- #10837 refactor: rewrite available-plugins to esm (@JLHwung)
babel-parser
- #10858 Properly serialize non-json values in parser tests (@nicolo-ribaudo)
babel-cli, babel-node, babel-register
- #10847 Add missing dev dependencies (@JLHwung)

:leftwards_arrow_with_hook: Revert

babel-plugin-transform-classes, babel-plugin-transform-regenerator, babel-preset-env
- #10839 Use async-to-generator even when regenerator is enabled (@nicolo-ribaudo)
  v7.7.6 (2019-12-08)

:house: Internal

#10836 chore: add PR Revert labels to changelog [ci-skip] (@JLHwung)

:leftwards_arrow_with_hook: Revert

babel-plugin-transform-modules-commonjs, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2
- #10835 Revert "Add ".js" extension to injected polyfill imports" (@JLHwung)
  v7.7.5 (2019-12-06)

:bug: Bug Fix

babel-plugin-transform-modules-commonjs, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2
- #10549 Add ".js" extension to injected polyfill imports (@shimataro)
babel-cli
- #10283 babel --watch should have equivalent file selection logic with babel (@JLHwung)
babel-parser
- #10801 Use scope flags to check arguments (@JLHwung)
- #10800 Allow tuple rest trailing comma (@yeonjuan)
- #10475 Correctly disambiguate / after async fuctions (@nicolo-ribaudo)
babel-parser, babel-plugin-proposal-optional-chaining, babel-plugin-transform-modules-amd
- #10806 fix(optional chaining): Optional delete returns true with nullish base (@mpaarating)
babel-helper-module-transforms, babel-plugin-transform-modules-amd
- #10764 fix: rewriteBindingInitVisitor should skip on scopable node (@JLHwung)

:nail_care: Polish

babel-plugin-transform-runtime
- #10788 Do not transpile typeof helper with itself in babel/runtime (@nicolo-ribaudo)
babel-core
- #10778 refactor: Improve error message in @babel/core (@jaroslav-kubicek)

:house: Internal

babel-preset-env-standalone
- #10779 Bundle standalone using rollup (@JLHwung)
Other
- #10781 Tune makefile scripts (@JLHwung)
babel-helper-transform-fixture-test-runner
- #10566 Incorrect trace position in fixture runner (@JLHwung)

v7.7.4 (2019-11-23)

: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)

v7.7.3 (2019-11-08)

:bug: Bug Fix

babel-parser
- #10682 Don't recover from "adjacent jsx elements" parser error (@nicolo-ribaudo)
  v7.7.2 (2019-11-07)

:bug: Bug Fix

babel-parser
- #10669 Parse arrows with params annotations in conditional expressions (@nicolo-ribaudo)
babel-plugin-transform-typescript
- #10658 fix: remove accessibility of constructor (@JLHwung)
babel-traverse
- #10656 fix: add inList setter for compatibility with babel-minify (@JLHwung)
  v7.7.1 (2019-11-05)

:bug: Bug Fix

babel-types
- #10650 Revert "throw a TypeError if identifier validation fails (#10621)" (@nicolo-ribaudo)
babel-preset-env
- #10649 Fix(babel-preset-env): check api.caller is a function to avoid to thr… (@love2me)

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)
- #10553 chore: introduce envinfo into environment section. (@JLHwung)
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)

v7.6.4 (2019-10-10)

:eyeglasses: Spec Compliance

babel-parser
- #10491 Trailing comma after rest - The final fix (@nicolo-ribaudo)

:bug: Bug Fix

babel-cli, babel-core, babel-generator, babel-helper-transform-fixture-test-runner
- #10536 Revert "chore: Upgrade source-map to 0.6.1 (#10446)" (@nicolo-ribaudo)
  v7.6.3 (2019-10-08)

:eyeglasses: Spec Compliance

babel-parser
- #10469 Disallow await inside async arrow params (@nicolo-ribaudo)
- #10493 [parser] Disallow numeric separators in legacy octal like integers (@gonzarodriguezt)

:rocket: New Feature

babel-types
- #10504 Add declarations for more of @babel/types exports (@Jessidhia)

:bug: Bug Fix

babel-plugin-transform-block-scoping
- #10343 Do not remove let bindings even they are wrapped in closure (@JLHwung)
babel-parser
- #10119 add scope to TSModuleDeclaration (@tanhauhau)
- #10332 Do not allow member expressions to start async arrows (@nicolo-ribaudo)
- #10490 [parser] Don't crash on comment after trailing comma after elision (@nicolo-ribaudo)
babel-plugin-transform-react-constant-elements, babel-traverse
- #10529 Do not hoist jsx referencing a mutable binding (@nicolo-ribaudo)
babel-generator, babel-parser, babel-plugin-transform-block-scoping, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-typescript
- #10220 Flow: interface identifier should be declared in the scope (@JLHwung)

:nail_care: Polish

babel-core
- #10419 assertNoDuplicates throw with more context (@hjdivad)
- #10511 Add filename to transform error (@JLHwung)

:house: Internal

Other
- #10506 Use make -j for parallel build (@JLHwung)
- #10443 perf: only apply lazy cjs module transform on cli and core (@JLHwung)
- #10494 Enable optional chaining and nullish coalescing plugins (@nicolo-ribaudo)
babel-cli, babel-core, babel-generator, babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-transform-react-jsx-source, babel-plugin-transform-runtime, babel-preset-env, babel-preset-react
- #10249 Add windows to travis (@nicolo-ribaudo)

:running_woman: Performance

babel-parser
- #10371 perf: replace lookahead by lookaheadCharCode (@JLHwung)
Other
- #10443 perf: only apply lazy cjs module transform on cli and core (@JLHwung)
  v7.6.2 (2019-09-23)

:eyeglasses: Spec Compliance

babel-parser
- #10472 added check to disallow super.private variable access and test case added. (@vivek12345)
- #10468 [parser] Disallow numeric separator in unicode scape sequences. (@ivandevp)
- #10467 [parser] Invalid NonOctal Decimal. (@gonzarodriguezt)
- #10461 [parser] Disallow static fields named constructor. (@guywaldman)
- #10455 [parser] Report escapes in kws only if they won't be used as identifiers. (@nicolo-ribaudo)

:bug: Bug Fix

babel-parser
- #10445 Leave trailing comments after handling a possible trailing comma. (@nicolo-ribaudo)
babel-cli
- #10400 fix: allow the process to exit naturally. (@JLHwung)
babel-core
- #10402 fix: pass optionLoc when validating plugin object. (@JLHwung)
babel-plugin-transform-block-scoping, babel-plugin-transform-spread, babel-traverse
- #10417 Do not guess relative execution status for exported fns. (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread, babel-preset-env
- #10275 fix object rest in array pattern. (@tanhauhau)

:house: Internal

babel-plugin-transform-named-capturing-groups-regex
- #10430 refactor: replace regexp-tree by regexpu. (@JLHwung)
Other
- #10441 Update GitHub actions to v2. (@nicolo-ribaudo)
- #10427 chore: add lint-ts rule. (@JLHwung)
babel-helper-fixtures
- #10428 chore: remove tryResolve dependency. (@JLHwung)
babel-node
- #10429 Remove babel polyfill dependency of babel-node. (@bdwain)
babel-generator, babel-helper-fixtures
- #10420 chore: remove trim-right dependency. (@JLHwung)
babel-core, babel-plugin-transform-runtime, babel-register
- #10405 Remove circular dependency. (@nicolo-ribaudo)

:running_woman: Performance

babel-parser
- #10421 Miscellaneous perf tweak. (@JLHwung)

v7.6.1 (2019-09-06)

:bug: Bug Fix

babel-types
- #10404 fix(types): correct typescript function headers (@forstermatth)
babel-node
- #9758 Remove process.exit(1) from babel-node (@dword-design)

v7.6.0 (2019-09-06)

:eyeglasses: Spec Compliance

babel-generator, babel-parser
- #10269 Fix parenthesis for nullish coalescing (@vivek12345)
babel-helpers, babel-plugin-transform-block-scoping, babel-traverse
- #9498 Fix tdz checks in transform-block-scoping plugin (@nicolo-ribaudo)

:rocket: New Feature

babel-core
- #10181 feat(errors): validate preset when filename is absent (@JLHwung)
babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods
- #10217 Class Private Static Accessors (@tim-mc)
babel-generator, babel-parser, babel-types
- #10148 V8intrinsic syntax plugin (@JLHwung)
babel-preset-typescript
- #10382 Allow setting 'allowNamespaces' in typescript preset (@dsgkirkby)
babel-parser
- #10352 Do not register ambient classes to the TS scope (@nicolo-ribaudo)
babel-types
- #10248 Add static to class property builder (@yuri-karadzhov)

:bug: Bug Fix

babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-preset-env
- #10396 fix: early return when instance is not iterable (@JLHwung)
babel-plugin-transform-runtime
- #10398 Add supports for polyfill computed methods (@rhyzx)
babel-preset-env
- #10397 Don't polyfill when evaluation is not confident (@rhyzx)
- #10218 [preset-env] Include / exclude module plugins properly (@AdamRamberg)
- #10284 Replace es.string.reverse with es.array.reverse (@epicfaace)
babel-plugin-transform-named-capturing-groups-regex
- #10395 fix: transform name capturing regex once (@JLHwung)
babel-types
- #10098 fix typescript for babel-types (@tanhauhau)
- #10319 Add a builder definition including name for tsTypeParameter (@deificx)
babel-parser
- #10380 Refactor trailing comment adjustment (@banga)
- #10369 Retain trailing comments in array expressions (@banga)
- #10292 fix: assign trailing comment to ObjectProperty only when inside an ObjectExpression (@JLHwung)
babel-parser, babel-types
- #10366 Don't allow JSXNamespacedName to chain (@jridgewell)
babel-generator, babel-plugin-transform-typescript, babel-types
- #10341 Add TSBigIntKeyword to @babel/types (@nicolo-ribaudo)
babel-core, babel-types
- #9960 Do not delete "fake" source map comments from strings (@nicolo-ribaudo)
babel-plugin-transform-flow-comments
- #10329 Fix flow comments plugin issues (@zaygraveyard)
babel-helpers, babel-plugin-transform-react-constant-elements
- #10307 [fix] jsx helper calls order (@Sinewyk)
babel-plugin-proposal-decorators
- #10302 fix: register inserted class declaration (@thiagoarrais)
babel-plugin-proposal-do-expressions, babel-traverse
- #10070 Do expressions transform for switch statements (@tanhauhau)
- #10277 remove finally from completion record in try statement (@tanhauhau)
babel-helpers, babel-plugin-transform-named-capturing-groups-regex
- #10136 fix capturing group for matchAll (@tanhauhau)

:nail_care: Polish

babel-plugin-transform-runtime, babel-preset-env
- #10372 Don't allow instance properties transformation on namespace (@rhyzx)

:memo: Documentation

#10313 Adds note about two approval policy to PR template (@thiagoarrais)

:house: Internal

babel-register
- #9847 Remove core-js dependency from @babel/register (@coreyfarrell)
babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-preset-env
- #10401 Use "validateLogs" for preset-env's debug fixtures (@nicolo-ribaudo)
babel-parser
- #10380 Refactor trailing comment adjustment (@banga)
babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-plugin-proposal-dynamic-import, babel-preset-env
- #10326 Allow testing logs with @babel/helper-transform-fixture-test-runner (@nicolo-ribaudo)
babel-runtime-corejs2, babel-runtime, babel-types
- #10331 Commit generated code (@JLHwung)
babel-cli, babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-helper-fixtures, babel-node, babel-parser, babel-plugin-proposal-do-expressions, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-modules-commonjs, babel-plugin-transform-runtime, babel-preset-env, babel-standalone, babel-template, babel-traverse, babel-types
- #10228 Update dev dependencies and fix linting errors (@danez)
babel-cli
- #10244 added flow to babel cli (@Letladi)

:running_woman: Performance

babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
- #10161 Improves the logic to import objects in helpers (@ifsnow)
babel-traverse
- #10243 perf: always return void 0 as undefined node (@JLHwung)

v7.5.5 (2019-07-17)

:bug: Bug Fix

babel-code-frame
- #10211 fix code-frame marker with highlighting (@tanhauhau)
babel-plugin-proposal-object-rest-spread
- #10200 Workaround #10179 in proposal-object-rest-spread (@nicolo-ribaudo)
babel-types
- #10198 add assertShape to validate templateElement (@tanhauhau)
babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-object-super, babel-types
- #10017 destructuring private fields with array pattern / object pattern (@tanhauhau)
babel-plugin-transform-flow-comments
- #9901 fix transform-flow-comments for import types (@tanhauhau)
babel-core, babel-helpers
- #10208 always throw when add missing helpers (@tanhauhau)
babel-plugin-transform-runtime
- #10207 Closes #10205 (@sag1v)
babel-helpers, babel-plugin-transform-instanceof
- #10197 fix: custom instOfHandler result should be cast to boolean (@JLHwung)

:house: Internal

babel-parser, babel-plugin-transform-typescript
- #10014 Use correct extension for typescript fixtures (@danez)

:running_woman: Performance

babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #10189 perf: match ownKeys perf to the one of objectSpread (@JLHwung)

v7.5.4 (2019-07-09)

:bug: Bug Fix

babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #10188 Fix _objectSpread2 for real (@nicolo-ribaudo)

v7.5.3 (2019-07-09)

:bug: Bug Fix

babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #10180 [_objectSpread2] Do not use hoisted var from prev iteration (@nicolo-ribaudo)

v7.5.2 (2019-07-08)

:bug: Bug Fix

babel-plugin-transform-typescript
- #10174 Do not trust Scope when removing TypeScript types (@nicolo-ribaudo)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #10171 Don't rely on getOwnPropertyDescriptors in objectSpread2 (@nicolo-ribaudo)
babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from
- #10172 fix: register injected importDeclaration (@JLHwung)

v7.5.1 (2019-07-06)

:bug: Bug Fix

babel-helpers, babel-plugin-proposal-object-rest-spread
- #10170 Fix objectSpread2 backward compatibility (@nicolo-ribaudo)
babel-plugin-transform-typescript
- #10167 Retain typescript export-from-source (@Wolvereness)

v7.5.0 (2019-07-04)

:eyeglasses: Spec Compliance

babel-parser
- #10099 Disallow "let" as name at lexical bindings (@g-plane)

:rocket: New Feature

babel-parser
- #10091 BigInt type for Flow (@tanhauhau)
- #9450 Implement f# pipeline in parser (@mAAdhaTTah)
- #9912 [legacy decorators] Allow decorating generator methods (@nicolo-ribaudo)
- #9864 [@babel/parser] Add "allowUndeclaredExports" option (@nicolo-ribaudo)
babel-plugin-proposal-dynamic-import, babel-preset-env-standalone, babel-preset-env
- #10109 Add @babel/plugin-proposal-dynamic-import to @babel/preset-env (@nicolo-ribaudo)
babel-plugin-proposal-dynamic-import, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs
- #9552 Create @babel/plugin-proposal-dynamic-import (@nicolo-ribaudo)
babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
- #9984 Transform for F# Pipeline (@thiagoarrais)
babel-plugin-transform-typescript, babel-types
- #9785 Implement TypeScript namespace support (@Wolvereness)

:bug: Bug Fix

babel-plugin-proposal-do-expressions, babel-traverse
- #10072 fix await and yield for do expression (@tanhauhau)
babel-helpers, babel-plugin-transform-react-constant-elements
- #10155 Added es3 backward compatibility for react helper code (@sormy)
babel-preset-env
- #10127 Bump compat-table and updating preset-env mappings (@existentialism)
- #8897 Allow defaults query in preset-env (@existentialism)
babel-parser
- #10132 fix import typeof in declare module (@tanhauhau)
- #10084 flow - allow type parameter defaults in function declarations (@tanhauhau)
babel-types
- #10126 fix exportKind declaration in babel-types (@zxbodya)
babel-node
- #9951 Prevents exception on PnP (@arcanis)
babel-generator
- #10041 Fix printer for explicitly inexact Flow types (@mrtnzlml)
babel-plugin-transform-typescript
- #10034 Use scope for typescript export removals (@Wolvereness)
- #10019 fix(typescript): erase default export if exporting a TS type (@airato)
babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-traverse
- #10029 Fixed computed keys for class expression (@tanhauhau)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #9384 Retry to fix object spread helper compatibility (@saschanaz)
babel-plugin-transform-destructuring
- #10013 fix destructuring rest with template literal (@tanhauhau)
babel-helper-create-class-features-plugin, babel-plugin-transform-typescript
- #9610 Use injectInitialization to generate ts parameter properties (@nicolo-ribaudo)

:nail_care: Polish

babel-core
- #10157 Fix incorrect usage of $o instead of %o in debug (@ChlorideCull)
babel-helpers
- #10117 Simplify the helpers for classPrivateField{Get,Set} (@arv)
babel-plugin-transform-typescript
- #10047 Refactor isImportTypeOnly helper function (@Andarist)

:memo: Documentation

babel-plugin-proposal-partial-application, babel-plugin-syntax-partial-application
- #10103 docs: update readmes (@xtuc)

v7.4.5 (2019-05-21)

:bug: Bug Fix

babel-parser
- #9998 Fix location for optional params in arrow functions (@danez)
- #9982 Avoid unnecessary work during lookahead (@danez)
- #9922 fix: allow shebang directive (@tanhauhau)
babel-preset-env
- #10002 Update preset-env dependencies and fix fixtures (@danez)
- #9978 Fix mobile browsers support in preset-env (@nicolo-ribaudo)
- #9902 Fix destructuring assignments being transpiled for edge 15 (@eps1lon)
babel-plugin-transform-typescript
- #9944 fix(typescript): erase type exports (@airato)

:nail_care: Polish

babel-parser
- #9995 Do not use lookahead when parsing construct signature declarations in TS (@danez)
- #9989 Only compute Position if not already in state (@danez)
- #9988 Do not use lookahead when parsing jsx expression containers (@danez)
- #9987 Do not use lookahead when parsing imports in declare module in flow (@danez)
- #9985 Do not use lookahead when parsing declare module or declare module.exports in flow (@danez)
- #9983 Do not use lookahead when parsing dynamic import or import.meta (@danez)
- #9979 Remove guardedHandlers from ASTs (@danez)
babel-preset-env
- #9992 use console.warn for warning (@schu34)
babel-core
- #9945 Fixed null error in plugin opts and added a test for it (@divbhasin)
babel-core, babel-traverse
- #9909 Add missing space in error messages (@pnavarrc)

:house: Internal

babel-node
- #9914 [babel-node] Do not hardcode node flags (@nicolo-ribaudo)

v7.4.4 (2019-04-26)

:bug: Bug Fix

babel-plugin-transform-flow-comments
- #9897 fix flow-comments - class type paramters and implements (@tanhauhau)
- #9893 fix flow-comment - object destructuring (@tanhauhau)
babel-parser
- #9766 Add TS support to @babel/parser's Scope (@nicolo-ribaudo)
- #9865 Always register global bindings as exportable (@nicolo-ribaudo)
- #9887 Fix TypeScript readonly error location (@existentialism)
- #9869 ! remove constant context assertions (@tanhauhau)
- #9890 Fix parsing typescript bodiless methods with the estree plugin also enabled (@devongovett)
babel-traverse
- #9870 Fix flow types in traverse/path/family and enable flow (@danez)
babel-plugin-proposal-class-properties, babel-plugin-transform-modules-commonjs, babel-types
- #9861 Fix: PrivateName Identifier should not be isReferenced. (@coreyfarrell)
babel-types
- #9832 Fix typo in cloneNode. (@evandervalk)

v7.4.3 (2019-04-02)

:eyeglasses: Spec Compliance

babel-parser
- #9769 Don't accept '\08' or '\09' in strict mode. (@danez)
- #9768 Correctly check for-in and for-of loop for invalid left-hand side. (@danez)
- #9767 Parse right-hand-side of for/of as an assignment expression. (@danez)
- #9748 [typescript] parsing template literal as type . (@tanhauhau)

:rocket: New Feature

babel-plugin-transform-runtime
- #9754 [runtime-corejs3] Only polyfill instance methods when it might be needed. (@nicolo-ribaudo)

:bug: Bug Fix

babel-polyfill
- #9780 Closes #9232, add some missed modules to @babel/polyfill/noConflict. (@zloirock)
babel-cli
- #9807 Upgrade lodash to 4.17.11. (@danez)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #9802 Fix lazy option of babel-plugin-transform-modules-commonjs. (@AndreasCag)
babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods
- #9801 Fix super method call in private instance method calling overridden method. (@MattiasBuelens)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring
- #9416 Destructuring: Fix handling of impure computed keys with object rest. (@motiz88)
babel-plugin-transform-destructuring
- #9412 Destructuring: Fix array unpacking assignments with holes on RHS. (@motiz88)
babel-traverse
- #9415 @babel/traverse: Fix NodePath.getData. (@71)
babel-parser
- #9760 Allow HTML comments on first line. (@danez)
- #9700 Fix compatibility between estree and TS plugin. (@danez)
babel-helpers
- #9756 Allow coreJS Symbol to be type object. (@conartist6)
babel-preset-env
- #9752 Normalize core-js entry points. (@zloirock)

:nail_care: Polish

babel-parser
- #9762 Optimize parseBindingAtom code to get better error messages. (@danez)
babel-core, babel-plugin-transform-for-of
- #9698 Move array reference into for head initializer. (@danez)

:house: Internal

Other
- #9806 Update test262. (@danez)
babel-parser, babel-preset-typescript
- #9761 Explicit labels for tokenTypes. (@danez)

v7.4.2 (2019-03-21)

:bug: Bug Fix

babel-parser
- #9725 Modules might be in loose mode when checking for undecl exports (@nicolo-ribaudo)
- #9719 Fix scope checks with enabled flow plugin (@danez)
babel-helpers, babel-plugin-transform-named-capturing-groups-regex
- #9726 Fix typo in wrapRegExp helper (@nicolo-ribaudo)
babel-preset-env
- #9724 Closes #9713 (@zloirock)

:nail_care: Polish

babel-preset-env
- #9732 Mark the core-js warning as such (@nicolo-ribaudo)
- #9716 Tweak preset-env corejs/useBuiltIns warning and error messages (@existentialism)

:house: Internal

#9718 Bump Babel deps (@existentialism)

v7.4.1 (2019-03-20)

:bug: Bug Fix

babel-preset-env
- #9711 Alias @babel/preset-env/data/built-ins.json.js (@nicolo-ribaudo)
- #9709 Bring back isPluginRequired (@nicolo-ribaudo)

v7.4.0 (2019-03-19)

:eyeglasses: Spec Compliance

babel-parser
- #9529 Add readonly to TypeScript type modifier (@tanhauhau)
- #9534 TypeScript Constant contexts (@tanhauhau)
- #9637 Update identifier parsing per Unicode v12 (@mathiasbynens)
- #9616 Allow any reserved word in export {} from specifiers (@danez)
- #9612 [TS] Disallow type casts in arrow parameters (@nicolo-ribaudo)
- #9607 Refactor parsing object members (@danez)
- #9599 Disallow duplicate params in methods (@danez)
- #9586 Treat for loop body as part of loop scope (@danez)
babel-parser, babel-plugin-transform-typescript
- #9641 Allow context type annotation on getters/setters (@matt-tingen)
babel-plugin-proposal-unicode-property-regex, babel-plugin-transform-dotall-regex, babel-plugin-transform-unicode-regex
- #9636 Update babel-plugin-proposal-unicode-property-regex for Unicode v12 (@mathiasbynens)
babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-plugin-transform-modules-systemjs
- #9589 Check exported bindings are defined (@danez)
babel-generator, babel-parser, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-new-target
- #9493 Introduce scope tracking in the parser (@danez)

:rocket: New Feature

babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-polyfill, babel-preset-env, babel-register, babel-runtime-corejs2, babel-runtime-corejs3
- #7646 Update to core-js@3 (@zloirock)
babel-template
- #9648 Add %%placeholders%% support to @babel/template (@nicolo-ribaudo)
babel-parser, babel-plugin-proposal-partial-application
- #9474 Partial application plugin (@byara)
babel-generator, babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods
- #9446 Private Static Class Methods (Stage 3) (@tim-mc)
babel-generator, babel-types
- #9542 Add placeholders support to @babel/types and @babel/generator (@nicolo-ribaudo)
babel-parser
- #9364 Add parser support for placeholders (@nicolo-ribaudo)
babel-generator, babel-parser, babel-plugin-syntax-partial-application, babel-types
- #9343 Partial Application Syntax: Stage 1 (@byara)

:bug: Bug Fix

babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-private-methods
- #9704 Fix super Method Calls in Class Private Methods (@tim-mc)
babel-parser
- #9699 Correctly parse TS TypeAssertions around arrow functions (@danez)
- #9600 Fix scope check for 2nd+ lexical bindings (@danez)
- #9593 [TS] Correctly forget awaits after parsing async arrows with type args (@nicolo-ribaudo)
- #9585 Fix strict mode prescanning with EmptyStatement (@danez)
babel-core, babel-plugin-transform-for-of
- #9697 Correctly preserve reference to array in for-of loop (@danez)
babel-plugin-transform-typescript
- #9693 [plugin-transform-typescript] Fix transpiling of TS abstract classes with decorators (@agoldis)
babel-traverse, babel-types
- #9692 Fix TSFunctionType visitors definition (@penielse)
babel-plugin-proposal-object-rest-spread
- #9628 [proposal-object-rest-spread] fix templateLiteral in extractNormalizedKeys (@pnowak)
babel-plugin-transform-modules-systemjs
- #9639 System modules - Hoist classes like other variables (@guybedford)
babel-generator, babel-parser
- #9618 Disallow escape sequences in contextual keywords (@danez)
babel-helper-split-export-declaration, babel-plugin-transform-modules-commonjs, babel-traverse
- #9613 Don't add params of anonymous exported function decls to the outer scope (@nicolo-ribaudo)
babel-plugin-transform-parameters, babel-plugin-transform-typescript, babel-types
- #9605 [plugin-transform-typescript] Strip type imports used in Enums and object types (@echenley)
babel-helper-call-delegate, babel-plugin-transform-parameters
- #9601 Don't loose "this" in helper-call-delegate (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-modules-commonjs, babel-traverse, babel-types
- #9492 Mark FOO in "var { x: FOO }˝ as a binding, not as a reference (@nicolo-ribaudo)
babel-preset-env
- #9595 preset-env: Sort versions before determining lowest (@jridgewell)
babel-helper-define-map, babel-helper-hoist-variables, babel-parser, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring, babel-plugin-transform-modules-systemjs, babel-traverse, babel-types
- #9518 Use for..of Object.keys instead of for..in (@nicolo-ribaudo)

:nail_care: Polish

babel-parser
- #9646 Remove input and length from state (@danez)
- #9645 Reorganize token types and use a map for them (@danez)
- #9591 Remove always false param allowExpressionBody (@danez)
babel-standalone, babel-types
- #9025 Make babel-standalone an ESModule and enable flow (@danez)
babel-generator
- #9579 change var name for coherence (@tanohzana)

:house: Internal

Other
- #9588 Publish to npm using a GitHub action (@nicolo-ribaudo)
- #9640 Switch from rollup-stream to rollup (@danez)
- #9647 Add WarningsToErrorsPlugin to webpack to avoid missing build problems on CI (@danez)
- #9624 Update dependencies (@danez)
- #9623 Add editorconfig for Makefile (@danez)
- #9587 Update test262 (@danez)
- #9582 Minify bundles on circle for repl (@danez)
babel-register
- #9678 Remove dependency on home-or-tmp package (@AmirS)

v7.3.4 (2019-02-25)

:bug: Bug Fix

babel-parser
- #9572 Fix TypeScript parsers missing token check (#9571) (@elevatebart)
- #9521 Also check AssignmentPatterns for duplicate export name (@danez)
babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-traverse
- #9508 Use correct "this" in static fields (@nicolo-ribaudo)
babel-preset-env
- #9566 Closes #9465 (@zloirock)
babel-types
- #9539 babel-types is* type checks accept null | undefiend as value TS type (@ian-craig)
babel-plugin-transform-block-scoping, babel-traverse
- #9532 Migrate some duplicate binding tests to traverse (@danez)
babel-generator
- #9524 Fix typescript generator params (@tanhauhau)
- #9523 Fix flow babel-generator function parantheses (@tanhauhau)

:house: Internal

Other
- #9561 Update CHANGELOG.md using the "Trigger GitHub release" action (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-modules-systemjs
- #9541 Enable eqeqeq rule in eslint (@danez)
babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-traverse
- #9522 Make tests spec compliant by avoiding duplicate declarations in input files (@danez)
babel-plugin-transform-proto-to-assign
- #9533 Add import/no-extraneous-dependencies to ESLint (@nicolo-ribaudo)

v7.3.3 (2019-02-15)

:eyeglasses: Spec Compliance

babel-generator
- #9501 Correctly output escapes in directives (@nicolo-ribaudo)

:bug: Bug Fix

babel-parser
- #9477 Fix regression with let (@danez)
- #9431 Typescript function destructured params (@mhcgrq)
- #9463 Fix range for TypeScript optional parameter in arrow function (@existentialism)

:nail_care: Polish

babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters
- #9458 Fix duplicated assertThisInitialized calls in constructors (@rubennorte)

:house: Internal

Other
- #9517 Add duplicate-package-checker-webpack-plugin (@nicolo-ribaudo)
- #9469 Exclude generate @babel/types files from coverage report (@nicolo-ribaudo)
babel-parser
- #9491 Better error output in parser tests (@danez)
  v7.3.2 (2019-02-04)

Various spec compliance fixes and better support for smart pipelines and private methods.

Thanks @gverni, @naffiq, @spondbob and @dstaley for their first PRs!

:eyeglasses: Spec Compliance

babel-parser
- #9403 Fix line continuation with Unicode line terminators. (@danez)
- #9400 Make yield a contextual keyword. (@danez)
- #9398 Correctly fail for invalid yield in for. (@danez)
- #9375 Make let a contextual keyword. (@danez)

:rocket: New Feature

babel-plugin-proposal-pipeline-operator
- #9401 Support for await and yield in pipelines. (@thiagoarrais)

:bug: Bug Fix

babel-plugin-proposal-private-methods, babel-types
- #9453 Fix duplicate definition error in private class methods. (@gverni)
babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods
- #9423 Transform private async and generator functions. (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring
- #9414 Destructuring: Create assignments from ForX non-declaration patterns. (@motiz88)
babel-plugin-transform-typescript
- #9095 Retain JSX pragma if defined as a comment. (@dstaley)
babel-parser
- #9406 Fix location/range on TypeScript ExportNamedDeclarations. (@existentialism)
- #9371 Allow toplevel await with option and correctly mark await keyword as unexpected. (@danez)
babel-plugin-transform-typescript, babel-types
- #8738 Fix typescript side effects. (@yuri-karadzhov)
babel-generator, babel-types
- #9396 Fix support for Flow's QualifiedTypeIdentifier. (@existentialism)

:nail_care: Polish

babel-parser
- #9405 Simplify await and yield tracking in params. (@danez)
babel-parser, babel-preset-typescript
- #9402 Unify reserved word checking and update error messages. (@danez)

v7.3.1 (2019-01-22)

This release fixes some regressions introduced in v7.3.0

:bug: Bug Fix

babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #9379 Revert "Differentiate object spread and non-spread properties (#9341)". (@danez)
babel-parser
- #9377 fix new keyword broken by recent refactoring. (@danez)

v7.3.0 (2019-01-21)

Thanks to @jamesgeorge007 and @armano2 for their first PR!

:eyeglasses: Spec Compliance

babel-parser
- #9314 Disallow async functions as loop body. (@nicolo-ribaudo)
- #9315 Parse class heritage as strict mode code. (@nicolo-ribaudo)
- #9313 Disallow new import(x) and import(x,). (@nicolo-ribaudo)
- #9311 Disallow trailing comma after rest. (@nicolo-ribaudo)

:rocket: New Feature

babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods
- #9101 Private Class Methods Stage 3: Private Accessors. (@tim-mc)
babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
- #9179 Transform for the smart pipeline operator proposal. (@thiagoarrais)
babel-preset-env-standalone, babel-preset-env
- #9345 Add support for transform-named-capturing-groups-regex in preset-env. (@existentialism)
babel-helpers, babel-plugin-transform-named-capturing-groups-regex
- #7105 Add @babel/plugin-transform-named-capturing-groups-regex. (@nicolo-ribaudo)
babel-preset-env
- #9323 Add support for proposal-json-strings in preset-env. (@existentialism)
babel-generator, babel-types
- #9309 Add emit and builder for TSImportType. (@hzoo)
babel-parser
- #9302 @babel/parser(ts): Add parsing of type import. (@armano2)

:bug: Bug Fix

babel-parser
- #9336 Disallow usage of invalid keyword after export abstract statement in Typescript. (@armano2)
- #9328 Fix handling newline with TypeScript declare and abstract classes. (@existentialism)
- #9335 Fix range on TypeScript index signature parameters. (@existentialism)
- #9292 Throw error if TypeScript class has empty implements. (@existentialism)
- #9284 Fix location for typescript type assertions in AST. (@danez)
- #9276 Ensure modifiers are included in TSParameterProperty ranges. (@existentialism)
- #9230 babel-parser: typescript: add missing bigint keyword. (@armano2)
babel-types
- #9333 Copy "optional" property when cloning Identifier node. (@unconfident)
babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators
- #9244 [decorators] Set method names at compile time instead of at runtime. (@nicolo-ribaudo)
babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx
- #9119 Revert "Revert babel-helper-builder-react-jsx change from #4988". (@danez)
babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods
- #9248 [private methods] Define private methods before executing initializers. (@nicolo-ribaudo)
babel-preset-env
- #9219 Fix handling scoped packages in preset-env include/exclude options. (@existentialism)

:nail_care: Polish

babel-parser
- #9348 Parser Performance Collection. (@danez)

:memo: Documentation

#9370 add v7 downloads [skip ci]. (@hzoo)

:house: Internal

babel-parser
- #9312 Merge declaration and init of props in parser's state. (@nicolo-ribaudo)
babel-types
- #9245 [@babel/types] Moved generators related to babel-types into the babel-types package directory.. (@cameron-martin)
Other
- #9288 Test262 update. (@existentialism)
- #9290 Use 2014-present in license. (@xtuc)
- #9271 Bump license years for 2019. (@berlamhenderson)
babel-helpers
- #9166 Add mixins support to the _decorate helper. (@nicolo-ribaudo)

v7.2.5 (2018-12-21)

@babel/polyfill didn't get published correctly in v7.2.3 (#9227).

v7.2.4 (2018-12-20)

Minify @babel/standalone and @babel/preset-env-standalone.

v7.2.3 (2018-12-20)

This is a small release, mainly to test Lerna 3. We force-published @babel/polyfill and @babel/preset-env, since they should have been released respectively in v7.1.0 and v7.2.2 but for different reasons they didn't get updated.

Half of the commits in this release are made by first time contributors! Thanks to @cameron-martin, @cphamlet, @tanhauhau and @jedwards1211. :tada:

:rocket: New Feature

#9110 Added type-level mapping between aliases and nodes that have that alias. (@cameron-martin)

:bug: Bug Fix

babel-plugin-transform-flow-strip-types
- #9197 Strips flow directive fully. (@tanhauhau)
babel-parser
- #9184 Allow keywords to be used in type annotations. (@danez)

:house: Internal

babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-private-methods, babel-traverse
- #9206 Use @babel/eslint-plugin-developement. (@nicolo-ribaudo)

v7.2.2 (2018-12-15)

Mostly bug fixes and internal changes. Thanks to @paleite, @saschanaz and @joeldenning for their first PRs!

:bug: Bug Fix

babel-plugin-transform-destructuring, babel-plugin-transform-spread
- #9108 Correctly transform spreads to use proper concat method. (@danez)
babel-parser
- #9168 [parser] Handle flow comments with leading spaces. (@vikr01)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #9171 Fix transforming empty export statement. (@danez)
babel-node
- #9148 Fix --root-mode option in babel-node. (@nicolo-ribaudo)
babel-plugin-transform-classes
- #9135 Inherit properties in function from method in loose mode. (@rubennorte)
babel-preset-env
- #9140 Disable parameter-destructuring in Edge 18. (@saschanaz)
babel-plugin-transform-arrow-functions, babel-traverse
- #9060 Not depending on return value of super(). Closes #9020.. (@joeldenning)

:house: Internal

babel-helper-create-class-features-plugin, babel-plugin-proposal-nullish-coalescing-operator, babel-plugin-syntax-bigint, babel-plugin-transform-dotall-regex
- #9176 Fix package.json repository URLs. (@paleite)
Other
- #9158 add triage label to new issues [skip ci]. (@danez)
- #9143 Fix a typo from the issue template for bugs. (@saschanaz)
- #9133 Move to travis vm based builds. (@danez)
- #9132 Ensure we always use repository versions of babel dependencies in tests. (@danez)
- #9131 Update issue templates [skip ci]. (@hzoo)
babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators
- #9059 Move decorators transform to @babel/helper-create-class-features-plugin. (@nicolo-ribaudo)
babel-core, babel-parser, babel-template
- #9128 Fix running flow on travis and update flow. (@danez)

v7.2.1 (2018-12-04)

This release fixes a regression introduced in v7.2.0 (https://github.com/babel/babel/issues/9120)

:bug: Bug Fix

babel-helper-create-class-features-plugin
- #9121 Don't use isClassPrivateMethod because it isn't supported in <7.2.0. (@nicolo-ribaudo)

v7.2.0 (2018-12-03)

You can read more about this release at https://babeljs.io/blog/2018/12/03/7.2.0.

:rocket: New Feature

babel-parser
- #8289 Implement Smart Pipeline proposal in @babel/parser. (@mAAdhaTTah)
babel-core
- #8986 Export @babel/parser#tokTypes in @babel/core. (@kaicataldo)
babel-node
- #9078 Pass rootMode from @babel/node.. (@wtgtybhertgeghgtwtg)
babel-generator, babel-helpers, babel-plugin-class-features, babel-plugin-proposal-private-methods, babel-plugin-syntax-class-properties, babel-types
- #8654 Private class methods stage 3. (@tim-mc)
babel-preset-env
- #9048 Update mappings for node 10 in preset-env. (@existentialism)

:bug: Bug Fix

babel-parser
- #9114 Parse non-octals with leading zeros in non strict mode correctly. (@danez)
- #9074 Disallow await inside arrow functions. (@nicolo-ribaudo)
- #9069 [flow] Allow type casts in array patterns inside arrow parameters. (@nicolo-ribaudo)
- #9058 Fix compatibility between typescript and jsx plugins in interface declarations. (@danez)
- #9055 Fix bug with parsing TS generic async arrow function. (@existentialism)
- #9035 Fix parsing typescript function types with destructuring. (@danez)
babel-helper-fixtures, babel-parser
- #9113 Ignore empty fixture directories and fix fixtures in the parser. (@danez)
babel-preset-env
- #9091 Update mapping for regex unicode plugin in preset-env. (@existentialism)
babel-plugin-transform-destructuring
- #8916 Fix destructuring assignment in arrow functions without block. (@RubenVerborgh)
babel-plugin-proposal-optional-chaining
- #9073 Microbouji patch/8136. (@jridgewell)
babel-core, babel-helper-wrap-function, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-function-sent, babel-plugin-transform-async-to-generator, babel-plugin-transform-classes
- #9039 Fix recursive async function expressions. (@nicolo-ribaudo)
babel-core
- #9034 Normalize presets before merging config with others.. (@loganfsmyth)

:nail_care: Polish

babel-generator
- #9089 Remove unused variable. (@Gcaufy)
babel-node
- #9079 Move fs-readdir-recursive and output-file-sync to devDependencies for @babel/node.. (@wtgtybhertgeghgtwtg)
babel-parser
- #9046 a better error message for disallowed trailing commas/additional parameters after rest elements in function params. (@morozRed)
babel-*
- #8769 Add plugins name. (@nicolo-ribaudo)

:house: Internal

babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-proposal-private-methods
- #9083 Make @babel/plugin-class-features a normal helper package. (@nicolo-ribaudo)
Other
- #9096 Add node 11 to CI and remove node 9. (@danez)
- #9094 Skip minifying standalone in non-publish runs. (@danez)
babel-types
- #9093 Fix warning when using prettier in code generators. (@danez)
babel-generator
- #9089 Remove unused variable. (@Gcaufy)

v7.1.6 (2018-11-13)

:bug: Bug Fix

babel-generator
- #9003 Fix retainLines regression for arrow functions. (@loganfsmyth)
babel-types
- #8997 Fix cloneNode with typeAnnotation.. (@neoziro)
babel-plugin-transform-flow-strip-types, babel-plugin-transform-react-jsx
- #8701 Fix "TypeError: comments is not iterable". (@AlicanC)
babel-core
- #9004 Fix browser files to have the same API as the nodejs ones. (@danez)
Other
- #9007 [Types] fix generated TS/Flow comment types. (@ljqx)
babel-preset-env
- #8555 preset-env: fix opera from esmodules target and Browserslist not used. (@ylemkimon)
babel-plugin-proposal-decorators, babel-traverse
- #8970 [decorators] Correctly insert _initialize(this) after super().. (@nicolo-ribaudo)
babel-parser
- #8972 Fix several edge cases with context expression state. (@danez)

:nail_care: Polish

babel-parser
- #8984 Rename primitive types to reserved types. (@danez)

:house: Internal

#8982 fix publish command [skip ci]. (@hzoo)
#8988 Remove definition of micromatch which was removed.. (@danez)

v7.1.5 (2018-11-06)

:eyeglasses: Spec Compliance

babel-parser, babylon
- #7727 Fix await in function name and parameters. (@nicolo-ribaudo)

:rocket: New Feature

babel-parser
- #8828 Typescript: Validate tuple type element positions. (@Retsam)
- #8883 [flow] Add support for parsing _ as implicit instantiation in call/new. (@jbrown215)
babel-core, babel-generator, babel-parser, babel-plugin-syntax-typescript, babel-traverse
- #8448 Remove Babylon plugins for features already merged to the ECMAScript spec. (@nicolo-ribaudo)
babel-parser, babel-types
- #8884 [flow] Explicit inexact objects with .... (@jbrown215)
babel-preset-env
- #8898 Update preset-env data. (@existentialism)

:bug: Bug Fix

babel-parser
- #8956 Do not allow TypeCastExpressions w/o parens . (@danez)
- #8954 Allow function types in type params within arrow return types. (@danez)
- #8866 Closes #8865. (@byronluk)
babel-core
- #8910 Resolve babel.config.js 'babelrcRoots' values relative to the config file.. (@loganfsmyth)
- #8950 Fix message when plugin of a wrong type is passed. (@everdimension)
babel-plugin-transform-block-scoping
- #8937 rename colliding let bindings with for loop init. (@byronluk)
- #8914 Treat break inside block inside loop. (@thiagoarrais)
babel-preset-env
- #8926 preset-env: Edge support for arrow param destructuring. (@benmosher)
babel-generator
- #8868 fix single-arg async arrows when retainLines=true. (@ryanwmarsh)
babel-traverse
- #8880 fix: Expression x === 'y' && '' should not evaluate to undefined.. (@Cyp)

:nail_care: Polish

#8873 fixed an extra word. (@vvyomjjain)

v7.1.4 (2018-10-11)

Just re-published @babel/traverse without ** so that it works in Node 6.

v7.1.3 (2018-10-11)

:bug: Bug Fix

babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
- #8720 Typescript - Tuple elements can be optional. (@Retsam)
babel-traverse
- #8833 Insertafter jsx fix. (@kevintab95)
babel-parser
- #8830 Correct handling of newline after async with paren-less arrow func. (@Retsam)
- #8756 class private methods and properties: should not allow spaces between # and identifier. (@macabeus)
- #8804 Fix parsing of slash after class expression. (@existentialism)
- #8767 [decorators] [typescript] Parse type parameters. (@nicolo-ribaudo)
- #8792 Fix perf issue in typescript parser plugin. (@matthewrobertson)
babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
- #8805 Typescript - Tuples can include rest elements. (@Retsam)
babel-types
- #8791 types: allow jsxEmptyExpression inside jsxExpressionContainer. (@tvooo)
babel-plugin-transform-modules-systemjs
- #8820 System module format - fixes function hoisting failure case. (@guybedford)
babel-plugin-transform-destructuring
- #8793 Ensure destructuring's computed key handling matches object-rest-spread. (@existentialism)

7.1.2 (2018-09-28)

Same as v7.1.1, except compiled against Node 6 instead of Node 8 by accident (e.g had async functions).

v7.1.1 (2018-09-28)

EDIT: had a publish issue here as well where it compiled against Node 8 instead of Node 6 so 7.1.2 will fix this. Also force publish @babel/runtime and @babel/runtime-corejs2. We need to fix the publishing around that since Lerna doesn't pickup the @babel/helpers changes as there is no "dependency"

:bug: Bug Fix

babel-generator, babel-parser, babel-types
- #8755 TypeScript: reserve unknown as TSUnknownKeyword. (@g-plane)
babel-plugin-transform-destructuring
- #8535 Do not unpack array patterns that update a referenced binding. (@nicolo-ribaudo)
babel-plugin-proposal-decorators
- #8742 [decorators] Support async and generator methods. (@nicolo-ribaudo)
babel-helpers, babel-plugin-proposal-decorators
- #8761 [decorators] Fields are enumerable. (@nicolo-ribaudo)
babel-generator
- #8751 Fix some missing parens cases with OptionalMemberExpression in generator. (@existentialism)
- #8727 Handle throw expressions in generator. (@existentialism)

:house: Internal

Other
- #8780 Run test262 tests for exportNamespaceFrom. (@existentialism)
babel-helper-transform-fixture-test-runner
- #8768 Use babel-check-duplicated-nodes. (@nicolo-ribaudo)

v7.1.0 (2018-09-17)

Check http://babeljs.io/blog/2018/09/17/7.1.0

:rocket: New Feature

babel-cli, babel-core
- #8660 Better support monorepos by allowing users to opt into automatically resolving 'root' with rootMode: "upward".. (@loganfsmyth)
babel-helper-transform-fixture-test-runner
- #7582 Allow regular plugins/presets resolution algorithm for packages outsi…. (@Andarist)
babel-helpers, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators
- #7976 Add support for the new decorators proposal. (@nicolo-ribaudo)
babel-helpers, babel-plugin-proposal-class-properties
- #8205 Private Static Fields Features: Stage 3. (@rricard)

:bug: Bug Fix

babel-parser
- #8698 Fix parsing of newline between 'async' and 'function'. (@existentialism)
- #8677 Fix typescript parsing typed object shorthand methods. (@existentialism)
babel-plugin-transform-typescript
- #8682 Fix TSParameterProperty getting lost with transform-classes. (@existentialism)
- #8695 Adjust TSParameterProperty handling to work with transform-parameters. (@existentialism)
- #8666 Fix typescript import elision. (@Retsam)
babel-preset-env
- #8693 Fix es6.string.iterator mapping in babel-preset-env. (@existentialism)
babel-core, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-runtime
- #8659 Fix version checks in .availableHelper and transform-runtime definitions.. (@loganfsmyth)
Other
- #8627 ts generator: allow reserved keywords in interfaces. (@43081j)
babel-plugin-transform-parameters
- #8414 Allow patterns as argument of RestElement. (@microbouji)
babel-core, babel-plugin-transform-runtime
- #8624 Verify 'sourceMap' option with hasOwnProperty, and verify string-typed 'version'. (@loganfsmyth)
babel-helpers, babel-plugin-proposal-class-properties
- #8614 [static private] Unify loose handling of static and instance props. (@nicolo-ribaudo)

:nail_care: Polish

babel-plugin-transform-runtime
- #8581 Fix grammar in error message at @babel/plugin-transform-runtime. (@tricknotes)
babel-parser
- #8576 More helpful errorr message for missing decoratorsBeforeExport in parser. (@nicolo-ribaudo)

:memo: Documentation

#8561 Added pronounciation of babel. (@siddhant1)

:house: Internal

babel-core
- #8714 Fix Flow error with new versionRange test.. (@loganfsmyth)
Other
- #8679 remove force publish, temp tag [skip ci]. (@hzoo)
babel-plugin-transform-runtime
- #8661 Makefile: run fix json on fix. (@xtuc)
babel-*
- #8658 Format fixture options.json with Prettier.. (@loganfsmyth)
babel-parser
- #8630 Bump flow to 0.80 and fix sourceType error. (@existentialism)
- #8610 types: missing unambiguous sourceType. (@xtuc)
- #8170 @babel/parser: expose a TypeScript definition file from package. (@AviVahl)
babel-*
- #8573 add access public to all packages [skip ci]. (@hzoo)

v7.0.1 (2018-09-11)

Doing a quick patch regarding helpers versioning to prevent future issues: https://github.com/babel/babel/pull/8659

v7.0.0 (2018-08-27)

No change from rc.4. Finally released as https://babeljs.io/blog/2018/08/27/7.0.0!

v7.0.0-rc.4 (2018-08-27)

Similar to removing proposals in @babel/polyfill, we are removing them in transform-runtime

:boom: Breaking Change

babel-plugin-transform-runtime
- #8547 Remove nonstandard functions and fake prototype methods from babel-runtime. (@loganfsmyth)
babel-parser
- #8539 Update parser whitespace for clarity. (@jridgewell)

:bug: Bug Fix

babel-register
- #8553 bump source-map-support. (@hzoo)
babel-core
- #8546 Default highlightCode:true for the parser highlighting.. (@loganfsmyth)

:house: Internal

Other
- #8554 Lerna: remove exact [skip ci]. (@hzoo)
babel-parser
- #8540 Cleanup getLineInfo. (@jridgewell)
- #8541 Update to ES6 String methods. (@jridgewell)
- #8537 Flatten TokenType class hierarchy. (@jridgewell)
- #8539 Update parser whitespace for clarity. (@jridgewell)

v7.0.0-rc.3 (2018-08-24)

:boom: Breaking Change

babel-preset-env
- #8509 Add browserslist 4 support.. (@yavorsky)
babel-plugin-transform-runtime
- #8518 Make 'useESModules' only toggle CJS vs ESM helpers when importing file is ESM.. (@loganfsmyth)

:rocket: New Feature

babel-plugin-transform-runtime
- #8520 Expose opt-in useESModules:"auto" from transform-runtime to toggle based on 'supportsStaticESM'. (@loganfsmyth)

:bug: Bug Fix

babel-helpers, babel-plugin-transform-classes, babel-preset-env
- #8501 [_wrapNativeSuper] Don't wrap non-native constructors. (@nicolo-ribaudo)
babel-generator, babel-traverse, babel-types
- #8478 Fix path.scope.rename() to not change break clauses. (@rafeca)
babel-plugin-proposal-object-rest-spread
- #8514 fix: object rest with default values bug. (@jquense)
babel-traverse
- #8505 Rename exported functions where name conflicts with param.. (@loganfsmyth)

:house: Internal

babel-plugin-transform-object-set-prototype-of-to-assign
- #8409 Add LICENSE file to published npm packages [skip ci]. (@opichals)
Other
- #8504 Update Babel to rc.2. (@hzoo)

v7.0.0-rc.2 (2018-08-21)

A notable change is the addition of https://github.com/babel/babel/pull/8485 which enables https://github.com/babel/babel-loader/pull/660 (automatically doing modules: false for @babel/preset-env when using babel-loader.

:boom: Breaking Change

babel-core
- #8470 Remove File#resolveModuleSource. (@nicolo-ribaudo)
- #8473 Allow babel-plugin/preset prefix to not be a prefix, when used in a scope.. (@loganfsmyth)
babel-core, babel-parser, babel-plugin-syntax-decorators
- #8465 Require decoratorsBeforeExport option for decorators. (@nicolo-ribaudo)

:rocket: New Feature

babel-preset-env
- #8500 Add missing es7.promise.finally polyfill when using useBuiltIns: usage. (@jsnajdr)
babel-cli, babel-core, babel-node, babel-preset-env, babel-register
- #8485 Allow preset-env to toggle module handling based on flags from the caller (like babel-loader). (@loganfsmyth)
babel-core
- #8474 Preserve 'false'-options for disabled plugins/presets.. (@loganfsmyth)
- #8473 Allow babel-plugin/preset prefix to not be a prefix, when used in a scope.. (@loganfsmyth)
babel-helper-transform-fixture-test-runner, babel-plugin-transform-runtime
- #8435 Allow transform-runtime to insert runtime references with absolute paths.. (@loganfsmyth)

:bug: Bug Fix

babel-parser
- #8488 Fix trailingComments for FunctionExpression that is CallExpression arguments. (@jiaxuan)
babel-core
- #8493 Take top-level config source into consideration when processing nested env/overrides.. (@loganfsmyth)
babel-helpers, babel-plugin-proposal-decorators
- #7429 Fix default descriptor setting for class properties with decorators. (@yhpark)
babel-plugin-transform-parameters
- #8479 Fixes setter paratemer default value. (@nikolayemrikh)

:nail_care: Polish

babel-core
- #8494 Cache individual programmatic descriptors along with the overall list.. (@loganfsmyth)
- #8493 Take top-level config source into consideration when processing nested env/overrides.. (@loganfsmyth)

:house: Internal

babel-core
- #8493 Take top-level config source into consideration when processing nested env/overrides.. (@loganfsmyth)
babel-plugin-transform-classes
- #8472 Remove unused file. (@nicolo-ribaudo)

v7.0.0-rc.1 (2018-08-09)

Same as rc.0 but fixes the peerDep issue #8443. It's changed to just be ^7.0.0-0

v7.0.0-rc.0 (2018-08-09)

This had an issue with peerDependencies so please use rc.1.

Alright finally at the end 🙂. Shouldn't have anymore breaking changes and going to wait some time to fix bugs/regressions

Summary: @babel/polyfill will not include proposal polyfills by default and fixed a regression.

:boom: Breaking Change

babel-polyfill
- #8440 remove proposals polyfills from default import [skip ci]. (@hzoo)

Will add this to the upgrade guide/polyfill docs. I guess we could include a babel-upgrade for this too, not sure.

:bug: Bug Fix

babel-cli
- #8436 Require v1.1.0 so that correct filter params are passed.. (@loganfsmyth)

v7.0.0-beta.56 (2018-08-03)

Separate @babel/runtime: should work for helpers alone and opt-into core-js if necessary.
More details in http://babeljs.io/docs/en/next/babel-runtime, http://babeljs.io/docs/en/next/babel-plugin-transform-runtime (via https://github.com/babel/babel/pull/8266, https://github.com/babel/website/pull/1714)
babel-upgrade issue: https://github.com/babel/babel-upgrade/issues/70

:boom: Breaking Change

babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime
- #8266 Split @babel/runtime into 2 modules via @babel/runtime-corejs2. (@loganfsmyth)
babel-core, babel-helper-module-imports, babel-helpers, babel-plugin-external-helpers, babel-plugin-transform-runtime
- #8398 Only reference helpers from external/runtime helpers if they are known to be available.. (@loganfsmyth)

:rocket: New Feature

babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime
- #8266 Split @babel/runtime into 2 modules via @babel/runtime-corejs2. (@loganfsmyth)

:bug: Bug Fix

babel-parser, babel-plugin-transform-typescript
- #8408 Allow TSInterfaceDeclaration to be default export. (@existentialism)
babel-preset-env
- #8403 Ensure esmodule targets are parsed by browserslist. (@existentialism)
Other
- #8024 Run transform-runtime on the standalone bundle so it stays ES5-compatible.. (@loganfsmyth)

:memo: Documentation

#8412 Update Documentation[skip ci]. (@leongjiameng)

v7.0.0-beta.55 (2018-07-28)

Breaking Change in beta:

Throws an error on using Stage presets: https://babeljs.io/blog/2018/07/27/removing-babels-stage-presets

:boom: Breaking Change

babel-core, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2, babel-preset-stage-3, babel-standalone
- #8293 Remove Stage presets. (@hzoo)

:rocket: New Feature

babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
- #7754 TypeScript: Support type arguments on tagged templates. (@andy-ms)

:bug: Bug Fix

babel-cli, babel-core, babel-generator
- #8380 Ensure that Identifier source mappings explicitly start and stop on the generated range. (@loganfsmyth)
babel-preset-env
- #8391 Ensure preset-env doesn't clobber browserslist defaults. (@existentialism)
babel-core
- #8376 Fix order of optional argument reordering. (@Qix-)
- #8381 Allow an Array for babelrcRoots.. (@wtgtybhertgeghgtwtg)
- #8342 Do not mutate ast. (@thiagoarrais)
babel-parser
- #8374 Correctly parse interface methods named 'static'. (@bakkot)

:nail_care: Polish

babel-parser
- #8355 remove .then from dynamic import parser exception message. (@dnalborczyk)

:house: Internal

babel-core, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2, babel-preset-stage-3, babel-standalone
- #8397 Remove our own use of stage presets. (@hzoo)
babel-helpers, babel-plugin-proposal-class-properties
- #8318 Save full descriptor instead of only value for private fields.. (@nicolo-ribaudo)
babel-core
- #8381 Allow an Array for babelrcRoots.. (@wtgtybhertgeghgtwtg)
babel-cli, babel-core, babel-generator, babel-helper-define-map, babel-helper-fixtures, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-regex, babel-helper-simple-access, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-transform-block-scoping, babel-register, babel-template, babel-traverse, babel-types
- #8377 Bumped lodash to 4.17.10. (@Berkmann18)

v7.0.0-beta.54 (2018-07-16)

Regarding https://github.com/babel/babel/issues/8184, we aren't using micromatch for paths, just basic */** substitution now. For anything more complicated we will recommend using a regex/.js config. Fixed a bug in the stage presets (https://github.com/babel/babel/issues/8307), so we just removed the requirements for setting options in the meantime for ease of use. We are removing the Stage presets next release. https://github.com/babel/babel/pull/8293

:boom: Breaking Change

babel-core, babel-register, babel-traverse
- #8327 Treat string ignore/only/test/include/exclude values as paths with only basic pattern matching. (@loganfsmyth)

:bug: Bug Fix

babel-core, babel-register, babel-traverse
- #8327 Treat string ignore/only/test/include/exclude values as paths with only basic pattern matching. (@loganfsmyth)
babel-preset-stage-0, babel-preset-stage-1
- #8317 Fix stage-0/1 import of pipeline proposals array. (@mAAdhaTTah)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #8316 Ensure that the wildcard interop is used with re-export + default.. (@loganfsmyth)
babel-core
- #8315 Remove option-filtering options from the final options results.. (@loganfsmyth)

:memo: Documentation

#8320 Add link to audio version of song. (@rugk)

v7.0.0-beta.53 (2018-07-11)

Fix for regression with paths on windows due to micromatch upgrade, remove yearly presets (not published)
(There was an issue with the Stage presets in this release, but it is also deprecated)

:boom: Breaking Change

babel-*
- #8274 Remove yearly presets from repo. (@hzoo)

:rocket: New Feature

babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
- #7799 TypeScript: Support type arguments on JSX opening and self-closing tags. (@andy-ms)
babel-parser
- #8291 Support pipeline proposal flag in @babel/parser. (@mAAdhaTTah)
babel-plugin-proposal-object-rest-spread
- #8264 Remove unused bindings when excluding keys with rest in loose mode. (@Andarist)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring, babel-preset-env
- #8261 Introduce objectWithoutPropertiesLoose helper. (@Andarist)

:bug: Bug Fix

babel-core
- #8281 Revert micromatch upgrade (regression) [skip ci]. (@hzoo)
babel-types
- #8165 [babel-types] Fix isNodesEquivalent() behavior for TemplateElements. (@timkendrick)

:nail_care: Polish

babel-plugin-syntax-pipeline-operator, babel-preset-stage-0, babel-preset-stage-1
- #8279 Improve error messages around pipeline option. (@mAAdhaTTah)

:memo: Documentation

#8286 Move v4-v6 changelog to another file and all prerelease 7.0 logs [ski…. (@hzoo)

:house: Internal

babel-preset-env
- #8299 Make env preset build-data scripts reproducible. (@rtsao)
babel-plugin-proposal-object-rest-spread
- #8287 Fixed fixture tests after merge. (@Andarist)
Other
- #8187 Invoke Jest main file directly. (@ishitatsuyuki)

v7.0.0-beta.52 (2018-07-06)

Deprecating the yearly/stage presets in v7 (will remove next beta). Ran npm deprecate on @babel/preset-es2015, @babel/preset-es2016, @babel/preset-es2017, @babel/preset-stage-0, @babel/preset-stage-1, @babel/preset-stage-2, @babel/preset-stage-3 only for versions >v7.0.0-beta.52. This means this will only break your build if you are using ^ in Babel v7 beta (which we have recommended against each release). (It is unfortunate that the default behavior of npm is to use ^ when using npm install though; haven't made an RFC for it yet).

Also various bugfixes, change to force the pipeline plugin to have an option.

The pipeline plugin must be configured with the minimal option. This is so people explicitly know the implementation that is being used, and someone will be able to implement and test out the other proposal options. After all, this proposal is in Stage 1 still and the semantics are being figured out: this is a great opportunity to specify via the config what people are using.

{
  "plugins": [["@babel/plugin-proposal-pipeline-operator", { "proposal": "minimal" }]]
}

:boom: Breaking Change

babel-core
- #8198 Prefer explicit object maps, and properly load relative maps.. (@loganfsmyth)
babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator, babel-preset-stage-0, babel-preset-stage-1
- #8196 Require proposal flag for pipeline plugin. (@mAAdhaTTah)

:bug: Bug Fix

babel-types
- #8273 Add visitor key for Flow typeArguments in call expressions. (@rubennorte)
babel-core
- #8198 Prefer explicit object maps, and properly load relative maps.. (@loganfsmyth)
- #8197 Allow @foo/babel-plugin as an unexpanded plugin name, and @foo as a shorthand for it.. (@loganfsmyth)
babel-plugin-transform-typescript
- #8238 Typescript: Avoid stripping class properties when a decorator is set. (@pmdartus)

:nail_care: Polish

babel-cli, babel-preset-env
- #8250 remove emojis from cli output. (@johnbuffington)

:house: Internal

babel-core, babel-helpers, babel-plugin-transform-async-to-generator, babel-plugin-transform-react-constant-elements, babel-preset-env
- #8267 Optimize async to generator. (@jridgewell)
babel-core, babel-parser
- #8259 upgrades eslint v5 (major), babel-eslint, eslint-plugin-flowtype, eslint-plugin-prettier. (@dnalborczyk)
babel-plugin-transform-modules-commonjs, babel-plugin-transform-runtime
- #8265 Rename some test fixtures so they run properly.. (@loganfsmyth)
babel-helper-fixtures, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
- #8208 Ensure that we don't get unexpected output files for tests that throw.. (@loganfsmyth)
babel-helper-transform-fixture-test-runner
- #8220 Remove regenerator hacks in checkDuplicatedNodes. (@Andarist)
Other
- #8158 Compile against beta 51. (@existentialism)
babel-parser
- #8176 babel/parser: use charCodes throughout for improved sourcecode readability in tokenizer/parser.. (@GerHobbelt)
- #8177 babel/parser: remove dead code: constant condition. (@GerHobbelt)

v7.0.0-beta.51 (2018-06-12)

Fixed a peerDep issue

v7.0.0-beta.50 (2018-06-12)

Mostly bug fixes and some decorator updates

:eyeglasses: Spec Compliance

babel-plugin-proposal-unicode-property-regex
- #8127 Update plugin-proposal-unicode-property-regex for Unicode v11. (@mathiasbynens)
babel-parser
- #8125 Update identifier parsing per Unicode v11. (@mathiasbynens)
babel-core, babel-generator, babel-parser, babel-plugin-proposal-decorators, babel-types
- #8037 Remove parser support for decorators optional parentheses. (@nicolo-ribaudo)

:boom: Breaking Change

babel-generator, babel-parser, babel-plugin-syntax-decorators
- #8113 Change decoratorsBeforeExport default to false. (@nicolo-ribaudo)
babel-core, babel-generator, babel-parser, babel-plugin-proposal-decorators, babel-types
- #8037 Remove parser support for decorators optional parentheses. (@nicolo-ribaudo)
babel-core, babel-plugin-syntax-decorators
- #7938 Update syntax-decorators options. (@nicolo-ribaudo)
babel-helper-builder-react-jsx, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx
- #8045 Do not quote JSX attribute keys for IdentifierName. (@arv)

:rocket: New Feature

babel-generator
- #8143 add jsesc options support. (@vincentdchan)
babel-preset-env
- #8031 Validate @babel/preset-env options. (@sun1x)
babel-core, babel-plugin-syntax-decorators
- #7938 Update syntax-decorators options. (@nicolo-ribaudo)
babel-generator, babel-plugin-proposal-decorators
- #7948 Add "decoratorsBeforeExport" option to @babel/generator. (@nicolo-ribaudo)
babel-generator, babel-parser, babel-types, babylon
- #7978 Support Flow's proto modifier syntax for declared classes. (@samwgoldman)

:bug: Bug Fix

babel-helper-hoist-variables, babel-plugin-transform-modules-systemjs
- #8104 System module format hoisting and export refinements. (@guybedford)
babel-plugin-proposal-class-properties, babel-traverse
- #8051 Don't split an exported class when renaming an inner binding. (@nicolo-ribaudo)
- #8122 isConstantExpression should return true for immuable bindings. (@nicolo-ribaudo)
babel-plugin-transform-typescript
- #7996 Adds JSXFragment to plugin-transform-typescript check for the presence of jsx. (@malbernaz)
babel-plugin-proposal-class-properties, babel-plugin-transform-typescript
- #8007 Fix 'Missing class properties transform' error when parsing class properties with Typescript syntax. (@pterolex)
babel-parser
- #8030 Allow ts modifier names to be used as function argument names. (@existentialism)
babel-preset-env
- #8132 Fix Safari TP and regular versions comparison. (@yuri-karadzhov)
- #8138 Ensure regex-dot-all runs before unicode-regex in preset-env. (@existentialism)
babel-helpers, babel-plugin-transform-classes
- #8100 Fix ReferenceError in the wrapNativeSuper helper. (@chocolateboy)
babel-types
- #8060 make isReferenced() recognise ObjectTypeProperty. (@peter-leonov)
babel-cli
- #8082 Avoid a race condition in CLI directory creation.. (@loganfsmyth)
babel-helper-builder-react-jsx, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx
- #8045 Do not quote JSX attribute keys for IdentifierName. (@arv)

:nail_care: Polish

babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements
- #8123 [class-properties] Remove unnecessary return and temp variable. (@nicolo-ribaudo)
babel-parser
- #8074 nit: fix folder name. (@dnalborczyk)

:memo: Documentation

babel-*
- #8108 Refactor move docs. (@xtuc)

:house: Internal

Other
- #8142 Don't regenerate babel-types docs in the readme. (@nicolo-ribaudo)
- #8139 Bump test262-stream and update test262 tests. (@existentialism)
babel-generator, babel-node, babel-standalone, babel-template
- #8144 Add Labels to READMEs Generator & Update README's w. Links To Open Issues (for some pkg's). (@BeniCheni)
babel-node
- #7908 Test on node 10. (@nicolo-ribaudo)

v7.0.0-beta.49 (2018-05-25)

Mostly bugfix release for a regression in decorators, and a quick fix for some new babel-node options in the last release that just didn't work right. Also one small addition to the API for official promise-returning versions of our async transform/parsing functions.

:rocket: New Feature

babel-core
- #8023 Add a promise-returning *Async version of the transform and parse fns. (@loganfsmyth)

:bug: Bug Fix

babel-node
- #8046 Handle kebab-case args in babel-node.. (@loganfsmyth)
babel-plugin-proposal-decorators
- #8047 Transform decorated classes from the export visitor. (@nicolo-ribaudo)
babel-cli, babel-core, babel-plugin-transform-react-jsx-source, babel-preset-env, babel-preset-react
- #8044 Expose all filenames as absolute paths, rather than relative.. (@loganfsmyth)

:house: Internal

#8036 Compile against beta 48. (@hzoo)

v7.0.0-beta.48 (2018-05-24)

Renamed babylon to @babel/parser for clarity (I will still commonly refer to it as babylon though!)
Add Private Fields implementations (now Stage 3) class A { #a = 1 }
Add small Stage 3 (now Stage 4) Subsume JSON change https://github.com/babel/proposals/issues/43
Fix IE10 class regression
Various fixes, many TS fixes

:eyeglasses: Spec Compliance

babel-parser, babel-plugin-proposal-json-strings, babel-plugin-syntax-json-strings, babel-preset-stage-3
- #7985 Subsume json. (@jridgewell)

:boom: Breaking Change

babel-core, babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-plugin-syntax-flow, babel-plugin-syntax-jsx, babel-plugin-syntax-typescript, babel-plugin-transform-typescript, babel-preset-react, babel-preset-typescript, babel-standalone
- #7955 Verify that files are .ts/.tsx before treating as Typescript files.. (@loganfsmyth)
babel-cli, babel-core, babel-plugin-transform-react-jsx-source, babel-preset-react
- #7956 Make the filename option, as exposed to the plugins, consistently relative to the working directory. (@loganfsmyth)
babel-traverse, babel-types
- #7900 Re-add support for local Flow bindings (TypeAlias, OpaqueTypeAlias and Interface). (@rubennorte)

:rocket: New Feature

babel-node
- #8010 Add more of babel-cli's options to babel-node too for consistency.. (@loganfsmyth)
babel-cli, babel-node
- #5621 Add no-babelrc option in babel-node. (@xtuc)
babel-core, babel-generator, babel-parser, babel-types, babylon
- #7928 Create InterpreterDirective AST node type and use to replace babel/core File's 'shebang' handling. (@loganfsmyth)
babel-parser, babel-plugin-proposal-json-strings, babel-plugin-syntax-json-strings, babel-preset-stage-3
- #7985 Subsume json. (@jridgewell)
babel-generator, babel-plugin-syntax-flow, babel-plugin-transform-flow-strip-types, babel-types, babylon
- #7934 Add support for explicit type arguments in new and call expressions. (@samwgoldman)
babel-generator, babel-types, babylon
- #7959 Allow internal slot properties to be optional. (@samwgoldman)
- #7947 Internal slot properties. (@samwgoldman)
babylon
- #7869 Add an option to Babylon to have decorators before export. (@nicolo-ribaudo)

:bug: Bug Fix

babel-parser
- #7994 [Babylon] Take the first set of options for plugins. (@nicolo-ribaudo)
- #7968 Set exprAllowed to false when parsing TSNonNullExpression. (@existentialism)
babel-core, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-function-name, babel-plugin-transform-object-super, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-preset-env
- #7969 Fix class inheritance in IE10. (@jridgewell)
babel-types
- #8005 Handle Infinity, -Infinity, NaN, and -0 in t.valueToNode().. (@loganfsmyth)
- #7982 Build InterfaceTypeAnnotation generated type code. (@jridgewell)
babel-generator, babel-plugin-syntax-bigint, babel-types
- #8006 Bigint Support (no transform). (@hzoo)
babel-core, babel-generator, babel-parser, babel-types, babylon
- #7928 Create InterpreterDirective AST node type and use to replace babel/core File's 'shebang' handling. (@loganfsmyth)
babel-cli, babel-core, babel-plugin-transform-react-jsx-source, babel-preset-react
- #7956 Make the filename option, as exposed to the plugins, consistently relative to the working directory. (@loganfsmyth)
babel-preset-typescript
- #7990 passes the jsxPragma options from preset-typescript to plugin-transform-typescript. (@malbernaz)
babel-types, babylon
- #7967 TypeScript: Fix TSInferType .typeParameter type.. (@benjamn)
babel-helpers, babel-plugin-transform-classes, babel-preset-env
- #7533 Fix bugs in the _wrapNativeSuper helper. (@nicolo-ribaudo)
babel-register
- #7930 Ensure that calling register() fully resets the extension state.. (@loganfsmyth)

:nail_care: Polish

babel-parser
- #7986 Better error message for invalid decorators syntax. (@nicolo-ribaudo)

:memo: Documentation

babel-preset-env
- #8020 Fix include/exclude syntax in preset-env README. (@taion)
babel-parser
- #8009 update AST spec - interpreter. (@xtuc)

:house: Internal

babel-parser
- #7999 [babylon] Refactor mixin plugins handling & validation. (@nicolo-ribaudo)
- #8002 Fix some flow issues in @babel/parser flow plugin. (@existentialism)
babel-plugin-proposal-decorators
- #7975 Add "legacy" prefix to legacy decorators tests. (@nicolo-ribaudo)
babel-cli, babel-core
- #7929 Refactor babel-cli to use async functions for async handling, and centralize option loading. (@loganfsmyth)
babel-helper-transform-fixture-test-runner
- #7931 Test running bug fixing for Node 10. (@loganfsmyth)

v7.0.0-beta.47 (2018-05-14)

Compile Babel itself to target Node 6 syntax given we dropped Node 4 support to run (this is unrelated to the output code)
Allow babelrc and babelrcRoots in config files
Various bug fixes

:boom: Breaking Change

babel-generator, babel-plugin-syntax-decorators, babylon
- #7821 Rename decorators&decorators2 plugins to decorators-legacy&decorators.. (@nicolo-ribaudo)
Other
- #7782 Target Node 6 in production. (@hzoo)

:rocket: New Feature

babel-core
- #7911 Allow 'babelrc' and 'babelrcRoots' in config files (but not .babelrc/extends). (@loganfsmyth)

:bug: Bug Fix

babel-plugin-transform-typescript
- #7878 Fix handling of different JSX pragmas in Typescript. (@calebeby)
- #7833 fix(transform-typescript): do not elide injected imports. (@jeysal)
babel-core
- #7911 Allow 'babelrc' and 'babelrcRoots' in config files (but not .babelrc/extends). (@loganfsmyth)
babel-cli
- #7875 Fix watch bug with output-dir paths.. (@loganfsmyth)
babel-preset-env
- #7809 Clean up and add some additional polyfill mappings in preset-env. (@existentialism)
- #7884 Fix bug with handling minor versions when parsing compat-data. (@existentialism)
- #7810 Improve useBuiltIns: usage mappins in preset-env. (@existentialism)
babel-plugin-transform-typescript, babylon
- #7888 TypeScript: Allow non-null and type assertions as lvalues. (Closes #7638). (@mmantel)
babel-preset-stage-3
- #7819 fix(preset-stage-3): pass along loose flag to proposal-object-rest-spread. (@yyx990803)
babel-cli, babel-core, babel-helper-fixtures, babel-helper-transform-fixture-test-runner
- #7761 Reimplement input sourcemap merging using range matching instead of closest-position matching. (@loganfsmyth)

:nail_care: Polish

babel-plugin-transform-modules-commonjs, babel-plugin-transform-template-literals
- #7855 Lazy load tagged template literal strings. (@dczombera)
babylon
- #7898 Fix a typo in a babylon flow plugin comment. (@taveras)
babel-plugin-proposal-class-properties
- #7813 Class Props: Don't rename constructor collisions with static props. (@jridgewell)
babel-cli, babel-code-frame, babel-core, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-plugin-utils, babel-preset-env, babel-register, babel-template, babel-types, babylon
- #7777 Use Object Spread Syntax. (@jridgewell)

:memo: Documentation

babel-node
- #7897 Fix typo [skip-ci]. (@rockymeza)
babel-plugin-transform-destructuring, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-reserved-words, babel-plugin-transform-spread
- #7844 Improve README's for several plugins. [skip ci]. (@mmantel)
babel-preset-env
- #7835 Change babel-preset-env docs according Browserslist best practices. (@ai)
- #7807 Update shippedProposals in preset-env docs [skip ci]. (@existentialism)
- #7790 update targets [skip ci]. (@hzoo)
babel-plugin-transform-instanceof
- #7827 Expand README for plugin-transform-instanceof [skip ci]. (@mmantel)

:house: Internal

Other
- #7925 Update test262 and flow tests. (@nicolo-ribaudo)
- #7916 Use the correct Babylon plugins for Test262 tests. (@nicolo-ribaudo)
- #7906 Update @babel/plugin-codemod-object-assign-to-object-spread version. (@nicolo-ribaudo)
- #7851 remove since we have other issue templates [skip ci]. (@hzoo)
- #7839 add lock bot for closed issues [skip ci]. (@hzoo)
- #7811 Upgrade to gulp@4. (@existentialism)
- #7794 add loose to object spread. (@hzoo)
- #7792 Fix indent in .travis.yml. (@shirohana)
babel-core, babylon
- #7904 Fix typescript decorator test. (@existentialism)
babel-plugin-transform-classes
- #7893 fix typo in a comment. (@aaronabramov)
babel-core, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-nullish-coalescing-operator, babel-plugin-syntax-logical-assignment-operators, babel-plugin-syntax-nullish-coalescing-operator
- #7825 Unify main property in package.json [ci skip]. (@shirohana)
babel-core, babel-helper-module-imports, babel-helper-transform-fixture-test-runner, babel-plugin-transform-modules-commonjs, babel-preset-es2015
- #7784 Upgrade Babel to self-host with beta.46. (@loganfsmyth)
babel-plugin-proposal-class-properties
- #7814 Don't fold class property calls. (@jridgewell)

v7.0.0-beta.46 (2018-04-23)

Fix regression by landing #7783

v7.0.0-beta.45 (2018-04-23)

Drop Node 4 Support (ends 4/30).
Make Stage 2 decorators "default" (implementation is still WIP), and require people use the decoratorsLegacy option for easier migration.
Change @babel/polyfill to not throw an error but a warning if it is imported multiple times. Also introduce another entry point without the warning
Change how Babel handles config files regarding a lot of cases, especially for compiling node_modules. Introduce babel.config.js
- If you are using a monorepo an a single .babelrc, you will need to change to babel.config.js like Babel itself is doing (https://github.com/babel/babel/pull/7784)
Add ES2018 to @babel/preset-env: like object rest/spread, etc.
Lots of spec and bug fixes! Shoutout to Justin (@jridgewell) and Josh (@CodingItWrong) for all the PR work for private properties!

:boom: Breaking Change

babel-cli, babel-core, babel-preset-env, babel-register
- #7358 Allow more flexible file-based configuration while preventing .babelrcs from breaking things. (@loganfsmyth)
babylon
- #7755 drop support for Node.js v4. (@boneskull)
babel-core, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators, babel-plugin-transform-function-name, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2
- #7734 Decorators legacy option. (@nicolo-ribaudo)

:rocket: New Feature

babel-polyfill
- #6371 Add noConflict entry mode to @babel/polyfill. (@evan-scott-zocdoc)
babel-cli, babel-core, babel-preset-env, babel-register
- #7358 Allow more flexible file-based configuration while preventing .babelrcs from breaking things. (@loganfsmyth)
babel-generator, babel-types, babylon
- #7741 Add support for flow implements. (@existentialism)
babel-preset-env
- #7658 Add initial support for ES2018 in preset-env. (@existentialism)
babel-core, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-function-bind, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-jscript, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-standalone
- #7411 Add "use strict" directive. (@MarkusToe)
babel-helper-transform-fixture-test-runner
- #7679 Add option to overwrite failing output fixtures. (@jridgewell)
babel-generator, babel-helper-define-map, babel-plugin-syntax-class-properties, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-traverse, babel-types
- #7666 Private Properties phase 1. (@jridgewell)

:eyeglasses: Spec Compliance

babel-helper-simple-access, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs
- #7766 Correct update expression Number coercion. (@jridgewell)
babel-core, babel-generator, babel-plugin-proposal-decorators, babel-types, babylon
- #7719 Update decorators parsing. (@nicolo-ribaudo)
babel-plugin-transform-classes
- #7732 Fix default class super inheritance. (@jridgewell)
babel-plugin-transform-template-literals
- #7722 Remove tagged template literal global caching. (@jridgewell)
babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super
- #7691 Fix super nested class bugs. (@jridgewell)
babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-preset-env
- #7687 Get set helpers. (@jridgewell)

:bug: Bug Fix

babel-helper-simple-access, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs
- #7766 Correct update expression Number coercion. (@jridgewell)
babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-object-super
- #7774 Update super property get/set/call in loose mode. (@jridgewell)
babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-transform-classes
- #7776 Memoize computed super properties. (@jridgewell)
babel-core, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-preset-env
- #7772 Move subclass inheritance to end. (@jridgewell)
babel-generator
- #7769 [bebal-generator] fix: don't write ': ' token when name is null. (@Quramy)
babylon
- #7752 Fix type error. (@andy-ms)
babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super
- #7691 Fix super nested class bugs. (@jridgewell)
babel-types
- #7706 Fix literal type annotation argument number. (@hendrikniemann)
babel-helper-function-name, babel-plugin-transform-function-name
- #7435 Fix function name computation for literal values. (@Axnyff)
babel-plugin-proposal-class-properties
- #7659 Fix super in class fields.. (@nicolo-ribaudo)
babel-plugin-proposal-optional-chaining, babel-types
- #7668 OptionalMemberExpression properties are not referenced. (@jridgewell)

:nail_care: Polish

babel-helpers
- #7745 Improve asyncIterator error. (@jquense)
babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-traverse
- #7737 Classes cleanup. (@jridgewell)
babel-plugin-proposal-class-properties, babel-plugin-transform-parameters
- #6656 Optimize class properties output. (@Andarist)
babylon
- #7717 Provide better error message for invalid default export declaration. (@dczombera)
babel-helper-replace-supers, babel-plugin-transform-classes
- #7714 Use new isInStrictMode. (@jridgewell)
babel-plugin-transform-object-super
- #7681 Cleanup object super traversal. (@jridgewell)

:memo: Documentation

babel-plugin-proposal-decorators, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2
- #7762 Fix small typo with decorators legacy option [skip ci]. (@existentialism)
Other
- #7713 Add slack links to CONTRIBUTING.md. (@nicolo-ribaudo)
- #7676 update sponsors, move up [skip ci]. (@hzoo)

:house: Internal

babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters
- #7750 Move more class state out of replaceSupers. (@jridgewell)
babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super
- #7763 Implement MemberExpressionToFunctions helper. (@jridgewell)
babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-traverse
- #7737 Classes cleanup. (@jridgewell)
babel-helper-transform-fixture-test-runner
- #7729 Drop Chai from packages. (@jridgewell)
babel-helper-transform-fixture-test-runner, babel-plugin-proposal-class-properties, babel-plugin-proposal-optional-catch-binding, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-jscript, babel-plugin-transform-object-super
- #7720 Migrate more packages' tests to use jest expect assertions. (@devenbansod)
babel-cli, babel-core, babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-logical-assignment-operators, babel-preset-es2015
- #7549 Migrate babel-cli and babel-generator tests to use jest-expect. (@devenbansod)
babel-plugin-transform-classes, babel-traverse
- #7712 Add Path#isInStrictMode. (@jridgewell)
Other
- #7708 ESLint: Ignore lerna.json and .git. (@jridgewell)
- #7704 Use yarn provided by circle. (@existentialism)
babel-traverse, babel-types
- #7685 Make babel-types type checking functions 36% faster. (@devongovett)

v7.0.0-beta.44 (2018-04-02)

Publish regression: was compiled against Node 8 instead of Node 4 due to an ENV mixup

v7.0.0-beta.43 (2018-04-02)

Various fixes, also lazy-load @babel/core dependencies (should make config lookup and other API methods fast for other projects to use).

:eyeglasses: Spec Compliance

babel-plugin-proposal-logical-assignment-operators
- #7604 Logical Assignment: ensure computed key isn't recomputed. (@jridgewell)

:rocket: New Feature

babel-node
- #7471 added support Node's --require and -r flags in babel-node. (@yakotika)
babel-generator, babylon
- #7383 TypeScript: support mapped type modifiers syntax. (@andy-ms)
babel-template
- #7583 Allow placeholders in JSXElements when parsing templates. (@Andarist)
babel-preset-env
- #7242 Add regexp support to include/exclude. (@aminmarashi)

:bug: Bug Fix

babel-types
- #7639 Allow StringLiteral and NumericLiteral as ObjectTypeProperty.key. (@unconfident)
babylon
- #7617 Prevent duplicate regex flags. (@existentialism)
babel-preset-env
- #7586 Tweak es2015-related plugin order in preset-env. (@existentialism)

:nail_care: Polish

#7615 clean makefile a bit. (@xtuc)

:house: Internal

babel-*
- #7579 Migrate a few packages' tests to use Jest Expect (see below). (@devenbansod)
babel-node, babel-register
- #7588 Have @babel/core lazy-load all dependencies and make @babel/register not explode because of that. (@loganfsmyth)
Other
- #7609 Update to beta.42. (@existentialism)
- #7599 Centralize Babel's own compilation config to make it easier to follow.. (@loganfsmyth)
babel-plugin-transform-classes, babel-preset-env
- #7605 Disable flow on transformClass, fix preset-env errors. (@thymikee)
babel-cli, babel-core, babel-helpers, babel-node, babel-plugin-transform-for-of, babel-preset-env, babylon
- #7602 Remove obsolete max-len eslint rule and reformat some stuff to fit. (@danez)
babel-plugin-transform-classes
- #7444 Refactor inheritance in babel-plugin-transform-classes. (@thymikee)

v7.0.0-beta.42 (2018-03-15)

:boom: Breaking Change

babel-helper-module-transforms, babel-plugin-transform-classes, babel-plugin-transform-modules-commonjs
- #7545 Make imports in .mjs files use node-like behavior where 'exports' is '.default' only. . (@loganfsmyth)

:rocket: New Feature

babel-helper-module-transforms, babel-plugin-transform-classes, babel-plugin-transform-modules-commonjs
- #7545 Make imports in .mjs files use node-like behavior where 'exports' is '.default' only. . (@loganfsmyth)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring
- #7390 Favour extends helper over objectWithoutProperties when whole object …. (@Andarist)

:bug: Bug Fix

babel-preset-env
- #7562 Use helper-module-import inside preset-env. (@existentialism)
babel-core, babel-helper-plugin-utils
- #7580 Ensure that the backward-compat logic for plugin-utils copies over the version API properly.. (@loganfsmyth)
babel-plugin-proposal-async-generator-functions
- #7575 Fix "Module build failed: Error: Cannot find module '@babel/types'". (@mgroenhoff)
babel-helpers, babel-plugin-transform-classes, babel-preset-env
- #7570 Fix incorrect value of _cache in _wrapNativeSuper. (@simonkberg)

:nail_care: Polish

babel-helpers, babel-plugin-transform-classes, babel-preset-env
- #7188 Wrap wrapNativeSuper helpers in redefining functions for better tree-…. (@Andarist)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring
- #7390 Favour extends helper over objectWithoutProperties when whole object …. (@Andarist)

:memo: Documentation

babylon
- #7571 Remove outdated spec deviation note. (@benwiley4000)

:house: Internal

babel-generator, babel-plugin-transform-typescript
- #7578 Rename actual/expected test files to input/output. (@CodingItWrong)
Other
- #7568 update to beta.41. (@hzoo)

v7.0.0-beta.41 (2018-03-14)

:boom: Breaking Change

babel-cli, babel-core, babel-generator, babel-helper-transform-fixture-test-runner
- #7500 Remove the sourceMapTarget option from core and implement it in babel-cli.. (@loganfsmyth)

We'll need to update tooling for this ^. Also published `gulp-babel@8.0.0-beta.2`

babel-helpers, babel-plugin-transform-modules-commonjs, babel-traverse
- #7491 Explicitly throw if the array rest/spread items are not iterable.. (@loganfsmyth)
babylon
- #7498 Disallow setters to have RestElement. (@danez)
babel-helper-remap-async-to-generator, babel-plugin-proposal-async-generator-functions, babel-plugin-transform-async-to-generator, babel-preset-env
- #7446 Always transform for-await in async functions[rebase of #6953].. (@Gvozd)
babel-core, babel-helper-module-imports, babel-helper-transform-fixture-test-runner, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-preset-env-standalone, babel-preset-env, babel-standalone
- #7417 Rely entirely on sourceType for module vs script differentiation.. (@loganfsmyth)
babel-core, babel-helpers, babel-plugin-transform-modules-commonjs
- #7436 Default to ast:false and do less work when loading core. (@loganfsmyth)
babel-register
- #7416 Replace instead of merging babel-register options, and resolve cwd up front. (@loganfsmyth)

:eyeglasses: Spec Compliance

babylon
- #7503 Update test262 test script and a few keyword escape fixes. (@existentialism)
- #7498 Disallow setters to have RestElement. (@danez)
- #7392 Spec Violation: Fix var initializer in for-in loop. (@ksashikumar)

:rocket: New Feature

babel-core
- #7472 Expose the partial Babel config for callers to load and mutate.. (@loganfsmyth)
babel-*
- #7450 Allow plugins to assert that a specific babel version has loaded the plugin.. (@loganfsmyth)
babel-cli, babel-preset-env
- #7439 feat(babel-cli): add a brief summary to build output. (@thymikee)
babel-generator, babel-plugin-transform-typescript, babel-types, babylon
- #7159 typescript: Support definite assignment assertion. (@andy-ms)
babel-generator, babel-types, babylon
- #7404 TypeScript: Support conditional types syntax. (@andy-ms)
babel-core, babel-plugin-proposal-logical-assignment-operators, babel-plugin-syntax-logical-assignment-operators, babel-preset-stage-0, babylon
- #7385 Proposal: Logical Assignment Operators. (@jridgewell)

:bug: Bug Fix

babel-core
- #7561 Fix import of type ConfigItem. (@danez)
babel-preset-env
- #7548 preset-env - add Symbol.asyncIterator to shippedProposals builtIns. (@yaelhe)
- #7421 Add Number.parseFloat/parseInt mappins for preset-env 'usage'. (@existentialism)
- #7438 Ensure babel-preset-env targets input object is not mutated. (@guybedford)
- #7400 Add missing promise polyfill deps for preset-env's useBuiltIns: usage. (@existentialism)
babylon
- #7538 Make 'sourceType:unambiguous' use 'module' when import.meta is used.. (@loganfsmyth)
- #7392 Spec Violation: Fix var initializer in for-in loop. (@ksashikumar)
- #7473 Remove broken check in checkFunctionNameAndParams. (@ksashikumar)
babel-plugin-transform-destructuring
- #7333 Assign another temp var when parsing assignment patterns in destructuring. (@existentialism)
babel-helpers, babel-plugin-transform-modules-commonjs, babel-traverse
- #7491 Explicitly throw if the array rest/spread items are not iterable.. (@loganfsmyth)
babel-node
- #7511 Restore passing SIGINT signals to spawned child processes. (@existentialism)
babel-helper-remap-async-to-generator, babel-plugin-proposal-async-generator-functions, babel-plugin-transform-async-to-generator, babel-preset-env
- #7446 Always transform for-await in async functions[rebase of #6953].. (@Gvozd)
babel-cli
- #7461 Require users to pass a filename, or specify --no-babelrc when using CLI with stdin.. (@loganfsmyth)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #7418 Avoid re-traversing inserted references to the namespace binding.. (@loganfsmyth)
- #7378 Preserve import binding locations during module rewriting. (@loganfsmyth)
babel-plugin-proposal-object-rest-spread
- #7364 Don't extract rest elements from nested expressions. (@nicolo-ribaudo)
- #7388 Fix over-zealous traversal by object-rest-spread. (@jamesreggio)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #7034 Fix object spread according to spec. (@nuragic)

:nail_care: Polish

babel-generator
- #7550 Replace lodash/map with array equivalent. (@danez)
babylon
- #7538 Make 'sourceType:unambiguous' use 'module' when import.meta is used.. (@loganfsmyth)
babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-parameters
- #7493 Reuse the assertThisInitialized helper in possibleConstructorReturn. (@nicolo-ribaudo)
babel-core, babel-plugin-transform-modules-commonjs, babylon
- #7490 Give helpful errors if the wrong sourceType is detected. (@loganfsmyth)
babel-core
- #7238 Better error message for invalid plugin/preset. (@SpainTrain)
babel-plugin-transform-async-to-generator, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx, babel-traverse
- #7372 Mark hoisted react constant elements as #PURE. (@Andarist)
babel-helpers, babel-plugin-transform-modules-commonjs, babel-plugin-transform-template-literals
- #7379 Solves Tagged template literal size optimization. (@debugpai2)

:memo: Documentation

README.md
- #7496 Docs: Use namespace packages in all links. (@danez)
babel-plugin-transform-typescript
- #7469 TS transform plugin README updatex2. (@orta)
- #7443 Update README for Babel TypeScript Plugin. (@orta)
babel-generator
- #7380 Link generator readme to Babylon AST spec [skip ci]. (@modernserf)

:house: Internal

Other
- #7560 Run node 9 on circleci and remove from travis. (@danez)
- #7556 Re-add TEST_ONLY and use Jest's -t for TEST_GREP.. (@loganfsmyth)
- #7530 Run build-no-bundle in the watcher to get the right files.. (@loganfsmyth)
- #7510 Use jest workers on travis-ci and circleCI. (@danez)
- #7499 Wmertens add prettier config. (@danez)
- #7191 Add eslint plugin to disallow t.clone and t.cloneDeep. (@nicolo-ribaudo)
- #7454 Dependency cleanup. (@danez)
- #7451 Update to circleci v2. (@danez)
- #7453 Install peerDependencies and remove unused async dependency. (@danez)
babel-preset-env
- #7543 update preset-env after build-data. (@yaelhe)
- #7401 Bump compat-table and regen preset-env data. (@existentialism)
babel-core, babel-helper-transform-fixture-test-runner
- #7513 Migrate babel-core tests to use jest-expect. (@devenbansod)
babel-helper-transform-fixture-test-runner
- #7520 Show a more useful diff when comparing fixture files.. (@loganfsmyth)
babel-register
- #7494 Fix reseting modules in jest and config. (@danez)
- #7487 Enable and fix babel-register tests. (@danez)
babel-*
- #7484 Require tests to use input.mjs for modules, and output.js/.mjs based on active transforms. (@loganfsmyth)
babel-code-frame
- #7485 Migrate babel-code-frame tests to use expect. (@devenbansod)
babel-cli, babel-code-frame, babel-core, babel-helper-transform-fixture-test-runner, babel-preset-env-standalone, babel-preset-env, babel-register, babel-standalone, babel-traverse, babel-types
- #7455 Use jest. (@danez)
babel-types, babylon
- #7431 Upgrade flow to 0.66 and fix a few minor errors.. (@loganfsmyth)
babel-template, babel-types, babylon
- #7227 Fix up flow errors. (@existentialism)
babel-helper-module-transforms, babel-helper-split-export-declaration, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-traverse
- #7313 Added babel-helper-split-export-declaration. (@Andarist)

v7.0.0-beta.40 (2018-02-12)

:rocket: New Feature

babel-preset-env
- #7315 Add core-js as valid polyfill source. (@danez)
babel-highlight *#7351 Extract @babel/highlight package from @babel/code-frame (@suchipi)

:bug: Bug Fix

babel-cli
- #7366 Fix CLI compilation callback calling. (@VojtechStep)
babel-code-frame
- #7341 Allow falsey, yet valid options for codeFrameColumns(). (@hulkish)
babel-generator, babel-plugin-proposal-optional-chaining, babel-types, babylon
- #7288 [BugFix] : OptionalChaining Bug fixes. (@nveenjain)
babel-core, babel-template, babel-traverse
- #7314 Add location information to parsing errors. (@kaicataldo)
babel-plugin-proposal-pipeline-operator
- #7319 Do not optimize away async/gen arrow functions. (@jridgewell)
babel-traverse
- #7312 Preserve identifier location information when mapping this and arguments.. (@loganfsmyth)
babylon
- #7297 [Typescript] - Fix SyntaxError in async arrow functions with rest params. (@ksashikumar)

:memo: Documentation

babel-plugin-proposal-unicode-property-regex
- #7311 Remove outdated sentence from README. (@mathiasbynens)

:house: Internal

babel-preset-env
- #7344 Fix failing test. (@nicolo-ribaudo)
Other
- #7302 Update babel to beta.39. (@hzoo)
babylon
- #7240 Compile Babylon with the normal workflow and use "overrides" in our c…. (@nicolo-ribaudo)

v7.0.0-beta.39 (2018-01-30)

:eyeglasses: Spec Compliance

babel-plugin-proposal-optional-chaining
- #6345 Remove old optional chain features. (@jridgewell)

:rocket: New Feature

babel-polyfill, babel-preset-env, babel-register, babel-runtime
- #6526 Add some es5 features to babel-preset-env. (@existentialism)
babel-core
- #7291 babel-core: Add parse method. (@kaicataldo)
babel-preset-env, babel-preset-es2015
- #7283 Support cjs shorthand for modules option in preset-es2015 & preset-env. (@Andarist)
babel-register
- #7273 make babel injectable in babel-register. (@Janpot)
babel-preset-env
- #7212 Add preset-env target esmodules. (@kristoferbaxter)
babel-generator, babylon
- #7239 TypeScript: Support parsing 'unique' type operator. (@andy-ms)
babel-code-frame
- #7243 Add opts.message option to code frames. (@thejameskyle)

:bug: Bug Fix

babel-register
- #7298 Revert "make babel injectable in babel-register". (@hzoo)
babel-plugin-proposal-decorators, babylon
- #7189 Bug-fix: export default decorated class parsed as class expression. (@nveenjain)
babel-plugin-transform-typescript
- #7160 typescript: Fix enum emit when values are strings. (@andy-ms)
babel-helper-annotate-as-pure
- #7245 Tweak and add tests to babel-helper-annotate-as-pure. (@existentialism)

:nail_care: Polish

babel-template
- #7255 update substitution placeholder message in babel-template. (@thescientist13)

:memo: Documentation

babel-preset-env
- #7271 babel-preset-env: Fixed links in readme and improved "Built-ins" example. (@apepper)

:house: Internal

babel-*
- #7149 Disallow duplicated nodes (only in tests output). (@nicolo-ribaudo)
babel-helper-transform-fixture-test-runner
- #7149 Disallow duplicated nodes (only in tests output). (@nicolo-ribaudo)
babel-plugin-check-constants, babel-plugin-transform-block-scoping, babel-preset-env, babel-preset-es2015, babel-standalone
- #6987 Remove check-constants plugin. (@maurobringolf)
babylon
- #7246 Make comment props more consistent. (@existentialism)
babel-plugin-transform-eval, babel-standalone
- #7262 Removed transform eval plugin. (@rajzshkr)
Other
- #7231 Update to beta.38. (@hzoo)

v7.0.0-beta.38 (2018-01-17)

:bug: Bug Fix

babylon
- #7225 typescript: Properly set this.state.inType one token before parsing a type. (@andy-ms)
- #7179 Issue #6691 - Fix: unicode characters not allowed in regexes. (@perinikhil)
- #7098 Support 'assert and assign' TypeScript syntax. (@maaz93)
babel-traverse
- #7219 Fix dependencies in @babel/traverse. (@Andarist)
babel-plugin-transform-async-to-generator, babel-traverse
- #7213 Fixed _containerInsertAfter setting path key as stringified index. (@Andarist)
babel-code-frame
- #7216 bugfix: set color level when color is forced. (@Timer)
babel-generator, babel-plugin-transform-flow-strip-types, babylon
- #7058 Add support for @@iterator. (@rajzshkr)
babel-plugin-transform-block-scoping
- #6782 Minor improvements to block-scoping/tdz. (@maurobringolf)
babel-plugin-transform-react-inline-elements
- #7166 Bail out on JSX fragments instead of throwing. (@mdebbar)
babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx
- #7173 Preserve namespaced attributes when throwIfNamespace is false. (@mtpc)

:nail_care: Polish

babel-helpers, babel-plugin-transform-react-constant-elements
- #7170 babel-helpers: prevent object shape change in jsx. (@jorrit)
babylon
- #7184 Cleaning up some TS parsing tests. (@maaz93)
*
- #7181 Rename actual/expected to input/output in fixtures.. (@nicolo-ribaudo)

:memo: Documentation

babel-helper-plugin-test-runner
- #7185 Doc changes for https://github.com/babel/babel/issues/7063. (@rajzshkr)
babylon
- #7182 Fix syntax plugins in babylon readme [skip ci]. (@hzoo)

:house: Internal

babel-types
- #7220 Remove old comment. (@nicolo-ribaudo)
- #7164 Fixes React isCompatTag validator accepting leading dash character. (@claudiopro)
babel-traverse
- #7218 Added custom NodePath.prototype.toString method as debug utility. (@Andarist)
babel-cli
- #6826 Use the async version of transform in babel-cli. (@aprieels)
*
- #7187 Remove old expected.{js,json} files. (@nicolo-ribaudo)
babel-preset-env
- #7183 Remove excess check for hidden files.. (@yavorsky)
Other
- #7180 Regen lib/types. (@existentialism)
- #7104 update to v7-beta.37. (@hzoo)
babel-generator
- #7174 Remove "quotes" internal flag from babel-generator. (@nicolo-ribaudo)

v7.0.0-beta.37 (2018-01-08)

Fixes + overrides config feature

:rocket: New Feature

babel-core
- #7091 Allow configs to have an 'overrides' array. (@loganfsmyth)
babylon
- #7007 Flow comment parsing. (@rajzshkr)
babel-generator, babel-types
- #7107 Add validators for Flow AST node fields. (@bcherny)
babel-standalone
- #7119 Add syntax-typescript and transform-typescript to babel-standalone. (@alangpierce)

:bug: Bug Fix

babel-core
- #7161 Process .babelignore before .babelrc. (@loganfsmyth)
babel-standalone
- #7094 [@babel/standalone] Remove additional function context. (@stevefan1999)
babel-generator
- #7155 Preserve jsx comment . (@rajzshkr)
- #7131 Fix turning division operator into line comment in compact mode. (@karottenreibe)
babel-plugin-proposal-class-properties
- #7147 Fix computed properties being inserted after the class, thus making t…. (@Andarist)
babylon
- #7121 Regex parsing issue fix after function declaration.. (@rajzshkr)
babel-plugin-transform-computed-properties, babel-traverse
- #7116 Fix a regression introduced in #7040. (@nicolo-ribaudo)
babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
- #7043 Avoid adding #PURE annotation to .bind(this)() expressions. (@Kovensky)

:nail_care: Polish

babel-plugin-proposal-decorators
- #7124 [decorators] Only transform declarations to expressions when needed. (@nicolo-ribaudo)
babylon
- #7152 Suggest JSX fragment syntax in adjacent tag error. (@sophiebits)

:memo: Documentation

Other
- #7141 Update license year. (@danielbayerlein)
babel-register
- #7140 Update README.md. (@eladchen)

:house: Internal

babylon
- #7144 Remove redundant property declarations. (@andy-ms)
babel-preset-env
- #7130 Remove hasBeenLogged flag from preset-env. (@h1b9b)
babel-generator, babel-plugin-proposal-class-properties, babel-plugin-transform-flow-strip-types, babel-plugin-transform-react-jsx, babel-plugin-transform-template-literals, babel-plugin-transform-typescript, babel-preset-env, babel-preset-flow
- #7120 Regenerate fixtures. (@Kovensky)

v7.0.0-beta.36 (2017-12-25)

First release to allow support for class A extends Array
Add babel-plugin-transform-dotall-regex
Add lazy option to modules-commonjs
Various fixes + decorator regression fix

:rocket: New Feature

babel-helpers, babel-plugin-transform-classes, babel-preset-es2015
- #7020 Add support for extending builtins. (@nicolo-ribaudo)
babel-preset-env, babel-standalone
- #7065 Add dot-all regex support to preset-env and standalone. (@existentialism)
babel-plugin-transform-dotall-regex
- #7059 Import babel-plugin-transform-dotall-regex. (@mathiasbynens)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #6952 Add a 'lazy' options to modules-commonjs. (@loganfsmyth)
babel-plugin-syntax-import-meta, babel-preset-stage-3, babel-standalone
- #7008 expose import.meta syntax parser option as plugin. (@dnalborczyk)

:bug: Bug Fix

babel-generator
- #7095 Fix generation flow unnamed computed property. (@TrySound)
babel-generator, babel-plugin-transform-typescript, babylon
- #7075 Support parsing export default abstract class {}. (@andy-ms)
babel-generator, babel-plugin-transform-flow-strip-types, babylon
- #7061 Treat import type * as a parser error. (@existentialism)
babel-types
- #6960 babel-types lists JSXIdentifier as an Expression. (@tolmasky)
babel-plugin-proposal-decorators
- #7032 [decorators] Don't transform every AssignmentExpression. (@nicolo-ribaudo)

:nail_care: Polish

babel-plugin-transform-typescript
- #7079 Better error messages when Babel fails to parse import = and export =…. (@gs-akhan)
babel-core
- #6961 Handling babylon parsing errors in a better way. (@maaz93)

:memo: Documentation

babel-plugin-proposal-unicode-property-regex
- #7064 Fix installation instructions. (@mathiasbynens)

:house: Internal

babel-preset-env
- #6576 Remove extraneous console output when running preset-env tests. (@xjlim)
- #7084 [preset-env] Move all defaults to the separate module. (@yavorsky)
babel-core
- #7090 Refactor config processing more. (@loganfsmyth)
babel-helper-wrap-function, babel-plugin-proposal-class-properties, babel-plugin-transform-typescript, babel-traverse
- #7040 Make .insert{Before,After} work by default when the parent is an eport declaration. (@nicolo-ribaudo)
babel-plugin-transform-block-scoping
- #7028 Fix O(n^2) getLetReferences – 40% faster on large flat files. (@sophiebits)

v7.0.0-beta.35 (2017-12-14)

Various bug fixes, first version of Babel to use the MIT version of regenerator

:eyeglasses: Spec Compliance

babylon
- #6986 Fix destructuring assignment spec violation. (@ksashikumar)
babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters
- #6467 this before super() is a runtime error, not a static one.. (@nicolo-ribaudo)

:rocket: New Feature

babel-generator, babylon
- #7005 Add method property to ObjectTypeProperty. (@existentialism)
Other
- #6994 Add Babel's song: Hallelujah (thanks to Angus). (@hzoo)
babylon
- #6958 Update babylon to use unicode 10. (@danez)

:bug: Bug Fix

babel-core, babel-helper-remap-async-to-generator, babel-helper-wrap-function, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-function-sent, babel-plugin-transform-async-to-generator, babel-preset-env
- #6984 Wrap FunctionDeclarations with FunctionDeclarations, instead of using _blockHoist.. (@nicolo-ribaudo)
babel-types
- #6939 Fix type definitions to fully support Typescript. (@dpoindexter)
babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
- #6999 Async to generator fixes. (@Kovensky)
babel-generator
- #6998 Fix code generation for async generator methods. (@Kovensky)
babylon
- #6986 Fix destructuring assignment spec violation. (@ksashikumar)
- #6969 For babylon typescript parser, fix false positive for ! after a line break. (@andy-ms)
babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters
- #6467 this before super() is a runtime error, not a static one.. (@nicolo-ribaudo)

:nail_care: Polish

babel-helpers, babel-plugin-proposal-decorators
- #7017 Fixes 6965. (@perinikhil)
babel-types
- #7001 Improve error message in types assert. (@existentialism)
babylon
- #6962 Better error message for import.meta and import() without plugin. (@nicolo-ribaudo)

:house: Internal

babel-core, babel-helper-fixtures, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-preset-env, babel-template, babel-traverse, babel-types, babylon
- #6991 Bump prettier. (@existentialism)
babel-plugin-transform-regenerator, babel-polyfill, babel-runtime
- #6992 Update to the latest version of regenerator that uses the MIT license. (@hzoo)
babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-jsx, babel-traverse, babel-types
- #6967 Generate better builder names for JSX* and TS*. (@nicolo-ribaudo)
babylon
- #6982 publish babylon as next tag since it's not a scoped module yet [ski…. (@hzoo)

v7.0.0-beta.34 (2017-12-02)

Regression Fix

babel-preset-stage-1, babel-preset-stage-2
- #6949 Fix stage refs to exportNamespaceFrom and exportDefaultFrom. (@existentialism)

:eyeglasses: Spec Compliance

babel-preset-stage-0, babel-preset-stage-1
- #6943 Moving Do expression to stage 1. (@rajzshkr)

:house: Internal

babylon
- #6957 Update flow to 0.59 and fix some flow issues. (@danez)
Other
- #6948 update to beta.33. (@hzoo)
babel-types
- #6741 Refactor @babel/types to be 100% ES-module. (@danez)

v7.0.0-beta.33 (2017-12-01)

:eyeglasses: Spec Compliance

babel-generator, babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-default, babel-plugin-proposal-export-namespace-from, babel-plugin-proposal-export-namespace, babel-plugin-syntax-export-default-from, babel-plugin-syntax-export-extensions, babel-plugin-syntax-export-namespace-from, babel-standalone, babylon
- #6920 Split exportExtensions into exportDefault and exportNamespace plugins…. (@existentialism)
babylon
- #6725 Fix some reserved type handling and declare class with multiple extends. (@existentialism)

:boom: Breaking Change

babel-core
- #6905 Merge all config & programmatic plugins/preset rather than duplicating. (@loganfsmyth)
babylon
- #6836 removing expression field from ArrowFunctionExpression. (@mmckeaveney)
babel-traverse
- #6881 Remove double exports of NodePath, Scope and Hub in traverse. (@danez)
Other
- #6831 [preset-env] Exclude transform-typeof-symbol with loose option.. (@yavorsky)

:rocket: New Feature

babel-plugin-transform-for-of
- #6914 Porting babel-plugin-transform-for-of-as-array into transform-for-of as option. (@rajzshkr)
babel-core
- #6905 Merge all config & programmatic plugins/preset rather than duplicating. (@loganfsmyth)
babel-core, babel-preset-es2015
- #6904 Add a 'cwd' option, and misc refactoring and tweaks before simple config merging. (@loganfsmyth)
babel-cli, babel-core
- #6834 Expose envName as a top-level Babel option to avoid using environmental variables. (@loganfsmyth)
babel-helper-module-imports
- #6744 Allowed hintedNames for namespaced imports, changed some other defaul…. (@Andarist)
Other
- #6791 Add safari technology preview for babel-preset-env.. (@yavorsky)
- #6438 Move babel-preset-env-standalone to the monorepo.. (@yavorsky)
babel-core, babel-helper-remap-async-to-generator, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-function-sent, babel-plugin-transform-async-to-generator, babel-plugin-transform-parameters
- #6803 Add /#PURE/ annotatiotion for babel-plugin-async-to-generator. (@satya164)

:bug: Bug Fix

babel-helpers, babel-plugin-transform-modules-commonjs
- #6850 Copy getters and setters correctly in interopWildcard. (@danez)
babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
- #6863 Fix export from assignment order for loose mode.. (@yavorsky)
babel-generator
- #6922 UpdateExpressions as callees must be parenthesized. (@nicolo-ribaudo)
- #6897 Add handling parens for extends clause in generator. (@existentialism)
babel-plugin-transform-regenerator
- #6917 update regenerator (removed explicit babel-types dep). (@hzoo)
babel-traverse
- #6882 Fix setting deopt properly after evaluating multiple expressions. (@existentialism)
babylon
- #6877 Allow yielding an arrow function withour parens around the param. (@nicolo-ribaudo)
- #6802 Parse async arrows with flow type parameters. (@nicolo-ribaudo)
babel-types
- #6852 Fix validation of WithStatement and enable flow in definitions. (@danez)
babel-core
- #6842 Add missing generator argument and remove nonexistent one.. (@loganfsmyth)
Other
- #6663 Maintain plugin order with items in the include option. (@existentialism)
- #6662 Fix bug in preset-env usage plugin with destructure in for-of. (@existentialism)
babel-plugin-transform-block-scoping
- #6814 Fix shadow variables reassignment for block scoping in loops.. (@yavorsky)

:nail_care: Polish

babylon
- #6836 removing expression field from ArrowFunctionExpression. (@mmckeaveney)
- #6727 [Babylon] Use char codes contants. (@xtuc)
- #6754 Better error message for super when not using an object method. (@rajzshkr)
babel-helper-module-imports
- #6744 Allowed hintedNames for namespaced imports, changed some other defaul…. (@Andarist)
babel-cli, babel-core, babylon
- #6875 Fix "Better error messaging for unexpected tokens #6715". (@gmmorris)
babel-helpers, babel-plugin-check-constants
- #6862 Define readOnlyError helper and use in check-constants plugin. (@maurobringolf)
babel-types
- #6853 Make SpreadProperty and RestProperty a deprecatedAlias. (@danez)
babel-plugin-transform-arrow-functions, babel-plugin-transform-parameters
- #6792 Do not access out of bounds arguments. (@apapirovski)
babel-core, babel-traverse
- #6818 Add some nice warnings if plugins happen to return promises instead of sync values.. (@loganfsmyth)

:memo: Documentation

babel-plugin-transform-for-of, babylon
- #6942 add readme entry for for-of assumeArray, use it. (@hzoo)
babel-plugin-proposal-class-properties
- #6941 [plugin-proposal-class-properties] Fix small loose docs typo. (@sdgluck)
babel-register
- #6899 Fixed ignore in readme for babel-register. (@MarkShulhin)
Other
- #6868 [skip ci] Update CONTRIBUTING.md. (@yeefom)
- #6756 Documentation PR: description about building and testing babylon in CONTRIBUTING.md. (@vincentdchan)
- #6843 README: Use HTTPS and relative links when possible. (@mc10)
- #6825 docs: [skip-ci] Remove @babel scope from babel-preset-env include/exc…. (@marcioj)
babel-*
- #6820 Replaced legacy babel-* & shorthand package name usage with @babel/* in README.md's. (@hulkish)
babel-cli
- #6829 @babel/cli: removed babel-node mention in README.md [skip ci]. (@viatsko)

:house: Internal

babel-core
- #6909 Rewrite config chain tests to use public loadOptions API.. (@loganfsmyth)
Other
- #6866 Add .github and .idea to .npmignore. (@aaharu)
- #6844 Add "make watch-babylon" [skip ci]. (@nicolo-ribaudo)
- #6819 use pr instead of tag for changelog/prs [skip ci]. (@hzoo)
- #6804 Update to v7-beta.31. (@hzoo)
babylon
- #6727 [Babylon] Use char codes contants. (@xtuc)

v7.0.0-beta.32 (2017-11-12)

Regression with loose modules + export https://github.com/babel/babel/issues/6805

:boom: Breaking Change

babel-traverse
- #6528 Remove support for flow bindings (remove deprecation). (@nicolo-ribaudo)

:rocket: New Feature

babel-core, babylon
- #6789 Allow sourceType:unambiguous as a way to tell Babylon to guess the type.. (@loganfsmyth)
babel-core, babel-plugin-transform-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-react-jsx-source
- #6777 Add an official 'state.filename' and be more explicit about option passing.. (@loganfsmyth)
babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
- #6742 Add additional support for loose mode in helper-module-transforms. (@existentialism)

:bug: Bug Fix

babel-helper-function-name, babel-plugin-transform-arrow-functions, babel-plugin-transform-function-name, babel-traverse
- #6760 Fix transform-arrow-functions in { spec: true } shadowing. (@Kovensky)

:nail_care: Polish

babel-register
- #6651 Lazy-install sourceMapSupport. (@aminmarashi)
babel-plugin-transform-destructuring, babel-plugin-transform-spread
- #6763 No unneeded empty arrays in transform spread. (@apapirovski)
babylon
- #6748 Avoid copying properties from the prototype chain.. (@bmeurer)

:memo: Documentation

babel-plugin-proposal-unicode-property-regex
- #6796 Link to README on GitHub rather than the npm copy. (@mathiasbynens)
babel-core
- #6794 Update README with new Sync-suffix functions.. (@loganfsmyth)

:house: Internal

babel-generator
- #6801 Prefix XJS test directories with JSX instead. (@clemmy)
- #6749 Move typscript test copy script to scripts folder and run once. (@danez)
babel-core, babel-register
- #6783 Apply option defaults when transforming, not up front.. (@loganfsmyth)
babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-unicode-property-regex, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring
- #6776 Hoist more plugin options and default useUnicodeFlag to 'true'.. (@loganfsmyth)
babel-plugin-*
- #6778 Use the peerDep to load types/template/traverse in plugins. (@loganfsmyth)
babel-polyfill
- #6755 Remove core-js/regenerator-runtime stubs. (@existentialism)
.eslintrc, babel-helper-transform-fixture-test-runner, babylon
- #6747 Unify eslint/prettier config. (@danez)
Other
- #6738 Publish to the latest dist tag [skip ci]. (@hzoo)

v7.0.0-beta.31 (2017-11-03)

Yes, this was a jump from v7.0.0-beta.5 to v7.0.0-beta.31 We moved babylon into the main repo, and it was already at beta.30.

:rocket: New Feature

babel-preset-react, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2, babel-preset-stage-3, babylon
- #6733 add loose/useBuiltIns option to stage presets, use it. (@hzoo)
babel-generator, babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx, babel-types
- #6552 Add JSX Fragment syntax support. (@clemmy)

:bug: Bug Fix

babel-preset-env
- #6478 Fix global reference for use-built-ins plugin. (@yavorsky)
babel-plugin-transform-spread
- #6657 Avoid node duplication to fix spread bug with import.. (@loganfsmyth)

:house: Internal

babel-cli, babel-core, babel-helper-transform-fixture-test-runner
- #6556 Strictly validate Babel's options to centralize Flow refinement of datatype. (@loganfsmyth)
babel-*
- #6655 Use peerDeps in register and babel-node, add missing peerDependencies, and declare devDependencies. (@loganfsmyth)
Other
- #6654 Update to beta.5 with scoped packages 👻. (@hzoo)
- #6736 Run with loose, exclude typeof in standalone. (@hzoo)

v7.0.0-beta.5 (2017-10-30)

Note: don't use ^ in your dependencies when using a beta. It can still break between (we should try not to do it but it can), so pin all the packages like "@babel/cli" : "7.0.0-beta.4"

:eyeglasses: Spec Compliance

babel-plugin-transform-optional-chaining
- #6525 Optional Chaining: Account for document.all. (@azz)
babel-preset-env, babel-helper-remap-async-to-generator, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-function-sent
- #6452 Adhering to async generator yield behavior change. (@Andarist)

:boom: Breaking Change

babel-*
- #6575 remove es20xx prefixes from plugins and rename folders. (@hzoo)
babel-plugin-transform-async-to-generator, babel-plugin-transform-async-to-module-method, babel-standalone
- #6573 Merge transform-async-to-module-method into transform-async-to-generator. (@hzoo)
babel-*
- #6570 Rename Proposal Plugins. (@hzoo)
babel-preset-env, babel-helper-remap-async-to-generator, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-function-sent
- #6452 Adhering to async generator yield behavior change. (@Andarist)
babel-helper-module-transforms, babel-helper-remap-async-to-generator, babel-helpers, babel-plugin-transform-class-properties, babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-for-of, babel-plugin-transform-es2015-modules-amd, babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-es2015-modules-systemjs, babel-plugin-transform-es2015-parameters, babel-template, babel-types
- #6492 Make babel-template nicer in a bunch of ways. (@loganfsmyth)
babel-core
- #6436 Simplify dirname option in plugins/presets?. (@loganfsmyth)
babel-*
- #6495 Rename everything: use scoped packages. (@hzoo)

:rocket: New Feature

babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx, babel-types
- #6563 Add a 'throwIfNamespace' option for JSX transform. (@jukben)
babel-*
- #6549 Add peerDep on specific babel-core version in transform plugins, pres…. (@hzoo)
babel-plugin-transform-es3-member-expression-literals, babel-plugin-transform-es3-property-literals, babel-plugin-transform-es3-reserved-words, babel-types
- #6479 Rename variables es3 reserved words. (@maurobringolf)
babel-preset-env, babel-plugin-transform-unicode-property-regex, babel-preset-stage-3, babel-standalone
- #6499 Import babel-plugin-transform-unicode-property-regex. (@mathiasbynens)
babel-plugin-syntax-nullish-coalescing-operator, babel-plugin-transform-nullish-coalescing-operator, babel-preset-stage-1, babel-types
- #6483 Implement transform for nullish-coalescing operator. (@azz)

:bug: Bug Fix

babel-plugin-proposal-unicode-property-regex, babel-template
- #6646 fixup places that aren not scoped [skip ci]. (@hzoo)
babel-plugin-proposal-class-properties, babel-traverse
- #6530 Fixed incorrect static class field initialization order. (@Andarist)
babel-*
- #6644 Fix peerDep to ^ for now. (@hzoo)
babel-core
- #6524 fix(babel-core): add missing extension to package.json dependency. (@alexjoverm)
- #6503 babel-core: Pass the right err to callback in transformFile(). (@robertrossmann)
babel-plugin-transform-react-jsx
- #6519 Fix regression that leaks JSX pragma config between files.. (@loganfsmyth)
babel-plugin-transform-class-properties
- #6517 Cloning reused node in class properties transform. (@Andarist)
babel-plugin-transform-pipeline-operator
- #6515 Fix destructuring in pipeline operator. (@jridgewell)

:nail_care: Polish

babel-plugin-transform-es2015-parameters
- #6581 Fix hasRest to not try to load "-1" from params array.. (@bmeurer)
babel-code-frame
- #6550 Make syntax highlighting for @ and # nicer. (@lydell)

:memo: Documentation

Other
- #6579 remove warning (still applies but don't need it there) [skip ci]. (@hzoo)
babel-*
- #6569 Fix readmes to use @babel/ [skip ci]. (@hzoo)
babel-preset-env
- #6527 Update README: useBuiltins: true is changed to "entry". (@exarus)
- #6508 Update reference from babel- to @babel/ in README.md. (@knittingcodemonkey)
babel-helper-get-function-arity
- #6532 docs - Add helper-get-function-arity readme [skip ci]. (@athomann)
babel-helper-bindify-decorators
- #6533 Add API to helper-bindify-decorators README [skip ci]. (@athomann)
babel-helper-hoist-variables
- #6534 Add API to babel-helper-hoist-vars README [skip ci]. (@athomann)

:house: Internal

babel-core, babel-generator, babel-template, babel-traverse, babel-types
- #6587 Update to babylon v7 beta.30. (@hzoo)
babel-preset-env
- #6551 Re-add electron-to-chromium as preset-env devdep. (@existentialism)
Other
- #6557 Lerna: Add publishConfig access public [skip ci]. (@hzoo)
- #6488 update to beta.3. (@hzoo)
babel-plugin-transform-unicode-property-regex
- #6548 Remove stale emoji tests in plugin-transform-unicode-property-regex. (@syldlb)
babel-preset-env, babel-preset-es2017
- #6513 Remove syntax-trailing-function-commas from Babel presets. (@existentialism)
babel-runtime
- #6509 Updating references to @babel/ and adding dependencies to package.json. (@knittingcodemonkey)
babel-core, babel-helpers, babel-plugin-transform-es2015-block-scoping, babel-runtime
- #6379 Fix helper dependencies in babel runtime. (@nicolo-ribaudo)
babel-core
- #6474 Removed index.js stub from packages/babel-core. (@zacharysang)
babel-register
- #6391 simplify register test. (@hzoo)

v7.0.0-beta.4 (2017-10-30)

Had a bug with peerDeps, moving changelog to beta.5

v7.0.0-beta.3 (2017-10-15)

Update from beta.2 -> beta.3 looks like this: https://github.com/babel/babel/pull/6488

Wanted to get this release out first, but next release we should make necessary breaking changes for later: using peerDeps on babel-core so that people don't install incompatible versions of plugins/babel itself and get weird errors reported, using scoped npm packages like @babel/core due to issues with npm squatting, knowing what is an official package or not, etc, and renaming proposal plugins to babel-plugin-proposal-x instead of babel-plugin-transform-x

Note: don't use ^ in your dependencies when using a beta. It can still break between (we should try not to do it but it can), so pin all the packages

Pipeline Operator: (a |> b), also in the Stage 1 Preset
Throw Expressions: (() => throw 'hi'), also in Stage 2
Preset/Plugin options are available top level rather than previously only in the visitor state
Many fixes

:boom: Breaking Change

babel-helper-remap-async-to-generator
- #6451 Drop old compatibility if statement targeting babel@6.15 and earlier. (@Andarist)
babel-core
- #6350 Cache plugins and presets based on their identity. (@loganfsmyth)
babel-core, babel-helper-module-imports, babel-traverse
- #6343 Remove core .metadata properties and resolveModuleSource. (@loganfsmyth)

:rocket: New Feature

babel-template
- #5001 Extend babel-template to work as a template tag. (@Kovensky)
babel-core, babel-generator, babel-plugin-syntax-pipeline-operator, babel-plugin-transform-pipeline-operator, babel-preset-stage-1, babel-template, babel-traverse, babel-types
- #6335 Pipeline operator. (@jridgewell)
babel-cli
- #6232 Add --include-dotfiles option to babel-cli. (@existentialism)
babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-es2015-template-literals
- #6327 Annotating taggedTemplateLiteral calls as #__PURE__. (@Andarist)
babel-standalone
- #6322 Add transform-new-target and missed stage-3 plugins to babel-standalone.. (@yavorsky)
babel-core, babel-generator, babel-plugin-syntax-throw-expressions, babel-plugin-transform-throw-expressions, babel-preset-stage-2, babel-template, babel-traverse, babel-types
- #6325 Add throw expressions. (@jridgewell)

:bug: Bug Fix

babel-plugin-transform-function-bind
- #6481 Don't insert duplicated nodes when transforming function bind. (@nicolo-ribaudo)
babel-plugin-transform-class-properties
- #6466 Evaluate computed class props only once. (@Qantas94Heavy)
babel-plugin-transform-do-expressions, babel-traverse
- #6372 Fix the issue #6331. (@wcastand)
babel-core
- #6377 Fix "module" external helpers output. (@loganfsmyth)
babel-plugin-transform-es2015-destructuring
- #6374 Fixed reusing node in destructuring plugin, which caused caching issu…. (@Andarist)
babel-plugin-transform-es2015-parameters, babel-traverse
- #6351 Requeueing sometimes has wrong scope. (@jridgewell)
babel-traverse
- #6354 unshiftContainer seems to incorrectly handle function params #6150. (@daft300punk)
babel-plugin-check-es2015-constants, babel-plugin-transform-class-properties, babel-plugin-transform-es2015-block-scoping, babel-plugin-transform-es2015-parameters, babel-traverse
- #6337 Path#ensureBlock keeps path context. (@jridgewell)
babel-generator
- #6334 Fix generator missing parens on Flow union types. (@existentialism)

:nail_care: Polish

babel-traverse
- #6349 Remove debug closures. (@jridgewell)

:memo: Documentation

Other
- #6439 [skip ci] fix typo in README.md. (@gberaudo)
babel-preset-typescript
- #6365 note about .ts extension in the preset [skip ci]. (@hzoo)
babel-helper-module-imports
- #6323 add docs for other import syntax [skip ci]. (@hzoo)

:house: Internal

.eslintrc
- #6457 Use no-undefined-identifier eslint rule in packages. (@existentialism)
babel-plugin-transform-async-to-module-method, babel-plugin-transform-class-properties, babel-plugin-transform-es2015-arrow-functions, babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-computed-properties, babel-plugin-transform-es2015-for-of, babel-plugin-transform-es2015-modules-amd, babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-es2015-modules-systemjs, babel-plugin-transform-es2015-modules-umd, babel-plugin-transform-es2015-parameters, babel-plugin-transform-es2015-spread, babel-plugin-transform-es2015-template-literals, babel-plugin-transform-optional-chaining, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime
- #6381 centralize plugin options. (@RusinovAnton)
babel-cli
- #6440 Misc. (@hzoo)
babel-core
- #6435 Always pass an options object to presets and plugins.. (@loganfsmyth)
- #6326 Preserve object identity when loading config, for improved future caching.. (@loganfsmyth)
babel-helpers, babel-runtime
- #6366 Fix runtime helpers generator. (@nicolo-ribaudo)
babel-cli, babel-core, babel-helper-transform-fixture-test-runner, babel-template, babel-traverse
- #6359 Split up babel-core's File class and add Flowtype annotations. (@loganfsmyth)
babel-core, babel-helpers, babel-runtime
- #6254 Add support for helper dependencies. (@nicolo-ribaudo)
babel-core, babel-generator, babel-helper-replace-supers, babel-messages, babel-plugin-check-es2015-constants, babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-for-of, babel-traverse
- #6356 Remove babel-messages and inline the usages. (@JeromeFitz)
babel-helper-module-imports, babel-plugin-transform-decorators, babel-plugin-transform-typescript
- #6355 Bump prettier. (@existentialism)
Other
- #6348 remove inline plugin from Babel's .babelrc. (@xjlim)
babel-traverse
- #6349 Remove debug closures. (@jridgewell)
babel-standalone
- #6338 transform-es2015-template-literals doesn't have spec mode anymore, ch…. (@Andarist)

v7.0.0-beta.2 (2017-09-26)

:boom: Breaking Change

babel-core, babel-plugin-transform-es2015-template-literals
- #6307 Move template object creation from core into the template transform.. (@loganfsmyth)
babel-core, babel-generator, babel-plugin-transform-class-properties, babel-template, babel-traverse, babel-types
- #6306 update generator printing, babylon [skip ci]. (@hzoo)

:rocket: New Feature

babel-helper-annotate-as-pure, babel-plugin-transform-es2015-classes, babel-traverse, babel-types
- #6267 Extracted babel-helper-annotate-as-pure. (@Andarist)

:bug: Bug Fix

babel-core
- #6310 addMapping method call missing name parameter. (@loganfsmyth)
babel-helper-builder-react-jsx, babel-plugin-transform-react-inline-elements
- #6294 Use helper-builder-react-jsx inside plugin-transform-react-inline-elements. (@nicolo-ribaudo)
babel-plugin-transform-es2015-parameters
- #6274 Fixed loose option of transform-es2015-parameters handling only Assig…. (@Andarist)
babel-core, babel-helpers, babel-plugin-transform-async-to-generator, babel-plugin-transform-react-constant-elements
- #6289 Fixed asyncToGenerator helper using arrow function. (@Andarist)

:memo: Documentation

#6305 update readme [skip ci]. (@hzoo)

:house: Internal

#6279 Updates for handling codemods folder. (@existentialism)

v7.0.0-beta.1 (2017-09-19)

Mostly bug fixes

:boom: Breaking Change

babel-helper-modules, babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-strict-mode
- #6244 Remove strict toggling wildcard interop. (@loganfsmyth)

:rocket: New Feature

babel-plugin-codemod-optional-catch-binding
- #6048 Remove unused catch binding. (@MarckK)

:bug: Bug Fix

babel-core, babel-helpers
- #6260 Fixed buildExternalHelpers tool for var and module output types. (@Andarist)
babel-register
- #6268 Make babel-register 7.x backward-compatible with 6.x.. (@loganfsmyth)
babel-plugin-transform-es2015-unicode-regex
- #6263 Update regexpu-core to v4.1.3. (@mathiasbynens)
babel-generator
- #6259 Fix newlines before the update suffix operator in babel-generator. (@zestime)
- #5651 Make terminator paren comment check more strict. (@existentialism)
babel-plugin-transform-react-jsx-source
- #6239 Fix jsx-source to not fail without filename. (@danez)

:nail_care: Polish

babel-helpers, babel-plugin-transform-async-to-generator, babel-plugin-transform-class-properties, babel-plugin-transform-es2015-parameters, babel-plugin-transform-es2015-spread, babel-plugin-transform-react-constant-elements, babel-runtime
- #6250 Use new Array instead of Array for V8 optimization. (@pranavpr)

:house: Internal

babel-core, babel-plugin-syntax-async-functions, babel-plugin-syntax-exponentiation-operator, babel-plugin-syntax-trailing-function-commas, babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-parameters, babel-plugin-transform-flow-strip-types, babel-preset-es2015
- #6229 move out syntax plugins to babel/babel-archive, they don't need to be…. (@hzoo)
babel-polyfill
- #6256 Add core-js stubs for parseFloat and parseInt to babel-polyfill. (@existentialism)
- #6255 Bump regenerator-runtime version in babel-polyfill. (@existentialism)

v7.0.0-alpha.20 (2017-08-30)

Handle Symbol in transform-es2015-computed-properties
Disallow ...[ & ...{ inside object destructuring

http://tc39.github.io/tc39-notes/2017-05_may-23.html#16ih-why-allow-bindingpattern-for-bindingrestparameter-for-object-rest-maybe-we-should-just-allow-identifiers

// Invalid
( {...{}} = {} ); ( {...[]} = {} );
let {...{}} = {}; let {...[]} = {};

Split transform-export-extensions into transform-export-namespace and transform-export-default plugins
Move transform-numeric-separator to Stage 2
Move transform-class-properties to Stage 3
- Change the default transform to use Object.defineProperty and loose option to use assignment (this.a = 1)
- Use configurable: true
Change es2015-template-literals to use .concat by default and concatenation in loose mode.
Remove deprecated jsx pragma check in transform-react-jsx
Remove preset-flow from the preset-react (there was confusion on why type syntax was allowed, and it also made it incompatible with preset-typescript
Add --config-file CLI flag to explicitly pass a config location
Move babel-standalone into the repo (another form of this used to be babel-browser)

:eyeglasses: Spec Compliance

babel-plugin-transform-async-to-generator, babel-*
- #6094 Spec compatibility for iteratorClose condition.. (@yavorsky)
babel-helpers, babel-plugin-transform-es2015-computed-properties
- #6159 Allow native Symbols as computed property names. (@jridgewell)
babel-plugin-check-es2015-constants, babel-traverse, babel-types
- #6100 Consistent const violations. (@maurobringolf)
babel-generator, babel-plugin-transform-es2015-destructuring, babel-plugin-transform-object-rest-spread
- #6102 Adjusted Object Rest/Spread tests to use only allowed syntax from the…. (@Andarist)
babel-plugin-transform-export-default, babel-plugin-transform-export-extensions, babel-plugin-transform-export-namespace, babel-preset-stage-1, babel-preset-stage-2
- #6080 Split export extensions into 2. (@echo304)
babel-plugin-transform-class-properties
- #6123 Add 'configurable' property to class fields. (@reznord)
babel-plugin-transform-class-properties, babel-plugin-transform-decorators, babel-plugin-transform-es2015-parameters, babel-plugin-transform-flow-comments, babel-plugin-transform-new-target, babel-plugin-transform-react-constant-elements, babel-preset-stage-2, babel-preset-stage-3
- #6076 Update Class Fields to Stage 3 and change default behavior. (@kedromelon)
babel-preset-stage-1, babel-preset-stage-2
- #6071 Add numeric separator to stage 2 preset. (@rwaldron)

:boom: Breaking Change

babel-plugin-transform-es2015-template-literals
- #6098 default to spec mode for template literal transform. (@kedromelon)
babel-generator, babel-plugin-transform-es2015-destructuring, babel-plugin-transform-object-rest-spread
- #6145 Removed the deprecated jsx pragma detection code. (@asthas)
babel-plugin-transform-flow-strip-types, babel-preset-flow, babel-preset-react
- #6118 Remove Flow support in React preset. (@ramasilveyra)
babel-helper-fixtures, babel-*
- #6157 Don't merge test options.. (@jridgewell)

:rocket: New Feature

babel-cli
- #6133 add --config-file option to CLI to pass in .babelrc location. (@bdwain)

:bug: Bug Fix

babel-core
- #5586 Handle cycles of plugins compiling themselves and .babelrc.js files loading themselves. (@loganfsmyth)
babel-plugin-transform-es2015-destructuring, babel-traverse
- #5743 Fix issue replacement nodes not requeued for transforming after destructuring. (@buunguyen)
babel-plugin-check-es2015-constants, babel-plugin-transform-es2015-block-scoping, babel-traverse
- #6156 Fix overshadowing local binding. (@jridgewell)
babel-helper-replace-supers, babel-plugin-transform-class-properties, babel-traverse
- #6158 Class instance properties define their own context. (@jridgewell)
babel-plugin-transform-export-default, babel-plugin-transform-export-namespace, babel-types
- #6139 Complete export transform split. (@jridgewell)
babel-plugin-transform-es2015-parameters, babel-traverse
- #5741 Fix relative execution location introspection. (@jridgewell)
babel-helper-replace-supers, babel-plugin-transform-es2015-classes
- #6103 Don't use _possibleConstructorReturn inside arrow functions. (@nicolo-ribaudo)
babel-plugin-transform-class-properties
- #6082 babel-plugin-transform-class-properties: Ignore type annotations when looking for name collisions. (@andy-ms)
babel-preset-stage-2
- #6088 remove left transform-class-properties from stage. (@echo304)
babel-plugin-transform-es2015-block-scoping, babel-types
- #5980 Fix scope of catch block. (@boopathi)

:nail_care: Polish

babel-plugin-transform-es2015-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types
- #5560 Closes #4840: Alias class prototype for methods in loose mode. (@oliverdon)

:memo: Documentation

babel-plugin-transform-class-properties
- #6124 Update README.md. (@uxter)
Other
- #6121 Update babel/website link. (@maurobringolf)
babel-plugin-transform-react-inline-elements
- #6078 [docs] Added clarification note about transform-react-inline-elements usage …. (@Andarist)

:house: Internal

babel-standalone
- #6168 Refactor es2015-loose and es2015-no-commonjs presets to use preset op…. (@bmax)
- #6137 Fix babel-standalone for realz. (@Daniel15)
- #6029 Move babel-standalone into main Babel repo. (@Daniel15)
babel-plugin-transform-es2015-template-literals
- #6169 re-add template literals tests, add ones that were missing. (@kedromelon)
babel-core, babel-generator, babel-template, babel-traverse, babel-types
- #6167 update babylon beta.22. (@hzoo)
babel-*
- #6096 linting: disallow t.identifier("undefined") in plugins. (@kedromelon)
Other
- #6138 Allow nightly Yarn builds to be used. (@Daniel15)
- #6079 Allow substrings for TEST_ONLY in make. (@Qantas94Heavy)
- #6064 Yarn engines. (@hzoo)
babel-core, babel-plugin-transform-es2015-classes, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-runtime
- #6113 Fix/regenerator fixtures. (@Andarist)
babel-plugin-transform-es2015-parameters
- #6116 Fix rest-member-expression-optimisation fixture. (@existentialism)
babel-plugin-transform-class-properties
- #6090 Fix class prop test fixture. (@existentialism)
babel-register
- #6085 Replace decache with direct removal in babel-register tests. (@existentialism)
babel-generator
- #6074 Add "classProperties" plugin to babel-generator typescript tests. (@andy-ms)
babel-plugin-syntax-typescript, babel-preset-typescript
- #6070 Move parser plugin from babel-preset-typescript to babel-plugin-syntax-typescript. (@andy-ms)

v7.0.0-alpha.19 (2017-08-07)

Can help us documented any undocumented changes or issues at https://github.com/babel/notes/issues/30 or make an issue

:boom: Breaking Change

babel-plugin-transform-flow-strip-types, babel-preset-react
- #5468 Add requireDirective to strip-flow-types for use in React preset. (@existentialism)

babel-preset-react now will only handle flow if the file has a // @flow

:rocket: New Feature

babel-plugin-syntax-typescript, babel-plugin-transform-typescript, babel-preset-typescript
- #5899 Add babel-plugin-syntax-typescript, babel-plugin-transform-typescript, and babel-preset-typescript. (@andy-ms)

Initial release of typescript equivalent of how Babel handles flow with a new babel-preset-typescript

{
  "presets": ["typescript"]
}

:bug: Bug Fix

babel-plugin-transform-es2015-modules-commonjs
- #6054 Don't insert the same node into the AST multiple times (fixes babel/babili#556). (@not-an-aardvark)
babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-es2015-spread
- #6052 Array destructuring hole. (@hzoo)

:house: Internal

babel-plugin-syntax-typescript, babel-plugin-transform-typescript, babel-preset-typescript
- #6061 Update gulp. (@hzoo)
babel-core, babel-helper-wrap-function, babel-plugin-transform-es2015-arrow-functions
- #6056 Use Yarn Workspaces. (@hzoo)
babel-plugin-transform-es2015-destructuring, babel-plugin-transform-es2015-parameters, babel-plugin-transform-object-rest-spread, babel-plugin-transform-react-constant-elements, babel-traverse
- #6051 Rewrite parameter transform and drop _blockHoist reliance. (@existentialism)
babel-core, babel-generator, babel-traverse, babel-types
- #6053 babylon beta.19. (@hzoo)
Other
- #6050 update to alpha.18. (@hzoo)

v7.0.0-alpha.18 (2017-08-03)

:eyeglasses: Spec Compliance

babel-generator, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-types
- #5990 Flow opaque type aliases. (@jbrown215)
babel-preset-stage-3
- #6032 Add optional catch binding to stage 3 preset. (@existentialism)

:boom: Breaking Change

babel-plugin-transform-es2015-block-scoping, babel-traverse, babel-types
- #5923 Prevent getFunctionParent from returning Program. (@sarupbanskota)

:rocket: New Feature

babel-node
- #6023 Make babel-node a standalone package. (@existentialism)
babel-generator
- #5896 babel-generator: Add TypeScript support. (@andy-ms)

:bug: Bug Fix

babel-plugin-transform-es2015-block-scoping, babel-preset-es2015
- #6046 Fix invalid block-scoped loop. (@jridgewell)
babel-types
- #6031 Fix generate interfaces script. (@existentialism)
babel-core
- #6022 allow PluginPass.file.addImport to create empty import statements. (@chocolateboy)

:memo: Documentation

babel-plugin-transform-optional-chaining
- #6035 Fix refs in transform-optional-chaining docs [skip ci]. (@existentialism)
Other
- #6024 add proposals repo [skip ci]. (@hzoo)
- #6013 add TEST_GREP example clarification. (@kedromelon)

:house: Internal

babel-*
- #6044 Newlines in fixtures. (@hzoo)
babel-generator
- #6026 babel-generator: Comment TypeScript-specific code. (@andy-ms)
- #6018 babel-generator: Make plugins list explicit for test cases. (@andy-ms)
babel-plugin-transform-function-sent, babel-preset-stage-2
- #6020 Function sent. (@hzoo)
babel-types
- #6019 babel-types: Have NewExpression inherit from CallExpression. (@andy-ms)

v7.0.0-alpha.17 (2017-07-26)

Lots of bug fixes
function.sent (temporary at babel-plugin-transform-function-sent2 until we get access to the npm package) EDIT: republished babel-plugin-transform-function-sent
Optional catch binding try {} catch {}: babel-plugin-transform-optional-catch-binding
es2015-parameters loose mode that doesn't use arguments

:eyeglasses: Spec Compliance

babel-plugin-check-es2015-constants
- #5930 Spec compliance of check-es2015-constants plugin. (@maurobringolf)

Instead of throwing a compile time error when const is violated, Babel should insert a throw statement before the violation.

:boom: Breaking Change

babel-plugin-transform-flow-comments
- #5970 Remove noop. (@jridgewell)

Removes the "Noop" AST node, which was only used in the flow-comments plugin and probably unlikely in the ecosystem.

:rocket: New Feature

babel-plugin-transform-react-constant-elements
- #5307 feature: Support whitelisting mutable props for react-constant-elements. (@STRML)

If you know a certain property will be ok to hoist

{
  "plugins": [
    ["transform-react-constant-elements", {"allowMutablePropsOnTags": ["FormattedMessage"]}],
  ]
}

babel-generator, babel-types
- #5856 babel-types: Add TypeScript definitions. (@andy-ms)
babel-generator, babel-plugin-transform-flow-strip-types, babel-types
- #5984 Add support for flow predicates in babel-generator. (@existentialism)

declare function foo(x: mixed): boolean %checks(x !== null);

babel-generator, babel-plugin-transform-flow-strip-types
- #5985 Add support for export type star in babel-generator. (@existentialism)

declare module "foo" { declare export type * from "bar"; }

babel-helper-remap-async-to-generator, babel-helper-wrap-function, babel-helpers, babel-plugin-transform-function-sent, babel-preset-stage-2
- #5920 Function sent. (@nicolo-ribaudo)

function* gen() {
  let a = function.sent;
}

let gen = _skipFirstGeneratorNext(function* gen() {
  const _functionSent = yield;
  let a = _functionSentt;
})

babel-core, babel-generator, babel-plugin-syntax-optional-catch-binding, babel-plugin-transform-optional-catch-binding, babel-template, babel-traverse, babel-types
- #5956 Add optionality to catch bindings. (@MarckK)

try {} catch {}

babel-plugin-transform-es2015-parameters
- #5943 2nd try: Add loose option for es2015-parameters transformation. (@maurobringolf)

Non-spec compliant transform (disregards arity) but doesn't use arguments

var t = function (f = "foo") {
  return f + " bar";
};

var t = function (f) {
  if (f === void 0) {
    f = "foo";
  }

  return f + " bar";
};

:bug: Bug Fix

babel-core, babel-helpers, babel-plugin-transform-object-rest-spread, babel-plugin-transform-react-constant-elements
- #5757 Non string computed keys in object-rest-spread. (@peey)
babel-traverse
- #5745 Use first binding for multiple var declarations. (@peey)
babel-helper-builder-binary-assignment-operator-visitor, babel-helper-explode-assignable-expression, babel-plugin-transform-exponentiation-operator
- #5969 Fixup builder-binary-assignment-operator-visitor. (@jridgewell)
babel-plugin-transform-es2015-for-of, babel-traverse
- #5835 Fix a few type inferences. (@jridgewell)
babel-plugin-transform-numeric-separator, babel-types
- #5968 Fix numeric-separator transform. (@jridgewell)
babel-plugin-transform-es2015-modules-amd, babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-es2015-modules-umd
- #5953 Support exporting deep destructuring. (@jridgewell)
babel-plugin-transform-es2015-for-of
- #5964 Fix for-of loose optimization. (@jridgewell)
babel-core, babel-plugin-transform-object-rest-spread, babel-traverse
- #5945 Remove maybePopFromStatements. (@jridgewell)
babel-generator
- #5950 [generator] remove parens from break & continue. (@sarupbanskota)
babel-helpers, babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-typeof-symbol
- #5955 Optimize and remove state from typeof-symbol transform. (@jridgewell)
babel-plugin-transform-react-inline-elements
- #5958 Fix react-inline-elements bug. (@jridgewell)

:house: Internal

babel-helper-transform-fixture-test-runner
- #6002 Update chai to 4.x. (@danez)
babel-code-frame
- #6003 Update chalk to 2.x. (@danez)
babel-register
- #5999 Update find-cache-dir to 1.0. (@danez)
- #6000 Update default-require-extensions to 2.0. (@danez)
babel-types
- #5997 Update to-fast-properties to 2.0. (@danez)
babel-cli
- #5996 Update output-file-sync to 2.0. (@danez)
- #5975 Update v8flags to version 3.0.0. (@Siilwyn)
babel-generator
- #5995 Update jsesc to the latest version. (@danez)
babel-traverse
- #5993 Update globals to v10. (@danez)
Other
- #5991 Fix clean to remove package-lock files. (@danez)
- #5959 Bump istanbul and nyc. (@existentialism)
babel-core, babel-generator, babel-helper-builder-react-jsx, babel-helper-function-name, babel-helper-replace-supers, babel-plugin-transform-es2015-block-scoping, babel-plugin-transform-es2015-classes, babel-plugin-transform-jscript, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx, babel-template, babel-traverse, babel-types
- #5963 Stop mutating nodes. (@jridgewell)
babel-plugin-transform-es2015-modules-systemjs
- #5954 Add several test cases for systemjs exports. (@jridgewell)

v7.0.0-alpha.16 (2017-07-25)

Publish issue

v7.0.0-alpha.15 (2017-07-11)

babel-plugin-transform-optional-chaining

This is a Stage 0 TC39 Proposal (subject to change/removal and your feedback!)

const obj = {
  foo: {
    bar: {
      baz: 42,
    },
  },
};

const baz = obj?.foo?.bar?.baz; // 42

const safe = obj?.qux?.baz; // undefined

// Optional chaining and normal chaining can be intermixed
obj?.foo.bar?.baz; // Only access `foo` if `obj` exists, and `baz` if
                   // `bar` exists

babel-plugin-transform-new-target

function Foo() {
  console.log(new.target);
}

Foo(); // => undefined
new Foo(); // => Foo

better for of optimization (if inferred array)

// these kinds of scenarios will compile to a regular for loop
const x = [];
for (const y of x) {}
const arr = Object.entries(x);
for (const y of arr) {}

loose mode for classes is a lot looser

Input

class A {}

Output (loose)

let A = function A() {}; // loose

Output (normal)

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var A = function A() {
  _classCallCheck(this, A);
};

:boom: Breaking Change

babel-*
- #5824 Hardcode to double quotes, indent to 2 spaces. (@hzoo)

This is just the babel-generator output, not a big deal.

:rocket: New Feature

babel-traverse
- #5914 babel-traverse: Mark appropriate template literals as pure. (@ashsearle)
- #5681 Add support for evaluating String.raw expressions. (@josephfrazier)
babel-plugin-transform-new-target
- #5906 Add new.target transform. (@jridgewell)
babel-core, babel-generator, babel-plugin-syntax-optional-chaining, babel-plugin-transform-optional-chaining, babel-preset-stage-1, babel-template, babel-traverse, babel-types
- #5813 Optional Chaining Operator (Stage 1). (@jridgewell)
babel-core, babel-plugin-transform-es2015-for-of
- #4747 test for for-of optimization on arrays and add it for array type anno…. (@hzoo)
babel-helpers, babel-plugin-transform-es2015-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types
- #4850 Remove ClassCallCheck, possibleConstructorReturn in loose mode. (@hzoo)
babel-generator, babel-plugin-transform-flow-strip-types, babel-types
- #5589 Support declare export statements. (@danez)

:bug: Bug Fix

babel-helpers, babel-plugin-transform-class-properties, babel-plugin-transform-es2015-classes
- #5885 Fix returning an object in a derived class constructor without super. (@jridgewell)
babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
- #5932 Fix async-to-generator ForAwait transform. (@jridgewell)
babel-plugin-transform-es2015-modules-commonjs
- #5891 Fix 5768 (to 7.0 branch). (@joshwnj)
- #5886 7.0 port: Fix commonjs exports with destructuring.. (@yavorsky)
babel-plugin-transform-es2015-classes
- #5801 Fix bug super ref check doesn’t honor spec evaluation order. (@buunguyen)
- #5802 Remove check for super calls in arrow function. (@existentialism)
babel-cli
- #5861 Pass SIGINT signals to the spawned child process. (@bill-improbableio)
- #5867 fix issue as a result of refactor. (@hzoo)
babel-types
- #5865 Fix type errors for destructuring assignments(#4227). (@MarckK)
babel-generator
- #5830 Fix parens issues with exponentiation in generator. (@existentialism)
- #5820 Wrap an arrow function in parentheses if it the test of a conditional expression. (@nicolo-ribaudo)
babel-plugin-transform-numeric-separator
- #5825 Fix numeric separator Number transform. (@jridgewell)
babel-plugin-transform-es2015-template-literals, babel-preset-es2015
- #5791 Spec compatibility for template literals.. (@yavorsky)
babel-plugin-transform-es2015-parameters
- #5810 Fix bug incorrect dereferencing rest argument. (@buunguyen)
babel-plugin-syntax-optional-chaining
- #5942 move to src. (@hzoo)

:nail_care: Polish

babel-plugin-transform-es2015-parameters
- #5721 Fix optimisation of shadowed rest parameters. (@Qantas94Heavy)
babel-helper-builder-react-jsx, babel-plugin-transform-es2015-spread, babel-traverse
- #5837 Hoist several closures. (@jridgewell)
babel-traverse, babel-types
- #5826 Matches pattern cleanup. (@jridgewell)
babel-types
- #5821 babel-types: avoid recreating validator closures. (@jridgewell)

:memo: Documentation

babel-types
- #5941 Update babel-types docs [skip ci]. (@existentialism)
- #5940 Removed update operators from number unary operators. (@maurobringolf)
- #5855 Minor enhancements around spacing. (@sarupbanskota)

:house: Internal

babel-polyfill
- #5939 Change trailing comma option for polyfill scripts. (@existentialism)
Other
- #5937 Remove codecov node package and use bash uploader. (@danez)
- #5918 Gitignore package-lock. (@sarupbanskota)
babel-core, babel-generator
- #5892 Fix some unneeded semis in test fixtures. (@existentialism)
babel-*
- #5833 Remove whitespace generation. (@danez)
babel-core, babel-generator, babel-traverse, babel-types
- #5889 Update babylon. (@hzoo)
babel-*
- #5412 Use prettier. (@existentialism)
babel-generator, babel-traverse
- #5866 update babel-eslint, try out numeric separators. (@hzoo)
babel-generator
- #5845 Add tests for babel-generator. (@1egoman)
babel-cli
- #5807 Include node 8.0 to travis config & update tests. (@sarupbanskota)
babel-core, babel-helper-transform-fixture-test-runner, babel-traverse
- #5815 Don't call deprecated code frame export. (@SimenB)
babel-core, babel-traverse
- #5808 ⬆️ Alpha 12. (@hzoo)

v7.0.0-alpha.14

Skipped

v7.0.0-alpha.13

Skipped

v7.0.0-alpha.12 (2017-05-31)

:eyeglasses: Spec Compliance

babel-core, babel-generator, babel-plugin-syntax-numeric-separator, babel-plugin-transform-numeric-separator, babel-preset-stage-1, babel-template, babel-traverse, babel-types
- #5793 Support for NumericLiteralSeparator, Stage 1 feature. (@rwaldron)

:rocket: New Feature

babel-code-frame
- #5646 Add column range to babel-code-frame. (@SimenB)
babel-core, babel-generator, babel-plugin-syntax-numeric-separator, babel-plugin-transform-numeric-separator, babel-preset-stage-1, babel-template, babel-traverse, babel-types
- #5793 Support for NumericLiteralSeparator, Stage 1 feature. (@rwaldron)
babel-cli
- #5785 Allow --inspect-brk option to be used with babel-node. (@noinkling)

:bug: Bug Fix

babel-plugin-transform-async-to-generator, babel-plugin-transform-es2015-destructuring, babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-react-constant-elements
- #5763 Fix incorrect destructuring in for loop let initialization. (@buunguyen)
babel-core, babel-plugin-transform-es2015-block-scoping
- #5775 Switch continue. (@peey)
babel-plugin-transform-flow-strip-types
- #5782 Remove import declaration when stripping flowtypes if flow specifiers. (@existentialism)

:memo: Documentation

babel-plugin-check-es2015-constants, babel-plugin-syntax-async-functions, babel-plugin-syntax-async-generators, babel-plugin-syntax-class-properties, babel-plugin-syntax-decorators, babel-plugin-syntax-do-expressions, babel-plugin-syntax-dynamic-import, babel-plugin-syntax-exponentiation-operator, babel-plugin-syntax-export-extensions, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-jsx, babel-plugin-syntax-object-rest-spread, babel-plugin-syntax-trailing-function-commas, babel-plugin-transform-async-functions
- #5798 Make all packages/*/README.md descriptions consistent.. (@rwaldron)
Other
- #5790 Contributing troubleshooting. (@peey)

:house: Internal

babel-traverse
- #5746 Remove duplicated getStatementParent and refactor requires to imports in tests. (@maurobringolf)
- #5779 Added individual test cases for possible errors with path.replaceWith. (@maurobringolf)

v7.0.0-alpha.11 (2017-05-31)

Publish issues

v7.0.0-alpha.10 (2017-05-25)

Publish issues, use alpha.12

Update Babylon: https://github.com/babel/babylon/releases/tag/v7.0.0-beta.9, https://github.com/babel/babylon/releases/tag/v7.0.0-beta.10

:eyeglasses: Spec Compliance

babel-generator, babel-plugin-transform-flow-strip-types, babel-types
- #5525 Add support for object type spread. (@conartist6)

:boom: Breaking Change

babel-*
- #5677 Kill the "shadow-functions.js" internal plugin in favor of an explicit helper. (@loganfsmyth)

:rocket: New Feature

babel-*
- #5761 Babylon 7 alpha.10. (@hzoo)
babel-plugin-transform-es2015-arrow-functions, babel-plugin-transform-es2015-function-name
- #5620 Add function name to spec-transformed arrow functions. (@Kovensky)
babel-plugin-transform-react-display-name
- #5554 Updated transform-react-display-name for createReactClass addon. (@bvaughn)
babel-register
- #5669 Find cache dir. (@pwmckenna)

:bug: Bug Fix

babel-types
- #5762 Fix ObjectProperty patterns. (@citycide)
- #5753 Hoist toSequenceExpression's convert helper (#5693). (@jridgewell)
- #5693 Hoist toSequenceExpression's convert helper. (@jridgewell)
- #5722 Correct the validator for ArrayPattern. (@Kovensky)
babel-plugin-transform-flow-comments
- #5675 Flow comments import export. (@lightsofapollo)
babel-plugin-transform-do-expressions
- #5694 Transform do-expressions on exit. (@jridgewell)
babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-destructuring, babel-traverse
- #5749 Fix issue semi-colon gets inserted unnecessarily. (@buunguyen)
babel-core, babel-helpers, babel-plugin-transform-async-to-generator, babel-plugin-transform-react-constant-elements
- #5688 Fix for #4943 "Calling an async function with default parameter as function for arguments checking handled synchonous". (@hulkish)
babel-plugin-transform-object-rest-spread
- #5685 Fix incorrect property ordering with obj rest spread on nested. (@existentialism)
- #5650 Fix object destructuring in param arrays. (@CKarper)

:nail_care: Polish

babel-plugin-transform-es2015-template-literals
- #5748 Cleanup template-literals transform. (@jridgewell)

:memo: Documentation

babel-plugin-transform-runtime
- #5767 [Documentation change] regeneratorRuntime -> _regenerator2.default. (@adityavohra7)
babel-plugin-transform-es2015-arrow-functions
- #5698 Add spec option example for transform-es2015-arrow-functions [skip ci]. (@existentialism)
Other
- #5729 Lowercase "business model" in badge. (@Daniel15)
babel-core
- #5659 [Doc PR] naming fix in example. (@aretecode)

:house: Internal

babel-helper-fixtures
- #5765 Support specifying minimum Node version a test requires. (@buunguyen)
babel-helper-transform-fixture-test-runner
- #5410 Add process to test sandbox. (@existentialism)
babel-preset-es2015
- #5720 Add test cases for bad options in babel-preset-es2015. (@maurobringolf)
babel-register
- #3670 Switch to pirates for babel-register.. (@danez)
babel-core
- #5649 Remove merge helper and add more type declarations.. (@loganfsmyth)
babel-core, babel-plugin-transform-react-jsx
- #5642 Typecheck much more of the config loading process. (@loganfsmyth)
Other
- #5639 update to alpha.9. (@hzoo)

v7.0.0-alpha.9 (2017-04-18)

:bug: Bug Fix

babel-core
- #5641 Fix a regression from adding negation support in #5625.. (@loganfsmyth)

v7.0.0-alpha.8 (2017-04-17)

:eyeglasses: Spec Compliance

babel-preset-stage-2, babel-preset-stage-3
- #5610 Move syntax-dynamic-import to stage-3. (@dkaoster)

:boom: Breaking Change

babel-core
- #5547 [7.0] Require babel-(preset|plugin) or module: on plugins/presets. (@loganfsmyth)

:rocket: New Feature

babel-core
- #5608 Cache configs based on mtime and allow .babelrc.js functions. (@loganfsmyth)
- #5625 Allow negation of ignore and only patterns.. (@loganfsmyth)

:bug: Bug Fix

babel-plugin-transform-class-properties, babel-plugin-transform-es2015-classes, babel-plugin-transform-es2015-function-name
- #5488 Ensure default exported classes keep entry in export table. (@existentialism)
babel-generator
- #5562 Avoid creating a new line comment when a block comment is preceded by a forward slash. (@tgecho)
babel-plugin-transform-async-to-generator
- #5536 Always use the native (or polyfilled) Promise in transform-async-to-generator. (@Kovensky)

:nail_care: Polish

babel-core, babel-helpers
- #5548 Remove unnecessary returns in asyncToGenerator helper. (@zertosh)

:memo: Documentation

babel-plugin-transform-es2015-arrow-functions
- #5573 Improve example of babel-plugin-transform-es2015-arrow-functions. (@exacs)

:house: Internal

babel-core, babel-messages
- #5602 Refactor OptionManager to be a short class with a bunch of pure helper functions.. (@loganfsmyth)
babel-plugin-transform-regenerator
- #5605 Test arrow function inside generator.. (@yavorsky)
Other
- #5619 Set an 80% coverage goal instead of 'auto'?. (@loganfsmyth)

v7.0.0-alpha.7 (2017-04-05)

Updated babylon, fixed babel-register issue, and make babel-polyfill publish the core-js polyfills individually for babel-preset-env

:rocket: New Feature

babel-polyfill
- #5584 add individual polyfill files. (@hzoo)

:bug: Bug Fix

babel-register
- #5583 Change babel-register default ignore to cwd content. (@loganfsmyth)
babel-generator, babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx
- #5256 Use raw value of JSXText and JSXAttribute. (@rattrayalex)
babel-core, babel-generator, babel-template, babel-traverse, babel-types
- #5585 Update babylon to latest beta. (@danez)

:memo: Documentation

babel-plugin-transform-es2015-modules-commonjs
- #5588 Update transform-es2015-modules-commonjs doc. (@xtuc)
babel-plugin-transform-es2015-spread
- #5580 Remove incorrect docs.. (@loganfsmyth)

:house: Internal

babel-core
- #5563 Separate config-file/plugin loading from config processing.. (@loganfsmyth)
- #5571 Add tests to test the plugin/preset ordering.. (@loganfsmyth)
Other
- #5561 Ensure that incremental builds work with 'gulp build'.. (@loganfsmyth)
- #5555 Use a standard .babelignore and babel-register in tests.. (@loganfsmyth)
- #5551 use latest babel-core. (@hzoo)

v7.0.0-alpha.6 (2017-03-27)

Fix issue with babel-core not picking up the .babelrc correctly

Also started Babel to compile itself with Babel 7! (We'll be working on making it compile the last good version from master soon so we don't need to wait until after publishing to find a regression)

:bug: Bug Fix

babel-core
- #5550 Fix: config lookup logic in babel-core. (@kaicataldo)

:house: Internal

Other
- #5543 🐶 🍲. (@hzoo)
babel-*
- #5545 Misc. (@hzoo)

v7.0.0-alpha.5 (2017-03-24)

babel-runtime helpers weren't built correctly, and I found extra dep on babel-runtime in 2 packages.

At the point of this publish, all other packages are at v7.0.0-alpha.3 babel-register is at v7.0.0-alpha.4

:bug: Bug Fix

babel-runtime
- #5539 Fix babel-runtime helpers gererator. (@azrael25)

:house: Internal

babel-plugin-transform-decorators, babel-plugin-transform-react-inline-elements, babel-runtime
- #5540 keep one core-js helper file in git, remove babel-runtime from deps. (@hzoo)

v7.0.0-alpha.4 (2017-03-23)

At the point of this publish, all other packages are at v7.0.0-alpha.3

:bug: Bug Fix

babel-register
- #5534 Ensure the ignore regex is consistent and initialized fully.. (@loganfsmyth)

v7.0.0-alpha.3 (2017-03-23)

:boom: Breaking Change

babel-traverse
- #5494 Cleanup traverse cache APIs. (@boopathi)
babel-runtime
- #5516 removed unused alias in babel-runtime. (@JulianJason)
babel-core, babel-generator, babel-plugin-transform-es2015-template-literals, babel-template, babel-traverse, babel-types
- #5523 Account for template literals revision. (@hzoo)
babel-core, babel-preset-react, babel-runtime
- #5489 Misc fixes + Move babel-core config processing from transformation/file/options into top-level folder. (@loganfsmyth)
babel-cli, babel-core, babel-register, babel-types
- #5487 Make only/ignore relative to cwd/config file and move only/ignore checking all to core.. (@loganfsmyth)
babel-core, babel-plugin-transform-es2015-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-react-jsx-source
- #5467 Misc reorganizing and prep for ignore/only refactoring. (@loganfsmyth)
babel-core
- #5466 Resolve programmatic/CLI arguments from cwd, not file being compiled.. (@loganfsmyth)
babel-cli, babel-core
- #5463 More strictly parse configs and explicitly handle arguments in babel-cli. (@loganfsmyth)

:rocket: New Feature

babel-plugin-transform-runtime, babel-runtime
- #5442 Add useBuiltIns and useESModules options to transform-runtime. (@Kovensky)
babel-core, babel-register
- #5448 Export Babel's environment. (@xtuc)

:bug: Bug Fix

babel-plugin-transform-react-inline-elements, babel-traverse
- #5504 Fix path.remove() leading & trailing comments sharing. (@dmail)
babel-core, babel-runtime
- #5528 Fix babel runtime helpers. (@hzoo)
babel-plugin-transform-react-constant-elements, babel-traverse
- #5415 Fix PathHoister attaching to default parameters.. (@STRML)
babel-plugin-transform-es2015-modules-amd, babel-plugin-transform-es2015-modules-commonjs
- #5474 Properly preserve import ordering with AMD format.. (@rwjblue)
babel-plugin-transform-do-expressions, babel-types
- #5499 Fix throw error in do-expression. (@xtuc)
babel-plugin-transform-es2015-function-name, babel-types
- #4954 Treat "await" as an invalid identifier. (@Kovensky)

:nail_care: Polish

babel-register
- #5411 Separate version env cache files. (@pwmckenna)

:memo: Documentation

babel-plugin-transform-runtime
- #5481 Add useBuiltins and useESModules options to transform-runtime README. (@existentialism)
- #5401 Improve options documentation for babel-plugin-transform-runtime. (@aaronang)
babel-register
- #5475 Update coffescript/register reference link address. (@sergeybekrin)
babel-generator
- #5477 Update babel-generator documentation. (@xtuc)
babel-plugin-transform-es2015-*
- #5393 added examples for transforms. [skip ci]. (@nitin42)

:house: Internal

babel-cli
- #5205 Ensure babel-cli tests compare generated output with out-files. (@existentialism)
Other
- #5530 devEngines: Bump node to 4.x.. (@yavorsky)
babel-plugin-transform-regenerator
- #5341 Bump regenerator-transform version to 0.9.11.. (@yavorsky)
babel-core, babel-plugin-transform-es2015-classes, babel-template, babel-traverse
- #5522 Update babylon. (@hzoo)
babel-plugin-transform-es2015-classes
- #5450 Changes the throw error for test in super-illegal-non-constructor-call. (@arshabh)
babel-helper-builder-react-jsx
- #5484 Removes unused lodash dep from babel-helper-builder-react-jsx. (@segphault)

babel@7.0.0-alpha.2 (2017-03-08)

:rocket: New Feature

babel-core, babel-generator, babel-plugin-transform-object-rest-spread
- #4892 Add support for .babelrc.js files. (@kaicataldo)
babel-plugin-transform-es2015-modules-amd, babel-plugin-transform-es2015-modules-commonjs
- #5427 Backport noInterop flag for modules to 6.x.. (@rwjblue)

:memo: Documentation

babel-plugin-transform-object-rest-spread
- #5409 Fix transform-object-rest-spread README. (@existentialism)
- #5409 Fix transform-object-rest-spread README. (@existentialism)

:house: Internal

babel-core, babel-helper-transform-fixture-test-runner
- #5416 Use 'resolve' from npm instead of private 'module' methods.. (@loganfsmyth)
babel-*
- #5413 Run new lint rules. (@existentialism)

v7.0.0-alpha.1 (2017-03-02)

:boom: Breaking Change

babel-core, babel-generator, babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator, babel-template, babel-traverse, babel-types
- #5399 Update babylon beta 4. (@hzoo)
babel-core, babel-generator, babel-plugin-transform-es2015-destructuring, babel-plugin-transform-es2015-duplicate-keys, babel-plugin-transform-object-rest-spread, babel-template, babel-traverse, babel-types
- #5394 Update babylon beta 3. (@hzoo)
babel-core
- #5376 [7.0] Remove the unneeded Pipeline class.. (@loganfsmyth)
- #5132 [7.0] Deprecate babel-core/register.js. (@chicoxyzzy)
babel-core, babel-preset-es2015, babel-preset-es2016, babel-preset-es2017, babel-preset-flow, babel-preset-latest, babel-preset-react, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2, babel-preset-stage-3
- #5128 [7.0] Remove bc code from preset handling and preset-es2015. (@danez)
babel-core, babel-generator, babel-helper-remap-async-to-generator, babel-plugin-transform-object-rest-spread, babel-template, babel-traverse, babel-types
- #5317 Update to babylon@7.0.0-beta.0. (@hzoo)
babel-generator, babel-helper-remap-async-to-generator, babel-plugin-transform-object-rest-spread, babel-types
- #5321 Change for-await to use new AST. (@danez)
babel-generator
- #5320 Fix variance. (@danez)
- #5154 [7.0] Remove quotes option. (@4rlekin)
- #5226 Bump detect-indent for babel-generator.. (@wtgtybhertgeghgtwtg)
babel-plugin-transform-decorators
- #5290 [7.0] Replacing current decorators. (@alxpy)
babel-generator, babel-types
- #5199 Rename flow AST Type ExistentialTypeParam to ExistsTypeAnnotation. (@koba04)
- #5229 Rename NumericLiteralTypeAnnotation to NumberLiteralTypeAnnotation. (@phpnode)
babel-*
- #5218 Remove babel-runtime from packages' dependencies. (@kaicataldo)
babel-preset-stage-1, babel-preset-stage-2
- #5225 [7.0] Add legacy-decorators to stage1. Closes #5220. (@yavorsky)
babel-register
- #5189 Bump home-or-tmp for babel-register.. (@wtgtybhertgeghgtwtg)
babel-runtime
- #5187 [7.0] Remove old babel-runtime code. (@vkbansal)
babel-generator, babel-plugin-syntax-class-constructor-call, babel-plugin-transform-class-constructor-call, babel-preset-stage-1
- #5119 Remove "class-constructor-call" syntax and transform plugins. (@ColinRTaylor)
babel-preset-stage-3
- #5126 [7.0] Remove stage 4 plugins from stage 3 preset. (@varemenos)
Other
- #5131 [7.0] Remove add module exports internally. (@chicoxyzzy)
- #5025 Drop support for Node 0.12 :skull:. (@siddharthkp)
- #5041 Remove node 0.10 support (CI). (@xtuc)
babel-cli, babel-core, babel-plugin-transform-react-constant-elements, babel-traverse
- #5124 Closes #5108, browser.js and browser.js test removed. (@Pr0x1m4)
babel-plugin-transform-es2015-unicode-regex
- #5028 Dependencies: Upgrade regexpu-core to ^4.0.2. (@ysangkok)
babel-polyfill
- #5122 Remove old code used for backwards compatibility. (@Anderson-Vasques)
babel-generator, babel-plugin-transform-flow-comments
- #5123 [7.0] Drop flowUsesCommas option from babel-generator. (@ChauTNguyen)
babel-plugin-transform-runtime
- #5142 removed old cold from transform-runtime. (@shubheksha)

:rocket: New Feature

babel-core
- #5385 [7.0] Allow presets to be objects. (@danez)
- #4834 Pass dirname as extra metadata to preset constructor.. (@izaakschroeder)
babel-preset-stage-2
- #3683 babel-preset-stage-2: Add transform-unicode-property-regex. (@mathiasbynens)

:bug: Bug Fix

babel-generator
- #5339 Wrap some generated do expressions in parens. (@zjmiller)
babel-generator, babel-plugin-transform-object-rest-spread
- #5322 Fix for-await printing. (@danez)
babel-core
- #5164 [7.0] Update babel-core browserify fixture. (@chicoxyzzy)

:memo: Documentation

babel-plugin-transform-runtime
- #5400 [doc] Fix: comments in usage w/ options. (@JPeer264)
babel-plugin-transform-async-to-module-method, babel-plugin-transform-es2015-computed-properties, babel-plugin-transform-es2015-for-of, babel-plugin-transform-es2015-modules-systemjs, babel-plugin-transform-es2015-spread, babel-plugin-transform-es2015-template-literals, babel-plugin-transform-object-rest-spread, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-strict-mode, babel-preset-latest, babel-register, babel-template
- #5379 Lint code snippets in READMEs. (@xtuc)
babel-plugin-transform-es2015-shorthand-properties
- #5334 Shorthand properties examples. (@bhoule)
Other
- #5329 Update CONTRIBUTING.md with respect to coverage check [skip ci]. (@zjmiller)

:house: Internal

babel-plugin-undeclared-variables-check
- #5407 remove undeclared plugin [skip ci]. (@hzoo)
babel-plugin-transform-class-constructor-call
- #5406 cleanup + update to lerna 38. (@hzoo)
babel-generator
- #5338 Improve babel-generator's code coverage. (@alxpy)
- #5231 [7.0] List babylon plugins instead of * in babel-generator tests. (@existentialism)
Other
- #5336 Enable codecov partial coverage. (@danez)
- #5350 Remove redundant NODE_ENV=test in Makefile. (@aaronang)
- #5312 [skip ci] Add devEngines to package.json. (@yavorsky)
- #5165 Add Node 7 to CI. (@chicoxyzzy)
- #5254 test lerna@2-beta.37. (@hzoo)
- #5175 Added yarn.lock. (@ChauTNguyen)
babel-cli
- #5342 Add test for passing arguments to babel-node (#5163). (@outsideris)
babel-core, babel-template, babel-traverse
- #5356 Replace lodash/assign with Object.assign. (@mdapper)
babel-cli, babel-core, babel-generator, babel-plugin-transform-async-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-async-to-module-method, babel-plugin-transform-class-properties, babel-plugin-transform-decorators, babel-plugin-transform-do-expressions, babel-plugin-transform-es2015-modules-amd, babel-plugin-transform-es2015-modules-commonjs, babel-plugin-transform-es2015-modules-umd, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-extensions, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-bind, babel-plugin-transform-object-rest-spread, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-traverse
- #5351 Avoid usage of exports/module.exports/require().. (@loganfsmyth)
babel-preset-stage-1
- #5319 Switch decorators-legacy to decorators in the Stage 1 Preset (#5318). (@sashashakun)
babel-traverse
- #5296 Add test for reference paths. (@jasonLaster)
babel
- #5293 [7.0] remove standalone babel package. (@hzoo)
babel-helper-transform-fixture-test-runner
- #5263 [7.0] Run Babel's unittests in a custom sandbox (take 2).. (@loganfsmyth)
babel-register
- #5189 Bump home-or-tmp for babel-register.. (@wtgtybhertgeghgtwtg)
babel-cli, babel-core
- #5179 [7.0] No path is absolute. (@zertosh)
babel-polyfill
- #5122 Remove old code used for backwards compatibility. (@Anderson-Vasques)

Package detail

readme

Supporting Babel

Sponsors

Intro

FAQ

Who maintains Babel?

Is there a Babel song?

Looking for support?

Where are the docs?

Want to report a bug or request a feature?

Want to contribute to Babel?

How is the repo structured?

License

changelog

Changelog

v7.10.2 (2020-05-30)

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

v7.10.1 (2020-05-27)

:bug: Bug Fix

:house: Internal

v7.10.0 (2020-05-26)

:eyeglasses: Spec Compliance

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

:running_woman: Performance

:leftwards_arrow_with_hook: Revert

v7.9.6 (2020-04-29)

:eyeglasses: Spec Compliance

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:memo: Documentation

:house: Internal

:running_woman: Performance

v7.9.5 (2020-04-07)

:bug: Bug Fix

:nail_care: Polish

:house: Internal

v7.9.4 (2020-03-24)

:bug: Bug Fix

:house: Internal

v7.9.3 (2020-03-22)

:bug: Bug Fix

:house: Internal

v7.9.2 (2020-03-21)

:bug: Bug Fix

:house: Internal

v7.9.1 (2020-03-20)

:bug: Bug Fix

v7.9.0 (2020-03-20)

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

v7.8.8 (2020-03-12)

:rocket: New Feature

:bug: Bug Fix

:house: Internal

v7.8.7 (2020-03-05)

:bug: Bug Fix

:house: Internal

v7.8.6 (2020-02-27)

:eyeglasses: Spec Compliance

:boom: Breaking Change

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

v7.8.5 (2020-01-31)

:bug: Bug Fix

:house: Internal

v7.8.4 (2020-01-30)

:eyeglasses: Spec Compliance

:bug: Bug Fix