Babel Versions Save

v8.0.0-alpha.8 (2024-04-04)

In addition to the changelog below, this release includes changes from v7.24.1, v7.24.2, v7.24.3, and v7.24.4.

:boom: Breaking Change

• babel-plugin-transform-runtime, babel-runtime-corejs3
  • #16347 Remove core-js and regenerator entrypoints from @babel/runtime-* (@nicolo-ribaudo)
• babel-plugin-transform-runtime
  • #16346 Remove ./helpers/esm exports from @babel/runtime and drop Node.js 13.0-13.1 (@nicolo-ribaudo)
• babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-runtime-corejs2
  • #16311 [babel 8] Cleanup plugin-transform-runtime options (@nicolo-ribaudo)

:nail_care: Polish

• babel-plugin-transform-typescript
  • #16396 [babel 8] Turn const enums into const variables (@samualtnorman)

:house: Internal

• babel-core
  • #16365 [babel 8] Remove import_ fallback (@nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #16323 Allow separate helpers to be excluded in Babel 8 (@liuxingbaoyu)
• babel-helper-plugin-test-runner
  • #16330 Add missing "type": "module" to helper-plugin-test-runner (@nicolo-ribaudo)
• babel-compat-data, babel-plugin-transform-object-rest-spread, babel-preset-env
  • #16318 [babel 8] Fix @babel/compat-data package.json (@nicolo-ribaudo)

Committers: 8

• Babel Bot (@babel-bot)
• Dunqing (@Dunqing)
• Huáng Jùnliàng (@JLHwung)
• Luís Reis (@luiscubal)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Samual Norman (@samualtnorman)
• Yosuke Ota (@ota-meshi)
• @liuxingbaoyu

v7.24.4 (2024-04-03)

Thanks @Dunqing, @luiscubal, and @samualtnorman for your first PRs!

:eyeglasses: Spec Compliance

• babel-parser
  • #16403 Forbid initializerless using (@JLHwung)
• babel-helpers, babel-plugin-proposal-decorators, babel-runtime-corejs3
  • #16388 Ensure decorators are callable (@JLHwung)

:bug: Bug Fix

• babel-generator
  • #16402 fix: Correctly prints { [key in Bar]? } (@liuxingbaoyu)
  • #16394 fix: Correctly generate TSMappedType (@liuxingbaoyu)
• babel-compat-data, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-preset-env
  • #16390 Create bugfix plugin for classes in computed keys in Firefox (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16387 fix: support mutated outer decorated class binding (@JLHwung)
  • #16385 fix: Decorators when super() exists and protoInit is not needed (@liuxingbaoyu)
• babel-plugin-transform-block-scoping
  • #16384 fix: Transform scoping for for X in loop (@liuxingbaoyu)
  • #16368 fix: Capture let when the for body is not a block (@liuxingbaoyu)
• babel-core, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping
  • #16363 Fix incorrect function hoisting in some case statements (@luiscubal)

Committers: 7

• Babel Bot (@babel-bot)
• Dunqing (@Dunqing)
• Huáng Jùnliàng (@JLHwung)
• Luís Reis (@luiscubal)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Samual Norman (@samualtnorman)
• @liuxingbaoyu

v7.24.3 (2024-03-20)

Thanks @ota-meshi for your first PR!

:bug: Bug Fix

• babel-helper-module-imports
  • #16370 fix: do not inject the same imported identifier multiple times (@ota-meshi)

Committers: 2

• Nicolò Ribaudo (@nicolo-ribaudo)
• Yosuke Ota (@ota-meshi)

v7.24.2 (2024-03-19)

:bug: Bug Fix

• babel-code-frame, babel-highlight
  • #16362 Restore previous FORCE_COLOR=0 behavior (@nicolo-ribaudo)

Committers: 1

• Nicolò Ribaudo (@nicolo-ribaudo)

v7.24.1 (2024-03-19)

:bug: Bug Fix

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16350 Fix decorated class computed keys ordering (@JLHwung)
  • #16344 Fix decorated class static field private access (@JLHwung)
• babel-plugin-proposal-decorators, babel-plugin-proposal-json-modules, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env
  • #16329 Respect moduleName for @babel/runtime/regenerator imports (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties
  • #16331 Fix decorator memoiser binding kind (@JLHwung)
• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties
  • #16325 Fix decorator evaluation private environment (@JLHwung)

:memo: Documentation

• #16319 Update SECURITY.md (@nicolo-ribaudo)

:house: Internal

• babel-code-frame, babel-highlight
  • #16359 Replace chalk with picocolors (@nicolo-ribaudo)
• babel-helper-fixtures, babel-helpers, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow
  • #16352 Run Babel transform tests on old node if possible (@JLHwung)
• babel-helper-module-imports, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-json-modules, babel-plugin-proposal-record-and-tuple, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
  • #16349 Support merging imports in import injector (@nicolo-ribaudo)
• Other
  • #16332 Test Babel 7 plugins compatibility with Babel 8 core (@nicolo-ribaudo)

:microscope: Output optimization

• babel-helper-replace-supers, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-runtime
  • #16345 Optimize the use of assertThisInitialized after super() (@liuxingbaoyu)
• babel-plugin-transform-class-properties, babel-plugin-transform-classes
  • #16343 Use simpler assertThisInitialized more often (@liuxingbaoyu)
• babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-object-rest-spread, babel-traverse
  • #16342 Consider well-known and registered symbols as literals (@nicolo-ribaudo)
• babel-core, babel-plugin-external-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-function-bind, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-modules-systemjs, babel-plugin-transform-parameters, babel-plugin-transform-private-property-in-object, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-spread, babel-plugin-transform-typescript, babel-preset-env
  • #16326 Reduce the use of class names (@liuxingbaoyu)

Committers: 4

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Nicolò Ribaudo (@nicolo-ribaudo)
• @liuxingbaoyu

v8.0.0-alpha.7 (2024-02-28)

In addition to the changelog below, this release includes changes from v7.23.10 and v7.24.0.

:house: Internal

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16256 Remove logic for deprecated decorator versions from Babel 8 (@JLHwung)
• babel-core, babel-helper-fixtures, babel-helper-plugin-utils, babel-helper-transform-fixture-test-runner, babel-parser, babel-plugin-transform-runtime, babel-preset-env, babel-standalone, babel-template, babel-traverse, babel-types
  • #16248 Use Object.hasOwn when available (@nicolo-ribaudo)
• babel-core, babel-plugin-transform-object-rest-spread
  • #16209 chore: Helper changes for Babel 8 (@liuxingbaoyu)

Committers: 7

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Nicolò Ribaudo (@nicolo-ribaudo)
• SUZUKI Sosuke (@sosukesuzuki)
• Yarden Shoham (@yardenshoham)
• @liuxingbaoyu
• flyafly (@ajihyf)

v7.24.0 (2024-02-28)

Thanks @ajihyf for your first PR!

Release post with summary and highlights: https://babeljs.io/7.24.0

:rocket: New Feature

• babel-standalone
  • #11696 Export babel tooling packages in @babel/standalone (@ajihyf)
• babel-core, babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-transform-class-properties
  • #16267 Implement noUninitializedPrivateFieldAccess assumption (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-decorators, babel-plugin-transform-class-properties, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #16242 Support decorator 2023-11 normative updates (@JLHwung)
• babel-preset-flow
  • #16309 [babel 7] Allow setting ignoreExtensions in Flow preset (@nicolo-ribaudo)
  • #16284 Add experimental_useHermesParser option in preset-flow (@liuxingbaoyu)
• babel-helper-import-to-platform-api, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-json-modules, babel-standalone
  • #16172 Add transform support for JSON modules imports (@nicolo-ribaudo)
• babel-plugin-transform-runtime
  • #16241 Add back moduleName option to @babel/plugin-transform-runtime (@nicolo-ribaudo)
• babel-parser, babel-types
  • #16277 Allow import attributes for TSImportType (@sosukesuzuki)

:bug: Bug Fix

• babel-plugin-proposal-do-expressions, babel-traverse
  • #16305 fix: avoid popContext on unvisited node paths (@JLHwung)
• babel-helper-create-class-features-plugin, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object
  • #16312 Fix class private properties when privateFieldsAsSymbols (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-transform-private-methods
  • #16307 Fix the support of arguments in private get/set method (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators
  • #16287 Reduce decorator static property size (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16281 Fix evaluation order of decorators with cached receiver (@nicolo-ribaudo)
  • #16279 Fix decorator this memoization (@JLHwung)
  • #16266 Preserve static on decorated private accessor (@nicolo-ribaudo)
  • #16258 fix: handle decorated async private method and generator (@JLHwung)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-typescript, babel-preset-env
  • #16275 Fix class private properties when privateFieldsAsProperties (@liuxingbaoyu)
• babel-helpers
  • #16268 Do not consider arguments in a helper as a global reference (@nicolo-ribaudo)
• babel-helpers, babel-plugin-proposal-decorators
  • #16270 Handle symbol key class elements decoration (@JLHwung)
  • #16265 Do not define access.get for public setter decorators (@nicolo-ribaudo)

:nail_care: Polish

• babel-core, babel-helper-create-class-features-plugin, babel-preset-env
  • #12428 Suggest using BABEL_SHOW_CONFIG_FOR for config problems (@nicolo-ribaudo)

:house: Internal

• babel-helper-transform-fixture-test-runner
  • #16278 Continue writing output.js when exec.js throws (@liuxingbaoyu)

:microscope: Output optimization

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16306 Avoid intermediate functions for private accessors with decs (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties
  • #16294 More aggressively inline decorators in the static block (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-transform-private-methods
  • #16283 Do not use classPrivateMethodGet (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators
  • #16287 Reduce decorator static property size (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties
  • #16280 Reduce element decorator temp variables (@JLHwung)
• babel-helper-create-class-features-plugin, babel-helper-fixtures, babel-helpers, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-optional-chaining-assign, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #16261 Do not use descriptors for private class elements (@nicolo-ribaudo)
• babel-helpers, babel-plugin-proposal-decorators
  • #16263 Reduce helper size for decorator 2023-11 (@liuxingbaoyu)

Committers: 7

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Nicolò Ribaudo (@nicolo-ribaudo)
• SUZUKI Sosuke (@sosukesuzuki)
• Yarden Shoham (@yardenshoham)
• @liuxingbaoyu
• flyafly (@ajihyf)

v7.23.10 (2024-01-31)

:bug: Bug Fix

• Other
  • #16240 [eslint] Include field decorators in scope analysis (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16235 Fix protoInit call injection timing (@JLHwung)

Committers: 3

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Nicolò Ribaudo (@nicolo-ribaudo)

v8.0.0-alpha.6 (2024-01-26)

In addition to the changelog below, this release includes changes from v7.23.7, v7.23.8, and v7.23.9.

:nail_care: Polish

• babel-register
  • #16005 Use @cspotcode/source-map-support in @babel/register (@liuxingbaoyu)

Committers: 5

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Nicolò Ribaudo (@nicolo-ribaudo)
• @liuxingbaoyu
• coderaiser (@coderaiser)

v7.23.9 (2024-01-25)

:bug: Bug Fix

• babel-helper-transform-fixture-test-runner, babel-plugin-transform-function-name, babel-plugin-transform-modules-systemjs, babel-preset-env
  • #16225 fix: systemjs re-traverses helpers (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16226 Improve decorated private method check (@JLHwung)
• babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-runtime, babel-preset-env
  • #16224 Properly sort core-js@3 imports (@nicolo-ribaudo)
• babel-traverse
  • #15383 fix: Don't throw in getTypeAnnotation when using TS+inference (@liuxingbaoyu)
• Other
  • #16210 [eslint] Fix no-use-before-define for class ref in fields (@nicolo-ribaudo)

:house: Internal

• babel-core, babel-parser, babel-template
  • #16222 Migrate eslint-parser to cts (@liuxingbaoyu)
• babel-types
  • #16213 Remove @babel/types props that are not produced by the parser (@liuxingbaoyu)

:running_woman: Performance

• babel-parser
  • #16072 perf: Improve parser performance for typescript (@liuxingbaoyu)

:microscope: Output optimization

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-new-target, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-preset-env
  • #16218 Improve temporary variables for decorators (@liuxingbaoyu)
• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #15959 Improve output of using (@liuxingbaoyu)

Committers: 4

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Nicolò Ribaudo (@nicolo-ribaudo)
• @liuxingbaoyu