Babel (Formerly 6to5) v7.6.0 release notes (2019-09-06)

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Babel (Formerly 6to5) v7.6.0 Release Notes

Release Date: 2019-09-06 // over 4 years ago

v7.6.0 (2019-09-06)

🍱 👓 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)
🍱 🚀 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 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)
💅 💅 Polish
- 🔌 babel-plugin-transform-runtime, babel-preset-env
  - #10372 Don't allow instance properties transformation on namespace (@rhyzx)
📚 📝 Documentation
- #10313 Adds note about two approval policy to PR template (@thiagoarrais)
🍱 🏠 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)
🐎 🏃‍♀ 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)
Committers: 22
- Adam Ramberg (@AdamRamberg)
- Ajay Sagar (@ajaysagar)
- Ashwin Ramaswami (@epicfaace)
- Bin Xin (@rhyzx)
- Brian Donovan (@eventualbuddha)
- Corey Farrell (@coreyfarrell)
- Daniel Tschinder (@danez)
- Dylan Kirkby (@dsgkirkby)
- Even Alander (@deificx)
- Huáng Jùnliàng (@JLHwung)
- Justin Ridgewell (@jridgewell)
- Letladi Sebesho (@Letladi)
- Nicolò Ribaudo (@nicolo-ribaudo)
- Serge Havas (@Sinewyk)
- Shrey Banga (@banga)
- Tan Li Hau (@tanhauhau)
- Thiago Arrais (@thiagoarrais)
- Tim McClure (@tim-mc)
- Vivek Nayyar (@vivek12345)
- Yuri Karadzhov (@yuri-karadzhov)
- Ziad El Khoury Hanna (@zaygraveyard)
- Sungmin Lee (@ifsnow)