Babel: v7.6.3 Release

v7.6.3 (2019-10-08)

Thanks to @hjdivad, @Basaingeal and @todofixthis for their first PRs!

: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)

Committers: 10

• Brian Ng (@existentialism)
• Corey Farrell (@coreyfarrell)
• David J. Hamilton (@hjdivad)
• Gonzalo Rodríguez (@gonzarodriguezt)
• Henry Zhu (@hzoo)
• Huáng Jùnliàng (@JLHwung)
• Jessica Franco (@Jessidhia)
• Michael J. Currie (@Basaingeal)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Tan Li Hau (@tanhauhau)