Babel: v7.12.7 Release

v7.12.7 (2020-11-20)

Thanks @fraywing for your first PR!

:eyeglasses: Spec Compliance

• babel-parser
  • #12346 refactor: reorder checkLVal parameters (@JLHwung)
  • #12327 fix: disallow all parenthesized pattern except parsing LHS (@JLHwung)

:bug: Bug Fix

• babel-parser
  • #12356 [ts]Fix syntax error for modifier name class methods with type parameters (@sosukesuzuki)
  • #12352 [ts]Set false to default value of TsTypePredicate.asserts (@sosukesuzuki)
  • #12333 Fix syntax error for getter and setter with typescript and estree plugin (@sosukesuzuki)
• babel-helper-optimise-call-expression, babel-plugin-proposal-class-properties
  • #12350 Fix: correctly transform this.#m?.(...arguments) (@JLHwung)
• babel-compat-data, babel-preset-env
  • #12340 Fix support for polyfilling Array.prototype.values in core-js@2 (@existentialism)
• babel-plugin-transform-modules-systemjs, babel-plugin-transform-parameters, babel-preset-env, babel-traverse
  • #12331 Use the correct context when re-using a cached NodePath (@nicolo-ribaudo)
• babel-plugin-proposal-numeric-separator
  • #12311 Adding includes fix for plugin-proposal-numeric-separator (@fraywing)

:nail_care: Polish

• babel-preset-react, babel-preset-typescript
  • #12347 refactor: use option-validator in preset-typescript (@JLHwung)
• babel-types
  • #12341 improve asserts in generated typescript definitions (@zxbodya)

:house: Internal

• babel-helper-regex
  • #12377 Archive @babel/helper-regex (@nicolo-ribaudo)
• babel-helper-create-regexp-features-plugin, babel-plugin-transform-sticky-regex
  • #12349 refactor: inline @babel/helper-regex usage (@JLHwung)
• babel-core
  • #12288 Don't compile import() in development (@nicolo-ribaudo)
  • #11734 Account for ConfigItem being generated by another copy of Babel (@developit)
• babel-preset-env
  • #12368 Bump caniuse-lite resolutions (@JLHwung)
• Other
  • #12362 chore: fix grammar in bug template (@snitin315)
  • #12357 chore: prompt maintainer to quit make watch before publish (@JLHwung)
  • #12328 chore: remove Node.js 13 from CI (@JLHwung)
• babel-types
  • #11883 feat(babel‑types): Add type definitions for Node assertion methods (@ExE-Boss)
• babel-cli
  • #12322 Use chokidar@2 without fsevents@1 in @babel/cli (@nicolo-ribaudo)
• babel-parser
  • #12326 Add typings for recordAndTuple parser plugin (@JLHwung)
• babel-traverse
  • #12309 test: add tests about behaviour of replaceWithMultiple (@JLHwung)

:running_woman: Performance

• babel-traverse
  • #12302 Reduce linear search on list traversing (@JLHwung)

:microscope: Output optimization

• babel-helper-member-expression-to-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-optional-chaining
  • #12291 optimize optional chain when expression will be cast to boolean (@JLHwung)

Committers: 10

• Austin Anderson (@fraywing)
• Bogdan Savluk (@zxbodya)
• Brian Ng (@existentialism)
• ExE Boss (@ExE-Boss)
• Huáng Jùnliàng (@JLHwung)
• Jason Miller (@developit)
• Mateusz Burzyński (@Andarist)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Nitin Kumar (@snitin315)
• Sosuke Suzuki (@sosukesuzuki)