@babel/runtime-corejs2

:eyeglasses: Spec Compliance

• babel-parser

  • Don't accept '\08' or '\09' in strict mode. (@danez)

  • Correctly check for-in and for-of loop for invalid left-hand side. (@danez)

  • Parse right-hand-side of for/of as an assignment expression. (@danez)

  • [typescript] parsing template literal as type . (@tanhauhau)

:rocket: New Feature

• babel-plugin-transform-runtime

  • [runtime-corejs3] Only polyfill instance methods when it might be needed. (@nicolo-ribaudo)

:bug: Bug Fix

• babel-polyfill

  • Closes #9232, add some missed modules to @babel/polyfill/noConflict. (@zloirock)

• babel-cli

  • Upgrade lodash to 4.17.11. (@danez)

• babel-helper-module-transforms, babel-plugin-transform-modules-commonjs

  • Fix lazy option of babel-plugin-transform-modules-commonjs. (@AndreasCag)

• babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods

  • Fix super method call in private instance method calling overridden method. (@MattiasBuelens)

• babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring

  • Destructuring: Fix handling of impure computed keys with object rest. (@motiz88)

• babel-plugin-transform-destructuring

  • Destructuring: Fix array unpacking assignments with holes on RHS. (@motiz88)

• babel-traverse

  • @babel/traverse: Fix NodePath.getData. (@71)

• babel-parser

  • Allow HTML comments on first line. (@danez)

  • Fix compatibility between estree and TS plugin. (@danez)

• babel-helpers

  • Allow coreJS Symbol to be type object. (@conartist6)

• babel-preset-env

  • Normalize core-js entry points. (@zloirock)

:nail_care: Polish

• babel-parser

  • Optimize parseBindingAtom code to get better error messages. (@danez)

• babel-core, babel-plugin-transform-for-of

  • Move array reference into for head initializer. (@danez)

:house: Internal

• Other

  • Update test262. (@danez)

• babel-parser, babel-preset-typescript

  • Explicit labels for tokenTypes. (@danez)