@babel/runtime-corejs2

Thanks @wsypower for your first PR!

:eyeglasses: Spec Compliance

• babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes

  • fix: Deleting super property should throw (@SuperSodaSea)

• babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-object-super

  • fix: Throw correct error types from sed ant class TDZ helpers (@SuperSodaSea)

:bug: Bug Fix

• babel-parser, babel-plugin-transform-typescript

  • fix: Support auto accessors with TypeScript annotations (@liuxingbaoyu)

• babel-traverse

  • Fix .parentPath after rename in SwitchCase (@nicolo-ribaudo)

• babel-plugin-transform-typescript, babel-traverse

  • fix: Ts import type and func with duplicate name (@liuxingbaoyu)

• babel-plugin-transform-block-scoping

  • Fix tdz analysis for reassigned captured for bindings (@nicolo-ribaudo)

• babel-plugin-proposal-async-generator-functions, babel-preset-env

  • fix: Transform for await with shadowed variables (@liuxingbaoyu)

• babel-generator, babel-plugin-proposal-optional-chaining

  • fix: Correctly generate (a ?? b) as T (@liuxingbaoyu)

• babel-plugin-transform-react-jsx, babel-types

  • fix: Emit correct sourcemap ranges for JSXText (@liuxingbaoyu)

• babel-core, babel-helpers, babel-plugin-transform-computed-properties, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

  • fix: Computed properties should keep original definition order (@SuperSodaSea)

• babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes

  • fix: Deleting super property should throw (@SuperSodaSea)

• babel-generator

  • fix: Print newlines for leading Comments of TSEnumMember (@liuxingbaoyu)

:nail_care: Polish

• babel-plugin-transform-block-scoping, babel-traverse

  • Improve relative execution tracking in fn exprs (@nicolo-ribaudo)

:house: Internal

• babel-helper-define-map, babel-plugin-transform-property-mutators

  • Inline & simplify @babel/helper-define-map (@nicolo-ribaudo)

• babel-core, babel-plugin-proposal-class-properties, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-parameters, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-traverse

  • Rewrite transform-block-scoping plugin (@nicolo-ribaudo)

:running_woman: Performance

• babel-helper-compilation-targets

  • perf: Speed up getTargets (@liuxingbaoyu)