@babel/runtime-corejs2

Thanks @davydof and @SuperSodaSea for your first PRs!

:eyeglasses: Spec Compliance

• babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-traverse

  • Improve array destructuring spec compliance (@SuperSodaSea)

• babel-cli, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-runtime, babel-preset-env

  • fix: apply toPropertyKey when defining class members (@JLHwung)

• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-private-property-in-object, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

  • fix: validate rhs of in when transpiling #p in C (@JLHwung)

:bug: Bug Fix

• babel-parser

  • Parse using[foo] as computed member expression (@JLHwung)

  • Export ParseResult type (@davydof)

  • fix: parse import module, ... (@JLHwung)

• babel-helper-wrap-function, babel-preset-env, babel-traverse

  • fix: Edge cases for async functions and noNewArrow assumption (@liuxingbaoyu)

• babel-plugin-transform-arrow-functions, babel-plugin-transform-parameters, babel-traverse

  • fix: Throw error when compiling super() in arrow functions with default / rest parameters (@SuperSodaSea)

• babel-helpers, babel-node, babel-plugin-proposal-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

  • fix: Bump regenerator and add tests (@SuperSodaSea)

• babel-helper-create-regexp-features-plugin

  • fix: Update regjsparser for @babel/standalone (@liuxingbaoyu)

• babel-parser, babel-types

  • fix: Babel 8 types (@liuxingbaoyu)

• babel-generator

  • Don't print inner comments as leading when wrapping in (``) (@nicolo-ribaudo)

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

  • Register switch's discriminant in the outer scope (@nicolo-ribaudo)

:nail_care: Polish

• babel-generator

  • Improve generator behavior when comments:false (@liuxingbaoyu)

• babel-plugin-transform-block-scoping

  • Only extract IDs for TDZ checks in assign when necessary (@nicolo-ribaudo)

:house: Internal

• babel-core, babel-parser

  • Bump typescript to 4.9.3 (@JLHwung)