@babel/runtime-corejs2

Thanks @airato, @schu34, @divbhasin, @eps1lon and @pnavarrc for their first PRs! :smile:

:bug: Bug Fix

• babel-parser

  • Fix location for optional params in arrow functions (@danez)

  • Avoid unnecessary work during lookahead (@danez)

  • fix: allow shebang directive (@tanhauhau)

• babel-preset-env

  • Update preset-env dependencies and fix fixtures (@danez)

  • Fix mobile browsers support in preset-env (@nicolo-ribaudo)

  • Fix destructuring assignments being transpiled for edge 15 (@eps1lon)

• babel-plugin-transform-typescript

  • fix(typescript): erase type exports (@airato)

:nail_care: Polish

• babel-parser

  • Do not use lookahead when parsing construct signature declarations in TS (@danez)

  • Only compute Position if not already in state (@danez)

  • Do not use lookahead when parsing jsx expression containers (@danez)

  • Do not use lookahead when parsing imports in declare module in flow (@danez)

  • Do not use lookahead when parsing declare module or declare module.exports in flow (@danez)

  • Do not use lookahead when parsing dynamic import or import.meta (@danez)

  • Remove guardedHandlers from ASTs (@danez)

• babel-preset-env

  • use console.warn for warning (@schu34)

• babel-core

  • Fixed null error in plugin opts and added a test for it (@divbhasin)

• babel-core, babel-traverse

  • Add missing space in error messages (@pnavarrc)

:house: Internal

• babel-node

  • [babel-node] Do not hardcode node flags (@nicolo-ribaudo)