@babel/highlight

Thanks @bradzacher, @bz2, @ChALkeR, @FauxFaux, @fedeci, @karansapolia, @panzarino, @shrinktofit, and @Zalathar for your first PRs!

:eyeglasses: Spec Compliance

• babel-parser

  • spec: disable await binding identifier within static block (@JLHwung)

• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

  • fix: throw error when accessing private method without a getter (@fedeci)

• babel-plugin-transform-computed-properties, babel-plugin-transform-shorthand-properties

  • fix: correctly transform __proto__ properties (@ExE-Boss)

:bug: Bug Fix

• babel-plugin-proposal-class-properties, babel-traverse

  • Fix class fields when super() is in a default param (@nicolo-ribaudo)

• babel-plugin-proposal-class-properties, babel-plugin-transform-classes

  • Define class elements in the correct order (@nicolo-ribaudo)

• babel-parser, babel-template

  • Permit %%placeholder%% in left-hand-side of a let declaration (@Zalathar)

• babel-core, babel-helper-transform-fixture-test-runner, babel-register

  • Don't use require() in ESM files (@nicolo-ribaudo)

• babel-parser

  • (ts) Raise syntax error for an abstract method in non-abstract class (@sosukesuzuki)

  • fix(parser): throw error with wrong typescript 'export declare' (@fedeci)

  • Raise recoverable error for await expressions in sync functions (@sosukesuzuki)

  • fix: start TypePredicate node after returnToken (@JLHwung)

  • @babel/preset-typescript: fix tsx assigment issue (@Zzzen)

  • [ts]Add optional property to OptionalCallExpression node that has type arguments (@sosukesuzuki)

• babel-helpers, babel-plugin-transform-classes

  • Avoid hitting __proto__ in _inheritsLoose (@ChALkeR)

• babel-generator

  • fix: avoid line breaks between class members head and key (@JLHwung)

• babel-register

  • fix: babel-register transform internal dependencies (@overlookmotel)

• babel-node

  • fix: place _babel-node after process.execArgv (@JLHwung)

• babel-types

  • fix: cloneNode(deep, withoutLoc) handles absent comments (@FauxFaux)

  • Use isIdentifierChar instead of regex for toIdentifier (@mischnic)

• babel-plugin-transform-modules-systemjs

  • [systemjs] Fix: export star alongside with named export (@shrinktofit)

• babel-plugin-transform-for-of

  • Transform labeled for-of inside braceless if statement (@nicolo-ribaudo)

• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-transform-classes

  • Correctly access shadowed class binding in super.* (@Zzzen)

• babel-helper-module-imports, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx

  • Load jsx-runtime after existing imports (@nicolo-ribaudo)

:nail_care: Polish

• babel-helper-transform-fixture-test-runner, babel-parser, babel-preset-env

  • refactor: raise AwaitNotInAsyncContext when an AwaitExpression will be parsed (@JLHwung)

• babel-cli, babel-core, babel-parser

  • Recover from "missing semicolon" errors (@nicolo-ribaudo)

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

  • Add # to the private name in "write-only" errors (@nicolo-ribaudo)

• babel-helper-compilation-targets, babel-preset-env

  • fix: print warning messages to stderr (@JLHwung)

• babel-code-frame

  • fix(code-frame): do not pad gutter of empty lines (@SimenB)

:memo: Documentation

• Other

  • Add " 📢 Deprecation" to the changelog labels (@nicolo-ribaudo)

• Every package

  • docs: add package-specific documentation links (@DanArthurGallagher)

:house: Internal

• babel-traverse, babel-types

  • Use native ESM for dev scripts (@karansapolia)

• babel-register

  • babel-register run default register with global module cache (@overlookmotel)

• Other

  • Add yarn-plugin-conditions to update Babel 8 dependencies (@nicolo-ribaudo)

  • test: reuse lodash library within eslint tests (@armano2)

  • Remove remaining references to lerna (@nicolo-ribaudo)

• babel-generator, babel-preset-env

  • fix: allow to execute util scripts (@armano2)

• babel-core, babel-helper-compilation-targets, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-regenerator, babel-preset-env

  • Tweak helper compilation targets (@JLHwung)

:microscope: Output optimization

• babel-plugin-transform-modules-commonjs, babel-plugin-transform-template-literals, babel-plugin-transform-unicode-escapes, babel-preset-env

  • Declare template objects inline (@nicolo-ribaudo)

• babel-plugin-transform-react-jsx

  • Optimize jsx spreads of object expressions (@bz2)