@babel/plugin-external-helpers 7.0.0-beta.45

v7.0.0-beta.45

on Node.js NPM

v7.0.0-beta.45 (2018-04-23)

Summary

EDIT: Released v7.0.0-beta.46
Yes, seems that it's taken that long for us to finish v7 😛

• Drop Node 4 Support (ends 4/30).
• Make Stage 2 decorators "default" (implementation is still WIP), and require people use the decoratorsLegacy option for easier migration.
• Change @babel/polyfill to not throw an error but a warning if it is imported multiple times. Also introduce another entry point without the warning
• Change how Babel handles config files regarding a lot of cases, especially for compiling node_modules. Introduce babel.config.js
  • If you are using a monorepo an a single .babelrc, you will need to change to babel.config.js like Babel itself is doing (#7784)
• Add ES2018 to @babel/preset-env: like object rest/spread, etc.
• Lots of spec and bug fixes! Shoutout to Justin (@jridgewell) and Josh (@CodingItWrong) for all the PR work for private properties!

Changelog

💥 Breaking Change

• babel-cli, babel-core, babel-preset-env, babel-register
  • #7358 Allow more flexible file-based configuration while preventing .babelrcs from breaking things. (@loganfsmyth)
• babylon
  • #7755 drop support for Node.js v4. (@boneskull)
• babel-core, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators, babel-plugin-transform-function-name, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2
  • #7734 Decorators legacy option. (@nicolo-ribaudo)

🚀 New Feature

• babel-polyfill
  • #6371 Add noConflict entry mode to @babel/polyfill. (@evan-scott-zocdoc)
• babel-cli, babel-core, babel-preset-env, babel-register
  • #7358 Allow more flexible file-based configuration while preventing .babelrcs from breaking things. (@loganfsmyth)
• babel-generator, babel-types, babylon
  • #7741 Add support for flow implements. (@existentialism)
• babel-preset-env
  • #7658 Add initial support for ES2018 in preset-env. (@existentialism)
• babel-core, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-function-bind, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-jscript, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-standalone
  • #7411 Add "use strict" directive. (@MarkusToe)
• babel-helper-transform-fixture-test-runner
  • #7679 Add option to overwrite failing output fixtures. (@jridgewell)
• babel-generator, babel-helper-define-map, babel-plugin-syntax-class-properties, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-traverse, babel-types
  • #7666 Private Properties phase 1. (@jridgewell)

👓 Spec Compliancy

• babel-helper-simple-access, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs
  • #7766 Correct update expression Number coercion. (@jridgewell)
• babel-core, babel-generator, babel-plugin-proposal-decorators, babel-types, babylon
  • #7719 Update decorators parsing. (@nicolo-ribaudo)
• babel-plugin-transform-classes
  • #7732 Fix default class super inheritance. (@jridgewell)
• babel-plugin-transform-template-literals
  • #7722 Remove tagged template literal global caching. (@jridgewell)
• babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super
  • #7691 Fix super nested class bugs. (@jridgewell)
• babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-preset-env
  • #7687 Get set helpers. (@jridgewell)

🐛 Bug Fix

• babel-helper-simple-access, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs
  • #7766 Correct update expression Number coercion. (@jridgewell)
• babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-object-super
  • #7774 Update super property get/set/call in loose mode. (@jridgewell)
• babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-transform-classes
  • #7776 Memoize computed super properties. (@jridgewell)
• babel-core, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-preset-env
  • #7772 Move subclass inheritance to end. (@jridgewell)
• babel-generator
  • #7769 [bebal-generator] fix: don't write ': ' token when name is null. (@Quramy)
• babylon
  • #7752 Fix type error. (@andy-ms)
• babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super
  • #7691 Fix super nested class bugs. (@jridgewell)
• babel-types
  • #7706 Fix literal type annotation argument number. (@hendrikniemann)
• babel-helper-function-name, babel-plugin-transform-function-name
  • #7435 Fix function name computation for literal values. (@Axnyff)
• babel-plugin-proposal-class-properties
  • #7659 Fix super in class fields.. (@nicolo-ribaudo)
• babel-plugin-proposal-optional-chaining, babel-types
  • #7668 OptionalMemberExpression properties are not referenced. (@jridgewell)

💅 Polish

• babel-helpers
  • #7745 Improve asyncIterator error. (@jquense)
• babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-traverse
  • #7737 Classes cleanup. (@jridgewell)
• babel-plugin-proposal-class-properties, babel-plugin-transform-parameters
  • #6656 Optimize class properties output. (@Andarist)
• babylon
  • #7717 Provide better error message for invalid default export declaration. (@dczombera)
• babel-helper-replace-supers, babel-plugin-transform-classes
  • #7714 Use new isInStrictMode. (@jridgewell)
• babel-plugin-transform-object-super
  • #7681 Cleanup object super traversal. (@jridgewell)

📝 Documentation

• babel-plugin-proposal-decorators, babel-preset-stage-0, babel-preset-stage-1, babel-preset-stage-2
  • #7762 Fix small typo with decorators legacy option [skip ci]. (@existentialism)
• Other
  • #7713 Add slack links to CONTRIBUTING.md. (@nicolo-ribaudo)
  • #7676 update sponsors, move up [skip ci]. (@hzoo)

🏠 Internal

• babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters
  • #7750 Move more class state out of replaceSupers. (@jridgewell)
• babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super
  • #7763 Implement MemberExpressionToFunctions helper. (@jridgewell)
• babel-helper-replace-supers, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-traverse
  • #7737 Classes cleanup. (@jridgewell)
• babel-helper-transform-fixture-test-runner
  • #7729 Drop Chai from packages. (@jridgewell)
• babel-helper-transform-fixture-test-runner, babel-plugin-proposal-class-properties, babel-plugin-proposal-optional-catch-binding, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-jscript, babel-plugin-transform-object-super
  • #7720 Migrate more packages' tests to use jest expect assertions. (@devenbansod)
• babel-cli, babel-core, babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-logical-assignment-operators, babel-preset-es2015
  • #7549 Migrate babel-cli and babel-generator tests to use jest-expect. (@devenbansod)
• babel-plugin-transform-classes, babel-traverse
  • #7712 Add Path#isInStrictMode. (@jridgewell)
• Other
  • #7708 ESLint: Ignore lerna.json and .git. (@jridgewell)
  • #7704 Use yarn provided by circle. (@existentialism)
• babel-traverse, babel-types
  • #7685 Make babel-types type checking functions 36% faster. (@devongovett)

Committers: 17

• Andy (andy-ms)
• Axel Nyffenegger (Axnyff)
• Brian Ng (existentialism)
• Christopher Hiller (boneskull)
• Dennis Czombera (dczombera)
• Deven Bansod (devenbansod)
• Devon Govett (devongovett)
• Evan Scott (evan-scott-zocdoc)
• Hendrik Niemann (hendrikniemann)
• Henry Zhu (hzoo)
• Jason Quense (jquense)
• Justin Ridgewell (jridgewell)
• Logan Smyth (loganfsmyth)
• Markus Török (MarkusToe)
• Mateusz Burzyński (Andarist)
• Nicolò Ribaudo (nicolo-ribaudo)
• Yosuke Kurami (Quramy)