Babel (Formerly 6to5) changelog

Changelog History

Page 8

• v7.12.15 Changes

  February 04, 2021

  :bug: Bug Fix

  • 📜 babel-parser
    • #12757 fix(ts): include leading operator in TSUnionType and TSIntersectionType locations (@fedeci)
  • babel-generator
    • #12755 Respect the jsescOption.minimal generator option (@nicolo-ribaudo)

  :house: Internal

  • 💻 #12752 Allow publishing patch versions from the GH UI (@nicolo-ribaudo)

• v7.12.14 Changes

  February 03, 2021

  :bug: Bug Fix

  • 📜 babel-parser
    • #12748 fix(ts): allow abstract methods with export default abstract class (@fedeci)

  :house: Internal

  • babel-core
    • #12740 test: add tests on {parser,generator}Override (@JLHwung)

• v7.12.13 Changes

  February 03, 2021

  :eyeglasses: Spec Compliance

  • 📜 babel-parser
    • #12661 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
    • #12689 fix: throw error when accessing private method without a getter (@fedeci)
  • 🔌 babel-plugin-transform-computed-properties, babel-plugin-transform-shorthand-properties
    • #12664 fix: correctly transform __proto__ properties (@ExE-Boss)

  :bug: Bug Fix

  • 🔌 babel-plugin-proposal-class-properties, babel-traverse
    • #12729 Fix class fields when super() is in a default param (@nicolo-ribaudo)
  • 🔌 babel-plugin-proposal-class-properties, babel-plugin-transform-classes
    • #12723 Define class elements in the correct order (@nicolo-ribaudo)
  • 📜 babel-parser, babel-template
    • #12725 Permit %%placeholder%% in left-hand-side of a let declaration (@Zalathar)
  • ✅ babel-core, babel-helper-transform-fixture-test-runner, babel-register
    • #12728 Don't use require() in ESM files (@nicolo-ribaudo)
  • 📜 babel-parser
    • #12686 (ts) Raise syntax error for an abstract method in non-abstract class (@sosukesuzuki)
    • #12684 fix(parser): throw error with wrong typescript 'export declare' (@fedeci)
    • #12520 Raise recoverable error for await expressions in sync functions (@sosukesuzuki)
    • #12678 fix: start TypePredicate node after returnToken (@JLHwung)
    • #12599 @babel/preset-typescript: fix tsx assigment issue (@Zzzen)
    • #12562 [ts]Add optional property to OptionalCallExpression node that has type arguments (@sosukesuzuki)
  • 🔌 babel-helpers, babel-plugin-transform-classes
    • #12693 Avoid hitting proto in _inheritsLoose (@ChALkeR)
  • babel-generator
    • #12653 fix: avoid line breaks between class members head and key (@JLHwung)
  • babel-register
    • #12665 fix: babel-register transform internal dependencies (@overlookmotel)
  • babel-node
    • #12638 fix: place _babel-node after process.execArgv (@JLHwung)
  • babel-types
    • #12602 fix: cloneNode(deep, withoutLoc) handles absent comments (@FauxFaux)
    • #12575 Use isIdentifierChar instead of regex for toIdentifier (@mischnic)
  • 🔌 babel-plugin-transform-modules-systemjs
    • #12612 [systemjs] Fix: export star alongside with named export (@shrinktofit)
  • 🔌 babel-plugin-transform-for-of
    • #12611 Transform labeled for-of inside braceless if statement (@nicolo-ribaudo)
  • 🔌 babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-transform-classes
    • #12544 Correctly access shadowed class binding in super.* (@Zzzen)
  • 🔌 babel-helper-module-imports, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
    • #12546 Load jsx-runtime after existing imports (@nicolo-ribaudo)

  💅 :nail_care: Polish

  • ✅ babel-helper-transform-fixture-test-runner, babel-parser, babel-preset-env
    • #12716 refactor: raise AwaitNotInAsyncContext when an AwaitExpression will be parsed (@JLHwung)
  • 📜 babel-cli, babel-core, babel-parser
    • #12437 Recover from "missing semicolon" errors (@nicolo-ribaudo)
  • 🔌 babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods
    • #12713 Add # to the private name in "write-only" errors (@nicolo-ribaudo)
  • babel-helper-compilation-targets, babel-preset-env
    • #12626 fix: print warning messages to stderr (@JLHwung)
  • babel-code-frame
    • #12567 fix(code-frame): do not pad gutter of empty lines (@SimenB)

  📚 :memo: Documentation

  • Other
    • #12698 Add " 📢 Deprecation" to the changelog labels (@nicolo-ribaudo)
  • 🏗 babel-cli, babel-code-frame, babel-compat-data, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-bindify-decorators, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, babel-helper-call-delegate, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-define-map, babel-helper-explode-assignable-expression, babel-helper-explode-class, babel-helper-fixtures, babel-helper-function-name, babel-helper-get-function-arity, babel-helper-hoist-variables, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-optimise-call-expression, babel-helper-plugin-test-runner, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-split-export-declaration, babel-helper-transform-fixture-test-runner, babel-helper-wrap-function, babel-helpers, babel-highlight, babel-node, babel-parser, babel-plugin-external-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-do-expressions, babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-json-strings, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-nullish-coalescing-operator, babel-plugin-proposal-numeric-separator, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-catch-binding, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-throw-expressions, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-class-properties, babel-plugin-syntax-class-static-block, babel-plugin-syntax-decorators, babel-plugin-syntax-do-expressions, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-jsx, babel-plugin-syntax-module-string-names, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-top-level-await, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-keys, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-literals, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-new-target, babel-plugin-transform-object-assign, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-parameters, babel-plugin-transform-property-literals, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, babel-plugin-transform-strict-mode, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-plugin-transform-unicode-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-runtime-corejs2, babel-runtime, babel-standalone, babel-template, babel-traverse, babel-types
    • #12531 docs: add package-specific documentation links (@DanArthurGallagher)

  :house: Internal

  • babel-traverse, babel-types
    • #12296 Use native ESM for dev scripts (@karansapolia)
  • babel-register
    • #12674 babel-register run default register with global module cache (@overlookmotel)
  • Other
    • #12659 Add yarn-plugin-conditions to update Babel 8 dependencies (@nicolo-ribaudo)
    • #12640 test: reuse lodash library within eslint tests (@armano2)
    • #12592 Remove remaining references to lerna (@nicolo-ribaudo)
  • babel-generator, babel-preset-env
    • #12670 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
    • #12615 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
    • #12588 Declare template objects inline (@nicolo-ribaudo)
  • 🔌 babel-plugin-transform-react-jsx
    • #12557 Optimize jsx spreads of object expressions (@bz2)

• v7.12.12 Changes

  December 23, 2020

  :bug: Bug Fix

  • 🔌 babel-plugin-transform-block-scoping, babel-traverse
    • #12530 skip discriminant when renamer starts from SwitchStatement. Closes #12148 (@Zzzen)
  • babel-types
    • #12521 Restore @babel/types support for old TS versions (@nicolo-ribaudo)
  • 🔌 babel-plugin-transform-block-scoping
    • #12512 Fix annex B block function hoisting semantics (@nicolo-ribaudo)

  :house: Internal

  • babel-polyfill
    • #12541 Archive @babel/polyfill (@nicolo-ribaudo)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
    • #12524 refactor: Move react-jsx-development implementation into react-jsx (@nicolo-ribaudo)
  • ✅ babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-decorators
    • #12130 Remove babel polyfill from fixture test runner (@JLHwung)
  • Other
    • #12527 Update release-tool and define implicit deps for @babel/runtime (@nicolo-ribaudo)
    • #12011 Enable PnP linker on CI build job (@JLHwung)

• v7.12.11 Changes

  December 16, 2020

  :eyeglasses: Spec Compliance

  • 📜 babel-parser
    • #12366 Disallow non octal decimal escape before use strict (@JLHwung)

  :bug: Bug Fix

  • 🔌 babel-plugin-transform-block-scoping
    • #11801 fix: handle block-level function declaration (#10046) (@vitorveiga)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
    • #12493 Lazily inject imports to the JSX runtime (@nicolo-ribaudo)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-preset-react
    • #12495 Fixed issue with skipping over self & source generated by another instance (@Andarist)
  • babel-preset-env
    • #10862 Add js extension to preset-env generated polyfill imports (@JLHwung)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx
    • #12479 Setup JSX runtime even if the file doesn't contain JSX (@nicolo-ribaudo)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-preset-react
    • #12475 Fixed a regression for multiple **self & **source props with classic runtime (@Andarist)

  :house: Internal

  • babel-types
    • #12510 Improve AST node definitions in @babel/types (@zxbodya)
  • Other
    • #12508 chore: always check yarn lock and dedupe during update (@JLHwung)
    • #12480 Avoid force trailing comma on test files (@JLHwung)
    • #12462 Run e2e tests also with BABEL_8_BREAKING (@nicolo-ribaudo)
  • 🔌 babel-plugin-transform-react-display-name, babel-plugin-transform-react-jsx
    • #12502 Reorganize some JSX-related tests (@Andarist)
  • babel-standalone, babel-types
    • #12127 Move some build steps to gulp (@JLHwung)

• v7.12.10 Changes

  December 09, 2020

  :eyeglasses: Spec Compliance

  • 📜 babel-parser
    • #12443 Make sure estree test should not throw if babel parser does not throw (@JLHwung)
    • #12375 Make sure babel parser throws exactly same recoverable errors when estree plugin is enabled (@JLHwung)

  :bug: Bug Fix

  • babel-generator
    • #12424 Fix printing BigIntLiterals/DecimalLiterals with compact option (@existentialism)
  • babel-types
    • #12418 babel-types update OptionalCallExpression to support ArgumentPlaceholder (@zxbodya)
    • #12395 Fix t.isReferenced() for named re-exports (@nicolo-ribaudo)
  • babel-traverse
    • #12394 Set correct path.context un push/unshiftContainer (@nicolo-ribaudo)

  💅 :nail_care: Polish

  • babel-preset-env
    • #12402 Clarify warning source about underspecified corejs option in preset-env. (@AndrewSouthpaw)

  📚 :memo: Documentation

  • 📜 babel-parser
    • #12449 Add StaticBlock to Table of Contents in AST spec (@sosukesuzuki)

  :house: Internal

  • Other
    • #12450 Use new CircleCI images (@nicolo-ribaudo)
    • #12453 Use Yarn 2.4.0 (@nicolo-ribaudo)
    • #12430 chore: remove travis-ci badge (@JLHwung)
    • #12397 chore: bump chokidar in glob-watcher to ^3.4.0 (@JLHwung)
  • 🔌 babel-cli, babel-node, babel-plugin-transform-runtime, babel-register
    • #12458 Use native Node.js functions when available (@nicolo-ribaudo)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
    • #12253 Stop using old JSX transform (@Andarist)
  • babel-helper-fixtures, babel-types
    • #12440 Prepare codebase for inline Babel 8 breaking changes (@nicolo-ribaudo)
  • ✅ babel-core, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-transform-block-scoping, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol
    • #12439 Use require.resolve instead of the resolve package (@nicolo-ribaudo)
  • 📜 babel-parser
    • #12398 refactor: simplify isAwaitAllowed (@JLHwung)

• v7.12.10 Changes

  December 09, 2020

  :eyeglasses: Spec Compliance

  • 📜 babel-parser
    • #12443 Make sure estree test should not throw if babel parser does not throw (@JLHwung)
    • #12375 Make sure babel parser throws exactly same recoverable errors when estree plugin is enabled (@JLHwung)

  :bug: Bug Fix

  • babel-generator
    • #12424 Fix printing BigIntLiterals/DecimalLiterals with compact option (@existentialism)
  • babel-types
    • #12418 babel-types update OptionalCallExpression to support ArgumentPlaceholder (@zxbodya)
    • #12395 Fix t.isReferenced() for named re-exports (@nicolo-ribaudo)
  • babel-traverse
    • #12394 Set correct path.context un push/unshiftContainer (@nicolo-ribaudo)

  💅 :nail_care: Polish

  • babel-preset-env
    • #12402 Clarify warning source about underspecified corejs option in preset-env. (@AndrewSouthpaw)

  📚 :memo: Documentation

  • 📜 babel-parser
    • #12449 Add StaticBlock to Table of Contents in AST spec (@sosukesuzuki)

  :house: Internal

  • Other
    • #12450 Use new CircleCI images (@nicolo-ribaudo)
    • #12453 Use Yarn 2.4.0 (@nicolo-ribaudo)
    • #12430 chore: remove travis-ci badge (@JLHwung)
    • #12397 chore: bump chokidar in glob-watcher to ^3.4.0 (@JLHwung)
  • 🔌 babel-cli, babel-node, babel-plugin-transform-runtime, babel-register
    • #12458 Use native Node.js functions when available (@nicolo-ribaudo)
  • 🏗 babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
    • #12253 Stop using old JSX transform (@Andarist)
  • babel-helper-fixtures, babel-types
    • #12440 Prepare codebase for inline Babel 8 breaking changes (@nicolo-ribaudo)
  • ✅ babel-core, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-transform-block-scoping, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol
    • #12439 Use require.resolve instead of the resolve package (@nicolo-ribaudo)
  • 📜 babel-parser
    • #12398 refactor: simplify isAwaitAllowed (@JLHwung)

• v7.12.9 Changes

  November 24, 2020

  v7.12.9 (2020-11-24)

  🍱 🐛 Bug Fix

  • babel-traverse
    • #12391 Update pathCache in NodePath#_replaceWith (@JLHwung)

  Committers: 1

  • Huáng Jùnliàng (@JLHwung)

• v7.12.8 Changes

  November 23, 2020

  v7.12.8 (2020-11-23)

  Thanks @Hypnosphi for your first PR!

  🍱 🐛 Bug Fix

  • babel-traverse
    • #12390 Avoid infinite loops in type inference logic (@nicolo-ribaudo)
    • #12387 Initialize NodePath context when using getSibling (@nicolo-ribaudo)
  • babel-cli
    • #12382 Fix Node version check (@Hypnosphi)

  🍱 🏠 Internal

  • #12372 chore: fix watch config (@JLHwung)

  Committers: 3

  • Filipp Riabchun (@Hypnosphi)
  • Huáng Jùnliàng (@JLHwung)
  • Nicolò Ribaudo (@nicolo-ribaudo)

• v7.12.7 Changes

  November 20, 2020

  v7.12.7 (2020-11-20)

  Thanks @fraywing for your first PR!

  🍱 👓 Spec Compliance

  • 📜 babel-parser
    • #12346 refactor: reorder checkLVal parameters (@JLHwung)
    • #12327 fix: disallow all parenthesized pattern except parsing LHS (@JLHwung)

  🍱 🐛 Bug Fix

  • 📜 babel-parser
    • #12356 [ts]Fix syntax error for modifier name class methods with type parameters (@sosukesuzuki)
    • #12352 [ts]Set false to default value of TsTypePredicate.asserts (@sosukesuzuki)
    • #12333 Fix syntax error for getter and setter with typescript and estree plugin (@sosukesuzuki)
  • 🔌 babel-helper-optimise-call-expression, babel-plugin-proposal-class-properties
    • #12350 Fix: correctly transform this.#m?.(...arguments) (@JLHwung)
  • babel-compat-data, babel-preset-env
    • #12340 Fix support for polyfilling Array.prototype.values in [email protected] (@existentialism)
  • 🔌 babel-plugin-transform-modules-systemjs, babel-plugin-transform-parameters, babel-preset-env, babel-traverse
    • #12331 Use the correct context when re-using a cached NodePath (@nicolo-ribaudo)
  • 🔌 babel-plugin-proposal-numeric-separator
    • #12311 Adding includes fix for plugin-proposal-numeric-separator (@fraywing)

  💅 💅 Polish

  • babel-preset-react, babel-preset-typescript
    • #12347 refactor: use option-validator in preset-typescript (@JLHwung)
  • babel-types
    • #12341 improve asserts in generated typescript definitions (@zxbodya)

  🍱 🏠 Internal

  • babel-helper-regex
    • #12377 Archive @babel/helper-regex (@nicolo-ribaudo)
  • 🔌 babel-helper-create-regexp-features-plugin, babel-plugin-transform-sticky-regex
    • #12349 refactor: inline @babel/helper-regex usage (@JLHwung)
  • babel-core
    • #12288 Don't compile import() in development (@nicolo-ribaudo)
    • #11734 Account for ConfigItem being generated by another copy of Babel (@developit)
  • babel-preset-env
    • #12368 Bump caniuse-lite resolutions (@JLHwung)
  • Other
    • #12362 chore: fix grammar in bug template (@snitin315)
    • #12357 chore: prompt maintainer to quit make watch before publish (@JLHwung)
    • #12328 chore: remove Node.js 13 from CI (@JLHwung)
  • babel-types
    • #11883 feat(babel‑types): Add type definitions for Node assertion methods (@ExE-Boss)
  • babel-cli
    • #12322 Use [email protected] without [email protected] in @babel/cli (@nicolo-ribaudo)
  • 📜 babel-parser
    • #12326 Add typings for recordAndTuple parser plugin (@JLHwung)
  • babel-traverse
    • #12309 test: add tests about behaviour of replaceWithMultiple (@JLHwung)

  🐎 🏃‍♀️ Performance

  • babel-traverse
    • #12302 Reduce linear search on list traversing (@JLHwung)

  🍱 🔬 Output optimization

  • 🔌 babel-helper-member-expression-to-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-optional-chaining
    • #12291 optimize optional chain when expression will be cast to boolean (@JLHwung)

  Committers: 10

  • Austin Anderson (@fraywing)
  • Bogdan Savluk (@zxbodya)
  • Brian Ng (@existentialism)
  • ExE Boss (@ExE-Boss)
  • Huáng Jùnliàng (@JLHwung)
  • Jason Miller (@developit)
  • Mateusz Burzyński (@Andarist)
  • Nicolò Ribaudo (@nicolo-ribaudo)
  • Nitin Kumar (@snitin315)
  • Sosuke Suzuki (@sosukesuzuki)

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