Babel (Formerly 6to5) changelog

Changelog History

Page 7

• v7.15.2 Changes

  August 08, 2021

  :bug: Bug Fix

  • 📜 babel-parser
    • #13653 Add .errors to the @babel/parser return type definitions (@sosukesuzuki)
    • #13641 Fix array destructuring elision parsing in TS arrow functions (@nicolo-ribaudo)

• v7.15.1 Changes

  August 05, 2021

  :leftwards_arrow_with_hook: Revert

  • 🔌 babel-plugin-transform-react-display-name
    • #13637 Revert "Add display name after create context (#13501)" (@nicolo-ribaudo)

• v7.15.0 Changes

  August 04, 2021

  :eyeglasses: Spec Compliance

  • 📜 babel-parser
    • #13523 feat(ts): raise error for abstract property with initializer (@fedeci)

  :rocket: New Feature

  • 📜 babel-parser
    • #13229 Add attachComment parser option to disable comment attachment (@JLHwung)
  • babel-standalone
    • #13476 standalone: update preset-stage-* (@sosukesuzuki)
    • #13555 feat: support hack pipeline in @babel/standalone (@JLHwung)
  • 📜 babel-parser, babel-preset-env
    • #13387 Enable top-level await parsing by default (@nicolo-ribaudo)
  • 🔌 babel-plugin-transform-typescript, babel-preset-typescript
    • #13324 Support TypeScript const enums (@nicolo-ribaudo)
  • 🔌 babel-plugin-transform-typescript
    • #13528 feat(typescript): implement namespace alias (@colinaaa)
  • 🔌 babel-core, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
    • #13290 feat: add noIncompleteNsImportDetection assumption to plugin-transform-modules-commonjs (@fedeci)
  • 🔌 babel-plugin-transform-react-display-name
    • #13501 Add display name after create context (@JLHwung)
  • 🔌 babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
    • #13416 Hack-pipe proposal with % topic token (@js-choi)
  • 🔌 babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator, babel-traverse, babel-types
    • #13191 Add support for the "Hack" pipeline proposal (@js-choi)
  • 🔌 babel-plugin-transform-runtime
    • #13398 Expose @babel/eslint-parser/experimental-worker (@nicolo-ribaudo)
  • babel-compat-data, babel-helper-compilation-targets, babel-preset-env
    • #13448 Add support for rhino as a compilation target (@gausie)
  • 📜 babel-compat-data, babel-parser, babel-preset-env
    • #13554 Enable ergonomic brand checks (#priv in) by default (@nicolo-ribaudo)

  :bug: Bug Fix

  • 🔌 babel-parser, babel-plugin-transform-typescript
    • #13513 [ts] support optional chain call with generic (@lala7573)
  • 🔌 babel-plugin-transform-typescript
    • #13605 Handle typescript function overloading in a default export (@tony-go)
  • 📜 babel-parser
    • #13536 Fix %== parsing in hack pipes (@nicolo-ribaudo)
    • #13426 parser: Fix Hack/smart-pipe error positions (@js-choi)
    • #13622 fix(ts): raise error for export default interface {} (@a-tarasyuk)

  📚 :memo: Documentation

  • #13607 chore(doc): add jest specific pckg command (@tony-go)

• v7.14.9 Changes

  August 01, 2021

  :bug: Bug Fix

  • babel-traverse
    • #13596 Fix completion record for variable declarations (@addaleax)
  • 🔌 babel-plugin-proposal-class-properties, babel-plugin-transform-classes
    • #13600 Extract computed keys from the class closure (@nicolo-ribaudo)
  • 🔌 babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx
    • #13552 Don't insert __self: this within constructors of derived classes (#13550) (@SCLeoX)
  • 📜 babel-parser
    • #13581 [ts] Check if param is assignable when parsing arrow return type (@nicolo-ribaudo)
  • babel-generator, babel-traverse, babel-types
    • #13577 add 12 missing NODE_FIELDS (@jedwards1211)
  • 🔌 babel-plugin-proposal-async-generator-functions
    • #13491 Fix _step.value access in for await (@nicolo-ribaudo)

  :house: Internal

  • Other
    • #13614 Update Rollup to ~2.54.0 (@nicolo-ribaudo)
  • 📜 babel-generator, babel-helper-validator-identifier, babel-parser
    • #13606 chore: reorganize benchmarks (@JLHwung)

  🐎 :running_woman: Performance

  • 📜 babel-parser, babel-traverse
    • #13611 Replace generic __clone call by specific methods (@JLHwung)
  • babel-generator
    • #13593 Generator performance (@JLHwung)

• v7.14.8 Changes

  July 20, 2021

  :eyeglasses: Spec Compliance

  • 🔌 babel-helper-create-class-features-plugin, babel-plugin-proposal-class-static-block, babel-plugin-transform-new-target
    • #13560 fix(class-properties): replace new.target in static properties with undefined (@colinaaa)
  • 📜 babel-parser
    • #13088 Fix await binding error within static block (@JLHwung)
    • #13531 fix: disallow computed async/get/set keyword (@JLHwung)
  • 🔌 babel-helper-module-transforms, babel-helper-simple-access, babel-plugin-transform-modules-commonjs
    • #13258 Fix const violations in ESM imports when transformed to CJS (@overlookmotel)

  :bug: Bug Fix

  • 📜 babel-parser
    • #13575 Update babel-parser.d.ts (@sosukesuzuki)
    • #13548 Fix parser strictMode option (@overlookmotel)
    • #13573 Fix issue to allow module block in member expression (@nme077)
    • #13521 Overhaul comment attachment (@JLHwung)
    • #13534 Async do expression should start at async (@JLHwung)
  • 🔌 babel-plugin-transform-arrow-functions, babel-traverse
    • #12344 Fix arrow transformation when arguments is defined as variable (@snitin315)
  • babel-traverse
    • #13527 fix: accept duplicated import/variable in different module (@colinaaa)
  • babel-types
    • #13525 fix(babel-types): accept UnaryExpression in TSLiteralType (@colinaaa)
    • #13500 Add typeParameters to tagged template visitor keys (@JLHwung)

  💅 :nail_care: Polish

  • babel-core
    • #13515 Fix config validation message typo (@jaeseokk)
  • babel-cli
    • #13508 fix: sync default_extensions to babel-cli usage (@JLHwung)

  📚 :memo: Documentation

  • 🏗 #13562 Fix make generate-standalone -> make build-standalone (@sosukesuzuki)

  :house: Internal

  • babel-helpers
    • #13522 minor improvement to gulp generate-runtime-helpers error message (@lightmare)

  🐎 :running_woman: Performance

  • 📜 babel-parser
    • #13521 Overhaul comment attachment (@JLHwung)

• v7.14.7 Changes

  June 21, 2021

  :bug: Bug Fix

  • 🔌 babel-plugin-proposal-object-rest-spread
    • #13483 Don't hoist template literal keys in object-rest-spread (@lala7573)
  • 🔌 babel-plugin-transform-destructuring
    • #13482 Don't hoist template strings from destructuring keys (@lala7573)
  • babel-traverse
    • #13475 fix: remove traverse trap on NODE_ENV == "test" (@JLHwung)
  • Other
    • #13477 Add record and tuple tokens to eslint parser (@plourenco)
  • 🔌 babel-helper-member-expression-to-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-private-methods
    • #13395 fix: tagged template incorrect receiver (@sag1v)

  :house: Internal

  • 📜 babel-parser
    • #13450 Simplify token context (@JLHwung)
    • #13419 refactor(parser): remove refNeedsArrowPos (@tony-go)
  • Other
    • #13485 chore: fix comment typo (@hyaocuk)

• v7.14.6 Changes

  June 14, 2021

  :bug: Bug Fix

  • 🔌 babel-plugin-transform-spread
    • #13459 babel-plugin-transform-spread add missing argument in build calls (@zxbodya)
    • #13439 Correctly transform spreads of arrays with holes (@nicolo-ribaudo)
  • 🔌 babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs
    • #13444 fix destructuring of empty string (@lala7573)
  • 🔌 babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties
    • #13429 fix: reference to class expression in private method (@lala7573)
  • 📜 babel-parser
    • #13428 [ts] Support override modifiers for parameter properties (@sosukesuzuki)
    • #13449 Disallow JSX tag forming after TS non-null assertion (@JLHwung)

  :house: Internal

  • 🏗 #13423 Faster babel build (@JLHwung)

  🐎 :running_woman: Performance

  • 📜 babel-parser
    • #13453 Faster readRegexp (@JLHwung)

• v7.14.5 Changes

  June 09, 2021

  :eyeglasses: Spec Compliance

  • 🔌 babel-plugin-proposal-do-expressions, babel-traverse
    • #13122 fix: hoist variable declaration within do block (@JLHwung)
  • 📜 babel-parser
    • #13409 Relax import assertion key-is-type constraint (@JLHwung)

  :bug: Bug Fix

  • 📜 babel-parser
    • #13418 fix(parser): correctly parse record and tuple tokens (@fedeci)
    • #13410 fix: throw when async() call param is object with assignement (@tony-go)
    • #13396 Add support for d flag of regex literals in parser (@ota-meshi)
  • babel-helpers
    • #13404 fix generate-helpers failing in URL-encoded path (@lightmare)

  :house: Internal

  • babel-helper-hoist-variables
    • #13442 Disallow dependency cycles (@nicolo-ribaudo)
  • 📜 babel-parser
    • #13440 update test fixtures (@JLHwung)
    • #13431 Reduce exprAllowed usage (@JLHwung)
    • #13422 fix(@babel/parser): fix tokenizer context update code (@Eyoatam)
  • Other
    • #13420 chore: specify @babel/eslint-parser deps (@JLHwung)
  • 🛠 babel-cli, babel-code-frame, babel-compat-data, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, 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-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-skip-transparent-expression-wrappers, babel-helper-split-export-declaration, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helper-wrap-function, babel-helpers, babel-highlight, babel-node, babel-parser, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, 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-dynamic-import, 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-record-and-tuple, babel-plugin-proposal-throw-expressions, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-class-static-block, babel-plugin-syntax-decimal, 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-import-assertions, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-private-property-in-object, babel-plugin-syntax-record-and-tuple, 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-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, 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-corejs3, babel-runtime, babel-standalone, babel-template, babel-traverse, babel-types
    • #13363 chore: setup Yarn constraints (@merceyz)

  🐎 :running_woman: Performance

  • 📜 babel-parser
    • #13408 Use set in parser scope (@JLHwung)
    • #13386 Faster checkReservedWord (@JLHwung)
    • #13406 Back parser state exportedIdentifiers by set (@JLHwung)

• v7.14.4 Changes

  May 28, 2021

  :eyeglasses: Spec Compliance

  • 📜 babel-parser
    • #13377 disallow surrogate in the end of contextual name (@JLHwung)
    • #13328 perf: minimize identifier lookahead when parsing let (@JLHwung)
  • 🔌 babel-plugin-transform-typescript
    • #13314 [ts] Insert export {} when necessary to imply ESM (@wbinnssmith)

  :bug: Bug Fix

  • 🔌 babel-plugin-transform-typescript
    • #13381 [ts] Remove override modifier (@sosukesuzuki)
  • Other
    • #13338 Fix error when parsing ignored files with @babel/eslint-parser (@devfservant)
  • 📜 babel-parser
    • #13333 refactor: add parse*Literal parser routines (@JLHwung)

  🐎 :running_woman: Performance

  • 🔌 babel-plugin-transform-block-scoping
    • #13376 Improve performance (@sokra)
  • 📜 babel-parser
    • #13341 Faster tokenizer lookahead (@JLHwung)
    • #13328 perf: minimize identifier lookahead when parsing let (@JLHwung)

  :microscope: Output optimization

  • 🔌 babel-plugin-proposal-object-rest-spread, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring, babel-plugin-transform-react-constant-elements, babel-preset-env
    • #13384 Hoist omitted keys from object spread operator (@alanorozco)

• v7.14.3 Changes

  May 17, 2021

  :bug: Bug Fix

  • babel-core
    • #13321 Pass assumptions set in presets to plugins (@nicolo-ribaudo)
  • 📜 babel-parser
    • #13326 fix: preserve tokensLength in tryParse (@JLHwung)
    • #13325 Parse let declarations whose id starts with \ (@nicolo-ribaudo)
  • 🔌 babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block
    • #13303 Don't duplicate the base class when using constantSuper (@nicolo-ribaudo)

  :house: Internal

  • Other
    • #13313 chore: add class-static-block test262 mapping (@JLHwung)
  • 🔌 babel-plugin-transform-block-scoping
    • #13304 Add test for fixed block scoping issue (@nicolo-ribaudo)

  :microscope: Output optimization

  • 🔌 babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-class-static-block, babel-preset-env
    • #13297 Compile static blocks without the intermediate priv field step (@nicolo-ribaudo)

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