v7.25.7

Compare Source

🐛 Bug Fix

• babel-helper-validator-identifier
  • #​16825 fix: update identifier to unicode 16 (@​JLHwung)
• babel-traverse
  • #​16814 fix: issue with node path keys updated on unrelated paths (@​DylanPiercey)
• babel-plugin-transform-classes
  • #​16797 Use an inclusion rather than exclusion list for super() check (@​nicolo-ribaudo)
• babel-generator
  • #​16788 Fix printing of TS infer in compact mode (@​nicolo-ribaudo)
  • #​16785 Print TS type annotations for destructuring in assignment pattern (@​nicolo-ribaudo)
  • #​16778 Respect [no LineTerminator here] after nodes (@​nicolo-ribaudo)

💅 Polish

• babel-types
  • #​16852 Add deprecated JSDOC for fields (@​liuxingbaoyu)

🏠 Internal

• babel-core
  • #​16820 Allow sync loading of ESM when --experimental-require-module (@​nicolo-ribaudo)
• babel-helper-compilation-targets, babel-helper-plugin-utils, babel-preset-env
  • #​16858 Add browserslist config to external dependency (@​JLHwung)
• babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-plugin-syntax-import-reflection, babel-standalone
  • #​16809 Archive syntax-import-reflection and syntax-decimal (@​nicolo-ribaudo)
• babel-generator
  • #​16779 Simplify logic for [no LineTerminator here] before nodes (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-plugin-transform-typescript
  • #​16875 perf: Avoid extra cloning of namespaces (@​liuxingbaoyu)
• babel-types
  • #​16842 perf: Improve @​babel/types builders (@​liuxingbaoyu)
  • #​16828 Only access BABEL_TYPES_8_BREAKING at startup (@​nicolo-ribaudo)

v7.25.6

Compare Source

🐛 Bug Fix

• babel-generator
  • #​16783 Properly print inner comments in TS array types (@​nicolo-ribaudo)
  • #​16775 fix: jsx whitespace is not properly preserved when retainLines (@​liuxingbaoyu)
• babel-traverse
  • #​16727 fix: path.getAssignmentIdentifiers may be undefined (@​liuxingbaoyu)
• babel-parser
  • #​16761 fix: improve static canFollowModifier checks (@​JLHwung)
• babel-helpers, babel-plugin-transform-optional-chaining, babel-runtime-corejs3
  • #​16769 Only wrap functions in superPropertyGet helper (@​nicolo-ribaudo)

💅 Polish

• babel-generator, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env
  • #​16780 Do not enforce printing space between ( and comments (@​nicolo-ribaudo)
• babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes
  • #​16781 Don't throw when enabling both syntax-import-{assertions,attributes} (@​nicolo-ribaudo)
• babel-generator
  • #​16782 TS union/intersection nested in union does not need parens (@​nicolo-ribaudo)

🏠 Internal

• babel-generator
  • #​16777 Remove unused parent params in the generator (@​nicolo-ribaudo)

v7.25.5

Compare Source

🐛 Bug Fix

• babel-generator, babel-traverse
  • #​16764 fix: Generate parentheses correctly (@​liuxingbaoyu)

💅 Polish

• babel-generator
  • #​16738 Only force-parenthesize satisfies's LHS if it has newlines (@​nicolo-ribaudo)

v7.25.4

Compare Source

🐛 Bug Fix

• babel-traverse
  • #​16756 fix: Skip computed key when renaming (@​liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #​16755 fix: Decorator 2018-09 may throw an exception (@​liuxingbaoyu)
• babel-types
  • #​16710 Visit AST fields nodes according to their syntactical order (@​nicolo-ribaudo)
• babel-generator
  • #​16709 Print semicolon after TS export namespace as A (@​nicolo-ribaudo)

💅 Polish

• babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-typescript, babel-runtime-corejs2, babel-runtime, babel-traverse
  • #​16722 Avoid unnecessary parens around sequence expressions (@​nicolo-ribaudo)
• babel-generator, babel-plugin-transform-class-properties
  • #​16714 Avoid unnecessary parens around exported arrow functions (@​nicolo-ribaudo)
• babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-transform-object-rest-spread
  • #​16712 Avoid printing unnecessary parens around object destructuring (@​nicolo-ribaudo)

🔬 Output optimization

• babel-generator
  • #​16740 Avoid extra spaces between comments/regexps in compact mode (@​nicolo-ribaudo)

v7.25.0

Compare Source

👓 Spec Compliance

• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs3
  • #​16537 await using normative updates (@​JLHwung)
• babel-plugin-transform-typescript
  • #​16602 Ensure enum members syntactically determinable to be strings do not get reverse mappings (@​liuxingbaoyu)

🚀 New Feature

• babel-helper-create-class-features-plugin, babel-helper-function-name, babel-helper-plugin-utils, babel-helper-wrap-function, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-preset-env, babel-traverse, babel-types
  • #​16658 Move ensureFunctionName to NodePath.prototype (@​nicolo-ribaudo)
• babel-helper-hoist-variables, babel-helper-plugin-utils, babel-plugin-proposal-async-do-expressions, babel-plugin-transform-modules-systemjs, babel-traverse
  • #​16644 Move hoistVariables to Scope.prototype (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-split-export-declaration, babel-plugin-transform-classes, babel-traverse, babel-types
  • #​16645 Move splitExportDeclaration to NodePath.prototype (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-environment-visitor, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-transform-async-generator-functions, babel-plugin-transform-classes, babel-traverse
  • #​16649 Move environment-visitor helper into @babel/traverse (@​nicolo-ribaudo)
• babel-core, babel-parser
  • #​16480 Expose wether a module has TLA or not as .extra.async (@​nicolo-ribaudo)
• babel-compat-data, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-preset-env
  • #​16569 Introduce bugfix-safari-class-field-initializer-scope (@​davidtaylorhq)
• babel-plugin-transform-block-scoping, babel-traverse, babel-types
  • #​16551 Add NodePath#getAssignmentIdentifiers (@​JLHwung)
• babel-helper-import-to-platform-api, babel-plugin-proposal-json-modules
  • #​16579 Add uncheckedRequire option for JSON imports to CJS (@​nicolo-ribaudo)
• babel-helper-transform-fixture-test-runner, babel-node
  • #​16642 Allow using custom config in babel-node --eval (@​slatereax)
• babel-compat-data, babel-helper-create-regexp-features-plugin, babel-plugin-proposal-duplicate-named-capturing-groups-regex, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-preset-env, babel-standalone
  • #​16445 Add duplicate-named-capturing-groups-regex to preset-env (@​JLHwung)

🐛 Bug Fix

• babel-generator
  • #​16678 Print parens around as expressions on the LHS (@​nicolo-ribaudo)
• babel-template, babel-types
  • #​15286 fix: Props are lost when the template replaces the node (@​liuxingbaoyu)

🏠 Internal

• Other
  • #​16674 bump gulp to 5 (@​JLHwung)
• babel-generator
  • #​16651 Simplify the printing logic for ( before ambiguous tokens (@​nicolo-ribaudo)
• babel-helper-function-name, babel-plugin-transform-arrow-functions, babel-plugin-transform-function-name, babel-preset-env, babel-traverse
  • #​16652 Simplify helper-function-name logic (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-parser, babel-plugin-proposal-pipeline-operator
  • #​16461 Some minor parser performance improvements for ts (@​liuxingbaoyu)

🔬 Output optimization

• babel-plugin-transform-classes
  • #​16670 Reduce redundant assertThisInitialized (@​liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-plugin-transform-private-methods, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​16374 Improve super.x output (@​liuxingbaoyu)
• babel-plugin-transform-class-properties, babel-plugin-transform-classes
  • #​16656 Simplify output for anonymous classes with no methods (@​nicolo-ribaudo)

v7.24.10

Compare Source

🐛 Bug Fix

• babel-generator
  • #​16648 Fix parens detection for object&function in as/satisfies (@​nicolo-ribaudo)

v7.24.9

Compare Source

🐛 Bug Fix

• babel-core, babel-standalone
  • #​16639 Avoid require() call in @babel/standalone bundle (@​nicolo-ribaudo)
• babel-types
  • #​16638 fix: provide legacy typings for TS < 4.1 (@​JLHwung)

💅 Polish

• babel-generator, babel-plugin-transform-optional-chaining
  • #​16617 Avoid extra parens in TS as/satisfies (@​nicolo-ribaudo)

🏠 Internal

• babel-helper-module-transforms
  • #​16629 Lazy top-level initializations for module transforms (@​guybedford)

v7.24.8

Compare Source

👓 Spec Compliance

• babel-parser
  • #​16567 Do not use strict mode in TS declare (@​liuxingbaoyu)

🐛 Bug Fix

• babel-generator
  • #​16630 Correctly print parens around in in for heads (@​nicolo-ribaudo)
  • #​16626 Fix printing of comments in await using (@​nicolo-ribaudo)
  • #​16591 fix typescript code generation for yield expression inside type expre… (@​SreeXD)
• babel-parser
  • #​16613 Disallow destructuring assignment in using declarations (@​H0onnn)
  • #​16490 fix: do not add .value: undefined to regexp literals (@​liuxingbaoyu)
• babel-types
  • #​16615 Remove boolean props from ObjectTypeInternalSlot visitor keys (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​16566 fix: Correctly handle export import x = (@​liuxingbaoyu)

💅 Polish

• babel-generator
  • #​16625 Avoid unnecessary parens around async in for await (@​nicolo-ribaudo)
• babel-traverse
  • #​16619 Avoid checking Scope.globals multiple times (@​liuxingbaoyu)

v7.24.7

Compare Source

🐛 Bug Fix

• babel-node
  • #​16554 Allow extra flags in babel-node (@​nicolo-ribaudo)
• babel-traverse
  • #​16522 fix: incorrect constantViolations with destructuring (@​liuxingbaoyu)
• babel-helper-transform-fixture-test-runner, babel-plugin-proposal-explicit-resource-management
  • #​16524 fix: Transform using in switch correctly (@​liuxingbaoyu)

🏠 Internal

• babel-helpers, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​16525 Delete unused array helpers (@​blakewilson)

v7.24.6

Compare Source

🐛 Bug Fix

• babel-helper-create-class-features-plugin, babel-plugin-transform-class-properties
  • #​16514 Fix source maps for private member expressions (@​nicolo-ribaudo)
• babel-core, babel-generator, babel-plugin-transform-modules-commonjs
  • #​16515 Fix source maps for template literals (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #​16485 Support undecorated static accessor in anonymous classes (@​JLHwung)
  • #​16484 Fix decorator bare yield await (@​JLHwung)
• babel-helpers, babel-plugin-proposal-decorators, babel-runtime-corejs3
  • #​16483 Fix: throw TypeError if addInitializer is called after finished (@​JLHwung)
• babel-parser, babel-plugin-transform-typescript
  • #​16476 fix: Correctly parse cls.fn<C> = x (@​liuxingbaoyu)

🏠 Internal

• babel-core, babel-helpers, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​16501 Generate helper metadata at build time (@​nicolo-ribaudo)
• babel-helpers
  • #​16499 Add tsconfig.json for @babel/helpers/src/helpers (@​nicolo-ribaudo)
• babel-cli, babel-helpers, babel-plugin-external-helpers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​16495 Move all runtime helpers to individual files (@​nicolo-ribaudo)
• babel-parser, babel-traverse
  • #​16482 Statically generate boilerplate for bitfield accessors (@​nicolo-ribaudo)
• Other
  • #​16466 Migrate import assertions syntax (@​JLHwung)

v7.24.5

Compare Source

🐛 Bug Fix

• babel-plugin-transform-classes, babel-traverse
  • #​16377 fix: TypeScript annotation affects output (@​liuxingbaoyu)
• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs3
  • #​16440 Fix suppressed error order (@​sossost)
  • #​16408 Await nullish async disposable (@​JLHwung)

💅 Polish

• babel-parser
  • #​16407 Recover from exported using declaration (@​JLHwung)

🏠 Internal

• Other
  • #​16414 Relax ESLint peerDependency constraint to allow v9 (@​liuxingbaoyu)
• babel-parser
  • #​16425 Improve @babel/parser AST types (@​nicolo-ribaudo)
  • #​16417 Always pass type argument to .startNode (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-module-transforms, babel-helper-split-export-declaration, babel-helper-wrap-function, babel-helpers, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-property-in-object, babel-plugin-transform-react-jsx-self, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-traverse
  • #​16439 Make NodePath<T | U> distributive (@​nicolo-ribaudo)
• babel-plugin-proposal-partial-application, babel-types
  • #​16421 Remove JSXNamespacedName from valid CallExpression args (@​nicolo-ribaudo)
• babel-plugin-transform-class-properties, babel-preset-env
  • #​16406 Do not load unnecessary Babel 7 syntax plugins in Babel 8 (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-helpers, babel-preset-env, babel-runtime-corejs3
  • #​16357 Performance: improve objectWithoutPropertiesLoose on V8 (@​romgrk)

v7.24.4

Compare Source

👓 Spec Compliance

• babel-parser
  • #​16403 Forbid initializerless using (@​JLHwung)
• babel-helpers, babel-plugin-proposal-decorators, babel-runtime-corejs3
  • #​16388 Ensure decorators are callable (@​JLHwung)

🐛 Bug Fix

• babel-generator
  • #​16402 fix: Correctly prints { [key in Bar]? } (@​liuxingbaoyu)
  • #​16394 fix: Correctly generate TSMappedType (@​liuxingbaoyu)
• babel-compat-data, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-preset-env
  • #​16390 Create bugfix plugin for classes in computed keys in Firefox (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #​16387 fix: support mutated outer decorated class binding (@​JLHwung)
  • #​16385 fix: Decorators when super() exists and protoInit is not needed (@​liuxingbaoyu)
• babel-plugin-transform-block-scoping
  • #​16384 fix: Transform scoping for for X in loop (@​liuxingbaoyu)
  • #​16368 fix: Capture let when the for body is not a block (@​liuxingbaoyu)
• babel-core, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping
  • #​16363 Fix incorrect function hoisting in some case statements (@​luiscubal)

v7.24.1

Compare Source

🐛 Bug Fix

• babel-generator
  • #​16648 Fix parens detection for object&function in as/satisfies (@​nicolo-ribaudo)

v7.23.6

Compare Source

👓 Spec Compliance

• babel-generator, babel-parser, babel-types
  • #​16154 Remove TSPropertySignature.initializer (@​fisker)
• babel-helpers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-types
  • #​16139 Apply toPropertyKey on decorator context name (@​JLHwung)

🐛 Bug Fix

• babel-generator
  • #​16166 fix: Correctly indenting when retainLines is enabled (@​liuxingbaoyu)
• babel-helpers, babel-plugin-proposal-explicit-resource-management
  • #​16150 using: Allow looking up Symbol.dispose on a function (@​odinho)
• babel-plugin-proposal-decorators, babel-plugin-transform-class-properties
  • #​16161 Ensure the [[@​@​toPrimitive]] call of a decorated class member key is invoked once (@​JLHwung)
  • #​16148 Support named evaluation for decorated anonymous class exp (@​JLHwung)
• babel-plugin-transform-for-of, babel-preset-env
  • #​16011 fix: for of with iterableIsArray and shadowing variable (@​liuxingbaoyu)
• babel-helpers, babel-plugin-proposal-decorators, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​16144 Set function name for decorated private non-field elements (@​JLHwung)
• babel-plugin-transform-typescript
  • #​16137 Fix references to enum values with merging (@​nicolo-ribaudo)

🔬 Output optimization

• babel-helper-create-class-features-plugin, babel-plugin-transform-class-properties
  • #​16159 Reuse computed key memoiser (@​JLHwung)
• babel-helpers, babel-plugin-proposal-decorators
  • #​16160 Optimize decorator helper size (@​liuxingbaoyu)

v7.23.5

Compare Source

👓 Spec Compliance

• babel-plugin-proposal-decorators
  • #​16138 Class binding is in TDZ during decorators initialization (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-proposal-decorators
  • #​16132 Allow addInitializer in field decorator context (@​JLHwung)

🐛 Bug Fix

• babel-traverse, babel-types
  • #​16131 Do not remove bindings when removing assignment expression path (@​nicolo-ribaudo)
• babel-plugin-transform-classes
  • #​16135 Require class properties transform when compiling class with private fields (@​nicolo-ribaudo)
• babel-generator
  • #​16122 fix: Missing parentheses after line break (@​liuxingbaoyu)
• babel-helpers
  • #​16130 Fix helpers internal fns names conflict resolution (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-transform-class-properties, babel-plugin-transform-typescript
  • #​16123 Simplify class fields injetion after super() (@​nicolo-ribaudo)
• babel-generator, babel-plugin-transform-modules-commonjs, babel-plugin-transform-parameters, babel-plugin-transform-typescript, babel-traverse
  • #​16110 fix: Unexpected duplication of comments (@​liuxingbaoyu)
• babel-eslint-plugin
  • #​16023 Add @babel/eslint-plugin/no-undef to fix no-undef with accessor props (@​nicolo-ribaudo)

🔬 Output optimization

• babel-helpers
  • #​16129 Optimize decorator helper size (@​liuxingbaoyu)

v7.23.4

Compare Source

🐛 Bug Fix

• babel-generator
  • #​16104 fix: Pure comments missing parentheses (@​liuxingbaoyu)

v7.23.3

Compare Source

🐛 Bug Fix

• babel-plugin-transform-typescript
  • #​16071 Strip type-only TS namespaces (@​colinaaa)
• babel-generator
  • #​16078 Fix indentation when generating comments with concise: true (@​liuxingbaoyu)
• babel-compat-data, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-preset-env
  • [#​14295](https://redirect.github.com/babel/babel/pu