v7.23.2

Compare Source

🐛 Bug Fix

• babel-traverse
  • #​16033 Only evaluate own String/Number/Math methods (@​nicolo-ribaudo)
• babel-preset-typescript
  • #​16022 Rewrite .tsx extension when using rewriteImportExtensions (@​jimmydief)
• babel-helpers
  • #​16017 Fix: fallback to typeof when toString is applied to incompatible object (@​JLHwung)
• babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​16025 Avoid override mistake in namespace imports (@​nicolo-ribaudo)

v7.23.0

Compare Source

🚀 New Feature

• babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-import-source, babel-plugin-transform-dynamic-import
  • #​15870 Support transforming import source for wasm (@​nicolo-ribaudo)
• babel-helper-module-transforms, babel-helpers, babel-plugin-proposal-import-defer, babel-plugin-syntax-import-defer, babel-plugin-transform-modules-commonjs, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​15878 Implement import defer proposal transform support (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-types
  • #​15845 Implement import defer parsing support (@​nicolo-ribaudo)
  • #​15829 Add parsing support for the "source phase imports" proposal (@​nicolo-ribaudo)
• babel-generator, babel-helper-module-transforms, babel-parser, babel-plugin-transform-dynamic-import, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-traverse, babel-types
  • #​15682 Add createImportExpressions parser option (@​JLHwung)
• babel-standalone
  • #​15671 Pass through nonce to the transformed script element (@​JLHwung)
• babel-helper-function-name, babel-helper-member-expression-to-functions, babel-helpers, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-optional-chaining-assign, babel-plugin-syntax-optional-chaining-assign, babel-plugin-transform-destructuring, babel-plugin-transform-optional-chaining, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone, babel-types
  • #​15751 Add support for optional chain in assignments (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-proposal-decorators
  • #​15895 Implement the "decorator metadata" proposal (@​nicolo-ribaudo)
• babel-traverse, babel-types
  • #​15893 Add t.buildUndefinedNode (@​liuxingbaoyu)
• babel-preset-typescript
  • #​15913 Add rewriteImportExtensions option to TS preset (@​nicolo-ribaudo)
• babel-parser
  • #​15896 Allow TS tuples to have both labeled and unlabeled elements (@​yukukotani)

🐛 Bug Fix

• babel-plugin-transform-block-scoping
  • #​15962 fix: transform-block-scoping captures the variables of the method in the loop (@​liuxingbaoyu)

💅 Polish

• babel-traverse
  • #​15797 Expand evaluation of global built-ins in @babel/traverse (@​lorenzoferre)
• babel-plugin-proposal-explicit-resource-management
  • #​15985 Improve source maps for blocks with using declarations (@​nicolo-ribaudo)

🔬 Output optimization

• babel-core, babel-helper-module-transforms, babel-plugin-transform-async-to-generator, babel-plugin-transform-classes, babel-plugin-transform-dynamic-import, babel-plugin-transform-function-name, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
  • #​15984 Inline exports.XXX = update in simple variable declarations (@​nicolo-ribaudo)

v7.22.20

Compare Source

🏠 Internal

• babel-helper-validator-identifier
  • #​15973 Remove special-casing of U+200C and U+200D (@​nicolo-ribaudo)
• babel-plugin-transform-dotall-regex
  • #​15974 Update Unicode test fixtures (@​JLHwung)

↩️ Revert

• babel-helper-remap-async-to-generator, babel-helper-wrap-function, babel-plugin-proposal-explicit-resource-management, babel-plugin-proposal-function-sent, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-runtime, babel-preset-env
  • #​15979 Revert "Improve output when wrapping functions" (@​jjonescz)

v7.22.19

Compare Source

v7.22.19 (2023年09月14日)

Re-published 7.22.18, due to a releasing error.

v7.22.18

Compare Source

🐛 Bug Fix

• babel-helper-validator-identifier
  • #​15957 Update identifier name definitions to Unicode 15.1 (@​JLHwung)
• babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​15898 Fix transform of named import with shadowed namespace import (@​dhlolo)

↩️ Revert

• #​15965 Revert Node.js 20.6.0 bug workaround (@​nicolo-ribaudo)

v7.22.17

Compare Source

🐛 Bug Fix

• babel-core
  • #​15947 Fix compatibility with Node.js 20.6 (@​nicolo-ribaudo)
• babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
  • #​15941 Fix compiling duplicate ns imports to lazy CommonJS (@​nicolo-ribaudo)
• babel-types
  • #​15920 Make ClassDeclaration["id"] optional in babel-types (@​jordanbtucker)

🔬 Output optimization

• babel-helper-remap-async-to-generator, babel-helper-wrap-function, babel-plugin-proposal-explicit-resource-management, babel-plugin-proposal-function-sent, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-runtime, babel-preset-env
  • #​15922 Improve output when wrapping functions (e.g. async functions) (@​liuxingbaoyu)

v7.22.15

Compare Source

🐛 Bug Fix

• babel-core
  • #​15923 Only perform config loading re-entrancy check for cjs (@​nicolo-ribaudo)

🏠 Internal

• babel-cli, babel-core, babel-generator, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helpers, babel-node, babel-parser, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-async-generator-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-for-of, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-property-mutators, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-standalone, babel-template, babel-traverse, babel-types
  • #​15892 Add explicit .ts/.js extension to all imports in src (@​nicolo-ribaudo)

v7.22.11

Compare Source

🐛 Bug Fix

• babel-plugin-transform-typescript
  • #​15882 Fix: fully remove TS nested type-only exported namespaces (@​yangguansen)
• babel-types
  • #​15867 fix: definition of TS function type params (@​danez)
• babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-static-block, babel-plugin-transform-dynamic-import, babel-plugin-transform-export-namespace-from, babel-plugin-transform-json-strings, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-property-in-object
  • #​15858 fix(standalone): strip archived syntax plugins (@​JLHwung)
• babel-core
  • #​15850 Support configuring cache in ESM configs (@​nicolo-ribaudo)

🏠 Internal

• babel-parser
  • #​10940 Do not record trailing comma pos when maybeAsyncArrow: false (@​JLHwung)
• babel-core, babel-helper-compilation-targets, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decorators, babel-preset-env, babel-preset-react, babel-register, babel-traverse, babel-types
  • #​15872 enable jest/no-standalone-expect (@​JLHwung)
• babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-modules-commonjs, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15833 bump json5, terser and webpack, further minimize babel helpers (@​JLHwung)
• Other
  • #​15846 Use Babel 8.0 alpha to build babel (@​JLHwung)
  • #​15856 Exclude redundant files from publish process (@​JLHwung)

🔬 Output optimization

• babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-optional-chaining, babel-preset-env
  • #​15871 Simplify ?. output when chain result is ignored (@​nicolo-ribaudo)

v7.22.10

Compare Source

🐛 Bug Fix

• babel-plugin-transform-typescript
  • #​15799 [ts] Strip type-only namespaces (@​nicolo-ribaudo)
  • #​15798 [ts] Fix compiling extended exported nested namespace (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-new-target, babel-plugin-transform-private-methods, babel-preset-env
  • #​15701 Memoize class binding when compiling private methods and static elements (@​JLHwung)

💅 Polish

• babel-cli
  • #​15824 Add meta object to @babel/eslint-plugin (@​JLHwung)
• babel-traverse, babel-types
  • #​15661 Improve the type definition of path.isX (@​liuxingbaoyu)
• babel-generator, babel-types
  • #​15776 improve SourceLocation typing (@​JLHwung)

🏠 Internal

• Other
  • #​15818 build: generate flow typings in prepublish job (@​JLHwung)
  • #​15777 chore: bump dev dependencies and remove .eslintignore (@​JLHwung)
• babel-cli, babel-core, babel-generator, babel-helper-builder-react-jsx, babel-preset-env, babel-standalone
  • #​15794 Enable @typescript-eslint/no-redundant-type-constituents rule (@​JLHwung)
• babel-helper-compilation-targets
  • #​15811 Remove @babel/core peerDep from helper-compilation-targets (@​nicolo-ribaudo)
• babel-parser
  • #​15793 Use const enum in babel-parser (@​JLHwung)
• babel-plugin-transform-runtime, babel-traverse, babel-types
  • #​15716 chore: Use typescript-eslint@v6 with reworked configs (@​JoshuaKGoldberg)

🔬 Output optimization

• babel-plugin-transform-block-scoping, babel-plugin-transform-parameters, babel-plugin-transform-regenerator
  • #​15746 Reduce transform-block-scoping loops output size (@​liuxingbaoyu)

v7.22.9

Compare Source

🐛 Bug Fix

• babel-plugin-transform-typescript
  • #​15774 fix: Infinity in enums (@​liuxingbaoyu)

💅 Polish

• babel-generator
  • #​15757 recordAndTupleSyntaxType defaults to "hash" (@​coderaiser)

🏠 Internal

• #​15748 Migrate to eslint.config.js (@​JLHwung)
• #​15758 Use Prettier 3 stable (@​nicolo-ribaudo)

v7.22.8

Compare Source

↩️ Revert

• babel-core, babel-traverse
  • #​15754 Revert "Use NodePath#hub as part of the paths cache key" (@​nicolo-ribaudo)

v7.22.7

Compare Source

🐛 Bug Fix

• babel-generator
  • #​15719 fix: Avoid internally generating negative source maps columns (@​liuxingbaoyu)
• babel-core, babel-traverse
  • #​15725 Use NodePath#hub as part of the paths cache key (@​nicolo-ribaudo)
• Other
  • #​15747 fix: export meta from eslint-parser/experimental-worker (@​JLHwung)

🏠 Internal

• babel-core, babel-traverse
  • #​15702 Refactor visitors merging (@​nullableVoidPtr)

v7.22.6

Compare Source

🐛 Bug Fix

• babel-compat-data, babel-helper-compilation-targets, babel-preset-env
  • #​15727 Add opera mobile compat data (@​JLHwung)
• babel-plugin-transform-optional-chaining
  • #​15739 Fix transform of delete a?.b in function params (@​nicolo-ribaudo)
• babel-helper-split-export-declaration, babel-plugin-transform-modules-commonjs
  • #​15736 fix: Default export for duplicate names (@​liuxingbaoyu)
• babel-compat-data, babel-preset-env
  • #​15726 update compat-data sources (@​JLHwung)
• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs3, babel-runtime
  • #​15705 Fix handling of sync error in @@​asyncDispose (@​nicolo-ribaudo)
• babel-standalone
  • #​15707 fix: Support transforming Explicit Resource Management in stage-2 (@​liuxingbaoyu)
• babel-core
  • #​15626 fix: Works correctly with --frozen-intrinsics (@​liuxingbaoyu)

🏠 Internal

• babel-helper-create-class-features-plugin, babel-plugin-transform-classes
  • #​15700 Minor class transform cleanups (@​JLHwung)

🔬 Output optimization

• babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-transform-class-properties, babel-plugin-transform-optional-chaining, babel-plugin-transform-typescript
  • #​15740 Compress output for optional chain with multiple ?. (@​nicolo-ribaudo)
• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-property-in-object, babel-traverse
  • #​15741 Inject tmp vars in the params list of IIFEs when possible (@​nicolo-ribaudo)

v7.22.5

Compare Source

🐛 Bug Fix

• babel-preset-env, babel-standalone
  • #​15675 Fix using syntax-unicode-sets-regex in standalone (@​nicolo-ribaudo)

💅 Polish

• babel-core
  • #​15683 Suggest -transform- when resolving missing plugins (@​nicolo-ribaudo)

v7.22.1

Compare Source

🐛 Bug Fix

• babel-helper-validator-identifier
  • #​15957 Update identifier name definitions to Unicode 15.1 (@​JLHwung)
• babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​15898 Fix transform of named import with shadowed namespace import (@​dhlolo)

↩️ Revert

• #​15965 Revert Node.js 20.6.0 bug workaround (@​nicolo-ribaudo)

v7.22.0

Compare Source

🚀 New Feature

• babel-parser, babel-plugin-transform-typescript
  • #​15497 [ts] Support import ... = and export = in scripts (@​nicolo-ribaudo)
• babel-compat-data, babel-core, babel-plugin-proposal-unicode-sets-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-standalone
  • #​15636 Add unicode-sets-regex transform to preset-env (@​JLHwung)
• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​15633 Implement transform support for using declarations (@​nicolo-ribaudo)
• babel-plugin-proposal-import-attributes-to-assertions
  • #​15620 Create @babel/plugin-proposal-import-attributes-to-assertions (@​nicolo-ribaudo)
• babel-core, babel-generator, babel-parser, babel-plugin-syntax-import-attributes, babel-preset-env, babel-standalone, babel-types
  • #​15536 Add support for the updated import attributes proposal (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-traverse, babel-types
  • #​15520 Parse await using declarations (@​JLHwung)
• babel-core, babel-helper-create-regexp-features-plugin, babel-parser
  • #​15638 Enable regexp unicode sets parsing by default (@​JLHwung)
• babel-helpers, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15570 Add decorators version 2023-05 (@​nicolo-ribaudo)

💅 Polish

• babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx, babel-traverse, babel-types
  • #​15549 Improve type definitions for validators (@​liuxingbaoyu)

🏠 Internal

• babel-parser
  • #​15630 Unify parsing of import/export modifiers (type/typeof/module) (@​nicolo-ribaudo)
• babel-compat-data, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-proposal-decorators, babel-plugin-proposal-duplicate-named-capturing-groups-regex, babel-plugin-transform-async-generator-functions, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #​15531 Allow polyfill providers to specify custom @babel/runtime pkg (@​nicolo-ribaudo)
• babel-core, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-dynamic-import, babel-plugin-proposal-export-namespace-from, 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-pipeline-operator, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-unicode-property-regex, babel-preset-env, babel-standalone
  • #​15614 Rename -proposal-s that became standard to -transform- (@​nicolo-ribaudo)

v7.21.8

Compare Source

👓 Spec Compliance

• babel-parser
  • #​15602 Remove using await restriction in explicitResourceManagement (@​JLHwung)

🐛 Bug Fix

• babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin
  • #​15605 Fix backward compat for semver checks in class&regexp feat plugins (@​nicolo-ribaudo)

v7.21.5

Compare Source

👓 Spec Compliance

• babel-generator, babel-parser, babel-types
  • #​15539 fix: Remove mixins and implements for DeclareInterface and InterfaceDeclaration (@​liuxingbaoyu)

🐛 Bug Fix

• babel-core, babel-generator, babel-plugin-transform-modules-commonjs, babel-plugin-transform-react-jsx
  • #​15515 fix: ) position with createParenthesizedExpressions (@​liuxingbaoyu)
• babel-preset-env
  • #​15580 Add syntax import meta to preset env (@​JLHwung)

💅 Polish

• babel-types
  • #​15546 Improve the layout of generated validators (@​liuxingbaoyu)
• babel-core
  • #​15535 Use lt instead of lte to check TS version for .cts config (@​nicolo-ribaudo)

🏠 Internal

• babel-core
  • #​15575 Use synchronous import.meta.resolve (@​nicolo-ribaudo)
• babel-helper-fixtures, babel-preset-typescript
  • #​15568 Handle .overrides and .env when resolving plugins/presets from fixture options (@​JLHwung)
• babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin
  • #​15548 Use semver package to compare versions (@​nicolo-ribaudo)

v7.21.4

Compare Source

🐛 Bug Fix

• babel-core, babel-helper-module-imports, babel-preset-typescript
  • #​15478 Fix support for import/export in .cts files (@​liuxingbaoyu)
• babel-generator
  • #​15496 Fix compact printing of non-null assertion operators (@​rtsao)

💅 Polish

• babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-transform-typescript, babel-traverse
  • #​15427 Fix moving comments of removed nodes (@​nicolo-ribaudo)

🏠 Internal

• Other
  • #​15519 Update Prettier integration test (@​fisker)
• babel-parser
  • #​15510 refactor: introduce lookaheadInLineCharCode (@​JLHwung)
• babel-code-frame, babel-highlight
  • #​15499 Polish babel-code-frame highlight test (@​JLHwung)

v7.21.3

Compare Source

👓 Spec Compliance

• babel-parser
  • #​15479 disallow mixins/implements in flow interface (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​15423 [ts] Allow keywords in tuple labels (@​Harpica)
• babel-plugin-transform-typescript
  • #​15489 Register var decls generated by import ... = TS transform (@​amoeller)
  • #​15494 fix: Consider export { type foo } as type-only usage (@​magic-akari)

💅 Polish

• babel-traverse, babel-types
  • #​15484 Skip node deprecation warnings when used by an old @babel package (@​nicolo-ribaudo)
• babel-generator
  • #​15480 chore: Improve jsonCompatibleStrings deprecation (@​liuxingbaoyu)

🏠 Internal

• #​15465 Add ESLint-readable package name (@​nzakas)

🔬 Output optimization

• babel-plugin-transform-typescript, babel-preset-typescript
  • #​15467 Optimize TS enums output (@​liuxingbaoyu)

v7.21.0

Compare Source

🚀 New Feature

• babel-core, babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object
  • #​15435 feat: Implement privateFieldsAsSymbols assumption for classes (@​fwienber)
• babel-helper-create-regexp-features-plugin, babel-plugin-proposal-regexp-modifiers, babel-standalone
  • #​15226 feat: Support regexp modifiers proposal (@​liuxingbaoyu)
• babel-cli, babel-core, babel-generator, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-plugin-transform-react-jsx, babel-traverse
  • #​15022 feat: Generate sourcemaps of friendly call frames (@​liuxingbaoyu)
• babel-parser, babel-types
  • #​15384 [ts] Support const modifier in type parameters (@​nicolo-ribaudo)
• babel-generator, babel-helpers, babel-parser, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15405 Implement decorators as presented at 2023-01 TC39 meeting (@​nicolo-ribaudo)
• babel-parser
  • #​15114 Parser option to allow new.target outside functions (@​overlookmotel)
  • #​15320 Add annexb: false parser option to disable Annex B (@​nicolo-ribaudo)
• babel-core
  • #​15283 feat: Support .cts as configuration file (@​liuxingbaoyu)
• babel-generator, babel-parser, babel-plugin-transform-typescript
  • #​15381 [ts] Support export type * from (@​nicolo-ribaudo)

🐛 Bug Fix

• babel-plugin-transform-typescript
  • #​15379 [ts5.0] Better inlining of constants in enums (@​liuxingbaoyu)
• babel-core
  • #​15366 handling circular/shared structures in deep-clone (@​azizghuloum)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-private-methods, babel-plugin-transform-classes, babel-plugin-transform-new-target
  • #​15406 Preserve class elements comments in class transform (@​JLHwung)
• babel-parser, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-types
  • #​15414 [ts] Fix restrictions for optional parameters (@​nicolo-ribaudo)

💅 Polish

• babel-parser
  • #​15400 polish: improve "await as identifier" error in modules (@​JLHwung)

🏠 Internal

• babel-core
  • #​15137 Improve CJS compat with ESM-based @babel/core (@​nicolo-ribaudo)

🔬 Output optimization

• babel-plugin-transform-typescript
  • #​15418 [ts] Handle exponentiation operator in constant folding (@​ehoogeveen-medweb)

v7.20.12

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🐛 Bug Fix

• babel-traverse
  • #​15224 Fix TaggedTemplateLiteral evaluation (@​nmn)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties
  • #​15312 fix: delete this in static class properties initialization (@​SuperSodaSea)

💅 Polish

• babel-traverse
  • #​15313 Implement support for evaluating computed properties. (@​JBYoshi)

v7.20.7

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👓 Spec Compliance

• babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
  • #​15223 fix: Deleting super property should throw (@​SuperSodaSea)
• babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-object-super
  • #​15241 fix: Throw correct error types from sed ant class TDZ helpers (@​SuperSodaSea)

🐛 Bug Fix

• babel-parser, babel-plugin-transform-typescript
  • #​15209 fix: Support auto accessors with TypeScript annotations (@​liuxingbaoyu)
• babel-traverse
  • #​15287 Fix .parentPath after rename in SwitchCase (@​nicolo-ribaudo)
• babel-plugin-transform-typescript, babel-traverse
  • #​15284 fix: Ts import type and func with duplicate name (@​liuxingbaoyu)
• babel-plugin-transform-block-scoping
  • #​15278 Fix tdz analysis for reassigned captured for bindings (@​nicolo-ribaudo)
• babel-plugin-proposal-async-generator-functions, babel-preset-env
  • #​15235 fix: Transform for await with shadowed variables (@​liuxingbaoyu)
• babel-generator, babel-plugin-proposal-optional-chaining
  • #​15258 fix: Correctly generate (a ?? b) as T (@​liuxingbaoyu)
• babel-plugin-transform-react-jsx, babel-types
  • #​15233 fix: Emit correct sourcemap ranges for JSXText (@​liuxingbaoyu)
• babel-core, babel-helpers, babel-plugin-transform-computed-properties, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15232 fix: Computed properties should keep original definition order (@​SuperSodaSea)
• babel-helper-member-expression-to-functions, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
  • #​15223 fix: Deleting super property should throw (@​SuperSodaSea)
• babel-generator
  • #​15216 fix: Print newlines for leading Comments of TSEnumMember (@​liuxingbaoyu)

💅 Polish

• babel-plugin-transform-block-scoping, babel-traverse
  • #​15275 Improve relative execution tracking in fn exprs (@​nicolo-ribaudo)

🏠 Internal

• babel-helper-define-map, babel-plugin-transform-property-mutators
  • #​15274 Inline & simplify @babel/helper-define-map (@​nicolo-ribaudo)
• babel-core, babel-plugin-proposal-class-properties, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-parameters, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-traverse
  • #​15200 Rewrite transform-block-scoping plugin (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-helper-compilation-targets
  • #​15228 perf: Speed up getTargets (@​liuxingbaoyu)

v7.20.5

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👓 Spec Compliance

• babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-traverse
  • #​15183 Improve array destructuring spec compliance (@​SuperSodaSea)
• babel-cli, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-runtime, babel-preset-env
  • #​15182 fix: apply toPropertyKey when defining class members (@​JLHwung)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-private-property-in-object, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15133 fix: validate rhs of in when transpiling #p in C (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​15225 Parse using[foo] as computed member expression (@​JLHwung)
  • #​15207 Export ParseResult type (@​davydof)
  • #​15198 fix: parse import module, ... (@​JLHwung)
• babel-helper-wrap-function, babel-preset-env, babel-traverse
  • #​15181 fix: Edge cases for async functions and noNewArrow assumption (@​liuxingbaoyu)
• babel-plugin-transform-arrow-functions, babel-plugin-transform-parameters, babel-traverse
  • #​15163 fix: Throw error when compiling super() in arrow functions with default / rest parameters (@​SuperSodaSea)
• babel-helpers, babel-node, babel-plugin-proposal-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15194 fix: Bump regenerator and add tests (@​SuperSodaSea)
• babel-helper-create-regexp-features-plugin
  • #​15192 fix: Update regjsparser for @babel/standalone (@​liuxingbaoyu)
• babel-parser, babel-types
  • #​15109 fix: Babel 8 types (@​liuxingbaoyu)
• babel-generator
  • #​15143 Don't print inner comments as leading when wrapping in (``) (@​nicolo-ribaudo)
• babel-plugin-transform-block-scoping, babel-traverse
  • #​15167 Register switch's discriminant in the outer scope (@​nicolo-ribaudo)

💅 Polish

• babel-generator
  • #​15173 Improve generator behavior when comments:false (@​liuxingbaoyu)
• babel-plugin-transform-block-scoping
  • #​15164 Only extract IDs for TDZ checks in assign when necessary (@​nicolo-ribaudo)

🏠 Internal

• babel-core, babel-parser
  • #​15202 Bump typescript to 4.9.3 (@​JLHwung)

v7.20.2

Compare Source

🐛 Bug Fix

• babel-core, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-simple-access, babel-node, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-react-constant-elements, babel-preset-env, babel-standalone, babel-types
  • #​15124 fix: @babel/node repl and enable no-use-before-define rule (@​liuxingbaoyu)
• babel-plugin-transform-typescript
  • #​15121 fix: tsSatisfiesExpression check with different duplicated @babel/types versions (@​liuxingbaoyu)
• babel-parser
  • #​15094 fix: parser typings for plugins (@​liuxingbaoyu)
• babel-generator
  • #​15118 Improve printing of [no LineTerminator here] with comments (@​nicolo-ribaudo)
• babel-plugin-proposal-decorators, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-jscript
  • #​15113 fix: wrap anonymous class expression within statement (@​JLHwung)
• babel-plugin-transform-destructuring
  • #​15104 fix: Destructuring exceptions for ( let { } = 0 ; 0 ; ) (@​liuxingbaoyu)

v7.19.6

Compare Source

👓 Spec Compliance

• babel-plugin-proposal-decorators
  • #​15059 Ensure non-static decorators are applied when a class is instantiated. (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​15062 Fix parsing of block comments nested in flow comments (@​nicolo-ribaudo)
  • #​15052 fix: improve module block program location tracking (@​JLHwung)
• babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3
  • #​15060 Ensure `@babel/