chore(deps): update babel monorepo

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/cli (source)	7.12.10 -> 7.24.1
@babel/core (source)	7.12.10 -> 7.24.4
@babel/preset-env (source)	7.12.11 -> 7.24.4

---

Release Notes

babel/babel (@​babel/cli)

v7.24.1

Compare Source

🐛 Bug Fix

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #​16350 Fix decorated class computed keys ordering (@​JLHwung)
  • #​16344 Fix decorated class static field private access (@​JLHwung)
• babel-plugin-proposal-decorators, babel-plugin-proposal-json-modules, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env
  • #​16329 Respect moduleName for @babel/runtime/regenerator imports (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties
  • #​16331 Fix decorator memoiser binding kind (@​JLHwung)
• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties
  • #​16325 Fix decorator evaluation private environment (@​JLHwung)

📝 Documentation

• #​16319 Update SECURITY.md (@​nicolo-ribaudo)

🏠 Internal

• babel-code-frame, babel-highlight
  • #​16359 Replace chalk with picocolors (@​nicolo-ribaudo)
• babel-helper-fixtures, babel-helpers, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow
  • #​16352 Run Babel transform tests on old node if possible (@​JLHwung)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​16323 Allow separate helpers to be excluded in Babel 8 (@​liuxingbaoyu)
• babel-helper-module-imports, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-json-modules, babel-plugin-proposal-record-and-tuple, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
  • #​16349 Support merging imports in import injector (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-proposal-duplicate-named-capturing-groups-regex, babel-plugin-proposal-explicit-resource-management, babel-plugin-proposal-export-default-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-defer, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-json-modules, babel-plugin-proposal-optional-chaining-assign, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-proposal-regexp-modifiers, babel-plugin-proposal-throw-expressions, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decimal, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, 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-import-attributes, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-reflection, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-record-and-tuple, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, 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-dynamic-import, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-namespace-from, 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-json-strings, babel-plugin-transform-literals, babel-plugin-transform-logical-assignment-operators, 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-new-target, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-assign, babel-plugin-transform-object-rest-spread, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, 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-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-property-regex, babel-plugin-transform-unicode-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript
  • #​16332 Test Babel 7 plugins compatibility with Babel 8 core (@​nicolo-ribaudo)
• babel-compat-data, babel-plugin-transform-object-rest-spread, babel-preset-env
  • #​16318 [babel 8] Fix @babel/compat-data package.json (@​nicolo-ribaudo)

🔬 Output optimization

• babel-helper-replace-supers, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-runtime
  • #​16345 Optimize the use of assertThisInitialized after super() (@​liuxingbaoyu)
• babel-plugin-transform-class-properties, babel-plugin-transform-classes
  • #​16343 Use simpler assertThisInitialized more often (@​liuxingbaoyu)
• babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-object-rest-spread, babel-traverse
  • #​16342 Consider well-known and registered symbols as literals (@​nicolo-ribaudo)
• babel-core, babel-plugin-external-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-function-bind, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-modules-systemjs, babel-plugin-transform-parameters, babel-plugin-transform-private-property-in-object, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-spread, babel-plugin-transform-typescript, babel-preset-env
  • #​16326 Reduce the use of class names (@​liuxingbaoyu)

v7.23.9

Compare Source

🐛 Bug Fix

• babel-helper-transform-fixture-test-runner, babel-plugin-transform-function-name, babel-plugin-transform-modules-systemjs, babel-preset-env
  • #​16225 fix: systemjs re-traverses helpers (@​liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #​16226 Improve decorated private method check (@​JLHwung)
• babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-runtime, babel-preset-env
  • #​16224 Properly sort core-js@3 imports (@​nicolo-ribaudo)
• babel-traverse
  • #​15383 fix: Don't throw in getTypeAnnotation when using TS+inference (@​liuxingbaoyu)
• Other
  • #​16210 [eslint] Fix no-use-before-define for class ref in fields (@​nicolo-ribaudo)

🏠 Internal

• babel-core, babel-parser, babel-template
  • #​16222 Migrate eslint-parser to cts (@​liuxingbaoyu)
• babel-types
  • #​16213 Remove @babel/types props that are not produced by the parser (@​liuxingbaoyu)

🏃‍♀️ Performance

• babel-parser
  • #​16072 perf: Improve parser performance for typescript (@​liuxingbaoyu)

🔬 Output optimization

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-new-target, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-preset-env
  • #​16218 Improve temporary variables for decorators (@​liuxingbaoyu)
• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​15959 Improve output of using (@​liuxingbaoyu)

v7.23.4

Compare Source

🐛 Bug Fix

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

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)

v7.22.15

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)

v7.22.10

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)

v7.22.6

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)

v7.21.5

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)

v7.21.0

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)

v7.20.7

Compare Source

👓 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)

v7.19.3

Compare Source

🐛 Bug Fix

• babel-plugin-proposal-decorators
  • #​8566 Correctly update bindings of decorated class declarations (@​nicolo-ribaudo)
• babel-parser
  • #​14974 fix: Normal parsing of JSXText following JSXSpreadChild (@​liuxingbaoyu)
  • #​14941 fix: Support local exports in TS declare modules (@​liuxingbaoyu)
  • #​14940 fix: allow ts redeclaration with import = and var (@​liuxingbaoyu)
• babel-generator
  • #​14962 Fix printing of Flow internal slot functions (@​liuxingbaoyu)
• babel-cli
  • #​14950 Emit @babel/cli source maps based on configuration files (@​liuxingbaoyu)
• babel-plugin-transform-typescript
  • #​14946 fix: ts exported vars are shadowed by declare (@​liuxingbaoyu)

💅 Polish

• babel-core
  • #​14954 Optional filename when preset uses fn test/include/exclude (@​nicolo-ribaudo)

🏠 Internal

• babel-helper-compilation-targets, babel-helper-transform-fixture-test-runner, babel-parser, babel-preset-env, babel-traverse
  • #​14961 chore: use c8 for coverage testing (@​liuxingbaoyu)

🔬 Output optimization

• babel-plugin-transform-typescript
  • #​14952 [ts] remove nested declare namespace (@​liuxingbaoyu)

v7.18.10

Compare Source

🚀 New Feature

• babel-helper-string-parser, babel-types
  • #​14757 feat: Automatically generate cooked for templateElement (@​liuxingbaoyu)

🐛 Bug Fix

• babel-parser
  • #​14817 fix(parser): allow TS declare readonly fields with initializers (@​Josh-Cena)
• babel-helper-string-parser, babel-parser
  • #​14798 Fix position of errors in template literals after newlines (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​14774 fix: TS declare class in namespace should be removed (@​yimingjfe)
• babel-plugin-transform-react-jsx
  • #​14759 fix: skip flattening spread object with proto (@​JLHwung)
• babel-generator
  • #​14762 fix: Types containing comments generate invalid code (@​liuxingbaoyu)
• babel-helper-wrap-function, babel-plugin-transform-async-to-generator, babel-traverse
  • #​14752 Fix compiling async arrows in uncompiled class fields (@​nicolo-ribaudo)

🏠 Internal

• Other
  • #​14800 chore: Remove .yarnrc file (@​liuxingbaoyu)
  • #​14802 chore: Fix coverage test (@​liuxingbaoyu)
  • #​14671 feat: Make most make commands cross-platform (@​liuxingbaoyu)
  • #​14790 enable typescript incremental builds (@​zxbodya)
• babel-traverse
  • #​14799 Restructure virtual types validator (@​JLHwung)
• babel-cli
  • #​14779 chore: expand prettier-e2e test and update typings/deps (@​liuxingbaoyu)
• babel-parser
  • #​14796 Make ParseError Much Simpler now that we can use TypeScript (@​tolmasky)
• babel-core, babel-parser
  • #​14785 chore: remove flow check scripts (@​JLHwung)
• babel-cli, babel-core, babel-parser, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-template, babel-traverse
  • #​14783 Convert @babel/parser to TypeScript (@​JLHwung)
• babel-helper-string-parser, babel-parser
  • #​14772 Extract string parsing to a separate package (@​nicolo-ribaudo)
• babel-cli, babel-node
  • #​14765 Enforce type checking on babel-{cli,node} (@​liuxingbaoyu)

🔬 Output optimization

• babel-plugin-proposal-export-default-from
  • #​14768 optimize: Simplify the export-default-from transform (@​magic-akari)

v7.18.9

Compare Source

🐛 Bug Fix

• babel-plugin-transform-modules-systemjs, babel-types
  • #​14763 fix: allow exporting TSDeclareFunction as default (@​zxbodya)
• babel-generator
  • #​14758 fix: returnType with comments generates incorrect code (@​liuxingbaoyu)

💅 Polish

• babel-cli
  • #​14748 Print a message when the watcher of babel-cli is ready. (@​liuxingbaoyu)

🏠 Internal

• babel-core, babel-helper-remap-async-to-generator, babel-helpers, babel-parser, babel-plugin-transform-block-scoping, babel-preset-env
  • #​13414 Prepare for compiling Babel to native ESM (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-wrap-function, babel-helpers, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-chaining, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-traverse, babel-types
  • #​14739 Provide better parentPath typings (@​JLHwung)

🏃‍♀️ Performance

• babel-generator
  • #​14701 perf: Improve generator perf (@​liuxingbaoyu)

v7.18.6

Compare Source

👓 Spec Compliance

• babel-parser
  • #​14650 [ts] Disallow property access after instantiation expression (@​nicolo-ribaudo)
  • #​14636 [ts] Allow ...<...> followed by newline or binary operator (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-preset-env, babel-template
  • #​14668 JSON modules should be imported with default (@​JLHwung)

🐛 Bug Fix

• babel-helper-remap-async-to-generator, babel-plugin-proposal-async-generator-functions
  • #​14391 Transform await in computed class keys (@​Yokubjon-J)
• babel-plugin-transform-parameters
  • #​14694 fix: preserve function params type if possible (@​magic-akari)
• babel-core
  • #​14583 fix: Memory leak when deep cloning in babel-core (@​liuxingbaoyu)
• babel-core, babel-helper-check-duplicate-nodes, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-optional-chaining, babel-plugin-transform-runtime
  • #​14663 Fix import { types } from "@​babel/core" with native ESM (@​nicolo-ribaudo)

🏠 Internal

• babel-standalone
  • #​14697 Add proposal-unicode-sets-regex to @babel/standalone (@​nicolo-ribaudo)
• Other
  • #​14687 chore: Update bench baselines (@​liuxingbaoyu)
• babel-generator, babel-types
  • #​14685 enable TS compiler option: strictBindCallApply (@​JLHwung)
• babel-code-frame, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, babel-helper-check-duplicate-nodes, 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-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-validator-option, babel-helper-wrap-function, babel-helpers, babel-highlight, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-external-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-json-strings, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-typescript, 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-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-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-object-super, babel-plugin-transform-parameters, 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-source, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-preset-typescript, babel-standalone, babel-template, babel-traverse, babel-types
  • #​14601 enable noImplicitAny (@​JLHwung)
• babel-core, babel-helper-transform-fixture-test-runner, babel-plugin-transform-destructuring
  • #​14659 Run Babel asynchronously in fixtures (@​nicolo-ribaudo)

v7.17.10

Compare Source

🐛 Bug Fix

• babel-cli, babel-core, babel-generator, babel-helper-transform-fixture-test-runner
  • #​14479 [cli] Avoid SourceMapGenerator for simple map concatenation (@​jridgewell)

💅 Polish

• babel-cli, babel-core, babel-generator, babel-helper-fixtures, babel-helper-transform-fixture-test-runner
  • #​14506 Do not add sourcemap markings for indentation (@​jridgewell)
• babel-plugin-proposal-pipeline-operator, babel-traverse
  • [#​14424](https

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