v7.23.5

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👓 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)

🚀 New Feature

• #​16023 Add @babel/eslint-plugin/no-undef for accessor props (@​nicolo-ribaudo)

🐛 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)

🔬 Output optimization

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

v7.23.3

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🐛 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 Add a bugfix plugin for https://crbug.com/v8/12421 (@​nicolo-ribaudo)
• babel-plugin-transform-object-super
  • #​15948 fix: super.x in a loop (@​liuxingbaoyu)
• babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​16015 fix: handle __proto__ exports name in CJS/AMD/UMD (@​magic-akari)

📝 Documentation

• #​16044 docs: Update links in @​babel/eslint-parser README (@​aryehb)

🏠 Internal

• babel-core, babel-preset-env
  • #​15988 Refactor handling of modules plugins in preset-env (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-generator
  • #​16061 perf: Improve @babel/generator performance (@​liuxingbaoyu)
• babel-traverse
  • #​16060 Avoid dynamic dispatch when calling wrapCheck (@​yepitschunked)

🔬 Output optimization

• babel-plugin-transform-computed-properties
  • #​6652 Optimize computed properties output (byte-wise) (@​Andarist)

v7.23.2

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🐛 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

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🚀 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

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🏠 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

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v7.22.19 (2023-09-14)

Re-published 7.22.18, due to a releasing error.

v7.22.18

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🐛 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

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🐛 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

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🐛 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

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🐛 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

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🐛 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)