@babel/types - npm Package Versions

v7.27.6 (2025-06-05)

:bug: Bug Fix

• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17366 fix: finally causes unexpected return value (@liuxingbaoyu)
• babel-generator, babel-parser, babel-types
  • #17357 Ensure syntactic ordering when visiting array-type AST nodes (@JLHwung)

v7.27.3 (2025-05-27)

:bug: Bug Fix

• babel-generator
  • #17324 Improve multiline comments handling in yield/await expression (@JLHwung)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17328 Correctly set .displayName on GeneratorFunction (@nicolo-ribaudo)
• babel-plugin-proposal-explicit-resource-management
  • #17319 fix: handle shadowed binding in for using of body (@JLHwung)
  • #17317 fix: support named evaluation for using declaration (@JLHwung)
• babel-plugin-proposal-decorators, babel-types
  • #17321 fix(converter): Remove abstract modifiers in class declaration to expression conversion (@magic-akari)
• babel-helper-module-transforms, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #17257 Preserve class id when transforming using declarations with exported class (@JLHwung)
• babel-parser
  • #17312 fix(parser): properly handle optional markers in generator class methods (@magic-akari)
  • #17307 fix(parser): Terminate modifier parsing at newline (@magic-akari)
• babel-generator, babel-parser
  • #17308 Improve import phase parsing (@JLHwung)

v7.27.1 (2025-04-30)

:eyeglasses: Spec Compliance

• babel-parser
  • #17254 Allow using of as lexical declaration within for (@JLHwung)
  • #17230 Disallow get/set in TSPropertySignature (@JLHwung)
• babel-parser, babel-types
  • #17193 Stricter TSImportType options parsing (@JLHwung)

:bug: Bug Fix

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
  • #17137 fix: do expressions should allow early exit (@kermanx)
• babel-helper-wrap-function, babel-plugin-transform-async-to-generator
  • #17251 Fix: propagate argument evaluation errors through async promise chain (@magic-akari)
• babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
  • #17231 fix apply()/call() annotated as pure (@Lacsw)
• babel-helper-fixtures, babel-parser
  • #17233 Create ChainExpression within TSInstantiationExpression (@JLHwung)
• babel-generator, babel-parser
  • #17226 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 2) (@JLHwung)
• babel-parser
  • #17224 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 1) (@JLHwung)
  • #17080 Fix start of TSParameterProperty (@JLHwung)
• babel-compat-data, babel-preset-env
  • #17228 Update firefox bugfix compat data (@JLHwung)
• babel-traverse
  • #17156 fix: Objects and arrays with multiple references should not be evaluated (@liuxingbaoyu)
• babel-generator
  • #17216 Fix: support const type parameter in generator (@JLHwung)

:nail_care: Polish

• babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-transform-arrow-functions, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-traverse
  • #17221 Reduce generated names size for the 10th-11th (@nicolo-ribaudo)

:house: Internal

• babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #17263 Remove unused regenerator-runtime dep in @babel/runtime (@nicolo-ribaudo)
• babel-compat-data, babel-preset-env
  • #17256 Tune plugin compat data (@JLHwung)
• babel-compat-data, babel-standalone
  • #17236 migrate babel-compat-data build script to mjs (@JLHwung)
• Other
  • #17232 Bump typescript-eslint to 8.29.1 (@JLHwung)
  • #17219 test: add basic typescript-eslint integration tests (@JLHwung)
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
• babel-register
  • #16844 Migrate @babel/register to cts (@liuxingbaoyu)
• babel-cli, babel-compat-data, babel-core, babel-generator, babel-helper-compilation-targets, babel-helper-fixtures, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-parser, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-preset-env, babel-register, babel-standalone, babel-types
  • #17207 Enforce node protocol import (@JLHwung)
• babel-plugin-transform-regenerator
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-regenerator
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
• babel-helpers
  • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)

:microscope: Output optimization

• babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
  • #16538 Reduce interopRequireWildcard size (@liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17213 Reduce regeneratorRuntime size (@liuxingbaoyu)

v7.27.0 (2025-03-24)

:eyeglasses: Spec Compliance

• babel-generator, babel-parser
  • #16977 Default importAttributesKeyword to with (@JLHwung)

:rocket: New Feature

• babel-helper-create-class-features-plugin, babel-traverse, babel-types
  • #17169 Allow traverseFast to exit early (@liuxingbaoyu)
• babel-parser, babel-types
  • #17110 Add ImportAttributes to Standardized and move its parser test fixtures (@JLHwung)
• babel-generator
  • #17100 fix(babel-generator): add named export of generate function (@vovkasm)
• babel-parser, babel-template
  • #17149 Add allowYieldOutsideFunction to parser (@liuxingbaoyu)
• babel-plugin-transform-typescript, babel-traverse
  • #17102 feat: Add upToScope parameter to hasBinding (@liuxingbaoyu)
• babel-parser
  • #17082 Support ESTree AccessorProperty (@JLHwung)
• babel-types
  • #17162 feat(babel-types): Add support for BigInt literal conversion in valueToNode (@ishchhabra)

:bug: Bug Fix

• babel-helper-create-class-features-plugin, babel-plugin-transform-class-properties
  • #16816 fix: Class reference in type throws error (@liuxingbaoyu)
• babel-traverse
  • #17170 fix: Reset child scopes when scope.crawl() (@liuxingbaoyu)
• babel-helpers, babel-preset-typescript, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #17118 Fix: align behaviour to tsc rewriteRelativeImportExtensions (@JLHwung)
• babel-cli
  • #17182 fix: @babel/cli generates duplicate inline source maps (@liuxingbaoyu)
• babel-plugin-transform-named-capturing-groups-regex, babel-types
  • #17175 Generate computed proto key (@JLHwung)

:running_woman: Performance

• babel-types
  • #16870 perf: Improve builders of @babel/types (@liuxingbaoyu)
• babel-helper-create-regexp-features-plugin
  • #17176 fix: improve duplicate named groups check (@JLHwung)

v7.26.10 (2025-03-11)

:eyeglasses: Spec Compliance

• babel-parser
  • #17159 Disallow decorator in array pattern (@JLHwung)

:bug: Bug Fix

• babel-parser, babel-template
  • #17164 Fix: always initialize ExportDeclaration attributes (@JLHwung)
• babel-core
  • #17142 fix: "Map maximum size exceeded" in deepClone (@liuxingbaoyu)
• babel-parser, babel-plugin-transform-typescript
  • #17154 Update typescript parser tests (@JLHwung)
• babel-traverse
  • #17151 fix: Should not evaluate vars in child scope (@liuxingbaoyu)
• babel-generator
  • #17153 fix: Correctly generate abstract override (@liuxingbaoyu)
• babel-parser
  • #17107 Fix source type detection when parsing TypeScript (@JLHwung)
• babel-helpers, babel-runtime, babel-runtime-corejs2, babel-runtime-corejs3
  • #17173 Fix processing of replacement pattern with named capture groups (@mmmsssttt404)

:nail_care: Polish

• babel-standalone
  • #17158 Avoid warnings when re-bundling @babel/standalone with webpack (@liuxingbaoyu)

:house: Internal

• babel-parser
  • #17160 Left-value parsing cleanup (@JLHwung)

v7.26.9 (2025-02-14)

:bug: Bug Fix

• babel-types
  • #17103 fix: Definition for TSPropertySignature.kind (@liuxingbaoyu)
• babel-generator, babel-types
  • #17062 Print TypeScript optional/definite in ClassPrivateProperty (@jamiebuilds-signal)

:house: Internal

• babel-types
  • #17130 Use .ts files with explicit reexports to solve name conflicts (@nicolo-ribaudo)
• babel-core
  • #17127 Do not depend on @types/gensync in Babel 7 (@nicolo-ribaudo)