v7.28.4

Compare Source

🏠 Internal

• babel-core, babel-helper-check-duplicate-nodes, babel-traverse, babel-types
  • #​17493 Update Jest to v30.1.1 (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17455 chore: Clean up transform-regenerator (@​liuxingbaoyu)
• babel-core
  • #​17474 Switch to @​jridgewell/remapping (@​mrginglymus)

v7.28.3

Compare Source

👓 Spec Compliance

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-class-static-block, babel-preset-env
  • #​17443 [static blocks] Do not inject new static fields after static code (@​nicolo-ribaudo)

🐛 Bug Fix

• babel-parser
  • #​17465 fix(parser/typescript): parse import("./a", {with:{},}) (@​easrng)
  • #​17478 fix(parser): stop subscript parsing on async arrow (@​JLHwung)

💅 Polish

• babel-plugin-transform-regenerator, babel-plugin-transform-runtime
  • #​17363 Do not save last yield in call in temp var (@​nicolo-ribaudo)

📝 Documentation

• #​17448 move eslint-{parser,plugin} docs to the website (@​JLHwung)

🏠 Internal

• #​17454 Enable type checking for scripts and babel-worker.cjs (@​JLHwung)

🔬 Output optimization

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions
  • #​17444 Optimize do expression output (@​JLHwung)

v7.28.2

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🐛 Bug Fix

• babel-types
  • #​17445 [babel 7] Make operator param in t.tsTypeOperator optional (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #​17441 fix: regeneratorDefine compatibility with es5 strict mode (@​liuxingbaoyu)

v7.27.6

Compare Source

🐛 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)

v7.27.4

Compare Source

👓 Spec Compliance

• babel-parser, babel-plugin-proposal-explicit-resource-management
  • #​17323 Disallow using in bare case statement (@​JLHwung)

💅 Polish

• babel-parser
  • #​17311 Improve parseExpression error messages (@​JLHwung)

🔬 Output optimization

• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​17287 Reduce regenerator size more (@​liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #​17334 Use shorter method names for regenerator context (@​nicolo-ribaudo)
  • #​17268 Reduce regenerator helper size (@​liuxingbaoyu)
• babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​17238 Split regeneratorRuntime into multiple helpers (@​nicolo-ribaudo)

v7.27.3

Compare Source

🐛 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

Compare Source

👓 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 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)

💅 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)

🏠 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)

🔬 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

Compare Source

👓 Spec Compliance

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

🚀 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 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)

🏃‍♀️ 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

Compare Source

👓 Spec Compliance

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

🐛 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)

💅 Polish

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

🏠 Internal

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

v7.26.9

Compare Source

🐛 Bug Fix

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

🏠 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)

v7.26.7

Compare Source

🐛 Bug Fix

• babel-helpers, babel-preset-env, babel-runtime-corejs3
  • #​17086 Make "object without properties" helpers ES6-compatible (@​tquetano-netflix)
• babel-plugin-transform-typeof-symbol
  • #​17085 fix: Correctly handle typeof in arrow functions (@​liuxingbaoyu)
• babel-parser
  • #​17079 Respect ranges option in estree method value (@​JLHwung)
• babel-core
  • #​17052 Do not try to parse .ts configs as JSON if natively supported (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​17050 fix: correctly resolve references to non-constant enum members (@​branchseer)
• babel-plugin-transform-typescript, babel-traverse, babel-types
  • #​17025 fix: Remove type-only import x = y.z (@​liuxingbaoyu)