v7.21.4 (2023-03-31)

:bug: 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)

:nail_care: 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)

:house: 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 (2023-03-14)

:eyeglasses: Spec Compliance

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

:bug: 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)

:nail_care: 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)

:house: Internal

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

:microscope: Output optimization

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

v7.21.2 (2023-02-23)

:eyeglasses: Spec Compliance

• babel-parser
  • #15439 fix: Throws on new foo?.bar!() (@liuxingbaoyu)

:nail_care: Polish

• babel-traverse, babel-types
  • #15448 Reduce warnings for deprecated node aliases (@nicolo-ribaudo)

:house: Internal

• babel-types
  • #15451 Update babel-types docs generator (@JLHwung)

:microscope: Output optimization

• babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
  • #15449 Avoid unnecessary code for unused lazy imports (@nicolo-ribaudo)

v7.21.0 (2023-02-20)

:rocket: 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: 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)

:nail_care: Polish

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

:house: Internal

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

:microscope: Output optimization

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

v7.20.7 (2022-12-22)

:eyeglasses: 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: 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)

:nail_care: Polish

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

:house: 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)

:running_woman: Performance

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

v7.20.5 (2022-11-28)

:eyeglasses: 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: 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)

:nail_care: 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)

:house: Internal

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

v7.20.2 (2022-11-04)

:bug: 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)

v7.20.0 (2022-10-27)

:rocket: New Feature

• babel-compat-data, babel-helper-compilation-targets, babel-preset-env
  • #14944 Add deno compilation target (@JLHwung)
• babel-plugin-syntax-typescript
  • #14923 Expose dts option in @babel/plugin-syntax-typescript (@oceandrama)
• babel-generator, babel-parser, babel-plugin-syntax-explicit-resource-management, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring, babel-standalone, babel-traverse, babel-types
  • #14968 Parse using declaration (explicit resource management) (@JLHwung)
• babel-generator, babel-parser, babel-plugin-syntax-import-reflection, babel-standalone, babel-types
  • #14926 Parse import reflection (@JLHwung)
• babel-generator, babel-helper-skip-transparent-expression-wrappers, babel-parser, babel-plugin-transform-typescript, babel-traverse, babel-types
  • #14211 [ts] Add support for expr satisfies Type expressions (@nicolo-ribaudo)

:bug: Bug Fix

• babel-generator, babel-parser
  • #15032 Fix handling of comments with decorators before export (@nicolo-ribaudo)
• babel-generator
  • #15008 Support more inner comments (@JLHwung)

:house: Internal

• 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
  • #15078 Update regenerator-runtime (@nicolo-ribaudo)

v7.19.4 (2022-10-10)

:eyeglasses: Spec Compliance

• babel-plugin-transform-block-scoping
  • #15019 fix: check constant violation inside loops (@nicolo-ribaudo)
• babel-helpers, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-destructuring
  • #14985 Disallow rest object destructuring of null/undefined (@nicolo-ribaudo)

:bug: Bug Fix

• babel-plugin-transform-react-jsx-development, babel-plugin-transform-typescript, babel-types
  • #14109 Fix: properly scope variables in TSModuleBlock (@The-x-Theorist)
• babel-plugin-transform-destructuring, babel-plugin-transform-react-constant-elements, babel-traverse
  • #15027 fix: mark var declarations in loops as not constant (@nicolo-ribaudo)
• babel-helper-string-parser, babel-parser, babel-types
  • #14964 Never throw for invalid escapes in tagged templates (@nicolo-ribaudo)
• babel-generator, babel-parser
  • #14980 Improve module expression parsing/printing (@JLHwung)
• babel-plugin-transform-destructuring
  • #14984 Fix holes handling in optimized array destructuring (@nicolo-ribaudo)

:nail_care: Polish

• babel-cli, babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-helper-fixtures, babel-helper-simple-access, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, 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-dynamic-import, babel-plugin-proposal-function-bind, 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-object-rest-spread, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-to-generator, 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-jscript, 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-object-super, babel-plugin-transform-parameters, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, 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-preset-env, babel-preset-react, babel-preset-typescript, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-traverse
  • #14979 Improve comments generation (@liuxingbaoyu)
• babel-cli, babel-core, babel-generator, babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-traverse
  • #14967 Improve source map generation (@liuxingbaoyu)

:house: Internal

• Other
  • #15001 Run test262 again (@nicolo-ribaudo)
• babel-compat-data, babel-preset-env
  • #14976 Internally rename proposal-* to transform-* in preset-env (@nicolo-ribaudo)