@babel/preset-env - npm Package Versions

v7.26.0 (2024-10-25)

:rocket: New Feature

• babel-core, babel-generator, babel-parser, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-preset-env, babel-standalone, babel-types
  • #16850 Enable import attributes parsing by default (@nicolo-ribaudo)
• babel-core
  • #16862 feat: support async plugin's pre/post (@timofei-iatsenko)
• babel-compat-data, babel-plugin-proposal-regexp-modifiers, babel-plugin-transform-regexp-modifiers, babel-preset-env, babel-standalone
  • #16692 Add transform-regexp-modifiers to preset-env (@JLHwung)
• babel-parser
  • #16849 feat: add startIndex parser option (@DylanPiercey)
• babel-generator, babel-parser, babel-plugin-syntax-flow
  • #16841 Always enable parsing of Flow enums (@nicolo-ribaudo)
• babel-helpers, babel-preset-typescript, babel-runtime-corejs3
  • #16794 Support import() in rewriteImportExtensions (@liuxingbaoyu)
• babel-generator, babel-parser
  • #16708 Add experimental format-preserving mode to @babel/generator (@nicolo-ribaudo)

:bug: Bug Fix

• babel-core
  • #16928 Workaround Node.js bug for parallel loading of TLA modules (@nicolo-ribaudo)
  • #16926 Fix loading of modules with TLA in Node.js 23 (@nicolo-ribaudo)

:nail_care: Polish

• babel-plugin-proposal-json-modules, babel-plugin-transform-json-modules, babel-standalone
  • #16924 Rename proposal-json-modules to transform-json-modules (@nicolo-ribaudo)

:house: Internal

• babel-code-frame, babel-highlight
  • #16896 Inline @babel/highlight in @babel/code-frame (@nicolo-ribaudo)
• babel-generator, babel-parser, babel-types
  • #16732 Add kind to TSModuleDeclaration (@liuxingbaoyu)

:running_woman: Performance

• babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
  • #16882 perf: Improve module transforms (@liuxingbaoyu)

v7.25.9 (2024-10-22)

:bug: Bug Fix

• babel-parser, babel-template, babel-types
  • #16905 fix: Keep type annotations in syntacticPlaceholders mode (@liuxingbaoyu)
• babel-helper-compilation-targets, babel-preset-env
  • #16907 fix: support BROWSERSLIST{,_CONFIG} env (@JLHwung)
• Other
  • #16884 Analyze ClassAccessorProperty to prevent the no-undef rule (@victorenator)

:house: Internal

• babel-helper-transform-fixture-test-runner
  • #16914 remove test options flaky (@JLHwung)

:running_woman: Performance

• babel-parser, babel-types
  • #16918 perf: Make VISITOR_KEYS etc. faster to access (@liuxingbaoyu)

v7.25.8 (2024-10-10)

:bug: Bug Fix

• babel-core
  • #16888 Restore public API of resolvePlugin/resolvePreset (@nicolo-ribaudo)

:house: Internal

• babel-parser, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, 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-defer, babel-plugin-proposal-partial-application, babel-plugin-proposal-throw-expressions, 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, babel-preset-env
  • #16824 Inline one-line syntax plugins (@nicolo-ribaudo)

v7.25.7 (2024-10-02)

:bug: Bug Fix

• babel-helper-validator-identifier
  • #16825 fix: update identifier to unicode 16 (@JLHwung)
• babel-traverse
  • #16814 fix: issue with node path keys updated on unrelated paths (@DylanPiercey)
• babel-plugin-transform-classes
  • #16797 Use an inclusion rather than exclusion list for super() check (@nicolo-ribaudo)
• babel-generator
  • #16788 Fix printing of TS infer in compact mode (@nicolo-ribaudo)
  • #16785 Print TS type annotations for destructuring in assignment pattern (@nicolo-ribaudo)
  • #16778 Respect [no LineTerminator here] after nodes (@nicolo-ribaudo)

:nail_care: Polish

• babel-types
  • #16852 Add deprecated JSDOC for fields (@liuxingbaoyu)

:house: Internal

• babel-core
  • #16820 Allow sync loading of ESM when --experimental-require-module (@nicolo-ribaudo)
• babel-helper-compilation-targets, babel-helper-plugin-utils, babel-preset-env
  • #16858 Add browserslist config to external dependency (@JLHwung)
• babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-plugin-syntax-import-reflection, babel-standalone
  • #16809 Archive syntax-import-reflection and syntax-decimal (@nicolo-ribaudo)
• babel-generator
  • #16779 Simplify logic for [no LineTerminator here] before nodes (@nicolo-ribaudo)

:running_woman: Performance

• babel-plugin-transform-typescript
  • #16875 perf: Avoid extra cloning of namespaces (@liuxingbaoyu)
• babel-types
  • #16842 perf: Improve @babel/types builders (@liuxingbaoyu)
  • #16828 Only access BABEL_TYPES_8_BREAKING at startup (@nicolo-ribaudo)

v7.25.4 (2024-08-22)

:bug: Bug Fix

• babel-traverse
  • #16756 fix: Skip computed key when renaming (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #16755 fix: Decorator 2018-09 may throw an exception (@liuxingbaoyu)
• babel-types
  • #16710 Visit AST fields nodes according to their syntactical order (@nicolo-ribaudo)
• babel-generator
  • #16709 Print semicolon after TS export namespace as A (@nicolo-ribaudo)

:nail_care: Polish

• babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-typescript, babel-runtime-corejs2, babel-runtime, babel-traverse
  • #16722 Avoid unnecessary parens around sequence expressions (@nicolo-ribaudo)
• babel-generator, babel-plugin-transform-class-properties
  • #16714 Avoid unnecessary parens around exported arrow functions (@nicolo-ribaudo)
• babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-transform-object-rest-spread
  • #16712 Avoid printing unnecessary parens around object destructuring (@nicolo-ribaudo)

:microscope: Output optimization

• babel-generator
  • #16740 Avoid extra spaces between comments/regexps in compact mode (@nicolo-ribaudo)

v7.25.3 (2024-07-31)

:bug: Bug Fix

• babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-traverse
  • #16699 Avoid validating visitors produced by traverse.visitors.merge (@nicolo-ribaudo)

:house: Internal

• babel-parser
  • #16688 Add @babel/types as a dependency of @babel/parser (@nicolo-ribaudo)

v7.25.2 (2024-07-30)

:bug: Bug Fix

• babel-core, babel-traverse
  • #16695 Ensure that requeueComputedKeyAndDecorators is available (@nicolo-ribaudo)

v7.25.0 (2024-07-26)

:eyeglasses: Spec Compliance

• babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs3
  • #16537 await using normative updates (@JLHwung)
• babel-plugin-transform-typescript
  • #16602 Ensure enum members syntactically determinable to be strings do not get reverse mappings (@liuxingbaoyu)

:rocket: New Feature

• babel-helper-create-class-features-plugin, babel-helper-function-name, babel-helper-plugin-utils, babel-helper-wrap-function, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-preset-env, babel-traverse, babel-types
  • #16658 Move ensureFunctionName to NodePath.prototype (@nicolo-ribaudo)
• babel-helper-hoist-variables, babel-helper-plugin-utils, babel-plugin-proposal-async-do-expressions, babel-plugin-transform-modules-systemjs, babel-traverse
  • #16644 Move hoistVariables to Scope.prototype (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-split-export-declaration, babel-plugin-transform-classes, babel-traverse, babel-types
  • #16645 Move splitExportDeclaration to NodePath.prototype (@nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-environment-visitor, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-transform-async-generator-functions, babel-plugin-transform-classes, babel-traverse
  • #16649 Move environment-visitor helper into @babel/traverse (@nicolo-ribaudo)
• babel-core, babel-parser
  • #16480 Expose wether a module has TLA or not as .extra.async (@nicolo-ribaudo)
• babel-compat-data, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-preset-env
  • #16569 Introduce bugfix-safari-class-field-initializer-scope (@davidtaylorhq)
• babel-plugin-transform-block-scoping, babel-traverse, babel-types
  • #16551 Add NodePath#getAssignmentIdentifiers (@JLHwung)
• babel-helper-import-to-platform-api, babel-plugin-proposal-json-modules
  • #16579 Add uncheckedRequire option for JSON imports to CJS (@nicolo-ribaudo)
• babel-helper-transform-fixture-test-runner, babel-node
  • #16642 Allow using custom config in babel-node --eval (@slatereax)
• babel-compat-data, babel-helper-create-regexp-features-plugin, babel-plugin-proposal-duplicate-named-capturing-groups-regex, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-preset-env, babel-standalone
  • #16445 Add duplicate-named-capturing-groups-regex to preset-env (@JLHwung)

:bug: Bug Fix

• babel-generator
  • #16678 Print parens around as expressions on the LHS (@nicolo-ribaudo)
• babel-template, babel-types
  • #15286 fix: Props are lost when the template replaces the node (@liuxingbaoyu)

:house: Internal

• Other
  • #16674 bump gulp to 5 (@JLHwung)
• babel-generator
  • #16651 Simplify the printing logic for ( before ambiguous tokens (@nicolo-ribaudo)
• babel-helper-function-name, babel-plugin-transform-arrow-functions, babel-plugin-transform-function-name, babel-preset-env, babel-traverse
  • #16652 Simplify helper-function-name logic (@nicolo-ribaudo)

:running_woman: Performance

• babel-parser, babel-plugin-proposal-pipeline-operator
  • #16461 Some minor parser performance improvements for ts (@liuxingbaoyu)

:microscope: Output optimization

• babel-plugin-transform-classes
  • #16670 Reduce redundant assertThisInitialized (@liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-helpers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-object-super, babel-plugin-transform-private-methods, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #16374 Improve super.x output (@liuxingbaoyu)
• babel-plugin-transform-class-properties, babel-plugin-transform-classes
  • #16656 Simplify output for anonymous classes with no methods (@nicolo-ribaudo)