v7.14.0

Compare Source

👓 Spec Compliance

• babel-generator, babel-parser
  • #​13209 [ts] Enforce order for the override modifier (@​nicolo-ribaudo)

🚀 New Feature

• babel-plugin-proposal-async-do-expressions
  • #​13117 Implement async-do-expressions transform (@​JLHwung)
• babel-core, babel-generator, babel-parser, babel-plugin-proposal-do-expressions, babel-plugin-syntax-async-do-expressions, babel-types
  • #​13043 Parse async do expressions (@​JLHwung)
• babel-preset-env
  • #​13091 Enable class fields & private methods by default (@​nicolo-ribaudo)
• babel-compat-data, babel-preset-env
  • #​13176 Add private brand checks to shippedProposals (@​nicolo-ribaudo)
  • #​13114 Add class static blocks to preset-env's shippedProposals (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-private-property-in-object, babel-plugin-syntax-private-property-in-object
  • #​13172 Allow compiling #foo in obj without compiling private fields (@​nicolo-ribaudo)
• babel-parser
  • #​13113 babel-parser(ts): Add new plugin option dts: boolean (@​sosukesuzuki)
  • #​13175 Materialize the class features in @babel/parser. (@​JLHwung)
  • #​13033 Introduce parser error codes (@​sosukesuzuki)
• babel-helper-module-transforms, babel-helpers, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​12838 Implement importInterop: "node" option for module transforms (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-traverse, babel-types
  • #​13224 Support parsing Flow's Optional Indexed Access Types (@​gkz)
  • #​13053 Support parsing Flow's Indexed Access Types (@​sosukesuzuki)
• babel-parser, babel-traverse
  • #​13195 Parse string export names by default (moduleStringNames) (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-types
  • #​13089 Support TypeScript 4.3 get/set type members (@​sosukesuzuki)
  • #​13097 support TS 4.3 override syntax in class (@​g-plane)
  • #​13096 support TS 4.3 static index signature in class (@​g-plane)

🐛 Bug Fix

• babel-generator
  • #​13208 Prevent ForOfStatement from printing the forbidden sequence "for ( async of" (@​Zalathar)
  • #​13169 fix: don't deduplicate comments with same start index (@​gzzhanghao)
• babel-generator, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #​13204 Simplify the special-case printing of single-param arrow functions (@​Zalathar)
• babel-core
  • #​13182 fix: Don't load browserslist in block-hoist-plugin (@​MichaReiser)

💅 Polish

• babel-cli, babel-core, babel-parser, babel-plugin-transform-classes, babel-preset-env, babel-preset-typescript
  • #​13130 babel-parser: Add new internal ESLint rule to consistent error messages (@​sosukesuzuki)

🏠 Internal

• babel-parser
  • #​13227 Add runFixtureTestsWithoutExactASTMatch in parser test runner (@​JLHwung)
  • #​13163 babel-parser: Use this.isThisParam (@​sosukesuzuki)
  • #​13200 refactor: avoid parsing logic on locations (@​JLHwung)
• babel-helpers, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​13190 Allow putting helpers in individual files (@​nicolo-ribaudo)
• Other
  • #​13183 chore: run coverage-test against node 16 (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​13090 perf(core): check files before interacting with them (@​FauxFaux)
  • #​13223 perf: avoid loadFullConfig when creating block hoist plugin (@​JLHwung)
• babel-helper-validator-identifier
  • #​13211 Improve isIdentifierName performance (@​JLHwung)

🔬 Output optimization

• babel-helper-create-class-features-plugin, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-preset-env
  • #​13194 Mark WeakMaps of private fields as pure (@​nicolo-ribaudo)
• babel-helpers, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​13201 Simplify the wrapRegExp helper for named groups (@​nicolo-ribaudo)