Update babel to ^7.21.0 (main)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/cli (source)	^7.20.7 -> ^7.21.0
@babel/core (source)	^7.20.12 -> ^7.21.0
@babel/generator (source)	^7.20.14 -> ^7.21.0
@babel/parser (source)	^7.20.15 -> ^7.21.0
@babel/plugin-proposal-optional-chaining (source)	^7.20.7 -> ^7.21.0
@babel/plugin-transform-runtime (source)	^7.19.6 -> ^7.21.0
@babel/preset-typescript (source)	^7.18.6 -> ^7.21.0
@babel/register (source)	^7.18.9 -> ^7.21.0
@babel/runtime (source)	^7.20.13 -> ^7.21.0
@babel/traverse (source)	^7.20.13 -> ^7.21.0
@babel/types (source)	^7.20.7 -> ^7.21.0

---

Release Notes

babel/babel (@​babel/cli)

v7.21.0

Compare Source

🚀 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 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)

💅 Polish

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

🏠 Internal

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

🔬 Output optimization

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

babel/babel (@​babel/parser)

v7.21.0

Compare Source

v7.21.0 (2023-02-20)

Thanks @​azizghuloum, @​ehoogeveen-medweb, @​fwienber, and @​Lioness100 for your first PRs!

🚀 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 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)

💅 Polish

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

🏠 Internal

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

🔬 Output optimization

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

Committers: 11

• Abdulaziz Ghuloum (@​azizghuloum)
• Babel Bot (@​babel-bot)
• Emanuel Hoogeveen (@​ehoogeveen-medweb)
• Frank Wienberg (@​fwienber)
• Huáng Jùnliàng (@​JLHwung)
• Mateusz Burzyński (@​Andarist)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​Lioness100
• @​liuxingbaoyu
• @​overlookmotel
• fisker Cheung (@​fisker)

---

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Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
ml	3.4MB	3.4MB	-71.0B

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
dashboardEnhanced	15.3KB	15.2KB	-59.0B
embeddable	74.6KB	74.5KB	-24.0B
fieldFormats	45.9KB	45.8KB	-47.0B
savedObjectsManagement	19.4KB	19.3KB	-128.0B
total			-258.0B

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
securitySolution	428	430	+2

Total ESLint disabled count

id	before	after	diff
securitySolution	506	508	+2

History

• 💔 Build #110807 failed 19bd896
• 💚 Build #110759 succeeded fa334da

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