Update babel monorepo to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/cli (source)	7.29.7 → 8.0.4
@babel/core (source)	7.29.7 → 8.0.1
@babel/plugin-external-helpers (source)	7.29.7 → 8.0.1
@babel/plugin-transform-literals (source)	7.29.7 → 8.0.1
@babel/plugin-transform-member-expression-literals (source)	7.29.7 → 8.0.1
@babel/plugin-transform-modules-commonjs (source)	7.29.7 → 8.0.1
@babel/plugin-transform-property-literals (source)	7.29.7 → 8.0.1
@babel/plugin-transform-runtime (source)	7.29.7 → 8.0.1
@babel/plugin-transform-spread (source)	7.29.8 → 8.0.1
@babel/plugin-transform-template-literals (source)	7.29.7 → 8.0.1
@babel/plugin-transform-typescript (source)	7.29.7 → 8.0.1
@babel/preset-env (source)	7.29.7 → 8.0.2
@babel/preset-typescript (source)	7.29.7 → 8.0.1
@babel/runtime (source)	7.29.7 → 8.0.0
@babel/types (source)	7.29.8 → 8.0.4

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Release Notes

babel/babel (@​babel/cli)

v8.0.4

Compare Source

👓 Spec Compliance

• babel-parser, babel-plugin-transform-typescript
  • #​18120 fix(parser): disallow declare module M {} (@​JLHwung)
• babel-generator, babel-parser, babel-plugin-transform-typescript
  • #​18100 fix(parser): forbid let x! and let x! = (@​JLHwung)

🐛 Bug Fix

• babel-traverse
  • #​18122 fix: replaceWith in Visitor#exit should not stop traversal (@​liuxingbaoyu)

🏠 Internal

• babel-helper-validator-identifier
  • #​18084 refactor: Shrink validator identifier size (@​JLHwung)

v8.0.1

Compare Source

💥 Breaking Change

• babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
  • #​18079 Actually remove preset-env's useBuiltIns (@​nicolo-ribaudo)

v8.0.0

Compare Source

👓 Spec Compliance

• babel-core
  • #​18039 perf: Only extract source map comments at the end of the file (@​liuxingbaoyu)

💥 Breaking Change

• babel-cli, babel-node, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-preset-env, babel-register
  • #​18069 Fallback to assuming ESM support with modules: auto (@​nicolo-ribaudo)
• babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
  • #​18036 Remove corejs exports for @babe/runtime-corejs3 (@​liuxingbaoyu)
• babel-parser
  • #​18034 Remove locations: "packed" (@​liuxingbaoyu)

🐛 Bug Fix

• babel-generator
  • #​18046 fix(generator): improve new callee parens check (@​JLHwung)
• babel-plugin-transform-modules-systemjs
  • #​18032 fix(systemjs): support proto as an export name (@​JLHwung)

📝 Documentation

• #​18070 Add EOL date for Babel 7 (end of June 2027) to SECURITY.md (@​nicolo-ribaudo)

🏠 Internal

• #​18018 ci: enforce yarn integrity (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​18039 perf: Only extract source map comments at the end of the file (@​liuxingbaoyu)

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