Update babel monorepo

This MR contains the following updates:

Package	Type	Update	Change
@babel/cli (source)	devDependencies	minor	7.11.6 -> 7.12.1
@babel/core (source)	devDependencies	minor	7.11.6 -> 7.12.3
@babel/plugin-proposal-class-properties	devDependencies	minor	7.10.4 -> 7.12.1
@babel/plugin-proposal-decorators	devDependencies	minor	7.10.5 -> 7.12.1

---

Release Notes

babel/babel

v7.12.1

Compare Source

🐛 Bug Fix

• babel-cli
  • #​12182 Don't force chokidar@2 to be downloaded from registry.npmjs.org (@​nicolo-ribaudo)
• babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​12184 Allow importing @babel/runtime/package (@​nicolo-ribaudo)
• babel-parser
  • #​12183 Reland "Fix: check if param is assignable when parsing arrow return type annotation" (@​nicolo-ribaudo)

🏠 Internal

• Other
  • #​12188 Guard against yarn-issue-1882 (@​JLHwung)
• babel-cli, babel-core, babel-generator, babel-helper-bindify-decorators, babel-helper-call-delegate, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-explode-assignable-expression, babel-helper-explode-class, babel-helper-module-imports, babel-helper-remap-async-to-generator, babel-helper-skip-transparent-expression-wrappers, babel-helpers, babel-node, babel-parser, babel-plugin-external-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-do-expressions, babel-plugin-proposal-dynamic-import, babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from, 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-numeric-separator, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-catch-binding, 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-throw-expressions, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-class-properties, babel-plugin-syntax-decorators, babel-plugin-syntax-do-expressions, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-jsx, babel-plugin-syntax-module-string-names, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-record-and-tuple, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-top-level-await, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, 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-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-literals, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-new-target, babel-plugin-transform-object-assign, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-parameters, babel-plugin-transform-property-literals, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, 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-plugin-transform-unicode-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-standalone, babel-traverse, babel-types
  • #​12186 chore: use workspace:* for dev deps (@​JLHwung)
• babel-compat-data, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-remap-async-to-generator, babel-helper-simple-access, babel-helper-transform-fixture-test-runner, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-object-assign, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-template-literals, babel-preset-env, babel-preset-react, babel-runtime-corejs2, babel-runtime, babel-standalone
  • #​12175 Remove unused dependencies and devDependencies (@​nicolo-ribaudo)

v7.12.0

Compare Source

👓 Spec Compliance

• babel-core, babel-helper-module-transforms, babel-parser, babel-plugin-proposal-export-namespace-from, babel-plugin-syntax-module-string-names, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-types
  • #​12091 String import/export specifier (@​JLHwung)
• babel-parser
  • #​12111 [ts] Throw a syntax error for index signature with declare (@​sosukesuzuki)

🚀 New Feature

• babel-core, babel-generator, babel-parser, babel-plugin-syntax-import-assertions, babel-plugin-syntax-module-attributes, babel-standalone, babel-types
  • #​12139 Parse import-assertions (@​xtuc)
• babel-core, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-helper-replace-supers, babel-plugin-proposal-class-static-block, babel-plugin-transform-modules-commonjs, babel-standalone, babel-traverse, babel-types
  • #​12143 Transform class static block (@​JLHwung)
• babel-generator, babel-parser, babel-plugin-syntax-class-static-block, babel-types
  • #​12079 Parse class static block (@​JLHwung)
• babel-generator, babel-parser, babel-types
  • #​12129 Support TypeScript mapped type 'as' clauses (@​existentialism)
  • #​12147 [ts] Add support for the "intrinsic" keyword (@​nicolo-ribaudo)
• babel-parser, babel-types
  • #​12131 [ts] Add support for template interpolations in types (@​nicolo-ribaudo)
• babel-plugin-transform-modules-systemjs
  • #​12163 SystemJS top-level await support (@​guybedford)
• babel-plugin-transform-typescript, babel-preset-typescript
  • #​11950 Add jsxPragmaFrag support to typescript transform (@​JLHwung)
• babel-core, babel-helper-module-transforms, babel-parser, babel-plugin-proposal-export-namespace-from, babel-plugin-syntax-module-string-names, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-types
  • #​12091 String import/export specifier (@​JLHwung)
• babel-core
  • #​11907 Return a list of files that were read from loadPartialConfig (@​devongovett)

🐛 Bug Fix

• babel-parser
  • #​12167 [ts] Add asserts: false to TSTypePredicate node (@​sosukesuzuki)
  • #​12161 Move check for TSTypeCastExpression to catch another case (@​existentialism)
  • #​12120 Throw a recoverable error for missing initializer in const declaration (@​sosukesuzuki)
  • #​12108 Improve syntax error for class fields in ambient context (@​sosukesuzuki)
  • #​12088 Throw a syntax error for empty type parameter/argument (@​sosukesuzuki)
  • #​12093 Throw an error for a declare class field that have an initializer (@​sosukesuzuki)
  • #​12085 Do not throw an error for optional binding pattern params in function declaration (@​sosukesuzuki)
  • #​12076 Fix invalid setter parse (@​fisker)
  • #​12054 Throw a syntax error for a declare function with a body (@​sosukesuzuki)
  • #​12065 Throw a syntax error for a constructor with type parameters (@​sosukesuzuki)
• babel-plugin-transform-typescript
  • #​12149 fix transform-typescript logic to remove definite fields (@​akphi)
  • #​12122 [transform-typescript] Fix import elision for type exports (@​Amareis)
• babel-helper-member-expression-to-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-nullish-coalescing-operator, babel-plugin-proposal-optional-chaining
  • #​12032 Handle cases when ?? and ?. is in binding initializers (@​JLHwung)
• babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
  • #​12116 add .js extension to react runtime for JSX transform (@​lunaruan)
• babel-traverse, babel-types
  • #​12119 fix: mark Pattern in CatchClause as scope (@​JLHwung)
• babel-generator
  • #​12114 Fix printing TSTypeOperator (@​existentialism)
  • #​12082 Ensure expressions wrapped in parens (@​overlookmotel)
  • #​12081 Fix @babel/generator does not print decorators of private properties (@​zweimach)
  • #​12086 Add sourcemap markings for each line of a string (@​jridgewell)
• babel-plugin-transform-modules-systemjs
  • #​12110 Fix reexporting init-less variable in systemjs (@​JLHwung)
• babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-plugin-transform-runtime
  • #​11739 [cjs] Skip duplicate reexported bindings in namespace reexports (@​mischnic)
• babel-helper-create-regexp-features-plugin, babel-plugin-transform-unicode-regex
  • #​12077 Bump regexpu-core (@​existentialism)
• babel-plugin-proposal-do-expressions, babel-traverse
  • #​11728 fix(do-expr): SwitchStatement with IfStatement cases (@​barronwei)

💅 Polish

• babel-parser
  • #​12072 [parser] Better error message for missing number exponent (@​iamfotx)
  • #​12061 Throw a syntax error for a parameter properties in not constructor (@​sosukesuzuki)
• babel-helper-compilation-targets, babel-helper-validator-option, babel-preset-env
  • #​12006 refactor: add @​babel/helper-validator-option (@​JLHwung)

🏠 Internal

• babel-cli, babel-helper-transform-fixture-test-runner, babel-traverse
  • #​11797 Replace lodash 'defaults' usage with ES6 Spread initializer (@​jayaddison)
• babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​10853 Specify runtime exports (@​JLHwung)
• babel-core
  • #​11689 Instantiate presets before plugins (@​nicolo-ribaudo)
• babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-numeric-separator, babel-plugin-syntax-import-meta, babel-plugin-syntax-logical-assignment-operators, babel-plugin-syntax-numeric-separator, babel-plugin-transform-modules-systemjs, babel-preset-env, babel-standalone
  • #​12117 Archive plugins (@​JLHwung)
• Other
  • #​12154 chore: bump gulp-cli to 2.3.0 (@​JLHwung)
  • #​12134 Yarn 2.3 (@​nicolo-ribaudo)
  • #​12099 fix: apply terser plugin only on *.min.js (@​JLHwung)
  • #​12098 docs: update build required node version (@​JLHwung)
  • #​12078 Bump Babel deps (@​existentialism)
  • #​12070 chore: pin browserslist version to 4.12.0 (@​JLHwung)
  • #​12063 chore: add git-blame-ignore-revs (@​JLHwung)
  • #​12049 chore: use latest node on ci workflow when possible (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #​12118 chore: bump electron-to-chromium (@​JLHwung)
• babel-parser
  • #​12103 Add missing tests for TypeScript syntax errors (@​sosukesuzuki)
• babel-core, babel-plugin-transform-runtime
  • #​12102 docs: Fix simple typo, preprelease -> pre-release (@​timgates42)
• babel-compat-data
  • #​12044 chore: remove unused dependencies (@​JLHwung)

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

👻 Immortal: This MR will be recreated if closed unmerged. Get config help if that's undesired.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot. The local configuration can be found in the SI Renovate Bot repository.