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Support decorator 2023-11 normative updates #16242

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merged 13 commits into from Jan 31, 2024

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JLHwung
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@JLHwung JLHwung commented Jan 27, 2024

Q                       A
Fixed Issues? Implement pzuraq/ecma262#12
Patch: Bug Fix?
Major: Breaking Change?
Minor: New Feature? Yes
Tests Added + Pass? Yes
Documentation PR Link babel/website#2860
Any Dependency Changes?
License MIT

In this PR we introduce a new decorator version 2023-11. In this version, any initializers added by context.addInitializer will be wrapped in a new per-field closure init_extra_, which is called when a field / accessor has been defined on the receiver.

For static fields or accessors, we insert the init_extra closure to the value node of the next static field / accessors, falling back to a new static block inserted at the end of the class body.

For non-static fields, the init_extra closure are handled exactly like how we handle the protoInit call mentioned in #16234: first to value node and second to constructors.

This PR can be reviewed by commits. The key commit is e635513, which shows the behaviour difference between 2023-05 and 2023-11, other commits are new decorator version routine.

@JLHwung JLHwung added PR: New Feature 🚀 A type of pull request used for our changelog categories Spec: Decorators PR: Needs Docs labels Jan 27, 2024
@JLHwung JLHwung marked this pull request as ready for review January 27, 2024 01:08
expect(this.#foo).toBe("#foo");
expect(() => this.#bar).toThrow();
});
};
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This test is field-initializers-after-methods with private flavour. Unfortunately our output is not valid because the decorator is hoisted out of the class. This test is disabled temporarily. This issue is related to #16176.

@JLHwung JLHwung force-pushed the decorator-23-11 branch 2 times, most recently from 73b5822 to 5f7293d Compare January 27, 2024 01:50
@@ -43,7 +43,8 @@ type DecoratorInfo =
]
| [classDecs: Function[]];

/**
function applyDecs2305Factory() {
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Is this necessary? I remember I moved all the top level functions for better minimization.

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I am not familiar with the minification part, currently we use factories for other deprecated decorator transforms as well. If they are unnecessary I can open a new PR to remove all applyDecs factories.

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I remember we used factory functions to avoid conflicts between functions with the same name in the top-level scope. In version 2305, I moved all top-level functions to the function body, so it should be able to avoid factory functions, while keeping the old version as is would be fine.

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Thanks! In that case I can revert the 2305 changes.

);
}

if (arguments.length >= 6) {
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I remember you removed this check.

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When applyDecs2305 was wrapped into a factory, the check in applyDecs2305.ts was replaced because the wrapper always pass 6 parameters (see a19712f). Now that applyDecs2305 does not have to be changed, this commit is removed as a result.

The check in applyDecs2311 is copied from applyDecs2305.ts. We could update it to parentClass !== void 0 as a class can not extend undefined and it will save us one byte or two.

@JLHwung JLHwung added this to the v7.24.0 milestone Jan 30, 2024
@@ -181,7 +187,9 @@ function addProxyAccessorsFor(
const { static: isStatic } = element.node;

const thisArg =
version === "2023-05" && isStatic ? className : t.thisExpression();
(version === "2023-11" || version === "2023-05") && isStatic
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As a follow-up PR, we should update all these version checks to only happen in Babel 7.

@nicolo-ribaudo nicolo-ribaudo added the PR: Ready to be Merged A pull request with already two approvals, but waiting for the next minor release label Jan 31, 2024
@JLHwung JLHwung changed the base branch from main to feat-7.24.0/decorators January 31, 2024 22:03
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JLHwung commented Jan 31, 2024

Merged to the umbrella branch feat-7.24.0/decorators as I plan to float more decorator bug fixes.

@JLHwung JLHwung merged commit ad09350 into babel:feat-7.24.0/decorators Jan 31, 2024
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@JLHwung JLHwung deleted the decorator-23-11 branch January 31, 2024 22:05
JLHwung added a commit that referenced this pull request Feb 14, 2024
* copy test cases from 2023-05

* update 2023-11 test options

* copy applyDecs2305 to applyDecs2311

* allow 2023-11 decorator version

* feat: support per-field intitializers

* update test fixtures

OVERWRITE=1 yarn jest decorators -t "2023 11"

* update generated helpers

* update other class tests

* expand field-initializers-after-methods case

* Add failing private flavour test

* update pipeline operator tests

* Don't run Babel 8 test with 2023-05 decorator

* add release todo item
nicolo-ribaudo pushed a commit that referenced this pull request Feb 26, 2024
* copy test cases from 2023-05

* update 2023-11 test options

* copy applyDecs2305 to applyDecs2311

* allow 2023-11 decorator version

* feat: support per-field intitializers

* update test fixtures

OVERWRITE=1 yarn jest decorators -t "2023 11"

* update generated helpers

* update other class tests

* expand field-initializers-after-methods case

* Add failing private flavour test

* update pipeline operator tests

* Don't run Babel 8 test with 2023-05 decorator

* add release todo item
nicolo-ribaudo pushed a commit that referenced this pull request Feb 27, 2024
* copy test cases from 2023-05

* update 2023-11 test options

* copy applyDecs2305 to applyDecs2311

* allow 2023-11 decorator version

* feat: support per-field intitializers

* update test fixtures

OVERWRITE=1 yarn jest decorators -t "2023 11"

* update generated helpers

* update other class tests

* expand field-initializers-after-methods case

* Add failing private flavour test

* update pipeline operator tests

* Don't run Babel 8 test with 2023-05 decorator

* add release todo item
nicolo-ribaudo pushed a commit that referenced this pull request Feb 27, 2024
* copy test cases from 2023-05

* update 2023-11 test options

* copy applyDecs2305 to applyDecs2311

* allow 2023-11 decorator version

* feat: support per-field intitializers

* update test fixtures

OVERWRITE=1 yarn jest decorators -t "2023 11"

* update generated helpers

* update other class tests

* expand field-initializers-after-methods case

* Add failing private flavour test

* update pipeline operator tests

* Don't run Babel 8 test with 2023-05 decorator

* add release todo item
liuxingbaoyu pushed a commit to liuxingbaoyu/babel that referenced this pull request Mar 5, 2024
* copy test cases from 2023-05

* update 2023-11 test options

* copy applyDecs2305 to applyDecs2311

* allow 2023-11 decorator version

* feat: support per-field intitializers

* update test fixtures

OVERWRITE=1 yarn jest decorators -t "2023 11"

* update generated helpers

* update other class tests

* expand field-initializers-after-methods case

* Add failing private flavour test

* update pipeline operator tests

* Don't run Babel 8 test with 2023-05 decorator

* add release todo item
Vylpes pushed a commit to Vylpes/random-bunny that referenced this pull request Apr 15, 2024
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@babel/traverse](https://babel.dev/docs/en/next/babel-traverse) ([source](https://github.com/babel/babel)) | resolutions | minor | [`7.23.9` -> `7.24.1`](https://renovatebot.com/diffs/npm/@babel%2ftraverse/7.23.9/7.24.1) |

---

### Release Notes

<details>
<summary>babel/babel (@&#8203;babel/traverse)</summary>

### [`v7.24.1`](https://github.com/babel/babel/blob/HEAD/CHANGELOG.md#v7241-2024-03-19)

[Compare Source](babel/babel@v7.24.0...v7.24.1)

##### 🐛 Bug Fix

-   `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16350](babel/babel#16350) Fix decorated class computed keys ordering ([@&#8203;JLHwung](https://github.com/JLHwung))
    -   [#&#8203;16344](babel/babel#16344) Fix decorated class static field private access ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-plugin-proposal-decorators`, `babel-plugin-proposal-json-modules`, `babel-plugin-transform-async-generator-functions`, `babel-plugin-transform-regenerator`, `babel-plugin-transform-runtime`, `babel-preset-env`
    -   [#&#8203;16329](babel/babel#16329) Respect `moduleName` for `@babel/runtime/regenerator` imports ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-decorators`, `babel-plugin-proposal-pipeline-operator`, `babel-plugin-transform-class-properties`
    -   [#&#8203;16331](babel/babel#16331) Fix decorator memoiser binding kind ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-helper-create-class-features-plugin`, `babel-helper-replace-supers`, `babel-plugin-proposal-decorators`, `babel-plugin-transform-class-properties`
    -   [#&#8203;16325](babel/babel#16325) Fix decorator evaluation private environment ([@&#8203;JLHwung](https://github.com/JLHwung))

##### 📝 Documentation

-   [#&#8203;16319](babel/babel#16319) Update SECURITY.md ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))

##### 🏠 Internal

-   `babel-code-frame`, `babel-highlight`
    -   [#&#8203;16359](babel/babel#16359) Replace `chalk` with `picocolors` ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helper-fixtures`, `babel-helpers`, `babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression`, `babel-plugin-proposal-pipeline-operator`, `babel-plugin-transform-unicode-sets-regex`, `babel-preset-env`, `babel-preset-flow`
    -   [#&#8203;16352](babel/babel#16352) Run Babel transform tests on old node if possible ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-helpers`, `babel-plugin-transform-async-generator-functions`, `babel-plugin-transform-class-properties`, `babel-plugin-transform-class-static-block`, `babel-plugin-transform-modules-commonjs`, `babel-plugin-transform-modules-systemjs`, `babel-plugin-transform-regenerator`, `babel-plugin-transform-runtime`, `babel-preset-env`, `babel-runtime-corejs3`, `babel-runtime`, `babel-standalone`
    -   [#&#8203;16323](babel/babel#16323) Allow separate helpers to be excluded in Babel 8 ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-module-imports`, `babel-plugin-proposal-import-wasm-source`, `babel-plugin-proposal-json-modules`, `babel-plugin-proposal-record-and-tuple`, `babel-plugin-transform-react-jsx-development`, `babel-plugin-transform-react-jsx`
    -   [#&#8203;16349](babel/babel#16349) Support merging imports in import injector ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression`, `babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining`, `babel-plugin-bugfix-v8-static-class-fields-redefine-readonly`, `babel-plugin-external-helpers`, `babel-plugin-proposal-async-do-expressions`, `babel-plugin-proposal-decorators`, `babel-plugin-proposal-destructuring-private`, `babel-plugin-proposal-do-expressions`, `babel-plugin-proposal-duplicate-named-capturing-groups-regex`, `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-attributes-to-assertions`, `babel-plugin-proposal-import-defer`, `babel-plugin-proposal-import-wasm-source`, `babel-plugin-proposal-json-modules`, `babel-plugin-proposal-optional-chaining-assign`, `babel-plugin-proposal-partial-application`, `babel-plugin-proposal-pipeline-operator`, `babel-plugin-proposal-record-and-tuple`, `babel-plugin-proposal-regexp-modifiers`, `babel-plugin-proposal-throw-expressions`, `babel-plugin-syntax-async-do-expressions`, `babel-plugin-syntax-decimal`, `babel-plugin-syntax-decorators`, `babel-plugin-syntax-destructuring-private`, `babel-plugin-syntax-do-expressions`, `babel-plugin-syntax-explicit-resource-management`, `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-import-attributes`, `babel-plugin-syntax-import-defer`, `babel-plugin-syntax-import-reflection`, `babel-plugin-syntax-import-source`, `babel-plugin-syntax-jsx`, `babel-plugin-syntax-module-blocks`, `babel-plugin-syntax-optional-chaining-assign`, `babel-plugin-syntax-partial-application`, `babel-plugin-syntax-pipeline-operator`, `babel-plugin-syntax-record-and-tuple`, `babel-plugin-syntax-throw-expressions`, `babel-plugin-syntax-typescript`, `babel-plugin-transform-arrow-functions`, `babel-plugin-transform-async-generator-functions`, `babel-plugin-transform-async-to-generator`, `babel-plugin-transform-block-scoped-functions`, `babel-plugin-transform-block-scoping`, `babel-plugin-transform-class-properties`, `babel-plugin-transform-class-static-block`, `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-dynamic-import`, `babel-plugin-transform-exponentiation-operator`, `babel-plugin-transform-export-namespace-from`, `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-json-strings`, `babel-plugin-transform-literals`, `babel-plugin-transform-logical-assignment-operators`, `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-new-target`, `babel-plugin-transform-nullish-coalescing-operator`, `babel-plugin-transform-numeric-separator`, `babel-plugin-transform-object-assign`, `babel-plugin-transform-object-rest-spread`, `babel-plugin-transform-object-set-prototype-of-to-assign`, `babel-plugin-transform-object-super`, `babel-plugin-transform-optional-catch-binding`, `babel-plugin-transform-optional-chaining`, `babel-plugin-transform-parameters`, `babel-plugin-transform-private-methods`, `babel-plugin-transform-private-property-in-object`, `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-self`, `babel-plugin-transform-react-jsx-source`, `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-property-regex`, `babel-plugin-transform-unicode-regex`, `babel-plugin-transform-unicode-sets-regex`, `babel-preset-env`, `babel-preset-flow`, `babel-preset-react`, `babel-preset-typescript`
    -   [#&#8203;16332](babel/babel#16332) Test Babel 7 plugins compatibility with Babel 8 core ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-compat-data`, `babel-plugin-transform-object-rest-spread`, `babel-preset-env`
    -   [#&#8203;16318](babel/babel#16318) \[babel 8] Fix `@babel/compat-data` package.json ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))

##### 🔬 Output optimization

-   `babel-helper-replace-supers`, `babel-plugin-transform-class-properties`, `babel-plugin-transform-classes`, `babel-plugin-transform-parameters`, `babel-plugin-transform-runtime`
    -   [#&#8203;16345](babel/babel#16345) Optimize the use of `assertThisInitialized` after `super()` ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-plugin-transform-class-properties`, `babel-plugin-transform-classes`
    -   [#&#8203;16343](babel/babel#16343) Use simpler `assertThisInitialized` more often ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-plugin-proposal-decorators`, `babel-plugin-transform-class-properties`, `babel-plugin-transform-object-rest-spread`, `babel-traverse`
    -   [#&#8203;16342](babel/babel#16342) Consider well-known and registered symbols as literals ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-core`, `babel-plugin-external-helpers`, `babel-plugin-proposal-decorators`, `babel-plugin-proposal-function-bind`, `babel-plugin-transform-class-properties`, `babel-plugin-transform-classes`, `babel-plugin-transform-flow-comments`, `babel-plugin-transform-flow-strip-types`, `babel-plugin-transform-function-name`, `babel-plugin-transform-modules-systemjs`, `babel-plugin-transform-parameters`, `babel-plugin-transform-private-property-in-object`, `babel-plugin-transform-react-jsx`, `babel-plugin-transform-runtime`, `babel-plugin-transform-spread`, `babel-plugin-transform-typescript`, `babel-preset-env`
    -   [#&#8203;16326](babel/babel#16326) Reduce the use of class names ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))

### [`v7.24.0`](https://github.com/babel/babel/blob/HEAD/CHANGELOG.md#v7240-2024-02-28)

[Compare Source](babel/babel@v7.23.9...v7.24.0)

##### 🚀 New Feature

-   `babel-standalone`
    -   [#&#8203;11696](babel/babel#11696) Export babel tooling packages in `@babel/standalone` ([@&#8203;ajihyf](https://github.com/ajihyf))
-   `babel-core`, `babel-helper-create-class-features-plugin`, `babel-helpers`, `babel-plugin-transform-class-properties`
    -   [#&#8203;16267](babel/babel#16267) Implement `noUninitializedPrivateFieldAccess` assumption ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helper-create-class-features-plugin`, `babel-helpers`, `babel-plugin-proposal-decorators`, `babel-plugin-proposal-pipeline-operator`, `babel-plugin-syntax-decorators`, `babel-plugin-transform-class-properties`, `babel-runtime-corejs2`, `babel-runtime-corejs3`, `babel-runtime`
    -   [#&#8203;16242](babel/babel#16242) Support decorator 2023-11 normative updates ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-preset-flow`
    -   [#&#8203;16309](babel/babel#16309) \[babel 7] Allow setting `ignoreExtensions` in Flow preset ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
    -   [#&#8203;16284](babel/babel#16284) Add `experimental_useHermesParser` option in `preset-flow` ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-import-to-platform-api`, `babel-plugin-proposal-import-wasm-source`, `babel-plugin-proposal-json-modules`, `babel-standalone`
    -   [#&#8203;16172](babel/babel#16172) Add transform support for JSON modules imports ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-plugin-transform-runtime`
    -   [#&#8203;16241](babel/babel#16241) Add back `moduleName` option to `@babel/plugin-transform-runtime` ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-parser`, `babel-types`
    -   [#&#8203;16277](babel/babel#16277) Allow import attributes for `TSImportType` ([@&#8203;sosukesuzuki](https://github.com/sosukesuzuki))

##### 🐛 Bug Fix

-   `babel-plugin-proposal-do-expressions`, `babel-traverse`
    -   [#&#8203;16305](babel/babel#16305) fix: avoid `popContext` on unvisited node paths ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-transform-private-methods`, `babel-plugin-transform-private-property-in-object`
    -   [#&#8203;16312](babel/babel#16312) Fix class private properties when `privateFieldsAsSymbols` ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-transform-private-methods`
    -   [#&#8203;16307](babel/babel#16307) Fix the support of `arguments` in private `get/set` method ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-create-class-features-plugin`, `babel-helpers`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16287](babel/babel#16287) Reduce decorator static property size ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16281](babel/babel#16281) Fix evaluation order of decorators with cached receiver ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
    -   [#&#8203;16279](babel/babel#16279) Fix decorator this memoization ([@&#8203;JLHwung](https://github.com/JLHwung))
    -   [#&#8203;16266](babel/babel#16266) Preserve `static` on decorated private `accessor` ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
    -   [#&#8203;16258](babel/babel#16258) fix: handle decorated async private method and generator ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-decorators`, `babel-plugin-transform-async-generator-functions`, `babel-plugin-transform-private-methods`, `babel-plugin-transform-private-property-in-object`, `babel-plugin-transform-typescript`, `babel-preset-env`
    -   [#&#8203;16275](babel/babel#16275) Fix class private properties when `privateFieldsAsProperties` ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helpers`
    -   [#&#8203;16268](babel/babel#16268) Do not consider `arguments` in a helper as a global reference ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helpers`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16270](babel/babel#16270) Handle symbol key class elements decoration ([@&#8203;JLHwung](https://github.com/JLHwung))
    -   [#&#8203;16265](babel/babel#16265) Do not define `access.get` for public setter decorators ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))

##### 💅 Polish

-   `babel-core`, `babel-helper-create-class-features-plugin`, `babel-preset-env`
    -   [#&#8203;12428](babel/babel#12428) Suggest using `BABEL_SHOW_CONFIG_FOR` for config problems ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))

##### 🏠 Internal

-   `babel-helper-transform-fixture-test-runner`
    -   [#&#8203;16278](babel/babel#16278) Continue writing `output.js` when `exec.js` throws ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))

##### 🔬 Output optimization

-   `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16306](babel/babel#16306) Avoid intermediate functions for private accessors with decs ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helper-create-class-features-plugin`, `babel-helpers`, `babel-plugin-proposal-decorators`, `babel-plugin-proposal-pipeline-operator`, `babel-plugin-transform-class-properties`
    -   [#&#8203;16294](babel/babel#16294) More aggressively inline decorators in the static block ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helper-create-class-features-plugin`, `babel-helpers`, `babel-plugin-transform-private-methods`
    -   [#&#8203;16283](babel/babel#16283) Do not use `classPrivateMethodGet` ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-create-class-features-plugin`, `babel-helpers`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16287](babel/babel#16287) Reduce decorator static property size ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))
-   `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-decorators`, `babel-plugin-transform-class-properties`
    -   [#&#8203;16280](babel/babel#16280) Reduce element decorator temp variables ([@&#8203;JLHwung](https://github.com/JLHwung))
-   `babel-helper-create-class-features-plugin`, `babel-helper-fixtures`, `babel-helpers`, `babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining`, `babel-plugin-proposal-decorators`, `babel-plugin-proposal-destructuring-private`, `babel-plugin-proposal-optional-chaining-assign`, `babel-plugin-transform-class-properties`, `babel-plugin-transform-class-static-block`, `babel-plugin-transform-private-methods`, `babel-plugin-transform-private-property-in-object`, `babel-preset-env`, `babel-runtime-corejs2`, `babel-runtime-corejs3`, `babel-runtime`
    -   [#&#8203;16261](babel/babel#16261) Do not use descriptors for private class elements ([@&#8203;nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-   `babel-helpers`, `babel-plugin-proposal-decorators`
    -   [#&#8203;16263](babel/babel#16263) Reduce helper size for decorator 2023-11 ([@&#8203;liuxingbaoyu](https://github.com/liuxingbaoyu))

</details>

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