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fix(transformer/legacy-decorator): metadata should be inserted after all params decorators #13215
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08-19-fix_transformer_legacy-decorator_metadata_should_be_inserted_after_all_params_decorators
Aug 19, 2025
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24 changes: 24 additions & 0 deletions
24
.../transform_conformance/tests/legacy-decorators/test/fixtures/oxc/metadata/params/input.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| declare function methodDecorator(target: any); | ||
| declare function paramDecorator(target: any); | ||
|
|
||
| export class Foo { | ||
| @methodDecorator(1) | ||
| @methodDecorator(2) | ||
| method1(@paramDecorator param: string): boolean { | ||
| return !!param | ||
| } | ||
|
|
||
| @methodDecorator(1) | ||
| @methodDecorator(2) | ||
| method2(param: string): boolean { | ||
| return !!param | ||
| } | ||
|
|
||
| method3(@paramDecorator param: string): boolean { | ||
| return !!param | ||
| } | ||
|
|
||
| method4(@paramDecorator param: string, @paramDecorator param2: string): boolean { | ||
| return !!param | ||
| } | ||
| } |
66 changes: 66 additions & 0 deletions
66
...transform_conformance/tests/legacy-decorators/test/fixtures/oxc/metadata/params/output.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| export class Foo { | ||
| method1(param) { | ||
| return !!param; | ||
| } | ||
| method2(param) { | ||
| return !!param; | ||
| } | ||
| method3(param) { | ||
| return !!param; | ||
| } | ||
| method4(param, param2) { | ||
| return !!param; | ||
| } | ||
| } | ||
|
|
||
| babelHelpers.decorate( | ||
| [ | ||
| methodDecorator(1), | ||
| methodDecorator(2), | ||
| babelHelpers.decorateParam(0, paramDecorator), | ||
| babelHelpers.decorateMetadata("design:type", Function), | ||
| babelHelpers.decorateMetadata("design:paramtypes", [String]), | ||
| babelHelpers.decorateMetadata("design:returntype", Boolean), | ||
| ], | ||
| Foo.prototype, | ||
| "method1", | ||
| null, | ||
| ); | ||
|
|
||
| babelHelpers.decorate( | ||
| [ | ||
| methodDecorator(1), | ||
| methodDecorator(2), | ||
| babelHelpers.decorateMetadata("design:type", Function), | ||
| babelHelpers.decorateMetadata("design:paramtypes", [String]), | ||
| babelHelpers.decorateMetadata("design:returntype", Boolean), | ||
| ], | ||
| Foo.prototype, | ||
| "method2", | ||
| null, | ||
| ); | ||
|
|
||
| babelHelpers.decorate( | ||
| [ | ||
| babelHelpers.decorateParam(0, paramDecorator), | ||
| babelHelpers.decorateMetadata("design:type", Function), | ||
| babelHelpers.decorateMetadata("design:paramtypes", [String]), | ||
| babelHelpers.decorateMetadata("design:returntype", Boolean), | ||
| ], | ||
| Foo.prototype, | ||
| "method3", | ||
| null, | ||
| ); | ||
|
|
||
| babelHelpers.decorate( | ||
| [ | ||
| babelHelpers.decorateParam(0, paramDecorator), | ||
| babelHelpers.decorateParam(1, paramDecorator), | ||
| babelHelpers.decorateMetadata("design:type", Function), | ||
| babelHelpers.decorateMetadata("design:paramtypes", [String, String]), | ||
| babelHelpers.decorateMetadata("design:returntype", Boolean), | ||
| ], | ||
| Foo.prototype, | ||
| "method4", | ||
| null, | ||
| ); |
10 changes: 8 additions & 2 deletions
10
...s/transform_conformance/tests/legacy-decorators/test/fixtures/oxc/metadata/this/output.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,10 @@ | ||
| let Example = class Example { | ||
| constructor(a) {} | ||
| constructor(a) {} | ||
| }; | ||
| Example = babelHelpers.decorate([babelHelpers.decorateMetadata("design:paramtypes", [Object]), babelHelpers.decorateParam(0, dce)], Example); | ||
| Example = babelHelpers.decorate( | ||
| [ | ||
| babelHelpers.decorateParam(0, dce), | ||
| babelHelpers.decorateMetadata("design:paramtypes", [Object]), | ||
| ], | ||
| Example, | ||
| ); |
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