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fix(typescript-estree): don't double add decorators to a parameter property's parameter #5582

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merged 2 commits into from Sep 1, 2022
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fix(typescript-estree): don't double add decorators to a parameter property's parameter #5582

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5d6ec7e
fix(typescript-estree): don't double add decorators to a parameter pr…
bradzacher Aug 31, 2022
716b1ba
fix test
bradzacher Sep 1, 2022
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3 changes: 3 additions & 0 deletions ...-fixtures/fixtures/typescript/decorators/class-decorators/class-parameter-property.src.ts
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@@ -0,0 +1,3 @@
class A {
constructor(@d private x: number) {}
}
5 changes: 0 additions & 5 deletions packages/typescript-estree/src/convert.ts
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Expand Up @@ -1669,11 +1669,6 @@ export class Converter {
parameter.optional = true;
}

const decorators = getDecorators(node);
if (decorators) {
parameter.decorators = decorators.map(d => this.convertChild(d));
}

const modifiers = getModifiers(node);
if (modifiers) {
return this.createNode<TSESTree.TSParameterProperty>(node, {
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5 changes: 5 additions & 0 deletions packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts
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Expand Up @@ -444,6 +444,11 @@ tester.addFixturePatternConfig('typescript/decorators/class-decorators', {
*/
'export-default-class-decorator',
'export-named-class-decorator',
/**
* babel sets the range of the export node to the start of the parameter
* TSESTree sets it to the start of the decorator
*/
'class-parameter-property',
],
});
tester.addFixturePatternConfig('typescript/decorators/method-decorators', {
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2 changes: 2 additions & 0 deletions packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
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Expand Up @@ -2224,6 +2224,8 @@ exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" e

exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/decorators/class-decorators/class-decorator-factory.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;

exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/decorators/class-decorators/class-parameter-property.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;

exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/decorators/class-decorators/export-default-class-decorator.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;

exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/decorators/class-decorators/export-named-class-decorator.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
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