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prevent carry over for @clientName #412

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Mar 13, 2024
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7 changes: 7 additions & 0 deletions .chronus/changes/prevent-carry-over-2024-2-13-14-34-30.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
---
changeKind: fix
packages:
- "@azure-tools/typespec-client-generator-core"
---

prevent carry over for @clientName
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Suggested change
prevent carry over for @clientName
prevent carry over for `@clientName`

make sure you wrap decorator as this is markdown and in github it will tag the user of that name otherwise

22 changes: 22 additions & 0 deletions packages/typespec-client-generator-core/src/decorators.ts
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
import {
AugmentDecoratorStatementNode,
DecoratorContext,
DecoratorExpressionNode,
DecoratorFunction,
EmitContext,
Enum,
Expand All @@ -16,6 +18,7 @@ import {
Union,
getNamespaceFullName,
getProjectedName,
ignoreDiagnostics,
isService,
isTemplateDeclaration,
isTemplateDeclarationOrInstance,
Expand Down Expand Up @@ -818,6 +821,25 @@ export function $clientName(
value: string,
scope?: LanguageScopes
) {
if (entity.kind === "Model" || entity.kind === "Operation") {
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Can you add a reference to this issue microsoft/typespec#2717

that this is a workaround for the lack of functionality in the compiler.

if ((context.decoratorTarget as Node).kind === SyntaxKind.AugmentDecoratorStatement) {
if (
ignoreDiagnostics(
context.program.checker.resolveTypeReference(
(context.decoratorTarget as AugmentDecoratorStatementNode).targetType
)
) !== entity
) {
return;
}
}
if ((context.decoratorTarget as Node).kind === SyntaxKind.DecoratorExpression) {
if ((context.decoratorTarget as DecoratorExpressionNode).parent !== entity.node) {
return;
}
}
}

setScopedDecoratorData(context, $clientName, clientNameKey, entity, value, scope);
}

Expand Down
65 changes: 65 additions & 0 deletions packages/typespec-client-generator-core/test/decorators.test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ import { beforeEach, describe, it } from "vitest";
import {
getAccess,
getClient,
getClientNameOverride,
getOperationGroup,
getUsage,
listClients,
Expand Down Expand Up @@ -2350,4 +2351,68 @@ describe("typespec-client-generator-core: decorators", () => {
});
});
});

describe("@clientName", () => {
it("carry over", async () => {
const { Test1, Test2, func1, func2 } = (await runner.compile(`
@service({})
@test namespace MyService {
@test
@clientName("Test1Rename")
model Test1{}

@test
model Test2 is Test1{}

@test
@route("/func1")
@clientName("func1Rename")
op func1(): void;

@test
@route("/func2")
op func2 is func1;
}
`)) as { Test1: Model; Test2: Model; func1: Operation; func2: Operation };

strictEqual(getClientNameOverride(runner.context, Test1), "Test1Rename");
strictEqual(getClientNameOverride(runner.context, Test2), undefined);
strictEqual(getClientNameOverride(runner.context, func1), "func1Rename");
strictEqual(getClientNameOverride(runner.context, func2), undefined);
});

it("augment carry over", async () => {
const { Test1, Test2, func1, func2 } = (await runner.compileWithCustomization(
`
@service({})
@test namespace MyService {
@test
model Test1{}

@test
model Test2 is Test1{}

@test
@route("/func1")
op func1(): void;

@test
@route("/func2")
op func2 is func1;
}
`,
`
namespace Customizations;

@@clientName(MyService.Test1, "Test1Rename");
@@clientName(MyService.func1, "func1Rename");
`
)) as { Test1: Model; Test2: Model; func1: Operation; func2: Operation };

strictEqual(getClientNameOverride(runner.context, Test1), "Test1Rename");
strictEqual(getClientNameOverride(runner.context, Test2), undefined);
strictEqual(getClientNameOverride(runner.context, func1), "func1Rename");
strictEqual(getClientNameOverride(runner.context, func2), undefined);
});
});
});
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