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Return type of function incorrectly resolved #6387

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overlookmotel opened this issue Oct 9, 2024 · 0 comments · May be fixed by #6388
Open

Return type of function incorrectly resolved #6387

overlookmotel opened this issue Oct 9, 2024 · 0 comments · May be fixed by #6388
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@Boshen
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A-semantic Area - Semantic C-bug Category - Bug

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@overlookmotel
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export type T = number;

function foo(n: number): T {
  type T = string;
  return n;
}

T in return type of foo should resolve to top level export type T, but instead gets resolved to type T inside the function body. Oxc Playground

TypeScript resolves it to the top-level T. TS Playground. If it was resolving to type T, the code would fail type check.
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@Boshen Boshen

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A-semantic Area - Semantic C-bug Category - Bug
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fix(semantic): correctly resolve binding for return type of functions oxc-project/oxc
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@overlookmotel @Boshen