40 lines
904 B
TypeScript
40 lines
904 B
TypeScript
// @strict: true
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// @declaration: true
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// Repro from #31771
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enum E1 { ONE, TWO, THREE }
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declare enum E2 { ONE, TWO, THREE }
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type Bins1 = { [k in E1]?: string; }
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type Bins2 = { [k in E2]?: string; }
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const b1: Bins1 = {};
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const b2: Bins2 = {};
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const e1: E1 = E1.ONE;
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const e2: E2 = E2.ONE;
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b1[1] = "a";
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b1[e1] = "b";
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b2[1] = "a";
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b2[e2] = "b";
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// Multiple numeric enum types accrue to the same numeric index signature in a mapped type
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declare function val(): number;
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enum N1 { A = val(), B = val() }
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enum N2 { C = val(), D = val() }
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type T1 = { [K in N1 | N2]: K };
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// Enum types with string valued members are always literal enum types and therefore
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// ONE and TWO below are not computed members but rather just numerically valued members
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// with auto-incremented values.
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declare enum E { ONE, TWO, THREE = 'x' }
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const e: E = E.ONE;
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const x: E.ONE = e;
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