61ccc49a7b
* Fix check for overwritten properties in object spreads * Accept new baselines * Add tests * Accept new baselines
30 lines
1.5 KiB
Plaintext
30 lines
1.5 KiB
Plaintext
tests/cases/conformance/types/spread/spreadDuplicate.ts(10,12): error TS2783: 'a' is specified more than once, so this usage will be overwritten.
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tests/cases/conformance/types/spread/spreadDuplicate.ts(12,12): error TS2783: 'a' is specified more than once, so this usage will be overwritten.
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==== tests/cases/conformance/types/spread/spreadDuplicate.ts (2 errors) ====
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// Repro from #44438
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declare let a: { a: string };
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declare let b: { a?: string };
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declare let c: { a: string | undefined };
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declare let d: { a?: string | undefined };
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declare let t: boolean;
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let a1 = { a: 123, ...a }; // string (Error)
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~~~~~~
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!!! error TS2783: 'a' is specified more than once, so this usage will be overwritten.
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!!! related TS2785 tests/cases/conformance/types/spread/spreadDuplicate.ts:10:20: This spread always overwrites this property.
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let b1 = { a: 123, ...b }; // string | number
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let c1 = { a: 123, ...c }; // string | undefined (Error)
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~~~~~~
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!!! error TS2783: 'a' is specified more than once, so this usage will be overwritten.
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!!! related TS2785 tests/cases/conformance/types/spread/spreadDuplicate.ts:12:20: This spread always overwrites this property.
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let d1 = { a: 123, ...d }; // string | number
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let a2 = { a: 123, ...(t ? a : {}) }; // string | number
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let b2 = { a: 123, ...(t ? b : {}) }; // string | number
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let c2 = { a: 123, ...(t ? c : {}) }; // string | number
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let d2 = { a: 123, ...(t ? d : {}) }; // string | number
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