14 lines
759 B
TypeScript
14 lines
759 B
TypeScript
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// @strict: true
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const foo: Record<never, never> = {} // OK
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interface RecordOfRecords extends Record<keyof any, RecordOfRecords> {}
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const recordOfRecords: RecordOfRecords = {}
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recordOfRecords.propA = {...(foo !== undefined ? {foo} : {})} // OK
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recordOfRecords.propB = {...(foo && {foo})} // OK
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recordOfRecords.propC = {...(foo !== undefined && {foo})} // error'd in 3.7 beta, should be OK
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interface RecordOfRecordsOrEmpty extends Record<keyof any, RecordOfRecordsOrEmpty | {}> {}
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const recordsOfRecordsOrEmpty: RecordOfRecordsOrEmpty = {}
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recordsOfRecordsOrEmpty.propA = {...(foo !== undefined ? {foo} : {})} // OK
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recordsOfRecordsOrEmpty.propB = {...(foo && {foo})} // OK
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recordsOfRecordsOrEmpty.propC = {...(foo !== undefined && {foo})} // OK
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