13 lines
243 B
TypeScript
13 lines
243 B
TypeScript
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type ObjectKeys<T> =
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T extends object
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? `${Exclude<keyof T, symbol>}`[]
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: T extends number
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? []
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: T extends any | string
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? string[]
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: never
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interface ObjectConstructor {
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keys<T> (o: T): ObjectKeys<T>
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}
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