Sha256: 672c1ebc4fa15a1c9b4911f1c68de2bc889f4d166a68c5be8f1e61f94014e9d8
Contents?: true
Size: 658 Bytes
Versions: 28
Compression:
Stored size: 658 Bytes
Contents
import type {IfEmptyObject} from './if-empty-object';
import type {IsUnion} from './internal';
/**
Create a type that only accepts an object with a single key.
@example
```
import type {SingleKeyObject} from 'type-fest';
const someFunction = <T>(parameter: SingleKeyObject<T>) => {};
someFunction({
value: true
});
someFunction({
value: true,
otherKey: true
});
// Error: Argument of type '{value: boolean; otherKey: boolean}' is not assignable to parameter of type 'never'.ts(2345)
```
@category Object
*/
export type SingleKeyObject<ObjectType> =
IsUnion<keyof ObjectType> extends true
? never
: IfEmptyObject<ObjectType, never, ObjectType>;
Version data entries
28 entries across 28 versions & 2 rubygems