27 lines
507 B
Plaintext
27 lines
507 B
Plaintext
import type {GreaterThanOrEqual} from './greater-than-or-equal';
|
|
|
|
/**
|
|
Returns a boolean for whether a given number is less than another number.
|
|
|
|
@example
|
|
```
|
|
import type {LessThan} from 'type-fest';
|
|
|
|
LessThan<1, -5>;
|
|
//=> false
|
|
|
|
LessThan<1, 1>;
|
|
//=> false
|
|
|
|
LessThan<1, 5>;
|
|
//=> true
|
|
```
|
|
*/
|
|
export type LessThan<A extends number, B extends number> = number extends A | B
|
|
? never
|
|
: GreaterThanOrEqual<A, B> extends infer Result
|
|
? Result extends true
|
|
? false
|
|
: true
|
|
: never; // Should never happen
|