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type-fest/source/less-than-or-equal.d.ts

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460 BTypeScriptView Raw

1import type {GreaterThan} from './greater-than';
2
3/**
4 Returns a boolean for whether a given number is less than or equal to another number.
5
6@example
7```
8import type {LessThanOrEqual} from 'type-fest';
9
10LessThanOrEqual<1, -5>;
11//=> false
12
13LessThanOrEqual<1, 1>;
14//=> true
15
16LessThanOrEqual<1, 5>;
17//=> true
18```
19*/
20export type LessThanOrEqual<A extends number, B extends number> = number extends A | B
21	? never
22	: GreaterThan<A, B> extends true ? false : true;

1	`import type {GreaterThan} from './greater-than';`
2
3	`/**`
4	`Returns a boolean for whether a given number is less than or equal to another number.`
5
6	`@example`
7	```
8	`import type {LessThanOrEqual} from 'type-fest';`
9
10	`LessThanOrEqual<1, -5>;`
11	`//=> false`
12
13	`LessThanOrEqual<1, 1>;`
14	`//=> true`
15
16	`LessThanOrEqual<1, 5>;`
17	`//=> true`
18	```
19	`*/`
20	`export type LessThanOrEqual<A extends number, B extends number> = number extends A \| B`
21	`? never`
22	`: GreaterThan<A, B> extends true ? false : true;`