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Stored size: 1.43 KB
Contents
import type {NumberAbsolute, PositiveNumericStringGt} from './internal';
import type {IsEqual} from './is-equal';
import type {PositiveInfinity, NegativeInfinity, IsNegative} from './numeric';
import type {And} from './and';
import type {Or} from './or';
/**
Returns a boolean for whether a given number is greater than another number.
@example
```
import type {GreaterThan} from 'type-fest';
GreaterThan<1, -5>;
//=> true
GreaterThan<1, 1>;
//=> false
GreaterThan<1, 5>;
//=> false
```
*/
export type GreaterThan<A extends number, B extends number> = number extends A | B
? never
: [
IsEqual<A, PositiveInfinity>, IsEqual<A, NegativeInfinity>,
IsEqual<B, PositiveInfinity>, IsEqual<B, NegativeInfinity>,
] extends infer R extends [boolean, boolean, boolean, boolean]
? Or<
And<IsEqual<R[0], true>, IsEqual<R[2], false>>,
And<IsEqual<R[3], true>, IsEqual<R[1], false>>
> extends true
? true
: Or<
And<IsEqual<R[1], true>, IsEqual<R[3], false>>,
And<IsEqual<R[2], true>, IsEqual<R[0], false>>
> extends true
? false
: true extends R[number]
? false
: [IsNegative<A>, IsNegative<B>] extends infer R extends [boolean, boolean]
? [true, false] extends R
? false
: [false, true] extends R
? true
: [false, false] extends R
? PositiveNumericStringGt<`${A}`, `${B}`>
: PositiveNumericStringGt<`${NumberAbsolute<B>}`, `${NumberAbsolute<A>}`>
: never
: never;
Version data entries
28 entries across 28 versions & 2 rubygems