number negative finite - nberlette/is GitHub Wiki

@nick/is/number/negative-finite

isNegativeFiniteNumber

Signature

function isNegativeFiniteNumber<N = number>(it: N): it is NegativeFinite<N>;

Checks if a given value is a negative finite number.

Parameters
Name Info
it The value to check.
Returns

true if the value is a negative finite number, false otherwise.

Category

Numbers

Examples

import { isNegativeFiniteNumber } from "jsr:@nick/is/integer";

console.log(isNegativeFiniteNumber(0)); // false
console.log(isNegativeFiniteNumber(1)); // false
console.log(isNegativeFiniteNumber(-1)); // true
console.log(isNegativeFiniteNumber(1.5)); // false
console.log(isNegativeFiniteNumber(NaN)); // false
console.log(isNegativeFiniteNumber(Infinity)); // false

isNegativeFiniteNumber

Signature

function isNegativeFiniteNumber(it: unknown): it is NegativeFinite;

Checks if a given value is a negative finite number.

Parameters
Name Info
it The value to check.
Returns

true if the value is a negative finite number, false otherwise.

Category

Numbers

Examples

import { isNegativeFiniteNumber } from "jsr:@nick/is/integer";

console.log(isNegativeFiniteNumber(0)); // false
console.log(isNegativeFiniteNumber(1)); // false
console.log(isNegativeFiniteNumber(-1)); // true
console.log(isNegativeFiniteNumber(1.5)); // false
console.log(isNegativeFiniteNumber(NaN)); // false
console.log(isNegativeFiniteNumber(Infinity)); // false

MaybeNegativeFinite

Signature

export type MaybeNegativeFinite<N = number> = Cast<N, MAYBE_NEGATIVE_FINITE>;

Casts a value into a partial negative finite type. If the value is not a number, it will resolve to never.

Type Parameters
  • N (default: number)
Category

Numbers

NegativeFinite

Signature

export type NegativeFinite<N = number> = Cast<N, NEGATIVE_FINITE>;

Casts a value into a negative finite type. If the value is not a number, it will resolve to never.

Type Parameters
  • N (default: number)
Category

Numbers

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