number negative finite integer

@nick/is/number/negative-finite-integer

isNegativeFiniteInteger

Signature

function isNegativeFiniteInteger<N = number>(
  it: N,
): it is NegativeFiniteInteger<N>;

Checks if a given value is a negative finite integer.

Parameters

Name	Info
it	The value to check.

Returns

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

Category

Numbers

Examples

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

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

isNegativeFiniteInteger

Signature

function isNegativeFiniteInteger(it: unknown): it is NegativeFiniteInteger;

Checks if a given value is a negative finite integer.

Parameters

Name	Info
it	The value to check.

Returns

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

Category

Numbers

Examples

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

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

NegativeFiniteInteger

Signature

export type NegativeFiniteInteger<N = number> = Cast<
  N,
  NEGATIVE & FINITE & INTEGER
>;

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

Type Parameters

• N (default: number)

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Category

Numbers