number finite integer

@nick/is/number/finite-integer

isFiniteInteger

Signature

function isFiniteInteger<N = number>(it: N): it is FiniteInteger<N>;

Checks if a given value is a finite integer.

Parameters

Name	Info
it	The value to check.

Returns

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

Category

Numbers

Examples

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

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

isFiniteInteger

Signature

function isFiniteInteger(it: unknown): it is FiniteInteger;

Checks if a given value is a finite integer.

Parameters

Name	Info
it	The value to check.

Returns

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

Category

Numbers

Examples

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

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

FiniteInteger

Signature

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

Casts a value into a 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