number-helper-functions

Library with multiple number-related methods.

Installation

Using npm

npm i number-helper-functions

Using yarn

yarn add number-helper-functions

Usage

In a CommonJS env

const NumberHelper = require('number-helper-functions');

NumberHelper.isInt(4); // returns true

or

const { isFinite } = require('number-helper-functions');

NumberHelper.isFinite(Infinity); // returns false

Using ES6 imports

import NumberHelper from 'number-helper-functions';

NumberHelper.isInt(4); // returns true

or

import { processNumber } from 'number-helper-functions';

NumberHelper.processNumber('4.5432', 2); // returns 4.54

Documentation

Table of contents

Functions

• checkDecimals
• convertToNumber
• enforceNumber
• getRandom
• isEven
• isFloat
• isInt
• isNumber
• isOdd
• isPrime
• prefixWithZeros
• processNumber
• rangeBetween

Functions

checkDecimals

▸ checkDecimals(number: NumberLike): number

Checks the decimals of a number

Parameters:

Name	Type	Description
number	NumberLike	Number to check the amount of decimals of

Returns: number

The number of decimals

Defined in: modules/format.ts:21

---

convertToNumber

▸ convertToNumber(toCheck: NumberLike, decimals?: number): number

Converts string to number

Parameters:

Name	Type	Default value	Description
toCheck	NumberLike	-	Number-like to convert
decimals	number	2	-

Returns: number

Converted number

Defined in: modules/format.ts:38

---

enforceNumber

▸ enforceNumber(n: NumberLike): number

Parameters:

Name	Type
n	NumberLike

Returns: number

Defined in: modules/base.ts:3

---

getRandom

▸ getRandom(min: number, max: number): number

Gets random integer number in a range

Parameters:

Name	Type	Description
min	number	Minimum number
max	number	Maximum number

Returns: number

Random number in range

Defined in: modules/random.ts:8

---

isEven

▸ isEven(n: NumberLike): boolean

Checks if number is even Any integer that can be divided exactly by 2 is an even number

Parameters:

Name	Type	Description
n	NumberLike	Number to check

Returns: boolean

Whether the number is even or not

Defined in: modules/checks.ts:49

---

isFloat

▸ isFloat(n: NumberLike): boolean

Checks if element is a float number

Parameters:

Name	Type	Description
n	NumberLike	Number to check

Returns: boolean

Whether the number is a float or not

Defined in: modules/checks.ts:34

---

isInt

▸ isInt(n: NumberLike): boolean

Checks if element is an integer

Parameters:

Name	Type	Description
n	NumberLike	Number to check

Returns: boolean

Whether the number is an integer or not

Defined in: modules/checks.ts:20

---

isNumber

▸ isNumber(n: NumberLike): boolean

Checks if element is a number

Parameters:

Name	Type	Description
n	NumberLike	The element to check

Returns: boolean

Whether the element is a number or not

Defined in: modules/checks.ts:10

---

isOdd

▸ isOdd(n: NumberLike): boolean

Checks if number is odd Any integer that cannot be divided exactly by 2 is an odd number.

Parameters:

Name	Type	Description
n	NumberLike	Number to check

Returns: boolean

Whether the number is odd or not

Defined in: modules/checks.ts:60

---

isPrime

▸ isPrime(num: number): boolean

Checks if number is prime Natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers

Parameters:

Name	Type	Description
num	number	Number to check

Returns: boolean

Whether the numbere is prime or not

Defined in: modules/checks.ts:71

---

prefixWithZeros

▸ prefixWithZeros(number: number, length: number): string

Prefixes a number with zeros until desired length

Parameters:

Name	Type	Description
number	number	Number to pad
length	number	Desired number length

Returns: string

Padded number as a string

Defined in: modules/format.ts:12

---

processNumber

▸ processNumber(value: NumberLike, decimals?: number): number

Processes number to get clean value

Parameters:

Name	Type	Default value	Description
value	NumberLike	-	String or number to process
decimals	number	2	-

Returns: number

Parsed and processed number

Defined in: modules/format.ts:55

---

rangeBetween

▸ rangeBetween(start: number, end: number, step: number): number[]

Creates a range between start and end, including them, according to step

Parameters:

Name	Type	Description
start	number	Starting value
end	number	End value
step	number	Step to use for the range

Returns: number[]

The range

Defined in: modules/utilities.ts:12