js-utility-method

A lightweight collection of standalone JavaScript utility functions — easy to use, adapt, and extend. Organized by purpose (e.g. arrays, strings, numbers), each method is designed for clarity, flexibility, and direct integration into any project.

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📖 Explore the Full Documentation

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Contributing

Contributions are welcome! 🎉

Please read CONTRIBUTING.md before submitting a pull request.
It explains how to contribute, report issues, and follow best practices.

Installation

Using npm:

npm install js-utility-method

Using yarn:

yarn add js-utility-method

Using pnpm:

pnpm add js-utility-method

Table of Contents

Generator

Name	Description
generateCode	Generates a random code (numeric, alphabetic, or alphanumeric) — ideal for creating OTPs, verification codes, or temporary identifiers.
generateStrongPassword	Generates a strong, secure password with customizable length and character types.
generateUUID	Generates a random UUID v4 string — ideal for creating unique identifiers.

Number

Name	Description
average	Calculates the average of a set of numbers.
checkIsNumber	Checks if a value is a valid number (optionally finite).
checkIsPositiveNumber	Checks if a value is a positive number.
checkIsValidRange	Validates if a number falls within a given range.
isOdd	Checks if a number is odd.
multiply	Multiplies two numbers.
randomInRange	Generates a random number between a given min and max.

Object

Name	Description
pickKeys	Returns a new object composed of the specified keys from the source object.
omitKeys	Returns a new object with all keys from the source object except the specified keys.

Array

Name	Description
isArray	Checks whether the given value is an array.

String

Name	Description
capitalize	Capitalizes the first letter of a string.
camelCase	Converts a string to camelCase format.
removeSpaces	Removes all spaces from a string.
slugify	Converts a string to a URL-friendly slug.
truncate	Truncates a string to a specified length with an optional suffix.

Convert

Name	Description
convertArrayToCSV	Converts an array of objects or an array of arrays into a CSV string.
convertToNumber	Converts a value to a number with optional rounding and fallback.
toCurrency	Converts a number to a currency format with locale and currency options.

License

The MIT License (MIT)