README.md

📦 array-kit# 📦 array-kit

A lightweight utility library for common array operations like isEmpty, isNotEmpty, first, last, and unique.
Designed to be minimal, typed, and framework-agnostic — a tiny alternative to Lodash for array checks.

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🚀 Installation

npm

npm i array-kit-lite

pnpm

pnpm add array-kit-lite

yarn

yarn add array-kit-lite

bun

bun add array-kit-lite
# or
bunx jsr add @kingtechnologies/array-kit

JSR (Deno / Modern Node)

deno add jsr:@kingtechnologies/array-kit

// Import directly with a jsr specifier
import * as array_kit from "jsr:@kingtechnologies/array-kit";

✨ Features

• ✅ TypeScript support out of the box
• ✅ Works in Node.js, Deno, and modern browsers
• ✅ Tiny footprint — only the essentials
• ✅ Tree-shakeable

Usage

// ESM / TypeScript
import { first, isEmpty, isNotEmpty, last, unique } from "array-kit-lite";

import { isEmpty } from "@kingtechnologies/array-kit";

console.log(isEmpty([])); // true
console.log(isNotEmpty([1, 2, 3])); // true

Example

isEmpty([]); // true
isNotEmpty([1, 2, 3]); // true

first([10, 20, 30]); // 10
last([10, 20, 30]); // 30

unique([1, 1, 2, 3, 3]); // [1, 2, 3]

API

Function	Description
isEmpty(arr)	Returns true if the array is null, undefined, or empty
isNotEmpty(arr)	Returns true if the array contains at least one element
first(arr)	Returns the first element, or undefined if empty
last(arr)	Returns the last element, or undefined if empty
unique(arr)	Returns a new array with duplicates removed