@unmilley/compare-arrays

Comparing the contents of the two arrays with additional results.

[!IMPORTANT]
Compare only the contents of an array with the contents of another array.
Neither the order nor the index

Usage

Install the package:

# pnpm
pnpm add @unmilley/compare-arrays
# yarn
yarn add @unmilley/compare-arrays
# npm
npm install @unmilley/compare-arrays

Import:

import { compareArrays } from "@unmilley/compare-arrays";

// Option 1: Simple comparison (returns boolean)
const arraysEqual = compareArrays(oldData, newData);
console.log(arraysEqual); // true or false

// Option 2: Getting change counters
const changes = compareArrays(oldData, newData, { withCounter: true });
console.log(changes); // { added: 2, deleted: 1 }

// Option 3: Explicit indication of changes
const changes = compareArrays(oldData, newData, { withModified: true });
console.log(changes); // { added: [{...}, {...}], deleted: [{...}] }

Development

• Clone this repository
• Install latest LTS version of Node.js
• Enable Corepack using corepack enable
• Install dependencies using pnpm install
• Run interactive tests using pnpm dev

License

MIT. Made with 💛