The fastest deep equal with ES6 Map, Set and Typed arrays support. Inspired by
fast-deep-equal, re-published with ESM support.

Install

- npm

``bash
npm install --save @guanghechen/equal
`

- yarn

`bash
yarn add @guanghechen/equal
`

Usage

$3

`typescript
import isEqual from '@guanghechen/equal'

// Primitives
isEqual(1, 1) // true
isEqual('a', 'a') // true
isEqual(null, null) // true
isEqual(undefined, undefined) // true

// Objects
isEqual({ a: 1, b: 2 }, { a: 1, b: 2 }) // true
isEqual({ a: 1 }, { a: 2 }) // false

// Arrays
isEqual([1, 2, 3], [1, 2, 3]) // true
isEqual([1, 2], [1, 2, 3]) // false

// Nested structures
isEqual(
{ user: { name: 'John', tags: ['admin'] } },
{ user: { name: 'John', tags: ['admin'] } }
) // true
`

$3

`typescript
import { isEqual } from '@guanghechen/equal'

isEqual({ foo: 'bar' }, { foo: 'bar' }) // true
`

$3

`typescript
import isEqual from '@guanghechen/equal'

// RegExp
isEqual(/abc/gi, /abc/gi) // true
isEqual(/abc/g, /abc/i) // false

// Date
isEqual(new Date('2024-01-01'), new Date('2024-01-01')) // true

// Custom valueOf/toString
class Point {
constructor(public x: number, public y: number) {}
valueOf() { return this.x * 1000 + this.y }
}
isEqual(new Point(1, 2), new Point(1, 2)) // true
``

Reference

- [homepage][homepage]
- Inspired by fast-deep-equal

[homepage]:
https://github.com/guanghechen/sora/tree/@guanghechen/equal@2.0.0/packages/equal#readme