extend

Deep merge objects.

Usage

import { extend } from 'js-cool'

Signature

function extend<T extends object>(target: T, ...sources: object[]): T

Parameters

Parameter	Type	Description
target	T	The target object
sources	object[]	Source objects to merge

Returns

T - The merged target object.

Examples

// Basic merge
extend({ a: 1 }, { b: 2 }) // { a: 1, b: 2 }

// Deep merge
extend({ a: { b: 1 } }, { a: { c: 2 } })
// { a: { b: 1, c: 2 } }

// Multiple sources
extend({}, { a: 1 }, { b: 2 }, { c: 3 })
// { a: 1, b: 2, c: 3 }

Notes

• Modifies the target object
• Performs deep merge for nested objects
• Arrays are concatenated, not merged