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node.extend

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node.extend

A port of jQuery.extend that actually works on node.js


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511K
decreased by-2.48%
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2
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What is node.extend?

The node.extend package is a simple utility for deep and shallow extending (merging) of objects. It is useful for combining multiple objects into one, copying properties from one object to another, and creating new objects with inherited properties.

What are node.extend's main functionalities?

Shallow Extend

This feature allows you to perform a shallow merge of multiple objects. In the example, properties from obj2 overwrite those in obj1 where they conflict.

const extend = require('node.extend');
const obj1 = { a: 1, b: 2 };
const obj2 = { b: 3, c: 4 };
const result = extend({}, obj1, obj2);
console.log(result); // { a: 1, b: 3, c: 4 }

Deep Extend

This feature allows you to perform a deep merge of multiple objects. Nested objects are merged recursively. In the example, the nested properties of obj2 overwrite those in obj1 where they conflict.

const extend = require('node.extend');
const obj1 = { a: 1, b: { x: 1, y: 2 } };
const obj2 = { b: { y: 3, z: 4 }, c: 5 };
const result = extend(true, {}, obj1, obj2);
console.log(result); // { a: 1, b: { x: 1, y: 3, z: 4 }, c: 5 }

Clone Object

This feature allows you to create a deep clone of an object. The example demonstrates cloning an object with nested properties.

const extend = require('node.extend');
const obj = { a: 1, b: { x: 1, y: 2 } };
const clone = extend(true, {}, obj);
console.log(clone); // { a: 1, b: { x: 1, y: 2 } }

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Package last updated on 21 Oct 2023

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