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deep-extend

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deep-extend

Recursive object extending

    0.6.0latest
    GitHub
    npm

Version published
Maintainers
1
Weekly downloads
12,948,075
decreased by-14.18%

Weekly downloads

Package description

What is deep-extend?

The deep-extend npm package is a utility for deep (recursive) extending of the properties of objects. It is useful for merging the contents of multiple objects into one. This can be particularly helpful when dealing with configurations or settings that need to be composed from multiple sources.

What are deep-extend's main functionalities?

Deep Merging of Objects

This feature allows you to merge multiple objects into a single object, combining and overriding properties as necessary. The properties from later objects will override those from earlier ones.

{"const deepExtend = require('deep-extend');
const obj1 = { a: 1, b: { c: 1 } };
const obj2 = { b: { d: 2 } };
const result = deepExtend({}, obj1, obj2);
console.log(result); // Output: { a: 1, b: { c: 1, d: 2 } }}

Other packages similar to deep-extend

Readme

Source

Deep Extend

Recursive object extending.

Build Status

NPM

Install

$ npm install deep-extend

Usage

var deepExtend = require('deep-extend');
var obj1 = {
  a: 1,
  b: 2,
  d: {
    a: 1,
    b: [],
    c: { test1: 123, test2: 321 }
  },
  f: 5,
  g: 123,
  i: 321,
  j: [1, 2]
};
var obj2 = {
  b: 3,
  c: 5,
  d: {
    b: { first: 'one', second: 'two' },
    c: { test2: 222 }
  },
  e: { one: 1, two: 2 },
  f: [],
  g: (void 0),
  h: /abc/g,
  i: null,
  j: [3, 4]
};

deepExtend(obj1, obj2);

console.log(obj1);
/*
{ a: 1,
  b: 3,
  d:
   { a: 1,
     b: { first: 'one', second: 'two' },
     c: { test1: 123, test2: 222 } },
  f: [],
  g: undefined,
  c: 5,
  e: { one: 1, two: 2 },
  h: /abc/g,
  i: null,
  j: [3, 4] }
*/

Unit testing

$ npm test

Changelog

CHANGELOG.md

Any issues?

Please, report about issues here.

License

MIT

Keywords

FAQs

Last updated on 22 May 2018

Did you know?

Socket installs a GitHub app to automatically flag issues on every pull request and report the health of your dependencies. Find out what is inside your node modules and prevent malicious activity before you update the dependencies.

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