defaulty

Copies deep missing properties to the target object.

Installation

Node.js

npm install defaulty --save

Example

const defaulty = require('defaulty');

const defaultObj = {a: 1, b: 2, c: 3, d: {a: 5, b: 2}};
let targetObj = {a: 4, b: 5, d: {a: 1}};

defaulty(targetObj, defaultObj);

console.log(targetObj); //=> {a: 4, b: 5, c: 3, d: {a: 1, b: 2}};

Exclude default properties

const defaultObj = {a: 1, b: 2, c: 3, d: {a: 5, b: 2}, x: 1, y: 2};
let targetObj = {a: 4, b: 5, d: {a: 1}};

defaulty(targetObj, defaultObj, ['x', 'y']);

console.log(targetObj); //=> {a: 4, b: 5, c: 3, d: {a: 1, b: 2}};

Copy target object

const defaultObj = {a: 1, b: 2, c: 3, d: {a: 5, b: 2}};
const targetObj = {a: 4, b: 5, d: {a: 1}};

const newTargetObject = defaulty.copy(targetObj, defaultObj);

console.log(newTargetObject); //=> {a: 4, b: 5, c: 3, d: {a: 1, b: 2}};
console.log(targetObj); //=> {a: 4, b: 5, d: {a: 1}};

Changelog

You can view the changelog here

License

Defaulty is open-sourced software licensed under the MIT license

Author

Fabio Ricali