replace-object-content

The module mutates the contents of an object to match the contents of another object.

The references of the source and the object from which properties are copied remains untouched.

See Usage to understand more.

Installation

yarn add replace-object-content

or

npm install replace-object-content --save

Usage

 
const original = {a:1,b:2,c:3};
 
const toCopyFromObject = {d:4,e:5,f:6};
 
const replaceObjectContent = require('replace-object-content');
 
const afterReplace = replaceObjectContent(original, toCopyFromObject);
 
console.log('original',original);
// original {d:4,e:5,f:6}   ----- notice the contents of the original object has been mutated to match the contents of the toCopyFromObject  object
 
console.log('toCopyFromObject',toCopyFromObject);
// toCopyFromObject {d:4,e:5,f:6}
 
console.log('afterReplace',afterReplace);
// afterReplace {d:4,e:5,f:6}
 

In short, the references of the original and toCopyFromObject remain as they were before. Only the contents of original becomes exactly same as contents of toCopyFromObject

// All of the bellow test cases pass
 
expect(original).toEqual(toCopyFrom); // content deep equal
expect(afterReplace).toEqual(toCopyFrom); // content deep equal
expect(afterReplace === original).toEqual(true); //making sure reference is equal
expect(original === toCopyFrom).toEqual(false); //making sure original and toCopyFrom references are not equal
expect(afterReplace === toCopyFrom).toEqual(false); //making sure afterReplace and toCopyFrom references are not equal