const cloneArrayObjects = require('clone-array-objects');
let users = [{ id: 1, username: 'bret' }, { id: 2, username: 'samantha' }];

// Clone this users array
let clonedUsers = cloneArrayObjects(users);
console.log(clonedUsers);
//=> [{ id: 1, username: 'bret' }, { id: 2, username: 'samantha' }];

// Let us modify one of the object key value in the actual users array
users[1].username = 'ava';

// So, actual users array has been updated now
console.log(users);
//=> [{ id: 1, username: 'bret' }, { id: 2, username: 'ava' }];

// But, the cloned users array is still the same
console.log(clonedUsers);
//=> [{ id: 1, username: 'bret' }, { id: 2, username: 'samantha' }];