publicEmployees.js

et arr = [
  {
    firstName: 'Terrance',
    lastName: 'Bryant',
    officeLocation: 'San Diego',
    title: 'Front End Engineer II'
  },
  {
    firstName: 'James',
    lastName: 'Bond',
    officeLocation: 'San Diego',
    title: 'Front End Engineer II'
  },
  {
    firstName: 'Kobe',
    lastName: 'Bryant',
    officeLocation: 'San Diego',
    title: 'Front End Engineer III'
  },
  {
    firstName: 'Ace',
    lastName: 'Ventura',
    officeLocation: 'San Diego',
    title: 'Front End Engineer II'
  }
]

let publicList = arr.map((employee) => {
  return {
    fullName: `${employee.firstName} ${employee.lastName}`,
    officeLocation: employee.officeLocation,
    title: employee.title
  }
});

console.log(publicList)