database.js

export class User {}
export class Job {}

let userNames = ['chuck', 'you', 'him']
let users = userNames.map((name, id) => {
  let user = new User()
  user.id = `${id}`
  user.name = name
  return user
})

let jobList = [
  [0, 'manager', 500],
  [1, 'developer', 400],
  [2, 'designer', 300]
]

let jobs = jobList.map((job, id) => {
  let newJob = new Job()
  newJob.id = `${id}`
  newJob.name = job[1]
  newJob.salary = `${job[2]}`
  return newJob
})

export function getChuck() { return users[0] }
export function getUser(id) { return users.find((user) => user.id === id) }
export function getUsers() { return users }
export function getJob(id) { return jobs.find(j => j.id === id) }
export function getJobs() { return jobs }