Random person selector

index.js

const allPeople = ['Aisha', 'Amina', 'Anya', 'Carlos', 'Chen', 'Liam', 'Nia', 'Oliver', 'Raj', 'Yuki' ]
const peopleAlreadySpeaking = ['Anya', 'Raj']
const numberOfPeople = 2

// Fisher–Yates shuffle
function shuffle(list) {
  const xs = list.slice()

  let currentIndex = xs.length
  let randomIndex

  // While there remain elements to shuffle
  while (currentIndex > 0) {
    // Pick a remaining element
    randomIndex = Math.floor(Math.random() * currentIndex)
    currentIndex--

    // And swap it with the current element
    ;[xs[currentIndex], xs[randomIndex]] = [xs[randomIndex], xs[currentIndex]]
  }

  return xs
}

const eligiblePeople = allPeople.filter((person) => !peopleAlreadySpeaking.includes(person))
const chosenPeople = shuffle(eligiblePeople).slice(0, numberOfPeople)

console.log('------')
console.log(`Randomly chosen: ${chosenPeople.join(', ')}`)
console.log(`Generated on ${new Date()}`)