mark6 lazy generator in javascript

mark6.js

const options = {
  n6 : { price: 10, columns: 6 },
  n7 : { price: 70, columns: 7 },
  n8 : { price: 280, columns: 8 }
}

const opt = 'n7'
const rows = 10

const columns = options[opt].columns
const min = 1
const max = 49
const results = []

const getRich = () => {
  const numbers = []
  while (numbers.length < columns) {
    const lucky = Math.floor( (Math.random() * (max - min + 1)) + min)
    !numbers.includes(lucky) && numbers.push(lucky)
  }
  return numbers.sort((a, b) => a - b).join(', ')
}

for (let y = 1; y <= rows; y++) {
  console.log(`Ticket ${y}: ${getRich()}`)
}

console.log(`
Tickets: ${rows}
Numbers per tickets: ${options[opt].columns}
Total price: ${options[opt].price * rows}
`)


/*
Ticket 1: 12, 13, 19, 25, 28, 37, 40
Ticket 2: 6, 11, 16, 17, 20, 43, 48
Ticket 3: 1, 8, 9, 37, 40, 47, 49
Ticket 4: 7, 12, 17, 18, 39, 45, 48
Ticket 5: 15, 34, 37, 40, 43, 48, 49
Ticket 6: 11, 15, 19, 22, 28, 34, 45
Ticket 7: 4, 6, 14, 17, 40, 42, 44
Ticket 8: 5, 19, 24, 26, 36, 40, 45
Ticket 9: 5, 10, 12, 14, 18, 21, 45
Ticket 10: 8, 14, 20, 24, 28, 32, 47

Tickets: 10
Numbers per tickets: 7
Total price: 700
*/