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HTML

              
                
              
            
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CSS

              
                
              
            
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JS

              
                import seedrandom from "https://cdn.skypack.dev/seedrandom@3.0.5";

//Enter the drawing seed here, and then check the console to see the list of numbers output. Make sure you keep the quotation marks!
const DRAWING_SEED = "9e8aecefc9e15ed36f230ff5d7aa49b64ddbaf78f99f4a819f7e2a5037efe028d1d549baf571b9ac36358115e3811843b7e19633c998797ec9075ed528ef71cf"

//Fisher-Yates shuffle
function fyShuffle(array: number[], rng: () => number) {
  let i = array.length
  let j = 0
  let temp

  while (i--) {
    j = Math.floor(rng() * (i + 1))

    temp = array[i]
    array[i] = array[j]
    array[j] = temp
  }

  return array
}

//All numbers that can be drawn in a normal Prizeray drawing.
const NUMBER_SET = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]

//Takes the amount of numbers we want to draw (5) and the random number generator, seeded with the DRAWING_SEED.
function chooseNumbers(amount: number, rng: () => number) {
  const shuffled = fyShuffle(NUMBER_SET, rng).slice(0, amount)
  return shuffled
}

//Create the random number generator, trim any excess whitespace on either side
const csprng = seedrandom(DRAWING_SEED.trim())

console.log(`This draw's winning numbers are: ${chooseNumbers(5, csprng).toString()}`)

              
            
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