move puzzle generation to server

game/util.js

@@ -1,25 +0,0 @@
-
-// get a random int between min and max (inclusive)
-export const randomInt = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min
-
-// get one random item from the given array
-export const choice = (array) => array[randomInt(0, array.length - 1)]
-
-// return a shuffled (shallow) copy of the given array
-export const shuffle = (array) => {
-  let arr = array.slice()
-  for (let i = 0; i <= arr.length - 2; i++)
-  {
-    const j = randomInt(i, arr.length -1);
-    const tmp = arr[i];
-    arr[i] = arr[j];
-    arr[j] = tmp;
-  }
-  return arr
-}
-
-export default {
-    randomInt,
-    choice,
-    shuffle,
-}