@nullvoxpopuli/ember-composable-helpers/dist/helpers/shuffle.js

Composable helpers for Ember

import { helper } from '@ember/component/helper';
import { isArray } from '@ember/array';
import { typeOf } from '@ember/utils';

function shuffle(array, randomizer) {
  array = array.slice(0);
  let count = array.length;
  let rand, temp;
  randomizer = typeOf(randomizer) === 'function' && randomizer || Math.random;
  while (count > 1) {
    rand = Math.floor(randomizer() * count--);
    temp = array[count];
    array[count] = array[rand];
    array[rand] = temp;
  }
  return array;
}
var shuffle$1 = helper(function ([randomizer, array]) {
  if (array === undefined) {
    array = randomizer;
    randomizer = undefined;
  }
  if (!isArray(array)) {
    return [array];
  }
  return shuffle(array, randomizer);
});

export { shuffle$1 as default, shuffle };
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