fix(shuffle): fix shuffle methode for array with length <= 1

2020-10-01 12:43:46 +02:00
parent 40736d9da3
commit 401f6c3190
2 changed files with 80 additions and 2 deletions
--- a/src/common/utils/shuffle.js
+++ b/src/common/utils/shuffle.js
@@ -5,12 +5,15 @@ function rndNext(min, max) {
 }

 function shuffle (arr, from, to) {
-  if (!to) {
-    to = arr.length - 1;
+  if (arr.length <= 1){
+    return arr;
  }
  if (!from) {
    from = 0;
  }
+  if (!to) {
+    to = arr.length - 1;
+  }
  const newArr = [...arr];
  if (from >= to) return;
  for (var current = from; current <= to; ++current) {