Ensure _.concat returns an empty array for nullish array values. [closes #1856]

2026-02-09 18:37:50 +00:00 · 2016-01-21 01:13:21 -06:00
parent 345746f7ab
commit 78982f3074
2 changed files with 18 additions and 0 deletions
--- a/lodash.js
+++ b/lodash.js
@@ -5336,6 +5336,9 @@
     * // => [1]
     */
    var concat = rest(function(array, values) {
+      if (array == null) {
+        return [];
+      }
      values = baseFlatten(values);
      return arrayConcat(isArray(array) ? array : [Object(array)], values);
    });