Fix jaredpalmer#417. Make sure an array exists or is created in Field…

…Array.push()
victordidenko · Feb 8, 2018 · 2937582 · 2937582
1 parent f0c9b4a
commit 2937582
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/FieldArray.tsx b/src/FieldArray.tsx
@@ -83,7 +83,11 @@ export class FieldArray extends React.Component<FieldArrayConfig, {}> {
   };
 
   push = (value: any) =>
-    this.updateArrayField((array: any[]) => [...array, value], false, false);
+    this.updateArrayField(
+      (array: any[]) => [...(array || []), value],
+      false,
+      false
+    );
 
   swap = (indexA: number, indexB: number) =>
     this.updateArrayField(