feat(MapPolyfill): implement clear interface

ReactiveX · Feb 10, 2016 · e3fbd05 · e3fbd05
1 parent 66678aa
commit e3fbd05
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/util/MapPolyfill.ts b/src/util/MapPolyfill.ts
@@ -29,7 +29,13 @@ export class MapPolyfill {
     return true;
   }
 
-  forEach(cb: Function, thisArg: any) {
+  clear(): void {
+    this._keys.length = 0;
+    this._values.length = 0;
+    this.size = 0;
+  }
+
+  forEach(cb: Function, thisArg: any): void {
     for (let i = 0; i < this.size; i++) {
       cb.call(thisArg, this._values[i], this._keys[i]);
     }