Merge pull request #133 from falsandtru/storage

Update Storage interface

Author: mhegazy

baselines/dom.generated.d.ts

@@ -11411,8 +11411,8 @@ declare var StereoPannerNode: {
 interface Storage {
     readonly length: number;
     clear(): void;
-    getItem(key: string): string;
-    key(index: number): string;
+    getItem(key: string): string | null;
+    key(index: number): string | null;
     removeItem(key: string): void;
     setItem(key: string, data: string): void;
     [key: string]: any;

inputfiles/overridingTypes.json

@@ -580,7 +580,13 @@
         "kind": "method",
         "interface": "Storage",
         "name": "getItem",
-        "signatures": ["getItem(key: string): string"]
+        "signatures": ["getItem(key: string): string | null"]
+    },
+    {
+        "kind": "method",
+        "interface": "Storage",
+        "name": "key",
+        "signatures": ["key(index: number): string | null"]
     },
     {
         "kind": "method",