Merge pull request #150 from rictic/customElements

Add typings for custom elements v1 API

Author: zhengbli

baselines/dom.generated.d.ts

@@ -12996,6 +12996,7 @@ interface Window extends EventTarget, WindowTimers, WindowSessionStorage, Window
     readonly window: Window;
     URL: typeof URL;
     Blob: typeof Blob;
+    customElements: CustomElementRegistry;
     alert(message?: any): void;
     blur(): void;
     cancelAnimationFrame(handle: number): void;
@@ -14282,6 +14283,16 @@ interface AssignedNodesOptions {
     flatten?: boolean;
 }
 
+interface ElementDefinitionOptions {
+    extends: string;
+}
+
+interface CustomElementRegistry {
+    define(name: string, constructor: Function, options?: ElementDefinitionOptions): void;
+    get(name: string): any;
+    whenDefined(name: string): PromiseLike<void>;
+}
+
 declare type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
 
 interface ErrorEventHandler {
@@ -14470,6 +14481,7 @@ declare var styleMedia: StyleMedia;
 declare var toolbar: BarProp;
 declare var top: Window;
 declare var window: Window;
+declare var customElements: CustomElementRegistry;
 declare function alert(message?: any): void;
 declare function blur(): void;
 declare function cancelAnimationFrame(handle: number): void;
@@ -14662,4 +14674,4 @@ type ScrollLogicalPosition = "start" | "center" | "end" | "nearest";
 type IDBValidKey = number | string | Date | IDBArrayKey;
 type BufferSource = ArrayBuffer | ArrayBufferView;
 type MouseWheelEvent = WheelEvent;
-type ScrollRestoration = "auto" | "manual";
+type ScrollRestoration = "auto" | "manual";

inputfiles/addedTypes.json

@@ -1364,5 +1364,35 @@
         "interface": "Event",
         "name": "deepPath",
         "signatures": ["deepPath(): EventTarget[]"]
+    },
+    {
+        "kind": "interface",
+        "name": "ElementDefinitionOptions",
+        "flavor": "DOM",
+        "properties": [{
+            "name": "extends",
+            "type": "string"
+        }]
+    },
+    {
+        "kind": "interface",
+        "name": "CustomElementRegistry",
+        "flavor": "DOM",
+        "methods": [{
+           "name": "define",
+           "signatures": ["define(name: string, constructor: Function, options?: ElementDefinitionOptions): void"]
+        }, {
+            "name": "get",
+            "signatures": ["get(name: string): any"]
+        }, {
+            "name": "whenDefined",
+            "signatures": ["whenDefined(name: string): PromiseLike<void>"]
+        }]
+    },
+    {
+        "kind": "property",
+        "interface": "Window",
+        "name": "customElements",
+        "type": "CustomElementRegistry"
     }
 ]