Add stub for events to prevent crash

src/Emitter.ts

@@ -213,19 +213,25 @@ export class Emitter
     {
         for (let i = 0; i < this._treeRoots.length; ++i)
         {
-            this.results.push(this._parseTreeNode(this._treeRoots[i]));
+            const node = this._parseTreeNode(this._treeRoots[i]);
+
+            if (node)
+                this.results.push(node);
         }
     }
 
-    private _parseTreeNode(node: IDocletTreeNode, parent?: IDocletTreeNode): ts.Node
+    private _parseTreeNode(node: IDocletTreeNode, parent?: IDocletTreeNode): ts.Node | null
     {
         const children: ts.Node[] = [];
 
         if (children)
         {
             for (let i = 0; i < node.children.length; ++i)
             {
-                children.push(this._parseTreeNode(node.children[i], node));
+                const childNode = this._parseTreeNode(node.children[i], node);
+
+                if (childNode)
+                    children.push(childNode);
             }
         }
 
@@ -272,6 +278,10 @@ export class Emitter
             case 'typedef':
                 return createTypedef(node.doclet, children);
 
+            case 'event':
+                // TODO: Handle Events.
+                return null;
+
             default:
                 return assertNever(node.doclet);
         }

src/assert_never.ts

@@ -1,4 +1,4 @@
 export function assertNever(x: never): never
 {
-    throw new Error("Unexpected object: " + x);
+    throw new Error("Unexpected object: " + JSON.stringify(x));
 }

src/typings/jsdoc.d.ts

@@ -85,6 +85,7 @@ declare interface IDocletBase {
     ignore?: boolean;
     undocumented?: boolean;
     properties?: IDocletProp[];
+    inherits?: string;
     inherited?: boolean;
 }
 
@@ -101,6 +102,11 @@ declare interface IClassDoclet extends IDocletBase {
     classdesc?: string;
 }
 
+declare interface IEventDoclet extends IDocletBase {
+    kind: 'event';
+    params?: IDocletProp[];
+}
+
 declare interface IFunctionDoclet extends IDocletBase {
     kind: 'function';
     this?: string;
@@ -140,6 +146,7 @@ declare interface IPackageDoclet {
 
 declare type TDoclet = (
     IClassDoclet
+    | IEventDoclet
     | IFunctionDoclet
     | IMemberDoclet
     | INamespaceDoclet