Integrating two-up (#34)

src/missing-types.d.ts

@@ -0,0 +1,22 @@
+// PRs to fix this:
+// https://github.com/developit/preact/pull/1101
+// https://github.com/developit/preact/pull/1102
+declare namespace JSX {
+  type PointerEventHandler = EventHandler<PointerEvent>;
+
+  interface DOMAttributes {
+    onTouchStartCapture?: TouchEventHandler;
+    onTouchEndCapture?: TouchEventHandler;
+    onTouchMoveCapture?: TouchEventHandler;
+
+    onPointerDownCapture?: PointerEventHandler;
+
+    onMouseDownCapture?: MouseEventHandler;
+
+    onWheelCapture?: WheelEventHandler;
+  }
+}
+
+interface CanvasRenderingContext2D {
+  filter: string;
+}