[adapters] 增加小游戏适配部分源码

adapters/platforms/taobao/wrapper/builtin/Image.js

@@ -0,0 +1,40 @@
+// var screencanvas = $global.screencanvas;
+
+function Image () {
+    // empty constructor
+}
+
+// NOTE: Proxy not supported on iOS 8 and 9.
+// let ImageProxy = new Proxy(Image, {
+//     construct (target, args) {
+//         let img =  screencanvas.createImage();
+//         if (!img.addEventListener) {
+//             img.addEventListener = function (eventName, eventCB) {
+//                 if (eventName === 'load') {
+//                     img.onload = eventCB;
+//                 } else if (eventName === 'error') {
+//                     // img.onerror = eventCB;
+//                 }
+//             };
+//         }
+
+//         if (!img.removeEventListener) {
+//           img.removeEventListener = function (eventName) {
+//             if (eventName === 'load') {
+//               img.onload = null;
+//             } else if (eventName === 'error') {
+//               // img.onerror = null;
+//             }
+//           };
+//         }
+//         return img;
+//     },
+// });
+
+// NOTE: this is a hack operation
+// let img = new window.Image()
+// console.error(img instanceof window.Image)  => false
+// export default ImageProxy;
+
+
+export default Image;