[adapters] 增加小游戏适配部分源码

adapters/platforms/taobao-minigame/wrapper/builtin/index.js

@@ -0,0 +1,61 @@
+import * as _window from './window'
+import * as _document from './document'
+
+var global = $global;
+
+function inject () {
+  // 暴露全局的 canvas
+  _window.canvas = $global.screencanvas;
+  _window.document = _document;
+
+  _window.addEventListener = (type, listener) => {
+    _window.document.addEventListener(type, listener)
+  }
+  _window.removeEventListener = (type, listener) => {
+    _window.document.removeEventListener(type, listener)
+  }
+  _window.dispatchEvent = _window.document.dispatchEvent;
+
+  const { platform } = my.getSystemInfoSync()
+
+  // 开发者工具无法重定义 window
+  if (typeof __devtoolssubcontext === 'undefined' && platform === 'devtools') {
+    for (const key in _window) {
+      const descriptor = Object.getOwnPropertyDescriptor(global, key)
+
+      if (!descriptor || descriptor.configurable === true) {
+        Object.defineProperty(window, key, {
+          value: _window[key]
+        })
+      }
+    }
+
+    for (const key in _window.document) {
+      const descriptor = Object.getOwnPropertyDescriptor(global.document, key)
+
+      if (!descriptor || descriptor.configurable === true) {
+        Object.defineProperty(global.document, key, {
+          value: _window.document[key]
+        })
+      }
+    }
+    window.parent = window
+  } else {
+    for (const key in _window) {
+      global[key] = _window[key]
+    }
+    global.window = _window
+    window = global
+    window.top = window.parent = window
+  }
+  
+  global.setTimeout = setTimeout;
+  global.clearTimeout = clearTimeout;
+  global.setInterval = setInterval;
+  global.clearInterval = clearInterval;
+}
+
+if (!global.__isAdapterInjected) {
+  global.__isAdapterInjected = true
+  inject()
+}