逐步完成前后端服务器

frontend/node_modules/zrender/lib/animation/requestAnimationFrame.js

@@ -0,0 +1,10 @@
+import env from '../core/env.js';
+var requestAnimationFrame;
+requestAnimationFrame = (env.hasGlobalWindow
+    && ((window.requestAnimationFrame && window.requestAnimationFrame.bind(window))
+        || (window.msRequestAnimationFrame && window.msRequestAnimationFrame.bind(window))
+        || window.mozRequestAnimationFrame
+        || window.webkitRequestAnimationFrame)) || function (func) {
+    return setTimeout(func, 16);
+};
+export default requestAnimationFrame;