feat: 第一次上传代码

node_modules/lottie-web/player/js/utils/animationFramePolyFill.js

@@ -0,0 +1,25 @@
+(function () {
+  var lastTime = 0;
+  var vendors = ['ms', 'moz', 'webkit', 'o'];
+  for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) { // eslint-disable-line no-plusplus
+    window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
+    window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];
+  }
+  if (!window.requestAnimationFrame) {
+    window.requestAnimationFrame = function (callback) {
+      var currTime = new Date().getTime();
+      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+      var id = setTimeout(function () {
+        callback(currTime + timeToCall);
+      },
+      timeToCall);
+      lastTime = currTime + timeToCall;
+      return id;
+    };
+  }
+  if (!window.cancelAnimationFrame) {
+    window.cancelAnimationFrame = function (id) {
+      clearTimeout(id);
+    };
+  }
+}());