feat: 第一次上传代码

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

@@ -0,0 +1,27 @@
+function extendPrototype(sources, destination) {
+  var i;
+  var len = sources.length;
+  var sourcePrototype;
+  for (i = 0; i < len; i += 1) {
+    sourcePrototype = sources[i].prototype;
+    for (var attr in sourcePrototype) {
+      if (Object.prototype.hasOwnProperty.call(sourcePrototype, attr)) destination.prototype[attr] = sourcePrototype[attr];
+    }
+  }
+}
+
+function getDescriptor(object, prop) {
+  return Object.getOwnPropertyDescriptor(object, prop);
+}
+
+function createProxyFunction(prototype) {
+  function ProxyFunction() {}
+  ProxyFunction.prototype = prototype;
+  return ProxyFunction;
+}
+
+export {
+  extendPrototype,
+  getDescriptor,
+  createProxyFunction,
+};