去掉ie下不识别的方法

Author: songyumeng

dist/iclient-classic.js

@@ -47,10 +47,11 @@
   "author": "SuperMap",
   "license": "Apache-2.0",
   "devDependencies": {
+    "@turf/turf": "^4.7.1",
     "babel-core": "^6.24.1",
     "babel-loader": "^7.0.0",
-    "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-istanbul": "^4.1.4",
+    "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-preset-es2015": "^6.24.1",
     "babelify": "^7.3.0",
     "browserify": "^14.3.0",
@@ -86,7 +87,6 @@
     "selenium-server": "^2.53.1",
     "shelljs": "^0.7.6",
     "style-loader": "^0.13.1",
-    "@turf/turf": "^4.7.1",
     "uglify-js": "^3.0.15",
     "url-loader": "^0.5.9",
     "watchify": "^3.9.0",
@@ -99,6 +99,7 @@
     "jaguarjs-jsdoc": "^1.1.0",
     "pbf": "3.0.2",
     "proj4": "2.3.15",
+    "promise-polyfill": "^6.0.2",
     "whatwg-fetch-importable": "^1.0.3"
   }
 }

dist/iclient-classic.min.js

@@ -35,26 +35,29 @@ SuperMap.mixin = function (...mixins) {
 
     class Mix {
         constructor(options) {
-            for (let mixin of mixins) {
-                copyProperties(this, new mixin(options));
+            for (var index = 0; index < mixins.length; index++) {
+                copyProperties(this, new mixins[index](options));
             }
         }
     }
-
-    for (let mixin of mixins) {
+    for (var index = 0; index < mixins.length; index++) {
+        var mixin = mixins[index];
         copyProperties(Mix, mixin);
         copyProperties(Mix.prototype, mixin.prototype);
         copyProperties(Mix.prototype, new mixin());
     }
-
     return Mix;
 
     function copyProperties(target, source) {
-        for (let key of Reflect.ownKeys(source)) {
+        var ownKeys = Object.getOwnPropertyNames(source);
+        if (Object.getOwnPropertySymbols) {
+            ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source));
+        }
+        for (var index = 0; index < ownKeys.length; index++) {
+            var key = ownKeys[index];
             if (key !== "constructor"
                 && key !== "prototype"
-                && key !== "name"
-            ) {
+                && key !== "name"&& key !== "length") {
                 let desc = Object.getOwnPropertyDescriptor(source, key);
                 Object.defineProperty(target, key, desc);
             }