remove Object.assign polyfill, no longer needed

ShMcK · ShMcK · commit 1432a4488def · 2016-04-19T16:41:16.000+08:00
diff --git a/lib/services/polyfills.js b/lib/services/polyfills.js
@@ -9,28 +9,6 @@ function loadPolyfills() {
             return vals;
         };
     }
-    if (typeof Object.assign !== 'function') {
-        (function () {
-            Object.assign = function (target) {
-                'use strict';
-                if (target === undefined || target === null) {
-                    throw new TypeError('Cannot convert undefined or null to object');
-                }
-                var output = Object(target);
-                for (var index = 1; index < arguments.length; index++) {
-                    var source = arguments[index];
-                    if (source !== undefined && source !== null) {
-                        for (var nextKey in source) {
-                            if (source.hasOwnProperty(nextKey)) {
-                                output[nextKey] = source[nextKey];
-                            }
-                        }
-                    }
-                }
-                return output;
-            };
-        })();
-    }
 }
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.default = loadPolyfills;
diff --git a/src/services/polyfills.ts b/src/services/polyfills.ts
@@ -11,29 +11,4 @@ export default function loadPolyfills(): void {
     };
   }
 
-  // Object.assign (ES7)
-  if (typeof Object.assign !== 'function') {
-    (function() {
-      Object.assign = function(target) {
-        'use strict';
-        if (target === undefined || target === null) {
-          throw new TypeError('Cannot convert undefined or null to object');
-        }
-
-        var output = Object(target);
-        for (var index = 1; index < arguments.length; index++) {
-          var source = arguments[index];
-          if (source !== undefined && source !== null) {
-            for (var nextKey in source) {
-              if (source.hasOwnProperty(nextKey)) {
-                output[nextKey] = source[nextKey];
-              }
-            }
-          }
-        }
-        return output;
-      };
-    })();
-  }
-
 };
