chore: get-prototype采用core-js的polyfill

src/polyfill/lodash.js

@@ -30,6 +30,7 @@ if (!Array.isArray) {
     };
 }
 
+/* 统一采用core-js的polyfill，此块暂去
 // https://stackoverflow.com/questions/10919915/ie8-getprototypeof-method
 if (typeof Object.getPrototypeOf !== "function") {
     Object.getPrototypeOf = "".__proto__ === String.prototype
@@ -41,6 +42,7 @@ if (typeof Object.getPrototypeOf !== "function") {
             return object.constructor.prototype;
         };
 }
+ */
 
 if(!Date.now) {
     Date.now = function () {

webpack/webpack.common.js

@@ -13,6 +13,7 @@ module.exports = {
                 "core-js/features/object/create",
                 "core-js/features/object/assign",
                 "core-js/features/object/get-own-property-symbols",
+                "core-js/features/object/get-prototype-of",
                 "core-js/features/array/for-each",
                 "core-js/features/array/index-of",
                 "core-js/features/function/bind",