Added localstorage polyfill

Author: Nargonath

config/polyfills/index.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = [require.resolve('babel-polyfill'), require.resolve('./localstorage')];

config/polyfills/localstorage.js

@@ -0,0 +1,99 @@
+/* eslint-disable */
+if (!window.localStorage) {
+  Object.defineProperty(
+    window,
+    'localStorage',
+    new function() {
+      var aKeys = [],
+        oStorage = {};
+      Object.defineProperty(oStorage, 'getItem', {
+        value: function(sKey) {
+          return sKey ? this[sKey] : null;
+        },
+        writable: false,
+        configurable: false,
+        enumerable: false,
+      });
+      Object.defineProperty(oStorage, 'key', {
+        value: function(nKeyId) {
+          return aKeys[nKeyId];
+        },
+        writable: false,
+        configurable: false,
+        enumerable: false,
+      });
+      Object.defineProperty(oStorage, 'setItem', {
+        value: function(sKey, sValue) {
+          if (!sKey) {
+            return;
+          }
+          document.cookie =
+            escape(sKey) + '=' + escape(sValue) + '; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/';
+        },
+        writable: false,
+        configurable: false,
+        enumerable: false,
+      });
+      Object.defineProperty(oStorage, 'length', {
+        get: function() {
+          return aKeys.length;
+        },
+        configurable: false,
+        enumerable: false,
+      });
+      Object.defineProperty(oStorage, 'removeItem', {
+        value: function(sKey) {
+          if (!sKey) {
+            return;
+          }
+          document.cookie = escape(sKey) + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/';
+        },
+        writable: false,
+        configurable: false,
+        enumerable: false,
+      });
+      Object.defineProperty(oStorage, 'clear', {
+        value: function() {
+          if (!aKeys.length) {
+            return;
+          }
+          for (var sKey in aKeys) {
+            document.cookie = escape(sKey) + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/';
+          }
+        },
+        writable: false,
+        configurable: false,
+        enumerable: false,
+      });
+      this.get = function() {
+        var iThisIndx;
+        for (var sKey in oStorage) {
+          iThisIndx = aKeys.indexOf(sKey);
+          if (iThisIndx === -1) {
+            oStorage.setItem(sKey, oStorage[sKey]);
+          } else {
+            aKeys.splice(iThisIndx, 1);
+          }
+          delete oStorage[sKey];
+        }
+        for (aKeys; aKeys.length > 0; aKeys.splice(0, 1)) {
+          oStorage.removeItem(aKeys[0]);
+        }
+        for (
+          var aCouple, iKey, nIdx = 0, aCouples = document.cookie.split(/\s*;\s*/);
+          nIdx < aCouples.length;
+          nIdx++
+        ) {
+          aCouple = aCouples[nIdx].split(/\s*=\s*/);
+          if (aCouple.length > 1) {
+            oStorage[(iKey = unescape(aCouple[0]))] = unescape(aCouple[1]);
+            aKeys.push(iKey);
+          }
+        }
+        return oStorage;
+      };
+      this.configurable = false;
+      this.enumerable = true;
+    }()
+  );
+}

config/webpack/webpack.config.js

@@ -16,6 +16,7 @@ const { resolveAppPath, projectDirectory } = require('../paths');
 const babelConfig = require('../babel/babel.config');
 const eslintConfig = require('../eslint/eslint.config');
 const { browsersList } = require('../globals');
+const polyfills = require('../polyfills');
 
 const appPath = resolveAppPath('app');
 const buildPath = resolveAppPath('dist');
@@ -51,7 +52,7 @@ module.exports = (env = { dev: true }) => {
     //                  Entry points              //
     ////////////////////////////////////////////////
     entry: {
-      app: ['babel-polyfill', './app/app.js'],
+      app: [...polyfills, './app/app.js'],
     },
     //////////////////////////////////////////////////
     //                 Output                       //