bootstrap app even if json file has not been found

Author: mvidailhet

.gitignore

@@ -1,3 +1,4 @@
 package/node_modules
 test-app/node_modules
 npm-debug.log
+test-app/www

package/src/ConfigurationProvider.ts

@@ -36,9 +36,10 @@ export function loadConfigurationJSON(callback) {
     xobj.overrideMimeType("application/json");
     xobj.open('GET', 'configuration.json', true); // Replace 'my_data' with the path to your file
     xobj.onreadystatechange = function () {
-        if (xobj.readyState == 4 && xobj.status == 200) {
-            // Required use of an anonymous callback as .open will NOT return a value but simply returns undefined in asynchronous mode
-            (<any>window).configuration = JSON.parse(xobj.responseText);
+        if (xobj.readyState == 4) {
+            if (xobj.status == 200) {
+                (<any>window).configuration = JSON.parse(xobj.responseText);
+            }
             callback();
         }
     };

test-app/package.json

@@ -10,6 +10,7 @@
     "webpack:watch": "webpack --config webpack.fastcss.config.js --watch --env development",
     "fastcss": "gulp watch",
     "serve": "webpack --config webpack.development.config.js --watch  --env development",
+    "serve2": "webpack --config webpack.development.config.js --watch",
     "serve:production": "webpack --config webpack.production.config.js --watch --env production"
   },
   "author": "Geek Learning",