Add basic coverage possibilty.

According to ionic-team/ionic-unit-testing-example#11 basic setup.

package.json

@@ -8,7 +8,8 @@
     "build": "ionic-app-scripts build",
     "ionic:build": "ionic-app-scripts build",
     "ionic:serve": "ionic-app-scripts serve",
-    "test": "karma start ./test-config/karma.conf.js"
+    "test": "karma start ./test-config/karma.conf.js",
+    "test-coverage": "karma start ./test-config/karma.conf.js --coverage"
   },
   "config": {
     "ionic_source_map": "source-map"
@@ -47,17 +48,23 @@
     "jasmine": "^2.5.3",
     "karma": "^1.5.0",
     "karma-chrome-launcher": "^2.0.0",
+    "karma-coverage": "^1.1.1",
     "karma-jasmine": "^1.1.0",
     "karma-jasmine-html-reporter": "^0.2.2",
     "karma-sourcemap-loader": "^0.3.7",
+    "karma-typescript": "^3.0.0",
     "karma-verbose-reporter": "0.0.6",
     "karma-webpack": "^2.0.3",
     "null-loader": "^0.1.1",
+    "remap-istanbul": "^0.9.5",
+    "systemjs": "^0.20.12",
     "ts-loader": "^2.0.3",
     "tslint": "^5.0.0",
     "tslint-ionic-rules": "0.0.8",
-    "typescript": "2.1.6"
+    "typescript": "^2.1.6",
+    "istanbul-instrumenter-loader": "^2.0.0",
+    "karma-coverage-istanbul-reporter": "^1.0.0"
   },
   "version": "0.0.1",
   "description": "Cross-Platform Ionic App for IMS"
-}
+}

test-config/karma.conf.js

@@ -30,7 +30,14 @@ module.exports = function (config) {
       terminal: true
     },
 
-    reporters: ['kjhtml', 'dots', 'verbose'],
+    coverageIstanbulReporter: {
+      reports: ['html', 'lcovonly'],
+      fixWebpackSourcePaths: true
+    },
+
+
+
+    reporters: config.coverage ? ['kjhtml', 'dots', 'coverage-istanbul', 'verbose'] : ['kjhtml', 'dots', 'verbose'],
     port: 9876,
     colors: true,
     logLevel: config.LOG_INFO,

test-config/webpack.test.js

@@ -15,9 +15,18 @@ module.exports = {
         loaders: [
           {
             loader: 'ts-loader'
-          } , 'angular2-template-loader'
+          }, 'angular2-template-loader'
         ]
       },
+      {
+        test: /.+\.ts$/,
+        exclude: /(index.ts|mocks.ts|\.spec\.ts$)/,
+        loader: 'istanbul-instrumenter-loader',
+        enforce: 'post',
+        query: {
+          esModules: true
+        }
+      },
       {
         test: /\.html$/,
         loader: 'html-loader'