#207: add ga support

config/template.dev.json

@@ -1,3 +0,0 @@
-{
-    "apiHost": "https://dev.account.ely.by"
-}

config/template.env.js

@@ -0,0 +1,4 @@
+module.exports = {
+    apiHost: 'https://dev.account.ely.by',
+    ga: {id: 'UA-XXXXX-Y'}
+};

src/index.ejs

@@ -22,5 +22,23 @@
 <% for (var chunk in htmlWebpackPlugin.files.chunks) { %>
     <script src="<%= htmlWebpackPlugin.files.chunks[chunk].entry %>"></script>
 <% } %>
+
+<% if (htmlWebpackPlugin.options.ga) {
+    if (!htmlWebpackPlugin.options.ga.id) {
+        throw new Error('ga.id is required to enable google analytics');
+    }
+%>
+<!-- Google Analytics -->
+    <script>
+    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+    })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+
+    ga('create', '<%- htmlWebpackPlugin.options.ga.id %>', 'auto');
+    ga('send', 'pageview');
+    </script>
+    <!-- End Google Analytics -->
+<% } %>
 </body>
 </html>

webpack.config.js

@@ -13,6 +13,13 @@ const vendor = Object.keys(require('./package.json').dependencies);
 
 const rootPath = path.resolve('./src');
 
+var config = {};
+try {
+    config = require('./config/env.js');
+} catch (err) {
+    console.error('\n\n===\nCan not find config/env.js. Running with defaults\n===\n\n', err);
+}
+
 /**
  * TODO: https://babeljs.io/docs/plugins/
  * TODO: отдельные конфиги для env (аля https://github.com/davezuko/react-redux-starter-kit)
@@ -110,7 +117,8 @@ var webpackConfig = {
             inject: false,
             minify: {
                 collapseWhitespace: isProduction
-            }
+            },
+            ga: config.ga
         }),
         new webpack.ProvidePlugin({
             // window.fetch polyfill
@@ -237,19 +245,12 @@ if (isProduction) {
 }
 
 if (!isProduction && !isTest) {
-    var config;
-    try {
-        config = require('./config/dev.json');
-    } catch (err) {
-        console.error('\n\n===\nPlease create dev.json config under ./config based on template.dev.json\n===\n\n');
-        throw err;
-    }
-
     webpackConfig.plugins.push(
         new webpack.HotModuleReplacementPlugin(),
         new webpack.NoErrorsPlugin()
     );
 
+    if (config.apiHost) {
         webpackConfig.devServer = {
             host: 'localhost',
             port: 8080,
@@ -263,6 +264,7 @@ if (!isProduction && !isTest) {
             inline: true,
             historyApiFallback: true
         };
+    }
 }
 
 if (isDockerized) {