feat(ga): add google analytics tracking code

nuxt.config.js

@@ -20,7 +20,7 @@ module.exports = {
         : "http://localhost:3000"
   },
   css: ["normalize.css/normalize.css"],
-  plugins: [{ src: "@/plugins/global.js" }],
+  plugins: [{ src: "@/plugins/ga.js" }, { src: "@/plugins/global.js" }],
   build: {
     extend(config, { isDev, isClient }) {
       if (isDev && isClient) {

plugins/ga.js

@@ -0,0 +1,44 @@
+/* eslint-disable */
+
+export default ({ app }) => {
+  /*
+  ** Only run on client-side and only in production mode
+  */
+  if (process.env.NODE_ENV !== "production") return;
+  /*
+  ** Include 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"
+  );
+  /*
+  ** Set the current page
+  */
+  ga("create", "UA-125493236-1", "auto");
+  /*
+  ** Every time the route changes (fired on initialization too)
+  */
+  app.router.afterEach((to, from) => {
+    /*
+    ** We tell Google Analytics to add a `pageview`
+    */
+    ga("set", "page", to.fullPath);
+    ga("send", "pageview");
+  });
+};