📈 Add umami code

build/app.js

@@ -0,0 +1,35 @@
+/* global umami */
+
+document.addEventListener('click', getFollows);
+
+function getFollows(evt) {
+    const el = evt.target;
+    if (el.tagName.toLowerCase() !== 'a') {
+        return;
+    }
+
+    const name = el.dataset.name;
+
+    if (!name) {
+        return;
+    }
+
+    const url = el.href;
+    if (!url) {
+        return;
+    }
+
+    if (!window.umami) {
+        return;
+    }
+
+    const umProm = umami.trackEvent('visit', { type: 'click', site: name });
+
+    if (!el.target || el.target.match(/^_(self|parent|top)$/i)) {
+        // If we're not opening in a new tab, then try to send event before navigating away
+        // Don't wait too long though (half a second, at most)
+        evt.preventDefault();
+        umProm.then(() => location.href = url).catch(() => location.href = url);
+        setTimeout(() => location.href = url, 500);
+    }
+}