Initial commit: Location Management Flask app

app/static/js/app.js

@@ -0,0 +1,22 @@
+/**
+ * app.js – Global Socket.IO connection & UI helpers
+ */
+
+document.addEventListener("DOMContentLoaded", function () {
+  // ── Bootstrap alert auto-dismiss after 4 s ──────────────────────────────
+  document.querySelectorAll(".alert").forEach(function (el) {
+    setTimeout(function () {
+      const bsAlert = bootstrap.Alert.getOrCreateInstance(el);
+      if (bsAlert) bsAlert.close();
+    }, 4000);
+  });
+
+  // ── Confirm-before-submit for data-confirm forms ─────────────────────────
+  document.querySelectorAll("form[data-confirm]").forEach(function (form) {
+    form.addEventListener("submit", function (e) {
+      if (!confirm(form.getAttribute("data-confirm"))) {
+        e.preventDefault();
+      }
+    });
+  });
+});