feat: gaps in tailwind migration closed

assets/js/utils/script_loader.js

@@ -0,0 +1,33 @@
+export const loadScript = (src) =>
+  new Promise((resolve, reject) => {
+    const existing = document.querySelector(`script[src="${src}"]`);
+
+    if (existing) {
+      if (existing.dataset.loaded === "true") {
+        resolve();
+        return;
+      }
+
+      existing.addEventListener("load", () => resolve(), { once: true });
+      existing.addEventListener("error", () => reject(new Error(`Failed to load ${src}`)), {
+        once: true
+      });
+      return;
+    }
+
+    const script = document.createElement("script");
+    script.src = src;
+    script.async = true;
+    script.addEventListener(
+      "load",
+      () => {
+        script.dataset.loaded = "true";
+        resolve();
+      },
+      { once: true }
+    );
+    script.addEventListener("error", () => reject(new Error(`Failed to load ${src}`)), {
+      once: true
+    });
+    document.head.appendChild(script);
+  });