migrate to gtea from bistbucket

public/assets/js/custom/custome-dropdown.js

@@ -0,0 +1,33 @@
+const dropdown = document.getElementById("myDropdown");
+
+if (dropdown) {
+    const selected = dropdown.querySelector("#selectedOption");
+    const options = dropdown.querySelector("#dropdownOptions");
+    const arrow = dropdown.querySelector("#dropdownArrow");
+    const items = dropdown.querySelectorAll(".dropdown-option");
+
+    const batchInput = document.getElementById("selected_batch_no");
+
+    selected.addEventListener("click", () => {
+        const isOpen = options.style.display === "block";
+        options.style.display = isOpen ? "none" : "block";
+        dropdown.classList.toggle("open", !isOpen);
+    });
+
+    items.forEach((item) => {
+        item.addEventListener("click", () => {
+            selected.querySelector("span").innerHTML = item.innerHTML;
+            batchInput.value = item.getAttribute("data-batch-no");
+
+            options.style.display = "none";
+            dropdown.classList.remove("open");
+        });
+    });
+
+    document.addEventListener("click", function (e) {
+        if (!dropdown.contains(e.target)) {
+            options.style.display = "none";
+            dropdown.classList.remove("open");
+        }
+    });
+}