feat: compose form improvements (#13668)

app/javascript/dashboard/components-next/NewConversation/helpers/composeConversationHelper.js

@@ -177,19 +177,42 @@ export const prepareWhatsAppMessagePayload = ({
 };
 
 // API Calls
-export const searchContacts = async query => {
-  const trimmed = typeof query === 'string' ? query.trim() : '';
-  if (!trimmed) return [];
+const MIN_SEARCH_LENGTH = 2;
 
-  const {
-    data: { payload },
-  } = await ContactAPI.search(trimmed);
-  const camelCasedPayload = camelcaseKeys(payload, { deep: true });
-  // Filter contacts that have either phone_number or email
-  const filteredPayload = camelCasedPayload?.filter(
-    contact => contact.phoneNumber || contact.email
-  );
-  return filteredPayload || [];
+export const createContactSearcher = () => {
+  let controller = null;
+
+  return async (query, { skipMinLength = false } = {}) => {
+    const trimmed = typeof query === 'string' ? query.trim() : '';
+
+    controller?.abort();
+
+    if (!trimmed || (!skipMinLength && trimmed.length < MIN_SEARCH_LENGTH))
+      return [];
+
+    controller = new AbortController();
+    const { signal } = controller;
+
+    try {
+      const {
+        data: { payload },
+      } = await ContactAPI.search(trimmed, 1, 'name', '', { signal });
+
+      const camelCasedPayload = camelcaseKeys(payload, { deep: true });
+      // Filter contacts that have either phone_number or email
+      const filteredPayload = camelCasedPayload?.filter(
+        contact => contact.phoneNumber || contact.email
+      );
+      return filteredPayload || [];
+    } catch (error) {
+      // Return null for aborted requests so callers can distinguish
+      // "request was cancelled" from "no results found"
+      if (error?.name === 'AbortError' || error?.name === 'CanceledError') {
+        return null;
+      }
+      throw error;
+    }
+  };
 };
 
 export const createNewContact = async input => {