feat(user): add useCreateUser hook

client/src/app/features/user/hooks/use-create-user.ts

@@ -0,0 +1,42 @@
+import { useCallback, useEffect, useRef, useState } from "react";
+import { createUser } from "../apis";
+import { toCreateUserRequest } from "../mapper/to-create-user-request";
+import type { ApiUserDto } from "../apis/user-api";
+import type { CreateUserFormValues } from "../types";
+
+const isAbortError = (e: unknown): boolean => {
+  return e instanceof DOMException && e.name === "AbortError";
+};
+
+export function useCreateUser() {
+  const [data, setData] = useState<ApiUserDto | null>(null);
+  const [isLoading, setLoading] = useState(false);
+  const [error, setError] = useState<unknown>(null);
+  const abortRef = useRef<AbortController | null>(null);
+
+  useEffect(() => {
+    return () => abortRef.current?.abort();
+  }, []);
+
+  const submit = useCallback(async (values: CreateUserFormValues) => {
+    abortRef.current?.abort();
+    const abortController = new AbortController();
+    abortRef.current = abortController;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      const created = await createUser(toCreateUserRequest(values), {
+        signal: abortController.signal,
+      });
+      setData(created);
+    } catch (e) {
+      if (!isAbortError(e)) setError(e);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  return { submit, data, isLoading, error };
+}