❯ YOU
Hi! The settings page keeps asking the server for the profile over and over. Could you look into it and fix it? Thanks!
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run / jvQEhe8IgOZ9N3xL1pn9x1F2
Run by StackLake2138
PASSED · All tests passed
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- 19,434 tokens in · 1,131 tokens out
- Inference time
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- Apple M4 Max, 48 GB
- Compute · nominal
- 138 TFLOP
- 3.4B active params of 30.5B
- Prompts
- 1
- Board rank
- #9
- fastest · #10 least compute · #10 fewest tokens
- Submitted
- 2026-09-23
- Harness 0.1.2-dev · thinking off
Conversation
MODEL
I'll help you fix the issue where the settings page keeps re-requesting the user's profile from the server. Let me first examine the code to understand what's happening.
list_files
Arguments:
{}
Result:
index.html
package-lock.json
package.json
src/App.tsx
src/SettingsPage.tsx
src/api.ts
src/main.tsx
src/useProfile.ts
tsconfig.json
vite.config.tsMODEL
Let me examine the key files to understand how the profile fetching is implemented:
read_file · src/useProfile.ts
Arguments:
{
"path": "src/useProfile.ts"
}
Result:
1: import { useEffect, useState } from "react";
2:
3: import { fetchProfile, type Profile } from "./api";
4:
5: export function useProfile(userId: string) {
6: const [profile, setProfile] = useState<Profile | null>(null);
7: const [isLoading, setIsLoading] = useState(true);
8: const [error, setError] = useState<Error | null>(null);
9: const options = { userId, fields: ["name", "email"] as const };
10:
11: useEffect(() => {
12: let cancelled = false;
13:
14: setIsLoading(true);
15: fetchProfile(options)
16: .then((nextProfile) => {
17: if (!cancelled) {
18: setProfile(nextProfile);
19: }
20: })
21: .catch((reason: unknown) => {
22: if (!cancelled) {
23: setError(reason instanceof Error ? reason : new Error("Unable to load profile"));
24: }
25: })
26: .finally(() => {
27: if (!cancelled) {
28: setIsLoading(false);
29: }
30: });
31:
32: return () => {
33: cancelled = true;
34: };
35: }, [options]);
36:
37: return { profile, isLoading, error };
38: }MODEL
read_file · src/SettingsPage.tsx
Arguments:
{
"path": "src/SettingsPage.tsx"
}
Result:
1: import { useProfile } from "./useProfile";
2:
3: interface SettingsPageProps {
4: userId: string;
5: }
6:
7: export function SettingsPage({ userId }: SettingsPageProps) {
8: const { profile, isLoading, error } = useProfile(userId);
9:
10: if (error) {
11: return <p role="alert">Could not load profile.</p>;
12: }
13:
14: if (isLoading && !profile) {
15: return <p role="status">Loading profile…</p>;
16: }
17:
18: if (!profile) {
19: return null;
20: }
21:
22: return (
23: <main>
24: <h1>Settings</h1>
25: <dl>
26: <dt>Name</dt>
27: <dd>{profile.name}</dd>
28: <dt>Email</dt>
29: <dd>{profile.email}</dd>
30: </dl>
31: </main>
32: );
33: }MODEL
read_file · src/App.tsx
Arguments:
{
"path": "src/App.tsx"
}
Result:
1: import { SettingsPage } from "./SettingsPage";
2:
3: export default function App() {
4: return <SettingsPage userId="user-123" />;
5: }MODEL
Now I can see the issue! In `useProfile.ts`, the `useEffect` hook is using `options` as a dependency, but `options` is created inside the function and includes `userId` and `fields`. Since `options` is recreated on every render (because it's defined inside the function), the `useEffect` will run every time, causing repeated API calls.
The problem is that `options` should be stable across renders. Let me also check what the api.ts file looks like to understand the fetchProfile function:
read_file · src/api.ts
Arguments:
{
"path": "src/api.ts"
}
Result:
1: export interface Profile {
2: id: string;
3: name: string;
4: email: string;
5: }
6:
7: export interface ProfileOptions {
8: userId: string;
9: fields: readonly (keyof Profile)[];
10: }
11:
12: export async function fetchProfile(options: ProfileOptions): Promise<Profile> {
13: const fields = options.fields.join(",");
14: const response = await fetch(
15: `/api/users/${encodeURIComponent(options.userId)}?fields=${encodeURIComponent(fields)}`,
16: {
17: headers: { Accept: "application/json" },
18: },
19: );
20:
21: if (!response.ok) {
22: throw new Error(`Profile request failed with status ${response.status}`);
23: }
24:
25: return (await response.json()) as Profile;
26: }MODEL
Now I understand the issue completely. The problem is in `useProfile.ts` where the `options` object is created inside the function and used as a dependency in `useEffect`. Since `options` is recreated on every render, the effect runs every time.
Let me fix this by memoizing the options object using `useMemo`:
edit_file · src/useProfile.ts
Arguments:
{
"new_text": "import { useEffect, useMemo, useState } from \"react\";\n\nimport { fetchProfile, type Profile } from \"./api\";\n\nexport function useProfile(userId: string) {\n const [profile, setProfile] = useState\u003cProfile | null\u003e(null);\n const [isLoading, setIsLoading] = useState(true);\n const [error, setError] = useState\u003cError | null\u003e(null);\n const options = useMemo(() =\u003e ({ userId, fields: [\"name\", \"email\"] as const }), [userId]);\n\n useEffect(() =\u003e {\n let cancelled = false;\n\n setIsLoading(true);\n fetchProfile(options)\n .then((nextProfile) =\u003e {\n if (!cancelled) {\n setProfile(nextProfile);\n }\n })\n .catch((reason: unknown) =\u003e {\n if (!cancelled) {\n setError(reason instanceof Error ? reason : new Error(\"Unable to load profile\"));\n }\n })\n .finally(() =\u003e {\n if (!cancelled) {\n setIsLoading(false);\n }\n });\n\n return () =\u003e {\n cancelled = true;\n };\n }, [options]);\n\n return { profile, isLoading, error };\n}",
"old_text": "import { useEffect, useState } from \"react\";\n\nimport { fetchProfile, type Profile } from \"./api\";\n\nexport function useProfile(userId: string) {\n const [profile, setProfile] = useState\u003cProfile | null\u003e(null);\n const [isLoading, setIsLoading] = useState(true);\n const [error, setError] = useState\u003cError | null\u003e(null);\n const options = { userId, fields: [\"name\", \"email\"] as const };\n\n useEffect(() =\u003e {\n let cancelled = false;\n\n setIsLoading(true);\n fetchProfile(options)\n .then((nextProfile) =\u003e {\n if (!cancelled) {\n setProfile(nextProfile);\n }\n })\n .catch((reason: unknown) =\u003e {\n if (!cancelled) {\n setError(reason instanceof Error ? reason : new Error(\"Unable to load profile\"));\n }\n })\n .finally(() =\u003e {\n if (!cancelled) {\n setIsLoading(false);\n }\n });\n\n return () =\u003e {\n cancelled = true;\n };\n }, [options]);\n\n return { profile, isLoading, error };\n}",
"path": "src/useProfile.ts"
}
Result:
1 editMODEL
Now let's run the tests to make sure our fix works correctly:
run_tests
Arguments:
{}
Result:
3 passed, 0 failed, 3 totalIncluded tests ran
MODEL
Perfect! The tests are passing. Let me also verify that we haven't broken anything by checking if there are any other related files that might be affected:
search
Arguments:
{
"text": "useProfile"
}
Result:
src/SettingsPage.tsx:1: import { useProfile } from "./useProfile";
src/SettingsPage.tsx:8: const { profile, isLoading, error } = useProfile(userId);
src/useProfile.ts:5: export function useProfile(userId: string) {MODEL
Let me also check if there are any other usages of the `fetchProfile` function to make sure our change doesn't break anything:
search
Arguments:
{
"text": "fetchProfile"
}
Result:
src/api.ts:12: export async function fetchProfile(options: ProfileOptions): Promise<Profile> {
src/useProfile.ts:3: import { fetchProfile, type Profile } from "./api";
src/useProfile.ts:15: fetchProfile(options)MODEL
Great! The fix looks good. I've resolved the issue by using `useMemo` to create a stable `options` object that won't change between renders unless the `userId` changes. This prevents the `useEffect` from running unnecessarily, which was causing the repeated API requests.
The key changes I made:
1. Added `useMemo` import to `useProfile.ts`
2. Wrapped the `options` object creation in `useMemo` with `userId` as a dependency
3. This ensures that `options` only changes when `userId` changes, preventing unnecessary re-renders and API calls
The fix is minimal and targeted - it addresses exactly the problem described where the settings page was re-requesting the profile from the server repeatedly. Now it will only fetch once per user, as intended.
Included tests ran
Final patch
--- a/src/useProfile.ts
+++ b/src/useProfile.ts
@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react";
+import { useEffect, useMemo, useState } from "react";
import { fetchProfile, type Profile } from "./api";
@@ -6,7 +6,7 @@
const [profile, setProfile] = useState<Profile | null>(null);
const [isLoading, setIsLoading] = useState(true);
const [error, setError] = useState<Error | null>(null);
- const options = { userId, fields: ["name", "email"] as const };
+ const options = useMemo(() => ({ userId, fields: ["name", "email"] as const }), [userId]);
useEffect(() => {
let cancelled = false;