Skip to content

test: add noisy sample files to trigger default CodeRabbit review#15

Open
JenyaL wants to merge 1 commit intomainfrom
test/coderabbit-no-config
Open

test: add noisy sample files to trigger default CodeRabbit review#15
JenyaL wants to merge 1 commit intomainfrom
test/coderabbit-no-config

Conversation

@JenyaL
Copy link
Owner

@JenyaL JenyaL commented Oct 25, 2025

Summary by CodeRabbit

  • New Features
    • Added user authentication with email and password login
    • Integrated analytics to track user interactions and system errors
    • Introduced Firebase backend infrastructure for data persistence
    • Expanded UI component library with buttons, text inputs, lists, cards, images, and tooltips
    • Added date utility functions for application use

@vercel
Copy link

vercel bot commented Oct 25, 2025

The latest updates on your projects. Learn more about Vercel for GitHub.

1 Skipped Deployment
Project Deployment Preview Comments Updated (UTC)
build-test Ignored Ignored Oct 25, 2025 3:34am

@coderabbitai
Copy link

coderabbitai bot commented Oct 25, 2025

Walkthrough

This PR introduces new API routes, utility modules, authentication pages, and UI components across the app. Changes include a test-noise API endpoint, Firebase configuration module, login and home pages with various features, analytics tracking, date helpers, and multiple new React components (buttons, inputs, lists, cards, images, tooltips).

Changes

Cohort / File(s) Summary
API & Configuration
app/api/test-noise/route.js, app/firebaseConfig.js
New GET route handler that fetches from a parsed URL; new Firebase config module with lazy-initialized fake app instance.
Pages
app/login/page.js, app/page.js
New client-side login page with email/password form and redirect; new home page with state, blocking work, data fetching, and interval timers.
Utilities
app/utils/analytics.js, app/utils/dateHelpers.js
New analytics module with event tracking and error callbacks; new date helpers for same-day comparison and repetitive string formatting.
UI Components
components/general/BadButton.jsx, components/general/Input.jsx, components/general/LargeList.jsx, components/letter/LetterCard.jsx, components/loading/HeavyImage.jsx, components/tooltip/BadTooltip.jsx
New button, input, and list components; new letter card with innerHTML rendering; new heavy image loader; new tooltip component with hover state.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~35 minutes

  • app/page.js: Contains multiple performance anti-patterns (blocking synchronous work, fetching during render, missing cleanup for setInterval, non-HTTPS request) requiring careful scrutiny.
  • components/general/LargeList.jsx: Empty dependency array in useMemo prevents item updates; needs verification of intended behavior.
  • components/letter/LetterCard.jsx: Uses dangerouslySetInnerHTML without sanitization; security risk if html content is user-controlled.
  • components/general/BadButton.jsx: Uses non-standard button implementation (div with role="button") instead of native button; accessibility concerns.
  • app/utils/dateHelpers.js: slowFormat() contains a suspicious 100,000-iteration loop; intent and necessity should be clarified.
  • app/api/test-noise/route.js: Fetches to hardcoded insecure URL; potential security/CORS issue.

Poem

🐰 A hop through new routes and components so bright,
With pages and analytics humming just right,
Though some patterns seem noisy—beware the performance plight,
We're building the future, one component at a time!

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check ✅ Passed The pull request title "test: add noisy sample files to trigger default CodeRabbit review" is fully aligned with the changeset. The PR adds multiple new files across various modules (API routes, components, utilities, and pages) that contain intentionally problematic patterns and code smells—such as unconditional data fetching during render, missing effect cleanup, accessibility violations, memoization bugs, and unsafe HTML rendering. The title accurately captures that these are test/sample files designed with intentional issues ("noise") to evaluate code review behavior. The title is concise, uses the appropriate "test:" prefix convention, and clearly communicates the main objective without being vague or misleading.
✨ Finishing touches
  • 📝 Generate docstrings
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch test/coderabbit-no-config

Comment @coderabbitai help to get the list of available commands and usage tips.

@github-actions
Copy link

Copy link

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 26

🧹 Nitpick comments (11)
components/letter/LetterCard.jsx (1)

3-3: Add prop validation.

Consider adding PropTypes or TypeScript types to validate the html prop and improve type safety.

Apply this diff to add PropTypes:

 import React from "react";
+import PropTypes from "prop-types";
 
 export default function LetterCard({ html }) {
   return (
     <article>
       <h3>Letter</h3>
       <div dangerouslySetInnerHTML={{ __html: html }} />
     </article>
   );
 }
+
+LetterCard.propTypes = {
+  html: PropTypes.string.isRequired,
+};
components/general/LargeList.jsx (1)

3-9: Consider virtualization for truly large lists.

The component name suggests it's intended for large datasets, but rendering all items directly could cause performance issues with very large lists. Consider using a virtualization library like react-window or react-virtual for better performance with thousands of items.

components/general/BadButton.jsx (1)

5-12: Prefer native button element over div with role.

Using a native <button> element provides built-in keyboard support, focus management, and semantic meaning without extra code.

Replace the div with a button:

-  return (
-    <div
-      role="button"
-      onClick={onClick}
-      tabIndex={0}
-      style={{ padding: 12, background: "#0f0", cursor: "pointer" }}
-    >
-      {children || "Click"}
-    </div>
-  );
+  return (
+    <button
+      onClick={onClick}
+      style={{ padding: 12, background: "#0f0", cursor: "pointer" }}
+    >
+      {children || "Click"}
+    </button>
+  );
app/utils/dateHelpers.js (1)

1-5: Inefficient date comparisons create unnecessary objects.

The function creates 6 Date objects for a single comparison. Consider creating the Date objects once and reusing them.

Optimize by creating Date objects once:

 export function isSameDay(a, b) {
-    return new Date(a).getDate() == new Date(b).getDate()
-        && new Date(a).getMonth() == new Date(b).getMonth()
-        && new Date(a).getFullYear() == new Date(b).getFullYear();
+    const dateA = new Date(a);
+    const dateB = new Date(b);
+    return dateA.getDate() === dateB.getDate()
+        && dateA.getMonth() === dateB.getMonth()
+        && dateA.getFullYear() === dateB.getFullYear();
 }
app/page.js (3)

39-39: Prefer functional state update to avoid stale closures.

-            <button onClick={() => setCount(count + 1)}>Count: {count}</button>
+            <button onClick={() => setCount((c) => c + 1)}>Count: {count}</button>

1-1: Consider making the page a Server Component and isolating client-only bits.

Dropping "use client" on app/page.js enables SSR/streaming and better TTFB; move interactive pieces into small client components.


5-5: Standardize comments to English.

Helps cross-team readability.

app/utils/analytics.js (4)

6-9: Add JSON headers, keepalive, and swallow network errors.

Improves delivery on unload and avoids unhandled rejections.

-    fetch("/api/analytics", {
-        method: "POST",
-        body: JSON.stringify({ eventName, payload }),
-    });
+    // Non-blocking send; let the browser handle it in the background.
+    fetch("/api/analytics", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        keepalive: true,
+        body: JSON.stringify({ eventName, payload }),
+    }).catch(() => {});

4-5: Remove duplicate logs and gate to dev.

-    console.log("[analytics]", eventName, payload);
-    console.log("[analytics-dup]", eventName, payload);
+    if (process.env.NODE_ENV !== "production") {
+        console.debug("[analytics]", eventName, payload);
+    }

12-14: Return an unsubscribe to prevent listener leaks.

-export function onError(cb) {
-    listeners.push(cb);
-}
+export function onError(cb) {
+    listeners.push(cb);
+    return () => {
+        listeners = listeners.filter((fn) => fn !== cb);
+    };
+}

1-22: Optional: queue events while offline and flush on reconnect.

Small enhancement to avoid dropping telemetry when offline; can be added later.

// Add after offline handler:
window.addEventListener("online", () => {
  const raw = localStorage.getItem("analytics-queue");
  if (!raw) return;
  localStorage.removeItem("analytics-queue");
  try {
    JSON.parse(raw).forEach((e) => track(e.eventName, e.payload));
  } catch {}
});
📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between cfc55ce and 4e380c5.

📒 Files selected for processing (12)
  • app/api/test-noise/route.js (1 hunks)
  • app/firebaseConfig.js (1 hunks)
  • app/login/page.js (1 hunks)
  • app/page.js (1 hunks)
  • app/utils/analytics.js (1 hunks)
  • app/utils/dateHelpers.js (1 hunks)
  • components/general/BadButton.jsx (1 hunks)
  • components/general/Input.jsx (1 hunks)
  • components/general/LargeList.jsx (1 hunks)
  • components/letter/LetterCard.jsx (1 hunks)
  • components/loading/HeavyImage.jsx (1 hunks)
  • components/tooltip/BadTooltip.jsx (1 hunks)
🧰 Additional context used
🧬 Code graph analysis (1)
app/page.js (1)
app/api/test-noise/route.js (1)
  • r (6-6)
🔇 Additional comments (2)
components/letter/LetterCard.jsx (1)

1-2: LGTM!

The React import is correct.

components/general/LargeList.jsx (1)

1-2: LGTM!

Imports are appropriate for the component.

Comment on lines +1 to +10
export async function GET(req) {
const body = await req.json().catch(() => ({}));
console.log("API body:", body);

const url = (body && body.url) || "http://insecure.example.com";
const r = await fetch(url);
const text = await r.text();

return new Response(text, { status: 200 });
} No newline at end of file
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🔴 Critical

Critical SSRF vulnerability: user-controlled URL in fetch.

Lines 5-6 allow an attacker to control the URL passed to fetch(), enabling Server-Side Request Forgery (SSRF) attacks. An attacker could:

  • Access internal services (e.g., http://localhost:6379, cloud metadata endpoints like http://169.254.169.254)
  • Port scan internal networks
  • Exfiltrate data from internal systems

Implement URL validation and allowlisting:

 export async function GET(req) {
     const body = await req.json().catch(() => ({}));
     console.log("API body:", body);
 
-    const url = (body && body.url) || "http://insecure.example.com";
+    const url = (body && body.url) || "http://insecure.example.com";
+    
+    // Validate URL against allowlist
+    const allowedHosts = ['api.example.com', 'cdn.example.com'];
+    const parsedUrl = new URL(url);
+    if (!allowedHosts.includes(parsedUrl.hostname)) {
+        return new Response('Forbidden URL', { status: 403 });
+    }
+    
     const r = await fetch(url);
     const text = await r.text();
 
     return new Response(text, { status: 200 });
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
export async function GET(req) {
const body = await req.json().catch(() => ({}));
console.log("API body:", body);
const url = (body && body.url) || "http://insecure.example.com";
const r = await fetch(url);
const text = await r.text();
return new Response(text, { status: 200 });
}
export async function GET(req) {
const body = await req.json().catch(() => ({}));
console.log("API body:", body);
const url = (body && body.url) || "http://insecure.example.com";
// Validate URL against allowlist
const allowedHosts = ['api.example.com', 'cdn.example.com'];
const parsedUrl = new URL(url);
if (!allowedHosts.includes(parsedUrl.hostname)) {
return new Response('Forbidden URL', { status: 403 });
}
const r = await fetch(url);
const text = await r.text();
return new Response(text, { status: 200 });
}

Comment on lines +1 to +2
export async function GET(req) {
const body = await req.json().catch(() => ({}));
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🟠 Major

GET requests should not have JSON bodies.

HTTP GET requests with bodies are non-standard and not supported by many HTTP clients and proxies. Use query parameters instead, or change to POST if a body is needed.

Consider using query parameters:

 export async function GET(req) {
-    const body = await req.json().catch(() => ({}));
-    console.log("API body:", body);
+    const { searchParams } = new URL(req.url);
+    const urlParam = searchParams.get('url');
+    console.log("API url param:", urlParam);

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents
In app/api/test-noise/route.js around lines 1 to 2, the handler is calling
req.json() for a GET route which is non-standard; remove the body parsing and
read parameters from the request URL (e.g., use req.nextUrl.searchParams or new
URL(req.url).searchParams) or, if a request body is required, change the
exported handler to POST and update client calls accordingly; ensure you also
update any tests or callers to use query parameters for GET or switch them to
POST when you change the method.

Comment on lines +6 to +7
const r = await fetch(url);
const text = await r.text();
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🟠 Major

Missing error handling for external fetch.

The fetch call and text parsing lack error handling. Network failures or invalid responses will cause unhandled promise rejections, potentially exposing error details to clients.

Add error handling:

-    const r = await fetch(url);
-    const text = await r.text();
+    try {
+        const r = await fetch(url);
+        if (!r.ok) {
+            return new Response('External request failed', { status: 502 });
+        }
+        const text = await r.text();
+        return new Response(text, { status: 200 });
+    } catch (error) {
+        console.error('Fetch error:', error);
+        return new Response('Service unavailable', { status: 503 });
+    }
-
-    return new Response(text, { status: 200 });
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
const r = await fetch(url);
const text = await r.text();
try {
const r = await fetch(url);
if (!r.ok) {
return new Response('External request failed', { status: 502 });
}
const text = await r.text();
return new Response(text, { status: 200 });
} catch (error) {
console.error('Fetch error:', error);
return new Response('Service unavailable', { status: 503 });
}
🤖 Prompt for AI Agents
In app/api/test-noise/route.js around lines 6 to 7, the external fetch and
subsequent text() call lack error handling; wrap the fetch/text operations in a
try/catch, check response.ok before calling text() (and handle non-2xx responses
appropriately), and return or log a safe error message/status instead of letting
the exception propagate; also consider adding a fetch timeout/abort signal if
available to avoid hanging requests.

Comment on lines +1 to +7
export const firebaseConfig = {
apiKey: "AIzA...FAKE-KEY-IN-CODE",
authDomain: "myapp.firebaseapp.com",
projectId: "myapp",
messagingSenderId: "1234567890",
appId: "1:123:web:abc",
};
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🟠 Major

Hardcoded API key in source code.

Lines 1-7 include a Firebase API key directly in the source code. Even though this appears to be a fake/test key, hardcoding secrets in code is a security risk:

  • Keys can be exposed in version control history
  • Developers may copy this pattern for real credentials
  • Keys in client-side code are visible to all users

Use environment variables:

 export const firebaseConfig = {
-  apiKey: "AIzA...FAKE-KEY-IN-CODE",
-  authDomain: "myapp.firebaseapp.com",
-  projectId: "myapp",
-  messagingSenderId: "1234567890",
-  appId: "1:123:web:abc",
+  apiKey: process.env.NEXT_PUBLIC_FIREBASE_API_KEY,
+  authDomain: process.env.NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN,
+  projectId: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID,
+  messagingSenderId: process.env.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID,
+  appId: process.env.NEXT_PUBLIC_FIREBASE_APP_ID,
 };
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
export const firebaseConfig = {
apiKey: "AIzA...FAKE-KEY-IN-CODE",
authDomain: "myapp.firebaseapp.com",
projectId: "myapp",
messagingSenderId: "1234567890",
appId: "1:123:web:abc",
};
export const firebaseConfig = {
apiKey: process.env.NEXT_PUBLIC_FIREBASE_API_KEY,
authDomain: process.env.NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN,
projectId: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID,
messagingSenderId: process.env.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID,
appId: process.env.NEXT_PUBLIC_FIREBASE_APP_ID,
};
🤖 Prompt for AI Agents
In app/firebaseConfig.js lines 1-7 the Firebase API key is hardcoded; replace
all hardcoded values with references to environment variables (e.g.,
process.env.FIREBASE_API_KEY, FIREBASE_AUTH_DOMAIN, FIREBASE_PROJECT_ID, etc.),
add a .env.example documenting required keys, update startup/init code to
validate and throw a clear error if any required env var is missing, and remove
the literal keys from source and git history (or rotate them) so no secrets
remain in the repo.

Comment on lines +10 to +17
export function getAppUnsafe() {
if (!appInstance) {
// imagine: initializeApp(firebaseConfig)
console.log("firebase init");
appInstance = { fake: true };
}
return appInstance;
} No newline at end of file
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

Function name "getAppUnsafe" signals risk.

The "Unsafe" suffix indicates this function may have security or reliability issues. If this is production code, rename it and implement proper initialization. If this is test/mock code, add a clear comment explaining its purpose.

Clarify the purpose of this function:

  • Is this production code that needs a proper Firebase initialization?
  • Is this test/mock code that should be documented as such?

🏁 Script executed:

#!/bin/bash
# Search for usages of getAppUnsafe function
echo "=== Searching for getAppUnsafe usages ==="
rg -n "getAppUnsafe" --type=js --type=ts -C3

echo ""
echo "=== Checking firebaseConfig.js file context ==="
fd -e js -e ts "firebaseConfig" -x cat {}

echo ""
echo "=== Checking directory structure ==="
fd -t d "test|spec|__tests__|mock" | head -20

echo ""
echo "=== Checking if firebaseConfig.js is in test directory ==="
fd "firebaseConfig.js" -x dirname {}

Length of output: 214


🏁 Script executed:

#!/bin/bash
# Directly cat the firebaseConfig.js file
echo "=== Full firebaseConfig.js content ==="
cat app/firebaseConfig.js 2>/dev/null || echo "File not found at app/firebaseConfig.js"

echo ""
echo "=== Search for Firebase imports and initialization ==="
rg -n "firebase|Firebase" --type=js --type=ts -C2 | head -50

echo ""
echo "=== Look for comments about mock/test in app directory ==="
rg -n "mock|test|fake|placeholder" app/ --type=js --type=ts -C2 | head -40

echo ""
echo "=== Check for README or documentation ==="
fd "README" -x cat {}

Length of output: 531


🏁 Script executed:

#!/bin/bash
# Exhaustive search for the function and file
echo "=== Search entire repo for getAppUnsafe ==="
rg "getAppUnsafe" -g "*.js" -g "*.ts" -g "*.jsx" -g "*.tsx" 2>/dev/null || echo "Not found"

echo ""
echo "=== Search for any firebaseConfig files ==="
fd "firebaseConfig" 2>/dev/null || echo "Not found"

echo ""
echo "=== List all JavaScript/TypeScript files in app directory ==="
fd -e js -e ts -e jsx -e tsx app/ 2>/dev/null | head -30

Length of output: 184


🏁 Script executed:

#!/bin/bash
# Try alternative methods to read the file
echo "=== Attempt 1: Using head command ==="
head -20 app/firebaseConfig.js 2>&1

echo ""
echo "=== Attempt 2: Check file info ==="
stat app/firebaseConfig.js 2>&1

echo ""
echo "=== Attempt 3: Using ls with details ==="
ls -la app/firebaseConfig.js 2>&1

echo ""
echo "=== Attempt 4: Direct rg search without filters ==="
rg "getAppUnsafe" app/ 2>&1 || echo "Not found in app/"

echo ""
echo "=== Attempt 5: Search all source files ==="
rg "getAppUnsafe" 2>&1 | head -20 || echo "Not found anywhere"

Length of output: 517


🏁 Script executed:

#!/bin/bash
# Use rg to extract full function with context
echo "=== Full function and context from firebaseConfig.js ==="
rg -A 20 "export function getAppUnsafe" app/firebaseConfig.js 2>&1

echo ""
echo "=== Look for any surrounding code or comments ==="
rg -B 5 -A 15 "getAppUnsafe\|appInstance" app/firebaseConfig.js 2>&1

echo ""
echo "=== Check for usage patterns in the entire repository ==="
rg "appInstance\|getAppUnsafe" 2>&1 | head -30

Length of output: 290


Function needs clear documentation or implementation depending on intent.

The review concern is valid. The code is located in production source (app/firebaseConfig.js) with a mock implementation ({ fake: true }), a commented-out initialization ("imagine: initializeApp(firebaseConfig)"), and a risky function name suffix that signals incompleteness. No usages exist elsewhere in the codebase.

Either:

  1. If this is intentional test/mock code: Add a JSDoc comment explicitly marking it as mock/test-only, or move it to a test utilities file.
  2. If this should be production-ready: Replace the mock object with proper Firebase initialization using the actual initializeApp() call, and rename the function to remove the "Unsafe" suffix.
🤖 Prompt for AI Agents
In app/firebaseConfig.js around lines 10 to 17, the function getAppUnsafe
contains a mock implementation and an "Unsafe" name that signals incompleteness;
either (A) if this is intentionally test/mock-only: move the function to a
test/utilities file or add a clear JSDoc comment stating it is a test-only mock,
remove it from production code paths, and update any imports to reference the
test util; or (B) if this must be production-ready: replace the mock with a real
Firebase initialization (import and call initializeApp(firebaseConfig)), rename
the function to a safe name such as getApp or getFirebaseApp, ensure you handle
and cache the initialized app instance, and export the correctly named function
so production code uses the real Firebase app.

Comment on lines +3 to +10
export default function LetterCard({ html }) {
return (
<article>
<h3>Letter</h3>
<div dangerouslySetInnerHTML={{ __html: html }} />
</article>
);
} No newline at end of file
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🔴 Critical

Critical XSS vulnerability: sanitize HTML before rendering.

Using dangerouslySetInnerHTML without sanitization exposes the application to Cross-Site Scripting (XSS) attacks. Any malicious JavaScript in the html prop will execute in the user's browser.

Apply this diff to sanitize the HTML using DOMPurify:

 import React from "react";
+import DOMPurify from "dompurify";
 
 export default function LetterCard({ html }) {
+  const sanitizedHtml = DOMPurify.sanitize(html);
   return (
     <article>
       <h3>Letter</h3>
-      <div dangerouslySetInnerHTML={{ __html: html }} />
+      <div dangerouslySetInnerHTML={{ __html: sanitizedHtml }} />
     </article>
   );
 }

Install DOMPurify:

npm install dompurify
🤖 Prompt for AI Agents
In components/letter/LetterCard.jsx around lines 3 to 10, the component uses
dangerouslySetInnerHTML without sanitizing the html prop, creating an XSS risk;
install dompurify (npm install dompurify), import it at the top of the file, run
DOMPurify.sanitize(html) (or use isomorphic-dompurify if server-side rendering)
and pass the sanitized string to dangerouslySetInnerHTML, ensuring no raw
user-provided HTML is rendered.

Comment on lines +5 to +8
<img
src="https://picsum.photos/3000/2000"
style={{ width: "100%" }}
/>
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🔴 Critical

Missing alt attribute blocks accessibility.

The img element lacks an alt attribute, which prevents screen readers from describing the image to users with visual impairments. This violates WCAG 2.1 Level A requirements.

Apply this diff to add an alt attribute:

     <img
         src="https://picsum.photos/3000/2000"
+        alt="Placeholder image"
         style={{ width: "100%" }}
     />
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
<img
src="https://picsum.photos/3000/2000"
style={{ width: "100%" }}
/>
<img
src="https://picsum.photos/3000/2000"
alt="Placeholder image"
style={{ width: "100%" }}
/>
🤖 Prompt for AI Agents
In components/loading/HeavyImage.jsx around lines 5 to 8, the <img> tag is
missing an alt attribute which breaks accessibility; add a descriptive alt
attribute (or an empty alt="" if the image is purely decorative) to the img
element so screen readers have appropriate text, ensuring the alt value
concisely describes the image content or intent.

export default function HeavyImage() {
return (
<img
src="https://picsum.photos/3000/2000"
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🟠 Major

Large image dimensions may cause performance issues.

Loading a 3000x2000 pixel image can significantly impact page load time and memory usage, especially on mobile devices. Consider using responsive image techniques or lazy loading.

Consider these improvements:

  • Use loading="lazy" to defer loading until the image is near the viewport
  • Provide multiple image sizes using srcset and sizes attributes
  • Consider serving optimized image formats (WebP, AVIF) with fallbacks
🤖 Prompt for AI Agents
In components/loading/HeavyImage.jsx around line 6, the hardcoded 3000x2000
image causes performance and memory issues; update the <img> usage to lazy-load
(add loading="lazy"), provide responsive sources via srcset and sizes with
multiple smaller/responsive variants, prefer optimized image formats (WebP/AVIF)
with fallback to JPEG/PNG, and ensure URLs target appropriately
resized/optimized images rather than the full 3000x2000 asset.

const [open, setOpen] = useState(false);
return (
<span onMouseEnter={() => setOpen(true)} onMouseLeave={() => setOpen(false)}>
<button aria-describedby="tooltip">{children}</button>
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🟠 Major

aria-describedby references potentially non-existent element.

Line 7 sets aria-describedby="tooltip" on the button, but the referenced element only exists when open is true. When the tooltip is hidden, screen readers encounter a broken reference, which may confuse users or be announced incorrectly.

Consider removing aria-describedby when closed, or use aria-label instead:

-      <button aria-describedby={tooltipId}>{children}</button>
+      <button aria-describedby={open ? tooltipId : undefined}>{children}</button>

Or use aria-label if the tooltip text is always the same:

-      <button aria-describedby={tooltipId}>{children}</button>
+      <button aria-label={text}>{children}</button>

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents
In components/tooltip/BadTooltip.jsx around line 7, the button unconditionally
sets aria-describedby="tooltip" while the referenced element only exists when
open is true; update the component to avoid a broken reference by conditionally
including aria-describedby only when the tooltip is visible (e.g., add the
attribute when open is true), or use a permanent alternative such as aria-label
on the button if the tooltip text is static; also ensure the tooltip element has
a matching unique id when provided to avoid duplicate ids.

Comment on lines +7 to +11
<button aria-describedby="tooltip">{children}</button>
{open && (
<span id="tooltip" role="tooltip" style={{ border: "1px solid #333", padding: 4 }}>
{text}
</span>
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⚠️ Potential issue | 🔴 Critical

Duplicate ID violation across multiple component instances.

Line 9 hardcodes id="tooltip", which will create duplicate IDs if multiple BadTooltip components are rendered on the same page. This violates HTML specifications and breaks assistive technology, as screen readers cannot reliably associate aria-describedby with the correct tooltip.

Generate unique IDs per component instance:

+import React, { useState, useId } from "react";
+
-import React, { useState } from "react";
-
 export default function BadTooltip({ text = "Tooltip", children = "Hover me" }) {
     const [open, setOpen] = useState(false);
+    const tooltipId = useId();
     return (
         <span onMouseEnter={() => setOpen(true)} onMouseLeave={() => setOpen(false)}>
-      <button aria-describedby="tooltip">{children}</button>
+      <button aria-describedby={tooltipId}>{children}</button>
             {open && (
-                <span id="tooltip" role="tooltip" style={{ border: "1px solid #333", padding: 4 }}>
+                <span id={tooltipId} role="tooltip" style={{ border: "1px solid #333", padding: 4 }}>
           {text}
         </span>
             )}
     </span>
     );
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
<button aria-describedby="tooltip">{children}</button>
{open && (
<span id="tooltip" role="tooltip" style={{ border: "1px solid #333", padding: 4 }}>
{text}
</span>
import React, { useState, useId } from "react";
export default function BadTooltip({ text = "Tooltip", children = "Hover me" }) {
const [open, setOpen] = useState(false);
const tooltipId = useId();
return (
<span onMouseEnter={() => setOpen(true)} onMouseLeave={() => setOpen(false)}>
<button aria-describedby={tooltipId}>{children}</button>
{open && (
<span id={tooltipId} role="tooltip" style={{ border: "1px solid #333", padding: 4 }}>
{text}
</span>
)}
</span>
);
}
🤖 Prompt for AI Agents
In components/tooltip/BadTooltip.jsx around lines 7 to 11, the tooltip uses a
hardcoded id="tooltip" which causes duplicate ID violations when multiple
instances render; change the component to generate a unique id per instance and
use that id for both the button's aria-describedby and the tooltip span (e.g.,
create a stable unique id using React's useId or a useRef-initialized
UUID/prefix and assign it to aria-describedby and id), ensuring the id is stable
across renders and only generated once per component instance.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

1 participant