Adding a scaled addon to receive the username1 and username2 from query parameters #2
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WalkthroughThis pull request introduces changes to the project's configuration and home page component. The Changes
Sequence DiagramsequenceDiagram
participant User
participant HomePage
participant URLParams
participant GitHubAPI
User->>URLParams: Provide usernames in URL
URLParams->>HomePage: Extract u1 and u2 parameters
HomePage->>HomePage: Validate usernames
HomePage->>GitHubAPI: Trigger comparison
GitHubAPI-->>HomePage: Return comparison data
HomePage->>User: Display results
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Actionable comments posted: 4
🔭 Outside diff range comments (1)
src/app/page.tsx (1)
Consider rate limiting and improve error handling
The review comment's concerns are valid. The current implementation:
- Uses a generic error message that hides useful information from the GraphQL and REST API errors
- Makes multiple API calls without checking rate limits
- Doesn't properly handle specific API errors (like rate limiting, user not found)
Key locations that need attention:
src/lib/github.ts:
- The
fetchGitHubUserDatafunction makes multiple API calls (user data, repos, languages, contributions) without rate limit checks- The catch block masks the original error with a generic message
- No rate limit pre-check before starting the expensive operation
Suggested implementation approach:
- Add rate limit check before starting the operation
- Preserve and propagate specific error types (RateLimitError, UserNotFoundError)
- Include remaining rate limit information in error messages
🔗 Analysis chain
Line range hint
45-66: Improve error handling and rate limiting considerationThe current error handling implementation could be enhanced:
- Generic error messages might hide useful information from users
- No handling of GitHub API rate limiting
- Error state persists between comparisons
const handleCompare = async (e?: React.FormEvent) => { if (e) e.preventDefault(); if (!username1 || !username2) { setError('Please enter both usernames'); return; } setIsLoading(true); setError(null); try { + // Add rate limiting check + const rateLimit = await checkGitHubRateLimit(); + if (rateLimit.remaining === 0) { + throw new Error(`GitHub API rate limit exceeded. Reset at ${new Date(rateLimit.reset * 1000)}`); + } + const user1Data = await fetchGitHubUserData(username1); const user2Data = await fetchGitHubUserData(username2); const roasts = await generateComparison(user1Data, user2Data); setComparisonData({ user1: user1Data, user2: user2Data, roasts, }); } catch (err) { - setError('Failed to fetch comparison data. Please try again later.'); + setError(err instanceof Error ? err.message : 'An unexpected error occurred. Please try again later.'); } finally { setIsLoading(false); } };Let's verify the GitHub API rate limiting implementation:
Let me analyze the GitHub API interaction implementation to verify the rate limiting concerns.
I need to check the actual implementation of the GitHub API calls to verify the error handling and rate limiting implementation.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for rate limit handling in the codebase rg -l "rate limit" --type ts --type tsxLength of output: 69
Script:
#!/bin/bash # Search for rate limit handling in the codebase with ripgrep, adjusting file extensions rg -l "rate.?limit" "." -g "*.ts" -g "*.tsx" # Search for GitHub API related functions to check rate limit implementation rg "fetchGitHubUserData|checkGitHubRateLimit" "." -g "*.ts" -g "*.tsx" -A 5Length of output: 1237
Script:
#!/bin/bash # Let's examine the GitHub API implementation to see how errors are handled cat ./src/lib/github.tsLength of output: 10756
📜 Review details
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Review profile: CHILL
Plan: Pro
📒 Files selected for processing (2)
package.json(2 hunks)src/app/page.tsx(3 hunks)
🧰 Additional context used
🪛 eslint
src/app/page.tsx
[error] 12-12: 'username1' is never reassigned. Use 'const' instead.
(prefer-const)
[error] 12-12: 'setUsername1' is never reassigned. Use 'const' instead.
(prefer-const)
[error] 13-13: 'username2' is never reassigned. Use 'const' instead.
(prefer-const)
[error] 13-13: 'setUsername2' is never reassigned. Use 'const' instead.
(prefer-const)
| "framer-motion": "^4.1.17", | ||
| "lucide-react": "^0.14.0", |
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💡 Codebase verification
Critical: Confirmed compatibility issues with React dependencies
The verification reveals critical compatibility constraints:
[email protected]requires React 16.5.1 specifically[email protected]supports up to React 17 only- Neither package supports React 18 or 19
While no security vulnerabilities were found, these versions are incompatible with modern React versions and will cause runtime errors.
Recommended actions:
- Upgrade
framer-motionto at least version 10.x for React 18+ support - Upgrade
lucide-reactto at least version 0.200.0 for React 18+ support
🔗 Analysis chain
Critical: Significant dependency downgrades may introduce compatibility issues
The downgrades to much older versions are concerning:
framer-motionv4.1.17 is from 2021, missing years of improvements and fixeslucide-reactv0.14.0 is significantly older than the current v0.468.0
These older versions might have compatibility issues with React 19 and could introduce security vulnerabilities.
Let's verify the compatibility and security implications:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for known vulnerabilities in these specific versions
gh api graphql -f query='
{
securityVulnerabilities(first: 5, ecosystem: NPM, package: "framer-motion") {
nodes {
advisory {
summary
severity
publishedAt
}
vulnerableVersionRange
firstPatchedVersion {
identifier
}
}
}
}
'
# Check peer dependency requirements
npm info [email protected] peerDependencies
npm info [email protected] peerDependencies
Length of output: 554
src/app/page.tsx
Outdated
| useEffect(() => { | ||
| // Only call handleCompare when both usernames are set | ||
| if (username1 && username2) { | ||
| handleCompare(); | ||
| } | ||
| }, [username1, username2]); |
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Fix potential stale closure and unnecessary comparison issues
The current implementation has two potential issues:
handleCompareis not included in the dependency array, which could lead to stale closure problems- Comparisons might be triggered unnecessarily when usernames are set to the same values
useEffect(() => {
- // Only call handleCompare when both usernames are set
- if (username1 && username2) {
- handleCompare();
- }
-}, [username1, username2]);
+ const prevUsername1 = React.useRef(username1);
+ const prevUsername2 = React.useRef(username2);
+
+ if (username1 && username2 &&
+ (username1 !== prevUsername1.current ||
+ username2 !== prevUsername2.current)) {
+ handleCompare();
+ prevUsername1.current = username1;
+ prevUsername2.current = username2;
+ }
+}, [username1, username2, handleCompare]);📝 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.
| useEffect(() => { | |
| // Only call handleCompare when both usernames are set | |
| if (username1 && username2) { | |
| handleCompare(); | |
| } | |
| }, [username1, username2]); | |
| useEffect(() => { | |
| const prevUsername1 = React.useRef(username1); | |
| const prevUsername2 = React.useRef(username2); | |
| if (username1 && username2 && | |
| (username1 !== prevUsername1.current || | |
| username2 !== prevUsername2.current)) { | |
| handleCompare(); | |
| prevUsername1.current = username1; | |
| prevUsername2.current = username2; | |
| } | |
| }, [username1, username2, handleCompare]); |
src/app/page.tsx
Outdated
| useEffect(() => { | ||
| const urlParams = new URLSearchParams(window.location.search); | ||
| const u1 = urlParams.get('u1'); | ||
| const u2 = urlParams.get('u2'); | ||
|
|
||
| // Validate username format | ||
| const isValidUsername = (username: string | null) => /^[a-zA-Z0-9_-]+$/.test(username || ''); | ||
|
|
||
| if (u1 && u2 && isValidUsername(u1) && isValidUsername(u2)) { | ||
| setUsername1(u1); | ||
| setUsername2(u2); | ||
| } | ||
| }, []); |
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🛠️ Refactor suggestion
Enhance URL parameter handling and validation
The current implementation has several areas for improvement:
- The username validation regex is basic and might miss edge cases
- Changes to URL parameters after initial load aren't handled
- The validation logic could be reusable
Consider these improvements:
+// Move to utils/validation.ts
+export const isValidGitHubUsername = (username: string | null): boolean => {
+ if (!username) return false;
+ // GitHub username rules: 1-39 characters, alphanumeric or single hyphens, cannot begin/end with hyphen
+ return /^[a-zA-Z0-9](?:[a-zA-Z0-9]|-(?=[a-zA-Z0-9])){0,38}$/.test(username);
+}
useEffect(() => {
- const urlParams = new URLSearchParams(window.location.search);
+ const handleUrlParams = () => {
+ const urlParams = new URLSearchParams(window.location.search);
+ const u1 = urlParams.get('u1');
+ const u2 = urlParams.get('u2');
+
+ if (u1 && u2 && isValidGitHubUsername(u1) && isValidGitHubUsername(u2)) {
+ setUsername1(u1);
+ setUsername2(u2);
+ }
+ };
+
+ // Handle initial load and subsequent URL changes
+ handleUrlParams();
+ window.addEventListener('popstate', handleUrlParams);
+ return () => window.removeEventListener('popstate', handleUrlParams);
-}, []);
+}, []);Committable suggestion skipped: line range outside the PR's diff.
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Actionable comments posted: 0
🔭 Outside diff range comments (1)
src/app/page.tsx (1)
Line range hint
45-69: Improve error handling and request managementThe current implementation uses a generic error message and doesn't handle specific error cases or manage concurrent requests.
+ const [controller, setController] = useState<AbortController | null>(null); const handleCompare = async (e?: React.FormEvent) => { if (e) e.preventDefault(); if (!username1 || !username2) { setError('Please enter both usernames'); return; } + // Cancel any in-flight request + controller?.abort(); + const newController = new AbortController(); + setController(newController); setIsLoading(true); setError(null); try { - const user1Data = await fetchGitHubUserData(username1); - const user2Data = await fetchGitHubUserData(username2); + const user1Data = await fetchGitHubUserData(username1, newController.signal); + const user2Data = await fetchGitHubUserData(username2, newController.signal); const roasts = await generateComparison(user1Data, user2Data); setComparisonData({ user1: user1Data, user2: user2Data, roasts, }); } catch (err) { - setError('Failed to fetch comparison data. Please try again later.'); + if (err.name === 'AbortError') { + return; + } + if (err.response?.status === 404) { + setError('One or both usernames not found on GitHub'); + } else if (err.response?.status === 403) { + setError('Rate limit exceeded. Please try again later.'); + } else { + setError('Failed to fetch comparison data. Please try again later.'); + } } finally { setIsLoading(false); } };🧰 Tools
🪛 eslint
[error] 65-65: 'err' is defined but never used.
(@typescript-eslint/no-unused-vars)
🧹 Nitpick comments (1)
src/app/page.tsx (1)
38-43: Handle potential race conditions with state updatesThe current implementation might trigger multiple comparisons during rapid state updates. Consider implementing debouncing to prevent unnecessary API calls.
+import { useCallback, useEffect } from 'react'; +import debounce from 'lodash/debounce'; export default function Home() { + const debouncedCompare = useCallback( + debounce(() => { + if (username1 && username2) { + handleCompare(); + } + }, 500), + [handleCompare] + ); useEffect(() => { - if (username1 && username2) { - handleCompare(); - } + debouncedCompare(); + return () => { + debouncedCompare.cancel(); + }; }, [username1, username2]);
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📒 Files selected for processing (1)
src/app/page.tsx(3 hunks)
🔇 Additional comments (2)
src/app/page.tsx (2)
66-66: Skip comment - already covered
The error message improvements were addressed in the previous review comment about error handling.
24-36: 🛠️ Refactor suggestion
Enhance URL parameter validation and error handling
The current implementation could be improved in several ways:
- Add error state handling for invalid usernames in URL parameters
- Consider showing a user-friendly message when invalid parameters are provided
- Add loading state while validating parameters
useEffect(() => {
const urlParams = new URLSearchParams(window.location.search);
const u1 = urlParams.get('u1');
const u2 = urlParams.get('u2');
// Validate username format
const isValidUsername = (username: string | null) => /^[a-zA-Z0-9_-]+$/.test(username || '');
if (u1 && u2 && isValidUsername(u1) && isValidUsername(u2)) {
setUsername1(u1);
setUsername2(u2);
- }
+ } else if (u1 || u2) {
+ setError('Invalid username parameters provided in URL');
+ }
}, []);Likely invalid or redundant comment.
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Circuit-Overtime
force-pushed
the
main
branch
from
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03ae893
Compare
Added
useEffecthook to handle the comparison after both usernames are set, ensuring state updates are completed before triggering the comparison.Fixed
Fixed issue where the comparison wasn't triggered correctly due to asynchronous state updates in React (due to the use of query parameters)
Addressed bug where usernames were not being properly set when passed via URL parameters, resulting in
nullvalues (due to the use of query parameters)Changed
username1andusername2are valid before triggering the comparison.Summary by CodeRabbit
New Features
Bug Fixes
handleComparefunction to be more flexible in handling events.Chores
framer-motionandlucide-reactdependencies.