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fix: preserve developer state across navigation #180

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Merged
sajeetharan merged 1 commit into from
Aug 16, 2026
Merged

fix: preserve developer state across navigation #180

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19 changes: 14 additions & 5 deletions app/page.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -20,21 +20,22 @@ import dynamic from 'next/dynamic';

const Globe = dynamic(() => import('../components/Globe.jsx'), { ssr: false });
const PENDING_CLAIM_KEY = 'devglobe-pending-claim';
let cachedDeveloperDataset = null;

export default function Home() {
const [developers, setDevelopers] = useState([]);
const [developers, setDevelopers] = useState(() => cachedDeveloperDataset?.developers || []);
const [datasetCount, setDatasetCount] = useState(null);
const [filtered, setFiltered] = useState([]);
const [filtered, setFiltered] = useState(() => cachedDeveloperDataset?.developers || []);
const [selectedDev, setSelectedDev] = useState(null);
const [loading, setLoading] = useState(true);
const [loading, setLoading] = useState(() => !cachedDeveloperDataset);
const [error, setError] = useState(null);
const [flyTarget, setFlyTarget] = useState(null);
const [selectedCountry, setSelectedCountry] = useState('');
const [compareDevs, setCompareDevs] = useState([]);
const [theme, setTheme] = useState('dark');
const [user, setUser] = useState(null);
const [claimStatus, setClaimStatus] = useState('unclaimed'); // 'unclaimed' | 'pending' | 'claimed' | 'no_match'
const [claimedLogins, setClaimedLogins] = useState(new Set());
const [claimedLogins, setClaimedLogins] = useState(() => new Set(cachedDeveloperDataset?.claimedLogins || []));
const [sidebarOpen, setSidebarOpen] = useState(false);
const [sidebarView, setSidebarView] = useState('leaderboard');
const [cardRequest, setCardRequest] = useState(0);
Expand Down Expand Up @@ -135,12 +136,17 @@ export default function Home() {
setFiltered(scored);
const claimed = new Set(raw.filter(d => d.claimed).map(d => d.login));
setClaimedLogins(claimed);
cachedDeveloperDataset = { developers: scored, claimedLogins: claimed };
claimedDeveloper = scored.find(developer => developer.login === user.login);
}
} else if (claimedDeveloper) {
claimedDeveloper = { ...claimedDeveloper, claimed: true };
setDevelopers(current => current.map(developer => developer.login === user.login ? claimedDeveloper : developer));
const updatedDevelopers = developers.map(developer => developer.login === user.login ? claimedDeveloper : developer);
const updatedClaimedLogins = new Set(cachedDeveloperDataset?.claimedLogins || []);
updatedClaimedLogins.add(user.login);
setDevelopers(updatedDevelopers);
setFiltered(current => current.map(developer => developer.login === user.login ? claimedDeveloper : developer));
cachedDeveloperDataset = { developers: updatedDevelopers, claimedLogins: updatedClaimedLogins };
}

claimedDeveloper ||= {
Expand Down Expand Up @@ -200,6 +206,8 @@ export default function Home() {
}, []);

useEffect(() => {
if (cachedDeveloperDataset) return;

async function loadData() {
try {
fetch('/api/developers/count', { signal: AbortSignal.timeout(10000) })
Expand All @@ -218,6 +226,7 @@ export default function Home() {
// Build set of all claimed logins from data
const claimed = new Set(raw.filter(d => d.claimed).map(d => d.login));
setClaimedLogins(claimed);
cachedDeveloperDataset = { developers: scored, claimedLogins: claimed };
setLoading(false);
} catch (err) {
setError(err.message);
Expand Down
3 changes: 2 additions & 1 deletion components/DetailPanel.jsx
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
'use client';

import React, { useEffect, useRef, useState } from 'react';
import Link from 'next/link';
import { track } from '@vercel/analytics';
import * as d3 from 'd3';
import { formatNum, formatRelativeTime, isStaleData } from '../lib/format.js';
Expand Down Expand Up @@ -192,7 +193,7 @@ export default function DetailPanel({ dev, onClose, onCardGenerated, claimedLogi
{merged.soUserId && (
<a href={`https://stackoverflow.com/users/${merged.soUserId}`} target="_blank" rel="noreferrer">StackOverflow ↗</a>
)}
<a href={`/developer/${encodeURIComponent(dev.login)}`}>Impact History</a>
<Link href={`/developer/${encodeURIComponent(dev.login)}`}>Impact History</Link>
<a href={`/share/${encodeURIComponent(dev.login)}#get-your-badge`} target="_blank" rel="noopener noreferrer">Get Badge ↗</a>
<button
className="btn btn--share"
Expand Down