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fix(frontend): improve DuckLake connection detection in map page

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Wait for DuckLake loading to complete before deciding whether to use
DuckLake data or fallback to static JSON. Prevents race conditions.
This commit is contained in:
kempersc 2025-12-07 19:23:12 +01:00
parent 1981dc28ed
commit 12965071be
1 changed files with 10 additions and 9 deletions
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19
frontend/src/pages/NDEMapPageMapLibre.tsx
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@ -585,8 +585,14 @@ export default function NDEMapPage() {
// Load institutions data - prefer DuckLake, fallback to static JSON
useEffect(() => {
async function loadInstitutions() {
// If DuckLake is connected and has data, use it
if (duckLakeData.isConnected && !duckLakeData.isLoading && duckLakeData.institutions.length > 0) {
// Wait for DuckLake to finish loading before making any decisions
if (duckLakeData.isLoading) {
console.log('[NDEMapPage] Waiting for DuckLake connection...');
return;
}
// If DuckLake is connected and has data, use it exclusively
if (duckLakeData.isConnected && duckLakeData.institutions.length > 0) {
console.log(`[NDEMapPage] Using DuckLake data: ${duckLakeData.institutions.length} institutions`);
setInstitutions(duckLakeData.institutions);
@ -599,13 +605,8 @@ export default function NDEMapPage() {
return;
}
// If DuckLake is still loading, wait
if (duckLakeData.isConnected && duckLakeData.isLoading) {
return;
}
// Fallback to static JSON when DuckLake not connected or has error
console.log('[NDEMapPage] DuckLake not available, falling back to static JSON');
// DuckLake finished loading but has no data or is not connected - use static JSON as fallback
console.log('[NDEMapPage] DuckLake not available or empty, falling back to static JSON');
try {
const [instResponse, metaResponse] = await Promise.all([
fetch(INSTITUTIONS_URL),