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fix: Prevent error about updating unmounted component. #92

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fix: Prevent error about updating unmounted component. #92

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9 changes: 7 additions & 2 deletions client/src/AppRoot.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@ export const configuredAtStorageKey = 'configuredAt'

const AppRoot = ({ storage }: Props) => {
const printBallotRef = useRef<HTMLDivElement>(null)
const [isFetchingElection, setIsFetchingElection] = useState(true)

const getElection = async () => {
const election = await storage.get(electionStorageKey)
Expand Down Expand Up @@ -139,21 +140,21 @@ const AppRoot = ({ storage }: Props) => {
useEffect(() => {
;(async () => {
if (!election) {
setIsFetchingElection(true)
const storageElection = await getElection()
if (storageElection) {
setElection(storageElection)
setElectionHash(sha256(JSON.stringify(storageElection)))

setConfiguredAt((await storage.get(configuredAtStorageKey)) || '')
}

if (castVoteRecordFiles === CastVoteRecordFiles.empty) {
const storageCVRFiles = await getCVRFiles()
if (storageCVRFiles) {
setCastVoteRecordFiles(CastVoteRecordFiles.import(storageCVRFiles))
setIsOfficialResults((await getIsOfficialResults()) || false)
}
}
setIsFetchingElection(false)
}
})()
})
Expand Down Expand Up @@ -197,6 +198,10 @@ const AppRoot = ({ storage }: Props) => {
}
}

if (isFetchingElection) {
return null
}

return (
<AppContext.Provider
value={{
Expand Down