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fix: inbox flicker during loading #2573
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| import { type FC, useMemo } from 'react'; | ||
| import { type FC, useMemo, useRef } from 'react'; | ||
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| import { useAppContext } from '../hooks/useAppContext'; | ||
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@@ -14,28 +14,57 @@ export const NotificationsRoute: FC = () => { | |
| const { notifications, status, globalError, settings, hasNotifications } = | ||
| useAppContext(); | ||
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| // Store previous successful state | ||
| const prevStateRef = useRef({ | ||
| notifications, | ||
| status, | ||
| globalError, | ||
| hasNotifications, | ||
| }); | ||
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| // Update ref only if not loading | ||
| if (status !== 'loading') { | ||
| prevStateRef.current = { | ||
| notifications, | ||
| status, | ||
| globalError, | ||
| hasNotifications, | ||
| }; | ||
| } | ||
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| // Use previous state if loading | ||
| const displayState = | ||
| status === 'loading' | ||
|
Member
Author
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Use previous state while loading |
||
| ? prevStateRef.current | ||
| : { | ||
| notifications, | ||
| status, | ||
| globalError, | ||
| hasNotifications, | ||
| }; | ||
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| const hasMultipleAccounts = useMemo( | ||
| () => notifications.length > 1, | ||
| [notifications], | ||
| () => displayState.notifications.length > 1, | ||
| [displayState.notifications], | ||
| ); | ||
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| const hasNoAccountErrors = useMemo( | ||
| () => notifications.every((account) => account.error === null), | ||
| [notifications], | ||
| () => displayState.notifications.every((account) => account.error === null), | ||
| [displayState.notifications], | ||
| ); | ||
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| if (status === 'error') { | ||
| return <Oops error={globalError} />; | ||
| if (displayState.status === 'error') { | ||
| return <Oops error={displayState.globalError} />; | ||
| } | ||
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| if (!hasNotifications && hasNoAccountErrors) { | ||
| if (!displayState.hasNotifications && hasNoAccountErrors) { | ||
| return <AllRead />; | ||
| } | ||
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| return ( | ||
| <Page testId="notifications"> | ||
| <Contents paddingHorizontal={false}> | ||
| {notifications.map((accountNotification) => { | ||
| {displayState.notifications.map((accountNotification) => { | ||
| return ( | ||
| <AccountNotifications | ||
| account={accountNotification.account} | ||
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Clear global error only if we made it to the end successfully