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[Wallet] Fix last alert banner redisplayed on re-render (#6325)
### Description This fixes the regression described in #6314. The change in #6230 made the underlying problem in `AlertBanner` more prominent as it caused the top level navigator to re-render on app state change (background/foreground/inactive) and hence the `AlertBanner`. ### Other changes Globally mock `Animated.View` and `Animated.ScrollView` to prevent out of memory error when a ref is set. See callstack/react-native-testing-library#539 Note: This change caused the Snapshot updates, because the styles are not flattened anymore for the mocked `Animated.View`. ### Tested - Last alert is not redisplayed when navigating to different screens. - New alert banner with same content can still be redisplayed when dispatched (causing a state change). ### Related issues - Fixes #6314 ### Backwards compatibility Yes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,30 +1,37 @@ | ||
| import SmartTopAlert, { AlertTypes } from '@celo/react-components/components/SmartTopAlert' | ||
| import * as React from 'react' | ||
| import SmartTopAlert from '@celo/react-components/components/SmartTopAlert' | ||
| import React, { memo, useMemo } from 'react' | ||
| import { useDispatch } from 'react-redux' | ||
| import { hideAlert } from 'src/alert/actions' | ||
| import { ErrorDisplayType } from 'src/alert/reducer' | ||
| import useSelector from 'src/redux/useSelector' | ||
|
|
||
| export default function AlertBanner() { | ||
| function AlertBanner() { | ||
| const alert = useSelector((state) => state.alert) | ||
| const dispatch = useDispatch() | ||
|
|
||
| const onPress = () => { | ||
| const action = alert?.action ?? hideAlert() | ||
| dispatch(action) | ||
| } | ||
| const displayAlert = useMemo(() => { | ||
| if (alert?.displayMethod === ErrorDisplayType.BANNER && (alert.title || alert.message)) { | ||
| const onPress = () => { | ||
| const action = alert?.action ?? hideAlert() | ||
| dispatch(action) | ||
| } | ||
|
|
||
| return ( | ||
| <SmartTopAlert | ||
| isVisible={!!alert && alert.displayMethod === ErrorDisplayType.BANNER} | ||
| // TODO: this looks like a hack to re-render, refactor! | ||
| timestamp={Date.now()} | ||
| text={alert && alert.message} | ||
| onPress={onPress} | ||
| type={alert && alert.type === 'error' ? AlertTypes.ERROR : AlertTypes.MESSAGE} | ||
| dismissAfter={alert && alert.dismissAfter} | ||
| buttonMessage={alert && alert.buttonMessage} | ||
| title={alert && alert.title} | ||
| /> | ||
| ) | ||
| const { type, title, message, buttonMessage, dismissAfter } = alert | ||
|
|
||
| return { | ||
| type, | ||
| title, | ||
| message, | ||
| buttonMessage, | ||
| dismissAfter, | ||
| onPress, | ||
| } | ||
| } else { | ||
| return null | ||
| } | ||
| }, [alert]) | ||
|
|
||
| return <SmartTopAlert alert={displayAlert} /> | ||
| } | ||
|
|
||
| export default memo(AlertBanner) |
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