dan
29 lines
685 B
TypeScript
29 lines
685 B
TypeScript
import {useEffect, useState} from 'react'
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import {useNavigation} from '@react-navigation/native'
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import {getTabState, TabState} from '#/lib/routes/helpers'
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export function useTabFocusEffect(
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tabName: string,
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cb: (isInside: boolean) => void,
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) {
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const [isInside, setIsInside] = useState(false)
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// get root navigator state
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let nav = useNavigation()
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while (nav.getParent()) {
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nav = nav.getParent()
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}
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const state = nav.getState()
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useEffect(() => {
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// check if inside
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let v = getTabState(state, tabName) !== TabState.Outside
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if (v !== isInside) {
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// fire
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setIsInside(v)
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cb(v)
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}
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}, [state, isInside, setIsInside, tabName, cb])
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}
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