Samuel Newman
46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import {createContext, useContext, useEffect, useState} from 'react'
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import {isWeb} from '#/platform/detection'
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import {IS_DEV} from '#/env'
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const LightStatusBarRefCountContext = createContext<number>(0)
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const SetLightStatusBarRefCountContext = createContext<React.Dispatch<
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React.SetStateAction<number>
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> | null>(null)
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export function useLightStatusBarRefCount() {
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return useContext(LightStatusBarRefCountContext)
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}
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export function useLightStatusBar(enabled: boolean) {
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const setRefCount = useContext(SetLightStatusBarRefCountContext)
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useEffect(() => {
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// noop on web -sfn
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if (isWeb) return
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if (!setRefCount) {
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if (IS_DEV)
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console.error(
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'useLightStatusBar was used without a SetLightStatusBarRefCountContext provider',
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)
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return
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}
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if (enabled) {
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setRefCount(prev => prev + 1)
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return () => setRefCount(prev => prev - 1)
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}
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}, [enabled, setRefCount])
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}
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export function Provider({children}: React.PropsWithChildren<{}>) {
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const [refCount, setRefCount] = useState(0)
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return (
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<SetLightStatusBarRefCountContext.Provider value={setRefCount}>
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<LightStatusBarRefCountContext.Provider value={refCount}>
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{children}
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</LightStatusBarRefCountContext.Provider>
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</SetLightStatusBarRefCountContext.Provider>
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)
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}
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