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Typescript: Type 'Promise

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Type 'Promise' is not assignable to type 'void | Destructor'.

for the checkUserLoggedIn() call in useEffect.

I can get rid of it by doing const checkUserLoggedIn:any

However maybe that's not the most ideal way of solving this...

If I do const checkUserLoggedIn:Promise I then get a different error:

This expression is not callable. Type 'Promise' has no call signatures.

which is not what I want...I want it to be callable...I'm translating/converting my javascript file to typescript.....

useEffect(() => checkUserLoggedIn(), [])

    // Check if user is logged in
    const checkUserLoggedIn = async () => {
        console.log('checkUserLoggedIn')

        const res = await fetch(`${NEXT_URL}/api/user`)
        const data = await res.json()

        if (res.ok) {
            setUser(data.user)

            console.log('data.user', data.user)
            router.push('/account/dashboard')
        } else {
            setUser(null)
        }
    }
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