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Mongodb – Uncaught TypeError: Cannot read properties of undefined (reading 'map') while using map function in useEffect

useEffect(() => { if(currentUser){ currentUser?.friends.map(friends => { if(friends._id===currentProfile._id){ return setFriend(true) } }) }else{ return setFriend(false) } },[currentUser,currentProfile]) //currentUser is the user logged in //currentProfile is user selected i want to show button as Unfriend if the user selected is already…

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