<Switch>
<Route exact path="/"
component={Sources}
isAuthenticated={isAuthenticated}/>
<Route exact path="/sources/:sourceId"
component={Categories}
isAuthenticated={isAuthenticated}/>
<Route exact path="/sources/:sourceId/categories/:categoryId"
component={Items}
isAuthenticated={isAuthenticated}/>
<Route exact path="/sources/:sourceId/categories/:categoryId/items/:itemId"
component={Item}
isAuthenticated={isAuthenticated}/>
<Route exact path="/item/:index"
component={ItemInvoice}
isAuthenticated={isAuthenticated}/>
<Route exact path="/overeenkomsten"
component={Overeenkomsten}
isAuthenticated={isAuthenticated}/>
<Route component={Sources}/>
</Switch>