I'm working on a React Native app, and I'm having some issues regarding conditional rendering based on the Redux state, which I fetch using useSelector
.
I have tried with and without the useEffect
below (so with returning the component directly instead of setting a state), but the variables returned from useSelector
do not seem to change when the state is updated. Since the states are loading at first, I end up in the latest else if
, and get stuck there. I have to then refresh the app to get the actual values and get to the desired screen
const ContainerA = ({ navigation }) => {
const {
loginSuccess,
loginLoading,
accountType,
permissionsSuccess,
permissionsLoading,
} = useSelector((state) => state.accountInfo);
const [toRender, setToRender] = useState(null);
useEffect(() => {
if (loginSuccess) {
if (loginSuccess.success === 1 && accountType === 3) {
console.log('[Container] case 1');
setToRender(<PageA navigation={navigation} />);
// return <PageA navigation={navigation} />;
// return;
} else if (
(loginSuccess.success === 1 &&
(accountType === 1 || accountType === 2)) || (loginSuccess.success === 0)
) {
console.log('[Container] case 2');
navigation.navigate(SCREENS.CONTROL_PANEL);
}
} else if (loginLoading || permissionsLoading) {
console.log('[Container] case 4');
setToRender(<LoadingPage />);
// return <LoadingPage />;
// return;
}
}, [
loginSucess,
loginLoading,
accountType,
navigation,
permissionSuccess,
permissionsLoading,
]);
return toRender;
};
export default ContainerA;
Redux reducer:
case 'loginInit':
return updateState(state, {
loginLoading: true,
loginSuccess: null,
loginFail: null,
});
case 'loginSuccess':
return updateState(state, {
loginLoading: false,
loginSuccess: action.success,
});
case 'loginFail':
return updateState(state, {
loginLoading: false,
loginFail: action.error,
});
case 'permissionsInit':
return updateState(state, {
permissionsLoading: true,
accountType: null,
permissionsSuccess: null,
permissionsFail: null,
});
case 'permissionsSuccess':
return updateState(state, {
permissionsLoading: false,
permissionsSuccess: action.success,
accountType: action.success.success
? action.success.success
: action.success.errors,
});
case 'permissionsFail':
return updateState(state, {
permissionsLoading: false,
permissionsFail: action.error,
});
updateState function:
export const updateState = (state, updatedProps) => ({
...state,
...updatedProps,
});
Seems like I was executing the functions that do the checks in a place where I shouldn't get any successful response. I fixed it by calling those functions in the Navigator where I was sure to have the token, since those calls required it (and which were not doing the actual API call without it). The code remaining in ContainerA
is:
const {
firstLoginSuccess,
firstLoginLoading,
accountType,
permissionsSuccess,
permissionsLoading,
} = useSelector((state) => state.accountInfo);
if (firstLoginSuccess) {
if (firstLoginSuccess.success === 1 && accountType === 3) {
return <FirstTimeLoginPage navigation={navigation} />;
} else if (
(firstLoginSuccess.success === 1 &&
(accountType === 1 || accountType === 2)) ||
firstLoginSuccess.success === 0
) {
navigation.navigate(SCREENS.CONTROL_PANEL);
}
} else if (firstLoginLoading || permissionsLoading) {
console.log('[FirstTimeLoginContainer] case 4');
}
return <LoadingPage />;