Conditional Rendering with Mutations

I am using a graphQL mutation in the function SubmitForm(), which returns a token and saves it in local storage if the username/password are correct. If not, .catch() catches an error. I want that if the login is not successful, I should be able to display a snack bar/typography etc. How can I do so in this case?

function LoginPage (){
  const [state, setState] = useState({
    email: '',
    password: '',
    loggedIn: false,
  });  


  function submitForm(LoginMutation: any) {
    const { email, password } = state;
    console.log(email, password)
    if(email && password){
      LoginMutation({
        variables: {
            email: email,
            password: password,
        },
    }).then(({ data }: any) => {
      localStorage.setItem('token', data.loginEmail);
    })
    .catch(console.log)
    }
  }

    return (
      <Mutation mutation={LoginMutation}>
        {(LoginMutation: any) => (
          <Container component="main" maxWidth="xs">
            <CssBaseline />
            <div style={{
              display: 'flex',
              flexDirection: 'column',
              alignItems: 'center'
            }}>
              <Avatar>
                <LockOutlinedIcon />
              </Avatar>
              <Typography component="h1" variant="h5">
                Sign in
              </Typography>
              <Formik
                initialValues={{ email: '', password: '' }}
                onSubmit={(values, actions) => {
                  setTimeout(() => {
                    alert(JSON.stringify(values, null, 2));
                    actions.setSubmitting(false);
                  }, 1000);
                }}
                validationSchema={schema}
              >
                {props => {
                  const {
                    values: { email, password },
                    errors,
                    touched,
                    handleChange,
                    isValid,
                    setFieldTouched
                  } = props;
                  const change = (name: string, e: any) => {
                    e.persist();                
                    handleChange(e);
                    setFieldTouched(name, true, false);
                    setState( prevState  => ({ ...prevState,   [name]: e.target.value }));  
                  };
                  return (
                    <form style={{ width: '100%' }} onSubmit={e => {e.preventDefault();submitForm(LoginMutation)}}>
                      <TextField
                        variant="outlined"
                        margin="normal"
                        id="email"
                        fullWidth
                        name="email"
                        helperText={touched.email ? errors.email : ""}
                        error={touched.email && Boolean(errors.email)}
                        label="Email"     
                        value={email}
                        onChange={change.bind(null, "email")}
                      />
                      <TextField
                        variant="outlined"
                        margin="normal"
                        fullWidth
                        id="password"
                        name="password"
                        helperText={touched.password ? errors.password : ""}
                        error={touched.password && Boolean(errors.password)}
                        label="Password"
                        type="password"
                        value={password}
                        onChange={change.bind(null, "password")}
                      />
                      <FormControlLabel
                        control={<Checkbox value="remember" color="primary" />}
                        label="Remember me"
                      />
                      <br />
                      <Button className='button-center'
                        type="submit"
                        disabled={!isValid || !email || !password}
                        style={{
                          background: '#6c74cc',
                          borderRadius: 3,
                          border: 0,
                          color: 'white',
                          height: 48,
                          padding: '0 30px'
                        }}
                      >
                        Submit</Button>
                      <br></br>
                      <Grid container>
                        <Grid item xs>
                          <Link href="#" variant="body2">
                            Forgot password?
                    </Link>
                        </Grid>
                        <Grid item>
                          <Link href="#" variant="body2">
                            {"Don't have an account? Sign Up"}
                          </Link>
                        </Grid>
                      </Grid>
                    </form>
                  )
                }}
              </Formik>
            </div>
            <Box mt={8}>
              <Copyright />
            </Box>
          </Container>
          )
        }
      </Mutation>
    );
}

export default LoginPage;

I tried writing this after the .catch() but I get an error that name data isn't found. But either way I don't feel that this is the correct way to do so.

   if (!data.loginEmail)
    {
      return <Typography> Invalid </Typography>
    }