KeycloakApp.re

type state = {
  isAuthed: bool
};

type action = | SetAuthenticated(bool);

let component = ReasonReact.reducerComponent("KeycloakApp");

let make = (_children) => {
  ...component,
  initialState: () => {isAuthed: false},
  reducer: (action, _state) =>
    switch action {
    | SetAuthenticated(isAuthed) => ReasonReact.Update({isAuthed})
    },
  didMount: ({send}) =>
    Keycloak.auth
    |> Js.Promise.then_(
         (authenticated) => {
           authenticated |. SetAuthenticated |> send;
           Js.Promise.resolve()
         }
       )
    |> ignore,
  render: ({state}) =>
    switch state.isAuthed {
    | false => <div> ("You're not authorized." |> ReasonReact.str) </div>
    | true => <MySecuredApp />
    }
};