for-legacy-web/src/redux/State.tsx

42 lines
1.0 KiB
TypeScript

import localForage from "localforage";
import { Provider } from "react-redux";
import { useEffect, useState } from "preact/hooks";
import MobXState, { StateContextProvider } from "../mobx/State";
import { dispatch, State, store } from ".";
import { Children } from "../types/Preact";
interface Props {
children: Children;
}
/**
* Component for loading application state.
* @param props Provided children
*/
export default function StateLoader(props: Props) {
const [loaded, setLoaded] = useState(false);
const [state] = useState(new MobXState());
useEffect(() => {
localForage.getItem("state").then((state) => {
if (state !== null) {
dispatch({ type: "__INIT", state: state as State });
}
setLoaded(true);
});
}, []);
if (!loaded) return null;
return (
<Provider store={store}>
<StateContextProvider value={state}>
{props.children}
</StateContextProvider>
</Provider>
);
}