for-legacy-web/src/redux/reducers/last_opened.ts

33 lines
642 B
TypeScript

export interface LastOpened {
[key: string]: string;
}
export type LastOpenedAction =
| { type: undefined }
| {
type: "LAST_OPENED_SET";
parent: string;
child: string;
}
| {
type: "RESET";
};
export function lastOpened(
state = {} as LastOpened,
action: LastOpenedAction,
): LastOpened {
switch (action.type) {
case "LAST_OPENED_SET": {
return {
...state,
[action.parent]: action.child,
};
}
case "RESET":
return {};
default:
return state;
}
}