import * as f from "../../index";

export * from "../../index";

export const createUpdateAction = <TState extends f.IState | undefined, TParams extends {}>(
    cursor: f.ICursor<TState> | f.ICursorFactory<TState, TParams>,
    postHandler?: (state: TState, params?: TParams) => TState
) =>
    f.createAction<TState, TParams>(cursor, (state: TState, params: TParams) => {
        return postHandler
            ? postHandler(
                  f.shallowCopy(state, (l) => {
                      Object.keys(params).forEach((p) => {
                          (<any>l)[p] = (<any>params)[p];
                      });
                  }),
                  params
              )
            : f.shallowCopy(state, (l) => {
                  Object.keys(params).forEach((p) => {
                      (<any>l)[p] = (<any>params)[p];
                  });
              });
    });