Function liftReducer

packages/redux-devtools-instrument/src/instrument.ts:1015–1033

(r: Reducer<S, A>)

      initialState?: PreloadedState<S>
    ) => {
      function liftReducer(r: Reducer<S, A>) {
        if (typeof r !== 'function') {
          if (r && typeof (r as { default: unknown }).default === 'function') {
            throw new Error(
              'Expected the reducer to be a function. ' +
                'Instead got an object with a "default" field. ' +
                'Did you pass a module instead of the default export? ' +
                'Try passing require(...).default instead.'
            );
          }
          throw new Error('Expected the reducer to be a function.');
        }
        return liftReducerWith<S, A, MonitorState, MonitorAction>(
          r,
          initialState,
          monitorReducer,
          options as unknown as Options<S, A, MonitorState, MonitorAction>
        );
      }

      const liftedStore = createStore(liftReducer(reducer));
      if (