redux-prevent-repeat-dispatch

A redux middleware to prevent dispatching of repeat actions for a specific period of time.

Usage

Pass the actions which you want to prevent and an optional time in ms for which you want to prevent multiple dispatches.

import preventRepeatActions from 'redux-prevent-repeat-dispatch';

const enhancer = compose(applyMiddleware(preventRepeatActions(['ACTION_TO_PREVENT_DISPATCH'], 1000)), ...enhancers);

const store = createStore(rootReducer, {}, enhancer);

Tests

Below are the passing tests cases for the middleware.

it('preventRepeatActions: should prevent repeat dispatches of passed actions', () => {
  const mockDispatch = jest.fn();
  const action = {
    type: 'TEST_ACTION_ABC'
  };
  const middlewareInstance = preventRepeatActions(['TEST_ACTION_ABC'], 1000)()(mockDispatch);
  middlewareInstance(action);
  middlewareInstance(action);
  middlewareInstance(action);
  expect(mockDispatch).toHaveBeenCalledTimes(1); // dispatches action only once for 1 second.
});
it('preventRepeatActions: should not prevent repeat dispatches of other than passed actions', () => {
  const mockDispatch = jest.fn();
  const action = {
    type: 'TEST_ACTION_XYZ'
  };
  const middlewareInstance = preventRepeatActions(['TEST_ACTION_ABC'], 1000)()(mockDispatch);
  middlewareInstance(action);
  middlewareInstance(action);
  middlewareInstance(action);
  expect(mockDispatch).toHaveBeenCalledTimes(3); // dispatches everytime for all the other actions
});