text: import { siteId, url } from 'common/settings';
  import { THREAD_SET_COLLAPSE } from './thread.actions';
  import getCollapsedComments from './getCollapsedComments';
  import saveCollapsedComments from './saveCollapsedComments';
  
  const collapsedCommentsMiddleware = ({ getState }) => next => action => {
    if (action.type === THREAD_SET_COLLAPSE) {
      const state = getState();
      const currentCollapsed = state[action.comment.id];
  
      if (action.collapsed !== currentCollapsed) {
        const lsCollapsedID = `${siteId}_${url}_${action.comment.id}`;
        let collapsedComments = getCollapsedComments();
  
        if (action.collapsed) {
          collapsedComments = [...new Set(collapsedComments.concat(lsCollapsedID))];
        } else {
          collapsedComments = collapsedComments.filter(id => id !== lsCollapsedID);
        }
  
        saveCollapsedComments(collapsedComments);
      }
    }
  
    next(action);
  };
  
  export default collapsedCommentsMiddleware;
  