signal-desktop/ts/shims/dispatchItemsMiddleware.ts

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import { ipcRenderer } from 'electron';
import { Middleware } from 'redux';

import { COLORS_CHANGED, COLOR_SELECTED } from '../state/ducks/conversations';

export const dispatchItemsMiddleware: Middleware = ({
  getState,
}) => next => action => {
  const result = next(action);
  if (
    action.type === 'items/PUT' ||
    action.type === 'items/PUT_EXTERNAL' ||
    action.type === 'items/REMOVE' ||
    action.type === 'items/REMOVE_EXTERNAL' ||
    action.type === 'items/RESET' ||
    action.type === COLOR_SELECTED ||
    action.type === COLORS_CHANGED
  ) {
    ipcRenderer.send('preferences-changed', getState().items);
  }
  return result;
};