Faster preferences window

ts/shims/dispatchItemsMiddleware.ts

@@ -0,0 +1,25 @@
+// 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 => {
+  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 next(action);
+};