@lobehub/chat/packages/electron-client-ipc/src/dispatch.ts

Lobe Chat - an open-source, high-performance chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Supports one-click free deployment of your private ChatGPT/LLM web application.

import { DispatchInvoke, type ProxyTRPCRequestParams } from './types';

interface StreamerCallbacks {
  onData: (chunk: Uint8Array) => void;
  onEnd: () => void;
  onError: (error: Error) => void;
  onResponse: (response: {
    headers: Record<string, string>;
    status: number;
    statusText: string;
  }) => void;
}

interface IElectronAPI {
  invoke: DispatchInvoke;
  onStreamInvoke: (params: ProxyTRPCRequestParams, callbacks: StreamerCallbacks) => () => void;
}

declare global {
  interface Window {
    electronAPI: IElectronAPI;
  }
}

/**
 * client 端请求 main 端 event 数据的方法
 */
export const dispatch: DispatchInvoke = async (event, ...data) => {
  if (!window.electronAPI || !window.electronAPI.invoke)
    throw new Error(`electronAPI.invoke not found. Please expose \`ipcRenderer.invoke\` to \`window.electronAPI.invoke\` in the preload:

import { contextBridge, ipcRenderer } from 'electron';

const invoke = async (event, ...data) =>
  ipcRenderer.invoke(event, ...data);

contextBridge.exposeInMainWorld('electronAPI', { invoke });
`);

  return window.electronAPI.invoke(event, ...data);
};