如何使用gRPC

[Zcentury]

我想使用grpc来调用其他服务，遇到了困惑我很久的问题

import { ipcMain } from "electron";
import { fileURLToPath } from "url";
import { dirname } from "path";
import path from "node:path";

const __dirname = dirname(fileURLToPath(import.meta.url));

var PROTO_PATH = path.resolve(__dirname, "helloworld.proto");

console.log(PROTO_PATH);

import grpc from "@grpc/grpc-js";
import protoLoader from "@grpc/proto-loader";

var packageDefinition = protoLoader.loadSync(PROTO_PATH, {
    keepCase: true,
    longs: String,
    enums: String,
    defaults: true,
    oneofs: true,
});
var hello_proto = grpc.loadPackageDefinition(packageDefinition)
    .helloworld as any;
var client = new hello_proto.Greeter(
    "localhost:50051",
    grpc.credentials.createInsecure()
);

export default (win: Electron.BrowserWindow) => {
    ipcMain.on("hello", () => {
        client.SayHello({ name: "user" }, function (err: any, response: any) {
            console.log("Greeting:", response.message);
        });
    });
};

根据grpc官网的node例子写的

但是一直报错

PROTO_PATH: E:\electron-vite-project\example.proto
App threw an error during load
TypeError: Cannot read properties of null (reading 'readFileSync')
    at fetch2 (file:///E:/electron-vite-project/dist-electron/main.js:7673:29)
    at Root2.load2 [as load] (file:///E:/electron-vite-project/dist-electron/main.js:7702:9)
    at Root2.loadSync2 [as loadSync] (file:///E:/electron-vite-project/dist-electron/main.js:7712:17)
    at loadProtosWithOptionsSync (file:///E:/electron-vite-project/dist-electron/main.js:11043:28)
    at Object.loadSync2 [as loadSync] (file:///E:/electron-vite-project/dist-electron/main.js:11762:61)
    at file:///E:/electron-vite-project/dist-electron/main.js:20577:33
    at ModuleJob.run (node:internal/modules/esm/module_job:222:25)
    at async ModuleLoader.import (node:internal/modules/esm/loader:316:24)
    at async loadApplicationPackage (file:///E:/electron-vite-project/node_modules/electron/dist/resources/default_app.asar/main.js:129:9)
    at async file:///E:/electron-vite-project/node_modules/electron/dist/resources/default_app.asar/main.js:241:9

我甚至写的绝对路径都不行

还有就是如何将这个文件也打包到dist-electron中去