gemini-viewer-xeokit-ui/main.js

const { app, BrowserWindow } = require("electron");
const path = require("path");
const port = 3000;
let mainWindow = null;

const debug = /--debug/.test(process.argv[2]);
function makeSingleInstance() {
    if (process.mas) return;
    app.requestSingleInstanceLock();
    app.on("second-instance", () => {
        if (mainWindow) {
            if (mainWindow.isMinimized()) mainWindow.restore();
            mainWindow.focus();
        }
    });
}
function createWindow() {
    const windowOptions = {
        width: 1024,
        height: 768,
    };
    mainWindow = new BrowserWindow(windowOptions);
    mainWindow.loadURL(`http://localhost:${port}`);
    // mainWindow.loadURL(path.join("file://", __dirname, "/build/index.html"));

    const ipc = require("electron").ipcMain;
    ipc.on("min", function () {
        mainWindow.minimize();
    });
    ipc.on("max", function () {
        mainWindow.maximize();
    });
    ipc.on("login", function () {
        mainWindow.maximize();
    });
    //如果是--debug 打开开发者工具，窗口最大化，
    if (debug) {
        mainWindow.webContents.openDevTools();
        require("devtron").install();
    }

    mainWindow.on("closed", () => {
        mainWindow = null;
    });
}
const express = require("express");
const appExpress = express();

const distPath = path.join(__dirname, "./build");
appExpress.use("/", express.static(distPath));

appExpress.listen(port, () => {
    console.log(`Example app listening at http://localhost:${port}`);

    makeSingleInstance();
    //app主进程的事件和方法
    app.on("ready", () => {
        createWindow();
    });
    app.on("window-all-closed", () => {
        if (process.platform !== "darwin") {
            app.quit();
        }
    });
    app.on("activate", () => {
        if (mainWindow === null) {
            createWindow();
        }
    });
});
module.exports = mainWindow;