trilium/apps/desktop/src/main.ts

import { initializeTranslations } from "@triliumnext/server/src/services/i18n.js";
import { t } from "i18next";

import { app, globalShortcut, BrowserWindow } from "electron";
import sqlInit from "@triliumnext/server/src/services/sql_init.js";
import windowService from "@triliumnext/server/src/services/window.js";
import tray from "@triliumnext/server/src/services/tray.js";
import options from "@triliumnext/server/src/services/options.js";
import electronDebug from "electron-debug";
import electronDl from "electron-dl";
import { deferred } from "@triliumnext/server/src/services/utils.js";
import { PRODUCT_NAME } from "./app-info";

async function main() {
    const serverInitializedPromise = deferred<void>();

    // Prevent Trilium starting twice on first install and on uninstall for the Windows installer.
    if ((require("electron-squirrel-startup")).default) {
        process.exit(0);
    }

    // Adds debug features like hotkeys for triggering dev tools and reload
    electronDebug();
    electronDl({ saveAs: true });

    // needed for excalidraw export https://github.com/zadam/trilium/issues/4271
    app.commandLine.appendSwitch("enable-experimental-web-platform-features");
    app.commandLine.appendSwitch("lang", options.getOptionOrNull("formattingLocale") ?? "en");

    // Disable smooth scroll if the option is set
    const smoothScrollEnabled = options.getOptionOrNull("smoothScrollEnabled");
    if (smoothScrollEnabled === "false") {
        app.commandLine.appendSwitch("disable-smooth-scrolling");
    }

    // Electron 36 crashes with "Using GTK 2/3 and GTK 4 in the same process is not supported" on some distributions.
    // See https://github.com/electron/electron/issues/46538 for more info.
    if (process.platform === "linux") {
        app.setName(PRODUCT_NAME);
        app.commandLine.appendSwitch("gtk-version", "3");
    }

    // Quit when all windows are closed, except on macOS. There, it's common
    // for applications and their menu bar to stay active until the user quits
    // explicitly with Cmd + Q.
    app.on("window-all-closed", () => {
        if (process.platform !== "darwin") {
            app.quit();
        }
    });

    app.on("ready", async () => {
        await serverInitializedPromise;
        console.log("Starting Electron...");
        await onReady();
    });

    app.on("will-quit", () => {
        globalShortcut.unregisterAll();
    });

    app.on("second-instance", (event, commandLine) => {
        const lastFocusedWindow = windowService.getLastFocusedWindow();
        if (commandLine.includes("--new-window")) {
            windowService.createExtraWindow("");
        } else if (lastFocusedWindow) {
            if (lastFocusedWindow.isMinimized()) {
                lastFocusedWindow.restore();
            }
            lastFocusedWindow.show();
            lastFocusedWindow.focus();
        }
    });

    await initializeTranslations();

    const isPrimaryInstance = (await import("electron")).app.requestSingleInstanceLock();
    if (!isPrimaryInstance) {
        console.info(t("desktop.instance_already_running"));
        process.exit(0);
    }

    // this is to disable electron warning spam in the dev console (local development only)
    process.env["ELECTRON_DISABLE_SECURITY_WARNINGS"] = "true";

    const startTriliumServer = (await import("@triliumnext/server/src/www.js")).default;
    await startTriliumServer();
    console.log("Server loaded");
    serverInitializedPromise.resolve();
}

async function onReady() {
    //    app.setAppUserModelId('com.github.zadam.trilium');

    // if db is not initialized -> setup process
    // if db is initialized, then we need to wait until the migration process is finished
    if (sqlInit.isDbInitialized()) {
        await sqlInit.dbReady;

        await windowService.createMainWindow(app);

        if (process.platform === "darwin") {
            app.on("activate", async () => {
                if (BrowserWindow.getAllWindows().length === 0) {
                    await windowService.createMainWindow(app);
                }
            });
        }

        tray.createTray();
    } else {
        await windowService.createSetupWindow();
    }

    await windowService.registerGlobalShortcuts();
}

main();