Gönderdeki hata çözüldü

src/background.js

@@ -57,12 +57,12 @@ const gotTheLock = app.requestSingleInstanceLock();
 if (!gotTheLock) {
   app.quit();
 } else {
-  app.on("second-instance", () => {
+  app.on("second-instance", (event, args) => {
     if (mainWindow) {
       if (mainWindow.isMinimized()) mainWindow.restore();
       mainWindow.focus();
     }
-    require("./deep")(mainWindow);
+    require("./deep")(mainWindow, args);
   });
   app.on("ready", async () => {
     if (isDevelopment && !process.env.IS_TEST) {

src/deep/index.js

@@ -3,9 +3,9 @@ const { spawn } = require("child_process");
 const { copyFileSync, existsSync } = require("fs");
 const { basename, join, posix } = require("path");
 
-const handler = win => {
-  console.log(existsSync);
-  let file = process.argv.slice(process.argv.indexOf(process.execPath) + 1);
+const handler = (win, args = null) => {
+  const argv = args || process.argv;
+  let file = argv.slice(argv.indexOf(process.execPath) + 1);
   file = file.filter(f => existsSync(f));
   if (file.length === 0) {
     return;