got a lot working

src/main.js

@@ -1,16 +1,25 @@
-const { app, BrowserWindow } = require('electron');
-// const { initialize, enable } = require('@electron/remote/main');
-const path = require('node:path');
+// const { app, BrowserWindow, ipcMain } = require('electron');
+// const { fromUrl } = require('id3js');
+// const path = require('node:path');
 
+import { app, BrowserWindow, ipcMain } from 'electron';
+import { fromPath } from 'id3js';
+import path from 'node:path';
+import { dirname } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { readdir, promises } from 'fs';
 
-// initialize();
+let win;
 
 const createWindow = () => {
-    const win = new BrowserWindow({
+    const filename = fileURLToPath(import.meta.url);
+
+    win = new BrowserWindow({
         width: 800,
         height: 600,
         webPreferences: {
-            preload: path.join(__dirname, 'preload.js')
+            preload: path.join(dirname(filename), 'preload.js'),
+            contextIsolation: true
         }
     });
 
@@ -19,6 +28,18 @@ const createWindow = () => {
 };
 
 app.whenReady().then(() => {
+    // ipcMain.handle('getAudioInfo', function(event, url) {
+    //     let info;
+
+    //     fromUrl(url).then(function(tags) {
+    //         info = tags;
+    //     }).catch(function(reason) {
+    //         console.log(reason);
+    //     });
+
+    //     return info;
+    // });
+
     createWindow();
 
     app.on('activate', () => {
@@ -32,4 +53,43 @@ app.on('window-all-closed', () => {
         app.quit();
 });
 
+ipcMain.handle('readMusicLibrary', function(event, path) {
+    let files = promises.readdir(path)
+        .then(function(files) {
+            if (files) {
+                return files;
+            } else {
+                return -1;
+            }
+        })
+        .catch(err => {
+            console.log(err);
+        });
+
+    return files;
+});
+
+ipcMain.handle('getAudioInfo', function(event, url) {
+    let id3tags = fromPath(url).then(function(tags) {
+        return tags;
+    }).catch(function(reason) {
+        console.log(reason);
+    })
+
+    return id3tags;
+});
+
+// function getAudioInfo(url) {
+//     let info;
+
+//     fromUrl(url).then((tags) => {
+//         info = tags;
+//     });
+
+//     return info;
+// }
+
+// ipcMain.on('A', (event, args) => {
+
+// });