Basic template

electron/main.ts

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+import { app, BrowserWindow, ipcMain } from 'electron';
+import path from 'path';
+import fs from 'fs/promises';
+
+function createWindow() {
+    const mainWindow = new BrowserWindow({
+        webPreferences: {
+            preload: path.join(__dirname, 'preload.js'),
+            contextIsolation: true,
+            autoplayPolicy: 'no-user-gesture-required',
+            backgroundThrottling: false,
+            nodeIntegration: false,
+        },
+    });
+
+    mainWindow.loadFile(path.join(__dirname, '../dist/index.html'));
+}
+
+app.on('ready', createWindow);
+
+ipcMain.handle('read-file', async (event: any, filePath: string) => {
+    const userDataPath = app.getPath('userData');
+    const fullPath = path.resolve(userDataPath, filePath);
+    if (!fullPath.startsWith(userDataPath)) throw new Error('Access denied');
+    return fs.readFile(fullPath, { encoding: 'utf-8' });
+});
+
+ipcMain.handle('write-file', async (event: any, filePath: string, content: any) => {
+    const userDataPath = app.getPath('userData');
+    const fullPath = path.resolve(userDataPath, filePath);
+    if (!fullPath.startsWith(userDataPath)) throw new Error('Access denied');
+    await fs.writeFile(fullPath, content, { encoding: 'utf-8' });
+});
+
+ipcMain.handle('list-files', async (event: any, dirPath: string) => {
+    const userDataPath = app.getPath('userData');
+    const fullPath = path.resolve(userDataPath, dirPath);
+    if (!fullPath.startsWith(userDataPath)) throw new Error('Access denied');
+    return fs.readdir(fullPath);
+});

electron/preload.ts

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+import { contextBridge, ipcRenderer } from 'electron';
+
+contextBridge.exposeInMainWorld('electronAPI', {
+    writeFile: (filePath: string, content: string) => ipcRenderer.invoke('write-file', filePath, content),
+    readFile: (filePath: string) => ipcRenderer.invoke('read-file', filePath),
+    listFiles: (dirPath: string) => ipcRenderer.invoke('list-files', dirPath)
+});