feat: save file to disk

src/main/event.ts

@@ -0,0 +1,24 @@
+import { dialog, SaveDialogOptions, SaveDialogReturnValue } from 'electron'
+import { writeFile } from 'fs'
+import logger from 'electron-log'
+
+export async function saveFile(_: Electron.IpcMainInvokeEvent, fileName: string, content: string): Promise<void> {
+  try {
+    const options: SaveDialogOptions = {
+      title: '保存文件',
+      defaultPath: fileName
+    }
+
+    const result: SaveDialogReturnValue = await dialog.showSaveDialog(options)
+
+    if (!result.canceled && result.filePath) {
+      writeFile(result.filePath, content, { encoding: 'utf-8' }, (err) => {
+        if (err) {
+          logger.error('[IPC - Error]', 'An error occurred saving the file:', err)
+        }
+      })
+    }
+  } catch (err) {
+    logger.error('[IPC - Error]', 'An error occurred saving the file:', err)
+  }
+}

src/main/index.ts

@@ -6,6 +6,7 @@ import windowStateKeeper from 'electron-window-state'
 import { join } from 'path'
 import icon from '../../resources/icon.png?asset'
 import AppUpdater from './updater'
+import { saveFile } from './event'
 
 function createWindow() {
   // Load the previous state with fallback to defaults
@@ -115,6 +116,8 @@ app.whenReady().then(() => {
     session.defaultSession.setProxy(proxy ? { proxyRules: proxy } : {})
   })
 
+  ipcMain.handle('save-file', saveFile)
+
   // 触发检查更新(此方法用于被渲染线程调用，例如页面点击检查更新按钮来调用此方法)
   ipcMain.handle('check-for-update', async () => {
     autoUpdater.logger?.info('触发检查更新')