/**
* Bootstrap file - Sets up polyfills before importing anything else
* This is the actual entry point for the Electron main process
*/
// Polyfill File API for undici (used by FastMCP)
// This MUST be done before any imports that might load undici
if (typeof globalThis.File === 'undefined') {
// @ts-ignore
globalThis.File = class File {
name: string
size: number
type: string
lastModified: number
private _buffer: Buffer
constructor(chunks: any[], name: string, options?: any) {
this.name = name
this.type = options?.type || 'application/octet-stream'
this.lastModified = options?.lastModified || Date.now()
// Convert chunks to buffer
if (chunks.length === 0) {
this._buffer = Buffer.alloc(0)
} else if (Buffer.isBuffer(chunks[0])) {
this._buffer = Buffer.concat(chunks as Buffer[])
} else if (typeof chunks[0] === 'string') {
this._buffer = Buffer.from(chunks.join(''))
} else {
this._buffer = Buffer.from(chunks.toString())
}
this.size = this._buffer.length
}
async arrayBuffer() {
return this._buffer.buffer.slice(
this._buffer.byteOffset,
this._buffer.byteOffset + this._buffer.byteLength
)
}
async text() {
return this._buffer.toString('utf-8')
}
stream() {
const { Readable } = require('stream')
return Readable.from(this._buffer)
}
slice(start?: number, end?: number, contentType?: string) {
const sliced = this._buffer.slice(start, end)
// @ts-ignore
return new File([sliced], this.name, { type: contentType || this.type })
}
}
}
// ==================== Single Instance Lock ====================
// Check BEFORE importing main app to avoid logger file lock conflicts
import { app, BrowserWindow } from 'electron'
// Global callback for opening main window (set by main app after initialization)
;(global as any).__promptxOpenMainWindow = null
const gotTheLock = app.requestSingleInstanceLock()
if (!gotTheLock) {
// Another instance is already running, quit immediately
console.log('Another instance is already running. Quitting...')
app.quit()
} else {
// Set up second-instance handler IMMEDIATELY after getting lock
// This ensures we catch second instance attempts even during app initialization
app.on('second-instance', () => {
console.log('Second instance detected, focusing existing window...')
// Focus existing window if any
const windows = BrowserWindow.getAllWindows()
if (windows.length > 0) {
const mainWindow = windows[0]
if (mainWindow.isMinimized()) {
mainWindow.restore()
}
mainWindow.show()
mainWindow.focus()
} else {
// No window exists, use callback to open main window
const openMainWindow = (global as any).__promptxOpenMainWindow
if (typeof openMainWindow === 'function') {
openMainWindow()
}
}
})
// Now import the actual app (only if we got the lock)
import('./index.js')
}
// ==============================================================
