geo/apps/desktop-client/src/main/single-instance.ts

import { app } from 'electron/main'

let initialized = false

export function initSingleInstance(onSecondInstance?: (argv: string[]) => void): boolean {
  if (initialized) {
    return true
  }

  initialized = true
  const hasLock = app.requestSingleInstanceLock()
  if (!hasLock) {
    return false
  }

  app.on('second-instance', (_event, argv) => {
    onSecondInstance?.(argv)
  })

  return true
}