orca/src/main/ipc/parcel-watcher-entry-path.ts

import { existsSync } from 'node:fs'
import { join } from 'node:path'

type ElectronAppPath = { getAppPath(): string; isPackaged: boolean }

function loadElectronApp(): ElectronAppPath | null {
  try {
    return require('electron').app ?? null
  } catch {
    return null
  }
}

export function resolveWatcherProcessEntryPath(
  appPath: string,
  isPackaged: boolean,
  pathExists: (candidate: string) => boolean = existsSync
): string {
  // Why: ELECTRON_RUN_AS_NODE bypasses Electron's asar integration, so the
  // packaged entry must be forked from app.asar.unpacked.
  const basePath = isPackaged ? appPath.replace('app.asar', 'app.asar.unpacked') : appPath
  const adjacentBuildEntry = join(basePath, 'parcel-watcher-process-entry.js')
  // Why: electron-vite's unpackaged appPath is already out/main. Appending
  // out/main again silently disables crash isolation in dev and E2E builds.
  if (!isPackaged && pathExists(adjacentBuildEntry)) {
    return adjacentBuildEntry
  }
  return join(basePath, 'out', 'main', 'parcel-watcher-process-entry.js')
}

export function getWatcherProcessEntryPath(): string {
  const app = loadElectronApp()
  return resolveWatcherProcessEntryPath(
    app?.getAppPath() ?? process.cwd(),
    app?.isPackaged === true
  )
}