gatemaker/electron-observer.js

macOS quarantine utilities for Node.js and Electron

const EventEmitter = require("events")
const { app, session } = require("electron")

const observer = new EventEmitter
const sessions = new WeakSet

app.whenReady().then(start)

function start() {
  addSession(session.defaultSession)
  app.on("session-created", addSession)
}

function addSession(session) {
  if (sessions.has(session)) return
  sessions.add(session)
  session.on("will-download", sessionWillDownload)
}

function sessionWillDownload(event, download) {
  download.once("done", downloadDone)
}

function downloadDone(event, state) {
  if (state != "completed") return
  observer.emit("download-completed", event.sender)
}

module.exports = observer