const electron = require('electron') const { Value } = require('mutant') module.exports = function () { const isFullScreen = Value(false) // receive the OS window state from the main process electron.ipcRenderer.on('enter-full-screen', () => { isFullScreen.set(true) }) electron.ipcRenderer.on('leave-full-screen', () => { isFullScreen.set(false) }) return isFullScreen }