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const electron = require('electron')
const app = electron.app

module.exports = {
	handleSquirrelEvent: function () {
		if (process.argv.length === 1) {
			return false;
		}

		const ChildProcess = require('child_process');
		const path = require('path');

		const appFolder = path.resolve(process.execPath, '..');
		const rootAtomFolder = path.resolve(appFolder, '..');
		const updateDotExe = path.resolve(path.join(rootAtomFolder, 'Update.exe'));
		const exeName = path.basename(process.execPath);
		const spawn = function (command, args) {
			let spawnedProcess, error;

			try {
				spawnedProcess = ChildProcess.spawn(command, args, {detached: true});
			} catch (error) {
			}

			return spawnedProcess;
		};

		const spawnUpdate = function (args) {
			return spawn(updateDotExe, args);
		};

		const squirrelEvent = process.argv[1];
		switch (squirrelEvent) {
			case '--squirrel-install':
			case '--squirrel-updated':
				// Optionally do things such as:
				// - Add your .exe to the PATH
				// - Write to the registry for things like file associations and
				// explorer context menus

				// Install desktop and start menu shortcuts
				spawnUpdate(['--createShortcut', exeName]);

				setTimeout(app.quit, 1000);
				return true;

			case '--squirrel-uninstall':
				// Undo anything you did in the --squirrel-install and
				// --squirrel-updated handlers

				// Remove desktop and start menu shortcuts
				spawnUpdate(['--removeShortcut', exeName]);

				setTimeout(app.quit, 1000);
				return true;

			case '--squirrel-obsolete':
				// This is called on the outgoing version of your app before
				// we update to the new version - it's the opposite of
				// --squirrel-updated

				app.quit();
				return true;
		}
	}
}