It's open source, check by yourself: https://github.com/Microsoft/vscode/blob/master/build/gulpfile.vscode.js https://github.com/Microsoft/vscode/blob/master/b

It's open source, check by yourself: https://github.com/Microsoft/vscode/blob/master/build/gulpfile.vscode.js https://github.com/Microsoft/vscode/blob/master/build/gulpfi... which use https://github.com/joaomoreno/gulp-atom-electron https://github.com/joaomoreno/gulp-atom-electron to fetch electron