With so much focus on moving code towards ES6 and making it future-proof, I wanted to show you how you can start adopting tools like TypeScript to create an app that can be easily upgraded and maintained. $ npm install gulp-tsc --save-dev Here’s the Gulp build task for TypeScript: var typescript = require('gulp-tsc'); var paths = { sass: ['./scss/**/*.scss'], src: ['./src/*.ts'] }; gulp.task('comp