TypeScript has gotten so much better in the last year, and so many new applications and projects are built on top its awesomeness. Its first-class integration and support in Visual Studio Code helps a lot, and I think TypeScript as a language is here to stay, despite some people having their misgivings. The usual process is to write code in TypeScript, and have it compiled to JavaScript, and then
![Unit testing node applications with TypeScript — using mocha and chai](https://cdn-ak-scissors.b.st-hatena.com/image/square/536788fbf677b6bb414974d9d85baabd426b952d/height=288;version=1;width=512/https%3A%2F%2Fjournal.artful.dev%2Fcontent%2Fimages%2Fv2%2Fresize%3Afit%3A1200%2F1-j4oookfcbcmsofvlax5uta.jpg)