Nic Raboy says
https://blog.nraboy.com/2016/01/include-external-javascript-libraries-in-an-angular-2-typescript-project/
I’ve been a JavaScript developer for a while now, but with the release of Angular 2, I’ve been inspired to pick up TypeScript. However, what happens when I want to use one of my hundreds of available external JavaScript libraries in my project?
I’m going to share how to use your favorite JavaScript libraries in a TypeScript Angular 2 application.
https://blog.nraboy.com/2016/01/include-external-javascript-libraries-in-an-angular-2-typescript-project/