TypeScript: class composition

Question

Based on this awesome Composition over Inheritance video by MPJ, I\'ve been trying to formulate composition in TypeScript. I want to compose classes, not object

Answer 1

Unfortunately, there is no easy way to do this. There is currently a proposal to allow for the extends keyword to allow you to do this, but it is still being talked about in this GitHub issue.

Your only other option is to use the Mixins functionality available in TypeScript, but the problem with that approach is that you have to re-define each function or method that you want to re-use from the "inherited" classes.