Therefore, if you are using Angular today, and want to upgrade to Angular 2 someday, start learning TypeScript. Start using TypeScript. Start using TypeScript in some of your AngularJS 1.x work (we do).
Even aside from the obvious Angular motivation above, type systems in general (and TypeScript in particular) can be very useful. They enable a much more helpful editing/IDE experience. Numerous bugs can be caught at compile time. The incidence of runtime errors tends to be much lower. Unit testing can carry less of the load when using a typed language, so that whatever amount of effort you devote to unit testing, a greater share of it can go toward important functionality versus more trivial tests.
Here are resources to get started.
- The TypeScript home page
- This older blog post, about TypeScript with Angular 1.x, it predates TypeScript 1.5.
- Another older blog post, also predates TS 1.5.
- A TypeScript Gradle plugin, which generally works (for simple cases).
We will follow up later with examples of moving Angular 1.x code to TypeScript; we might even add a class offering to teach TypeScript for AngularJS developers. Stay tuned.
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