Thursday, October 1, 2015

AngularJS 1.x and TypeScript

I did a bit of research today on TypeScript. As it is favored (but not required) for the upcoming AngularJS 2.0 release, I wanted to dig a bit deeper. Keep in mind that as of Oct 2015, AngularJS 2.0 is still a pure alpha version and even new projects shall continue using AngularJS 1.4.

Nonetheless, it looks like TypeScript is a viable option even for the latest 1.4 version. In fact, Yeoman now provides an Angular starter (generator-gulp-angular) that gives you the option to use TypeScript as your language of choice.

Here are some resources that I thought were helpful:

I believe, that particularly for Java Developers, TypeScript could be quite interesting - as you have much better type-safety compared to using plain JavaScript. See the following blog entry by Veit Weber:

Why Java Developers might love TypeScript

There is a good presentation by Sander Mak from JavaOne: "TypeScript for Java Developers: Coding JavaScript Without the Pain" on that subject as well:

A longer version:

As you can have a much better OO experience with TypeScript, I think it will be also quite interesting to use rich domain objects with AngularJS rather than using JSON structures directly when retrieving data from your REST endpoints.

There is a great presentation by Gert Hengeveld from NG-NL 2015.


Blog Post:

Convert JSON Structure to TypeScript Classes

If you create TypeScript classes that need to handle JSON, the follow online tool to generate TypeScript interfaces from JSON might be of interest:

TypeScript type definitions

I still need to wrap my head around TypeScript type definitions. They basically bolt on type definition for libraries that are not inherently based on TypeScript. There is a repository for them:

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