Open source software

Haxe: one language, several compilation targets

Understand what Haxe shares across platforms, where target-specific work remains, and how to evaluate the toolchain with a small project.

Haxe is a statically typed language and compiler toolchain designed to target several platforms. It can be useful when a team wants to share application logic while retaining access to different runtimes.

The key distinction is between sharing a language and sharing every dependency. A Haxe program that relies on a platform-specific library does not automatically work unchanged on every target. Keep portable logic separate from browser, operating-system, or engine-specific integration.

Try the smallest possible program

class Main {
  static function main() {
    trace("Hello from Haxe");
  }
}

Save this as Main.hx. With a suitable Haxe installation, haxe --main Main --interp runs it through the interpreter. A JavaScript build can use haxe --main Main --js main.js. Consult the official manual for supported targets and the requirements of your installed version.

What to evaluate in a trial

Build a small piece of your real domain logic and compile it for two intended targets. Test strings, dates, serialization, error handling, and any performance-sensitive code. Add one external library so the trial includes the dependency workflow rather than only the compiler.

Look at editor support, build integration, debugging, and how the team will update libraries. The language is only one part of adopting a toolchain. Review component licenses as well: the compiler, standard library, and third-party packages need not share identical terms.

When it earns a place

Haxe is most interesting when cross-target code reuse is a real requirement and the team can invest in the surrounding ecosystem. For a single small webpage, plain JavaScript may be simpler. For a portable library or game-related workflow, a focused proof of concept is worth more than a broad feature comparison.