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Similar to enum entry initialization, when we have a companion object in an interface, its constructor (or clinit) initializes its state before the instance field in corresponding interface is initialized. So, interface companion object must be accessed via a captured object reference (#0, or #0.this$0 for inner anonymous objects).
JavaScript Translation
This module performs the translation of Kotlin source code to JavaScript.
There are various Kotlin APIs to JavaScript environments and libraries in the js.libraries project.
Compiling the Kotlin Standard Library for JavaScript
The Kotlin Standard Library for JS is built with gradle, see the corresponding module's ReadMe.
Reusing JVM based test cases in JavaScript
Any Kotlin test cases using the org.junit.Test annotation and the kotlin.test package, such as this test case are automatically converted to JavaScript using QUnit.
This allows the test cases to be run directly in a web page in any web browser.
Using the Kotlin Library in JavaScript
There is a simple sample which shows how to use the Kotlin Standard Library from inside JavaScript in a web page.
Contributing
We love contributions! The JavaScript translation could really use your help! If you fancy contributing:
- check the contributing section on general stuff like getting the code etc
- try fix one of the pending JavaScript translation issues