Re:The Kotlin Foundation
by ofrzeta on Saturday February 13, 2021 @02:18PM
(#26125927)
vert.x has unfortunately reduced the support of JVM languages to Java, Kotlin and Groovy. No longer any Scala support, also no support of Javascript.
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Scala support is still being finished, however the project team decide to go ahead releasing 4.0.0 at the beginning of the year avoiding the block until the Scala support work was complete. You can follow its development on GitHub or the official Discord server.
Thanks for the info. While checking out vert.x 4.0 I had a hard time figuring out language support from the release notes and blog posts.
JavaScript's support has been moved to the reactiverse project. It's an incubation like project for projects that aren't fully 1.0.0 yet. In there you will find https://reactiverse.io/es4x/, the EcmaScript support For Vert.x. It's a new approach of using vert.x with GraalVM to provide modern ES language features such as ES12, instead of the old Nashorn ES5.1.
It also changes the development workflow from a maven-based project to a NPM-based project which should be more familiar to JavaScript developers.