sbt-teavm

sbt plugin for TeaVM.

Generate JavaScript and WebAssembly from Java bytecode.

setup

require

• install JDK 11 or later
• sbt

optional

• wasmtime for run WebAssembly(WASI)
• Node.js and Chrome for run WebAssembly and JavaScript

install

project/plugins.sbt

addSbtPlugin("io.github.sbt-teavm" % "sbt-teavm" % version)

build.sbt

note: Maybe Scala 3 does not work due to default lazy val implementation use sun.misc.Unsafe

konsoletyper/teavm#1117

scalaVersion := // recommend 2.13.x

enablePlugins(SbtTeaVM)

usage

basic sbt tasks

build

• teavmJS: build js
• teavmWasm: build WebAssembly (for web browser)
• teavmWasi: build WebAssembly (WASI)
• teavmC: build C (native)

run

• teavmJS/run <args>: require Node.js and Chrome
• teavmWasm/run <args>: require Node.js and Chrome
• teavmWasi/run <args>: require wasmtime

runMain

• teavmJS/runMain
• teavmWasm/runMain
• teavmWasi/runMain