Directives
using directives
Benchmarking options
Add benchmarking options
//> using jmh value
//> using jmhVersion value
Examples
//> using jmhVersion 1.37
BuildInfo
Generate BuildInfo for project
//> using buildInfo
Examples
//> using buildInfo
Compiler options
Add Scala compiler options
//> using option option
//> using options option1 option2 …
Examples
//> using option -Xasync
//> using test.option -Xasync
//> using options -Xasync -Xfatal-warnings
Compiler plugins
Adds compiler plugins
using plugin org:name:ver
Examples
//> using plugin org.typelevel:::kind-projector:0.13.2
Compute Version
Method used to compute the version for BuildInfo
//> using computeVersion method
Examples
//> using computeVersion git
//> using computeVersion git:tag
//> using computeVersion git:dynver
Custom JAR
Manually add JAR(s) to the class path
//> using jar path
//> using jars path1 path2 …
Examples
//> using jar /Users/alexandre/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/com/chuusai/shapeless_2.13/2.3.7/shapeless_2.13-2.3.7.jar
//> using test.jar /Users/alexandre/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/com/chuusai/shapeless_2.13/2.3.7/shapeless_2.13-2.3.7.jar
//> using sourceJar /path/to/custom-jar-sources.jar
//> using sourceJars /path/to/custom-jar-sources.jar /path/to/another-jar-sources.jar
//> using test.sourceJar /path/to/test-custom-jar-sources.jar
Custom sources
Manually add sources to the project. Does not support chaining, sources are added only once, not recursively.
//> using file path
//> using files path1 path2 …
Examples
//> using file utils.scala
Dependency
Add dependencies
//> using dep org:name:ver
Examples
//> using dep com.lihaoyi::os-lib:0.9.1
//> using test.dep org.scalatest::scalatest:3.2.10
//> using test.dep org.scalameta::munit:0.7.29
//> using dep "tabby:tabby:0.2.3,url=https://github.com/bjornregnell/tabby/releases/download/v0.2.3/tabby_3-0.2.3.jar"
Exclude sources
Exclude sources from the project
//> using exclude pattern
//> using exclude pattern1 pattern2 …
Examples
//> using exclude utils.scala
//> using exclude "examples/*" "*/resources/*"
//> using exclude "*.sc"
JVM version
Use a specific JVM, such as 14, adopt:11, or graalvm:21, or system. scala-cli uses coursier to fetch JVMs, so you can use cs java --available to list the available JVMs.
//> using jvm value
Examples
//> using jvm 11
//> using jvm adopt:11
//> using jvm graalvm:21
Java home
Sets Java home used to run your application or tests
//> using javaHome path
Examples
//> using javaHome /Users/Me/jdks/11
Java options
Add Java options which will be passed when running an application.
//> using javaOpt options
Examples
//> using javaOpt -Xmx2g, -Dsomething=a
//> using test.javaOpt -Dsomething=a
Java properties
Add Java properties
//> using javaProp key=value
//> using javaProp key
Examples
//> using javaProp foo1=bar, foo2
//> using test.javaProp foo3=bar foo4
Javac options
Add Javac options which will be passed when compiling sources.
//> using javacOpt options
Examples
//> using javacOpt -source 1.8 -target 1.8
//> using test.javacOpt -source 1.8 -target 1.8
Main class
Specify default main class
//> using mainClass main-class
Examples
//> using mainClass HelloWorld
ObjectWrapper
Set the default code wrapper for scripts to object wrapper
//> using objectWrapper
Examples
//> using objectWrapper
Packaging
Set parameters for packaging
//> using packaging.packageType package-type
//> using packaging.output destination-path
Examples
//> using packaging.packageType assembly
//> using packaging.output foo
//> using packaging.provided org.apache.spark::spark-sql
//> using packaging.dockerFrom openjdk:11
//> using packaging.graalvmArgs --no-fallback
Platform
Set the default platform to Scala.js or Scala Native
//> using platform (jvm|scala-js|js|scala-native|native)+
Examples
//> using platform scala-js
//> using platform jvm scala-native
Publish
Set parameters for publishing
//> using publish.organization value
//> using publish.name value
//> using publish.version value
Examples
//> using publish.organization io.github.myself
//> using publish.name my-library
//> using publish.version 0.1.1
Publish (CI)
Set CI parameters for publishing
//> using publish.ci.computeVersion value
//> using publish.ci.repository value
//> using publish.ci.secretKey value
Examples
//> using publish.ci.computeVersion git:tag
//> using publish.ci.repository central-s01
//> using publish.ci.secretKey env:PUBLISH_SECRET_KEY
Publish (contextual)
Set contextual parameters for publishing
//> using publish.computeVersion value
//> using publish.repository value
//> using publish.secretKey value
//> using publish.doc boolean
Examples
//> using publish.computeVersion git:tag
//> using publish.repository central-s01
//> using publish.secretKey env:PUBLISH_SECRET_KEY
//> using publish.doc false
Python
Enable Python support
//> using python
Examples
//> using python
Repository
Add repositories for dependency resolution.
Accepts predefined repositories supported by Coursier (like sonatype:snapshots or m2Local) or a URL of the root of Maven repository
//> using repository repository
Examples
//> using repository jitpack
//> using repository sonatype:snapshots
//> using repository m2Local
//> using repository https://maven-central.storage-download.googleapis.com/maven2
Resource directories
Manually add a resource directory to the class path
//> using resourceDir path
//> using resourceDirs path1 path2 …
Examples
//> using resourceDir ./resources
//> using test.resourceDir ./resources
Scala Native options
Add Scala Native options
//> using nativeGc value
//> using nativeMode value
//> using nativeLto value
//> using nativeVersion value
//> using nativeCompile value1 value2 …
//> using nativeLinking value1 value2 …
//> using nativeClang value
//> using nativeClangPP value
//> using nativeEmbedResources true|false
//> using nativeTarget application|library-dynamic|library-static
Examples
//> using nativeVersion 0.4.0
Scala version
Set the default Scala version
//> using scala version+
Examples
//> using scala 3.0.2
//> using scala 2.13
//> using scala 2
//> using scala 2.13.6, 2.12.16
Scala.js options
Add Scala.js options
//> using jsVersion value
//> using jsMode value
//> using jsNoOpt true|false
//> using jsModuleKind value
//> using jsSmallModuleForPackage value1 value2 …
//> using jsCheckIr true|false
//> using jsEmitSourceMaps true|false
//> using jsDom true|false
//> using jsHeader value
//> using jsAllowBigIntsForLongs true|false
//> using jsAvoidClasses true|false
//> using jsAvoidLetsAndConsts true|false
//> using jsModuleSplitStyleStr value
//> using jsEsVersionStr value
//> using jsEmitWasm true|false
//> using jsEsModuleImportMap value
Examples
//> using jsModuleKind common
Test framework
Set the test framework
//> using testFramework class-name
Examples
//> using testFramework utest.runner.Framework
Toolkit
Use a toolkit as dependency (not supported in Scala 2.12), 'default' version for Scala toolkit: 0.5.0, 'default' version for typelevel toolkit: 0.1.27
//> using toolkit version
Examples
//> using toolkit 0.1.0
//> using toolkit default
//> using test.toolkit default
target directives
Platform
Require a Scala platform for the current file
//> using target.platform platform
Examples
//> using target.platform scala-js
//> using target.platform scala-js, scala-native
//> using target.platform jvm
Scala version
Require a Scala version for the current file
//> using target.scala version
Examples
//> using target.scala 3
Scala version bounds
Require a Scala version for the current file
//> using target.scala.>= version
Examples
//> using target.scala.>= 2.13
//> using target.scala.< 3.0.2
Scope
Require a scope for the current file
//> using target.scope scope
Examples
//> using target.scope test