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diff --git a/docs/pages/2 - Configuring Mill.md b/docs/pages/2 - Configuring Mill.md index a229fa72..43191950 100644 --- a/docs/pages/2 - Configuring Mill.md +++ b/docs/pages/2 - Configuring Mill.md @@ -213,6 +213,28 @@ You can use Scala compiler plugins by setting `scalacPluginIvyDeps`. The above example also adds the plugin to `compileIvyDeps`, since that plugin's artifact is needed on the compilation classpath (though not at runtime). +## Reformatting your code + +Mill supports code formatting via [scalafmt](https://scalameta.org/scalafmt/) out of the box. + +To have a formatting per-module you need to make your module extend `mill.scalalib.scalafmt.ScalafmtModule`: + +```scala +// build.sc +import mill._ +import mill.scalalib._ +import mill.scalalib.scalafmt._ + +object foo extends ScalaModule with ScalafmtModule { + def scalaVersion = "2.12.4" +} +``` + +Now you can reformat code with `mill foo.reformat` command. + +You can also reformat your project's code globally with `mill mill.scalalib.scalafmt.ScalafmtModule/reformatAll __.sources` command. +It will reformat all sources that matches `__.sources` query. + ## Common Configuration ```scala |