Enable Scalafix.

.github/workflows/ci.yml

@@ -94,6 +94,10 @@ jobs:
         if: matrix.java == 'temurin@8' && matrix.os == 'ubuntu-latest'
         run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' headerCheckAll scalafmtCheckAll 'project /' scalafmtSbtCheck
 
+      - name: Check scalafix lints
+        if: matrix.java == 'temurin@8' && matrix.os == 'ubuntu-latest'
+        run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' 'scalafixAll --check'
+
       - name: scalaJSLink
         if: matrix.project == 'rootJS'
         run: sbt 'project ${{ matrix.project }}' '++ ${{ matrix.scala }}' Test/scalaJSLinkerResult

.scalafix.conf

@@ -0,0 +1,8 @@
+rules = [
+  LeakingImplicitClassVal,
+  NoValInForComprehension,
+  OrganizeImports,
+  RedundantSyntax
+]
+OrganizeImports.removeUnused = false
+OrganizeImports.groupedImports = AggressiveMerge

.scalafmt.conf

@@ -25,7 +25,6 @@ indent.extendSite = 4
 indent.main = 2
 maxColumn = 80
 project.git = true
-rewrite.imports.sort = original
 rewrite.rules = [Imports, RedundantBraces, RedundantParens, SortModifiers]
 rewrite.trailingCommas.style = always
 rewrite.redundantBraces.maxBreaks = 1

modules/core/src/main/scala/com/github/tarao/record4s/ArrayRecord.scala

@@ -23,6 +23,7 @@ package com.github.tarao.record4s
 
 import scala.deriving.Mirror
 import scala.language.dynamics
+
 import typing.ArrayRecord.{Aux, Concat, Lookup}
 import typing.Record.{Select, Unselect}
 import util.SeqOps.deduped

modules/core/src/main/scala/com/github/tarao/record4s/ArrayRecordMacros.scala

@@ -22,6 +22,7 @@
 package com.github.tarao.record4s
 
 import scala.annotation.nowarn
+
 import typing.ArrayRecord.{Concat, Lookup}
 import util.SeqOps.deduped
 

modules/core/src/main/scala/com/github/tarao/record4s/InternalMacros.scala

@@ -22,6 +22,7 @@
 package com.github.tarao.record4s
 
 import scala.annotation.tailrec
+
 import util.SeqOps.deduped
 
 private[record4s] class InternalMacros(using
@@ -315,7 +316,7 @@ private[record4s] class InternalMacros(using
         fieldTypeOf(labelExpr, valueExpr)
 
       case expr =>
-        errorAndAbort(s"Invalid field", Some(expr))
+        errorAndAbort("Invalid field", Some(expr))
     }
   }
 

modules/core/src/main/scala/com/github/tarao/record4s/Macros.scala

@@ -22,6 +22,7 @@
 package com.github.tarao.record4s
 
 import scala.annotation.nowarn
+
 import typing.Record.{Concat, Lookup, Select, Unselect}
 
 @nowarn("msg=unused local")

modules/core/src/main/scala/com/github/tarao/record4s/Selector.scala

@@ -23,6 +23,7 @@ package com.github.tarao.record4s
 
 import scala.compiletime.requireConst
 import scala.language.dynamics
+
 import typing.Record.Select
 
 final class Selector[T <: Tuple](val labels: Seq[String] = Seq.empty)

modules/core/src/main/scala/com/github/tarao/record4s/typing/ArrayRecord.scala

@@ -66,6 +66,6 @@ object ArrayRecord {
     }
 
     transparent inline given [R, L <: String]: Lookup[R, L] =
-      ${ ArrayRecordMacros.derivedTypingLookupImpl[R, L] }
+      ${ ArrayRecordMacros.derivedTypingLookupImpl }
   }
 }

modules/core/src/test/scala/com/github/tarao/record4s/TypeErrorSpec.scala

@@ -21,7 +21,7 @@
 
 package com.github.tarao.record4s
 
-import scala.compiletime.testing.{typeCheckErrors, Error, ErrorKind}
+import scala.compiletime.testing.{Error, ErrorKind, typeCheckErrors}
 
 class TypeErrorSpec extends helper.UnitSpec {
   describe("Typing %") {

modules/core/src/test/scala/helper/StaticTypeMatcher.scala

@@ -21,12 +21,13 @@
 
 package helper
 
-import scala.compiletime.summonInline
 import org.scalatest.matchers.dsl.{
   ResultOfATypeInvocation,
   ResultOfAnTypeInvocation,
 }
 
+import scala.compiletime.summonInline
+
 trait StaticTypeMatcher {
   extension [T1](anything: T1) {
     inline def shouldStaticallyBe[T2](r: ResultOfATypeInvocation[T2]): Unit = {

modules/core/src/test/scala/helper/UnitSpec.scala

@@ -21,11 +21,8 @@
 
 package helper
 
-import org.scalatest.Inside
-import org.scalatest.Inspectors
-import org.scalatest.OptionValues
 import org.scalatest.funspec.AnyFunSpec
-import org.scalatest.matchers
+import org.scalatest.{Inside, Inspectors, OptionValues, matchers}
 
 abstract class UnitSpec
     extends AnyFunSpec

project/plugins.sbt

@@ -1,4 +1,5 @@
-addSbtPlugin("pl.project13.scala" % "sbt-jmh"          % "0.4.6")
-addSbtPlugin("org.typelevel"      % "sbt-typelevel"    % "0.6.1")
-addSbtPlugin("org.scala-js"       % "sbt-scalajs"      % "1.14.0")
-addSbtPlugin("org.scala-native"   % "sbt-scala-native" % "0.4.16")
+addSbtPlugin("pl.project13.scala" % "sbt-jmh"                % "0.4.6")
+addSbtPlugin("org.typelevel"      % "sbt-typelevel"          % "0.6.1")
+addSbtPlugin("org.typelevel"      % "sbt-typelevel-scalafix" % "0.6.1")
+addSbtPlugin("org.scala-js"       % "sbt-scalajs"            % "1.14.0")
+addSbtPlugin("org.scala-native"   % "sbt-scala-native"       % "0.4.16")