Define Newlines.BeforeCurlyLambdaParams.multiline

scalameta · Sep 11, 2020 · f135eb8 · f135eb8
1 parent 57790d9
commit f135eb8
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diff --git a/scalafmt-core/shared/src/main/scala/org/scalafmt/config/Newlines.scala b/scalafmt-core/shared/src/main/scala/org/scalafmt/config/Newlines.scala
@@ -328,11 +328,13 @@ object Newlines {
   object BeforeCurlyLambdaParams {
     case object always extends BeforeCurlyLambdaParams
     case object never extends BeforeCurlyLambdaParams
+    case object multiline extends BeforeCurlyLambdaParams
     case object multilineWithCaseOnly extends BeforeCurlyLambdaParams
     implicit val codec: ConfCodec[BeforeCurlyLambdaParams] =
       ReaderUtil.oneOfCustom[BeforeCurlyLambdaParams](
         never,
         always,
+        multiline,
         multilineWithCaseOnly
       ) {
         case Conf.Bool(true) => Configured.Ok(always)

diff --git a/scalafmt-tests/src/test/resources/unit/Lambda.stat b/scalafmt-tests/src/test/resources/unit/Lambda.stat
@@ -239,3 +239,32 @@ object a {
       s"$c -> $i"
   }
 }
+<<< ONLY #2099 beforeCurlyLambdaParams = multiline
+newlines.beforeCurlyLambdaParams = multiline
+===
+object a {
+  x.map { x => s"${x._1} -> ${x._2}" }
+  x.map { case (c, i) => s"$c -> $i" }
+  x.zipWithIndex.map { x => s"${x._1} -> ${x._2}" }
+  x.zipWithIndex.map { case (c, i) => s"$c -> $i" }
+  x.zipWithIndex.map { case (c, i) => s"$c -> $i (long comment)" }
+  x.zipWithIndex.map { case (c, i) if c != i => s"$c -> $i" }
+}
+>>>
+object a {
+  x.map { x => s"${x._1} -> ${x._2}" }
+  x.map { case (c, i) => s"$c -> $i" }
+  x.zipWithIndex.map { x =>
+    s"${x._1} -> ${x._2}"
+  }
+  x.zipWithIndex.map { case (c, i) =>
+    s"$c -> $i"
+  }
+  x.zipWithIndex.map { case (c, i) =>
+    s"$c -> $i (long comment)"
+  }
+  x.zipWithIndex.map {
+    case (c, i) if c != i =>
+      s"$c -> $i"
+  }
+}