Add warnOnNonMainThreadDetected configuration to IOApp

diogocanut · Sep 8, 2023 · be646e0 · be646e0
1 parent d2759d5
commit be646e0
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/core/jvm/src/main/scala/cats/effect/IOApp.scala b/core/jvm/src/main/scala/cats/effect/IOApp.scala
@@ -334,12 +334,13 @@ trait IOApp {
    * isn't the main process thread. This condition can happen when we are running inside of an
    * `sbt run` with `fork := false`
    */
+  def warnOnNonMainThreadDetected: Boolean =
+    Option(System.getProperty("cats.effect.warnOnNonMainThreadDetected"))
+      .map(_.equalsIgnoreCase("true"))
+      .getOrElse(true)
+
   private def onNonMainThreadDetected(): Unit = {
-    val shouldPrint =
-      Option(System.getProperty("cats.effect.warnOnNonMainThreadDetected"))
-        .map(_.equalsIgnoreCase("true"))
-        .getOrElse(true)
-    if (shouldPrint)
+    if (warnOnNonMainThreadDetected)
       System
         .err
         .println(