Make sure that project does not hang in case of errors

Author: romanowski

scala3doc/src/dotty/dokka/Scala3docArgs.scala

@@ -76,7 +76,7 @@ object Scala3docArgs:
     )
 
     def defaultDest(): File =
-      report.error("Destenation is missing, please provide '-d' parameter poitning to director here docs should be created")
+      report.error("Destenation is missing, please provide '-d' parameter pointing to directory here docs should be created")
       File("output")
 
     val parseSyntax = syntax.nonDefault.fold(CommentSyntax.default){ str =>

scala3doc/src/dotty/dokka/site/StaticSiteLocationProvider.scala

@@ -13,7 +13,15 @@ import scala.collection.JavaConverters._
 
 class StaticSiteLocationProviderFactory(private val ctx: DokkaContext) extends LocationProviderFactory:
   override def getLocationProvider(pageNode: RootPageNode): LocationProvider =
-    new StaticSiteLocationProvider(ctx, pageNode)
+    try new StaticSiteLocationProvider(ctx, pageNode)
+    catch 
+      case e: Error =>
+        // TODO (https://github.com/lampepfl/scala3doc/issues/238) error handling
+        e.printStackTrace()
+        // We encounter bug in Kotlin coroutines (race) when this method throws exception
+        // In such case we want to return null to trigger NPE in other piece of code to fail properly coroutine context
+        // Making generated DRIs not-unique will reproduce this behavior 
+        null
 
 class StaticSiteLocationProvider(ctx: DokkaContext, pageNode: RootPageNode)
   extends DokkaLocationProvider(pageNode, ctx, ".html"):