Filter out empty arrays before concatentating

^KT-40689 fixed
2021-01-08 04:27:30 +01:00
parent 31f5bcfaef
commit d71fa4831d
1 changed files with 5 additions and 3 deletions
@@ -242,10 +242,12 @@ fun argumentsWithVarargAsSingleArray(
        concatElements.add(JsArrayLiteral(arraysForConcat))
    }

-    return concatElements.singleOrNull()
+    val concatElementsResolved = concatElements.dropWhile { (it is JsArrayLiteral) && (it.expressions.isEmpty()) }
+
+    return concatElementsResolved.singleOrNull()
        ?: JsInvocation(
-            JsNameRef("concat", concatElements.first()),
-            concatElements.drop(1)
+            JsNameRef("concat", concatElementsResolved.first()),
+            concatElementsResolved.drop(1)
        )
 }