handle document {} vs element

Author: paxtonhare

marklogic-data-hub/src/main/resources/ml-modules/root/com.marklogic.hub/lib/flow-lib.xqy

@@ -547,7 +547,10 @@ declare function flow:run-flow(
  : @param $map - a map with all the stuff in it
  : @return - the newly constructed envelope
  :)
-declare function flow:make-envelope($map as map:map, $data-format as xs:string)
+declare function flow:make-envelope(
+  $map as map:map,
+  $data-format as xs:string)
+  as document-node()
 {
   if ($data-format eq $JSON) then
     let $headers := fn:head((map:get($map, "headers"), json:array()))

marklogic-data-hub/src/main/resources/ml-modules/root/com.marklogic.hub/mlcp-flow-transform.xqy

@@ -52,13 +52,13 @@ declare function mlcpFlow:transform(
         if (trace:enabled()) then
           trace:plugin-trace(
             $uri,
-            if ($envelope instance of element()) then ()
+            if ($envelope/node() instance of element()) then ()
             else
               null-node {},
             "writer",
             $flow/hub:type,
             $envelope,
-            if ($envelope instance of element()) then ()
+            if ($envelope/node() instance of element()) then ()
             else
               null-node {},
             xs:dayTimeDuration("PT0S")