bugfix: the array was modified while iterating

Author: tkrause

lib/workers/api_use.js

@@ -80,8 +80,15 @@ function postProcess(parsedFiles, filenames, preProcess, packageInfos, source, t
 		        ]
                     );
 	        }
+                
+                //create a copy of the elements for save iterating of the elements
+                const blockClone = [...block.local[target]];
 
-                block.local[target].forEach(function(definition) {
+                // remove unneeded target before starting the loop, to allow a save insertion of new elements
+                // TODO: create a cleanup filter
+                delete block.local[target];
+
+                blockClone.forEach(function(definition) {
                     var name = definition.name;
                     var version = block.version || packageInfos.defaultVersion;
 
@@ -135,10 +142,6 @@ function postProcess(parsedFiles, filenames, preProcess, packageInfos, source, t
                         matchedData = preProcess[source][name][versionName];
                     }
 
-                    // remove target, not needed anymore
-                    // TODO: create a cleanup filter
-                    delete block.local[target];
-
                     // copy matched elements into parsed block
                     _recursiveMerge(block.local, matchedData);
                 });