Fixed non declared variables and an issue in the script

Author: mtancoigne

js/mapgen-methods.js

@@ -22,8 +22,8 @@ MapGen.prototype.createMap=function(xLength, yLength, passes, cleanLevel, wallPe
   if(sameSubCellPercent===undefined){sameSubCellPercent=this.sameSubCellPercent}
 
   // Buildable cell types:
-  alternateCellTypes=this._getBuildableTypes(true);
-  allCellTypes=this._getBuildableTypes(false);
+  var alternateCellTypes=this._getBuildableTypes(true);
+  var allCellTypes=this._getBuildableTypes(false);
 
   /*
   First pass
@@ -211,7 +211,7 @@ MapGen.prototype.createMapFromSample=function(sample){
 
 MapGen.prototype.addItems=function(itemsToCreate, avoidDeadlyAreas){
   //List cells
-  cells=this._getWalkableCells(avoidDeadlyAreas);
+  var cells=this._getWalkableCells(avoidDeadlyAreas);
   // placing items
   for(let i in itemsToCreate){
     do{

js_concatenator.sh

@@ -9,5 +9,7 @@
 #bash_version   :4.3.42(1)-release
 #============================================================================
 # As long as I don't get the JS builder around, i'll do this...
+echo '' > build.js
 cat js/mapgen.js js/mapgen-objects.js js/mapgen-privates.js js/mapgen-methods.js >> build.js
+echo '' > build-demo.js
 cat js/demo_base_objects.js js/demo_room_samples.js >>build-demo.js