Coding style updates.

worldedit/manipulations.lua

@@ -25,11 +25,8 @@ end
 
 --sets a region defined by positions `pos1` and `pos2` to `nodename`, returning the number of nodes filled
 worldedit.set = function(pos1, pos2, nodenames)
-    local oneNode
-    if type(nodenames) == 'string' then
-        oneNode = true
-    else
-        oneNode = false
+	if type(nodenames) == "string" then
+		nodenames = {nodenames}
 	end
 
 	local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
@@ -51,7 +48,7 @@ worldedit.set = function(pos1, pos2, nodenames)
 	for i,v in ipairs(nodenames) do
 		node_ids[i] = minetest.get_content_id(nodenames[i])
 	end
-	if oneNode then --only one type of node
+	if #node_ids then --only one type of node
 		local id = node_ids
 		for i in area:iterp(pos1, pos2) do nodes[i] = id end --fill area with node
 	else --several types of nodes specified