Some cleaning

src/caches.lua

@@ -2,7 +2,7 @@ local replacements = {fuel = {}}
 local http = ...
 
 IMPORT("maxn", "copy", "insert", "sort", "match", "sub")
-IMPORT("true_str", "is_table", "valid_item", "table_merge", "table_replace", "rcp_eq")
+IMPORT("true_str", "is_table", "valid_item", "table_merge", "table_replace", "table_eq")
 IMPORT("fmt", "reg_items", "reg_aliases", "reg_nodes", "is_cube", "get_cube", "ItemStack")
 IMPORT("is_group", "extract_groups", "item_has_groups", "groups_to_items", "get_group_stereotype")
 
@@ -248,11 +248,7 @@ local old_clear_craft = core.clear_craft
 core.clear_craft = function(def)
 	old_clear_craft(def)
 
-	if true_str(def) then
-		return -- TODO
-	elseif is_table(def) then
-		return -- TODO
-	end
+	-- TODO: hide in crafting guide
 end
 
 local function resolve_aliases(hash)
@@ -274,7 +270,7 @@ local function resolve_aliases(hash)
 					local rcp_new = copy(i3.recipes_cache[newname][j])
 					      rcp_new.output = oldname
 
-					if rcp_eq(rcp_old, rcp_new) then
+					if table_eq(rcp_old, rcp_new) then
 						similar = true
 						break
 					end

src/common.lua

@@ -216,18 +216,22 @@ local function array_diff(t1, t2)
 	return diff
 end
 
-local function rcp_eq(rcp, rcp2)
-	if rcp.type   ~= rcp2.type   then return end
-	if rcp.width  ~= rcp2.width  then return end
-	if #rcp.items ~= #rcp2.items then return end
-	if rcp.output ~= rcp2.output then return end
+local function table_eq(t1, t2)
+	local ty1, ty2 = type(t1), type(t2)
+	if ty1 ~= ty2 then return end
 
-	for i, item in pairs(rcp.items) do
-		if item ~= rcp2.items[i] then return end
+	if ty1 ~= "table" and ty2 ~= "table" then
+		return t1 == t2
 	end
 
-	for i, item in pairs(rcp2.items) do
-		if item ~= rcp.items[i] then return end
+	for k, v in pairs(t1) do
+		local v2 = t2[k]
+		if v2 == nil or not table_eq(v, v2) then return end
+	end
+
+	for k, v in pairs(t2) do
+		local v1 = t1[k]
+		if v1 == nil or not table_eq(v1, v) then return end
 	end
 
 	return true
@@ -764,7 +768,7 @@ local _ = {
 	is_table = is_table,
 	table_merge = table_merge,
 	table_replace = table_replace,
-	rcp_eq = rcp_eq,
+	table_eq = table_eq,
 	array_diff = array_diff,
 
 	-- Math