Some fixes

etc/compress.lua

@@ -31,11 +31,31 @@ local to_compress = {
 		by = {"lava", "river_water", "water"}
 	},
 
+	["butterflies:butterfly_white"] = {
+		replace = "white",
+		by = {"red", "violet"}
+	},
+
 	["default:wood"] = {
 		replace = "wood",
 		by = wood_types,
 	},
 
+	["default:tree"] = {
+		replace = "tree",
+		by = {"acacia_tree", "aspen_tree", "jungletree", "pine_tree"},
+	},
+
+	["default:grass_1"] = {
+		replace = "grass_1",
+		by = {"dry_grass_1", "junglegrass", "marram_grass_1", "fern_1"},
+	},
+
+	["carts:rail"] = {
+		replace = "rail",
+		by = {"brakerail", "powerrail"},
+	},
+
 	["default:sapling"] = {
 		replace = "sapling",
 		by = {
@@ -56,6 +76,11 @@ local to_compress = {
 		by = {"clay", "coal", "copper", "iron", "tin"}
 	},
 
+	["default:gold_ingot"] = {
+		replace = "gold_ingot",
+		by = {"bronze_ingot", "copper_ingot", "steel_ingot", "tin_ingot", "clay_brick"}
+	},
+
 	["default:leaves"] = {
 		replace = "leaves",
 		by = {
@@ -66,6 +91,8 @@ local to_compress = {
 			"blueberry_bush_leaves_with_berries",
 			"bush_leaves",
 			"jungleleaves",
+			"pine_bush_needles",
+			"pine_needles",
 		},
 	},
 
@@ -147,6 +174,11 @@ local to_compress = {
 		by = material_tools
 	},
 
+	["farming:hoe_steel"] = {
+		replace = "steel",
+		by = {"wood", "stone"}
+	},
+
 	["stairs:slab_wood"] = {
 		replace = "wood",
 		by = material_stairs
@@ -166,6 +198,11 @@ local to_compress = {
 		replace = "wood",
 		by = material_stairs
 	},
+
+	["walls:cobble"] = {
+		replace = "cobble",
+		by = {"desertcobble", "mossycobble"}
+	},
 }
 
 local compressed = {}
@@ -173,9 +210,8 @@ local compressed = {}
 for k, v in pairs(to_compress) do
 	compressed[k] = compressed[k] or {}
 
-	for _, str in ipairs(v.by) do		
-		local a, b = k:match("(.*):(.*)")
-		local it = fmt("%s:%s", a, b:gsub(v.replace, str))
+	for _, str in ipairs(v.by) do
+		local it = k:gsub(v.replace, str)
 		insert(compressed[k], it)
 	end
 end

init.lua

@@ -460,12 +460,12 @@ function i3.get_search_filters()
 	return search_filters
 end
 
-local function compression_active()
-	return item_compression and not next(recipe_filters)
+local function compression_active(data)
+	return item_compression and not next(recipe_filters) and data.filter == ""
 end
 
-local function compressible(item)
-	return compression_active() and compress_groups[item]
+local function compressible(item, data)
+	return compression_active(data) and compress_groups[item]
 end
 
 local function weird_desc(str)
@@ -1064,7 +1064,7 @@ local function select_item(player, name, data, _f)
 
 	if not item then return end
 
-	if compressible(item) then
+	if compressible(item, data) then
 		local idx
 
 		for i = 1, #data.items do
@@ -1662,7 +1662,7 @@ local function get_rcp_extra(player, fs, data, panel, is_recipe, is_usage)
 end
 
 local function get_items_fs(fs, data, extend)
-	if compression_active() then
+	if compression_active(data) then
 		local new = {}
 
 		for i = 1, #data.items do
@@ -1722,7 +1722,7 @@ local function get_items_fs(fs, data, extend)
 
 			fs[#fs + 1] = fmt("item_image_button", X, Y, size, size, name, item, "")
 
-			if compressible(item) then
+			if compressible(item, data) then
 				local expand = data.expand == name
 
 				fs(fmt("tooltip[%s;%s]", item, expand and ES"Click to hide" or ES"Click to expand"))