Make a new FILE API and add a simple error screen in case most thing went down

modules/file.lua

@@ -0,0 +1,41 @@
+local FILE = {}
+local binser = require "libs.binser"
+local bitser = require "libs.bitser"
+
+local serializer_used
+
+function FILE.serialize(data)
+    if serializer_used == 'bitser' then
+        return bitser.dumps(data)
+    else
+        return binser.serialize(data)
+    end
+end
+
+function FILE.deserialize(data)
+    if serializer_used == 'bitser' then
+        return bitser.loads(data)
+    else
+        return binser.deserialize(data)[1]
+    end
+end
+
+function FILE.read(path)
+    if love.filesystem.getInfo(path) then
+        return FILE.deserialize(love.filesystem.read(path))
+    else
+        error("No file: "..path)
+    end
+end
+
+function FILE.write(path, data)
+    love.filesystem.write(path, FILE.serialize(data))
+end
+
+---@param lib_name 'bitser'|'binser'
+---Init the FILE module with chosen serializer
+return function(lib_name)
+    assert(lib_name == 'bitser' or lib_name == 'binser', '[lib_name] must be "bitser" or "binser"')
+    serializer_used = lib_name
+    _G.FILE = FILE
+end