Add MaxWidthResponsive.lua for image width handling

Author: Bapham12

Other/MaxWidthResponsive.lua

@@ -0,0 +1,25 @@
+local p = {}
+
+function p.main(frame)
+	local result = ""
+	local title =  mw.title.new(mw.text.trim(frame.args[1]), 6)
+	
+	if (title ~= nil and title.fileExists) then
+		local image = title.file
+		local w = image.width
+		local h = image.height
+		local maxWidth = 430 * (w / h)
+	
+		-- Nếu chiều cao > chiều rộng (w/h < 1) thì cung cấp max-width
+		-- để max-height luôn đạt 430px
+		if (w/h < 1) then
+			result = "max-width: " .. maxWidth .. "px;"
+		else
+			result = "max-width: 430px;"
+		end
+	end
+	
+	return result
+end
+
+return p