Module:Sandbox/Gonnym/Script basic documentation

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require("strict")

--- @module
local p = {}

local function extractFontNames(text)
	local fontNames = {}
	for fonts in text:gmatch("font%-family:%s*([^;}]+);") do
		for font in fonts:gmatch("([^,]+)") do
			font = font:match("^%s*(.-)%s*$") -- Trim leading and trailing whitespace
			font = font:gsub('"', "") -- Remove double quotes
			font = font:gsub("'", "") -- Remove single quotes
			table.insert(fontNames, font)
		end
	end
	return fontNames
end

function p.main(frame)
	local page = mw.title.getCurrentTitle()
	local pageName = mw.ustring.lower(page.subpageText)
	local styles = "Template:Script/styles " .. pageName .. ".css"
	local text = mw.title.new(styles):getContent()

	if text then
		local fonts = extractFontNames(text)
		return table.concat(fonts, ", ")
	else
		extractFontNames(page:getContent())
		return table.concat(fonts, ", ")
	end
	return nil
end

return p