Module:Utils

Documentation for this module may be created at Module:Utils/doc

local utils = {}

function utils.expand(frame, title, ...)
	local args = {...}
	local templateArgs = {}
	
	for i, arg in ipairs(args) do
		if type(arg) == "string" and arg:match("^[^=]+=.+$") then
			local key, value = arg:match("^([^=]+)=(.+)$")
			templateArgs[key] = value
		else
			templateArgs[i] = tostring(arg)
		end
	end
	
	if frame.expandTemplate then
		return frame:expandTemplate{ title = title, args = templateArgs }
	else
		local argString = {}
		for i, arg in ipairs(args) do
			table.insert(argString, tostring(arg))
		end
		return string.format("{{%s|%s}}", title, table.concat(argString, "|"))
	end
end

function utils.round(n)
	local frac = math.abs(n) % 1
	if frac == 0 then return n end
	local zeros = tostring(frac):match("%.(0*)") or ""
	local places = #zeros + 2
	local factor = 10 ^ places
	local sign = n < 0 and -1 or 1
	return math.floor(n * factor + 0.5) / factor
end

function utils.isAnimated(frame, filename)
	if not frame.preprocess then
		return true
	end
	local content = frame:preprocess('{{:File:' .. filename .. '}}')
	return content:find('Category:Animated images') ~= nil
end

return utils