Module:Data: Difference between revisions

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>MusikAnimal
m (Protected Module:Data: Highly visible template ([Edit=Allow only template editors and admins] (indefinite) [Move=Allow only template editors and admins] (indefinite)))
 
>Jackmcbarn
(Improve error messages)
Line 4: Line 4:
return function(frame)
return function(frame)
local data = mw.loadData(k)
local data = mw.loadData(k)
local i = 1
for _,v in ipairs(frame.args) do
for _,v in ipairs(frame.args) do
local ty = type(data)
if ty ~= 'table' then
if frame.args.softfail then
return '<span class="error">[[Category:Pages with failed Module:Data lookups]]Error: Tried to read index "' .. mw.text.nowiki(v) .. '" of mw.loadData("' .. mw.text.nowiki(k) .. '").' .. mw.text.nowiki(table.concat(frame.args, '.', 1, i - 1)) .. ', which is a ' .. ty .. '</span>'
else
error('Tried to read index "' .. v .. '" of mw.loadData("' .. k .. '").' .. table.concat(frame.args, '.', 1, i - 1) .. ', which is a ' .. ty)
end
end
data = data[v]
data = data[v]
i = i + 1
end
end
return data
return data

Revision as of 20:34, 14 January 2021

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

local mt = {}

function mt.__index(t, k)
	return function(frame)
		local data = mw.loadData(k)
		local i = 1
		for _,v in ipairs(frame.args) do
			local ty = type(data)
			if ty ~= 'table' then
				if frame.args.softfail then
					return '<span class="error">[[Category:Pages with failed Module:Data lookups]]Error: Tried to read index "' .. mw.text.nowiki(v) .. '" of mw.loadData("' .. mw.text.nowiki(k) .. '").' .. mw.text.nowiki(table.concat(frame.args, '.', 1, i - 1)) .. ', which is a ' .. ty .. '</span>'
				else
					error('Tried to read index "' .. v .. '" of mw.loadData("' .. k .. '").' .. table.concat(frame.args, '.', 1, i - 1) .. ', which is a ' .. ty)
				end
			end
			data = data[v]
			i = i + 1
		end
		return data
	end
end

return setmetatable({}, mt)