Module:User error

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

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-- A less intimidating version of the built-in "error()" function, to help
-- editors fix their mistakes when transcluding a template.
--
-- @see [[wikia:w:c:Dev:Module:User error]] for a similar module.
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local checkType = require("libraryUtil").checkType;

return function (message, ...)
        checkType("Module:User error", 1, message, "string");

        local result = mw.text.tag(
                "strong",
                { class="error" },
                "Error: " .. message
        );

        local categories = {};
        for i = 1, select("#", ...) do
                local category = select(i, ...);
                checkType("Module:User error", 1 + i, category, "string", true);

                if (category and category ~= "") then
                        table.insert(categories, "[[Category:" .. category .. "]]");
                end
        end

        return result .. table.concat(categories);
end;