Module:Sandbox/imbushuo/BooleanSwitch

模块文档  

-- This module determines if a certain switch parameter
-- exists in template invocation parameters.

local p = {}

function p.boolMatch(frame)
    local matchArg = frame.args[1]

    if matchArg ~= nil then
        -- So we will iterate every parameters in the upper level.
        local parentPage = frame:getParent()

        for _, param in pairs(parentPage.args) do
            if param == matchArg then
                return true
            end
        end
    end

    -- Otherwise
    return false
end

return p