模块:Utils

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local Self = {}

function Self.LazyLoad(moduleName, toLowerCase)
	toLowerCase = toLowerCase or false
    local loaded = nil

    local function doLoad()
        if loaded == nil then
            loaded = mw.loadData(moduleName)
            if toLowerCase then
                local lowerCaseLoaded = {}
                for key, value in pairs(loaded) do
                    lowerCaseLoaded[string.lower(key)] = value
                end
                loaded = lowerCaseLoaded
            end
        end
        return loaded
    end

    local meta = {}
    meta.__index = function(_table, key)
        return doLoad()[key]
    end
    meta.__pairs = function(_table)
        return pairs(doLoad())
    end
    meta.__ipairs = function(_table)
        return ipairs(doLoad())
    end

    local ret = {}
    setmetatable(ret, meta)
    return ret
end

function Self.ExpandTemplate(title, args)
    return mw.getCurrentFrame():expandTemplate{
        title = title,
        args = args
    }
end

return Self