Module:Number of works

local p = {}

-- Table to store local cached results during this execution
local cache = {}

-- Function to get the number of works
function p.getWorkCount(frame)
    local category = frame.args.category or ''
    if category == '' then return "0 works" end

    -- Check if we already have the result for this category in local cache
    if cache[category] then
        return cache[category]
    end

    -- Perform the expensive call to get the number of pages in the category
    local pages = mw.site.stats.pagesInCategory(category)

    -- Format the result
    local result = ''
    if tonumber(pages) == 1 then
        result = "1 work"
    else
        result = pages .. " works"
    end

    -- Store the result in the local cache
    cache[category] = result

    return result
end

function p.main(frame)
    return p.getWorkCount(frame)
end

return p