查看“模块:Navplate SMW row”的源代码

-- Module:NavplateSMWRow
local p = {}
local mw = require('mw')

function p.navplateSmwRow(frame)
    local args = frame:getParent().args
    local category = args[1]
    local subcategory = args['Subcategory']
    local namespace = args['namespace']
    local text = args['text'] or args[3]
    local icon = args['icon']

    -- 使用缓存结果，减少查询
    local cacheKey = category .. (subcategory or '') .. (namespace or '') .. (text or '')
    if p.cache[cacheKey] then
        return p.cache[cacheKey]
    end

    -- 构建查询字符串
    local query = '[[Category:' .. category .. '|+depth=2]]'
    if subcategory then
        query = query .. '[[Category:' .. subcategory .. ']]'
    end
    if namespace then
        query = query .. '[[Category:' .. namespace .. ':+]]'
    else
        query = query .. '[[:+]]'
    end

    -- 执行查询
    local results = frame:extensionTag('ask', query .. '|sep=')

    -- 缓存查询结果
    p.cache[cacheKey] = results

    -- 格式化输出
    return mw.html.create('div')
             :addClass('template-navplate-item')
             :node(mw.html.create('div')
                     :addClass('template-navplate-item__label')
                     :wikitext(icon and '[[File:' .. icon .. '|20px|link=]]' or '')
                     :wikitext(text)
             )
             :node(mw.html.create('div')
                     :addClass('template-navplate-item__list')
                     :wikitext(results)
             )
             :allDone()
end

p.cache = {}
return p