Module:Extract

此模块的文档可以在Module:Extract/doc创建

local p = {}

function p.extractLead(frame)
    local page = frame.args[1]
    local sentences = tonumber(frame.args[2]) or 2

    if not page or page == "" then
        return ""
    end

    local title = mw.title.new(page)
    if not title or not title.exists then
        return ""
    end

    -- Scribunto 正确 API 用法
    local api = mw.api.new()

    local result = api:get({
        action = "query",
        prop = "extracts",
        exsentences = sentences,
        explaintext = true,
        titles = page
    })

    if not result
        or not result.query
        or not result.query.pages
    then
        return ""
    end

    for _, v in pairs(result.query.pages) do
        if v.extract and v.extract ~= "" then
            return v.extract
        end
    end

    return ""
end

return p