编辑“︁Module:Extract”︁

local p = {}

function p.extractLead(page, sentences)
    sentences = tonumber(sentences) or 2
    local title = mw.title.new(page)
    if not title or not title.exists then
        return ""
    end

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

    local pages = result.query and result.query.pages
    if not pages then
        return ""
    end

    for _, v in pairs(pages) do
        return v.extract or ""
    end

    return ""
end

return p