查看“︁模块:StringUtils”︁的源代码

local p = {}

function p.split_or_empty(value, sep)
    if value and #value > 0 then
        return mw.text.split(value, sep)
    else
        return {}
    end
end

function p.split(s, sep)
    return mw.text.split(s, sep)
end

function p.join(l, sep)
    return mw.text.listToText(l, sep, sep)
end

function p.assert_not_empty(s)
    if s and #s == 0 then
        return nil
    else
        return s
    end
end

return p