Module:Hatnote list

Hatnote lists for some of the Hatnote templates.

---

local p = {}

function p.render(frame)
    -- Get parent template (source of the numeric link arguments)
    local parent = frame:getParent()
    if not parent then
        return "<strong class='error'>Error: No parent frame (preview mode)</strong>"
    end

    -- Collect link arguments from the template
    local args = {}
    for i = 1, 100 do
        local v = parent.args[i]
        if not v then break end
        v = mw.text.trim(v)
        if v ~= "" then
            table.insert(args, v)
        end
    end
    if #args == 0 then return "" end

    -- Build wiki links
    local links = {}
    for _, page in ipairs(args) do
        table.insert(links, "[[" .. page .. "]]")
    end

    -- Format list with commas and 'and'
    local listText
    if #links == 1 then
        listText = links[1]
    else
        listText = table.concat(links, ", ", 1, #links - 1) .. " and " .. links[#links]
    end

    -- Optional pretext from the #invoke call
    local pretext = frame.args["pretext"]
    if not pretext or mw.text.trim(pretext) == "" then
        pretext = "Further information:"
    end

    -- Wrap in Hatnote
    return frame:expandTemplate{
        title = "Hatnote",
        args = { ["text"] = pretext .. " " .. listText }
    }
end

return p