Module:ChapterList

Documentation for this module may be created at Module:ChapterList/doc

-- Module:ChapterList
-- Reads Template:ChapterList, parses {{Chapter|...}}, and renders a sortable table.
local p = {}

-- Helper: format ISO date YYYY-MM-DD → M/D/YY
local function formatDate(iso)
    local y, m, d = iso:match("^(%d%d%d%d)%-(%d%d)%-(%d%d)$")
    if not y then return iso end
    m = tonumber(m)
    d = tonumber(d)
    local yy = y:sub(3,4)
    return m .. "/" .. d .. "/" .. yy
end

function p.renderTable(frame)
    -- Load raw wikitext of Template:ChapterList
    local tpl = mw.title.new('Template:ChapterList')
    local raw = tpl and tpl:getContent() or ''

    -- Parse each {{Chapter|...}} line
    local chapters = {}
    for line in raw:gmatch('[^\r\n]+') do
        local trimmed = mw.text.trim(line)
        if trimmed:find('^{{Chapter') then
            -- strip leading '{{Chapter' and trailing '}}'
            local inner = trimmed:match('^{{Chapter%s*(.+)}}$') or ''
            -- remove possible leading '|'
            if inner:sub(1,1) == '|' then inner = inner:sub(2) end
            -- split into key=value params
            local params = {}
            for part in inner:gmatch('[^|]+') do
                local k, v = part:match('^(%w+)%s*=%s*(.+)$')
                if k and v then params[k] = v end
            end
            if params.number and params.title and params.date then
                table.insert(chapters, {
                    number = params.number,
                    title  = params.title,
                    date   = params.date
                })
            end
        end
    end

    -- Build wikitable
    local out = {}
    table.insert(out, '{| class="wikitable sortable"')
    table.insert(out, '! #')
    table.insert(out, '! Title')
    table.insert(out, '! Published')

    for _, ch in ipairs(chapters) do
        local isInter = ch.number:find('%.')
        local dispNum = isInter and '' or ch.number
        local dispTitle = isInter
            and ('Intermission: [[' .. ch.title .. ']]')
            or ('[[' .. ch.title .. ']]')
        local dispDate = formatDate(ch.date)
        table.insert(out, '|-')
        table.insert(out, '| ' .. dispNum .. ' || ' .. dispTitle .. ' || ' .. dispDate)
    end

    table.insert(out, '|}')
    return table.concat(out, '\n')
end

return p