Module:Navigation

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

local p = {}

local function renderThumb(row)
    local caption, img, target = row[1], row[2], row[3]

    local html = mw.html.create()
    html:tag('div')
        :tag('div'):attr('data-bg', img):wikitext(string.format([[%s|%s]], target, caption)):done()
        :tag('div'):wikitext(string.format([[%s|%s]], target, caption)):done()
    :done()

    return tostring(html)
end

-- main entry point
function p.thumbwall(frame)
    local args   = frame:getParent().args
    local title  = args[1] or 'Navigate'
    local thumbs = {}

    for i = 2, #args do
        if args[i] and args[i] ~= '' then
            table.insert(thumbs, args[i])
        end
    end

    -- split each line into img|caption|target (target optional)
    local thumbTable = {}
    for _, line in ipairs(thumbs) do
        local img, caption, target = line:match("^%s*(.-)%s*;%s*(.-)%s*$")
        if not target then target = caption end   -- fallback when only 2 parts
        if img and caption then
            table.insert(thumbTable, {caption, img, target})
        end
    end

    local wallContent = ''
    for _, row in ipairs(thumbTable) do
        wallContent = wallContent .. renderThumb(row)
    end

    local html = mw.html.create()
    html:tag('div'):addClass('card bg-dark thumbwall')
        :tag('div'):addClass('card-header'):wikitext(title):done()
        :tag('div'):addClass('card-body'):wikitext(wallContent):done()
    :done()

    return tostring(html)   -- ← convert to string
end

return p