Module:Singles

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This module implements the {{Singles}} template. Please see the template page for usage instructions.


local p = {}

-- Ripped from Module:Infobox. TODO: Make a utility module that can do this kind of thing
local function getArgNums(args, prefix)
    -- Returns a table containing the numbers of the arguments that exist
    -- for the specified prefix. For example, if the prefix was 'data', and
    -- 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
    local nums = {}
    for k, v in pairs(args) do
        local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
        if num then table.insert(nums, tonumber(num)) end
    end
    table.sort(nums)
    return nums
end

function p.main(frame)
	local args = require('Module:Arguments').getArgs(frame, {wrappers = 'Template:Singles'})
	local out = [=[<tr style="text-align:center;">
  <th style="background:]=] .. frame:expandTemplate{title = 'Infobox album/color', args = {args.Type}} .. [=[;" colspan="3">[[Single (music)|Singles]] from '']=] .. (args.Name or mw.title.getCurrentTitle().prefixedText) .. [=[''</th>
</tr>
<tr style="text-align:left; vertical-align:top; line-height:11px;">
  <td colspan="3">]=]
	local nums = getArgNums(args, '[Ss]ingle ')
	for _, num in ipairs(nums) do
		out = out .. '\n# <span class="item"><span class="fn">"' .. (args['Single ' .. num] or args['single ' .. num]) .. '"</span>'
		local date = args['Single ' .. num .. ' date'] or args['single ' .. num .. ' date']
		if date then
			out = out .. '<br />Released: ' .. date
		end
		out = out .. '</span>'
	end
	out = out .. [=[</td>
</tr>]=]
	return out
end

return p