Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

Jump to content

Module:NYCS header

From Wikipedia, the free encyclopedia

local getArgs = require('Module:Arguments').getArgs
local p = {}

-- Helper: normalize the |bullets= parameter
local function makeBullets(frame, val)
	-- Nothing passed
	if not val or val == '' then
		return ''
	end

	-- If user already passed a template, leave it alone
	-- e.g. "{{NYCS Brighton|time=bullets}}"
	if val:find('{{', 1, true) then
		return val
	end

	-- Otherwise, wrap as {{NYCS [val]|time=bullets}}
	return frame:expandTemplate{
		title = 'NYCS ' .. val,
		args  = { time = 'bullets' }
	}
end

function p.main(frame)
  -- ===== ARGUMENTS =====
  local args = getArgs(frame, { parentOnly = true })

  local name        = args.name or mw.title.getCurrentTitle().text
  local bullets_raw = args.bullets
  local bullets     = makeBullets(frame, bullets_raw)
  local size        = tonumber(args.size) or 1

  -- ===== TUNABLE DEFAULTS =====
  -- Typography & spacing
  local title_pct     = tonumber(args.title_pct)     or 132  -- title size (% of base)
  local pad_em        = tonumber(args.pad_em)        or 0.38 -- single left gutter (em)
  local right_em      = tonumber(args.right_em)      or 0.70 -- right breathing room (em)
  -- Bar at top
  local bar_white_px  = tonumber(args.bar_white_px)  or 2    -- white rule thickness (px)
  local bar_cap_px    = tonumber(args.bar_cap_px)    or 11   -- black space above the rule (px)
  -- Bullets
  local bullet_scale  = tonumber(args.bullet_scale)  or 1.12 -- visual scale factor for images
  local bullet_gap_em = tonumber(args.bullet_gap_em) or 0.25 -- spacing between title & bullets (em)
  -- ===========================================

  -- ===== COMPUTED VALUES =====
  local nameFont   = (title_pct * size) .. '%'
  local leftPadEm  = (pad_em * size) .. 'em'
  local rightPadEm = (right_em * size) .. 'em'
  local whitePx    = math.max(1, math.floor(bar_white_px * size + 0.5)) .. 'px'
  local capPx      = math.max(0, math.floor(bar_cap_px   * size + 0.5)) .. 'px'

  -- ===== OUTER CONTAINER =====
  local outer = mw.html.create('div')
    :css({
      ['display']          = 'flex',
      ['flex-direction']   = 'column',
      ['background-color'] = 'black',
      ['color']            = 'white',
      ['font-family']      = 'Helvetica, Arial, sans-serif',
      ['text-align']       = 'left',
      ['line-height']      = '1.1',
      ['box-sizing']       = 'border-box',
      ['width']            = '100%',
      ['margin']           = '0',
      ['padding']          = '0',
      ['overflow']         = 'visible'
    })

  -- ===== TOP BLACK CAP =====
  outer:tag('div')
    :css({
      ['flex']             = '0 0 ' .. capPx,
      ['height']           = capPx,
      ['background-color'] = 'black'
    })

  -- ===== WHITE RULE =====
  outer:tag('div')
    :css({
      ['flex']             = '0 0 ' .. whitePx,
      ['height']           = whitePx,
      ['background-color'] = 'white'
    })

  -- ===== CONTENT AREA =====
  local content = outer:tag('div')
    :css({
      ['padding-top']    = '0.08em',  -- gap between the white rule and the title
      ['padding-bottom'] = '0.24em',  -- overall space below the bullets
      ['padding-right']  = rightPadEm,
      ['padding-left']   = '0',       -- left gutter is applied once below
      ['box-sizing']     = 'border-box',
      ['margin']         = '0'
    })

  -- ===== LEFT GUTTER WRAPPER =====
  local padded = content:tag('div')
    :css({
      ['padding-left'] = leftPadEm,
      ['margin']       = '0'
    })

  -- ===== TITLE ROW =====
  padded:tag('div')
    :css({ ['margin'] = '0', ['padding'] = '0' })
    :tag('span')
      :css({
        ['font-size']   = nameFont,
        ['font-weight'] = 'bold'
      })
      :wikitext(name)

  -- ===== BULLETS: WRAPPER (SPACING CONTROL) =====
  local bulletWrapper = padded:tag('div')
    :css({
      ['margin-top']  = bullet_gap_em .. 'em', -- distance below title
      ['display']     = 'inline-block',
      ['line-height'] = '1',
      ['padding']     = '0',
      ['margin']      = '0'
    })

  -- ===== BULLETS: INNER (SCALED) =====
  bulletWrapper:tag('div')
    :css({
      ['display']          = 'inline-block',
      ['transform']        = 'scale(' .. string.format('%.3f', bullet_scale) .. ')',
      ['transform-origin'] = 'left top',
      ['line-height']      = '1',
      ['min-height']       = '1.0em',
      ['margin']           = '0',
      ['padding']          = '0'
    })
    :wikitext(bullets)

  -- ===== OUTPUT =====
  return tostring(outer)
end

return p