Early prototype

miniaura.lua

local WHITELIST = {[8122]=1,[408]=1,[1833]=1,[6770]=1,[2094]=1,[118]=1,[82691]=1,[71757]=1,[12598]=1,[122]=1,[33395]=1,[83302]=1,[76577]=1,[12357]=1,[44572]=1,[55021]=1,
[2823]=1,[108215]=1,[108212]=1,[137573]=1,  -- REMOVE FOR FINAL. ONLY FOR TESTING
}
--[=[
local buttons = {}
for i = 1,5 do
  local i = i  -- Store the unit ID in an upvalue
  buttons['arena'..i] = setmetatable({},{__index = function(self,b)
    --[[ build button i ]]
    local btn = CreateFrame('Frame','nfaDB'..i..b,'ArenaEnemyFrame'..i,'TargetDebuffFrameTemplate')
    btn:SetPoint(--[[ calculate point with i, b ]])
    local T=CreateFontString(nil,'OVERLAY')
    T:SetAllPoints()
    T:SetFont(UNIT_NAME_FONT,10,'OUTLINE')
    btn:SetScript('OnUpdate',function(s)
      T:SetText(ceil(s.e-GetTime()))
    end)
  end})
end
--]=]
local i=1
local buttons = {}
buttons['player'] = setmetatable({},{__index = function(self,b)
    --[[ build button i ]]
    local btn = CreateFrame('Frame','nfaDB'..i..b,UIParent,'TargetDebuffFrameTemplate')
    btn:SetPoint('CENTER',24*b,0)
    local T=btn:CreateFontString(nil,'OVERLAY')
    T:SetPoint'CENTER'
    T:SetFont(UNIT_NAME_FONT,10,'OUTLINE')
    btn:SetScript('OnUpdate',function(s)
      local left = s.e-GetTime()
      if left >= 60 then
        T:SetFormattedText('%dm',floor(left/60+.5))
      else
        T:SetText(ceil(left))
      end
    end)
    btn.unit='player' btn:SetID(b)
    self[b]=btn
    return btn
  end})

local function UNIT_AURA(unit)
  local B = buttons[unit]
  if not B then return end
  
  local i = 1
  local b = 1
  local n,I,d,e,s,_
  
  while true do
    n,_,I,_,_,d,e,_,_,_,s = UnitAura(unit,i,'HELPFUL')
    if not n then break end
    
    if WHITELIST[s] then
      local btn = B[b]
      --[[ show btn, apply properties ]]
      btn:Show()
      _G[btn:GetName()..'Icon']:SetTexture(I)
      btn.e=e
      
      b = b + 1
    end
    
    i = i + 1
  end
  
  for i = b,#B do B[i]:Hide() end
  
end

local f = CreateFrame'Frame'; f:RegisterEvent'UNIT_AURA' f:RegisterEvent'ARENA_OPPONENT_UPDATE' f:RegisterEvent'PLAYER_ENTERING_WORLD'
f:SetScript('OnEvent',function()for i = 1,5 do UNIT_AURA('player')end end)