local lib, oldminor = LibStub:NewLibrary("tekKonfig-FadeIn", 1)
if not lib then return end
 
 
local starttimes, endtimes, OnUpdates = {}, {}, {}
local function OnUpdate(frame)
  local time = GetTime()
  if time >= (starttimes[frame] + endtimes[frame]) then
    frame:SetScript("OnUpdate", OnUpdates[frame])
    frame:SetAlpha(1)
  else frame:SetAlpha((time - starttimes[frame])/endtimes[frame]) end
end
 
-- Fades in a frame, if time is not passed 0.5sec is used
function lib.FadeIn(frame, time)
  time = time or 0.5
  assert(frame, "No frame passed")
  assert(time > 0, "Time must be positive")
 
  starttimes[frame], endtimes[frame], OnUpdates[frame] = GetTime(), time, frame:GetScript("OnUpdate")
  frame:SetAlpha(0)
  frame:SetScript("OnUpdate", OnUpdate)
end