diff --git a/compat/vanilla.lua b/compat/vanilla.lua
new file mode 100644
index 0000000..5135bdd
--- /dev/null
+++ b/compat/vanilla.lua
@@ -0,0 +1,86 @@
+-- load pfUI environment
+setfenv(1, pfUI:GetEnvironment())
+if pfUI.expansion ~= "vanilla" then return end
+
+-- [[ Constants ]]--
+CASTBAR_EVENT_CAST_DELAY = "SPELLCAST_DELAYED"
+CASTBAR_EVENT_CHANNEL_DELAY = "SPELLCAST_CHANNEL_UPDATE"
+CASTBAR_EVENT_CAST_START = "SPELLCAST_START"
+CASTBAR_EVENT_CHANNEL_START = "SPELLCAST_CHANNEL_START"
+
+EVENTS_MINIMAP_ZONE_UPDATE = {"PLAYER_ENTERING_WORLD", "MINIMAP_ZONE_CHANGED"}
+
+MICRO_BUTTONS = {
+  'CharacterMicroButton', 'SpellbookMicroButton', 'TalentMicroButton',
+  'QuestLogMicroButton', 'SocialsMicroButton', 'WorldMapMicroButton',
+  'MainMenuMicroButton', 'HelpMicroButton',
+}
+
+NAMEPLATE_OBJECTORDER = { "border", "glow", "name", "level", "levelicon", "raidicon" }
+
+NAMEPLATE_FRAMETYPE = "Button"
+
+MINIMAP_TRACKING_FRAME = _G.MiniMapTrackingFrame
+
+FRIENDS_NAME_LOCATION = "ButtonTextNameLocation"
+
+COOLDOWN_FRAME_TYPE = "Model"
+LOOT_BUTTON_FRAME_TYPE = "LootButton"
+
+PLAYER_BUFF_START_ID = -1
+
+ACTIONBAR_SECURE_TEMPLATE_BAR = nil
+ACTIONBAR_SECURE_TEMPLATE_BUTTON = nil
+UNITFRAME_SECURE_TEMPLATE = nil
+
+--[[ Vanilla API Extensions ]]--
+function hooksecurefunc(tbl, name, func, prepend)
+  if type(tbl) == "string" then
+    prepend, func, name, tbl = func, name, tbl, _G
+  end
+
+  if not tbl or not tbl[name] then return end
+
+  pfUI.hooks[tostring(func)] = {}
+  pfUI.hooks[tostring(func)]["old"] = tbl[name]
+  pfUI.hooks[tostring(func)]["new"] = func
+
+  if prepend then
+    pfUI.hooks[tostring(func)]["function"] = function(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16)
+      pfUI.hooks[tostring(func)]["new"](a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16)
+      return pfUI.hooks[tostring(func)]["old"](a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16)
+    end
+  else
+    pfUI.hooks[tostring(func)]["function"] = function(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16)
+      local ok, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16 = pcall(pfUI.hooks[tostring(func)]["old"], a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16)
+      if not ok then return end
+      pfUI.hooks[tostring(func)]["new"](a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16)
+      return r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16
+    end
+  end
+
+  tbl[name] = pfUI.hooks[tostring(func)]["function"]
+end
+
+do -- GetItemInfo
+  local name, link, rarity, minlevel, itype, isubtype, stack
+  function GetItemInfo(item)
+    if not item then return end
+    name, link, rarity, minlevel, itype, isubtype, stack = _G.GetItemInfo(item)
+    return name, link, rarity, nil, minlevel, itype, isubtype, stack
+  end
+end
+
+do -- RunMacroText
+  local obj = { ["GetText"] = function(self) return self.text end }
+  obj = setmetatable(obj, {__index = function(tab,key)
+    local value = function() return end
+    rawset(tab,key,value)
+    return value
+  end})
+
+  function RunMacroText(text)
+    obj.text = text
+    ChatEdit_ParseText(obj, 1)
+  end
+end
\ No newline at end of file