add gs

RCCService2018/content/LuaPackages/RoactImpl/ReconcilerCompat.lua

@@ -0,0 +1,50 @@
+--[[
+	Contains deprecated methods from Reconciler. Broken out so that removing
+	this shim is easy -- just delete this file and remove it from init.
+]]
+
+local Reconciler = require(script.Parent.Reconciler)
+
+local warnedLocations = {}
+
+local reifyMessage = [[
+Roact.reify has been renamed to Roact.mount and will be removed in a future release.
+Check the call to Roact.reify at:
+]]
+
+local teardownMessage = [[
+Roact.teardown has been renamed to Roact.unmount and will be removed in a future release.
+Check the call to Roact.teardown at:
+]]
+
+local ReconcilerCompat = {}
+
+--[[
+	Exposed as a method so that test cases can override `warn`.
+]]
+ReconcilerCompat._warn = warn
+
+local function warnOnce(message)
+	local trace = debug.traceback(message, 3)
+	if warnedLocations[trace] then
+		return
+	end
+
+	warnedLocations[trace] = true
+
+	ReconcilerCompat._warn(trace)
+end
+
+function ReconcilerCompat.reify(...)
+	warnOnce(reifyMessage)
+
+	return Reconciler.mount(...)
+end
+
+function ReconcilerCompat.teardown(...)
+	warnOnce(teardownMessage)
+
+	return Reconciler.unmount(...)
+end
+
+return ReconcilerCompat