add gs

RCCService2018/content/internal/Chat/Modules/LuaChat/Reducers/AppState.lua

@@ -0,0 +1,38 @@
+local CoreGui = game:GetService("CoreGui")
+
+local Modules = CoreGui.RobloxGui.Modules
+
+local Common = Modules.Common
+local LuaChat = Modules.LuaChat
+
+local DeleteAlert = require(LuaChat.Actions.DeleteAlert)
+local ShowAlert = require(LuaChat.Actions.ShowAlert)
+
+local Immutable = require(Common.Immutable)
+local OrderedMap = require(LuaChat.OrderedMap)
+
+local function getAlertId(alert)
+	return alert.id
+end
+
+local function alertSortPredicate(alert1, alert2)
+	return alert1.createdAt < alert2.createdAt
+end
+
+return function(state, action)
+	state = state or {}
+
+	if action.type == ShowAlert.name then
+		local alert = action.alert
+		local alerts = state["alerts"] or OrderedMap.new(getAlertId, alertSortPredicate)
+		alerts = OrderedMap.Insert(alerts, alert)
+		state = Immutable.Set(state, "alerts", alerts)
+	elseif action.type == DeleteAlert.name then
+		local alert = action.alert
+		local alerts = state["alerts"] or OrderedMap.new(getAlertId, alertSortPredicate)
+		alerts = OrderedMap.Delete(alerts, alert.id)
+		state = Immutable.Set(state, "alerts", alerts)
+	end
+
+	return state
+end