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imports/callbacks/client.lua

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+local ServerCallbacks = {}
+
+local function CallbackTimer(event, delay)
+    if type(delay) == 'number' then
+        local time = GetGameTimer()
+        if (ServerCallbacks[event] or 0) > time then
+            return false
+        end
+        ServerCallbacks[event] = time + delay
+    end
+end
+
+local ServerCallback = table.create(0, 2)
+
+--- Sends an event to the server and halts the current thread until a response is returned.
+---@param event string
+---@param delay number
+ServerCallback.Await = function(resource, event, delay, ...)
+    CallbackTimer(event, delay)
+    event = ('__cb_%s:%s'):format(resource, event)
+    TriggerServerEvent(event, ...)
+    local promise = promise.new()
+    event = RegisterNetEvent(event, function(...)
+        promise:resolve(...)
+        RemoveEventHandler(event)
+    end)
+    return Citizen.Await(promise.value)
+end
+
+--- Sends an event to the server and triggers a callback function once the response is returned.
+---@param event string
+---@param delay number
+ServerCallback.Async = function(resource, event, delay, cb, ...)
+    CallbackTimer(event, delay)
+    event = ('__cb_%s:%s'):format(resource, event)
+    print(event)
+    TriggerServerEvent(event, ...)
+    event = RegisterNetEvent(event, function(...)
+        cb(...)
+        RemoveEventHandler(event)
+    end)
+end
+
+return ServerCallback