Closes #167

lib/Signal.lua

@@ -5,6 +5,7 @@
 	executing an event.
 ]]
 
+local assign = import("./assign")
 local typeKey = import("./typeKey")
 
 local function immutableAppend(list, ...)
@@ -34,6 +35,19 @@ local function immutableRemoveValue(list, removeValue)
 	return new
 end
 
+local connectionMetatable = {}
+connectionMetatable[typeKey] = "RBXScriptConnection"
+
+function connectionMetatable:__index(key)
+	local internal = getmetatable(self).internal
+
+	if internal[key] ~= nil then
+		return internal[key]
+	end
+
+	error(string.format("%s is not a valid member of RBXScriptConnection", tostring(key)), 2)
+end
+
 local Signal = {}
 
 Signal.__index = Signal
@@ -56,11 +70,15 @@ function Signal:Connect(callback)
 
 	internal.listeners = immutableAppend(internal.listeners, callback)
 
-	local connection = {}
-	connection.Connected = true
+	local connection = newproxy(true)
+	local instance = getmetatable(connection)
+	instance.internal = {
+		Connected = true
+	}
+	assign(instance, connectionMetatable)
 
-	function connection.Disconnect()
-		connection.Connected = false
+	function instance.internal.Disconnect()
+		instance.internal.Connected = false
 		internal.listeners = immutableRemoveValue(internal.listeners, callback)
 	end
 

lib/Signal_spec.lua

@@ -1,4 +1,5 @@
 local Signal = import("./Signal")
+local typeof = import("./functions/typeof")
 
 describe("Signal", function()
 	it("should be instantiable", function()
@@ -94,4 +95,14 @@ describe("Signal", function()
 			signal:Wait()
 		end)
 	end)
+
+	it("should have connections with the typeof RBXScriptConnection", function()
+		assert.equal("RBXScriptConnection", typeof(Signal.new():Connect(function() end)))
+	end)
+
+	it("should error when giving a bad index", function()
+		assert.has.errors(function()
+			local _ = Signal.new():Connect(function() end).Doge
+		end)
+	end)
 end)