add gs

RCCService2018/content/LuaPackages/RoactImpl/createElement.lua

@@ -0,0 +1,37 @@
+local Core = require(script.Parent.Core)
+local GlobalConfig = require(script.Parent.GlobalConfig)
+
+--[[
+	Creates a new Roact element of the given type.
+
+	Does not create any concrete objects.
+]]
+local function createElement(elementType, props, children)
+	if elementType == nil then
+		error(("Expected elementType as an argument to createElement!"), 2)
+	end
+
+	props = props or {}
+
+	if children then
+		if props[Core.Children] ~= nil then
+			warn("props[Children] was defined but was overridden by third parameter to createElement!")
+		end
+
+		props[Core.Children] = children
+	end
+
+	local element = {
+		type = Core.Element,
+		component = elementType,
+		props = props,
+	}
+
+	if GlobalConfig.getValue("elementTracing") then
+		element.source = ("\n%s\n"):format(debug.traceback())
+	end
+
+	return element
+end
+
+return createElement