alias default variable format

src/compilers/FormatProperties.ts

@@ -15,6 +15,23 @@ export function FormatProperties(properties: any) {
 			property_bag[<Binding>key] = value
 			delete properties[key]
 		}
+
+		if (key.startsWith("$")) {
+			const [varName, varType] = key.split("|")
+
+			switch (varType) {
+				case "d":
+					properties[`${varName}|default`] = value
+					delete properties[key]
+					break
+
+				case "default":
+					break
+
+				default:
+					throw new Error("Invalid variable type")
+			}
+		}
 	}
 
 	if (config.compiler?.fixInventoryItemRenderer && property_bag[BagBinding.ITEM_ID_AUX]) {

src/compilers/bindings/Checker.ts

@@ -34,6 +34,10 @@ export function isBinding(input: string) {
 	return /^#\w+$/.test(input)
 }
 
+export function isVariable(input: string) {
+	return /^\$\w+$/.test(input)
+}
+
 export function isNumber(input: string) {
 	return /^[+-]?(?:\d+|\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?$/.test(input)
 }

src/compilers/bindings/Function.ts

@@ -1,7 +1,7 @@
-import { bs, RandomBindingString, RandomString, ResolveBinding } from "../../components/Utils.js"
-import { BindingItem } from "../../types/properties/value.js"
+import { bs, RandomBindingString, RandomString, ResolveBinding, vs } from "../../components/Utils.js"
+import { Binding, BindingItem, Variable } from "../../types/properties/value.js"
 import { bindingFuntions } from "../Configuration.js"
-import { isBinding, isNumber, isString } from "./Checker.js"
+import { isBinding, isNumber, isString, isVariable } from "./Checker.js"
 import { Expression, GenBinding } from "./types.js"
 
 type CallbackRet = {
@@ -244,7 +244,15 @@ export const defaultFunctions = {
 		if (!isBinding(input_binding)) throw new Error("Invalid input binding")
 		return {
 			doNotAddParentesis: true,
-			value: bs(<`#${string}`>input_binding),
+			value: bs(<Binding>input_binding),
+		}
+	},
+
+	vs: input_variable => {
+		if (!isVariable(input_variable)) throw new Error("Invalid input binding")
+		return {
+			doNotAddParentesis: true,
+			value: vs(<Variable>input_variable),
 		}
 	},