check key words

src/misc/b3type.ts

@@ -1,6 +1,8 @@
 import { NodeDef } from "../behavior3/src/behavior3";
 
-export const VERSION = "1.8.2";
+export const VERSION = "1.8.4";
+
+export const keyWords = ["true", "false", "null", "undefined", "NaN", "Infinity"];
 
 export type NodeType = NodeDef["type"] | "Other" | "Error";
 export type NodeArg = Exclude<NodeDef["args"], undefined>[number];

src/misc/b3util.ts

@@ -12,6 +12,7 @@ import {
   isIntType,
   isJsonType,
   isStringType,
+  keyWords,
   NodeArg,
   NodeData,
   TreeData,
@@ -141,7 +142,7 @@ export const isNewVersion = (version: string) => {
 };
 
 export const isValidVariableName = (name: string) => {
-  return /^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(name);
+  return /^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(name) && !keyWords.includes(name);
 };
 
 export const isSubtreeRoot = (data: NodeData) => {