Use Symbol.for in case there are multiple instances of the package

Author: TotalTechGeek

constants.js

@@ -1,9 +1,9 @@
 // @ts-check
 'use strict'
 
-export const Sync = Symbol('_sync')
-export const Override = Symbol('_override')
-export const EfficientTop = Symbol('_efficientTop')
+export const Sync = Symbol.for('json_logic_sync')
+export const Override = Symbol.for('json_logic_override')
+export const EfficientTop = Symbol.for('json_logic_efficientTop')
 export const isSync = (x) => Boolean(typeof x !== 'function' || x[Sync])
 export default {
   Sync,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "json-logic-engine",
-  "version": "1.2.7",
+  "version": "1.2.8",
   "description": "Construct complex rules with JSON & process them.",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm/index.js",
@@ -53,6 +53,8 @@
     "json",
     "logic",
     "jsonlogic",
-    "rules"
+    "rules",
+    "sandbox",
+    "engine"
   ]
 }