diff --git a/package.json b/package.json
index 05a9003de..c693e02f2 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "electron-util": "0.17.2",
     "electron-window-state": "5.0.3",
     "errio": "1.2.2",
+    "espree": "^9.5.2",
     "exponential-backoff": "^3.1.1",
     "fs-extra": "11.1.1",
     "git-sync-js": "^1.0.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index cc559b179..3dd4460e6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -46,6 +46,9 @@ dependencies:
   errio:
     specifier: 1.2.2
     version: 1.2.2
+  espree:
+    specifier: ^9.5.2
+    version: 9.5.2
   exponential-backoff:
     specifier: ^3.1.1
     version: 3.1.1
diff --git a/src/services/wiki/plugin/zxPlugin.ts b/src/services/wiki/plugin/zxPlugin.ts
index a19e5ea39..a92966476 100644
--- a/src/services/wiki/plugin/zxPlugin.ts
+++ b/src/services/wiki/plugin/zxPlugin.ts
@@ -1,4 +1,5 @@
 import type { ITiddlyWiki } from '@tiddlygit/tiddlywiki';
+import * as espree from 'espree';
 import _ from 'lodash';
 import vm, { Context } from 'vm';
 
@@ -33,6 +34,10 @@ export function executeScriptInTWContext(scriptContent: string, context: ITWVMCo
   return context.executionResults;
 }
 
+export function getVariablesFromScript(scriptContent: string): string[] {
+  espree.parse(scriptContent, { sourceType: 'module' });
+}
+
 export interface ITWVMContext {
   context: Context;
   executionResults: string[];
diff --git a/src/type.d.ts b/src/type.d.ts
index 00b5db84d..9a33b69d2 100644
--- a/src/type.d.ts
+++ b/src/type.d.ts
@@ -9,6 +9,45 @@ declare module '@tiddlygit/tiddlywiki' {
   export * from 'tiddlywiki';
 }
 
+declare module 'espree' {
+  // https://github.com/eslint/espree#options
+  export interface Options {
+    comment?: boolean;
+    ecmaFeatures?: {
+      globalReturn?: boolean;
+      impliedStrict?: boolean;
+      jsx?: boolean;
+    };
+    ecmaVersion?:
+      | 3
+      | 5
+      | 6
+      | 7
+      | 8
+      | 9
+      | 10
+      | 11
+      | 12
+      | 2015
+      | 2016
+      | 2017
+      | 2018
+      | 2019
+      | 2020
+      | 2021
+      | 2022
+      | 'latest';
+    loc?: boolean;
+    range?: boolean;
+    sourceType?: 'script' | 'module';
+    tokens?: boolean;
+  }
+  // https://github.com/eslint/espree#options
+  export function parse(code: string, options?: Options): any;
+  // https://github.com/eslint/espree#tokenize
+  export function tokenize(code: string, options?: Options): any;
+}
+
 declare module 'threads-plugin' {
   const value: any;
   export default value;