support electron (fix #16)

lib/core.js

@@ -1,6 +1,6 @@
 'use strict';
 const { JSDOM } = require('jsdom');
-const { NodeVM } = require('vm2');
+const vm = require('vm');
 const delay = require('./delay');
 
 // Solve challange with this function
@@ -19,13 +19,15 @@ const solve = async (url, html) => {
 
   // Retrive answers from form to submit challenge
   const body = [];
-  const vm = new NodeVM({ sandbox: { document, body } });
-  await vm.run(`${jschl_answer}
+  vm.runInNewContext(
+    `${jschl_answer}
     // Retrive answers from form to submit challenge
     const input = document.getElementsByTagName("input");
     for (const i of input) {
       body.push(i.name + "=" + encodeURIComponent(i.value));
-    }`);
+    }`,
+    { document, body }
+  );
 
   // Parse request information
   const { method, action, enctype } = document.getElementById('challenge-form');

package.json

@@ -43,8 +43,7 @@
   "dependencies": {
     "jsdom": "^16.2.2",
     "tough-cookie": "^4.0.0",
-    "user-agents": "^1.0.559",
-    "vm2": "^3.9.2"
+    "user-agents": "^1.0.559"
   },
   "devDependencies": {
     "eslint": "^7.0.0",

yarn.lock

@@ -1836,11 +1836,6 @@ [email protected]:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-vm2@^3.9.2:
-  version "3.9.2"
-  resolved "https://registry.yarnpkg.com/vm2/-/vm2-3.9.2.tgz#a4085d2d88a808a1b3c06d5478c2db3222a9cc30"
-  integrity sha512-nzyFmHdy2FMg7mYraRytc2jr4QBaUY3TEGe3q3bK8EgS9WC98wxn2jrPxS/ruWm+JGzrEIIeufKweQzVoQEd+Q==
-
 w3c-hr-time@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz#0a89cdf5cc15822df9c360543676963e0cc308cd"