VM `timeout` issue example

vm-normal.js

'use strict';

const
  vm = require('vm'),
  sandbox = {
    current: -1
  };

console.time('vm-normal');

vm.createContext(sandbox);

for (let i = 0 ; i < 100000 ; i++) {
  vm.runInContext(`current = ${i};`, sandbox, {
    displayErrors: false
  });
}

console.timeEnd('vm-normal');

vm-with-timeout.js

'use strict';

const
  vm = require('vm'),
  sandbox = {
    current: -1
  };

console.time('vm-with-timeout');

vm.createContext(sandbox);

for (let i = 0 ; i < 100000 ; i++) {
  vm.runInContext(`current = ${i};`, sandbox, {
    displayErrors: false,
    timeout: 1000
  });
}

console.timeEnd('vm-with-timeout');