readme.md

https://github.com/Siubaak/sval

import Sval from 'sval'

// Sval options
const options = {
  // ECMA Version of the code (5 | 6 | 7 | 8 | 9 | 10 | 2015 | 2016 | 2017 | 2018 | 2019)
  ecmaVer: 9,
  // Whether the code runs in a sandbox
  sandBox: true,
}

// Create a interpreter
const interpreter = new Sval(options)

// Add global modules in interpreter
interpreter.import('importWhatYouNeed', 'AllKindsOfStuffs')
// Or interpreter.import({ importWhatYouNeed: 'AllKindsOfStuffs' })

sval_usage.js

console.log('Sval Version: ' + Sval.version);

const interpreter = new Sval()

interpreter.import({
  getItem: n => new Promise(resolve => setTimeout(resolve, 1500, n))
})

interpreter.run(`
  const program = async() => {
    for (const i of [1, 2, 3]) {
      console.log(await getItem(i))
    }
    return await getItem(45);
  };
  exports.end = program();
`)

console.log('End: ' + interpreter.exports.end)
interpreter.exports.end.then(res => console.log('result:', res));