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vm.js

Build Status Coverage Status DeepScan grade License Prettier Node npm version Size

Run Javascript code in ECMAScript, without eval(), new Function(), setTimeout()...

It base on https://github.com/bramblex/jsjs

Try it out

Usage

import vm from "@axetroy/vm";

const sanbox = { console: console };

const context = vm.createContext(sanbox);

try {
  vm.runInContext(`console.log("Hello world");`, context);
} catch (err) {
  console.error(err);
}

Support

  • ECMA5
  • ES2015
    • Let and const
    • Block scoping
    • ES modules
    • Arrow functions
    • Class
    • Computed properties
    • Destructuring
    • For of
    • Function/Class name
    • Literals
    • Object super
    • Default and rest parameters
    • Shorthand properties
    • Spread
    • Template literals
    • Lifting template literal restriction
    • Unicode-regex
    • Generator function
  • ES2016
    • Exponentiation operator
  • ES2017
    • Trailing commas in function parameter lists and calls
    • Async functions
    • Shared memory and atomics
  • ES2018
    • Asynchronous iteration
    • Promise.prototype.finally()
    • s (dotAll) flag for regular expressions
    • RegExp named capture groups
    • RegExp Unicode Property Escapes
  • Experimental

Test

I have written a lot of test case for this, look at here

Now it still in development, got a lot of work to do and more detail to resolve.

I will release the first stable version of write 500 test case.

If you want to join it. welcome to PR.

How to run a single test

npx tsc && npx ava ./build/test/ecma5/array/

How to run the whole test

npm run test

Related

bramblex/jsjs

jkeylu/evil-eval

License

The MIT License