worker-vm

A vm library built on top of Deno’s worker.

Usage

import {VM} from "https://deno.land/x/worker-vm@0.1.0/mod.ts";

const vm = new VM(); // create a new VM Worker

console.log(await vm.run("1 + 1")); // run code in the worker

await vm.run(`
function sum(a, b) {
  return a + b;
} `); // define a function

console.log(await vm.call("sum", 2, 3)) // 5

vm.close(); // terminate the worker

Permissions

• --unstable - permission options in worker is an unstable feature.
• --allow-read=path/to/worker.ts - to launch the worker.

The code may terminate the worker

Although Deno is able to block disk/network access, we can’t prevent the code from calling self.close(). If this happens, the worker will be terminated. All calls to vm.run will timeout.

Similar projects

• vm2 - discontinued.
• isolated-vm - a much more powerful vm that runs in node. However, it has to be built from source when installing.

Changelog

• 0.1.0 (Oct 9, 2023)

  • Initial release.