Error handling with custom error classes

Deno Sandbox provide a sandboxed environment for evaluating JavaScript code. This is useful for evaluating code that is not trusted or for testing code that is not safe to run in the main runtime.

You can handle errors with custom error classes in a sandbox.

import { Sandbox, SandboxCommandError } from "@deno/sandbox";

await using sandbox = await Sandbox.create();

try {
  await sandbox.sh`exit 42`;
} catch (error) {
  if (error instanceof SandboxCommandError) {
    console.log("Exit code:", error.code); // → 42
    console.log("Error message:", error.message);
  }
}

For more information, see the Deno Sandbox documentation.