@ricsam/isolate-core

Core utilities and Web Streams API for isolated-vm V8 sandbox.

Installation

npm add @ricsam/isolate-core

Usage

import { setupCore } from "@ricsam/isolate-core";

const handle = await setupCore(context);

Injected Globals

• ReadableStream, WritableStream, TransformStream
• ReadableStreamDefaultReader, WritableStreamDefaultWriter
• Blob, File
• URL, URLSearchParams
• DOMException
• AbortController, AbortSignal
• TextEncoder, TextDecoder

Usage in Isolate

// Streams
const stream = new ReadableStream({
  start(controller) {
    controller.enqueue("chunk1");
    controller.enqueue("chunk2");
    controller.close();
  }
});

const reader = stream.getReader();
const { value, done } = await reader.read();

// Blob
const blob = new Blob(["hello", " ", "world"], { type: "text/plain" });
const text = await blob.text(); // "hello world"

// File
const file = new File(["content"], "file.txt", { type: "text/plain" });
console.log(file.name); // "file.txt"

License

MIT