vite-plugin-react-server/dist/plugin/stream/createMessageChannels.js

Vite plugin for React Server Components (RSC)

/**
 * vite-plugin-react-server
 * Copyright (c) Nico Brinkkemper
 * MIT License
 */
import { MessageChannel } from 'node:worker_threads';
import { setMaxListenersOnPort, unrefPort } from './setMaxListeners.js';

function createMessageChannels() {
  const dataChannel = new MessageChannel();
  const controlChannel = new MessageChannel();
  setMaxListenersOnPort(dataChannel.port1, 500);
  setMaxListenersOnPort(dataChannel.port2, 500);
  setMaxListenersOnPort(controlChannel.port1, 500);
  setMaxListenersOnPort(controlChannel.port2, 500);
  unrefPort(dataChannel.port1);
  unrefPort(dataChannel.port2);
  unrefPort(controlChannel.port1);
  unrefPort(controlChannel.port2);
  return {
    dataChannel,
    controlChannel,
    // Convenience destructuring for common usage pattern
    dataPort1: dataChannel.port1,
    dataPort2: dataChannel.port2,
    controlPort1: controlChannel.port1,
    controlPort2: controlChannel.port2
  };
}
function createTransferList(port1, port2) {
  return [port1, port2];
}

export { createMessageChannels, createTransferList };
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