@colyseus/core/build/discovery/index.js

Multiplayer Framework for Node.js.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var discovery_exports = {};
__export(discovery_exports, {
  getHostname: () => getHostname,
  registerNode: () => registerNode,
  unregisterNode: () => unregisterNode
});
module.exports = __toCommonJS(discovery_exports);
const NODES_SET = "colyseus:nodes";
const DISCOVERY_CHANNEL = "colyseus:nodes:discovery";
async function getHostname() {
  return process.env.SELF_HOSTNAME;
}
async function getNodeAddress(node) {
  const host = await getHostname();
  const port = process.env.SELF_PORT ?? node.port;
  return port ? `${node.processId}/${host}:${port}` : `${node.processId}/${host}`;
}
async function registerNode(presence, node) {
  const nodeAddress = await getNodeAddress(node);
  await presence.sadd(NODES_SET, nodeAddress);
  await presence.publish(DISCOVERY_CHANNEL, `add,${nodeAddress}`);
}
async function unregisterNode(presence, node) {
  const nodeAddress = await getNodeAddress(node);
  await presence.srem(NODES_SET, nodeAddress);
  await presence.publish(DISCOVERY_CHANNEL, `remove,${nodeAddress}`);
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  getHostname,
  registerNode,
  unregisterNode
});