@ethersphere/bee-js/dist/mjs/modules/pss.js

Javascript client for Bee

import { System } from 'cafe-utility';
import WebSocket from 'isomorphic-ws';
import { prepareRequestHeaders } from "../utils/headers.js";
import { http } from "../utils/http.js";
const endpoint = 'pss';
/**
 * Send to recipient or target with Postal Service for Swarm
 *
 * @param requestOptions Options for making requests
 * @param topic Topic name
 * @param target Target message address prefix
 * @param data
 * @param postageBatchId Postage BatchId that will be assigned to sent message
 * @param recipient Recipient public key
 *
 */
export async function send(requestOptions, topic, target, data, postageBatchId, recipient) {
  await http(requestOptions, {
    method: 'post',
    url: `${endpoint}/send/${topic}/${target}`,
    data,
    responseType: 'json',
    params: {
      recipient
    },
    headers: prepareRequestHeaders(postageBatchId)
  });
}
/**
 * Subscribe for messages on the given topic
 *
 * @param url Bee node URL
 * @param topic Topic name
 */
export function subscribe(url, topic, headers) {
  const wsUrl = url.replace(/^http/i, 'ws');
  if (System.whereAmI() === 'browser') {
    return new WebSocket(`${wsUrl}/${endpoint}/subscribe/${topic.toHex()}`);
  }
  return new WebSocket(`${wsUrl}/${endpoint}/subscribe/${topic.toHex()}`, {
    headers
  });
}