ipfs-http-client/esm/src/dht/query.js

A client library for the IPFS HTTP API

import { Multiaddr } from 'multiaddr';
import { objectToCamel } from '../lib/object-to-camel.js';
import { configure } from '../lib/configure.js';
import { toUrlSearchParams } from '../lib/to-url-search-params.js';
export const createQuery = configure(api => {
  async function* query(peerId, options = {}) {
    const res = await api.post('dht/query', {
      signal: options.signal,
      searchParams: toUrlSearchParams({
        arg: peerId.toString(),
        ...options
      }),
      headers: options.headers
    });
    for await (let message of res.ndjson()) {
      message = objectToCamel(message);
      message.responses = (message.responses || []).map(({ID, Addrs}) => ({
        id: ID,
        addrs: (Addrs || []).map(a => new Multiaddr(a))
      }));
      yield message;
    }
  }
  return query;
});