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

A client library for the IPFS HTTP API

import { configure } from '../lib/configure.js';
import { toUrlSearchParams } from '../lib/to-url-search-params.js';
import { Value } from './response-types.js';
import { fromString as uint8ArrayFromString } from 'uint8arrays/from-string';
import { toString as uint8ArrayToString } from 'uint8arrays/to-string';
export const createGet = configure(api => {
  async function get(key, options = {}) {
    const res = await api.post('dht/get', {
      signal: options.signal,
      searchParams: toUrlSearchParams({
        arg: key instanceof Uint8Array ? uint8ArrayToString(key) : key,
        ...options
      }),
      headers: options.headers
    });
    for await (const message of res.ndjson()) {
      if (message.Type === Value) {
        return uint8ArrayFromString(message.Extra, 'base64pad');
      }
    }
    throw new Error('not found');
  }
  return get;
});