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

A client library for the IPFS HTTP API

import { configure } from '../lib/configure.js';
import { resolve } from '../lib/resolve.js';
import first from 'it-first';
import last from 'it-last';
import errCode from 'err-code';
import { createGet as createBlockGet } from '../block/get.js';
export const createGet = (codecs, options) => {
  const fn = configure((api, opts) => {
    const getBlock = createBlockGet(opts);
    const get = async (cid, options = {}) => {
      if (options.path) {
        const entry = options.localResolve ? await first(resolve(cid, options.path, codecs, getBlock, options)) : await last(resolve(cid, options.path, codecs, getBlock, options));
        const result = entry;
        if (!result) {
          throw errCode(new Error('Not found'), 'ERR_NOT_FOUND');
        }
        return result;
      }
      const codec = await codecs.getCodec(cid.code);
      const block = await getBlock(cid, options);
      const node = codec.decode(block);
      return {
        value: node,
        remainderPath: ''
      };
    };
    return get;
  });
  return fn(options);
};