kubo-rpc-client-esm-cjs/dist/esm/src/dag/get.js

A client library for the Kubo RPC 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';
/**
 * @param {import('../types').Multicodecs} codecs
 * @param {import('../types').Options} options
 */
export const createGet = (codecs, options) => {
    const fn = configure((api, opts) => {
        const getBlock = createBlockGet(opts);
        /**
         * @type {import('../types').DAGAPI["get"]}
         */
        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));
                /** @type {import('../types').GetResult | undefined} - first and last will return undefined when empty */
                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);
};
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