ipfs-unixfs-importer/dist/src/dag-builder/validate-chunks.js

JavaScript implementation of the UnixFs importer used by IPFS

import errCode from 'err-code';
import { fromString as uint8ArrayFromString } from 'uint8arrays/from-string';
export const defaultChunkValidator = () => {
    return async function* validateChunks(source) {
        for await (const content of source) {
            if (content.length === undefined) {
                throw errCode(new Error('Content was invalid'), 'ERR_INVALID_CONTENT');
            }
            if (typeof content === 'string' || content instanceof String) {
                yield uint8ArrayFromString(content.toString());
            }
            else if (Array.isArray(content)) {
                yield Uint8Array.from(content);
            }
            else if (content instanceof Uint8Array) {
                yield content;
            }
            else {
                throw errCode(new Error('Content was invalid'), 'ERR_INVALID_CONTENT');
            }
        }
    };
};
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