@onereach/orest-input-cli/lib/util/bufferList.js

The tool for creating, serving, and publishing OREST Inputs

const itemSizeBytes = 4;

function unpackFromBuffer(buffer) {
  const hashedList =
    buffer instanceof Buffer ? buffer : Buffer.from(buffer, 'base64');
  const resultList = [];
  let offset = 0;

  while (offset < hashedList.length) {
    const itemLength = hashedList.readUInt32BE(offset);
    const item = hashedList.slice(
      offset + itemSizeBytes,
      offset + itemSizeBytes + itemLength
    );
    resultList.push(item);
    offset += itemSizeBytes + itemLength;
  }

  return resultList;
}

exports.unpackFromBuffer = unpackFromBuffer;