packages/node_modules/sublevel-pouchdb/src/legacyCodec.js

export default {
  encode: function (decodedKey) {
    return '\xff' + decodedKey[0] + '\xff' + decodedKey[1];
  },
  decode: function (encodedKeyAsBuffer) {
    var str = encodedKeyAsBuffer.toString();
    var idx = str.indexOf('\xff', 1);
    return [str.substring(1, idx), str.substring(idx + 1)];
  },
  lowerBound: '\x00',
  upperBound: '\xff'
};