@zxcvbn-ts/dictionary-compression/dist/compress.mjs

dictionary-compression helper for zxcvbn-ts language packages

const isCompactDoubleQuotedString = (string) => {
  return !string.match(/[\x00-\x1f\u2028\u2029\\"]/);
};
const compressWithPrefix = (parsed) => {
  if (!Array.isArray(parsed)) {
    return parsed;
  }
  if (!parsed.every(
    (entry) => typeof entry === "string" && isCompactDoubleQuotedString(entry)
  )) {
    return parsed;
  }
  const deltas = [];
  let last = "";
  parsed.forEach((entry) => {
    let prefixLen = 0;
    const maxPrefixLen = Math.min(entry.length, last.length, 25);
    while (prefixLen < maxPrefixLen && entry.charAt(prefixLen) === last.charAt(prefixLen)) {
      prefixLen += 1;
    }
    deltas.push(String.fromCharCode(65 + prefixLen) + entry.slice(prefixLen));
    last = entry;
  });
  return deltas.join("");
};
function compress(data) {
  return compressWithPrefix(data);
}
export {
  compress as default
};
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