Function findPathPattern

src/core/clustering.ts:177–198

(paths: string[])

}

export function findPathPattern(paths: string[]): string | null {
  if (paths.length <= 1) return null;

  const parts = paths.map((p) => p.split("/"));
  let commonPrefix = "";
  const minLen = Math.min(...parts.map((p) => p.length));
  for (let i = 0; i < minLen - 1; i++) {
    if (parts.every((p) => p[i] === parts[0][i])) {
      commonPrefix += parts[0][i] + "/";
    } else {
      break;
    }
  }

  const suffixes = paths.map((p) => p.split("/").pop()!);
  const allSameSuffix = suffixes.every((s) => s === suffixes[0]);

  if (commonPrefix && allSameSuffix) return `${commonPrefix}${suffixes[0]}`;
  if (commonPrefix) return `${commonPrefix}*`;
  if (allSameSuffix) return `*/${suffixes[0]}`;
  return null;
}