Function commonOutputDirectory

packages/cli/src/commands/batchRender.ts:157–171

(outputPaths: readonly string[])

}

export function commonOutputDirectory(outputPaths: readonly string[]): string {
  const firstPath = outputPaths[0];
  if (!firstPath) return resolve("renders");

  let common = dirname(firstPath);
  for (const outputPath of outputPaths.slice(1)) {
    const dir = dirname(outputPath);
    while (!isSameOrChildPath(dir, common)) {
      const parent = dirname(common);
      if (parent === common) return common;
      common = parent;
    }
  }
  return common;
}

function checkOutputCollisions(rows: readonly PreparedBatchRow[], manifestPath: string): void {
  const seen = new Map<string, number>();