Function prepareFilesystem

packages/node/test/unit/test-utils.ts:16–42

(
  files: Fs,
  folderPrefix = 'vercel-node-tests',
  workPathPrefix = ''
)

};

export async function prepareFilesystem(
  files: Fs,
  folderPrefix = 'vercel-node-tests',
  workPathPrefix = ''
): Promise<Filesystem> {
  const directory = join(tmpdir(), `${folderPrefix}-${Date.now()}`);
  const workPath = workPathPrefix ? join(directory, workPathPrefix) : directory;
  await fs.mkdir(workPath, { recursive: true });
  const fileRefs: Files = {};
  for (const [key, value] of Object.entries(files)) {
    const fullPath = join(workPath, key);
    await fs.mkdir(dirname(fullPath), { recursive: true });
    if (typeof value === 'string' || value instanceof Buffer) {
      await fs.writeFile(join(workPath, key), value);
    } else if (typeof value.copy === 'string') {
      await fs.copyFile(join(workPath, value.copy), join(workPath, key));
    }
    fileRefs[key] = await FileFsRef.fromFsPath({
      fsPath: join(workPath, key),
    });
  }
  return {
    workPath,
    repoRootPath: directory,
    files: fileRefs,
  };
}

export async function prepareFixtureFilesystem(
  fixtureName: string,