Function rollback

packages/utils/src/lib/wizard/virtual-fs.ts:95–115

(
  written: string[],
  pending: Map<string, PendingEntry>,
  fs: FileSystemAdapter,
  resolve: (filePath: string) => string,
)

}

async function rollback(
  written: string[],
  pending: Map<string, PendingEntry>,
  fs: FileSystemAdapter,
  resolve: (filePath: string) => string,
): Promise<void> {
  await Promise.allSettled(
    written.map(async filePath => {
      const entry = pending.get(filePath);
      if (!entry) {
        return;
      }
      const absolutePath = resolve(filePath);
      if (entry.original == null) {
        await fs.unlink(absolutePath);
        return;
      }
      await fs.writeFile(absolutePath, entry.original);
    }),
  );
}