filesystem.d.ts

export {};

declare global {
  interface FileSystemHandle {
    kind: 'file' | 'directory';
    name: string;
  }

  interface FileSystemFileHandle extends FileSystemHandle {
    kind: 'file';
    getFile(): Promise<File>;
    createWritable(): Promise<FileSystemWritableFileStream>;
  }

  interface FileSystemDirectoryHandle extends FileSystemHandle {
    kind: 'directory';
    entries(): AsyncIterableIterator<[string, FileSystemHandle]>;
    getFileHandle(name: string, options?: { create?: boolean }): Promise<FileSystemFileHandle>;
    removeEntry(name: string, options?: { recursive?: boolean }): Promise<void>;
  }

  interface FileSystemWritableFileStream {
    write(data: BufferSource | Blob | string): Promise<void>;
    close(): Promise<void>;
  }

  interface Window {
    showDirectoryPicker(): Promise<FileSystemDirectoryHandle>;
  }
}