FileSystemDirectoryHandle.getDirectoryHandle()

The getDirectoryHandle() method of the FileSystemDirectoryHandle interface returns a FileSystemDirectoryHandle for a subdirectory with the specified name within the directory handle on which the method is called.

var FileSystemDirectoryHandle = FileSystemDirectoryHandle.getDirectoryHandle();

name

A USVString representing the FileSystemHandle.name of the subdirectory you wish to retrieve.

options Optional

An optional object containing options for the retrieved subdirectory. Options are as follows:

• create: A Boolean. Default false. When set to true if the directory is not found, one with the specified name will be created and returned.

A Promise which resolves with a FileSystemDirectoryHandle.

NotAllowedError

If PermissionStatus is not 'granted'.

TypeMismatchError

If the returned entry is a file and not a directory.

NotFoundError

if directory doesn't exist and the create option is set to false.

The following example returns a directory handle with the specified name, if the directory does not exist it is created.

const dirName = 'directoryToGetName';

// assuming we have a directory handle: 'currentDirHandle'
const subDir = currentDirHandle.getDirectoryHandle(dirName, {create: true});

• File System Access API
• The File System Access API: simplifying access to local files