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FileSystemHandle: kind property

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The kind read-only property of the FileSystemHandle interface returns the type of entry. This is 'file' if the associated entry is a file or 'directory'. It is used to distinguish files from directories when iterating over the contents of a directory.

Value

A string that can be:

Examples

The following function allows the user to choose a file from the file picker and then tests to see whether the handle returned is a file or directory

js

// store a reference to our file handle
let fileHandle;

async function getFile() {
  // open file picker
  [fileHandle] = await window.showOpenFilePicker();

  if (fileHandle.kind === "file") {
    // run file code
  } else if (fileHandle.kind === "directory") {
    // run directory code
  }
}

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
kind 86 86 111 No 72 15.2 No 86 111 61 15.2 14.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/FileSystemHandle/kind