GuardsDOM Guards

Check File Array

Checks if a value is an array of native File objects.

isFileArray

Checks if a value is an array of native File objects.

isFileArray(value: unknown): value is File[] | Blob[]

const files = [new File([], 'test.txt')];
isFileArray(files); // true

Last updated: Tue, May 26, 2026 04:14:18PM (UTC)

Check FileList

Checks if a value is a FileList instance.

Check CustomFileArray

Checks if a value is an array of CustomFile objects.