ngx-file-drag-drop/lib/validators.d.ts

angular material file input component supports file drag and drop, and selection with native file picker

import { ValidatorFn, AbstractControl, ValidationErrors } from "@angular/forms";
export declare class FileValidators {
    static fileExtension(ext: string[]): ValidatorFn;
    static uniqueFileNames(control: AbstractControl): ValidationErrors | null;
    static fileType(types: string[] | RegExp): ValidatorFn;
    static maxFileCount(count: number): ValidatorFn;
    static maxFileSize(bytes: number): ValidatorFn;
    static maxTotalSize(bytes: number): ValidatorFn;
    static required(control: AbstractControl): ValidationErrors | null;
}