filestack-js/src/types/file-type/index.d.ts

Official JavaScript library for Filestack

/*
 * Copyright (c) 2026 by Filestack.
 * Some rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

declare module 'file-type' {
  export interface FileTypeResult {
    ext: string;
    mime: string;
  }
  export function fileTypeFromBuffer(
    buffer: Uint8Array | ArrayBuffer
  ): Promise<FileTypeResult | undefined>;
};