DefinitelyTyped/types/file-type/index.d.ts

// Type definitions for file-type
// Project: https://github.com/sindresorhus/file-type
// Definitions by: KIM Jaesuck a.k.a. gim tcaesvk <http://github.com/tcaesvk/>
// Definitions: https://github.com/DefinitelyType/DefinitelyTyped

/// <reference types="node" />

export = FileType;

declare function FileType(buf: Buffer): FileType.FileTypeResult;

declare namespace FileType {
    export interface FileTypeResult {
        ext: string;
        mime: string;
    }
}