// Type definitions for gulp-uglify
// Project: https://github.com/terinjokes/gulp-uglify
// Definitions by: Christopher Haws <https://github.com/ChristopherHaws/>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

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

import * as UglifyJS from 'uglify-js';

declare namespace GulpUglify {
    interface Options {
        /**
         * Pass false to skip mangling names.
         */
        mangle?: boolean;

        /**
         * Pass if you wish to specify additional output options. The defaults are optimized for best compression.
         */
        output?: UglifyJS.BeautifierOptions;

        /**
         * Pass an object to specify custom compressor options. Pass false to skip compression completely.
         */
        compress?: UglifyJS.CompressorOptions | boolean;

        /**
         * A convenience option for options.output.comments. Defaults to preserving no comments.
         * all - Preserve all comments in code blocks
         * some - Preserve comments that start with a bang (!) or include a Closure Compiler directive (@preserve, @license, @cc_on)
         * function - Specify your own comment preservation function. You will be passed the current node and the current comment and are expected to return either true or false.
         */
        preserverComments?: string | ((node: any, comment: UglifyJS.Tokenizer) => boolean);
    }
}

declare function GulpUglify(options?: GulpUglify.Options): NodeJS.ReadWriteStream;

export = GulpUglify;