/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* 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.
*/

'use strict';

var stopwords = require( '@stdlib/datasets/stopwords-en' );
var inmap = require( '@stdlib/utils/inmap' );
var spam = require( '@stdlib/datasets/spam-assassin' );
var removeWords = require( './../lib' );

var corpus = spam();
var words = stopwords();

function remove( mail, idx ) {
	var newText = removeWords( mail.text, words );
	console.log( 'After removing stop words, email %d contains %d characters. Originally, it contained %d.', idx, newText.length, mail.text.length );
	mail.text = newText;
}

inmap( corpus, remove );
