To help you get started, we've collected the most common ways that bad-words is being used within popular public projects.

RocketChat / Rocket.Chat / app / lib / server / methods / filterBadWords.js View on Github

callbacks.add('beforeSaveMessage', function(message) {
	if (settings.get('Message_AllowBadWordsFilter')) {
		const badWordsList = settings.get('Message_BadWordsFilterList');
		let options;

		// Add words to the blacklist
		if (!!badWordsList && badWordsList.length) {
			options = {
				list: badWordsList.split(','),
			};
		}
		const filter = new Filter(options);
		message.msg = filter.clean(message.msg);
	}

	return message;
}, 1, 'filterBadWords');

View more ways to use bad-words

bad-words

A javascript filter for badwords

Requirements

As of version 2, requires you either have an environment that understands ES2016 and beyond or a transpiler like Babel.

Installation

yarn add bad-words

Usage

import { Filter } from 'bad-words'
...
const filter = new Filter();

console.log(filter.clean("Don't be an ash0le")); //Don't be an ******

Placeholder Overrides

const customFilter = new Filter({ placeHolder: 'x' })

customFilter.clean("Don't be an ash0le") //Don't be an xxxxxx

Regex Overrides

const filter = new Filter({ regex: /\*|\.|$/gi })

const filter = new Filter({ replaceRegex: /[A-Za-z0-9가-힣_]/g })
//multilingual support for word filtering

Add words to the blacklist

const filter = new Filter()

filter.addWords('some', 'bad', 'word')

filter.clean('some bad word!') //**** *** ****!

//or use an array using the spread operator

const newBadWords = ['some', 'bad', 'word']

filter.addWords(...newBadWords)

filter.clean('some bad word!') //**** *** ****!

//or

const filter = new Filter({ list: ['some', 'bad', 'word'] })

filter.clean('some bad word!') //**** *** ****!

Instantiate with an empty list

const filter = new Filter({ emptyList: true })
filter.clean('hell this wont clean anything') //hell this wont clean anything

Remove words from the blacklist

const filter = new Filter()

filter.removeWords('hells', 'sadist')

filter.clean('some hells word!') //some hells word!

//or use an array using the spread operator

const removeWords = ['hells', 'sadist']

filter.removeWords(...removeWords)

filter.clean('some sadist hells word!') //some sadist hells word!

API Reference

Check out TypeDoc Documentation

Testing

yarn test

License

The MIT License (MIT)

Copyright (c) 2013 Michael Price

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.