A simple&basic text filter that is under censor of GFW, with DFA.
为nodejs提供的简单GFW敏感词过滤器，使用DFA实现。
$ npm install sensitive-word-filter
var wc = require('sensitive-word-filter')
var string = "***大大,Ur so sexy babe!"
string = wc.filter(string)
console.log(string) // ***大大,Ur so ***y babe!
If you want to add key words of your own, simply add them to the end of 'keywords' file, one word per line.
在'keywords'文件末尾增加自定义敏感词，每行一个。
Under 1ms for a 10-20 words sentence. Around 10ms for 1000 words.
10-20字的短句在1ms以内替换完成，1000字左右需要10ms左右
Keyword list from https://github.com/observerss/textfilter
MIT