excited/excited.js

self fliter usage

/*
 * This lib is to fliter sensitive words
 */
var fs = require('fs');

function Wallace(str) {
	this.replace_words = str;
}

Wallace.prototype.getWordList = function(callback) {
	fs.readFile('words_list.json', 'utf-8', function(err, content) {
		if (err) {
			callback(err);
		} else {
			callback(null, JSON.parse(content));
		}
	});
}

Wallace.prototype.fliter = function(callback) {
	var me = this;
	fs.readFile('./words_list.json', 'utf-8', function(err, content) {
		if (err) {
			callback(err);
		} else {
			var obj = JSON.parse(content);
			if (obj.hasOwnProperty('greatman')) {
				var fliter_list = obj.greatman;
				for (idx in fliter_list) {
					me.replace_words = me.replace_words.replace(fliter_list[idx], '???');
				}
				callback(null, me.replace_words);
			} else {
				callback(null, me.replace_words);
			}
		}
	});
}

exports.create_a_Wallace = function(str) {
	return new Wallace(str);
};