discord.js/lib/message.js

var User = require( "./user.js" ).User;
var List = require( "./list.js" ).List;

exports.Message = function( time, author, content, channel, id, mentions, everyoneMentioned ) {

	if ( !content ) {
		message = time;
		channel = author;
		time = message.timestamp;
		author = message.author;
		content = message.content;
		id = message.id;
		mentions = message.mentions;
		everyoneMentioned = message.mention_everyone;
	}

	this.time = Date.parse( time );
	this.author = new User( author );
	this.content = content.replace( /\s+/g, ' ' ).trim(); //content.replace(/<[^>]*>/g, "").replace(/\s+/g, ' ').trim();
	this.channel = channel;
	this.id = id;
	this.mentions = new List( "id" );
	this.everyoneMentioned = everyoneMentioned;
	for ( x in mentions ) {
		var _mention = mentions[ x ];
		this.mentions.add( new User( _mention ) );
	}
}

exports.Message.prototype.isMentioned = function( user ) {
	return ( this.mentions.filter( "id", user.id ).length > 0 );
}