1var http = require('http'); 2var express = require('express'); 3var fs = require('fs'); 4var io = require('socket.io'); 5var Mustache = require('mustache'); 6 7var app = express(); 8var staticDir = express.static; 9var server = http.createServer(app); 10 11io = io(server); 12 13var opts = { 14 port : 1947, 15 baseDir : __dirname + '/../../' 16}; 17 18io.on( 'connection', function( socket ) { 19 20 socket.on( 'new-subscriber', function( data ) { 21 socket.broadcast.emit( 'new-subscriber', data ); 22 }); 23 24 socket.on( 'statechanged', function( data ) { 25 delete data.state.overview; 26 socket.broadcast.emit( 'statechanged', data ); 27 }); 28 29 socket.on( 'statechanged-speaker', function( data ) { 30 delete data.state.overview; 31 socket.broadcast.emit( 'statechanged-speaker', data ); 32 }); 33 34}); 35 36[ 'css', 'js', 'images', 'plugin', 'lib' ].forEach( function( dir ) { 37 app.use( '/' + dir, staticDir( opts.baseDir + dir ) ); 38}); 39 40app.get('/', function( req, res ) { 41 42 res.writeHead( 200, { 'Content-Type': 'text/html' } ); 43 fs.createReadStream( opts.baseDir + '/index.html' ).pipe( res ); 44 45}); 46 47app.get( '/notes/:socketId', function( req, res ) { 48 49 fs.readFile( opts.baseDir + 'plugin/notes-server/notes.html', function( err, data ) { 50 res.send( Mustache.to_html( data.toString(), { 51 socketId : req.params.socketId 52 })); 53 }); 54 55}); 56 57// Actually listen 58server.listen( opts.port || null ); 59 60var brown = '\033[33m', 61 green = '\033[32m', 62 reset = '\033[0m'; 63 64var slidesLocation = 'http://localhost' + ( opts.port ? ( ':' + opts.port ) : '' ); 65 66console.log( brown + 'reveal.js - Speaker Notes' + reset ); 67console.log( '1. Open the slides at ' + green + slidesLocation + reset ); 68console.log( '2. Click on the link in your JS console to go to the notes page' ); 69console.log( '3. Advance through your slides and your notes will advance automatically' ); 70