index.js (1850B)
1 var http = require('http'); 2 var express = require('express'); 3 var fs = require('fs'); 4 var io = require('socket.io'); 5 var Mustache = require('mustache'); 6 7 var app = express(); 8 var staticDir = express.static; 9 var server = http.createServer(app); 10 11 io = io(server); 12 13 var opts = { 14 port : 1947, 15 baseDir : __dirname + '/../../' 16 }; 17 18 io.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 40 app.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 47 app.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 58 server.listen( opts.port || null ); 59 60 var brown = '\033[33m', 61 green = '\033[32m', 62 reset = '\033[0m'; 63 64 var slidesLocation = 'http://localhost' + ( opts.port ? ( ':' + opts.port ) : '' ); 65 66 console.log( brown + 'reveal.js - Speaker Notes' + reset ); 67 console.log( '1. Open the slides at ' + green + slidesLocation + reset ); 68 console.log( '2. Click on the link in your JS console to go to the notes page' ); 69 console.log( '3. Advance through your slides and your notes will advance automatically' );