(function() { // don't emit events from inside the previews themselves if ( window.location.search.match( /receiver/gi ) ) { return; } var socket = io.connect('127.0.0.1:1947'); var socketId = Math.random().toString().slice(2); console.log('View slide notes at ' + window.location.origin + '/notes/' + socketId); Reveal.addEventListener( 'slidechanged', function( event ) { var nextindexh; var nextindexv; var slideElement = event.currentSlide; if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') { nextindexh = event.indexh; nextindexv = event.indexv + 1; } else { nextindexh = event.indexh + 1; nextindexv = 0; } var notes = slideElement.querySelector('aside.notes'); var slideData = { notes : notes ? notes.innerHTML : '', indexh : event.indexh, indexv : event.indexv, nextindexh : nextindexh, nextindexv : nextindexv, socketId : socketId }; socket.emit('slidechanged', slideData); } ); }());