function setupPostMessage()

in js/reveal.js [843:861]

• 13 lines of code
• 7 McCabe index (conditional complexity)

	function setupPostMessage() {

		if( config.postMessage ) {
			window.addEventListener( 'message', function ( event ) {
				var data = event.data;

				// Make sure we're dealing with JSON
				if( typeof data === 'string' && data.charAt( 0 ) === '{' && data.charAt( data.length - 1 ) === '}' ) {
					data = JSON.parse( data );

					// Check if the requested method can be found
					if( data.method && typeof Reveal[data.method] === 'function' ) {
						Reveal[data.method].apply( Reveal, data.args );
					}
				}
			}, false );
		}

	}