import Deck, { VERSION } from './reveal.js' /** * Expose the Reveal class to the window. To create a * new instance: * let deck = new Reveal( document.querySelector( '.reveal' ), { * controls: false * } ); * deck.initialize().then(() => { * // reveal.js is ready * }); */ let Reveal = Deck; /** * The below is a thin shell that mimics the pre 4.0 * reveal.js API and ensures backwards compatibility. * This API only allows for one Reveal instance per * page, whereas the new API above lets you run many * presentations on the same page. * * Reveal.initialize( { controls: false } ).then(() => { * // reveal.js is ready * }); */ let enqueuedAPICalls = []; Reveal.initialize = options => { // Create our singleton reveal.js instance Object.assign( Reveal, new Deck( document.querySelector( '.reveal' ), options ) ); // Invoke any enqueued API calls enqueuedAPICalls.map( method => method( Reveal ) ); return Reveal.initialize(); } /** * The pre 4.0 API let you add event listener before * initializing. We maintain the same behavior by * queuing up premature API calls and invoking all * of them when Reveal.initialize is called. */ [ 'on', 'off', 'addEventListener', 'removeEventListener', 'registerPlugin' ].forEach( method => { Reveal[method] = ( ...args ) => { enqueuedAPICalls.push( deck => deck[method].call( null, ...args ) ); } } ); Reveal.VERSION = VERSION; export default Reveal;