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import Presentation 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
* });
*/
window.Reveal = Presentation;
/**
* The below is a thin shell that mimics the pre 4.0
* reveal.js API and ensures backwards compatibility.
* This API only allows for once 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 = [];
window.Reveal.initialize = options => {
// Create our singleton reveal.js instance
window.Reveal = new Presentation( document.querySelector( '.reveal' ), options );
// Invoke any enqueued API calls
enqueuedAPICalls.map( method => method( window.Reveal ) );
return window.Reveal.initialize();
}
/**
* The pre 4.0 API let you add event listener before
* initializing. We maintain the same behavior by
* queuing up early API calls and invoking all of them
* when Reveal.initialize is called.
*/
[ 'on', 'off', 'addEventListener', 'removeEventListener' ].forEach( method => {
window.Reveal[method] = ( ...args ) => {
enqueuedAPICalls.push( deck => deck[method].call( null, ...args ) );
}
} );
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