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