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why-cant-we-deploy-today/js/index.js

63 lines
1.5 KiB
JavaScript

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.
*/
[
"configure",
"on",
"off",
"addEventListener",
"removeEventListener",
"registerPlugin",
].forEach((method) => {
Reveal[method] = (...args) => {
enqueuedAPICalls.push((deck) => deck[method].call(null, ...args));
};
});
Reveal.isReady = () => false;
Reveal.VERSION = VERSION;
export default Reveal;