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allow reveal.js instances to be created with only options

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This commit is contained in:
Hakim El Hattab 2020-04-15 10:30:49 +02:00
parent a55cd813be
commit d03fc04f61
3 changed files with 8 additions and 7 deletions
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2
demo.html
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@ -420,7 +420,7 @@ Reveal.on( 'customevent', function() {
import Highlight from '/plugin/highlight/highlight.js'; import Highlight from '/plugin/highlight/highlight.js';
// More info https://github.com/hakimel/reveal.js#configuration // More info https://github.com/hakimel/reveal.js#configuration
let deck = new Reveal( document.querySelector( '.reveal' ), { let deck = new Reveal({
controls: true, controls: true,
progress: true, progress: true,
center: true, center: true,

2
dist/reveal.min.js vendored
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File diff suppressed because one or more lines are too long

11
js/reveal.js
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@ -41,6 +41,12 @@ import {
*/ */
export default function( revealElement, options ) { export default function( revealElement, options ) {
// Support initialization with only options
if( arguments.length === 1 ) {
options = arguments[0];
revealElement = document.querySelector( '.reveal' );
}
const Reveal = {}; const Reveal = {};
// The reveal.js version // The reveal.js version
@ -117,11 +123,6 @@ export default function( revealElement, options ) {
*/ */
function initialize() { function initialize() {
if( !revealElement ) {
console.warn( 'reveal.js can not initialize without a valid .reveal element.' );
return;
}
// Cache references to key DOM elements // Cache references to key DOM elements
dom.wrapper = revealElement; dom.wrapper = revealElement;
dom.slides = revealElement.querySelector( '.slides' ); dom.slides = revealElement.querySelector( '.slides' );