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better error message when '.reveal' root node is missing #2217

This commit is contained in:
Hakim El Hattab 2021-08-27 09:40:33 +02:00
parent b18f12d964
commit e237fea99a
3 changed files with 9 additions and 4 deletions
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4
dist/reveal.esm.js vendored
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4
dist/reveal.js vendored
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5
js/reveal.js
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@ -44,6 +44,11 @@ export default function( revealElement, options ) {
revealElement = document.querySelector( '.reveal' ); revealElement = document.querySelector( '.reveal' );
} }
// reveal.js can not be initialized without a root element
if( !revealElement ) {
throw 'Invalid or missing <div class="reveal"> element';
}
const Reveal = {}; const Reveal = {};
// Configuration defaults, can be overridden at initialization time // Configuration defaults, can be overridden at initialization time