fit-text helper now triggers lazyily when slide enters view distance

js/reveal.js

@@ -25,8 +25,6 @@ import {
 	POST_MESSAGE_METHOD_BLACKLIST
 } from './utils/constants.js'
 
-import fitty from 'fitty';
-
 // The reveal.js version
 export const VERSION = '4.0.2';
 
@@ -283,15 +281,6 @@ export default function( revealElement, options ) {
 		dom.statusElement = createStatusElement();
 
 		dom.wrapper.setAttribute( 'role', 'application' );
-
-		// The r-fit-text helper resizes text to be as large as
-		// possible within its given container
-		fitty( '.r-fit-text', {
-			minSize: 24,
-			maxSize: config.height * 0.8,
-			observeMutations: false,
-			observeWindow: false
-		} );
 	}
 
 	/**