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*/\n` -gulp.task('js', () => gulp.src(['./js/app.js']) +gulp.task('js', () => gulp.src(['./js/index.js']) .pipe(babel({ presets: ['@babel/preset-env'] })) .pipe(webpack({ mode: 'production' @@ -90,7 +90,7 @@ gulp.task('serve', () => { livereload: true }) - gulp.watch(['js/*.js'], gulp.series('js')) + gulp.watch(['js/**/*'], gulp.series('js')) gulp.watch([ 'css/theme/source/*.{sass,scss}', diff --git a/js/app.js b/js/app.js deleted file mode 100644 index 027e3e4..0000000 --- a/js/app.js +++ /dev/null @@ -1,3 +0,0 @@ -import Reveal from './reveal.js' - -window.Reveal = Reveal(); \ No newline at end of file diff --git a/js/index.js b/js/index.js new file mode 100644 index 0000000..e9286e0 --- /dev/null +++ b/js/index.js @@ -0,0 +1,12 @@ +import _reveal from './reveal.js' + +// The Reveal class can be instantiated to run multiple +// presentations on the same page +window.Reveal = _reveal; + +// Simplified way to create a reveal.js instance on +// a page with only one presentation, makes us backwards +// compatible with reveal.js pre 4.0 +window.Reveal.initialize = options => { + window.Reveal = new _reveal( document.querySelector( '.reveal' ), options ); +} \ No newline at end of file diff --git a/js/reveal.js b/js/reveal.js index 65df5a9..afa3567 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -7,7 +7,7 @@ import Playback from './components/playback.js' * * Copyright (C) 2020 Hakim El Hattab, http://hakim.se */ -export default function() { +export default function( revealElement, options ) { 'use strict'; @@ -306,9 +306,6 @@ export default function() { }, - // Flags if Reveal.initialize() has been called - initialized = false, - // Flags if reveal.js is loaded (has dispatched the 'ready' event) loaded = false, @@ -412,18 +409,18 @@ export default function() { /** * Starts up the presentation if the client is capable. */ - function initialize( options ) { + function init() { - // Make sure we only initialize once - if( initialized === true ) return; - - initialized = true; + if( !revealElement ) { + console.warn( 'reveal.js must be instantiated with a valid .reveal element' ); + return; + } checkCapabilities(); // Cache references to key DOM elements - dom.wrapper = document.querySelector( '.reveal' ); - dom.slides = document.querySelector( '.reveal .slides' ); + dom.wrapper = revealElement; + dom.slides = revealElement.querySelector( '.slides' ); // Force a layout when the whole page, incl fonts, has loaded window.addEventListener( 'load', layout, false ); @@ -441,6 +438,8 @@ export default function() { // Loads dependencies and continues to #start() once done load(); + return Reveal; + } /** @@ -6175,7 +6174,6 @@ export default function() { Reveal = { VERSION: VERSION, - initialize, configure, sync, @@ -6404,6 +6402,6 @@ export default function() { } }; - return Reveal; + return init(); }; \ No newline at end of file