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reveal.js can now be instantiated with new Reveal(<htmlelement>,<options>)

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This commit is contained in:
Hakim El Hattab 2020-03-07 10:44:02 +01:00
parent 33a1d8d4ad
commit bf45578ba1
5 changed files with 27 additions and 20 deletions
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4
dist/reveal.min.js vendored
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File diff suppressed because one or more lines are too long

4
gulpfile.js
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@ -26,7 +26,7 @@ const license = `/*!
*/\n` */\n`
gulp.task('js', () => gulp.src(['./js/app.js']) gulp.task('js', () => gulp.src(['./js/index.js'])
.pipe(babel({ presets: ['@babel/preset-env'] })) .pipe(babel({ presets: ['@babel/preset-env'] }))
.pipe(webpack({ .pipe(webpack({
mode: 'production' mode: 'production'
@ -90,7 +90,7 @@ gulp.task('serve', () => {
livereload: true livereload: true
}) })
gulp.watch(['js/*.js'], gulp.series('js')) gulp.watch(['js/**/*'], gulp.series('js'))
gulp.watch([ gulp.watch([
'css/theme/source/*.{sass,scss}', 'css/theme/source/*.{sass,scss}',

3
js/app.js
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@ -1,3 +0,0 @@
import Reveal from './reveal.js'
window.Reveal = Reveal();

12
js/index.js Normal file
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@ -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 );
}

24
js/reveal.js
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@ -7,7 +7,7 @@ import Playback from './components/playback.js'
* *
* Copyright (C) 2020 Hakim El Hattab, http://hakim.se * Copyright (C) 2020 Hakim El Hattab, http://hakim.se
*/ */
export default function() { export default function( revealElement, options ) {
'use strict'; '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) // Flags if reveal.js is loaded (has dispatched the 'ready' event)
loaded = false, loaded = false,
@ -412,18 +409,18 @@ export default function() {
/** /**
* Starts up the presentation if the client is capable. * Starts up the presentation if the client is capable.
*/ */
function initialize( options ) { function init() {
// Make sure we only initialize once if( !revealElement ) {
if( initialized === true ) return; console.warn( 'reveal.js must be instantiated with a valid .reveal element' );
return;
initialized = true; }
checkCapabilities(); checkCapabilities();
// Cache references to key DOM elements // Cache references to key DOM elements
dom.wrapper = document.querySelector( '.reveal' ); dom.wrapper = revealElement;
dom.slides = document.querySelector( '.reveal .slides' ); dom.slides = revealElement.querySelector( '.slides' );
// Force a layout when the whole page, incl fonts, has loaded // Force a layout when the whole page, incl fonts, has loaded
window.addEventListener( 'load', layout, false ); window.addEventListener( 'load', layout, false );
@ -441,6 +438,8 @@ export default function() {
// Loads dependencies and continues to #start() once done // Loads dependencies and continues to #start() once done
load(); load();
return Reveal;
} }
/** /**
@ -6175,7 +6174,6 @@ export default function() {
Reveal = { Reveal = {
VERSION: VERSION, VERSION: VERSION,
initialize,
configure, configure,
sync, sync,
@ -6404,6 +6402,6 @@ export default function() {
} }
}; };
return Reveal; return init();
}; };