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Merge pull request #2651 from hakimel/dev

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reveal.js 4.0.0
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Hakim El Hattab 2020-05-19 11:11:26 +02:00 committed by GitHub
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159 changed files with 15678 additions and 20060 deletions
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2
.github/workflows/js.yml vendored
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@ -9,7 +9,7 @@ jobs:
strategy:
matrix:
node-version: [8.x, 10.x, 12.x]
node-version: [10.x, 13.x]
steps:
- uses: actions/checkout@v2

3
.gitignore vendored
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@ -9,5 +9,4 @@ log/*.log
tmp/**
node_modules/
.sass-cache
css/reveal.min.css
js/reveal.min.js
dist/*.map

7
.npmignore Normal file
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@ -0,0 +1,7 @@
/test
/examples
/css
/js
.github
.gulpfile
.sass-cache

1501
README.md
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File diff suppressed because one or more lines are too long

24
bower.json
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@ -1,24 +0,0 @@
{
"name": "reveal.js",
"version": "3.9.2",
"main": [
"js/reveal.js",
"css/reveal.css"
],
"homepage": "http://revealjs.com",
"license": "MIT",
"description": "The HTML Presentation Framework",
"authors": [
"Hakim El Hattab <hakim.elhattab@gmail.com>"
],
"repository": {
"type": "git",
"url": "git://github.com/hakimel/reveal.js.git"
},
"ignore": [
"**/.*",
"node_modules",
"bower_components",
"test"
]
}

49
css/layout.scss Normal file
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@ -0,0 +1,49 @@
/**
* Layout helpers.
*/
// Stretch an element vertically based on available space
.reveal .stretch,
.reveal .r-stretch {
max-width: none;
max-height: none;
}
.reveal pre.stretch code,
.reveal pre.r-stretch code {
height: 100%;
max-height: 100%;
box-sizing: border-box;
}
// Stack multiple elements on top of each other
.reveal .r-stack {
display: grid;
}
.reveal .r-stack > * {
grid-area: 1/1;
margin: auto;
}
// Horizontal and vertical stacks
.reveal .r-vstack,
.reveal .r-hstack {
display: flex;
}
.reveal .r-vstack {
flex-direction: column;
}
.reveal .r-hstack {
flex-direction: row;
}
.reveal .items-center {
align-items: center;
}
.reveal .justify-center {
justify-content: center;
}

203
css/print/paper.css
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@ -1,203 +0,0 @@
/* Default Print Stylesheet Template
by Rob Glazebrook of CSSnewbie.com
Last Updated: June 4, 2008
Feel free (nay, compelled) to edit, append, and
manipulate this file as you see fit. */
@media print {
/* SECTION 1: Set default width, margin, float, and
background. This prevents elements from extending
beyond the edge of the printed page, and prevents
unnecessary background images from printing */
html {
background: #fff;
width: auto;
height: auto;
overflow: visible;
}
body {
background: #fff;
font-size: 20pt;
width: auto;
height: auto;
border: 0;
margin: 0 5%;
padding: 0;
overflow: visible;
float: none !important;
}
/* SECTION 2: Remove any elements not needed in print.
This would include navigation, ads, sidebars, etc. */
.nestedarrow,
.controls,
.fork-reveal,
.share-reveal,
.state-background,
.reveal .progress,
.reveal .backgrounds,
.reveal .slide-number {
display: none !important;
}
/* SECTION 3: Set body font face, size, and color.
Consider using a serif font for readability. */
body, p, td, li, div {
font-size: 20pt!important;
font-family: Georgia, "Times New Roman", Times, serif !important;
color: #000;
}
/* SECTION 4: Set heading font face, sizes, and color.
Differentiate your headings from your body text.
Perhaps use a large sans-serif for distinction. */
h1,h2,h3,h4,h5,h6 {
color: #000!important;
height: auto;
line-height: normal;
font-family: Georgia, "Times New Roman", Times, serif !important;
text-shadow: 0 0 0 #000 !important;
text-align: left;
letter-spacing: normal;
}
/* Need to reduce the size of the fonts for printing */
h1 { font-size: 28pt !important; }
h2 { font-size: 24pt !important; }
h3 { font-size: 22pt !important; }
h4 { font-size: 22pt !important; font-variant: small-caps; }
h5 { font-size: 21pt !important; }
h6 { font-size: 20pt !important; font-style: italic; }
/* SECTION 5: Make hyperlinks more usable.
Ensure links are underlined, and consider appending
the URL to the end of the link for usability. */
a:link,
a:visited {
color: #000 !important;
font-weight: bold;
text-decoration: underline;
}
/*
.reveal a:link:after,
.reveal a:visited:after {
content: " (" attr(href) ") ";
color: #222 !important;
font-size: 90%;
}
*/
/* SECTION 6: more reveal.js specific additions by @skypanther */
ul, ol, div, p {
visibility: visible;
position: static;
width: auto;
height: auto;
display: block;
overflow: visible;
margin: 0;
text-align: left !important;
}
.reveal pre,
.reveal table {
margin-left: 0;
margin-right: 0;
}
.reveal pre code {
padding: 20px;
border: 1px solid #ddd;
}
.reveal blockquote {
margin: 20px 0;
}
.reveal .slides {
position: static !important;
width: auto !important;
height: auto !important;
left: 0 !important;
top: 0 !important;
margin-left: 0 !important;
margin-top: 0 !important;
padding: 0 !important;
zoom: 1 !important;
overflow: visible !important;
display: block !important;
text-align: left !important;
-webkit-perspective: none;
-moz-perspective: none;
-ms-perspective: none;
perspective: none;
-webkit-perspective-origin: 50% 50%;
-moz-perspective-origin: 50% 50%;
-ms-perspective-origin: 50% 50%;
perspective-origin: 50% 50%;
}
.reveal .slides section {
visibility: visible !important;
position: static !important;
width: auto !important;
height: auto !important;
display: block !important;
overflow: visible !important;
left: 0 !important;
top: 0 !important;
margin-left: 0 !important;
margin-top: 0 !important;
padding: 60px 20px !important;
z-index: auto !important;
opacity: 1 !important;
page-break-after: always !important;
-webkit-transform-style: flat !important;
-moz-transform-style: flat !important;
-ms-transform-style: flat !important;
transform-style: flat !important;
-webkit-transform: none !important;
-moz-transform: none !important;
-ms-transform: none !important;
transform: none !important;
-webkit-transition: none !important;
-moz-transition: none !important;
-ms-transition: none !important;
transition: none !important;
}
.reveal .slides section.stack {
padding: 0 !important;
}
.reveal section:last-of-type {
page-break-after: avoid !important;
}
.reveal section .fragment {
opacity: 1 !important;
visibility: visible !important;
-webkit-transform: none !important;
-moz-transform: none !important;
-ms-transform: none !important;
transform: none !important;
}
.reveal section img {
display: block;
margin: 15px 0px;
background: rgba(255,255,255,1);
border: 1px solid #666;
box-shadow: none;
}
.reveal section small {
font-size: 0.8em;
}
}

173
css/print/paper.scss Normal file
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@ -0,0 +1,173 @@
/* Default Print Stylesheet Template
by Rob Glazebrook of CSSnewbie.com
Last Updated: June 4, 2008
Feel free (nay, compelled) to edit, append, and
manipulate this file as you see fit. */
@media print {
html:not(.print-pdf) {
background: #fff;
width: auto;
height: auto;
overflow: visible;
body {
background: #fff;
font-size: 20pt;
width: auto;
height: auto;
border: 0;
margin: 0 5%;
padding: 0;
overflow: visible;
float: none !important;
}
.nestedarrow,
.controls,
.fork-reveal,
.share-reveal,
.state-background,
.reveal .progress,
.reveal .backgrounds,
.reveal .slide-number {
display: none !important;
}
body, p, td, li {
font-size: 20pt!important;
color: #000;
}
h1,h2,h3,h4,h5,h6 {
color: #000!important;
height: auto;
line-height: normal;
text-align: left;
letter-spacing: normal;
}
/* Need to reduce the size of the fonts for printing */
h1 { font-size: 28pt !important; }
h2 { font-size: 24pt !important; }
h3 { font-size: 22pt !important; }
h4 { font-size: 22pt !important; font-variant: small-caps; }
h5 { font-size: 21pt !important; }
h6 { font-size: 20pt !important; font-style: italic; }
a:link,
a:visited {
color: #000 !important;
font-weight: bold;
text-decoration: underline;
}
ul, ol, div, p {
visibility: visible;
position: static;
width: auto;
height: auto;
display: block;
overflow: visible;
margin: 0;
text-align: left !important;
}
.reveal pre,
.reveal table {
margin-left: 0;
margin-right: 0;
}
.reveal pre code {
padding: 20px;
}
.reveal blockquote {
margin: 20px 0;
}
.reveal .slides {
position: static !important;
width: auto !important;
height: auto !important;
left: 0 !important;
top: 0 !important;
margin-left: 0 !important;
margin-top: 0 !important;
padding: 0 !important;
zoom: 1 !important;
transform: none !important;
overflow: visible !important;
display: block !important;
text-align: left !important;
perspective: none;
perspective-origin: 50% 50%;
}
.reveal .slides section {
visibility: visible !important;
position: static !important;
width: auto !important;
height: auto !important;
display: block !important;
overflow: visible !important;
left: 0 !important;
top: 0 !important;
margin-left: 0 !important;
margin-top: 0 !important;
padding: 60px 20px !important;
z-index: auto !important;
opacity: 1 !important;
page-break-after: always !important;
transform-style: flat !important;
transform: none !important;
transition: none !important;
}
.reveal .slides section.stack {
padding: 0 !important;
}
.reveal section:last-of-type {
page-break-after: avoid !important;
}
.reveal section .fragment {
opacity: 1 !important;
visibility: visible !important;
transform: none !important;
}
.reveal section img {
display: block;
margin: 15px 0px;
background: rgba(255,255,255,1);
border: 1px solid #666;
box-shadow: none;
}
.reveal section small {
font-size: 0.8em;
}
.reveal .hljs {
max-height: 100%;
white-space: pre-wrap;
word-wrap: break-word;
word-break: break-word;
font-size: 15pt;
}
.reveal .hljs .hljs-ln-numbers {
white-space: nowrap;
}
.reveal .hljs td {
font-size: inherit !important;
color: inherit !important;
}
}
}

165
css/print/pdf.css
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@ -1,165 +0,0 @@
/**
* This stylesheet is used to print reveal.js
* presentations to PDF.
*
* https://github.com/hakimel/reveal.js#pdf-export
*/
* {
-webkit-print-color-adjust: exact;
}
body {
margin: 0 auto !important;
border: 0;
padding: 0;
float: none !important;
overflow: visible;
}
html {
width: 100%;
height: 100%;
overflow: visible;
}
/* Remove any elements not needed in print. */
.nestedarrow,
.reveal .controls,
.reveal .progress,
.reveal .playback,
.reveal.overview,
.fork-reveal,
.share-reveal,
.state-background {
display: none !important;
}
h1, h2, h3, h4, h5, h6 {
text-shadow: 0 0 0 #000 !important;
}
.reveal pre code {
overflow: hidden !important;
font-family: Courier, 'Courier New', monospace !important;
}
ul, ol, div, p {
visibility: visible;
position: static;
width: auto;
height: auto;
display: block;
overflow: visible;
margin: auto;
}
.reveal {
width: auto !important;
height: auto !important;
overflow: hidden !important;
}
.reveal .slides {
position: static;
width: 100% !important;
height: auto !important;
zoom: 1 !important;
pointer-events: initial;
left: auto;
top: auto;
margin: 0 !important;
padding: 0 !important;
overflow: visible;
display: block;
perspective: none;
perspective-origin: 50% 50%;
}
.reveal .slides .pdf-page {
position: relative;
overflow: hidden;
z-index: 1;
page-break-after: always;
}
.reveal .slides section {
visibility: visible !important;
display: block !important;
position: absolute !important;
margin: 0 !important;
padding: 0 !important;
box-sizing: border-box !important;
min-height: 1px;
opacity: 1 !important;
transform-style: flat !important;
transform: none !important;
}
.reveal section.stack {
position: relative !important;
margin: 0 !important;
padding: 0 !important;
page-break-after: avoid !important;
height: auto !important;
min-height: auto !important;
}
.reveal img {
box-shadow: none;
}
.reveal .roll {
overflow: visible;
line-height: 1em;
}
/* Slide backgrounds are placed inside of their slide when exporting to PDF */
.reveal .slide-background {
display: block !important;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: auto !important;
}
/* Display slide speaker notes when 'showNotes' is enabled */
.reveal.show-notes {
max-width: none;
max-height: none;
}
.reveal .speaker-notes-pdf {
display: block;
width: 100%;
height: auto;
max-height: none;
top: auto;
right: auto;
bottom: auto;
left: auto;
z-index: 100;
}
/* Layout option which makes notes appear on a separate page */
.reveal .speaker-notes-pdf[data-layout="separate-page"] {
position: relative;
color: inherit;
background-color: transparent;
padding: 20px;
page-break-after: always;
border: 0;
}
/* Display slide numbers when 'slideNumber' is enabled */
.reveal .slide-number-pdf {
display: block;
position: absolute;
font-size: 14px;
}

172
css/print/pdf.scss Normal file
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@ -0,0 +1,172 @@
/**
* This stylesheet is used to print reveal.js
* presentations to PDF.
*
* https://revealjs.netlify.app/pdf-export/
*/
html.print-pdf {
* {
-webkit-print-color-adjust: exact;
}
& {
width: 100%;
height: 100%;
overflow: visible;
}
body {
margin: 0 auto !important;
border: 0;
padding: 0;
float: none !important;
overflow: visible;
}
/* Remove any elements not needed in print. */
.nestedarrow,
.reveal .controls,
.reveal .progress,
.reveal .playback,
.reveal.overview,
.fork-reveal,
.share-reveal,
.state-background {
display: none !important;
}
h1, h2, h3, h4, h5, h6 {
text-shadow: 0 0 0 #000 !important;
}
.reveal pre code {
overflow: hidden !important;
font-family: Courier, 'Courier New', monospace !important;
}
ul, ol, div, p {
visibility: visible;
position: static;
width: auto;
height: auto;
display: block;
overflow: visible;
margin: auto;
}
.reveal {
width: auto !important;
height: auto !important;
overflow: hidden !important;
}
.reveal .slides {
position: static;
width: 100% !important;
height: auto !important;
zoom: 1 !important;
pointer-events: initial;
left: auto;
top: auto;
margin: 0 !important;
padding: 0 !important;
overflow: visible;
display: block;
perspective: none;
perspective-origin: 50% 50%;
}
.reveal .slides .pdf-page {
position: relative;
overflow: hidden;
z-index: 1;
page-break-after: always;
}
.reveal .slides section {
visibility: visible !important;
display: block !important;
position: absolute !important;
margin: 0 !important;
padding: 0 !important;
box-sizing: border-box !important;
min-height: 1px;
opacity: 1 !important;
transform-style: flat !important;
transform: none !important;
}
.reveal section.stack {
position: relative !important;
margin: 0 !important;
padding: 0 !important;
page-break-after: avoid !important;
height: auto !important;
min-height: auto !important;
}
.reveal img {
box-shadow: none;
}
.reveal .roll {
overflow: visible;
line-height: 1em;
}
/* Slide backgrounds are placed inside of their slide when exporting to PDF */
.reveal .slide-background {
display: block !important;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: auto !important;
}
/* Display slide speaker notes when 'showNotes' is enabled */
.reveal.show-notes {
max-width: none;
max-height: none;
}
.reveal .speaker-notes-pdf {
display: block;
width: 100%;
height: auto;
max-height: none;
top: auto;
right: auto;
bottom: auto;
left: auto;
z-index: 100;
}
/* Layout option which makes notes appear on a separate page */
.reveal .speaker-notes-pdf[data-layout="separate-page"] {
position: relative;
color: inherit;
background-color: transparent;
padding: 20px;
page-break-after: always;
border: 0;
}
/* Display slide numbers when 'slideNumber' is enabled */
.reveal .slide-number-pdf {
display: block;
position: absolute;
font-size: 14px;
}
/* This accessibility tool is not useful in PDF and breaks it visually */
.aria-status {
display: none;
}
}

1606
css/reveal.css
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File diff suppressed because one or more lines are too long

181
css/reveal.scss
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@ -1,17 +1,18 @@
/*!
/**
* reveal.js
* http://revealjs.com
* MIT licensed
*
* Copyright (C) 2020 Hakim El Hattab, http://hakim.se
* Copyright (C) Hakim El Hattab, https://hakim.se
*/
@import 'layout';
/*********************************************
* GLOBAL STYLES
*********************************************/
html {
html.reveal-full-page {
width: 100%;
height: 100%;
height: 100vh;
@ -19,7 +20,7 @@ html {
overflow: hidden;
}
body {
.reveal-viewport {
height: 100%;
overflow: hidden;
position: relative;
@ -39,11 +40,16 @@ body {
opacity: 0;
visibility: hidden;
transition: all .2s ease;
will-change: opacity;
&.visible {
opacity: 1;
visibility: inherit;
}
&.disabled {
transition: none;
}
}
.reveal .slides section .fragment.grow {
@ -208,17 +214,6 @@ body {
position: relative;
}
.reveal .stretch {
max-width: none;
max-height: none;
}
.reveal pre.stretch code {
height: 100%;
max-height: 100%;
box-sizing: border-box;
}
/*********************************************
* CONTROLS
@ -230,6 +225,12 @@ body {
30% {transform: translateX(-5px);}
}
@keyframes bounce-left {
0%, 10%, 25%, 40%, 50% {transform: translateX(0);}
20% {transform: translateX(-10px);}
30% {transform: translateX(5px);}
}
@keyframes bounce-down {
0%, 10%, 25%, 40%, 50% {transform: translateY(0);}
20% {transform: translateY(10px);}
@ -327,6 +328,10 @@ $controlsArrowAngleActive: 36deg;
right: $controlArrowSize + $controlArrowSpacing*2;
bottom: $controlArrowSpacing + $controlArrowSize/2;
transform: translateX( -10px );
&.highlight {
animation: bounce-left 2s 50 both ease-out;
}
}
.navigate-right {
@ -371,7 +376,6 @@ $controlsArrowAngleActive: 36deg;
// Back arrow style: "faded":
// Deemphasize backwards navigation arrows in favor of drawing
// attention to forwards navigation
&[data-controls-back-arrows="faded"] .navigate-left.enabled,
&[data-controls-back-arrows="faded"] .navigate-up.enabled {
opacity: 0.3;
@ -382,7 +386,6 @@ $controlsArrowAngleActive: 36deg;
// Back arrow style: "hidden":
// Never show arrows for backwards navigation
&[data-controls-back-arrows="hidden"] .navigate-left.enabled,
&[data-controls-back-arrows="hidden"] .navigate-up.enabled {
opacity: 0;
visibility: hidden;
@ -408,6 +411,44 @@ $controlsArrowAngleActive: 36deg;
}
}
.reveal:not(.rtl) .controls {
// Back arrow style: "faded":
// Deemphasize left arrow
&[data-controls-back-arrows="faded"] .navigate-left.enabled {
opacity: 0.3;
&:hover {
opacity: 1;
}
}
// Back arrow style: "hidden":
// Never show left arrow
&[data-controls-back-arrows="hidden"] .navigate-left.enabled {
opacity: 0;
visibility: hidden;
}
}
.reveal.rtl .controls {
// Back arrow style: "faded":
// Deemphasize right arrow in RTL mode
&[data-controls-back-arrows="faded"] .navigate-right.enabled {
opacity: 0.3;
&:hover {
opacity: 1;
}
}
// Back arrow style: "hidden":
// Never show right arrow in RTL mode
&[data-controls-back-arrows="hidden"] .navigate-right.enabled {
opacity: 0;
visibility: hidden;
}
}
.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-up,
.reveal[data-navigation-mode="linear"].has-horizontal-slides .navigate-down {
display: none;
@ -570,6 +611,11 @@ $controlsArrowAngleActive: 36deg;
touch-action: pinch-zoom;
}
// Swiping on an embedded deck should not block page scrolling
.reveal.embedded {
touch-action: pan-y;
}
.reveal .slides {
position: absolute;
width: 100%;
@ -652,10 +698,8 @@ $controlsArrowAngleActive: 36deg;
}
/* Don't allow interaction with invisible slides */
.reveal .slides>section.future,
.reveal .slides>section>section.future,
.reveal .slides>section.past,
.reveal .slides>section>section.past {
.reveal .slides>section:not(.present),
.reveal .slides>section>section:not(.present) {
pointer-events: none;
}
@ -1035,47 +1079,16 @@ $controlsArrowAngleActive: 36deg;
* FALLBACK
*********************************************/
.no-transforms {
overflow-y: auto;
}
.no-transforms .reveal {
overflow: visible;
}
.no-transforms .reveal .slides {
position: relative;
width: 80%;
max-width: 1280px;
height: auto;
top: 0;
margin: 0 auto;
text-align: center;
}
.no-transforms .reveal .controls,
.no-transforms .reveal .progress {
display: none;
}
.no-transforms .reveal .slides section {
display: block;
opacity: 1;
position: relative;
height: auto;
min-height: 0;
top: 0;
left: 0;
margin: 10vh 0;
margin: 70px 0;
transform: none;
}
.reveal .no-transition,
.reveal .no-transition * {
.reveal .no-transition *,
.reveal .slides.disable-slide-transitions section {
transition: none !important;
}
.reveal .slides.disable-slide-transitions section {
transform: none !important;
}
/*********************************************
* PER-SLIDE BACKGROUNDS
@ -1263,6 +1276,19 @@ $controlsArrowAngleActive: 36deg;
}
/*********************************************
* AUTO ANIMATE
*********************************************/
.reveal [data-auto-animate-target^="unmatched"] {
will-change: opacity;
}
.reveal section[data-auto-animate]:not(.stack):not([data-auto-animate="running"]) [data-auto-animate-target^="unmatched"] {
opacity: 0;
}
/*********************************************
* OVERVIEW
*********************************************/
@ -1392,6 +1418,9 @@ $controlsArrowAngleActive: 36deg;
* OVERLAY FOR LINK PREVIEWS AND HELP
*********************************************/
$overlayHeaderHeight: 40px;
$overlayHeaderPadding: 5px;
.reveal > .overlay {
position: absolute;
top: 0;
@ -1400,14 +1429,8 @@ $controlsArrowAngleActive: 36deg;
height: 100%;
z-index: 1000;
background: rgba( 0, 0, 0, 0.9 );
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
}
.reveal > .overlay.visible {
opacity: 1;
visibility: visible;
}
.reveal > .overlay .spinner {
position: absolute;
@ -1430,14 +1453,14 @@ $controlsArrowAngleActive: 36deg;
left: 0;
top: 0;
width: 100%;
height: 40px;
padding: $overlayHeaderPadding;
z-index: 2;
border-bottom: 1px solid #222;
box-sizing: border-box;
}
.reveal > .overlay header a {
display: inline-block;
width: 40px;
height: 40px;
width: $overlayHeaderHeight;
height: $overlayHeaderHeight;
line-height: 36px;
padding: 0 10px;
float: right;
@ -1467,7 +1490,7 @@ $controlsArrowAngleActive: 36deg;
.reveal > .overlay .viewport {
position: absolute;
display: flex;
top: 40px;
top: $overlayHeaderHeight + $overlayHeaderPadding*2;
right: 0;
bottom: 0;
left: 0;
@ -1574,6 +1597,10 @@ $controlsArrowAngleActive: 36deg;
* CODE HIGHLGIHTING
*********************************************/
.reveal .hljs {
min-height: 100%;
}
.reveal .hljs table {
margin: initial;
}
@ -1603,6 +1630,13 @@ $controlsArrowAngleActive: 36deg;
box-sizing: border-box;
}
.reveal pre[data-auto-animate-target] {
overflow: hidden;
}
.reveal pre[data-auto-animate-target] code {
height: 100%;
}
/*********************************************
* ROLLING LINKS
@ -1775,3 +1809,12 @@ $notesWidthPercent: 25%;
.zoomed .reveal .roll span:after {
visibility: hidden;
}
/*********************************************
* PRINT STYLES
*********************************************/
@import 'print/pdf.scss';
@import 'print/paper.scss';

4
css/theme/README.md
View File

@ -1,10 +1,10 @@
## Dependencies
Themes are written using Sass to keep things modular and reduce the need for repeated selectors across files. Make sure that you have the reveal.js development environment including the Grunt dependencies installed before proceeding: https://github.com/hakimel/reveal.js#full-setup
Themes are written using Sass to keep things modular and reduce the need for repeated selectors across files. Make sure that you have the reveal.js development environment installed before proceeding: https://revealjs.netlify.app/installation/#full-setup
## Creating a Theme
To create your own theme, start by duplicating a ```.scss``` file in [/css/theme/source](https://github.com/hakimel/reveal.js/blob/master/css/theme/source). It will be automatically compiled by Grunt from Sass to CSS (see the [Gruntfile](https://github.com/hakimel/reveal.js/blob/master/gruntfile.js)) when you run `npm run build -- css-themes`.
To create your own theme, start by duplicating a ```.scss``` file in [/css/theme/source](https://github.com/hakimel/reveal.js/blob/master/css/theme/source). It will be automatically compiled from Sass to CSS (see the [gulpfile](https://github.com/hakimel/reveal.js/blob/master/gulpfile.js)) when you run `npm run build -- css-themes`.
Each theme file does four things in the following order:

2
css/theme/source/beige.scss
View File

@ -13,7 +13,7 @@
// Include theme-specific fonts
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);

2
css/theme/source/black.scss
View File

@ -12,7 +12,7 @@
// Include theme-specific fonts
@import url(../../lib/font/source-sans-pro/source-sans-pro.css);
@import url(fonts/source-sans-pro/source-sans-pro.css);
// Override theme settings (see ../template/settings.scss)

2
css/theme/source/league.scss
View File

@ -15,7 +15,7 @@
// Include theme-specific fonts
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
// Override theme settings (see ../template/settings.scss)

2
css/theme/source/moon.scss
View File

@ -12,7 +12,7 @@
// Include theme-specific fonts
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
/**

2
css/theme/source/solarized.scss
View File

@ -12,7 +12,7 @@
// Include theme-specific fonts
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);

2
css/theme/source/white.scss
View File

@ -12,7 +12,7 @@
// Include theme-specific fonts
@import url(../../lib/font/source-sans-pro/source-sans-pro.css);
@import url(fonts/source-sans-pro/source-sans-pro.css);
// Override theme settings (see ../template/settings.scss)

27
css/theme/template/exposer.scss Normal file
View File

@ -0,0 +1,27 @@
// Exposes theme's variables for easy re-use in CSS for plugin authors
:root {
--background-color: #{$backgroundColor};
--main-font: #{$mainFont};
--main-font-size: #{$mainFontSize};
--main-color: #{$mainColor};
--block-margin: #{$blockMargin};
--heading-margin: #{$headingMargin};
--heading-font: #{$headingFont};
--heading-color: #{$headingColor};
--heading-line-height: #{$headingLineHeight};
--heading-letter-spacing: #{$headingLetterSpacing};
--heading-text-transform: #{$headingTextTransform};
--heading-text-shadow: #{$headingTextShadow};
--heading-font-weight: #{$headingFontWeight};
--heading1-text-shadow: #{$heading1TextShadow};
--heading1-size: #{$heading1Size};
--heading2-size: #{$heading2Size};
--heading3-size: #{$heading3Size};
--heading4-size: #{$heading4Size};
--code-font: #{$codeFont};
--link-color: #{$linkColor};
--link-color-hover: #{$linkColorHover};
--selection-background-color: #{$selectionBackgroundColor};
--selection-color: #{$selectionColor};
}

52
css/theme/template/theme.scss
View File

@ -4,7 +4,9 @@
* GLOBAL STYLES
*********************************************/
body {
@import "./exposer";
.reveal-viewport {
@include bodyBackground();
background-color: $backgroundColor;
}
@ -16,13 +18,13 @@ body {
color: $mainColor;
}
::selection {
.reveal ::selection {
color: $selectionColor;
background: $selectionBackgroundColor;
text-shadow: none;
}
::-moz-selection {
.reveal ::-moz-selection {
color: $selectionColor;
background: $selectionBackgroundColor;
text-shadow: none;
@ -235,6 +237,10 @@ body {
vertical-align: top;
}
.reveal img {
margin: $blockMargin 0;
}
/*********************************************
* LINKS
@ -243,14 +249,10 @@ body {
.reveal a {
color: $linkColor;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease;
transition: color .15s ease;
}
.reveal a:hover {
color: $linkColorHover;
text-shadow: none;
border: none;
}
@ -262,34 +264,22 @@ body {
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255,255,255,0.12);
.reveal .r-frame {
border: 4px solid $mainColor;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}
.reveal section img.plain {
border: 0;
box-shadow: none;
}
.reveal a .r-frame {
transition: all .15s linear;
}
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
transition: all .15s linear;
}
.reveal a:hover img {
background: rgba(255,255,255,0.2);
border-color: $linkColor;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
}
.reveal a:hover .r-frame {
border-color: $linkColor;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
}
/*********************************************
@ -310,9 +300,7 @@ body {
color: $linkColor;
}
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
-moz-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
}
/*********************************************

167
demo.html
View File

@ -14,25 +14,12 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/black.css" id="theme">
<link rel="stylesheet" href="dist/reset.css">
<link rel="stylesheet" href="dist/reveal.css">
<link rel="stylesheet" href="dist/theme/black.css" id="theme">
<!-- Theme used for syntax highlighting of code -->
<link rel="stylesheet" href="lib/css/monokai.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
<link rel="stylesheet" href="plugin/highlight/monokai.css" id="highlight-theme">
</head>
<body>
@ -64,7 +51,7 @@
<p>Use the <em>Space</em> key to navigate through all slides.</p>
<br>
<a href="#" class="navigate-down">
<img width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Down arrow">
<img class="r-frame" style="background: rgba(255,255,255,0.1);" width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Down arrow">
</a>
</section>
<section>
@ -76,7 +63,7 @@
<p>That's it, time to go back up.</p>
<br>
<a href="#/2">
<img width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Up arrow" style="transform: rotate(180deg); -webkit-transform: rotate(180deg);">
<img class="r-frame" style="background: rgba(255,255,255,0.1); transform: rotate(180deg);" width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Up arrow">
</a>
</section>
</section>
@ -88,6 +75,55 @@
</p>
</section>
<section data-auto-animate>
<h2 data-id="code-title">Pretty Code</h2>
<pre data-id="code-animation"><code class="hljs" data-trim data-line-numbers>
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
return (
...
);
}
</code></pre>
<p>Code syntax highlighting courtesy of <a href="https://highlightjs.org/usage/">highlight.js</a>.</p>
</section>
<section data-auto-animate>
<h2 data-id="code-title">With animations</h2>
<pre data-id="code-animation"><code class="hljs" data-trim data-line-numbers="|4,8-11|17|22-24">
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
return (
&lt;div&gt;
&lt;p&gt;You clicked {count} times&lt;/p&gt;
&lt;button onClick={() =&gt; setCount(count + 1)}&gt;
Click me
&lt;/button&gt;
&lt;/div&gt;
);
}
function SecondExample() {
const [count, setCount] = useState(0);
return (
&lt;div&gt;
&lt;p&gt;You clicked {count} times&lt;/p&gt;
&lt;button onClick={() =&gt; setCount(count + 1)}&gt;
Click me
&lt;/button&gt;
&lt;/div&gt;
);
}
</code></pre>
</section>
<section>
<h2>Point of View</h2>
<p>
@ -101,6 +137,32 @@
</p>
</section>
<section data-auto-animate data-auto-animate-easing="cubic-bezier(0.770, 0.000, 0.175, 1.000)">
<h2>Auto-Animate</h2>
<p>Automatically animate matching elements across slides with <a href="https://revealjs.netlify.app/auto-animate/">Auto-Animate</a>.</p>
<div class="r-hstack justify-center">
<div data-id="box1" style="background: #999; width: 50px; height: 50px; margin: 10px; border-radius: 5px;"></div>
<div data-id="box2" style="background: #999; width: 50px; height: 50px; margin: 10px; border-radius: 5px;"></div>
<div data-id="box3" style="background: #999; width: 50px; height: 50px; margin: 10px; border-radius: 5px;"></div>
</div>
</section>
<section data-auto-animate data-auto-animate-easing="cubic-bezier(0.770, 0.000, 0.175, 1.000)">
<div class="r-hstack justify-center">
<div data-id="box1" data-auto-animate-delay="0" style="background: cyan; width: 150px; height: 100px; margin: 10px;"></div>
<div data-id="box2" data-auto-animate-delay="0.1" style="background: magenta; width: 150px; height: 100px; margin: 10px;"></div>
<div data-id="box3" data-auto-animate-delay="0.2" style="background: yellow; width: 150px; height: 100px; margin: 10px;"></div>
</div>
<h2 style="margin-top: 20px;">Auto-Animate</h2>
</section>
<section data-auto-animate data-auto-animate-easing="cubic-bezier(0.770, 0.000, 0.175, 1.000)">
<div class="r-stack">
<div data-id="box1" style="background: cyan; width: 300px; height: 300px; border-radius: 200px;"></div>
<div data-id="box2" style="background: magenta; width: 200px; height: 200px; border-radius: 200px;"></div>
<div data-id="box3" style="background: yellow; width: 100px; height: 100px; border-radius: 200px;"></div>
</div>
<h2 style="margin-top: 20px;">Auto-Animate</h2>
</section>
<section>
<h2>Touch Optimized</h2>
<p>
@ -113,14 +175,14 @@
## Markdown support
Write content using inline or external Markdown.
Instructions and more info available in the [readme](https://github.com/hakimel/reveal.js#markdown).
Instructions and more info available in the [readme](https://revealjs.netlify.app/markdown/).
```
```[]
<section data-markdown>
## Markdown support
Write content using inline or external Markdown.
Instructions and more info available in the [readme](https://github.com/hakimel/reveal.js#markdown).
Instructions and more info available in the [readme](https://revealjs.netlify.app/markdown/).
</section>
```
</script>
@ -194,7 +256,7 @@
Set <code>data-background="#dddddd"</code> on a slide to change the background color. All CSS color formats are supported.
</p>
<a href="#" class="navigate-down">
<img width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Down arrow">
<img class="r-frame" style="background: rgba(255,255,255,0.1);" width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Down arrow">
</a>
</section>
<section data-background="https://s3.amazonaws.com/hakim-static/reveal-js/image-placeholder.png">
@ -239,27 +301,6 @@
</div>
</section>
<section>
<h2>Pretty Code</h2>
<pre><code class="hljs" data-trim data-line-numbers="4|9|4,8-11">
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
return (
&lt;div&gt;
&lt;p&gt;You clicked {count} times&lt;/p&gt;
&lt;button onClick={() =&gt; setCount(count + 1)}&gt;
Click me
&lt;/button&gt;
&lt;/div&gt;
);
}
</code></pre>
<p>Code syntax highlighting courtesy of <a href="http://softwaremaniacs.org/soft/highlight/en/description/">highlight.js</a>.</p>
</section>
<section>
<h2>Marvelous List</h2>
<ul>
@ -330,7 +371,7 @@ function Example() {
<section>
<h2>Speaker View</h2>
<p>There's a <a href="https://github.com/hakimel/reveal.js#speaker-notes">speaker view</a>. It includes a timer, preview of the upcoming slide as well as your speaker notes.</p>
<p>There's a <a href="https://revealjs.netlify.app/speaker-view/">speaker view</a>. It includes a timer, preview of the upcoming slide as well as your speaker notes.</p>
<p>Press the <em>S</em> key to try it out.</p>
<aside class="notes">
@ -340,7 +381,7 @@ function Example() {
<section>
<h2>Export to PDF</h2>
<p>Presentations can be <a href="https://github.com/hakimel/reveal.js#pdf-export">exported to PDF</a>, here's an example:</p>
<p>Presentations can be <a href="https://revealjs.netlify.app/pdf-export/">exported to PDF</a>, here's an example:</p>
<iframe data-src="https://www.slideshare.net/slideshow/embed_code/42840540" width="445" height="355" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:3px solid #666; margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe>
</section>
@ -359,7 +400,7 @@ function Example() {
Additionally custom events can be triggered on a per slide basis by binding to the <code>data-state</code> name.
</p>
<pre><code class="javascript" data-trim contenteditable style="font-size: 18px;">
Reveal.addEventListener( 'customevent', function() {
Reveal.on( 'customevent', function() {
console.log( '"customevent" has fired' );
} );
</code></pre>
@ -376,10 +417,10 @@ Reveal.addEventListener( 'customevent', function() {
<h2>Much more</h2>
<ul>
<li>Right-to-left support</li>
<li><a href="https://github.com/hakimel/reveal.js#api">Extensive JavaScript API</a></li>
<li><a href="https://github.com/hakimel/reveal.js#auto-sliding">Auto-progression</a></li>
<li><a href="https://github.com/hakimel/reveal.js#parallax-background">Parallax backgrounds</a></li>
<li><a href="https://github.com/hakimel/reveal.js#keyboard-bindings">Custom keyboard bindings</a></li>
<li><a href="https://revealjs.netlify.app/api/">Extensive JavaScript API</a></li>
<li><a href="https://revealjs.netlify.app/auto-slide/">Auto-progression</a></li>
<li><a href="https://revealjs.netlify.app/backgrounds/#parallax-background">Parallax backgrounds</a></li>
<li><a href="https://revealjs.netlify.app/keyboard/">Custom keyboard bindings</a></li>
</ul>
</section>
@ -395,28 +436,24 @@ Reveal.addEventListener( 'customevent', function() {
</div>
<script src="js/reveal.js"></script>
<script src="dist/reveal.js"></script>
<script src="plugin/zoom/zoom.js"></script>
<script src="plugin/notes/notes.js"></script>
<script src="plugin/search/search.js"></script>
<script src="plugin/markdown/markdown.js"></script>
<script src="plugin/highlight/highlight.js"></script>
<script>
// More info https://github.com/hakimel/reveal.js#configuration
// Also available as an ES module, see:
// https://revealjs.netlify.app/initialization/
Reveal.initialize({
controls: true,
progress: true,
center: true,
hash: true,
transition: 'slide', // none/fade/slide/convex/concave/zoom
// More info https://github.com/hakimel/reveal.js#dependencies
dependencies: [
{ src: 'plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/highlight/highlight.js' },
{ src: 'plugin/search/search.js', async: true },
{ src: 'plugin/zoom-js/zoom.js', async: true },
{ src: 'plugin/notes/notes.js', async: true }
]
// Learn about plugins: https://revealjs.netlify.app/plugins/
plugins: [ RevealZoom, RevealNotes, RevealSearch, RevealMarkdown, RevealHighlight ]
});
</script>

0
css/reset.css → dist/reset.css vendored
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9
dist/reveal.esm.js vendored Normal file
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57
css/theme/beige.css → dist/theme/beige.css vendored
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@ -3,12 +3,37 @@
*
* Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
*/
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #f7f3de;
--main-font: Lato, sans-serif;
--main-font-size: 40px;
--main-color: #333;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: League Gothic, Impact, sans-serif;
--heading-color: #333;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0, 0, 0, 0.1), 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), 0 20px 20px rgba(0, 0, 0, 0.15);
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #8b743d;
--link-color-hover: #c0a86e;
--selection-background-color: rgba(79, 64, 28, 0.99);
--selection-color: #fff; }
.reveal-viewport {
background: #f7f2d3;
background: -moz-radial-gradient(center, circle cover, white 0%, #f7f2d3 100%);
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, white), color-stop(100%, #f7f2d3));
@ -24,12 +49,12 @@ body {
font-weight: normal;
color: #333; }
::selection {
.reveal ::selection {
color: #fff;
background: rgba(79, 64, 28, 0.99);
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: rgba(79, 64, 28, 0.99);
text-shadow: none; }
@ -209,14 +234,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #8b743d;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -229,25 +255,16 @@ body {
background: #564826; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #333;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #8b743d;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -265,8 +282,6 @@ body {
color: #8b743d; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

57
css/theme/black.css → dist/theme/black.css vendored
View File

@ -3,14 +3,39 @@
*
* By Hakim El Hattab, http://hakim.se
*/
@import url(../../lib/font/source-sans-pro/source-sans-pro.css);
@import url(fonts/source-sans-pro/source-sans-pro.css);
section.has-light-background, section.has-light-background h1, section.has-light-background h2, section.has-light-background h3, section.has-light-background h4, section.has-light-background h5, section.has-light-background h6 {
color: #222; }
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #191919;
--main-font: Source Sans Pro, Helvetica, sans-serif;
--main-font-size: 42px;
--main-color: #fff;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: Source Sans Pro, Helvetica, sans-serif;
--heading-color: #fff;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: none;
--heading-font-weight: 600;
--heading1-text-shadow: none;
--heading1-size: 2.5em;
--heading2-size: 1.6em;
--heading3-size: 1.3em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #42affa;
--link-color-hover: #8dcffc;
--selection-background-color: #bee4fd;
--selection-color: #fff; }
.reveal-viewport {
background: #191919;
background-color: #191919; }
@ -20,12 +45,12 @@ body {
font-weight: normal;
color: #fff; }
::selection {
.reveal ::selection {
color: #fff;
background: #bee4fd;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #bee4fd;
text-shadow: none; }
@ -205,14 +230,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #42affa;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -225,25 +251,16 @@ body {
background: #068de9; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #fff;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #42affa;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -261,8 +278,6 @@ body {
color: #42affa; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

55
css/theme/blood.css → dist/theme/blood.css vendored
View File

@ -13,7 +13,32 @@
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #222;
--main-font: Ubuntu, sans-serif;
--main-font-size: 40px;
--main-color: #eee;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: Ubuntu, sans-serif;
--heading-color: #eee;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: 2px 2px 2px #222;
--heading-font-weight: normal;
--heading1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0, 0, 0, 0.1), 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), 0 20px 20px rgba(0, 0, 0, 0.15);
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #a23;
--link-color-hover: #dd5566;
--selection-background-color: #a23;
--selection-color: #fff; }
.reveal-viewport {
background: #222;
background-color: #222; }
@ -23,12 +48,12 @@ body {
font-weight: normal;
color: #eee; }
::selection {
.reveal ::selection {
color: #fff;
background: #a23;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #a23;
text-shadow: none; }
@ -208,14 +233,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #a23;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -228,25 +254,16 @@ body {
background: #6a1520; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #eee;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #a23;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -264,8 +281,6 @@ body {
color: #a23; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

0
lib/font/league-gothic/LICENSE → dist/theme/fonts/league-gothic/LICENSE vendored
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0
lib/font/league-gothic/league-gothic.css → dist/theme/fonts/league-gothic/league-gothic.css vendored
View File

0
lib/font/league-gothic/league-gothic.eot → dist/theme/fonts/league-gothic/league-gothic.eot vendored
View File

0
lib/font/league-gothic/league-gothic.ttf → dist/theme/fonts/league-gothic/league-gothic.ttf vendored
View File

0
lib/font/league-gothic/league-gothic.woff → dist/theme/fonts/league-gothic/league-gothic.woff vendored
View File

0
lib/font/source-sans-pro/LICENSE → dist/theme/fonts/source-sans-pro/LICENSE vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-italic.eot → dist/theme/fonts/source-sans-pro/source-sans-pro-italic.eot vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-italic.ttf → dist/theme/fonts/source-sans-pro/source-sans-pro-italic.ttf vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-italic.woff → dist/theme/fonts/source-sans-pro/source-sans-pro-italic.woff vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-regular.eot → dist/theme/fonts/source-sans-pro/source-sans-pro-regular.eot vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-regular.ttf → dist/theme/fonts/source-sans-pro/source-sans-pro-regular.ttf vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-regular.woff → dist/theme/fonts/source-sans-pro/source-sans-pro-regular.woff vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-semibold.eot → dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.eot vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-semibold.ttf → dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.ttf vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-semibold.woff → dist/theme/fonts/source-sans-pro/source-sans-pro-semibold.woff vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-semibolditalic.eot → dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.eot vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-semibolditalic.ttf → dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.ttf vendored
View File

0
lib/font/source-sans-pro/source-sans-pro-semibolditalic.woff → dist/theme/fonts/source-sans-pro/source-sans-pro-semibolditalic.woff vendored
View File

0
lib/font/source-sans-pro/source-sans-pro.css → dist/theme/fonts/source-sans-pro/source-sans-pro.css vendored
View File

57
css/theme/league.css → dist/theme/league.css vendored
View File

@ -5,12 +5,37 @@
*
* Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
*/
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #2b2b2b;
--main-font: Lato, sans-serif;
--main-font-size: 40px;
--main-color: #eee;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: League Gothic, Impact, sans-serif;
--heading-color: #eee;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2);
--heading-font-weight: normal;
--heading1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0, 0, 0, 0.1), 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), 0 20px 20px rgba(0, 0, 0, 0.15);
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #13DAEC;
--link-color-hover: #71e9f4;
--selection-background-color: #FF5E99;
--selection-color: #fff; }
.reveal-viewport {
background: #1c1e20;
background: -moz-radial-gradient(center, circle cover, #555a5f 0%, #1c1e20 100%);
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #555a5f), color-stop(100%, #1c1e20));
@ -26,12 +51,12 @@ body {
font-weight: normal;
color: #eee; }
::selection {
.reveal ::selection {
color: #fff;
background: #FF5E99;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #FF5E99;
text-shadow: none; }
@ -211,14 +236,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #13DAEC;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -231,25 +257,16 @@ body {
background: #0d99a5; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #eee;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #13DAEC;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -267,8 +284,6 @@ body {
color: #13DAEC; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

57
css/theme/moon.css → dist/theme/moon.css vendored
View File

@ -2,7 +2,7 @@
* Solarized Dark theme for reveal.js.
* Author: Achim Staebler
*/
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
/**
* Solarized colors by Ethan Schoonover
@ -14,7 +14,32 @@ html * {
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #002b36;
--main-font: Lato, sans-serif;
--main-font-size: 40px;
--main-color: #93a1a1;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: League Gothic, Impact, sans-serif;
--heading-color: #eee8d5;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: none;
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #268bd2;
--link-color-hover: #78b9e6;
--selection-background-color: #d33682;
--selection-color: #fff; }
.reveal-viewport {
background: #002b36;
background-color: #002b36; }
@ -24,12 +49,12 @@ body {
font-weight: normal;
color: #93a1a1; }
::selection {
.reveal ::selection {
color: #fff;
background: #d33682;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #d33682;
text-shadow: none; }
@ -209,14 +234,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #268bd2;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -229,25 +255,16 @@ body {
background: #1a6091; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #93a1a1;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #268bd2;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -265,8 +282,6 @@ body {
color: #268bd2; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

55
css/theme/night.css → dist/theme/night.css vendored
View File

@ -8,7 +8,32 @@
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #111;
--main-font: Open Sans, sans-serif;
--main-font-size: 40px;
--main-color: #eee;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: Montserrat, Impact, sans-serif;
--heading-color: #eee;
--heading-line-height: 1.2;
--heading-letter-spacing: -0.03em;
--heading-text-transform: none;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: none;
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #e7ad52;
--link-color-hover: #f3d7ac;
--selection-background-color: #e7ad52;
--selection-color: #fff; }
.reveal-viewport {
background: #111;
background-color: #111; }
@ -18,12 +43,12 @@ body {
font-weight: normal;
color: #eee; }
::selection {
.reveal ::selection {
color: #fff;
background: #e7ad52;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #e7ad52;
text-shadow: none; }
@ -203,14 +228,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #e7ad52;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -223,25 +249,16 @@ body {
background: #d08a1d; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #eee;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #e7ad52;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -259,8 +276,6 @@ body {
color: #e7ad52; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

55
css/theme/serif.css → dist/theme/serif.css vendored
View File

@ -10,7 +10,32 @@
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #F0F1EB;
--main-font: Palatino Linotype, Book Antiqua, Palatino, FreeSerif, serif;
--main-font-size: 40px;
--main-color: #000;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: Palatino Linotype, Book Antiqua, Palatino, FreeSerif, serif;
--heading-color: #383D3D;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: none;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: none;
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #51483D;
--link-color-hover: #8b7c69;
--selection-background-color: #26351C;
--selection-color: #fff; }
.reveal-viewport {
background: #F0F1EB;
background-color: #F0F1EB; }
@ -20,12 +45,12 @@ body {
font-weight: normal;
color: #000; }
::selection {
.reveal ::selection {
color: #fff;
background: #26351C;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #26351C;
text-shadow: none; }
@ -205,14 +230,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #51483D;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -225,25 +251,16 @@ body {
background: #25211c; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #000;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #51483D;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -261,8 +278,6 @@ body {
color: #51483D; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

55
css/theme/simple.css → dist/theme/simple.css vendored
View File

@ -13,7 +13,32 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #fff;
--main-font: Lato, sans-serif;
--main-font-size: 40px;
--main-color: #000;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: News Cycle, Impact, sans-serif;
--heading-color: #000;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: none;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: none;
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #00008B;
--link-color-hover: #0000f1;
--selection-background-color: rgba(0, 0, 0, 0.99);
--selection-color: #fff; }
.reveal-viewport {
background: #fff;
background-color: #fff; }
@ -23,12 +48,12 @@ body {
font-weight: normal;
color: #000; }
::selection {
.reveal ::selection {
color: #fff;
background: rgba(0, 0, 0, 0.99);
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: rgba(0, 0, 0, 0.99);
text-shadow: none; }
@ -208,14 +233,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #00008B;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -228,25 +254,16 @@ body {
background: #00003f; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #000;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #00008B;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -264,8 +281,6 @@ body {
color: #00008B; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

55
css/theme/sky.css → dist/theme/sky.css vendored
View File

@ -11,7 +11,32 @@
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #f7fbfc;
--main-font: Open Sans, sans-serif;
--main-font-size: 40px;
--main-color: #333;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: Quicksand, sans-serif;
--heading-color: #333;
--heading-line-height: 1.2;
--heading-letter-spacing: -0.08em;
--heading-text-transform: uppercase;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: none;
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #3b759e;
--link-color-hover: #74a7cb;
--selection-background-color: #134674;
--selection-color: #fff; }
.reveal-viewport {
background: #add9e4;
background: -moz-radial-gradient(center, circle cover, #f7fbfc 0%, #add9e4 100%);
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #f7fbfc), color-stop(100%, #add9e4));
@ -27,12 +52,12 @@ body {
font-weight: normal;
color: #333; }
::selection {
.reveal ::selection {
color: #fff;
background: #134674;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #134674;
text-shadow: none; }
@ -212,14 +237,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #3b759e;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -232,25 +258,16 @@ body {
background: #264c66; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #333;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #3b759e;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -268,8 +285,6 @@ body {
color: #3b759e; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

57
css/theme/solarized.css → dist/theme/solarized.css vendored
View File

@ -2,7 +2,7 @@
* Solarized Light theme for reveal.js.
* Author: Achim Staebler
*/
@import url(../../lib/font/league-gothic/league-gothic.css);
@import url(fonts/league-gothic/league-gothic.css);
@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
/**
* Solarized colors by Ethan Schoonover
@ -14,7 +14,32 @@ html * {
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #fdf6e3;
--main-font: Lato, sans-serif;
--main-font-size: 40px;
--main-color: #657b83;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: League Gothic, Impact, sans-serif;
--heading-color: #586e75;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: none;
--heading-font-weight: normal;
--heading1-text-shadow: none;
--heading1-size: 3.77em;
--heading2-size: 2.11em;
--heading3-size: 1.55em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #268bd2;
--link-color-hover: #78b9e6;
--selection-background-color: #d33682;
--selection-color: #fff; }
.reveal-viewport {
background: #fdf6e3;
background-color: #fdf6e3; }
@ -24,12 +49,12 @@ body {
font-weight: normal;
color: #657b83; }
::selection {
.reveal ::selection {
color: #fff;
background: #d33682;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #d33682;
text-shadow: none; }
@ -209,14 +234,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #268bd2;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -229,25 +255,16 @@ body {
background: #1a6091; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #657b83;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #268bd2;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -265,8 +282,6 @@ body {
color: #268bd2; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

57
css/theme/white.css → dist/theme/white.css vendored
View File

@ -3,14 +3,39 @@
*
* By Hakim El Hattab, http://hakim.se
*/
@import url(../../lib/font/source-sans-pro/source-sans-pro.css);
@import url(fonts/source-sans-pro/source-sans-pro.css);
section.has-dark-background, section.has-dark-background h1, section.has-dark-background h2, section.has-dark-background h3, section.has-dark-background h4, section.has-dark-background h5, section.has-dark-background h6 {
color: #fff; }
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
:root {
--background-color: #fff;
--main-font: Source Sans Pro, Helvetica, sans-serif;
--main-font-size: 42px;
--main-color: #222;
--block-margin: 20px;
--heading-margin: 0 0 20px 0;
--heading-font: Source Sans Pro, Helvetica, sans-serif;
--heading-color: #222;
--heading-line-height: 1.2;
--heading-letter-spacing: normal;
--heading-text-transform: uppercase;
--heading-text-shadow: none;
--heading-font-weight: 600;
--heading1-text-shadow: none;
--heading1-size: 2.5em;
--heading2-size: 1.6em;
--heading3-size: 1.3em;
--heading4-size: 1em;
--code-font: monospace;
--link-color: #2a76dd;
--link-color-hover: #6ca0e8;
--selection-background-color: #98bdef;
--selection-color: #fff; }
.reveal-viewport {
background: #fff;
background-color: #fff; }
@ -20,12 +45,12 @@ body {
font-weight: normal;
color: #222; }
::selection {
.reveal ::selection {
color: #fff;
background: #98bdef;
text-shadow: none; }
::-moz-selection {
.reveal ::-moz-selection {
color: #fff;
background: #98bdef;
text-shadow: none; }
@ -205,14 +230,15 @@ body {
.reveal small * {
vertical-align: top; }
.reveal img {
margin: 20px 0; }
/*********************************************
* LINKS
*********************************************/
.reveal a {
color: #2a76dd;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:hover {
@ -225,25 +251,16 @@ body {
background: #1a53a1; }
/*********************************************
* IMAGES
* Frame helper
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
.reveal .r-frame {
border: 4px solid #222;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15); }
.reveal section img.plain {
border: 0;
box-shadow: none; }
.reveal a img {
-webkit-transition: all .15s linear;
-moz-transition: all .15s linear;
.reveal a .r-frame {
transition: all .15s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
.reveal a:hover .r-frame {
border-color: #2a76dd;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
@ -261,8 +278,6 @@ body {
color: #2a76dd; }
.reveal .progress span {
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
/*********************************************

0
test/examples/assets/beeping.txt → examples/assets/beeping.txt
View File

0
test/examples/assets/beeping.wav → examples/assets/beeping.wav
View File

0
test/examples/assets/image1.png → examples/assets/image1.png
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Side by Side Swipe Overlay

Before

Width:  |  Height:  |  Size: 22 KiB

After

Width:  |  Height:  |  Size: 22 KiB

0
test/examples/assets/image2.png → examples/assets/image2.png
View File

Side by Side Swipe Overlay

Before

Width:  |  Height:  |  Size: 10 KiB

After

Width:  |  Height:  |  Size: 10 KiB

176
examples/auto-animate.html Normal file
View File

@ -0,0 +1,176 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Auto Animate</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/black.css" id="theme">
<link rel="stylesheet" href="../plugin/highlight/monokai.css">
</head>
<body>
<div class="reveal">
<div class="slides">
<section data-auto-animate data-auto-animate-unmatched="fade">
<h3>Auto-Animate Example</h3>
<p>This will fade out</p>
<img src="assets/image1.png" style="height: 100px;">
<pre data-id="code"><code data-line-numbers class="hljs" data-trim>
function Example() {
const [count, setCount] = useState(0);
}
</code></pre>
</section>
<section data-auto-animate data-auto-animate-unmatched="fade">
<h3>Auto-Animate Example</h3>
<p style="opacity: 0.2; margin-top: 100px;">This will fade out</p>
<p>This element is unmatched</p>
<img src="assets/image1.png" style="height: 150px;">
<pre data-id="code"><code data-line-numbers class="hljs" data-trim>
function Example() {
New line!
const [count, setCount] = useState(0);
}
</code></pre>
</section>
<section data-auto-animate>
<p data-id="text-props" style="background: #555; line-height: 1em; letter-spacing: 0em;">Line Height & Letter Spacing</p>
</section>
<section data-auto-animate>
<p data-id="text-props" style="background: #555; line-height: 3em; letter-spacing: 0.2em;">Line Height & Letter Spacing</p>
</section>
<section>
<section data-auto-animate>
<pre data-id="code"><code data-line-numbers class="hljs" data-trim>
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
return (
...
);
}
</code></pre>
</section>
<section data-auto-animate>
<pre data-id="code"><code data-line-numbers class="hljs" data-trim>
function Example() {
const [count, setCount] = useState(0);
return (
&lt;div&gt;
&lt;p&gt;You clicked {count} times&lt;/p&gt;
&lt;button onClick={() =&gt; setCount(count + 1)}&gt;
Click me
&lt;/button&gt;
&lt;/div&gt;
);
}
</code></pre>
</section>
<section data-auto-animate>
<pre data-id="code"><code data-line-numbers class="hljs" data-trim>
function Example() {
// A comment!
const [count, setCount] = useState(0);
return (
&lt;div&gt;
&lt;p&gt;You clicked {count} times&lt;/p&gt;
&lt;button onClick={() =&gt; setCount(count + 1)}&gt;
Click me
&lt;/button&gt;
&lt;/div&gt;
);
}
</code></pre>
</section>
</section>
<section>
<section data-auto-animate>
<h3>Swapping list items</h3>
<ul>
<li>One</li>
<li>Two</li>
<li>Three</li>
</ul>
</section>
<section data-auto-animate>
<h3>Swapping list items</h3>
<ul>
<li>Two</li>
<li>One</li>
<li>Three</li>
</ul>
</section>
<section data-auto-animate>
<h3>Swapping list items</h3>
<ul>
<li>Two</li>
<li>Three</li>
<li>One</li>
</ul>
</section>
</section>
<section data-auto-animate style="height: 600px">
<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 1</h2>
<h2 data-id="title" style="margin-top: 260px;">Animate Anything</h2>
<div data-id="1" style="background: white; position: absolute; top: 150px; left: 16%; width: 60px; height: 60px;"></div>
<div data-id="2" style="background: white; position: absolute; top: 150px; left: 36%; width: 60px; height: 60px;"></div>
<div data-id="3" style="background: white; position: absolute; top: 150px; left: 56%; width: 60px; height: 60px;"></div>
<div data-id="4" style="background: white; position: absolute; top: 150px; left: 76%; width: 60px; height: 60px;"></div>
</section>
<section data-auto-animate style="height: 600px">
<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 2</h2>
<h2 data-id="title" style="margin-top: 500px">With Auto Animate</h2>
<div data-id="1" style="background: cyan; position: absolute; bottom: 190px; left: 16%; width: 60px; height: 60px;"></div>
<div data-id="2" style="background: magenta; position: absolute; bottom: 190px; left: 36%; width: 60px; height: 160px;"></div>
<div data-id="3" style="background: yellow; position: absolute; bottom: 190px; left: 56%; width: 60px; height: 260px;"></div>
<div data-id="4" style="background: red; position: absolute; bottom: 190px; left: 76%; width: 60px; height: 360px;"></div>
</section>
<section data-auto-animate style="height: 600px">
<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 3</h2>
<h2 data-id="title" style="margin-top: 500px; opacity: 0;">With Auto Animate</h2>
<div data-id="1" style="background: cyan; position: absolute; top: 50%; left: 50%; width: 400px; height: 400px; margin: -200px 0 0 -200px; border-radius: 400px;"></div>
<div data-id="2" style="background: magenta; position: absolute; top: 50%; left: 50%; width: 300px; height: 300px; margin: -150px 0 0 -150px; border-radius: 400px;"></div>
<div data-id="3" style="background: yellow; position: absolute; top: 50%; left: 50%; width: 200px; height: 200px; margin: -100px 0 0 -100px; border-radius: 400px;"></div>
<div data-id="4" style="background: red; position: absolute; top: 50%; left: 50%; width: 100px; height: 100px; margin: -50px 0 0 -50px; border-radius: 400px;"></div>
</section>
<section data-auto-animate style="height: 600px">
<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 3</h2>
<h2 data-id="title" style="margin-top: 500px; opacity: 0;">With Auto Animate</h2>
<div data-id="1" style="background: red; position: absolute; top: 250px; left: 16%; width: 60px; height: 60px;"></div>
<div data-id="2" style="background: yellow; position: absolute; top: 250px; left: 36%; width: 60px; height: 60px;"></div>
<div data-id="3" style="background: magenta; position: absolute; top: 250px; left: 56%; width: 60px; height: 60px;"></div>
<div data-id="4" style="background: cyan; position: absolute; top: 250px; left: 76%; width: 60px; height: 60px;"></div>
</section>
</div>
</div>
<script src="../dist/reveal.js"></script>
<script src="../plugin/highlight/highlight.js"></script>
<script>
Reveal.initialize({
center: true,
hash: true,
plugins: [ RevealHighlight ]
});
</script>
</body>
</html>

13
test/examples/barebones.html → examples/barebones.html
View File

@ -1,18 +1,13 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Barebones</title>
<link rel="stylesheet" href="../../css/reveal.css">
<link rel="stylesheet" href="../dist/reveal.css">
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
@ -26,15 +21,11 @@
</section>
</div>
</div>
<script src="../../js/reveal.js"></script>
<script src="../dist/reveal.js"></script>
<script>
Reveal.initialize();
</script>
</body>

92
examples/layout-helpers.html Normal file
View File

@ -0,0 +1,92 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Layout Helpers</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
<link rel="stylesheet" href="../plugin/highlight/monokai.css">
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<h2>Layout Helper Examples</h2>
<ul>
<li><a href="#/stretch">Stretch</a></li>
<li><a href="#/stack">Stack</a></li>
</ul>
</section>
<section id="stretch">
<h2>Stretch</h2>
<p>Makes an element as tall as possible while remaining within the slide bounds.</p>
<pre><code class="html" data-trim data-line-numbers>
<h2>Stretch Example</h2>
<img src="assets/image2.png" class="r-stretch">
<p>Image byline</p>
</code></pre>
</section>
<section>
<h2>Stretch Example</h2>
<img src="assets/image2.png" class="r-stretch">
<p>Image byline</p>
</section>
<section id="stack">
<h2>Stack</h2>
<p>Stacks multiple elements on top of each other, for use with fragments.</p>
<pre><code class="html" data-trim data-line-numbers>
<div class="r-stack">
&lt;img class="fragment" width="450" height="300" src="..."&gt;
&lt;img class="fragment" width="300" height="450" src="..."&gt;
&lt;img class="fragment" width="400" height="400" src="..."&gt;
</div>
</code></pre>
</section>
<section>
<h2>Stack Example</h2>
<div class="r-stack">
<img src="https://placekitten.com/450/300" width="450" height="300" class="fragment">
<img src="https://placekitten.com/300/450" width="300" height="450" class="fragment">
<img src="https://placekitten.com/400/400" width="400" height="400" class="fragment">
</div>
</section>
<section>
<h2>Stack Example</h2>
<p>One at a time.</p>
<div class="r-stack">
<img src="https://placekitten.com/450/300" width="450" height="300" class="fragment fade-out" data-fragment-index="0">
<img src="https://placekitten.com/300/450" width="300" height="450" class="fragment current-visible" data-fragment-index="0">
<img src="https://placekitten.com/400/400" width="400" height="400" class="fragment">
</div>
</section>
</div>
</div>
<script src="../dist/reveal.js"></script>
<script src="../plugin/highlight/highlight.js"></script>
<script>
Reveal.initialize({
center: true,
hash: true,
plugins: [ RevealHighlight ]
});
</script>
</body>
</html>

25
plugin/markdown/example.html → examples/markdown.html
View File

@ -4,12 +4,12 @@
<head>
<meta charset="utf-8">
<title>reveal.js - Markdown Demo</title>
<title>reveal.js - Markdown Example</title>
<link rel="stylesheet" href="../../css/reveal.css">
<link rel="stylesheet" href="../../css/theme/white.css" id="theme">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
<link rel="stylesheet" href="../../lib/css/monokai.css">
<link rel="stylesheet" href="../plugin/highlight/monokai.css">
</head>
<body>
@ -19,7 +19,7 @@
<div class="slides">
<!-- Use external markdown resource, separate slides by three newlines; vertical slides by two newlines -->
<section data-markdown="example.md" data-separator="^\n\n\n" data-separator-vertical="^\n\n"></section>
<section data-markdown="markdown.md" data-separator="^\n\n\n" data-separator-vertical="^\n\n"></section>
<!-- Slides are separated by three dashes (quick 'n dirty regular expression) -->
<section data-markdown data-separator="---">
@ -88,7 +88,7 @@
<!-- Code -->
<section data-markdown>
<script type="text/template">
```php
```php [1|3-5]
public function foo()
{
$foo = array(
@ -109,7 +109,10 @@
</div>
</div>
<script src="../../js/reveal.js"></script>
<script src="../dist/reveal.js"></script>
<script src="../plugin/markdown/markdown.js"></script>
<script src="../plugin/highlight/highlight.js"></script>
<script src="../plugin/notes/notes.js"></script>
<script>
@ -119,13 +122,7 @@
history: true,
center: true,
// Optional libraries used to extend on reveal.js
dependencies: [
{ src: 'marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: '../highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: '../notes/notes.js' }
]
plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ]
});
</script>

0
plugin/markdown/example.md → examples/markdown.md
View File

11
test/examples/math.html → examples/math.html
View File

@ -8,8 +8,8 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../../css/reveal.css">
<link rel="stylesheet" href="../../css/theme/night.css" id="theme">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/night.css" id="theme">
</head>
<body>
@ -175,10 +175,8 @@
</div>
<script src="../../js/reveal.js"></script>
<script src="../dist/reveal.js"></script>
<script>
Reveal.initialize({
history: true,
transition: 'linear',
@ -195,10 +193,9 @@
},
dependencies: [
{ src: '../../plugin/math/math.js', async: true }
{ src: '../plugin/math/math.js', async: true }
]
});
</script>
</body>

56
examples/media.html Normal file
View File

@ -0,0 +1,56 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Video, Audio and Iframes</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<h2>Examples of embedded Video, Audio and Iframes</h2>
</section>
<section>
<h2>Iframe</h2>
<iframe data-autoplay width="700" height="540" src="https://slides.com/news/auto-animate/embed" frameborder="0"></iframe>
</section>
<section data-background-iframe="https://www.youtube.com/embed/h1_nyI3z8gI" data-background-interactive>
<h2 style="color: #fff;">Iframe Background</h2>
</section>
<section>
<h2>Auto-playing audio</h2>
<audio src="assets/beeping.wav" data-autoplay></audio>
</section>
<section>
<h2>Audio with controls</h2>
<audio src="assets/beeping.wav" controls></audio>
</section>
</div>
</div>
<script src="../dist/reveal.js"></script>
<script>
Reveal.initialize({
transition: 'linear'
});
</script>
</body>
</html>

102
examples/multiple-presentations.html Normal file
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@ -0,0 +1,102 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Multiple Presentations</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
<link rel="stylesheet" href="../plugin/highlight/monokai.css">
</head>
<body style="background: #ddd;">
<div style="display: flex; flex-direction: row;">
<div class="reveal deck1" style="width: 100%; height: 50vh; margin: 10px;">
<div class="slides">
<section>Deck 1, Slide 1</section>
<section>Deck 1, Slide 2</section>
<section>
<pre data-id="code-animation"><code class="hljs" data-trim data-line-numbers>
import React, { useState } from 'react';
function Example() {
const [count, setCount] = useState(0);
}
</code></pre>
</section>
</div>
</div>
<div class="reveal deck2" style="width: 100%; height: 50vh; margin: 10px;">
<div class="slides">
<section>Deck 2, Slide 1</section>
<section>Deck 2, Slide 2</section>
<section data-markdown>
<script type="text/template">
## Markdown plugin
- 1
- 2
- 3
</script>
</section>
<section>
<h3>The Lorenz Equations</h3>
\[\begin{aligned}
\dot{x} &amp; = \sigma(y-x) \\
\dot{y} &amp; = \rho x - y - xz \\
\dot{z} &amp; = -\beta z + xy
\end{aligned} \]
</section>
</div>
</div>
</div>
<style>
.reveal {
border: 4px solid #ccc;
}
.reveal.focused {
border-color: #94b5ff;
}
</style>
<script src="../dist/reveal.js"></script>
<script src="../plugin/highlight/highlight.js"></script>
<script src="../plugin/markdown/markdown.js"></script>
<script src="../plugin/math/math.js"></script>
<script>
let deck1 = new Reveal( document.querySelector( '.deck1' ), {
embedded: true,
progress: false,
keyboardCondition: 'focused',
plugins: [ RevealHighlight ]
} );
deck1.on( 'slidechanged', () => {
console.log( 'Deck 1 slide changed' );
} );
deck1.initialize();
let deck2 = new Reveal( document.querySelector( '.deck2' ), {
embedded: true,
progress: false,
keyboardCondition: 'focused',
plugins: [ RevealMarkdown, RevealMath ]
} );
deck2.initialize().then( () => {
deck2.slide(1);
} );
deck2.on( 'slidechanged', () => {
console.log( 'Deck 2 slide changed' );
} );
</script>
</body>
</html>

12
test/examples/slide-backgrounds.html → examples/slide-backgrounds.html
View File

@ -8,8 +8,8 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="../../css/reveal.css">
<link rel="stylesheet" href="../../css/theme/serif.css" id="theme">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/serif.css" id="theme">
<style type="text/css" media="screen">
.slides section.has-dark-background,
.slides section.has-dark-background h2 {
@ -122,15 +122,13 @@
</div>
<script src="../../js/reveal.js"></script>
<script src="../dist/reveal.js"></script>
<script>
// Full list of configuration options available here:
// https://github.com/hakimel/reveal.js#configuration
// Full list of configuration options:
// https://revealjs.netlify.app/config/
Reveal.initialize({
center: true,
// rtl: true,
transition: 'linear',
// transitionSpeed: 'slow',

9
test/examples/slide-transitions.html → examples/slide-transitions.html
View File

@ -6,8 +6,8 @@
<title>reveal.js - Slide Transitions</title>
<link rel="stylesheet" href="../../css/reveal.css">
<link rel="stylesheet" href="../../css/theme/white.css" id="theme">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/white.css" id="theme">
<style type="text/css" media="screen">
.slides section.has-dark-background,
.slides section.has-dark-background h3 {
@ -81,10 +81,8 @@
</div>
<script src="../../js/reveal.js"></script>
<script src="../dist/reveal.js"></script>
<script>
Reveal.initialize({
center: true,
history: true,
@ -93,7 +91,6 @@
// transitionSpeed: 'slow',
// backgroundTransition: 'slide'
});
</script>
</body>

189
gruntfile.js
View File

@ -1,189 +0,0 @@
const sass = require('node-sass');
module.exports = grunt => {
require('load-grunt-tasks')(grunt);
let port = grunt.option('port') || 8000;
let root = grunt.option('root') || '.';
if (!Array.isArray(root)) root = [root];
// Project configuration
grunt.initConfig({
pkg: grunt.file.readJSON('package.json'),
meta: {
banner:
'/*!\n' +
' * reveal.js <%= pkg.version %> (<%= grunt.template.today("yyyy-mm-dd, HH:MM") %>)\n' +
' * http://revealjs.com\n' +
' * MIT licensed\n' +
' *\n' +
' * Copyright (C) 2020 Hakim El Hattab, http://hakim.se\n' +
' */'
},
qunit: {
files: [ 'test/*.html' ]
},
uglify: {
options: {
banner: '<%= meta.banner %>\n',
ie8: true
},
build: {
src: 'js/reveal.js',
dest: 'js/reveal.min.js'
}
},
sass: {
options: {
implementation: sass,
sourceMap: false
},
core: {
src: 'css/reveal.scss',
dest: 'css/reveal.css'
},
themes: {
expand: true,
cwd: 'css/theme/source',
src: ['*.sass', '*.scss'],
dest: 'css/theme',
ext: '.css'
}
},
autoprefixer: {
core: {
src: 'css/reveal.css'
}
},
cssmin: {
options: {
compatibility: 'ie9'
},
compress: {
src: 'css/reveal.css',
dest: 'css/reveal.min.css'
}
},
jshint: {
options: {
curly: false,
eqeqeq: true,
immed: true,
esnext: true,
latedef: 'nofunc',
newcap: true,
noarg: true,
sub: true,
undef: true,
eqnull: true,
browser: true,
expr: true,
loopfunc: true,
globals: {
head: false,
module: false,
console: false,
unescape: false,
define: false,
exports: false,
require: false
}
},
files: [ 'gruntfile.js', 'js/reveal.js' ]
},
connect: {
server: {
options: {
port: port,
base: root,
livereload: true,
open: true,
useAvailablePort: true
}
}
},
zip: {
bundle: {
src: [
'index.html',
'css/**',
'js/**',
'lib/**',
'images/**',
'plugin/**',
'**.md'
],
dest: 'reveal-js-presentation.zip'
}
},
watch: {
js: {
files: [ 'gruntfile.js', 'js/reveal.js' ],
tasks: 'js'
},
theme: {
files: [
'css/theme/source/*.sass',
'css/theme/source/*.scss',
'css/theme/template/*.sass',
'css/theme/template/*.scss'
],
tasks: 'css-themes'
},
css: {
files: [ 'css/reveal.scss' ],
tasks: 'css-core'
},
test: {
files: [ 'test/*.html' ],
tasks: 'test'
},
html: {
files: root.map(path => path + '/*.html')
},
markdown: {
files: root.map(path => path + '/*.md')
},
options: {
livereload: true
}
}
});
// Default task
grunt.registerTask( 'default', [ 'css', 'js' ] );
// JS task
grunt.registerTask( 'js', [ 'jshint', 'uglify', 'qunit' ] );
// Theme CSS
grunt.registerTask( 'css-themes', [ 'sass:themes' ] );
// Core framework CSS
grunt.registerTask( 'css-core', [ 'sass:core', 'autoprefixer', 'cssmin' ] );
// All CSS
grunt.registerTask( 'css', [ 'sass', 'autoprefixer', 'cssmin' ] );
// Package presentation to archive
grunt.registerTask( 'package', [ 'default', 'zip' ] );
// Serve presentation locally
grunt.registerTask( 'serve', [ 'connect', 'watch' ] );
// Run tests
grunt.registerTask( 'test', [ 'jshint', 'qunit' ] );
};

267
gulpfile.js Normal file
View File

@ -0,0 +1,267 @@
const pkg = require('./package.json')
const path = require('path')
const glob = require('glob')
const yargs = require('yargs')
const colors = require('colors')
const qunit = require('node-qunit-puppeteer')
const {rollup} = require('rollup')
const {terser} = require('rollup-plugin-terser')
const babel = require('rollup-plugin-babel')
const commonjs = require('@rollup/plugin-commonjs')
const resolve = require('@rollup/plugin-node-resolve')
const gulp = require('gulp')
const tap = require('gulp-tap')
const zip = require('gulp-zip')
const sass = require('gulp-sass')
const header = require('gulp-header')
const eslint = require('gulp-eslint')
const minify = require('gulp-clean-css')
const connect = require('gulp-connect')
const autoprefixer = require('gulp-autoprefixer')
const root = yargs.argv.root || '.'
const port = yargs.argv.port || 8000
const banner = `/*!
* reveal.js ${pkg.version} (${new Date().toDateString()})
* ${pkg.homepage}
* MIT licensed
*
* Copyright (C) 2020 Hakim El Hattab, https://hakim.se
*/\n`
// Prevents warnings from opening too many test pages
process.setMaxListeners(20);
const babelConfig = {
exclude: 'node_modules/**',
compact: false,
extensions: ['.js', '.html'],
plugins: ['transform-html-import-to-string'],
presets: [[
'@babel/preset-env',
{
corejs: 3,
useBuiltIns: 'entry',
modules: false
}
]]
};
const rollupConfig = {
plugins: [
babel( babelConfig ),
resolve(),
commonjs(),
terser()
]
};
// Our ES module bundle only needs to support modern
// browser features
const babelConfigESM = JSON.parse( JSON.stringify( babelConfig ) );
babelConfigESM.presets[0][1].targets = { esmodules: true };
const rollupConfigESM = {
plugins: [
babel( babelConfigESM ),
resolve(),
commonjs(),
terser()
]
};
// Creates a bundle with broad browser support, exposed
// as UMD
gulp.task('js-es5', () => {
return rollup({
input: 'js/index.js',
...rollupConfig
}).then( bundle => {
return bundle.write({
name: 'Reveal',
file: './dist/reveal.js',
format: 'umd',
banner: banner,
sourcemap: true
});
});
})
// Creates an ES module bundle
gulp.task('js-es6', () => {
return rollup({
input: 'js/index.js',
...rollupConfigESM
}).then( bundle => {
return bundle.write({
file: './dist/reveal.esm.js',
format: 'es',
banner: banner,
sourcemap: true
});
});
})
gulp.task('js', gulp.parallel('js-es5', 'js-es6'));
// Creates a UMD and ES module bundle for each of our
// built-in plugins
gulp.task('plugins', () => {
return Promise.all([
{ name: 'RevealHighlight', input: './plugin/highlight/plugin.js', output: './plugin/highlight/highlight' },
{ name: 'RevealMarkdown', input: './plugin/markdown/plugin.js', output: './plugin/markdown/markdown' },
{ name: 'RevealSearch', input: './plugin/search/plugin.js', output: './plugin/search/search' },
{ name: 'RevealNotes', input: './plugin/notes/plugin.js', output: './plugin/notes/notes' },
{ name: 'RevealZoom', input: './plugin/zoom/plugin.js', output: './plugin/zoom/zoom' },
{ name: 'RevealMath', input: './plugin/math/plugin.js', output: './plugin/math/math' },
].map( plugin => {
return rollup({
input: plugin.input,
...rollupConfig
}).then( bundle => {
bundle.write({
file: plugin.output + '.esm.js',
name: plugin.name,
format: 'es'
})
bundle.write({
file: plugin.output + '.js',
name: plugin.name,
format: 'umd'
})
});
} ));
})
gulp.task('css-themes', () => gulp.src(['./css/theme/source/*.{sass,scss}'])
.pipe(sass())
.pipe(gulp.dest('./dist/theme')))
gulp.task('css-core', () => gulp.src(['css/reveal.scss'])
.pipe(sass())
.pipe(autoprefixer())
.pipe(minify({compatibility: 'ie9'}))
.pipe(header(banner))
.pipe(gulp.dest('./dist')))
gulp.task('css', gulp.parallel('css-themes', 'css-core'))
gulp.task('qunit', () => {
let serverConfig = {
root,
port: 8009,
host: '0.0.0.0',
name: 'test-server'
}
let server = connect.server( serverConfig )
let testFiles = glob.sync('test/*.html' )
let totalTests = 0;
let failingTests = 0;
let tests = Promise.all( testFiles.map( filename => {
return new Promise( ( resolve, reject ) => {
qunit.runQunitPuppeteer({
targetUrl: `http://${serverConfig.host}:${serverConfig.port}/${filename}`,
timeout: 20000,
redirectConsole: false,
puppeteerArgs: ['--allow-file-access-from-files']
})
.then(result => {
if( result.stats.failed > 0 ) {
console.log(`${'!'} ${filename} [${result.stats.passed}/${result.stats.total}] in ${result.stats.runtime}ms`.red);
// qunit.printResultSummary(result, console);
qunit.printFailedTests(result, console);
}
else {
console.log(`${'✔'} ${filename} [${result.stats.passed}/${result.stats.total}] in ${result.stats.runtime}ms`.green);
}
totalTests += result.stats.total;
failingTests += result.stats.failed;
resolve();
})
.catch(error => {
console.error(error);
reject();
});
} )
} ) );
return new Promise( ( resolve, reject ) => {
tests.then( () => {
if( failingTests > 0 ) {
reject( new Error(`${failingTests}/${totalTests} tests failed`.red) );
}
else {
console.log(`${'✔'} Passed ${totalTests} tests`.green.bold);
resolve();
}
} )
.catch( () => {
reject();
} )
.finally( () => {
server.close();
} );
} );
} )
gulp.task('eslint', () => gulp.src(['./js/**', 'gulpfile.js'])
.pipe(eslint())
.pipe(eslint.format()))
gulp.task('test', gulp.series( 'eslint', 'qunit' ))
gulp.task('default', gulp.series(gulp.parallel('js', 'css', 'plugins'), 'test'))
gulp.task('build', gulp.parallel('js', 'css', 'plugins'))
gulp.task('package', gulp.series('default', () =>
gulp.src([
'./index.html',
'./dist/**',
'./lib/**',
'./images/**',
'./plugin/**',
'./**.md'
]).pipe(zip('reveal-js-presentation.zip')).pipe(gulp.dest('./'))
))
gulp.task('serve', () => {
connect.server({
root: root,
port: port,
host: '0.0.0.0',
livereload: true
})
gulp.watch(['js/**'], gulp.series('js', 'test'))
gulp.watch(['plugin/**/plugin.js'], gulp.series('plugins'))
gulp.watch(['test/*.html'], gulp.series('test'))
gulp.watch([
'css/theme/source/*.{sass,scss}',
'css/theme/template/*.{sass,scss}',
], gulp.series('css-themes'))
gulp.watch([
'css/*.scss',
'css/print/*.{sass,scss,css}'
], gulp.series('css-core'))
})

40
index.html
View File

@ -6,21 +6,12 @@
<title>reveal.js</title>
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/black.css">
<link rel="stylesheet" href="dist/reset.css">
<link rel="stylesheet" href="dist/reveal.css">
<link rel="stylesheet" href="dist/theme/black.css" id="theme">
<!-- Theme used for syntax highlighting of code -->
<link rel="stylesheet" href="lib/css/monokai.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!-- Theme used for syntax highlighted code -->
<link rel="stylesheet" href="plugin/highlight/monokai.css" id="highlight-theme">
</head>
<body>
<div class="reveal">
@ -30,20 +21,19 @@
</div>
</div>
<script src="js/reveal.js"></script>
<script src="dist/reveal.js"></script>
<script src="plugin/notes/notes.js"></script>
<script src="plugin/markdown/markdown.js"></script>
<script src="plugin/highlight/highlight.js"></script>
<script>
// More info about config & dependencies:
// - https://github.com/hakimel/reveal.js#configuration
// - https://github.com/hakimel/reveal.js#dependencies
// More info about initialization & config:
// - https://revealjs.netlify.app/initialization/
// - https://revealjs.netlify.app/config/
Reveal.initialize({
hash: true,
dependencies: [
{ src: 'plugin/markdown/marked.js' },
{ src: 'plugin/markdown/markdown.js' },
{ src: 'plugin/highlight/highlight.js' },
{ src: 'plugin/notes/notes.js', async: true }
]
// Learn about plugins: https://revealjs.netlify.app/plugins/
plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ]
});
</script>
</body>

165
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/**
* UI component that lets the use control auto-slide
* playback via play/pause.
*/
export default class Playback {
/**
* @param {HTMLElement} container The component will append
* itself to this
* @param {function} progressCheck A method which will be
* called frequently to get the current playback progress on
* a range of 0-1
*/
constructor( container, progressCheck ) {
// Cosmetics
this.diameter = 100;
this.diameter2 = this.diameter/2;
this.thickness = 6;
// Flags if we are currently playing
this.playing = false;
// Current progress on a 0-1 range
this.progress = 0;
// Used to loop the animation smoothly
this.progressOffset = 1;
this.container = container;
this.progressCheck = progressCheck;
this.canvas = document.createElement( 'canvas' );
this.canvas.className = 'playback';
this.canvas.width = this.diameter;
this.canvas.height = this.diameter;
this.canvas.style.width = this.diameter2 + 'px';
this.canvas.style.height = this.diameter2 + 'px';
this.context = this.canvas.getContext( '2d' );
this.container.appendChild( this.canvas );
this.render();
}
setPlaying( value ) {
const wasPlaying = this.playing;
this.playing = value;
// Start repainting if we weren't already
if( !wasPlaying && this.playing ) {
this.animate();
}
else {
this.render();
}
}
animate() {
const progressBefore = this.progress;
this.progress = this.progressCheck();
// When we loop, offset the progress so that it eases
// smoothly rather than immediately resetting
if( progressBefore > 0.8 && this.progress < 0.2 ) {
this.progressOffset = this.progress;
}
this.render();
if( this.playing ) {
requestAnimationFrame( this.animate.bind( this ) );
}
}
/**
* Renders the current progress and playback state.
*/
render() {
let progress = this.playing ? this.progress : 0,
radius = ( this.diameter2 ) - this.thickness,
x = this.diameter2,
y = this.diameter2,
iconSize = 28;
// Ease towards 1
this.progressOffset += ( 1 - this.progressOffset ) * 0.1;
const endAngle = ( - Math.PI / 2 ) + ( progress * ( Math.PI * 2 ) );
const startAngle = ( - Math.PI / 2 ) + ( this.progressOffset * ( Math.PI * 2 ) );
this.context.save();
this.context.clearRect( 0, 0, this.diameter, this.diameter );
// Solid background color
this.context.beginPath();
this.context.arc( x, y, radius + 4, 0, Math.PI * 2, false );
this.context.fillStyle = 'rgba( 0, 0, 0, 0.4 )';
this.context.fill();
// Draw progress track
this.context.beginPath();
this.context.arc( x, y, radius, 0, Math.PI * 2, false );
this.context.lineWidth = this.thickness;
this.context.strokeStyle = 'rgba( 255, 255, 255, 0.2 )';
this.context.stroke();
if( this.playing ) {
// Draw progress on top of track
this.context.beginPath();
this.context.arc( x, y, radius, startAngle, endAngle, false );
this.context.lineWidth = this.thickness;
this.context.strokeStyle = '#fff';
this.context.stroke();
}
this.context.translate( x - ( iconSize / 2 ), y - ( iconSize / 2 ) );
// Draw play/pause icons
if( this.playing ) {
this.context.fillStyle = '#fff';
this.context.fillRect( 0, 0, iconSize / 2 - 4, iconSize );
this.context.fillRect( iconSize / 2 + 4, 0, iconSize / 2 - 4, iconSize );
}
else {
this.context.beginPath();
this.context.translate( 4, 0 );
this.context.moveTo( 0, 0 );
this.context.lineTo( iconSize - 4, iconSize / 2 );
this.context.lineTo( 0, iconSize );
this.context.fillStyle = '#fff';
this.context.fill();
}
this.context.restore();
}
on( type, listener ) {
this.canvas.addEventListener( type, listener, false );
}
off( type, listener ) {
this.canvas.removeEventListener( type, listener, false );
}
destroy() {
this.playing = false;
if( this.canvas.parentNode ) {
this.container.removeChild( this.canvas );
}
}
}

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/**
* The default reveal.js config object.
*/
export default {
// The "normal" size of the presentation, aspect ratio will be preserved
// when the presentation is scaled to fit different resolutions
width: 960,
height: 700,
// Factor of the display size that should remain empty around the content
margin: 0.04,
// Bounds for smallest/largest possible scale to apply to content
minScale: 0.2,
maxScale: 2.0,
// Display presentation control arrows
controls: true,
// Help the user learn the controls by providing hints, for example by
// bouncing the down arrow when they first encounter a vertical slide
controlsTutorial: true,
// Determines where controls appear, "edges" or "bottom-right"
controlsLayout: 'bottom-right',
// Visibility rule for backwards navigation arrows; "faded", "hidden"
// or "visible"
controlsBackArrows: 'faded',
// Display a presentation progress bar
progress: true,
// Display the page number of the current slide
// - true: Show slide number
// - false: Hide slide number
//
// Can optionally be set as a string that specifies the number formatting:
// - "h.v": Horizontal . vertical slide number (default)
// - "h/v": Horizontal / vertical slide number
// - "c": Flattened slide number
// - "c/t": Flattened slide number / total slides
//
// Alternatively, you can provide a function that returns the slide
// number for the current slide. The function should take in a slide
// object and return an array with one string [slideNumber] or
// three strings [n1,delimiter,n2]. See #formatSlideNumber().
slideNumber: false,
// Can be used to limit the contexts in which the slide number appears
// - "all": Always show the slide number
// - "print": Only when printing to PDF
// - "speaker": Only in the speaker view
showSlideNumber: 'all',
// Use 1 based indexing for # links to match slide number (default is zero
// based)
hashOneBasedIndex: false,
// Add the current slide number to the URL hash so that reloading the
// page/copying the URL will return you to the same slide
hash: false,
// Flags if we should monitor the hash and change slides accordingly
respondToHashChanges: true,
// Push each slide change to the browser history. Implies `hash: true`
history: false,
// Enable keyboard shortcuts for navigation
keyboard: true,
// Optional function that blocks keyboard events when retuning false
//
// If you set this to 'foucsed', we will only capture keyboard events
// for embdedded decks when they are in focus
keyboardCondition: null,
// Disables the default reveal.js slide layout (scaling and centering)
// so that you can use custom CSS layout
disableLayout: false,
// Enable the slide overview mode
overview: true,
// Vertical centering of slides
center: true,
// Enables touch navigation on devices with touch input
touch: true,
// Loop the presentation
loop: false,
// Change the presentation direction to be RTL
rtl: false,
// Changes the behavior of our navigation directions.
//
// "default"
// Left/right arrow keys step between horizontal slides, up/down
// arrow keys step between vertical slides. Space key steps through
// all slides (both horizontal and vertical).
//
// "linear"
// Removes the up/down arrows. Left/right arrows step through all
// slides (both horizontal and vertical).
//
// "grid"
// When this is enabled, stepping left/right from a vertical stack
// to an adjacent vertical stack will land you at the same vertical
// index.
//
// Consider a deck with six slides ordered in two vertical stacks:
// 1.1 2.1
// 1.2 2.2
// 1.3 2.3
//
// If you're on slide 1.3 and navigate right, you will normally move
// from 1.3 -> 2.1. If "grid" is used, the same navigation takes you
// from 1.3 -> 2.3.
navigationMode: 'default',
// Randomizes the order of slides each time the presentation loads
shuffle: false,
// Turns fragments on and off globally
fragments: true,
// Flags whether to include the current fragment in the URL,
// so that reloading brings you to the same fragment position
fragmentInURL: true,
// Flags if the presentation is running in an embedded mode,
// i.e. contained within a limited portion of the screen
embedded: false,
// Flags if we should show a help overlay when the question-mark
// key is pressed
help: true,
// Flags if it should be possible to pause the presentation (blackout)
pause: true,
// Flags if speaker notes should be visible to all viewers
showNotes: false,
// Global override for autolaying embedded media (video/audio/iframe)
// - null: Media will only autoplay if data-autoplay is present
// - true: All media will autoplay, regardless of individual setting
// - false: No media will autoplay, regardless of individual setting
autoPlayMedia: null,
// Global override for preloading lazy-loaded iframes
// - null: Iframes with data-src AND data-preload will be loaded when within
// the viewDistance, iframes with only data-src will be loaded when visible
// - true: All iframes with data-src will be loaded when within the viewDistance
// - false: All iframes with data-src will be loaded only when visible
preloadIframes: null,
// Can be used to globally disable auto-animation
autoAnimate: true,
// Optionally provide a custom element matcher that will be
// used to dictate which elements we can animate between.
autoAnimateMatcher: null,
// Default settings for our auto-animate transitions, can be
// overridden per-slide or per-element via data arguments
autoAnimateEasing: 'ease',
autoAnimateDuration: 1.0,
autoAnimateUnmatched: true,
// CSS properties that can be auto-animated. Position & scale
// is matched separately so there's no need to include styles
// like top/right/bottom/left, width/height or margin.
autoAnimateStyles: [
'opacity',
'color',
'background-color',
'padding',
'font-size',
'line-height',
'letter-spacing',
'border-width',
'border-color',
'border-radius',
'outline',
'outline-offset'
],
// Controls automatic progression to the next slide
// - 0: Auto-sliding only happens if the data-autoslide HTML attribute
// is present on the current slide or fragment
// - 1+: All slides will progress automatically at the given interval
// - false: No auto-sliding, even if data-autoslide is present
autoSlide: 0,
// Stop auto-sliding after user input
autoSlideStoppable: true,
// Use this method for navigation when auto-sliding (defaults to navigateNext)
autoSlideMethod: null,
// Specify the average time in seconds that you think you will spend
// presenting each slide. This is used to show a pacing timer in the
// speaker view
defaultTiming: null,
// Enable slide navigation via mouse wheel
mouseWheel: false,
// Opens links in an iframe preview overlay
// Add `data-preview-link` and `data-preview-link="false"` to customise each link
// individually
previewLinks: false,
// Exposes the reveal.js API through window.postMessage
postMessage: true,
// Dispatches all reveal.js events to the parent window through postMessage
postMessageEvents: false,
// Focuses body when page changes visibility to ensure keyboard shortcuts work
focusBodyOnPageVisibilityChange: true,
// Transition style
transition: 'slide', // none/fade/slide/convex/concave/zoom
// Transition speed
transitionSpeed: 'default', // default/fast/slow
// Transition style for full page slide backgrounds
backgroundTransition: 'fade', // none/fade/slide/convex/concave/zoom
// Parallax background image
parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg"
// Parallax background size
parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px"
// Parallax background repeat
parallaxBackgroundRepeat: '', // repeat/repeat-x/repeat-y/no-repeat/initial/inherit
// Parallax background position
parallaxBackgroundPosition: '', // CSS syntax, e.g. "top left"
// Amount of pixels to move the parallax background per slide step
parallaxBackgroundHorizontal: null,
parallaxBackgroundVertical: null,
// The maximum number of pages a single slide can expand onto when printing
// to PDF, unlimited by default
pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
// Prints each fragment on a separate slide
pdfSeparateFragments: true,
// Offset used to reduce the height of content within exported PDF pages.
// This exists to account for environment differences based on how you
// print to PDF. CLI printing options, like phantomjs and wkpdf, can end
// on precisely the total height of the document whereas in-browser
// printing has to end one pixel before.
pdfPageHeightOffset: -1,
// Number of slides away from the current that are visible
viewDistance: 3,
// Number of slides away from the current that are visible on mobile
// devices. It is advisable to set this to a lower number than
// viewDistance in order to save resources.
mobileViewDistance: 2,
// The display mode that will be used to show slides
display: 'block',
// Hide cursor if inactive
hideInactiveCursor: true,
// Time before the cursor is hidden (in ms)
hideCursorTime: 5000,
// Script dependencies to load
dependencies: [],
// Plugin objects to register and use for this presentation
plugins: []
}

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import { queryAll, extend, createStyleSheet } from '../utils/util.js'
import { FRAGMENT_STYLE_REGEX } from '../utils/constants.js'
/**
* Automatically animates matching elements across
* slides with the [data-auto-animate] attribute.
*/
export default class AutoAnimate {
constructor( Reveal ) {
this.Reveal = Reveal;
// Counter used to generate unique IDs for auto-animated elements
this.autoAnimateCounter = 0;
}
/**
* Runs an auto-animation between the given slides.
*
* @param {HTMLElement} fromSlide
* @param {HTMLElement} toSlide
*/
run( fromSlide, toSlide ) {
// Clean up after prior animations
this.reset();
// Ensure that both slides are auto-animate targets
if( fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' ) ) {
// Create a new auto-animate sheet
this.autoAnimateStyleSheet = this.autoAnimateStyleSheet || createStyleSheet();
let animationOptions = this.getAutoAnimateOptions( toSlide );
// Set our starting state
fromSlide.dataset.autoAnimate = 'pending';
toSlide.dataset.autoAnimate = 'pending';
// Flag the navigation direction, needed for fragment buildup
let allSlides = this.Reveal.getSlides();
animationOptions.slideDirection = allSlides.indexOf( toSlide ) > allSlides.indexOf( fromSlide ) ? 'forward' : 'backward';
// Inject our auto-animate styles for this transition
let css = this.getAutoAnimatableElements( fromSlide, toSlide ).map( elements => {
return this.autoAnimateElements( elements.from, elements.to, elements.options || {}, animationOptions, this.autoAnimateCounter++ );
} );
// Animate unmatched elements, if enabled
if( toSlide.dataset.autoAnimateUnmatched !== 'false' && this.Reveal.getConfig().autoAnimateUnmatched === true ) {
// Our default timings for unmatched elements
let defaultUnmatchedDuration = animationOptions.duration * 0.8,
defaultUnmatchedDelay = animationOptions.duration * 0.2;
this.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => {
let unmatchedOptions = this.getAutoAnimateOptions( unmatchedElement, animationOptions );
let id = 'unmatched';
// If there is a duration or delay set specifically for this
// element our unmatched elements should adhere to those
if( unmatchedOptions.duration !== animationOptions.duration || unmatchedOptions.delay !== animationOptions.delay ) {
id = 'unmatched-' + this.autoAnimateCounter++;
css.push( `[data-auto-animate="running"] [data-auto-animate-target="${id}"] { transition: opacity ${unmatchedOptions.duration}s ease ${unmatchedOptions.delay}s; }` );
}
unmatchedElement.dataset.autoAnimateTarget = id;
}, this );
// Our default transition for unmatched elements
css.push( `[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${defaultUnmatchedDuration}s ease ${defaultUnmatchedDelay}s; }` );
}
// Setting the whole chunk of CSS at once is the most
// efficient way to do this. Using sheet.insertRule
// is multiple factors slower.
this.autoAnimateStyleSheet.innerHTML = css.join( '' );
// Start the animation next cycle
requestAnimationFrame( () => {
if( this.autoAnimateStyleSheet ) {
// This forces our newly injected styles to be applied in Firefox
getComputedStyle( this.autoAnimateStyleSheet ).fontWeight;
toSlide.dataset.autoAnimate = 'running';
}
} );
this.Reveal.dispatchEvent({
type: 'autoanimate',
data: {
fromSlide,
toSlide,
sheet: this.autoAnimateStyleSheet
}
});
}
}
/**
* Rolls back all changes that we've made to the DOM so
* that as part of animating.
*/
reset() {
// Reset slides
queryAll( this.Reveal.getRevealElement(), '[data-auto-animate]:not([data-auto-animate=""])' ).forEach( element => {
element.dataset.autoAnimate = '';
} );
// Reset elements
queryAll( this.Reveal.getRevealElement(), '[data-auto-animate-target]' ).forEach( element => {
delete element.dataset.autoAnimateTarget;
} );
// Remove the animation sheet
if( this.autoAnimateStyleSheet && this.autoAnimateStyleSheet.parentNode ) {
this.autoAnimateStyleSheet.parentNode.removeChild( this.autoAnimateStyleSheet );
this.autoAnimateStyleSheet = null;
}
}
/**
* Creates a FLIP animation where the `to` element starts out
* in the `from` element position and animates to its original
* state.
*
* @param {HTMLElement} from
* @param {HTMLElement} to
* @param {Object} elementOptions Options for this element pair
* @param {Object} animationOptions Options set at the slide level
* @param {String} id Unique ID that we can use to identify this
* auto-animate element in the DOM
*/
autoAnimateElements( from, to, elementOptions, animationOptions, id ) {
// 'from' elements are given a data-auto-animate-target with no value,
// 'to' elements are are given a data-auto-animate-target with an ID
from.dataset.autoAnimateTarget = '';
to.dataset.autoAnimateTarget = id;
// Each element may override any of the auto-animate options
// like transition easing, duration and delay via data-attributes
let options = this.getAutoAnimateOptions( to, animationOptions );
// If we're using a custom element matcher the element options
// may contain additional transition overrides
if( typeof elementOptions.delay !== 'undefined' ) options.delay = elementOptions.delay;
if( typeof elementOptions.duration !== 'undefined' ) options.duration = elementOptions.duration;
if( typeof elementOptions.easing !== 'undefined' ) options.easing = elementOptions.easing;
let fromProps = this.getAutoAnimatableProperties( 'from', from, elementOptions ),
toProps = this.getAutoAnimatableProperties( 'to', to, elementOptions );
// Maintain fragment visibility for matching elements when
// we're navigating forwards, this way the viewer won't need
// to step through the same fragments twice
if( to.classList.contains( 'fragment' ) ) {
// Don't auto-animate the opacity of fragments to avoid
// conflicts with fragment animations
delete toProps.styles['opacity'];
if( from.classList.contains( 'fragment' ) ) {
let fromFragmentStyle = ( from.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0];
let toFragmentStyle = ( to.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0];
// Only skip the fragment if the fragment animation style
// remains unchanged
if( fromFragmentStyle === toFragmentStyle && animationOptions.slideDirection === 'forward' ) {
to.classList.add( 'visible', 'disabled' );
}
}
}
// If translation and/or scaling are enabled, css transform
// the 'to' element so that it matches the position and size
// of the 'from' element
if( elementOptions.translate !== false || elementOptions.scale !== false ) {
let presentationScale = this.Reveal.getScale();
let delta = {
x: ( fromProps.x - toProps.x ) / presentationScale,
y: ( fromProps.y - toProps.y ) / presentationScale,
scaleX: fromProps.width / toProps.width,
scaleY: fromProps.height / toProps.height
};
// Limit decimal points to avoid 0.0001px blur and stutter
delta.x = Math.round( delta.x * 1000 ) / 1000;
delta.y = Math.round( delta.y * 1000 ) / 1000;
delta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;
delta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;
let translate = elementOptions.translate !== false && ( delta.x !== 0 || delta.y !== 0 ),
scale = elementOptions.scale !== false && ( delta.scaleX !== 0 || delta.scaleY !== 0 );
// No need to transform if nothing's changed
if( translate || scale ) {
let transform = [];
if( translate ) transform.push( `translate(${delta.x}px, ${delta.y}px)` );
if( scale ) transform.push( `scale(${delta.scaleX}, ${delta.scaleY})` );
fromProps.styles['transform'] = transform.join( ' ' );
fromProps.styles['transform-origin'] = 'top left';
toProps.styles['transform'] = 'none';
}
}
// Delete all unchanged 'to' styles
for( let propertyName in toProps.styles ) {
const toValue = toProps.styles[propertyName];
const fromValue = fromProps.styles[propertyName];
if( toValue === fromValue ) {
delete toProps.styles[propertyName];
}
else {
// If these property values were set via a custom matcher providing
// an explicit 'from' and/or 'to' value, we always inject those values.
if( toValue.explicitValue === true ) {
toProps.styles[propertyName] = toValue.value;
}
if( fromValue.explicitValue === true ) {
fromProps.styles[propertyName] = fromValue.value;
}
}
}
let css = '';
let toStyleProperties = Object.keys( toProps.styles );
// Only create animate this element IF at least one style
// property has changed
if( toStyleProperties.length > 0 ) {
// Instantly move to the 'from' state
fromProps.styles['transition'] = 'none';
// Animate towards the 'to' state
toProps.styles['transition'] = `all ${options.duration}s ${options.easing} ${options.delay}s`;
toProps.styles['transition-property'] = toStyleProperties.join( ', ' );
toProps.styles['will-change'] = toStyleProperties.join( ', ' );
// Build up our custom CSS. We need to override inline styles
// so we need to make our styles vErY IMPORTANT!1!!
let fromCSS = Object.keys( fromProps.styles ).map( propertyName => {
return propertyName + ': ' + fromProps.styles[propertyName] + ' !important;';
} ).join( '' );
let toCSS = Object.keys( toProps.styles ).map( propertyName => {
return propertyName + ': ' + toProps.styles[propertyName] + ' !important;';
} ).join( '' );
css = '[data-auto-animate-target="'+ id +'"] {'+ fromCSS +'}' +
'[data-auto-animate="running"] [data-auto-animate-target="'+ id +'"] {'+ toCSS +'}';
}
return css;
}
/**
* Returns the auto-animate options for the given element.
*
* @param {HTMLElement} element Element to pick up options
* from, either a slide or an animation target
* @param {Object} [inheritedOptions] Optional set of existing
* options
*/
getAutoAnimateOptions( element, inheritedOptions ) {
let options = {
easing: this.Reveal.getConfig().autoAnimateEasing,
duration: this.Reveal.getConfig().autoAnimateDuration,
delay: 0
};
options = extend( options, inheritedOptions );
// Inherit options from parent elements
if( element.closest && element.parentNode ) {
let autoAnimatedParent = element.parentNode.closest( '[data-auto-animate-target]' );
if( autoAnimatedParent ) {
options = this.getAutoAnimateOptions( autoAnimatedParent, options );
}
}
if( element.dataset.autoAnimateEasing ) {
options.easing = element.dataset.autoAnimateEasing;
}
if( element.dataset.autoAnimateDuration ) {
options.duration = parseFloat( element.dataset.autoAnimateDuration );
}
if( element.dataset.autoAnimateDelay ) {
options.delay = parseFloat( element.dataset.autoAnimateDelay );
}
return options;
}
/**
* Returns an object containing all of the properties
* that can be auto-animated for the given element and
* their current computed values.
*
* @param {String} direction 'from' or 'to'
*/
getAutoAnimatableProperties( direction, element, elementOptions ) {
let config = this.Reveal.getConfig();
let properties = { styles: [] };
// Position and size
if( elementOptions.translate !== false || elementOptions.scale !== false ) {
let bounds;
// Custom auto-animate may optionally return a custom tailored
// measurement function
if( typeof elementOptions.measure === 'function' ) {
bounds = elementOptions.measure( element );
}
else {
if( config.center ) {
// More precise, but breaks when used in combination
// with zoom for scaling the deck ¯\_(ツ)_/¯
bounds = element.getBoundingClientRect();
}
else {
let scale = this.Reveal.getScale();
bounds = {
x: element.offsetLeft * scale,
y: element.offsetTop * scale,
width: element.offsetWidth * scale,
height: element.offsetHeight * scale
};
}
}
properties.x = bounds.x;
properties.y = bounds.y;
properties.width = bounds.width;
properties.height = bounds.height;
}
const computedStyles = getComputedStyle( element );
// CSS styles
( elementOptions.styles || config.autoAnimateStyles ).forEach( style => {
let value;
// `style` is either the property name directly, or an object
// definition of a style property
if( typeof style === 'string' ) style = { property: style };
if( typeof style.from !== 'undefined' && direction === 'from' ) {
value = { value: style.from, explicitValue: true };
}
else if( typeof style.to !== 'undefined' && direction === 'to' ) {
value = { value: style.to, explicitValue: true };
}
else {
value = computedStyles[style.property];
}
if( value !== '' ) {
properties.styles[style.property] = value;
}
} );
return properties;
}
/**
* Get a list of all element pairs that we can animate
* between the given slides.
*
* @param {HTMLElement} fromSlide
* @param {HTMLElement} toSlide
*
* @return {Array} Each value is an array where [0] is
* the element we're animating from and [1] is the
* element we're animating to
*/
getAutoAnimatableElements( fromSlide, toSlide ) {
let matcher = typeof this.Reveal.getConfig().autoAnimateMatcher === 'function' ? this.Reveal.getConfig().autoAnimateMatcher : this.getAutoAnimatePairs;
let pairs = matcher.call( this, fromSlide, toSlide );
let reserved = [];
// Remove duplicate pairs
return pairs.filter( ( pair, index ) => {
if( reserved.indexOf( pair.to ) === -1 ) {
reserved.push( pair.to );
return true;
}
} );
}
/**
* Identifies matching elements between slides.
*
* You can specify a custom matcher function by using
* the `autoAnimateMatcher` config option.
*/
getAutoAnimatePairs( fromSlide, toSlide ) {
let pairs = [];
const codeNodes = 'pre';
const textNodes = 'h1, h2, h3, h4, h5, h6, p, li';
const mediaNodes = 'img, video, iframe';
// Eplicit matches via data-id
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, '[data-id]', node => {
return node.nodeName + ':::' + node.getAttribute( 'data-id' );
} );
// Text
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, textNodes, node => {
return node.nodeName + ':::' + node.innerText;
} );
// Media
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, mediaNodes, node => {
return node.nodeName + ':::' + ( node.getAttribute( 'src' ) || node.getAttribute( 'data-src' ) );
} );
// Code
this.findAutoAnimateMatches( pairs, fromSlide, toSlide, codeNodes, node => {
return node.nodeName + ':::' + node.innerText;
} );
pairs.forEach( pair => {
// Disable scale transformations on text nodes, we transiition
// each individual text property instead
if( pair.from.matches( textNodes ) ) {
pair.options = { scale: false };
}
// Animate individual lines of code
else if( pair.from.matches( codeNodes ) ) {
// Transition the code block's width and height instead of scaling
// to prevent its content from being squished
pair.options = { scale: false, styles: [ 'width', 'height' ] };
// Lines of code
this.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-code', node => {
return node.textContent;
}, {
scale: false,
styles: [],
measure: this.getLocalBoundingBox.bind( this )
} );
// Line numbers
this.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-line[data-line-number]', node => {
return node.getAttribute( 'data-line-number' );
}, {
scale: false,
styles: [ 'width' ],
measure: this.getLocalBoundingBox.bind( this )
} );
}
}, this );
return pairs;
}
/**
* Helper method which returns a bounding box based on
* the given elements offset coordinates.
*
* @param {HTMLElement} element
* @return {Object} x, y, width, height
*/
getLocalBoundingBox( element ) {
const presentationScale = this.Reveal.getScale();
return {
x: Math.round( ( element.offsetLeft * presentationScale ) * 100 ) / 100,
y: Math.round( ( element.offsetTop * presentationScale ) * 100 ) / 100,
width: Math.round( ( element.offsetWidth * presentationScale ) * 100 ) / 100,
height: Math.round( ( element.offsetHeight * presentationScale ) * 100 ) / 100
};
}
/**
* Finds matching elements between two slides.
*
* @param {Array} pairs List of pairs to push matches to
* @param {HTMLElement} fromScope Scope within the from element exists
* @param {HTMLElement} toScope Scope within the to element exists
* @param {String} selector CSS selector of the element to match
* @param {Function} serializer A function that accepts an element and returns
* a stringified ID based on its contents
* @param {Object} animationOptions Optional config options for this pair
*/
findAutoAnimateMatches( pairs, fromScope, toScope, selector, serializer, animationOptions ) {
let fromMatches = {};
let toMatches = {};
[].slice.call( fromScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {
const key = serializer( element );
if( typeof key === 'string' && key.length ) {
fromMatches[key] = fromMatches[key] || [];
fromMatches[key].push( element );
}
} );
[].slice.call( toScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {
const key = serializer( element );
toMatches[key] = toMatches[key] || [];
toMatches[key].push( element );
let fromElement;
// Retrieve the 'from' element
if( fromMatches[key] ) {
const pimaryIndex = toMatches[key].length - 1;
const secondaryIndex = fromMatches[key].length - 1;
// If there are multiple identical from elements, retrieve
// the one at the same index as our to-element.
if( fromMatches[key][ pimaryIndex ] ) {
fromElement = fromMatches[key][ pimaryIndex ];
fromMatches[key][ pimaryIndex ] = null;
}
// If there are no matching from-elements at the same index,
// use the last one.
else if( fromMatches[key][ secondaryIndex ] ) {
fromElement = fromMatches[key][ secondaryIndex ];
fromMatches[key][ secondaryIndex ] = null;
}
}
// If we've got a matching pair, push it to the list of pairs
if( fromElement ) {
pairs.push({
from: fromElement,
to: element,
options: animationOptions
});
}
} );
}
/**
* Returns a all elements within the given scope that should
* be considered unmatched in an auto-animate transition. If
* fading of unmatched elements is turned on, these elements
* will fade when going between auto-animate slides.
*
* Note that parents of auto-animate targets are NOT considerd
* unmatched since fading them would break the auto-animation.
*
* @param {HTMLElement} rootElement
* @return {Array}
*/
getUnmatchedAutoAnimateElements( rootElement ) {
return [].slice.call( rootElement.children ).reduce( ( result, element ) => {
const containsAnimatedElements = element.querySelector( '[data-auto-animate-target]' );
// The element is unmatched if
// - It is not an auto-animate target
// - It does not contain any auto-animate targets
if( !element.hasAttribute( 'data-auto-animate-target' ) && !containsAnimatedElements ) {
result.push( element );
}
if( element.querySelector( '[data-auto-animate-target]' ) ) {
result = result.concat( this.getUnmatchedAutoAnimateElements( element ) );
}
return result;
}, [] );
}
}

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import { queryAll } from '../utils/util.js'
import { colorToRgb, colorBrightness } from '../utils/color.js'
/**
* Creates and updates slide backgrounds.
*/
export default class Backgrounds {
constructor( Reveal ) {
this.Reveal = Reveal;
}
render() {
this.element = document.createElement( 'div' );
this.element.className = 'backgrounds';
this.Reveal.getRevealElement().appendChild( this.element );
}
/**
* Creates the slide background elements and appends them
* to the background container. One element is created per
* slide no matter if the given slide has visible background.
*/
create() {
let printMode = this.Reveal.isPrintingPDF();
// Clear prior backgrounds
this.element.innerHTML = '';
this.element.classList.add( 'no-transition' );
// Iterate over all horizontal slides
this.Reveal.getHorizontalSlides().forEach( slideh => {
let backgroundStack = this.createBackground( slideh, this.element );
// Iterate over all vertical slides
queryAll( slideh, 'section' ).forEach( slidev => {
this.createBackground( slidev, backgroundStack );
backgroundStack.classList.add( 'stack' );
} );
} );
// Add parallax background if specified
if( this.Reveal.getConfig().parallaxBackgroundImage ) {
this.element.style.backgroundImage = 'url("' + this.Reveal.getConfig().parallaxBackgroundImage + '")';
this.element.style.backgroundSize = this.Reveal.getConfig().parallaxBackgroundSize;
this.element.style.backgroundRepeat = this.Reveal.getConfig().parallaxBackgroundRepeat;
this.element.style.backgroundPosition = this.Reveal.getConfig().parallaxBackgroundPosition;
// Make sure the below properties are set on the element - these properties are
// needed for proper transitions to be set on the element via CSS. To remove
// annoying background slide-in effect when the presentation starts, apply
// these properties after short time delay
setTimeout( () => {
this.Reveal.getRevealElement().classList.add( 'has-parallax-background' );
}, 1 );
}
else {
this.element.style.backgroundImage = '';
this.Reveal.getRevealElement().classList.remove( 'has-parallax-background' );
}
}
/**
* Creates a background for the given slide.
*
* @param {HTMLElement} slide
* @param {HTMLElement} container The element that the background
* should be appended to
* @return {HTMLElement} New background div
*/
createBackground( slide, container ) {
// Main slide background element
let element = document.createElement( 'div' );
element.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );
// Inner background element that wraps images/videos/iframes
let contentElement = document.createElement( 'div' );
contentElement.className = 'slide-background-content';
element.appendChild( contentElement );
container.appendChild( element );
slide.slideBackgroundElement = element;
slide.slideBackgroundContentElement = contentElement;
// Syncs the background to reflect all current background settings
this.sync( slide );
return element;
}
/**
* Renders all of the visual properties of a slide background
* based on the various background attributes.
*
* @param {HTMLElement} slide
*/
sync( slide ) {
let element = slide.slideBackgroundElement,
contentElement = slide.slideBackgroundContentElement;
// Reset the prior background state in case this is not the
// initial sync
slide.classList.remove( 'has-dark-background' );
slide.classList.remove( 'has-light-background' );
element.removeAttribute( 'data-loaded' );
element.removeAttribute( 'data-background-hash' );
element.removeAttribute( 'data-background-size' );
element.removeAttribute( 'data-background-transition' );
element.style.backgroundColor = '';
contentElement.style.backgroundSize = '';
contentElement.style.backgroundRepeat = '';
contentElement.style.backgroundPosition = '';
contentElement.style.backgroundImage = '';
contentElement.style.opacity = '';
contentElement.innerHTML = '';
let data = {
background: slide.getAttribute( 'data-background' ),
backgroundSize: slide.getAttribute( 'data-background-size' ),
backgroundImage: slide.getAttribute( 'data-background-image' ),
backgroundVideo: slide.getAttribute( 'data-background-video' ),
backgroundIframe: slide.getAttribute( 'data-background-iframe' ),
backgroundColor: slide.getAttribute( 'data-background-color' ),
backgroundRepeat: slide.getAttribute( 'data-background-repeat' ),
backgroundPosition: slide.getAttribute( 'data-background-position' ),
backgroundTransition: slide.getAttribute( 'data-background-transition' ),
backgroundOpacity: slide.getAttribute( 'data-background-opacity' )
};
if( data.background ) {
// Auto-wrap image urls in url(...)
if( /^(http|file|\/\/)/gi.test( data.background ) || /\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test( data.background ) ) {
slide.setAttribute( 'data-background-image', data.background );
}
else {
element.style.background = data.background;
}
}
// Create a hash for this combination of background settings.
// This is used to determine when two slide backgrounds are
// the same.
if( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) {
element.setAttribute( 'data-background-hash', data.background +
data.backgroundSize +
data.backgroundImage +
data.backgroundVideo +
data.backgroundIframe +
data.backgroundColor +
data.backgroundRepeat +
data.backgroundPosition +
data.backgroundTransition +
data.backgroundOpacity );
}
// Additional and optional background properties
if( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize );
if( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;
if( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );
if( slide.hasAttribute( 'data-preload' ) ) element.setAttribute( 'data-preload', '' );
// Background image options are set on the content wrapper
if( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;
if( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat;
if( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition;
if( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity;
// If this slide has a background color, we add a class that
// signals if it is light or dark. If the slide has no background
// color, no class will be added
let contrastColor = data.backgroundColor;
// If no bg color was found, check the computed background
if( !contrastColor ) {
let computedBackgroundStyle = window.getComputedStyle( element );
if( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) {
contrastColor = computedBackgroundStyle.backgroundColor;
}
}
if( contrastColor ) {
let rgb = colorToRgb( contrastColor );
// Ignore fully transparent backgrounds. Some browsers return
// rgba(0,0,0,0) when reading the computed background color of
// an element with no background
if( rgb && rgb.a !== 0 ) {
if( colorBrightness( contrastColor ) < 128 ) {
slide.classList.add( 'has-dark-background' );
}
else {
slide.classList.add( 'has-light-background' );
}
}
}
}
/**
* Updates the background elements to reflect the current
* slide.
*
* @param {boolean} includeAll If true, the backgrounds of
* all vertical slides (not just the present) will be updated.
*/
update( includeAll = false ) {
let currentSlide = this.Reveal.getCurrentSlide();
let indices = this.Reveal.getIndices();
let currentBackground = null;
// Reverse past/future classes when in RTL mode
let horizontalPast = this.Reveal.getConfig().rtl ? 'future' : 'past',
horizontalFuture = this.Reveal.getConfig().rtl ? 'past' : 'future';
// Update the classes of all backgrounds to match the
// states of their slides (past/present/future)
Array.from( this.element.childNodes ).forEach( ( backgroundh, h ) => {
backgroundh.classList.remove( 'past', 'present', 'future' );
if( h < indices.h ) {
backgroundh.classList.add( horizontalPast );
}
else if ( h > indices.h ) {
backgroundh.classList.add( horizontalFuture );
}
else {
backgroundh.classList.add( 'present' );
// Store a reference to the current background element
currentBackground = backgroundh;
}
if( includeAll || h === indices.h ) {
queryAll( backgroundh, '.slide-background' ).forEach( ( backgroundv, v ) => {
backgroundv.classList.remove( 'past', 'present', 'future' );
if( v < indices.v ) {
backgroundv.classList.add( 'past' );
}
else if ( v > indices.v ) {
backgroundv.classList.add( 'future' );
}
else {
backgroundv.classList.add( 'present' );
// Only if this is the present horizontal and vertical slide
if( h === indices.h ) currentBackground = backgroundv;
}
} );
}
} );
// Stop content inside of previous backgrounds
if( this.previousBackground ) {
this.Reveal.slideContent.stopEmbeddedContent( this.previousBackground, { unloadIframes: !this.Reveal.slideContent.shouldPreload( this.previousBackground ) } );
}
// Start content in the current background
if( currentBackground ) {
this.Reveal.slideContent.startEmbeddedContent( currentBackground );
let currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' );
if( currentBackgroundContent ) {
let backgroundImageURL = currentBackgroundContent.style.backgroundImage || '';
// Restart GIFs (doesn't work in Firefox)
if( /\.gif/i.test( backgroundImageURL ) ) {
currentBackgroundContent.style.backgroundImage = '';
window.getComputedStyle( currentBackgroundContent ).opacity;
currentBackgroundContent.style.backgroundImage = backgroundImageURL;
}
}
// Don't transition between identical backgrounds. This
// prevents unwanted flicker.
let previousBackgroundHash = this.previousBackground ? this.previousBackground.getAttribute( 'data-background-hash' ) : null;
let currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' );
if( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== this.previousBackground ) {
this.element.classList.add( 'no-transition' );
}
this.previousBackground = currentBackground;
}
// If there's a background brightness flag for this slide,
// bubble it to the .reveal container
if( currentSlide ) {
[ 'has-light-background', 'has-dark-background' ].forEach( classToBubble => {
if( currentSlide.classList.contains( classToBubble ) ) {
this.Reveal.getRevealElement().classList.add( classToBubble );
}
else {
this.Reveal.getRevealElement().classList.remove( classToBubble );
}
}, this );
}
// Allow the first background to apply without transition
setTimeout( () => {
this.element.classList.remove( 'no-transition' );
}, 1 );
}
/**
* Updates the position of the parallax background based
* on the current slide index.
*/
updateParallax() {
let indices = this.Reveal.getIndices();
if( this.Reveal.getConfig().parallaxBackgroundImage ) {
let horizontalSlides = this.Reveal.getHorizontalSlides(),
verticalSlides = this.Reveal.getVerticalSlides();
let backgroundSize = this.element.style.backgroundSize.split( ' ' ),
backgroundWidth, backgroundHeight;
if( backgroundSize.length === 1 ) {
backgroundWidth = backgroundHeight = parseInt( backgroundSize[0], 10 );
}
else {
backgroundWidth = parseInt( backgroundSize[0], 10 );
backgroundHeight = parseInt( backgroundSize[1], 10 );
}
let slideWidth = this.element.offsetWidth,
horizontalSlideCount = horizontalSlides.length,
horizontalOffsetMultiplier,
horizontalOffset;
if( typeof this.Reveal.getConfig().parallaxBackgroundHorizontal === 'number' ) {
horizontalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundHorizontal;
}
else {
horizontalOffsetMultiplier = horizontalSlideCount > 1 ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0;
}
horizontalOffset = horizontalOffsetMultiplier * indices.h * -1;
let slideHeight = this.element.offsetHeight,
verticalSlideCount = verticalSlides.length,
verticalOffsetMultiplier,
verticalOffset;
if( typeof this.Reveal.getConfig().parallaxBackgroundVertical === 'number' ) {
verticalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundVertical;
}
else {
verticalOffsetMultiplier = ( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 );
}
verticalOffset = verticalSlideCount > 0 ? verticalOffsetMultiplier * indices.v : 0;
this.element.style.backgroundPosition = horizontalOffset + 'px ' + -verticalOffset + 'px';
}
}
}

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import { queryAll } from '../utils/util.js'
import { isAndroid } from '../utils/device.js'
/**
* Manages our presentation controls. This includes both
* the built-in control arrows as well as event monitoring
* of any elements within the presentation with either of the
* following helper classes:
* - .navigate-up
* - .navigate-right
* - .navigate-down
* - .navigate-left
* - .navigate-next
* - .navigate-prev
*/
export default class Controls {
constructor( Reveal ) {
this.Reveal = Reveal;
this.onNavigateLeftClicked = this.onNavigateLeftClicked.bind( this );
this.onNavigateRightClicked = this.onNavigateRightClicked.bind( this );
this.onNavigateUpClicked = this.onNavigateUpClicked.bind( this );
this.onNavigateDownClicked = this.onNavigateDownClicked.bind( this );
this.onNavigatePrevClicked = this.onNavigatePrevClicked.bind( this );
this.onNavigateNextClicked = this.onNavigateNextClicked.bind( this );
}
render() {
const rtl = this.Reveal.getConfig().rtl;
const revealElement = this.Reveal.getRevealElement();
this.element = document.createElement( 'aside' );
this.element.className = 'controls';
this.element.innerHTML =
`<button class="navigate-left" aria-label="${ rtl ? 'next slide' : 'previous slide' }"><div class="controls-arrow"></div></button>
<button class="navigate-right" aria-label="${ rtl ? 'previous slide' : 'next slide' }"><div class="controls-arrow"></div></button>
<button class="navigate-up" aria-label="above slide"><div class="controls-arrow"></div></button>
<button class="navigate-down" aria-label="below slide"><div class="controls-arrow"></div></button>`;
this.Reveal.getRevealElement().appendChild( this.element );
// There can be multiple instances of controls throughout the page
this.controlsLeft = queryAll( revealElement, '.navigate-left' );
this.controlsRight = queryAll( revealElement, '.navigate-right' );
this.controlsUp = queryAll( revealElement, '.navigate-up' );
this.controlsDown = queryAll( revealElement, '.navigate-down' );
this.controlsPrev = queryAll( revealElement, '.navigate-prev' );
this.controlsNext = queryAll( revealElement, '.navigate-next' );
// The left, right and down arrows in the standard reveal.js controls
this.controlsRightArrow = this.element.querySelector( '.navigate-right' );
this.controlsLeftArrow = this.element.querySelector( '.navigate-left' );
this.controlsDownArrow = this.element.querySelector( '.navigate-down' );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
this.element.style.display = config.controls ? 'block' : 'none';
this.element.setAttribute( 'data-controls-layout', config.controlsLayout );
this.element.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows );
}
bind() {
// Listen to both touch and click events, in case the device
// supports both
let pointerEvents = [ 'touchstart', 'click' ];
// Only support touch for Android, fixes double navigations in
// stock browser
if( isAndroid ) {
pointerEvents = [ 'touchstart' ];
}
pointerEvents.forEach( eventName => {
this.controlsLeft.forEach( el => el.addEventListener( eventName, this.onNavigateLeftClicked, false ) );
this.controlsRight.forEach( el => el.addEventListener( eventName, this.onNavigateRightClicked, false ) );
this.controlsUp.forEach( el => el.addEventListener( eventName, this.onNavigateUpClicked, false ) );
this.controlsDown.forEach( el => el.addEventListener( eventName, this.onNavigateDownClicked, false ) );
this.controlsPrev.forEach( el => el.addEventListener( eventName, this.onNavigatePrevClicked, false ) );
this.controlsNext.forEach( el => el.addEventListener( eventName, this.onNavigateNextClicked, false ) );
} );
}
unbind() {
[ 'touchstart', 'click' ].forEach( eventName => {
this.controlsLeft.forEach( el => el.removeEventListener( eventName, this.onNavigateLeftClicked, false ) );
this.controlsRight.forEach( el => el.removeEventListener( eventName, this.onNavigateRightClicked, false ) );
this.controlsUp.forEach( el => el.removeEventListener( eventName, this.onNavigateUpClicked, false ) );
this.controlsDown.forEach( el => el.removeEventListener( eventName, this.onNavigateDownClicked, false ) );
this.controlsPrev.forEach( el => el.removeEventListener( eventName, this.onNavigatePrevClicked, false ) );
this.controlsNext.forEach( el => el.removeEventListener( eventName, this.onNavigateNextClicked, false ) );
} );
}
/**
* Updates the state of all control/navigation arrows.
*/
update() {
let routes = this.Reveal.availableRoutes();
// Remove the 'enabled' class from all directions
[...this.controlsLeft, ...this.controlsRight, ...this.controlsUp, ...this.controlsDown, ...this.controlsPrev, ...this.controlsNext].forEach( node => {
node.classList.remove( 'enabled', 'fragmented' );
// Set 'disabled' attribute on all directions
node.setAttribute( 'disabled', 'disabled' );
} );
// Add the 'enabled' class to the available routes; remove 'disabled' attribute to enable buttons
if( routes.left ) this.controlsLeft.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( routes.right ) this.controlsRight.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( routes.up ) this.controlsUp.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( routes.down ) this.controlsDown.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
// Prev/next buttons
if( routes.left || routes.up ) this.controlsPrev.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( routes.right || routes.down ) this.controlsNext.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );
// Highlight fragment directions
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide ) {
let fragmentsRoutes = this.Reveal.fragments.availableRoutes();
// Always apply fragment decorator to prev/next buttons
if( fragmentsRoutes.prev ) this.controlsPrev.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( fragmentsRoutes.next ) this.controlsNext.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
// Apply fragment decorators to directional buttons based on
// what slide axis they are in
if( this.Reveal.isVerticalSlide( currentSlide ) ) {
if( fragmentsRoutes.prev ) this.controlsUp.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( fragmentsRoutes.next ) this.controlsDown.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
}
else {
if( fragmentsRoutes.prev ) this.controlsLeft.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
if( fragmentsRoutes.next ) this.controlsRight.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );
}
}
if( this.Reveal.getConfig().controlsTutorial ) {
let indices = this.Reveal.getIndices();
// Highlight control arrows with an animation to ensure
// that the viewer knows how to navigate
if( !this.Reveal.hasNavigatedVertically() && routes.down ) {
this.controlsDownArrow.classList.add( 'highlight' );
}
else {
this.controlsDownArrow.classList.remove( 'highlight' );
if( this.Reveal.getConfig().rtl ) {
if( !this.Reveal.hasNavigatedHorizontally() && routes.left && indices.v === 0 ) {
this.controlsLeftArrow.classList.add( 'highlight' );
}
else {
this.controlsLeftArrow.classList.remove( 'highlight' );
}
} else {
if( !this.Reveal.hasNavigatedHorizontally() && routes.right && indices.v === 0 ) {
this.controlsRightArrow.classList.add( 'highlight' );
}
else {
this.controlsRightArrow.classList.remove( 'highlight' );
}
}
}
}
}
/**
* Event handlers for navigation control buttons.
*/
onNavigateLeftClicked( event ) {
event.preventDefault();
this.Reveal.onUserInput();
if( this.Reveal.getConfig().navigationMode === 'linear' ) {
this.Reveal.prev();
}
else {
this.Reveal.left();
}
}
onNavigateRightClicked( event ) {
event.preventDefault();
this.Reveal.onUserInput();
if( this.Reveal.getConfig().navigationMode === 'linear' ) {
this.Reveal.next();
}
else {
this.Reveal.right();
}
}
onNavigateUpClicked( event ) {
event.preventDefault();
this.Reveal.onUserInput();
this.Reveal.up();
}
onNavigateDownClicked( event ) {
event.preventDefault();
this.Reveal.onUserInput();
this.Reveal.down();
}
onNavigatePrevClicked( event ) {
event.preventDefault();
this.Reveal.onUserInput();
this.Reveal.prev();
}
onNavigateNextClicked( event ) {
event.preventDefault();
this.Reveal.onUserInput();
this.Reveal.next();
}
}

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/**
* Manages focus when a presentation is embedded. This
* helps us only capture keyboard from the presentation
* a user is currently interacting with in a page where
* multiple presentations are embedded.
*/
const STATE_FOCUS = 'focus';
const STATE_BLUR = 'blur';
export default class Focus {
constructor( Reveal ) {
this.Reveal = Reveal;
this.onRevealPointerDown = this.onRevealPointerDown.bind( this );
this.onDocumentPointerDown = this.onDocumentPointerDown.bind( this );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
if( config.embedded ) {
this.blur();
}
else {
this.focus();
this.unbind();
}
}
bind() {
if( this.Reveal.getConfig().embedded ) {
this.Reveal.getRevealElement().addEventListener( 'pointerdown', this.onRevealPointerDown, false );
}
}
unbind() {
this.Reveal.getRevealElement().removeEventListener( 'pointerdown', this.onRevealPointerDown, false );
document.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false );
}
focus() {
if( this.state !== STATE_FOCUS ) {
this.Reveal.getRevealElement().classList.add( 'focused' );
document.addEventListener( 'pointerdown', this.onDocumentPointerDown, false );
}
this.state = STATE_FOCUS;
}
blur() {
if( this.state !== STATE_BLUR ) {
this.Reveal.getRevealElement().classList.remove( 'focused' );
document.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false );
}
this.state = STATE_BLUR;
}
isFocused() {
return this.state === STATE_FOCUS;
}
onRevealPointerDown( event ) {
this.focus();
}
onDocumentPointerDown( event ) {
let revealElement = event.target.closest( '.reveal' );
if( !revealElement || revealElement !== this.Reveal.getRevealElement() ) {
this.blur();
}
}
}

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import { extend, queryAll } from '../utils/util.js'
/**
* Handles sorting and navigation of slide fragments.
* Fragments are elements within a slide that are
* revealed/animated incrementally.
*/
export default class Fragments {
constructor( Reveal ) {
this.Reveal = Reveal;
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
if( config.fragments === false ) {
this.disable();
}
else if( oldConfig.fragments === false ) {
this.enable();
}
}
/**
* If fragments are disabled in the deck, they should all be
* visible rather than stepped through.
*/
disable() {
queryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => {
element.classList.add( 'visible' );
element.classList.remove( 'current-fragment' );
} );
}
/**
* Reverse of #disable(). Only called if fragments have
* previously been disabled.
*/
enable() {
queryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => {
element.classList.remove( 'visible' );
element.classList.remove( 'current-fragment' );
} );
}
/**
* Returns an object describing the available fragment
* directions.
*
* @return {{prev: boolean, next: boolean}}
*/
availableRoutes() {
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide && this.Reveal.getConfig().fragments ) {
let fragments = currentSlide.querySelectorAll( '.fragment:not(.disabled)' );
let hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.disabled):not(.visible)' );
return {
prev: fragments.length - hiddenFragments.length > 0,
next: !!hiddenFragments.length
};
}
else {
return { prev: false, next: false };
}
}
/**
* Return a sorted fragments list, ordered by an increasing
* "data-fragment-index" attribute.
*
* Fragments will be revealed in the order that they are returned by
* this function, so you can use the index attributes to control the
* order of fragment appearance.
*
* To maintain a sensible default fragment order, fragments are presumed
* to be passed in document order. This function adds a "fragment-index"
* attribute to each node if such an attribute is not already present,
* and sets that attribute to an integer value which is the position of
* the fragment within the fragments list.
*
* @param {object[]|*} fragments
* @param {boolean} grouped If true the returned array will contain
* nested arrays for all fragments with the same index
* @return {object[]} sorted Sorted array of fragments
*/
sort( fragments, grouped = false ) {
fragments = Array.from( fragments );
let ordered = [],
unordered = [],
sorted = [];
// Group ordered and unordered elements
fragments.forEach( fragment => {
if( fragment.hasAttribute( 'data-fragment-index' ) ) {
let index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );
if( !ordered[index] ) {
ordered[index] = [];
}
ordered[index].push( fragment );
}
else {
unordered.push( [ fragment ] );
}
} );
// Append fragments without explicit indices in their
// DOM order
ordered = ordered.concat( unordered );
// Manually count the index up per group to ensure there
// are no gaps
let index = 0;
// Push all fragments in their sorted order to an array,
// this flattens the groups
ordered.forEach( group => {
group.forEach( fragment => {
sorted.push( fragment );
fragment.setAttribute( 'data-fragment-index', index );
} );
index ++;
} );
return grouped === true ? ordered : sorted;
}
/**
* Sorts and formats all of fragments in the
* presentation.
*/
sortAll() {
this.Reveal.getHorizontalSlides().forEach( horizontalSlide => {
let verticalSlides = queryAll( horizontalSlide, 'section' );
verticalSlides.forEach( ( verticalSlide, y ) => {
this.sort( verticalSlide.querySelectorAll( '.fragment' ) );
}, this );
if( verticalSlides.length === 0 ) this.sort( horizontalSlide.querySelectorAll( '.fragment' ) );
} );
}
/**
* Refreshes the fragments on the current slide so that they
* have the appropriate classes (.visible + .current-fragment).
*
* @param {number} [index] The index of the current fragment
* @param {array} [fragments] Array containing all fragments
* in the current slide
*
* @return {{shown: array, hidden: array}}
*/
update( index, fragments ) {
let changedFragments = {
shown: [],
hidden: []
};
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide && this.Reveal.getConfig().fragments ) {
fragments = fragments || this.sort( currentSlide.querySelectorAll( '.fragment' ) );
if( fragments.length ) {
let maxIndex = 0;
if( typeof index !== 'number' ) {
let currentFragment = this.sort( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();
if( currentFragment ) {
index = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
}
}
Array.from( fragments ).forEach( ( el, i ) => {
if( el.hasAttribute( 'data-fragment-index' ) ) {
i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );
}
maxIndex = Math.max( maxIndex, i );
// Visible fragments
if( i <= index ) {
let wasVisible = el.classList.contains( 'visible' )
el.classList.add( 'visible' );
el.classList.remove( 'current-fragment' );
if( i === index ) {
// Announce the fragments one by one to the Screen Reader
this.Reveal.announceStatus( this.Reveal.getStatusText( el ) );
el.classList.add( 'current-fragment' );
this.Reveal.slideContent.startEmbeddedContent( el );
}
if( !wasVisible ) {
changedFragments.shown.push( el )
this.Reveal.dispatchEvent({
target: el,
type: 'visible',
bubbles: false
});
}
}
// Hidden fragments
else {
let wasVisible = el.classList.contains( 'visible' )
el.classList.remove( 'visible' );
el.classList.remove( 'current-fragment' );
if( wasVisible ) {
changedFragments.hidden.push( el );
this.Reveal.dispatchEvent({
target: el,
type: 'hidden',
bubbles: false
});
}
}
} );
// Write the current fragment index to the slide <section>.
// This can be used by end users to apply styles based on
// the current fragment index.
index = typeof index === 'number' ? index : -1;
index = Math.max( Math.min( index, maxIndex ), -1 );
currentSlide.setAttribute( 'data-fragment', index );
}
}
return changedFragments;
}
/**
* Formats the fragments on the given slide so that they have
* valid indices. Call this if fragments are changed in the DOM
* after reveal.js has already initialized.
*
* @param {HTMLElement} slide
* @return {Array} a list of the HTML fragments that were synced
*/
sync( slide = this.Reveal.getCurrentSlide() ) {
return this.sort( slide.querySelectorAll( '.fragment' ) );
}
/**
* Navigate to the specified slide fragment.
*
* @param {?number} index The index of the fragment that
* should be shown, -1 means all are invisible
* @param {number} offset Integer offset to apply to the
* fragment index
*
* @return {boolean} true if a change was made in any
* fragments visibility as part of this call
*/
goto( index, offset = 0 ) {
let currentSlide = this.Reveal.getCurrentSlide();
if( currentSlide && this.Reveal.getConfig().fragments ) {
let fragments = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled)' ) );
if( fragments.length ) {
// If no index is specified, find the current
if( typeof index !== 'number' ) {
let lastVisibleFragment = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled).visible' ) ).pop();
if( lastVisibleFragment ) {
index = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );
}
else {
index = -1;
}
}
// Apply the offset if there is one
index += offset;
let changedFragments = this.update( index, fragments );
if( changedFragments.hidden.length ) {
this.Reveal.dispatchEvent({
type: 'fragmenthidden',
data: {
fragment: changedFragments.hidden[0],
fragments: changedFragments.hidden
}
});
}
if( changedFragments.shown.length ) {
this.Reveal.dispatchEvent({
type: 'fragmentshown',
data: {
fragment: changedFragments.shown[0],
fragments: changedFragments.shown
}
});
}
this.Reveal.controls.update();
this.Reveal.progress.update();
if( this.Reveal.getConfig().fragmentInURL ) {
this.Reveal.location.writeURL();
}
return !!( changedFragments.shown.length || changedFragments.hidden.length );
}
}
return false;
}
/**
* Navigate to the next slide fragment.
*
* @return {boolean} true if there was a next fragment,
* false otherwise
*/
next() {
return this.goto( null, 1 );
}
/**
* Navigate to the previous slide fragment.
*
* @return {boolean} true if there was a previous fragment,
* false otherwise
*/
prev() {
return this.goto( null, -1 );
}
}

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import { enterFullscreen } from '../utils/util.js'
/**
* Handles all reveal.js keyboard interactions.
*/
export default class Keyboard {
constructor( Reveal ) {
this.Reveal = Reveal;
// A key:value map of keyboard keys and descriptions of
// the actions they trigger
this.shortcuts = {};
// Holds custom key code mappings
this.bindings = {};
this.onDocumentKeyDown = this.onDocumentKeyDown.bind( this );
this.onDocumentKeyPress = this.onDocumentKeyPress.bind( this );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
if( config.navigationMode === 'linear' ) {
this.shortcuts['&#8594; , &#8595; , SPACE , N , L , J'] = 'Next slide';
this.shortcuts['&#8592; , &#8593; , P , H , K'] = 'Previous slide';
}
else {
this.shortcuts['N , SPACE'] = 'Next slide';
this.shortcuts['P'] = 'Previous slide';
this.shortcuts['&#8592; , H'] = 'Navigate left';
this.shortcuts['&#8594; , L'] = 'Navigate right';
this.shortcuts['&#8593; , K'] = 'Navigate up';
this.shortcuts['&#8595; , J'] = 'Navigate down';
}
this.shortcuts['Home , Shift &#8592;'] = 'First slide';
this.shortcuts['End , Shift &#8594;'] = 'Last slide';
this.shortcuts['B , .'] = 'Pause';
this.shortcuts['F'] = 'Fullscreen';
this.shortcuts['ESC, O'] = 'Slide overview';
}
/**
* Starts listening for keyboard events.
*/
bind() {
document.addEventListener( 'keydown', this.onDocumentKeyDown, false );
document.addEventListener( 'keypress', this.onDocumentKeyPress, false );
}
/**
* Stops listening for keyboard events.
*/
unbind() {
document.removeEventListener( 'keydown', this.onDocumentKeyDown, false );
document.removeEventListener( 'keypress', this.onDocumentKeyPress, false );
}
/**
* Add a custom key binding with optional description to
* be added to the help screen.
*/
addKeyBinding( binding, callback ) {
if( typeof binding === 'object' && binding.keyCode ) {
this.bindings[binding.keyCode] = {
callback: callback,
key: binding.key,
description: binding.description
};
}
else {
this.bindings[binding] = {
callback: callback,
key: null,
description: null
};
}
}
/**
* Removes the specified custom key binding.
*/
removeKeyBinding( keyCode ) {
delete this.bindings[keyCode];
}
/**
* Programmatically triggers a keyboard event
*
* @param {int} keyCode
*/
triggerKey( keyCode ) {
this.onDocumentKeyDown( { keyCode } );
}
/**
* Registers a new shortcut to include in the help overlay
*
* @param {String} key
* @param {String} value
*/
registerKeyboardShortcut( key, value ) {
this.shortcuts[key] = value;
}
getShortcuts() {
return this.shortcuts;
}
getBindings() {
return this.bindings;
}
/**
* Handler for the document level 'keypress' event.
*
* @param {object} event
*/
onDocumentKeyPress( event ) {
// Check if the pressed key is question mark
if( event.shiftKey && event.charCode === 63 ) {
this.Reveal.toggleHelp();
}
}
/**
* Handler for the document level 'keydown' event.
*
* @param {object} event
*/
onDocumentKeyDown( event ) {
let config = this.Reveal.getConfig();
// If there's a condition specified and it returns false,
// ignore this event
if( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) {
return true;
}
// If keyboardCondition is set, only capture keyboard events
// for embedded decks when they are focused
if( config.keyboardCondition === 'focused' && !this.Reveal.isFocused() ) {
return true;
}
// Shorthand
let keyCode = event.keyCode;
// Remember if auto-sliding was paused so we can toggle it
let autoSlideWasPaused = !this.Reveal.isAutoSliding();
this.Reveal.onUserInput( event );
// Is there a focused element that could be using the keyboard?
let activeElementIsCE = document.activeElement && document.activeElement.isContentEditable === true;
let activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName );
let activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className);
// Whitelist specific modified + keycode combinations
let prevSlideShortcut = event.shiftKey && event.keyCode === 32;
let firstSlideShortcut = event.shiftKey && keyCode === 37;
let lastSlideShortcut = event.shiftKey && keyCode === 39;
// Prevent all other events when a modifier is pressed
let unusedModifier = !prevSlideShortcut && !firstSlideShortcut && !lastSlideShortcut &&
( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey );
// Disregard the event if there's a focused element or a
// keyboard modifier key is present
if( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return;
// While paused only allow resume keyboard events; 'b', 'v', '.'
let resumeKeyCodes = [66,86,190,191];
let key;
// Custom key bindings for togglePause should be able to resume
if( typeof config.keyboard === 'object' ) {
for( key in config.keyboard ) {
if( config.keyboard[key] === 'togglePause' ) {
resumeKeyCodes.push( parseInt( key, 10 ) );
}
}
}
if( this.Reveal.isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) {
return false;
}
// Use linear navigation if we're configured to OR if
// the presentation is one-dimensional
let useLinearMode = config.navigationMode === 'linear' || !this.Reveal.hasHorizontalSlides() || !this.Reveal.hasVerticalSlides();
let triggered = false;
// 1. User defined key bindings
if( typeof config.keyboard === 'object' ) {
for( key in config.keyboard ) {
// Check if this binding matches the pressed key
if( parseInt( key, 10 ) === keyCode ) {
let value = config.keyboard[ key ];
// Callback function
if( typeof value === 'function' ) {
value.apply( null, [ event ] );
}
// String shortcuts to reveal.js API
else if( typeof value === 'string' && typeof this.Reveal[ value ] === 'function' ) {
this.Reveal[ value ].call();
}
triggered = true;
}
}
}
// 2. Registered custom key bindings
if( triggered === false ) {
for( key in this.bindings ) {
// Check if this binding matches the pressed key
if( parseInt( key, 10 ) === keyCode ) {
let action = this.bindings[ key ].callback;
// Callback function
if( typeof action === 'function' ) {
action.apply( null, [ event ] );
}
// String shortcuts to reveal.js API
else if( typeof action === 'string' && typeof this.Reveal[ action ] === 'function' ) {
this.Reveal[ action ].call();
}
triggered = true;
}
}
}
// 3. System defined key bindings
if( triggered === false ) {
// Assume true and try to prove false
triggered = true;
// P, PAGE UP
if( keyCode === 80 || keyCode === 33 ) {
this.Reveal.prev();
}
// N, PAGE DOWN
else if( keyCode === 78 || keyCode === 34 ) {
this.Reveal.next();
}
// H, LEFT
else if( keyCode === 72 || keyCode === 37 ) {
if( firstSlideShortcut ) {
this.Reveal.slide( 0 );
}
else if( !this.Reveal.overview.isActive() && useLinearMode ) {
this.Reveal.prev();
}
else {
this.Reveal.left();
}
}
// L, RIGHT
else if( keyCode === 76 || keyCode === 39 ) {
if( lastSlideShortcut ) {
this.Reveal.slide( Number.MAX_VALUE );
}
else if( !this.Reveal.overview.isActive() && useLinearMode ) {
this.Reveal.next();
}
else {
this.Reveal.right();
}
}
// K, UP
else if( keyCode === 75 || keyCode === 38 ) {
if( !this.Reveal.overview.isActive() && useLinearMode ) {
this.Reveal.prev();
}
else {
this.Reveal.up();
}
}
// J, DOWN
else if( keyCode === 74 || keyCode === 40 ) {
if( !this.Reveal.overview.isActive() && useLinearMode ) {
this.Reveal.next();
}
else {
this.Reveal.down();
}
}
// HOME
else if( keyCode === 36 ) {
this.Reveal.slide( 0 );
}
// END
else if( keyCode === 35 ) {
this.Reveal.slide( Number.MAX_VALUE );
}
// SPACE
else if( keyCode === 32 ) {
if( this.Reveal.overview.isActive() ) {
this.Reveal.overview.deactivate();
}
if( event.shiftKey ) {
this.Reveal.prev();
}
else {
this.Reveal.next();
}
}
// TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS "BLACK SCREEN" BUTTON
else if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) {
this.Reveal.togglePause();
}
// F
else if( keyCode === 70 ) {
enterFullscreen( config.embedded ? this.Reveal.getViewportElement() : document.documentElement );
}
// A
else if( keyCode === 65 ) {
if ( config.autoSlideStoppable ) {
this.Reveal.toggleAutoSlide( autoSlideWasPaused );
}
}
else {
triggered = false;
}
}
// If the input resulted in a triggered action we should prevent
// the browsers default behavior
if( triggered ) {
event.preventDefault && event.preventDefault();
}
// ESC or O key
else if( keyCode === 27 || keyCode === 79 ) {
if( this.Reveal.closeOverlay() === false ) {
this.Reveal.overview.toggle();
}
event.preventDefault && event.preventDefault();
}
// If auto-sliding is enabled we need to cue up
// another timeout
this.Reveal.cueAutoSlide();
}
}

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import { supportsHistoryAPI } from '../utils/device.js'
/**
* Reads and writes the URL based on reveal.js' current state.
*/
export default class Location {
constructor( Reveal ) {
this.Reveal = Reveal;
// Delays updates to the URL due to a Chrome thumbnailer bug
this.writeURLTimeout = 0;
this.onWindowHashChange = this.onWindowHashChange.bind( this );
}
bind() {
window.addEventListener( 'hashchange', this.onWindowHashChange, false );
}
unbind() {
window.removeEventListener( 'hashchange', this.onWindowHashChange, false );
}
/**
* Reads the current URL (hash) and navigates accordingly.
*/
readURL() {
let config = this.Reveal.getConfig();
let indices = this.Reveal.getIndices();
let currentSlide = this.Reveal.getCurrentSlide();
let hash = window.location.hash;
// Attempt to parse the hash as either an index or name
let bits = hash.slice( 2 ).split( '/' ),
name = hash.replace( /#\/?/gi, '' );
// If the first bit is not fully numeric and there is a name we
// can assume that this is a named link
if( !/^[0-9]*$/.test( bits[0] ) && name.length ) {
let element;
let f;
// Parse named links with fragments (#/named-link/2)
if( /\/[-\d]+$/g.test( name ) ) {
f = parseInt( name.split( '/' ).pop(), 10 );
f = isNaN(f) ? undefined : f;
name = name.split( '/' ).shift();
}
// Ensure the named link is a valid HTML ID attribute
try {
element = document.getElementById( decodeURIComponent( name ) );
}
catch ( error ) { }
// Ensure that we're not already on a slide with the same name
let isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false;
if( element ) {
// If the slide exists and is not the current slide...
if ( !isSameNameAsCurrentSlide || typeof f !== 'undefined' ) {
// ...find the position of the named slide and navigate to it
let slideIndices = this.Reveal.getIndices( element );
this.Reveal.slide( slideIndices.h, slideIndices.v, f );
}
}
// If the slide doesn't exist, navigate to the current slide
else {
this.Reveal.slide( indices.h || 0, indices.v || 0 );
}
}
else {
let hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
// Read the index components of the hash
let h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,
v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
f;
if( config.fragmentInURL ) {
f = parseInt( bits[2], 10 );
if( isNaN( f ) ) {
f = undefined;
}
}
if( h !== indices.h || v !== indices.v || f !== undefined ) {
this.Reveal.slide( h, v, f );
}
}
}
/**
* Updates the page URL (hash) to reflect the current
* state.
*
* @param {number} delay The time in ms to wait before
* writing the hash
*/
writeURL( delay ) {
let config = this.Reveal.getConfig();
let currentSlide = this.Reveal.getCurrentSlide();
// Make sure there's never more than one timeout running
clearTimeout( this.writeURLTimeout );
// If a delay is specified, timeout this call
if( typeof delay === 'number' ) {
this.writeURLTimeout = setTimeout( this.writeURL, delay );
}
else if( currentSlide ) {
// If we're configured to push to history OR the history
// API is not avaialble.
if( config.history || supportsHistoryAPI === false ) {
window.location.hash = this.getHash();
}
// If we're configured to reflect the current slide in the
// URL without pushing to history.
else if( config.hash ) {
window.history.replaceState( null, null, '#' + this.getHash() );
}
// UPDATE: The below nuking of all hash changes breaks
// anchors on pages where reveal.js is running. Removed
// in 4.0. Why was it here in the first place? ¯\_(ツ)_/¯
//
// If history and hash are both disabled, a hash may still
// be added to the URL by clicking on a href with a hash
// target. Counter this by always removing the hash.
// else {
// window.history.replaceState( null, null, window.location.pathname + window.location.search );
// }
}
}
/**
* Return a hash URL that will resolve to the given slide location.
*
* @param {HTMLElement} [slide=currentSlide] The slide to link to
*/
getHash( slide ) {
let url = '/';
// Attempt to create a named link based on the slide's ID
let s = slide || this.Reveal.getCurrentSlide();
let id = s ? s.getAttribute( 'id' ) : null;
if( id ) {
id = encodeURIComponent( id );
}
let index = this.Reveal.getIndices( slide );
if( !this.Reveal.getConfig().fragmentInURL ) {
index.f = undefined;
}
// If the current slide has an ID, use that as a named link,
// but we don't support named links with a fragment index
if( typeof id === 'string' && id.length ) {
url = '/' + id;
// If there is also a fragment, append that at the end
// of the named link, like: #/named-link/2
if( index.f >= 0 ) url += '/' + index.f;
}
// Otherwise use the /h/v index
else {
let hashIndexBase = this.Reveal.getConfig().hashOneBasedIndex ? 1 : 0;
if( index.h > 0 || index.v > 0 || index.f >= 0 ) url += index.h + hashIndexBase;
if( index.v > 0 || index.f >= 0 ) url += '/' + (index.v + hashIndexBase );
if( index.f >= 0 ) url += '/' + index.f;
}
return url;
}
/**
* Handler for the window level 'hashchange' event.
*
* @param {object} [event]
*/
onWindowHashChange( event ) {
this.readURL();
}
}

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/**
* Handles the showing and
*/
export default class Notes {
constructor( Reveal ) {
this.Reveal = Reveal;
}
render() {
this.element = document.createElement( 'div' );
this.element.className = 'speaker-notes';
this.element.setAttribute( 'data-prevent-swipe', '' );
this.element.setAttribute( 'tabindex', '0' );
this.Reveal.getRevealElement().appendChild( this.element );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
if( config.showNotes ) {
this.element.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' );
}
}
/**
* Pick up notes from the current slide and display them
* to the viewer.
*
* @see {@link config.showNotes}
*/
update() {
if( this.Reveal.getConfig().showNotes && this.element && this.Reveal.getCurrentSlide() && !this.Reveal.print.isPrintingPDF() ) {
this.element.innerHTML = this.getSlideNotes() || '<span class="notes-placeholder">No notes on this slide.</span>';
}
}
/**
* Updates the visibility of the speaker notes sidebar that
* is used to share annotated slides. The notes sidebar is
* only visible if showNotes is true and there are notes on
* one or more slides in the deck.
*/
updateVisibility() {
if( this.Reveal.getConfig().showNotes && this.hasNotes() ) {
this.Reveal.getRevealElement().classList.add( 'show-notes' );
}
else {
this.Reveal.getRevealElement().classList.remove( 'show-notes' );
}
}
/**
* Checks if there are speaker notes for ANY slide in the
* presentation.
*/
hasNotes() {
return this.Reveal.getSlidesElement().querySelectorAll( '[data-notes], aside.notes' ).length > 0;
}
/**
* Checks if this presentation is running inside of the
* speaker notes window.
*
* @return {boolean}
*/
isSpeakerNotesWindow() {
return !!window.location.search.match( /receiver/gi );
}
/**
* Retrieves the speaker notes from a slide. Notes can be
* defined in two ways:
* 1. As a data-notes attribute on the slide <section>
* 2. As an <aside class="notes"> inside of the slide
*
* @param {HTMLElement} [slide=currentSlide]
* @return {(string|null)}
*/
getSlideNotes( slide = this.Reveal.getCurrentSlide() ) {
// Notes can be specified via the data-notes attribute...
if( slide.hasAttribute( 'data-notes' ) ) {
return slide.getAttribute( 'data-notes' );
}
// ... or using an <aside class="notes"> element
let notesElement = slide.querySelector( 'aside.notes' );
if( notesElement ) {
return notesElement.innerHTML;
}
return null;
}
}

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import { SLIDES_SELECTOR } from '../utils/constants.js'
import { extend, queryAll, transformElement } from '../utils/util.js'
/**
* Handles all logic related to the overview mode
* (birds-eye view of all slides).
*/
export default class Overview {
constructor( Reveal ) {
this.Reveal = Reveal;
this.active = false;
this.onSlideClicked = this.onSlideClicked.bind( this );
}
/**
* Displays the overview of slides (quick nav) by scaling
* down and arranging all slide elements.
*/
activate() {
// Only proceed if enabled in config
if( this.Reveal.getConfig().overview && !this.isActive() ) {
this.active = true;
this.Reveal.getRevealElement().classList.add( 'overview' );
// Don't auto-slide while in overview mode
this.Reveal.cancelAutoSlide();
// Move the backgrounds element into the slide container to
// that the same scaling is applied
this.Reveal.getSlidesElement().appendChild( this.Reveal.getBackgroundsElement() );
// Clicking on an overview slide navigates to it
queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => {
if( !slide.classList.contains( 'stack' ) ) {
slide.addEventListener( 'click', this.onSlideClicked, true );
}
} );
// Calculate slide sizes
const margin = 70;
const slideSize = this.Reveal.getComputedSlideSize();
this.overviewSlideWidth = slideSize.width + margin;
this.overviewSlideHeight = slideSize.height + margin;
// Reverse in RTL mode
if( this.Reveal.getConfig().rtl ) {
this.overviewSlideWidth = -this.overviewSlideWidth;
}
this.Reveal.updateSlidesVisibility();
this.layout();
this.update();
this.Reveal.layout();
const indices = this.Reveal.getIndices();
// Notify observers of the overview showing
this.Reveal.dispatchEvent({
type: 'overviewshown',
data: {
'indexh': indices.h,
'indexv': indices.v,
'currentSlide': this.Reveal.getCurrentSlide()
}
});
}
}
/**
* Uses CSS transforms to position all slides in a grid for
* display inside of the overview mode.
*/
layout() {
// Layout slides
this.Reveal.getHorizontalSlides().forEach( ( hslide, h ) => {
hslide.setAttribute( 'data-index-h', h );
transformElement( hslide, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );
if( hslide.classList.contains( 'stack' ) ) {
queryAll( hslide, 'section' ).forEach( ( vslide, v ) => {
vslide.setAttribute( 'data-index-h', h );
vslide.setAttribute( 'data-index-v', v );
transformElement( vslide, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );
} );
}
} );
// Layout slide backgrounds
Array.from( this.Reveal.getBackgroundsElement().childNodes ).forEach( ( hbackground, h ) => {
transformElement( hbackground, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );
queryAll( hbackground, '.slide-background' ).forEach( ( vbackground, v ) => {
transformElement( vbackground, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );
} );
} );
}
/**
* Moves the overview viewport to the current slides.
* Called each time the current slide changes.
*/
update() {
const vmin = Math.min( window.innerWidth, window.innerHeight );
const scale = Math.max( vmin / 5, 150 ) / vmin;
const indices = this.Reveal.getIndices();
this.Reveal.transformSlides( {
overview: [
'scale('+ scale +')',
'translateX('+ ( -indices.h * this.overviewSlideWidth ) +'px)',
'translateY('+ ( -indices.v * this.overviewSlideHeight ) +'px)'
].join( ' ' )
} );
}
/**
* Exits the slide overview and enters the currently
* active slide.
*/
deactivate() {
// Only proceed if enabled in config
if( this.Reveal.getConfig().overview ) {
this.active = false;
this.Reveal.getRevealElement().classList.remove( 'overview' );
// Temporarily add a class so that transitions can do different things
// depending on whether they are exiting/entering overview, or just
// moving from slide to slide
this.Reveal.getRevealElement().classList.add( 'overview-deactivating' );
setTimeout( () => {
this.Reveal.getRevealElement().classList.remove( 'overview-deactivating' );
}, 1 );
// Move the background element back out
this.Reveal.getRevealElement().appendChild( this.Reveal.getBackgroundsElement() );
// Clean up changes made to slides
queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => {
transformElement( slide, '' );
slide.removeEventListener( 'click', this.onSlideClicked, true );
} );
// Clean up changes made to backgrounds
queryAll( this.Reveal.getBackgroundsElement(), '.slide-background' ).forEach( background => {
transformElement( background, '' );
} );
this.Reveal.transformSlides( { overview: '' } );
const indices = this.Reveal.getIndices();
this.Reveal.slide( indices.h, indices.v );
this.Reveal.layout();
this.Reveal.cueAutoSlide();
// Notify observers of the overview hiding
this.Reveal.dispatchEvent({
type: 'overviewhidden',
data: {
'indexh': indices.h,
'indexv': indices.v,
'currentSlide': this.Reveal.getCurrentSlide()
}
});
}
}
/**
* Toggles the slide overview mode on and off.
*
* @param {Boolean} [override] Flag which overrides the
* toggle logic and forcibly sets the desired state. True means
* overview is open, false means it's closed.
*/
toggle( override ) {
if( typeof override === 'boolean' ) {
override ? this.activate() : this.deactivate();
}
else {
this.isActive() ? this.deactivate() : this.activate();
}
}
/**
* Checks if the overview is currently active.
*
* @return {Boolean} true if the overview is active,
* false otherwise
*/
isActive() {
return this.active;
}
/**
* Invoked when a slide is and we're in the overview.
*
* @param {object} event
*/
onSlideClicked( event ) {
if( this.isActive() ) {
event.preventDefault();
let element = event.target;
while( element && !element.nodeName.match( /section/gi ) ) {
element = element.parentNode;
}
if( element && !element.classList.contains( 'disabled' ) ) {
this.deactivate();
if( element.nodeName.match( /section/gi ) ) {
let h = parseInt( element.getAttribute( 'data-index-h' ), 10 ),
v = parseInt( element.getAttribute( 'data-index-v' ), 10 );
this.Reveal.slide( h, v );
}
}
}
}
}

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import { loadScript } from '../utils/loader.js'
/**
* Manages loading and registering of reveal.js plugins.
*/
export default class Plugins {
constructor( reveal ) {
this.Reveal = reveal;
// Flags our current state (idle -> loading -> loaded)
this.state = 'idle';
// An id:instance map of currently registed plugins
this.registeredPlugins = {};
this.asyncDependencies = [];
}
/**
* Loads reveal.js dependencies, registers and
* initializes plugins.
*
* Plugins are direct references to a reveal.js plugin
* object that we register and initialize after any
* synchronous dependencies have loaded.
*
* Dependencies are defined via the 'dependencies' config
* option and will be loaded prior to starting reveal.js.
* Some dependencies may have an 'async' flag, if so they
* will load after reveal.js has been started up.
*/
load( plugins, dependencies ) {
this.state = 'loading';
plugins.forEach( this.registerPlugin.bind( this ) );
return new Promise( resolve => {
let scripts = [],
scriptsToLoad = 0;
dependencies.forEach( s => {
// Load if there's no condition or the condition is truthy
if( !s.condition || s.condition() ) {
if( s.async ) {
this.asyncDependencies.push( s );
}
else {
scripts.push( s );
}
}
} );
if( scripts.length ) {
scriptsToLoad = scripts.length;
const scriptLoadedCallback = (s) => {
if( s && typeof s.callback === 'function' ) s.callback();
if( --scriptsToLoad === 0 ) {
this.initPlugins().then( resolve );
}
};
// Load synchronous scripts
scripts.forEach( s => {
if( typeof s.id === 'string' ) {
this.registerPlugin( s );
scriptLoadedCallback( s );
}
else if( typeof s.src === 'string' ) {
loadScript( s.src, () => scriptLoadedCallback(s) );
}
else {
console.warn( 'Unrecognized plugin format', s );
scriptLoadedCallback();
}
} );
}
else {
this.initPlugins().then( resolve );
}
} );
}
/**
* Initializes our plugins and waits for them to be ready
* before proceeding.
*/
initPlugins() {
return new Promise( resolve => {
let pluginValues = Object.values( this.registeredPlugins );
let pluginsToInitialize = pluginValues.length;
// If there are no plugins, skip this step
if( pluginsToInitialize === 0 ) {
this.loadAsync().then( resolve );
}
// ... otherwise initialize plugins
else {
let initNextPlugin;
let afterPlugInitialized = () => {
if( --pluginsToInitialize === 0 ) {
this.loadAsync().then( resolve );
}
else {
initNextPlugin();
}
};
let i = 0;
// Initialize plugins serially
initNextPlugin = () => {
let plugin = pluginValues[i++];
// If the plugin has an 'init' method, invoke it
if( typeof plugin.init === 'function' ) {
let promise = plugin.init( this.Reveal );
// If the plugin returned a Promise, wait for it
if( promise && typeof promise.then === 'function' ) {
promise.then( afterPlugInitialized );
}
else {
afterPlugInitialized();
}
}
else {
afterPlugInitialized();
}
}
initNextPlugin();
}
} )
}
/**
* Loads all async reveal.js dependencies.
*/
loadAsync() {
this.state = 'loaded';
if( this.asyncDependencies.length ) {
this.asyncDependencies.forEach( s => {
loadScript( s.src, s.callback );
} );
}
return Promise.resolve();
}
/**
* Registers a new plugin with this reveal.js instance.
*
* reveal.js waits for all regisered plugins to initialize
* before considering itself ready, as long as the plugin
* is registered before calling `Reveal.initialize()`.
*/
registerPlugin( plugin ) {
// Backwards compatibility to make reveal.js ~3.9.0
// plugins work with reveal.js 4.0.0
if( arguments.length === 2 && typeof arguments[0] === 'string' ) {
plugin = arguments[1];
plugin.id = arguments[0];
}
// Plugin can optionally be a function which we call
// to create an instance of the plugin
else if( typeof plugin === 'function' ) {
plugin = plugin();
}
let id = plugin.id;
if( typeof id !== 'string' ) {
console.warn( 'Unrecognized plugin format; can\'t find plugin.id', plugin );
}
else if( this.registeredPlugins[id] === undefined ) {
this.registeredPlugins[id] = plugin;
// If a plugin is registered after reveal.js is loaded,
// initialize it right away
if( this.state === 'loaded' && typeof plugin.init === 'function' ) {
plugin.init( this.Reveal );
}
}
else {
console.warn( 'reveal.js: "'+ id +'" plugin has already been registered' );
}
}
/**
* Checks if a specific plugin has been registered.
*
* @param {String} id Unique plugin identifier
*/
hasPlugin( id ) {
return !!this.registeredPlugins[id];
}
/**
* Returns the specific plugin instance, if a plugin
* with the given ID has been registered.
*
* @param {String} id Unique plugin identifier
*/
getPlugin( id ) {
return this.registeredPlugins[id];
}
getRegisteredPlugins() {
return this.registeredPlugins;
}
}

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/**
* Handles hiding of the pointer/cursor when inactive.
*/
export default class Pointer {
constructor( Reveal ) {
this.Reveal = Reveal;
// Throttles mouse wheel navigation
this.lastMouseWheelStep = 0;
// Is the mouse pointer currently hidden from view
this.cursorHidden = false;
// Timeout used to determine when the cursor is inactive
this.cursorInactiveTimeout = 0;
this.onDocumentCursorActive = this.onDocumentCursorActive.bind( this );
this.onDocumentMouseScroll = this.onDocumentMouseScroll.bind( this );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
if( config.mouseWheel ) {
document.addEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF
document.addEventListener( 'mousewheel', this.onDocumentMouseScroll, false );
}
else {
document.removeEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF
document.removeEventListener( 'mousewheel', this.onDocumentMouseScroll, false );
}
// Auto-hide the mouse pointer when its inactive
if( config.hideInactiveCursor ) {
document.addEventListener( 'mousemove', this.onDocumentCursorActive, false );
document.addEventListener( 'mousedown', this.onDocumentCursorActive, false );
}
else {
this.showCursor();
document.removeEventListener( 'mousemove', this.onDocumentCursorActive, false );
document.removeEventListener( 'mousedown', this.onDocumentCursorActive, false );
}
}
/**
* Shows the mouse pointer after it has been hidden with
* #hideCursor.
*/
showCursor() {
if( this.cursorHidden ) {
this.cursorHidden = false;
this.Reveal.getRevealElement().style.cursor = '';
}
}
/**
* Hides the mouse pointer when it's on top of the .reveal
* container.
*/
hideCursor() {
if( this.cursorHidden === false ) {
this.cursorHidden = true;
this.Reveal.getRevealElement().style.cursor = 'none';
}
}
/**
* Called whenever there is mouse input at the document level
* to determine if the cursor is active or not.
*
* @param {object} event
*/
onDocumentCursorActive( event ) {
this.showCursor();
clearTimeout( this.cursorInactiveTimeout );
this.cursorInactiveTimeout = setTimeout( this.hideCursor.bind( this ), this.Reveal.getConfig().hideCursorTime );
}
/**
* Handles mouse wheel scrolling, throttled to avoid skipping
* multiple slides.
*
* @param {object} event
*/
onDocumentMouseScroll( event ) {
if( Date.now() - this.lastMouseWheelStep > 1000 ) {
this.lastMouseWheelStep = Date.now();
let delta = event.detail || -event.wheelDelta;
if( delta > 0 ) {
this.Reveal.next();
}
else if( delta < 0 ) {
this.Reveal.prev();
}
}
}
}

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import { SLIDES_SELECTOR } from '../utils/constants.js'
import { queryAll, createStyleSheet } from '../utils/util.js'
/**
* Setups up our presentation for printing/exporting to PDF.
*/
export default class Print {
constructor( Reveal ) {
this.Reveal = Reveal;
}
/**
* Configures the presentation for printing to a static
* PDF.
*/
setupPDF() {
let config = this.Reveal.getConfig();
let slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );
// Dimensions of the PDF pages
let pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );
// Dimensions of slides within the pages
let slideWidth = slideSize.width,
slideHeight = slideSize.height;
// Let the browser know what page size we want to print
createStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );
// Limit the size of certain elements to the dimensions of the slide
createStyleSheet( '.reveal section>img, .reveal section>video, .reveal section>iframe{max-width: '+ slideWidth +'px; max-height:'+ slideHeight +'px}' );
document.documentElement.classList.add( 'print-pdf' );
document.body.style.width = pageWidth + 'px';
document.body.style.height = pageHeight + 'px';
// Make sure stretch elements fit on slide
this.Reveal.layoutSlideContents( slideWidth, slideHeight );
// Compute slide numbers now, before we start duplicating slides
let doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( function( slide ) {
slide.setAttribute( 'data-slide-number', this.Reveal.slideNumber.getSlideNumber( slide ) );
}, this );
// Slide and slide background layout
queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( function( slide ) {
// Vertical stacks are not centred since their section
// children will be
if( slide.classList.contains( 'stack' ) === false ) {
// Center the slide inside of the page, giving the slide some margin
let left = ( pageWidth - slideWidth ) / 2,
top = ( pageHeight - slideHeight ) / 2;
let contentHeight = slide.scrollHeight;
let numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );
// Adhere to configured pages per slide limit
numberOfPages = Math.min( numberOfPages, config.pdfMaxPagesPerSlide );
// Center slides vertically
if( numberOfPages === 1 && config.center || slide.classList.contains( 'center' ) ) {
top = Math.max( ( pageHeight - contentHeight ) / 2, 0 );
}
// Wrap the slide in a page element and hide its overflow
// so that no page ever flows onto another
let page = document.createElement( 'div' );
page.className = 'pdf-page';
page.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';
slide.parentNode.insertBefore( page, slide );
page.appendChild( slide );
// Position the slide inside of the page
slide.style.left = left + 'px';
slide.style.top = top + 'px';
slide.style.width = slideWidth + 'px';
if( slide.slideBackgroundElement ) {
page.insertBefore( slide.slideBackgroundElement, slide );
}
// Inject notes if `showNotes` is enabled
if( config.showNotes ) {
// Are there notes for this slide?
let notes = getSlideNotes( slide );
if( notes ) {
let notesSpacing = 8;
let notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';
let notesElement = document.createElement( 'div' );
notesElement.classList.add( 'speaker-notes' );
notesElement.classList.add( 'speaker-notes-pdf' );
notesElement.setAttribute( 'data-layout', notesLayout );
notesElement.innerHTML = notes;
if( notesLayout === 'separate-page' ) {
page.parentNode.insertBefore( notesElement, page.nextSibling );
}
else {
notesElement.style.left = notesSpacing + 'px';
notesElement.style.bottom = notesSpacing + 'px';
notesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';
page.appendChild( notesElement );
}
}
}
// Inject slide numbers if `slideNumbers` are enabled
if( doingSlideNumbers ) {
let numberElement = document.createElement( 'div' );
numberElement.classList.add( 'slide-number' );
numberElement.classList.add( 'slide-number-pdf' );
numberElement.innerHTML = slide.getAttribute( 'data-slide-number' );
page.appendChild( numberElement );
}
// Copy page and show fragments one after another
if( config.pdfSeparateFragments ) {
// Each fragment 'group' is an array containing one or more
// fragments. Multiple fragments that appear at the same time
// are part of the same group.
let fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );
let previousFragmentStep;
let previousPage;
fragmentGroups.forEach( function( fragments ) {
// Remove 'current-fragment' from the previous group
if( previousFragmentStep ) {
previousFragmentStep.forEach( function( fragment ) {
fragment.classList.remove( 'current-fragment' );
} );
}
// Show the fragments for the current index
fragments.forEach( function( fragment ) {
fragment.classList.add( 'visible', 'current-fragment' );
}, this );
// Create a separate page for the current fragment state
let clonedPage = page.cloneNode( true );
page.parentNode.insertBefore( clonedPage, ( previousPage || page ).nextSibling );
previousFragmentStep = fragments;
previousPage = clonedPage;
}, this );
// Reset the first/original page so that all fragments are hidden
fragmentGroups.forEach( function( fragments ) {
fragments.forEach( function( fragment ) {
fragment.classList.remove( 'visible', 'current-fragment' );
} );
} );
}
// Show all fragments
else {
queryAll( page, '.fragment:not(.fade-out)' ).forEach( function( fragment ) {
fragment.classList.add( 'visible' );
} );
}
}
}, this );
// Notify subscribers that the PDF layout is good to go
this.Reveal.dispatchEvent({ type: 'pdf-ready' });
}
/**
* Checks if this instance is being used to print a PDF.
*/
isPrintingPDF() {
return ( /print-pdf/gi ).test( window.location.search );
}
}

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/**
* Creates a visual progress bar for the presentation.
*/
export default class Progress {
constructor( Reveal ) {
this.Reveal = Reveal;
this.onProgressClicked = this.onProgressClicked.bind( this );
}
render() {
this.element = document.createElement( 'div' );
this.element.className = 'progress';
this.Reveal.getRevealElement().appendChild( this.element );
this.bar = document.createElement( 'span' );
this.element.appendChild( this.bar );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
this.element.style.display = config.progress ? 'block' : 'none';
}
bind() {
if( this.Reveal.getConfig().progress && this.element ) {
this.element.addEventListener( 'click', this.onProgressClicked, false );
}
}
unbind() {
if ( this.Reveal.getConfig().progress && this.element ) {
this.element.removeEventListener( 'click', this.onProgressClicked, false );
}
}
/**
* Updates the progress bar to reflect the current slide.
*/
update() {
// Update progress if enabled
if( this.Reveal.getConfig().progress && this.bar ) {
this.bar.style.width = this.Reveal.getProgress() * this.getMaxWidth() + 'px';
}
}
getMaxWidth() {
return this.Reveal.getRevealElement().offsetWidth;
}
/**
* Clicking on the progress bar results in a navigation to the
* closest approximate horizontal slide using this equation:
*
* ( clickX / presentationWidth ) * numberOfSlides
*
* @param {object} event
*/
onProgressClicked( event ) {
this.Reveal.onUserInput( event );
event.preventDefault();
let slidesTotal = this.Reveal.getHorizontalSlides().length;
let slideIndex = Math.floor( ( event.clientX / this.getMaxWidth() ) * slidesTotal );
if( this.Reveal.getConfig().rtl ) {
slideIndex = slidesTotal - slideIndex;
}
this.Reveal.slide( slideIndex );
}
}

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import { HORIZONTAL_SLIDES_SELECTOR, VERTICAL_SLIDES_SELECTOR } from '../utils/constants.js'
import { extend, queryAll, closestParent } from '../utils/util.js'
import { isMobile } from '../utils/device.js'
/**
* Handles loading, unloading and playback of slide
* content such as images, videos and iframes.
*/
export default class SlideContent {
constructor( Reveal ) {
this.Reveal = Reveal;
this.startEmbeddedIframe = this.startEmbeddedIframe.bind( this );
}
/**
* Should the given element be preloaded?
* Decides based on local element attributes and global config.
*
* @param {HTMLElement} element
*/
shouldPreload( element ) {
// Prefer an explicit global preload setting
let preload = this.Reveal.getConfig().preloadIframes;
// If no global setting is available, fall back on the element's
// own preload setting
if( typeof preload !== 'boolean' ) {
preload = element.hasAttribute( 'data-preload' );
}
return preload;
}
/**
* Called when the given slide is within the configured view
* distance. Shows the slide element and loads any content
* that is set to load lazily (data-src).
*
* @param {HTMLElement} slide Slide to show
*/
load( slide, options = {} ) {
// Show the slide element
slide.style.display = this.Reveal.getConfig().display;
// Media elements with data-src attributes
queryAll( slide, 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ).forEach( element => {
if( element.tagName !== 'IFRAME' || this.shouldPreload( element ) ) {
element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
element.setAttribute( 'data-lazy-loaded', '' );
element.removeAttribute( 'data-src' );
}
} );
// Media elements with <source> children
queryAll( slide, 'video, audio' ).forEach( media => {
let sources = 0;
queryAll( media, 'source[data-src]' ).forEach( source => {
source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
source.removeAttribute( 'data-src' );
source.setAttribute( 'data-lazy-loaded', '' );
sources += 1;
} );
// If we rewrote sources for this video/audio element, we need
// to manually tell it to load from its new origin
if( sources > 0 ) {
media.load();
}
} );
// Show the corresponding background element
let background = slide.slideBackgroundElement;
if( background ) {
background.style.display = 'block';
let backgroundContent = slide.slideBackgroundContentElement;
let backgroundIframe = slide.getAttribute( 'data-background-iframe' );
// If the background contains media, load it
if( background.hasAttribute( 'data-loaded' ) === false ) {
background.setAttribute( 'data-loaded', 'true' );
let backgroundImage = slide.getAttribute( 'data-background-image' ),
backgroundVideo = slide.getAttribute( 'data-background-video' ),
backgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),
backgroundVideoMuted = slide.hasAttribute( 'data-background-video-muted' );
// Images
if( backgroundImage ) {
backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
}
// Videos
else if ( backgroundVideo && !this.Reveal.isSpeakerNotes() ) {
let video = document.createElement( 'video' );
if( backgroundVideoLoop ) {
video.setAttribute( 'loop', '' );
}
if( backgroundVideoMuted ) {
video.muted = true;
}
// Inline video playback works (at least in Mobile Safari) as
// long as the video is muted and the `playsinline` attribute is
// present
if( isMobile ) {
video.muted = true;
video.autoplay = true;
video.setAttribute( 'playsinline', '' );
}
// Support comma separated lists of video sources
backgroundVideo.split( ',' ).forEach( source => {
video.innerHTML += '<source src="'+ source +'">';
} );
backgroundContent.appendChild( video );
}
// Iframes
else if( backgroundIframe && options.excludeIframes !== true ) {
let iframe = document.createElement( 'iframe' );
iframe.setAttribute( 'allowfullscreen', '' );
iframe.setAttribute( 'mozallowfullscreen', '' );
iframe.setAttribute( 'webkitallowfullscreen', '' );
iframe.setAttribute( 'allow', 'autoplay' );
iframe.setAttribute( 'data-src', backgroundIframe );
iframe.style.width = '100%';
iframe.style.height = '100%';
iframe.style.maxHeight = '100%';
iframe.style.maxWidth = '100%';
backgroundContent.appendChild( iframe );
}
}
// Start loading preloadable iframes
let backgroundIframeElement = backgroundContent.querySelector( 'iframe[data-src]' );
if( backgroundIframeElement ) {
// Check if this iframe is eligible to be preloaded
if( this.shouldPreload( background ) && !/autoplay=(1|true|yes)/gi.test( backgroundIframe ) ) {
if( backgroundIframeElement.getAttribute( 'src' ) !== backgroundIframe ) {
backgroundIframeElement.setAttribute( 'src', backgroundIframe );
}
}
}
}
}
/**
* Unloads and hides the given slide. This is called when the
* slide is moved outside of the configured view distance.
*
* @param {HTMLElement} slide
*/
unload( slide ) {
// Hide the slide element
slide.style.display = 'none';
// Hide the corresponding background element
let background = this.Reveal.getSlideBackground( slide );
if( background ) {
background.style.display = 'none';
// Unload any background iframes
queryAll( background, 'iframe[src]' ).forEach( element => {
element.removeAttribute( 'src' );
} );
}
// Reset lazy-loaded media elements with src attributes
queryAll( slide, 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ).forEach( element => {
element.setAttribute( 'data-src', element.getAttribute( 'src' ) );
element.removeAttribute( 'src' );
} );
// Reset lazy-loaded media elements with <source> children
queryAll( slide, 'video[data-lazy-loaded] source[src], audio source[src]' ).forEach( source => {
source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
source.removeAttribute( 'src' );
} );
}
/**
* Enforces origin-specific format rules for embedded media.
*/
formatEmbeddedContent() {
let _appendParamToIframeSource = ( sourceAttribute, sourceURL, param ) => {
queryAll( this.Reveal.getSlidesElement(), 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ).forEach( el => {
let src = el.getAttribute( sourceAttribute );
if( src && src.indexOf( param ) === -1 ) {
el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param );
}
});
};
// YouTube frames must include "?enablejsapi=1"
_appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );
_appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );
// Vimeo frames must include "?api=1"
_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );
_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );
}
/**
* Start playback of any embedded content inside of
* the given element.
*
* @param {HTMLElement} element
*/
startEmbeddedContent( element ) {
if( element && !this.Reveal.isSpeakerNotes() ) {
// Restart GIFs
queryAll( element, 'img[src$=".gif"]' ).forEach( el => {
// Setting the same unchanged source like this was confirmed
// to work in Chrome, FF & Safari
el.setAttribute( 'src', el.getAttribute( 'src' ) );
} );
// HTML5 media elements
queryAll( element, 'video, audio' ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
// Prefer an explicit global autoplay setting
let autoplay = this.Reveal.getConfig().autoPlayMedia;
// If no global setting is available, fall back on the element's
// own autoplay setting
if( typeof autoplay !== 'boolean' ) {
autoplay = el.hasAttribute( 'data-autoplay' ) || !!closestParent( el, '.slide-background' );
}
if( autoplay && typeof el.play === 'function' ) {
// If the media is ready, start playback
if( el.readyState > 1 ) {
this.startEmbeddedMedia( { target: el } );
}
// Mobile devices never fire a loaded event so instead
// of waiting, we initiate playback
else if( isMobile ) {
let promise = el.play();
// If autoplay does not work, ensure that the controls are visible so
// that the viewer can start the media on their own
if( promise && typeof promise.catch === 'function' && el.controls === false ) {
promise.catch( () => {
el.controls = true;
// Once the video does start playing, hide the controls again
el.addEventListener( 'play', () => {
el.controls = false;
} );
} );
}
}
// If the media isn't loaded, wait before playing
else {
el.removeEventListener( 'loadeddata', this.startEmbeddedMedia ); // remove first to avoid dupes
el.addEventListener( 'loadeddata', this.startEmbeddedMedia );
}
}
} );
// Normal iframes
queryAll( element, 'iframe[src]' ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
this.startEmbeddedIframe( { target: el } );
} );
// Lazy loading iframes
queryAll( element, 'iframe[data-src]' ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
if( el.getAttribute( 'src' ) !== el.getAttribute( 'data-src' ) ) {
el.removeEventListener( 'load', this.startEmbeddedIframe ); // remove first to avoid dupes
el.addEventListener( 'load', this.startEmbeddedIframe );
el.setAttribute( 'src', el.getAttribute( 'data-src' ) );
}
} );
}
}
/**
* Starts playing an embedded video/audio element after
* it has finished loading.
*
* @param {object} event
*/
startEmbeddedMedia( event ) {
let isAttachedToDOM = !!closestParent( event.target, 'html' ),
isVisible = !!closestParent( event.target, '.present' );
if( isAttachedToDOM && isVisible ) {
event.target.currentTime = 0;
event.target.play();
}
event.target.removeEventListener( 'loadeddata', this.startEmbeddedMedia );
}
/**
* "Starts" the content of an embedded iframe using the
* postMessage API.
*
* @param {object} event
*/
startEmbeddedIframe( event ) {
let iframe = event.target;
if( iframe && iframe.contentWindow ) {
let isAttachedToDOM = !!closestParent( event.target, 'html' ),
isVisible = !!closestParent( event.target, '.present' );
if( isAttachedToDOM && isVisible ) {
// Prefer an explicit global autoplay setting
let autoplay = this.Reveal.getConfig().autoPlayMedia;
// If no global setting is available, fall back on the element's
// own autoplay setting
if( typeof autoplay !== 'boolean' ) {
autoplay = iframe.hasAttribute( 'data-autoplay' ) || !!closestParent( iframe, '.slide-background' );
}
// YouTube postMessage API
if( /youtube\.com\/embed\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
iframe.contentWindow.postMessage( '{"event":"command","func":"playVideo","args":""}', '*' );
}
// Vimeo postMessage API
else if( /player\.vimeo\.com\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {
iframe.contentWindow.postMessage( '{"method":"play"}', '*' );
}
// Generic postMessage API
else {
iframe.contentWindow.postMessage( 'slide:start', '*' );
}
}
}
}
/**
* Stop playback of any embedded content inside of
* the targeted slide.
*
* @param {HTMLElement} element
*/
stopEmbeddedContent( element, options = {} ) {
options = extend( {
// Defaults
unloadIframes: true
}, options );
if( element && element.parentNode ) {
// HTML5 media elements
queryAll( element, 'video, audio' ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {
el.setAttribute('data-paused-by-reveal', '');
el.pause();
}
} );
// Generic postMessage API for non-lazy loaded iframes
queryAll( element, 'iframe' ).forEach( el => {
if( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );
el.removeEventListener( 'load', this.startEmbeddedIframe );
});
// YouTube postMessage API
queryAll( element, 'iframe[src*="youtube.com/embed/"]' ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
el.contentWindow.postMessage( '{"event":"command","func":"pauseVideo","args":""}', '*' );
}
});
// Vimeo postMessage API
queryAll( element, 'iframe[src*="player.vimeo.com/"]' ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
el.contentWindow.postMessage( '{"method":"pause"}', '*' );
}
});
if( options.unloadIframes === true ) {
// Unload lazy-loaded iframes
queryAll( element, 'iframe[data-src]' ).forEach( el => {
// Only removing the src doesn't actually unload the frame
// in all browsers (Firefox) so we set it to blank first
el.setAttribute( 'src', 'about:blank' );
el.removeAttribute( 'src' );
} );
}
}
}
}

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/**
* Handles the display of reveal.js' optional slide number.
*/
export default class SlideNumber {
constructor( Reveal ) {
this.Reveal = Reveal;
}
render() {
this.element = document.createElement( 'div' );
this.element.className = 'slide-number';
this.Reveal.getRevealElement().appendChild( this.element );
}
/**
* Called when the reveal.js config is updated.
*/
configure( config, oldConfig ) {
let slideNumberDisplay = 'none';
if( config.slideNumber && !this.Reveal.isPrintingPDF() ) {
if( config.showSlideNumber === 'all' ) {
slideNumberDisplay = 'block';
}
else if( config.showSlideNumber === 'speaker' && this.Reveal.isSpeakerNotes() ) {
slideNumberDisplay = 'block';
}
}
this.element.style.display = slideNumberDisplay;
}
/**
* Updates the slide number to match the current slide.
*/
update() {
// Update slide number if enabled
if( this.Reveal.getConfig().slideNumber && this.element ) {
this.element.innerHTML = this.getSlideNumber();
}
}
/**
* Returns the HTML string corresponding to the current slide
* number, including formatting.
*/
getSlideNumber( slide = this.Reveal.getCurrentSlide() ) {
let config = this.Reveal.getConfig();
let value;
let format = 'h.v';
if ( typeof config.slideNumber === 'function' ) {
value = config.slideNumber( slide );
} else {
// Check if a custom number format is available
if( typeof config.slideNumber === 'string' ) {
format = config.slideNumber;
}
// If there are ONLY vertical slides in this deck, always use
// a flattened slide number
if( !/c/.test( format ) && this.Reveal.getHorizontalSlides().length === 1 ) {
format = 'c';
}
value = [];
switch( format ) {
case 'c':
value.push( this.Reveal.getSlidePastCount( slide ) + 1 );
break;
case 'c/t':
value.push( this.Reveal.getSlidePastCount( slide ) + 1, '/', this.Reveal.getTotalSlides() );
break;
default:
let indices = this.Reveal.getIndices( slide );
value.push( indices.h + 1 );
let sep = format === 'h/v' ? '/' : '.';
if( this.Reveal.isVerticalSlide( slide ) ) value.push( sep, indices.v + 1 );
}
}
let url = '#' + this.Reveal.location.getHash( slide );
return this.formatNumber( value[0], value[1], value[2], url );
}
/**
* Applies HTML formatting to a slide number before it's
* written to the DOM.
*
* @param {number} a Current slide
* @param {string} delimiter Character to separate slide numbers
* @param {(number|*)} b Total slides
* @param {HTMLElement} [url='#'+locationHash()] The url to link to
* @return {string} HTML string fragment
*/
formatNumber( a, delimiter, b, url = '#' + this.Reveal.location.getHash() ) {
if( typeof b === 'number' && !isNaN( b ) ) {
return `<a href="${url}">
<span class="slide-number-a">${a}</span>
<span class="slide-number-delimiter">${delimiter}</span>
<span class="slide-number-b">${b}</span>
</a>`;
}
else {
return `<a href="${url}">
<span class="slide-number-a">${a}</span>
</a>`;
}
}
}

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import { isAndroid } from '../utils/device.js'
const SWIPE_THRESHOLD = 40;
/**
* Controls all touch interactions and navigations for
* a presentation.
*/
export default class Touch {
constructor( Reveal ) {
this.Reveal = Reveal;
// Holds information about the currently ongoing touch interaction
this.touchStartX = 0;
this.touchStartY = 0;
this.touchStartCount = 0;
this.touchCaptured = false;
this.onPointerDown = this.onPointerDown.bind( this );
this.onPointerMove = this.onPointerMove.bind( this );
this.onPointerUp = this.onPointerUp.bind( this );
this.onTouchStart = this.onTouchStart.bind( this );
this.onTouchMove = this.onTouchMove.bind( this );
this.onTouchEnd = this.onTouchEnd.bind( this );
}
/**
*
*/
bind() {
let revealElement = this.Reveal.getRevealElement();
if( 'onpointerdown' in window ) {
// Use W3C pointer events
revealElement.addEventListener( 'pointerdown', this.onPointerDown, false );
revealElement.addEventListener( 'pointermove', this.onPointerMove, false );
revealElement.addEventListener( 'pointerup', this.onPointerUp, false );
}
else if( window.navigator.msPointerEnabled ) {
// IE 10 uses prefixed version of pointer events
revealElement.addEventListener( 'MSPointerDown', this.onPointerDown, false );
revealElement.addEventListener( 'MSPointerMove', this.onPointerMove, false );
revealElement.addEventListener( 'MSPointerUp', this.onPointerUp, false );
}
else {
// Fall back to touch events
revealElement.addEventListener( 'touchstart', this.onTouchStart, false );
revealElement.addEventListener( 'touchmove', this.onTouchMove, false );
revealElement.addEventListener( 'touchend', this.onTouchEnd, false );
}
}
/**
*
*/
unbind() {
let revealElement = this.Reveal.getRevealElement();
revealElement.removeEventListener( 'pointerdown', this.onPointerDown, false );
revealElement.removeEventListener( 'pointermove', this.onPointerMove, false );
revealElement.removeEventListener( 'pointerup', this.onPointerUp, false );
revealElement.removeEventListener( 'MSPointerDown', this.onPointerDown, false );
revealElement.removeEventListener( 'MSPointerMove', this.onPointerMove, false );
revealElement.removeEventListener( 'MSPointerUp', this.onPointerUp, false );
revealElement.removeEventListener( 'touchstart', this.onTouchStart, false );
revealElement.removeEventListener( 'touchmove', this.onTouchMove, false );
revealElement.removeEventListener( 'touchend', this.onTouchEnd, false );
}
/**
* Checks if the target element prevents the triggering of
* swipe navigation.
*/
isSwipePrevented( target ) {
while( target && typeof target.hasAttribute === 'function' ) {
if( target.hasAttribute( 'data-prevent-swipe' ) ) return true;
target = target.parentNode;
}
return false;
}
/**
* Handler for the 'touchstart' event, enables support for
* swipe and pinch gestures.
*
* @param {object} event
*/
onTouchStart( event ) {
if( this.isSwipePrevented( event.target ) ) return true;
this.touchStartX = event.touches[0].clientX;
this.touchStartY = event.touches[0].clientY;
this.touchStartCount = event.touches.length;
}
/**
* Handler for the 'touchmove' event.
*
* @param {object} event
*/
onTouchMove( event ) {
if( this.isSwipePrevented( event.target ) ) return true;
let config = this.Reveal.getConfig();
// Each touch should only trigger one action
if( !this.touchCaptured ) {
this.Reveal.onUserInput( event );
let currentX = event.touches[0].clientX;
let currentY = event.touches[0].clientY;
// There was only one touch point, look for a swipe
if( event.touches.length === 1 && this.touchStartCount !== 2 ) {
let availableRoutes = this.Reveal.availableRoutes({ includeFragments: true });
let deltaX = currentX - this.touchStartX,
deltaY = currentY - this.touchStartY;
if( deltaX > SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
this.touchCaptured = true;
if( config.navigationMode === 'linear' ) {
if( config.rtl ) {
this.Reveal.next();
}
else {
this.Reveal.prev();
}
}
else {
this.Reveal.left();
}
}
else if( deltaX < -SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
this.touchCaptured = true;
if( config.navigationMode === 'linear' ) {
if( config.rtl ) {
this.Reveal.prev();
}
else {
this.Reveal.next();
}
}
else {
this.Reveal.right();
}
}
else if( deltaY > SWIPE_THRESHOLD && availableRoutes.up ) {
this.touchCaptured = true;
if( config.navigationMode === 'linear' ) {
this.Reveal.prev();
}
else {
this.Reveal.up();
}
}
else if( deltaY < -SWIPE_THRESHOLD && availableRoutes.down ) {
this.touchCaptured = true;
if( config.navigationMode === 'linear' ) {
this.Reveal.next();
}
else {
this.Reveal.down();
}
}
// If we're embedded, only block touch events if they have
// triggered an action
if( config.embedded ) {
if( this.touchCaptured || this.Reveal.isVerticalSlide() ) {
event.preventDefault();
}
}
// Not embedded? Block them all to avoid needless tossing
// around of the viewport in iOS
else {
event.preventDefault();
}
}
}
// There's a bug with swiping on some Android devices unless
// the default action is always prevented
else if( isAndroid ) {
event.preventDefault();
}
}
/**
* Handler for the 'touchend' event.
*
* @param {object} event
*/
onTouchEnd( event ) {
this.touchCaptured = false;
}
/**
* Convert pointer down to touch start.
*
* @param {object} event
*/
onPointerDown( event ) {
if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
this.onTouchStart( event );
}
}
/**
* Convert pointer move to touch move.
*
* @param {object} event
*/
onPointerMove( event ) {
if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
this.onTouchMove( event );
}
}
/**
* Convert pointer up to touch end.
*
* @param {object} event
*/
onPointerUp( event ) {
if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
this.onTouchEnd( event );
}
}
}

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import Deck from './reveal.js'
/**
* Expose the Reveal class to the window. To create a
* new instance:
* let deck = new Reveal( document.querySelector( '.reveal' ), {
* controls: false
* } );
* deck.initialize().then(() => {
* // reveal.js is ready
* });
*/
let Reveal = Deck;
/**
* The below is a thin shell that mimics the pre 4.0
* reveal.js API and ensures backwards compatibility.
* This API only allows for one Reveal instance per
* page, whereas the new API above lets you run many
* presentations on the same page.
*
* Reveal.initialize( { controls: false } ).then(() => {
* // reveal.js is ready
* });
*/
let enqueuedAPICalls = [];
Reveal.initialize = options => {
// Create our singleton reveal.js instance
Object.assign( Reveal, new Deck( document.querySelector( '.reveal' ), options ) );
// Invoke any enqueued API calls
enqueuedAPICalls.map( method => method( Reveal ) );
return Reveal.initialize();
}
/**
* The pre 4.0 API let you add event listener before
* initializing. We maintain the same behavior by
* queuing up premature API calls and invoking all
* of them when Reveal.initialize is called.
*/
[ 'on', 'off', 'addEventListener', 'removeEventListener', 'registerPlugin' ].forEach( method => {
Reveal[method] = ( ...args ) => {
enqueuedAPICalls.push( deck => deck[method].call( null, ...args ) );
}
} );
export default Reveal;

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js/utils/color.js Normal file
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/**
* Converts various color input formats to an {r:0,g:0,b:0} object.
*
* @param {string} color The string representation of a color
* @example
* colorToRgb('#000');
* @example
* colorToRgb('#000000');
* @example
* colorToRgb('rgb(0,0,0)');
* @example
* colorToRgb('rgba(0,0,0)');
*
* @return {{r: number, g: number, b: number, [a]: number}|null}
*/
export const colorToRgb = ( color ) => {
let hex3 = color.match( /^#([0-9a-f]{3})$/i );
if( hex3 && hex3[1] ) {
hex3 = hex3[1];
return {
r: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,
g: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,
b: parseInt( hex3.charAt( 2 ), 16 ) * 0x11
};
}
let hex6 = color.match( /^#([0-9a-f]{6})$/i );
if( hex6 && hex6[1] ) {
hex6 = hex6[1];
return {
r: parseInt( hex6.substr( 0, 2 ), 16 ),
g: parseInt( hex6.substr( 2, 2 ), 16 ),
b: parseInt( hex6.substr( 4, 2 ), 16 )
};
}
let rgb = color.match( /^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i );
if( rgb ) {
return {
r: parseInt( rgb[1], 10 ),
g: parseInt( rgb[2], 10 ),
b: parseInt( rgb[3], 10 )
};
}
let rgba = color.match( /^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i );
if( rgba ) {
return {
r: parseInt( rgba[1], 10 ),
g: parseInt( rgba[2], 10 ),
b: parseInt( rgba[3], 10 ),
a: parseFloat( rgba[4] )
};
}
return null;
}
/**
* Calculates brightness on a scale of 0-255.
*
* @param {string} color See colorToRgb for supported formats.
* @see {@link colorToRgb}
*/
export const colorBrightness = ( color ) => {
if( typeof color === 'string' ) color = colorToRgb( color );
if( color ) {
return ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;
}
return null;
}

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export const SLIDES_SELECTOR = '.slides section';
export const HORIZONTAL_SLIDES_SELECTOR = '.slides>section';
export const VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section';
// Methods that may not be invoked via the postMessage API
export const POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/;
// Regex for retrieving the fragment style from a class attribute
export const FRAGMENT_STYLE_REGEX = /fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/;

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const UA = navigator.userAgent;
const testElement = document.createElement( 'div' );
export const isMobile = /(iphone|ipod|ipad|android)/gi.test( UA ) ||
( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 ); // iPadOS
export const isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );
export const isAndroid = /android/gi.test( UA );
// Flags if we should use zoom instead of transform to scale
// up slides. Zoom produces crisper results but has a lot of
// xbrowser quirks so we only use it in whitelisted browsers.
export const supportsZoom = 'zoom' in testElement.style && !isMobile &&
( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );
export const supportsHistoryAPI = typeof window.history.replaceState === 'function' && !/PhantomJS/.test( UA );

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/**
* Loads a JavaScript file from the given URL and executes it.
*
* @param {string} url Address of the .js file to load
* @param {function} callback Method to invoke when the script
* has loaded and executed
*/
export const loadScript = ( url, callback ) => {
const script = document.createElement( 'script' );
script.type = 'text/javascript';
script.async = false;
script.defer = false;
script.src = url;
if( typeof callback === 'function' ) {
// Success callback
script.onload = script.onreadystatechange = event => {
if( event.type === 'load' || /loaded|complete/.test( script.readyState ) ) {
// Kill event listeners
script.onload = script.onreadystatechange = script.onerror = null;
callback();
}
};
// Error callback
script.onerror = err => {
// Kill event listeners
script.onload = script.onreadystatechange = script.onerror = null;
callback( new Error( 'Failed loading script: ' + script.src + '\n' + err ) );
};
}
// Append the script at the end of <head>
const head = document.querySelector( 'head' );
head.insertBefore( script, head.lastChild );
}

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/**
* Extend object a with the properties of object b.
* If there's a conflict, object b takes precedence.
*
* @param {object} a
* @param {object} b
*/
export const extend = ( a, b ) => {
for( let i in b ) {
a[ i ] = b[ i ];
}
return a;
}
/**
* querySelectorAll but returns an Array.
*/
export const queryAll = ( el, selector ) => {
return Array.from( el.querySelectorAll( selector ) );
}
/**
* classList.toggle() with cross browser support
*/
export const toggleClass = ( el, className, value ) => {
if( value ) {
el.classList.add( className );
}
else {
el.classList.remove( className );
}
}
/**
* Utility for deserializing a value.
*
* @param {*} value
* @return {*}
*/
export const deserialize = ( value ) => {
if( typeof value === 'string' ) {
if( value === 'null' ) return null;
else if( value === 'true' ) return true;
else if( value === 'false' ) return false;
else if( value.match( /^-?[\d\.]+$/ ) ) return parseFloat( value );
}
return value;
}
/**
* Measures the distance in pixels between point a
* and point b.
*
* @param {object} a point with x/y properties
* @param {object} b point with x/y properties
*
* @return {number}
*/
export const distanceBetween = ( a, b ) => {
let dx = a.x - b.x,
dy = a.y - b.y;
return Math.sqrt( dx*dx + dy*dy );
}
/**
* Applies a CSS transform to the target element.
*
* @param {HTMLElement} element
* @param {string} transform
*/
export const transformElement = ( element, transform ) => {
element.style.transform = transform;
}
/**
* Find the closest parent that matches the given
* selector.
*
* @param {HTMLElement} target The child element
* @param {String} selector The CSS selector to match
* the parents against
*
* @return {HTMLElement} The matched parent or null
* if no matching parent was found
*/
export const closestParent = ( target, selector ) => {
let parent = target.parentNode;
while( parent ) {
// There's some overhead doing this each time, we don't
// want to rewrite the element prototype but should still
// be enough to feature detect once at startup...
let matchesMethod = parent.matches || parent.matchesSelector || parent.msMatchesSelector;
// If we find a match, we're all set
if( matchesMethod && matchesMethod.call( parent, selector ) ) {
return parent;
}
// Keep searching
parent = parent.parentNode;
}
return null;
}
/**
* Handling the fullscreen functionality via the fullscreen API
*
* @see http://fullscreen.spec.whatwg.org/
* @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode
*/
export const enterFullscreen = element => {
element = element || document.documentElement;
// Check which implementation is available
let requestMethod = element.requestFullscreen ||
element.webkitRequestFullscreen ||
element.webkitRequestFullScreen ||
element.mozRequestFullScreen ||
element.msRequestFullscreen;
if( requestMethod ) {
requestMethod.apply( element );
}
}
/**
* Creates an HTML element and returns a reference to it.
* If the element already exists the existing instance will
* be returned.
*
* @param {HTMLElement} container
* @param {string} tagname
* @param {string} classname
* @param {string} innerHTML
*
* @return {HTMLElement}
*/
export const createSingletonNode = ( container, tagname, classname, innerHTML='' ) => {
// Find all nodes matching the description
let nodes = container.querySelectorAll( '.' + classname );
// Check all matches to find one which is a direct child of
// the specified container
for( let i = 0; i < nodes.length; i++ ) {
let testNode = nodes[i];
if( testNode.parentNode === container ) {
return testNode;
}
}
// If no node was found, create it now
let node = document.createElement( tagname );
node.className = classname;
node.innerHTML = innerHTML;
container.appendChild( node );
return node;
}
/**
* Injects the given CSS styles into the DOM.
*
* @param {string} value
*/
export const createStyleSheet = ( value ) => {
let tag = document.createElement( 'style' );
tag.type = 'text/css';
if( value && value.length > 0 ) {
if( tag.styleSheet ) {
tag.styleSheet.cssText = value;
}
else {
tag.appendChild( document.createTextNode( value ) );
}
}
document.head.appendChild( tag );
return tag;
}
/**
* Returns a key:value hash of all query params.
*/
export const getQueryHash = () => {
let query = {};
location.search.replace( /[A-Z0-9]+?=([\w\.%-]*)/gi, a => {
query[ a.split( '=' ).shift() ] = a.split( '=' ).pop();
} );
// Basic deserialization
for( let i in query ) {
let value = query[ i ];
query[ i ] = deserialize( unescape( value ) );
}
// Do not accept new dependencies via query config to avoid
// the potential of malicious script injection
if( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];
return query;
}
/**
* Returns the remaining height within the parent of the
* target element.
*
* remaining height = [ configured parent height ] - [ current parent height ]
*
* @param {HTMLElement} element
* @param {number} [height]
*/
export const getRemainingHeight = ( element, height = 0 ) => {
if( element ) {
let newHeight, oldHeight = element.style.height;
// Change the .stretch element height to 0 in order find the height of all
// the other elements
element.style.height = '0px';
// In Overview mode, the parent (.slide) height is set of 700px.
// Restore it temporarily to its natural height.
element.parentNode.style.height = 'auto';
newHeight = height - element.parentNode.offsetHeight;
// Restore the old height, just in case
element.style.height = oldHeight + 'px';
// Clear the parent (.slide) height. .removeProperty works in IE9+
element.parentNode.style.removeProperty('height');
return newHeight;
}
return height;
}

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lib/js/html5shiv.js vendored
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document.createElement('header');
document.createElement('nav');
document.createElement('section');
document.createElement('article');
document.createElement('aside');
document.createElement('footer');
document.createElement('hgroup');

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lib/js/promise.js
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