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hakyll-bootstrap/reveal.js/js/controllers/print.js deleted 100644 → 0
View file @ b103362d
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 = this.Reveal.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 );
}
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/controllers/progress.js deleted 100644 → 0
View file @ b103362d
/**
* 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 ) {
let scale = this.Reveal.getProgress();
// Don't fill the progress bar if there's only one slide
if( this.Reveal.getTotalSlides() < 2 ) {
scale = 0;
}
this.bar.style.transform = 'scaleX('+ scale +')';
}
}
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 );
}
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/controllers/slidecontent.js deleted 100644 → 0
View file @ b103362d
import { HORIZONTAL_SLIDES_SELECTOR, VERTICAL_SLIDES_SELECTOR } from '../utils/constants.js'
import { extend, queryAll, closest } from '../utils/util.js'
import { isMobile } from '../utils/device.js'
import fitty from 'fitty';
/**
* 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;
} );
// Enable inline video playback in mobile Safari
if( isMobile && media.tagName === 'VIDEO' ) {
media.setAttribute( 'playsinline', '' );
}
// 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;
}
// Enable inline playback in mobile Safari
//
// Mute is required for video to play when using
// swipe gestures to navigate since they don't
// count as direct user actions :'(
if( isMobile ) {
video.muted = 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 );
}
}
}
}
// Autosize text with the r-fit-text class based on the
// size of its container. This needs to happen after the
// slide is visible in order to measure the text.
Array.from( slide.querySelectorAll( '.r-fit-text:not([data-fitted])' ) ).forEach( element => {
element.dataset.fitted = '';
fitty( element, {
minSize: 24,
maxSize: this.Reveal.getConfig().height * 0.8,
observeMutations: false,
observeWindow: false
} );
} );
}
/**
* 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( closest( el, '.fragment' ) && !closest( 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' ) || !!closest( 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( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {
return;
}
this.startEmbeddedIframe( { target: el } );
} );
// Lazy loading iframes
queryAll( element, 'iframe[data-src]' ).forEach( el => {
if( closest( el, '.fragment' ) && !closest( 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 = !!closest( event.target, 'html' ),
isVisible = !!closest( 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 = !!closest( event.target, 'html' ),
isVisible = !!closest( 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' ) || !!closest( 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' );
} );
}
}
}
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/controllers/slidenumber.js deleted 100644 → 0
View file @ b103362d
/**
* 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';
}
// Offset the current slide number by 1 to make it 1-indexed
let horizontalOffset = slide && slide.dataset.visibility === 'uncounted' ? 0 : 1;
value = [];
switch( format ) {
case 'c':
value.push( this.Reveal.getSlidePastCount( slide ) + horizontalOffset );
break;
case 'c/t':
value.push( this.Reveal.getSlidePastCount( slide ) + horizontalOffset, '/', this.Reveal.getTotalSlides() );
break;
default:
let indices = this.Reveal.getIndices( slide );
value.push( indices.h + horizontalOffset );
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>`;
}
}
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/controllers/touch.js deleted 100644 → 0
View file @ b103362d
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 );
}
}
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/index.js deleted 100644 → 0
View file @ b103362d
import Deck, { VERSION } 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.
*/
[ 'configure', 'on', 'off', 'addEventListener', 'removeEventListener', 'registerPlugin' ].forEach( method => {
Reveal[method] = ( ...args ) => {
enqueuedAPICalls.push( deck => deck[method].call( null, ...args ) );
}
} );
Reveal.isReady = () => false;
Reveal.VERSION = VERSION;
export default Reveal;
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/reveal.js deleted 100644 → 0
View file @ b103362d
import SlideContent from './controllers/slidecontent.js'
import SlideNumber from './controllers/slidenumber.js'
import Backgrounds from './controllers/backgrounds.js'
import AutoAnimate from './controllers/autoanimate.js'
import Fragments from './controllers/fragments.js'
import Overview from './controllers/overview.js'
import Keyboard from './controllers/keyboard.js'
import Location from './controllers/location.js'
import Controls from './controllers/controls.js'
import Progress from './controllers/progress.js'
import Pointer from './controllers/pointer.js'
import Plugins from './controllers/plugins.js'
import Print from './controllers/print.js'
import Touch from './controllers/touch.js'
import Focus from './controllers/focus.js'
import Notes from './controllers/notes.js'
import Playback from './components/playback.js'
import defaultConfig from './config.js'
import * as Util from './utils/util.js'
import * as Device from './utils/device.js'
import {
SLIDES_SELECTOR,
HORIZONTAL_SLIDES_SELECTOR,
VERTICAL_SLIDES_SELECTOR,
POST_MESSAGE_METHOD_BLACKLIST
} from './utils/constants.js'
// The reveal.js version
export const VERSION = '4.1.0';
/**
* reveal.js
* https://revealjs.com
* MIT licensed
*
* Copyright (C) 2020 Hakim El Hattab, https://hakim.se
*/
export default function( revealElement, options ) {
// Support initialization with no args, one arg
// [options] or two args [revealElement, options]
if( arguments.length < 2 ) {
options = arguments[0];
revealElement = document.querySelector( '.reveal' );
}
const Reveal = {};
// Configuration defaults, can be overridden at initialization time
let config = {},
// Flags if reveal.js is loaded (has dispatched the 'ready' event)
ready = false,
// The horizontal and vertical index of the currently active slide
indexh,
indexv,
// The previous and current slide HTML elements
previousSlide,
currentSlide,
// Remember which directions that the user has navigated towards
navigationHistory = {
hasNavigatedHorizontally: false,
hasNavigatedVertically: false
},
// Slides may have a data-state attribute which we pick up and apply
// as a class to the body. This list contains the combined state of
// all current slides.
state = [],
// The current scale of the presentation (see width/height config)
scale = 1,
// CSS transform that is currently applied to the slides container,
// split into two groups
slidesTransform = { layout: '', overview: '' },
// Cached references to DOM elements
dom = {},
// Flags if the interaction event listeners are bound
eventsAreBound = false,
// The current slide transition state; idle or running
transition = 'idle',
// The current auto-slide duration
autoSlide = 0,
// Auto slide properties
autoSlidePlayer,
autoSlideTimeout = 0,
autoSlideStartTime = -1,
autoSlidePaused = false,
// Controllers for different aspects of our presentation. They're
// all given direct references to this Reveal instance since there
// may be multiple presentations running in parallel.
slideContent = new SlideContent( Reveal ),
slideNumber = new SlideNumber( Reveal ),
autoAnimate = new AutoAnimate( Reveal ),
backgrounds = new Backgrounds( Reveal ),
fragments = new Fragments( Reveal ),
overview = new Overview( Reveal ),
keyboard = new Keyboard( Reveal ),
location = new Location( Reveal ),
controls = new Controls( Reveal ),
progress = new Progress( Reveal ),
pointer = new Pointer( Reveal ),
plugins = new Plugins( Reveal ),
print = new Print( Reveal ),
focus = new Focus( Reveal ),
touch = new Touch( Reveal ),
notes = new Notes( Reveal );
/**
* Starts up the presentation.
*/
function initialize( initOptions ) {
// Cache references to key DOM elements
dom.wrapper = revealElement;
dom.slides = revealElement.querySelector( '.slides' );
// Compose our config object in order of increasing precedence:
// 1. Default reveal.js options
// 2. Options provided via Reveal.configure() prior to
// initialization
// 3. Options passed to the Reveal constructor
// 4. Options passed to Reveal.initialize
// 5. Query params
config = { ...defaultConfig, ...config, ...options, ...initOptions, ...Util.getQueryHash() };
setViewport();
// Force a layout when the whole page, incl fonts, has loaded
window.addEventListener( 'load', layout, false );
// Register plugins and load dependencies, then move on to #start()
plugins.load( config.plugins, config.dependencies ).then( start );
return new Promise( resolve => Reveal.on( 'ready', resolve ) );
}
/**
* Encase the presentation in a reveal.js viewport. The
* extent of the viewport differs based on configuration.
*/
function setViewport() {
// Embedded decks use the reveal element as their viewport
if( config.embedded === true ) {
dom.viewport = Util.closest( revealElement, '.reveal-viewport' ) || revealElement;
}
// Full-page decks use the body as their viewport
else {
dom.viewport = document.body;
document.documentElement.classList.add( 'reveal-full-page' );
}
dom.viewport.classList.add( 'reveal-viewport' );
}
/**
* Starts up reveal.js by binding input events and navigating
* to the current URL deeplink if there is one.
*/
function start() {
ready = true;
// Remove slides hidden with data-visibility
removeHiddenSlides();
// Make sure we've got all the DOM elements we need
setupDOM();
// Listen to messages posted to this window
setupPostMessage();
// Prevent the slides from being scrolled out of view
setupScrollPrevention();
// Resets all vertical slides so that only the first is visible
resetVerticalSlides();
// Updates the presentation to match the current configuration values
configure();
// Read the initial hash
location.readURL();
// Create slide backgrounds
backgrounds.update( true );
// Notify listeners that the presentation is ready but use a 1ms
// timeout to ensure it's not fired synchronously after #initialize()
setTimeout( () => {
// Enable transitions now that we're loaded
dom.slides.classList.remove( 'no-transition' );
dom.wrapper.classList.add( 'ready' );
dispatchEvent({
type: 'ready',
data: {
indexh,
indexv,
currentSlide
}
});
}, 1 );
// Special setup and config is required when printing to PDF
if( print.isPrintingPDF() ) {
removeEventListeners();
// The document needs to have loaded for the PDF layout
// measurements to be accurate
if( document.readyState === 'complete' ) {
print.setupPDF();
}
else {
window.addEventListener( 'load', () => {
print.setupPDF();
} );
}
}
}
/**
* Removes all slides with data-visibility="hidden". This
* is done right before the rest of the presentation is
* initialized.
*
* If you want to show all hidden slides, initialize
* reveal.js with showHiddenSlides set to true.
*/
function removeHiddenSlides() {
if( !config.showHiddenSlides ) {
Util.queryAll( dom.wrapper, 'section[data-visibility="hidden"]' ).forEach( slide => {
slide.parentNode.removeChild( slide );
} );
}
}
/**
* Finds and stores references to DOM elements which are
* required by the presentation. If a required element is
* not found, it is created.
*/
function setupDOM() {
// Prevent transitions while we're loading
dom.slides.classList.add( 'no-transition' );
if( Device.isMobile ) {
dom.wrapper.classList.add( 'no-hover' );
}
else {
dom.wrapper.classList.remove( 'no-hover' );
}
backgrounds.render();
slideNumber.render();
controls.render();
progress.render();
notes.render();
// Overlay graphic which is displayed during the paused mode
dom.pauseOverlay = Util.createSingletonNode( dom.wrapper, 'div', 'pause-overlay', config.controls ? '<button class="resume-button">Resume presentation</button>' : null );
dom.statusElement = createStatusElement();
dom.wrapper.setAttribute( 'role', 'application' );
}
/**
* Creates a hidden div with role aria-live to announce the
* current slide content. Hide the div off-screen to make it
* available only to Assistive Technologies.
*
* @return {HTMLElement}
*/
function createStatusElement() {
let statusElement = dom.wrapper.querySelector( '.aria-status' );
if( !statusElement ) {
statusElement = document.createElement( 'div' );
statusElement.style.position = 'absolute';
statusElement.style.height = '1px';
statusElement.style.width = '1px';
statusElement.style.overflow = 'hidden';
statusElement.style.clip = 'rect( 1px, 1px, 1px, 1px )';
statusElement.classList.add( 'aria-status' );
statusElement.setAttribute( 'aria-live', 'polite' );
statusElement.setAttribute( 'aria-atomic','true' );
dom.wrapper.appendChild( statusElement );
}
return statusElement;
}
/**
* Announces the given text to screen readers.
*/
function announceStatus( value ) {
dom.statusElement.textContent = value;
}
/**
* Converts the given HTML element into a string of text
* that can be announced to a screen reader. Hidden
* elements are excluded.
*/
function getStatusText( node ) {
let text = '';
// Text node
if( node.nodeType === 3 ) {
text += node.textContent;
}
// Element node
else if( node.nodeType === 1 ) {
let isAriaHidden = node.getAttribute( 'aria-hidden' );
let isDisplayHidden = window.getComputedStyle( node )['display'] === 'none';
if( isAriaHidden !== 'true' && !isDisplayHidden ) {
Array.from( node.childNodes ).forEach( child => {
text += getStatusText( child );
} );
}
}
text = text.trim();
return text === '' ? '' : text + ' ';
}
/**
* This is an unfortunate necessity. Some actions – such as
* an input field being focused in an iframe or using the
* keyboard to expand text selection beyond the bounds of
* a slide – can trigger our content to be pushed out of view.
* This scrolling can not be prevented by hiding overflow in
* CSS (we already do) so we have to resort to repeatedly
* checking if the slides have been offset :(
*/
function setupScrollPrevention() {
setInterval( () => {
if( dom.wrapper.scrollTop !== 0 || dom.wrapper.scrollLeft !== 0 ) {
dom.wrapper.scrollTop = 0;
dom.wrapper.scrollLeft = 0;
}
}, 1000 );
}
/**
* Registers a listener to postMessage events, this makes it
* possible to call all reveal.js API methods from another
* window. For example:
*
* revealWindow.postMessage( JSON.stringify({
* method: 'slide',
* args: [ 2 ]
* }), '*' );
*/
function setupPostMessage() {
if( config.postMessage ) {
window.addEventListener( 'message', event => {
let data = event.data;
// Make sure we're dealing with JSON
if( typeof data === 'string' && data.charAt( 0 ) === '{' && data.charAt( data.length - 1 ) === '}' ) {
data = JSON.parse( data );
// Check if the requested method can be found
if( data.method && typeof Reveal[data.method] === 'function' ) {
if( POST_MESSAGE_METHOD_BLACKLIST.test( data.method ) === false ) {
const result = Reveal[data.method].apply( Reveal, data.args );
// Dispatch a postMessage event with the returned value from
// our method invocation for getter functions
dispatchPostMessage( 'callback', { method: data.method, result: result } );
}
else {
console.warn( 'reveal.js: "'+ data.method +'" is is blacklisted from the postMessage API' );
}
}
}
}, false );
}
}
/**
* Applies the configuration settings from the config
* object. May be called multiple times.
*
* @param {object} options
*/
function configure( options ) {
const oldConfig = { ...config }
// New config options may be passed when this method
// is invoked through the API after initialization
if( typeof options === 'object' ) Util.extend( config, options );
// Abort if reveal.js hasn't finished loading, config
// changes will be applied automatically once ready
if( Reveal.isReady() === false ) return;
const numberOfSlides = dom.wrapper.querySelectorAll( SLIDES_SELECTOR ).length;
// The transition is added as a class on the .reveal element
dom.wrapper.classList.remove( oldConfig.transition );
dom.wrapper.classList.add( config.transition );
dom.wrapper.setAttribute( 'data-transition-speed', config.transitionSpeed );
dom.wrapper.setAttribute( 'data-background-transition', config.backgroundTransition );
// Expose our configured slide dimensions as custom props
dom.viewport.style.setProperty( '--slide-width', config.width + 'px' );
dom.viewport.style.setProperty( '--slide-height', config.height + 'px' );
if( config.shuffle ) {
shuffle();
}
Util.toggleClass( dom.wrapper, 'embedded', config.embedded );
Util.toggleClass( dom.wrapper, 'rtl', config.rtl );
Util.toggleClass( dom.wrapper, 'center', config.center );
// Exit the paused mode if it was configured off
if( config.pause === false ) {
resume();
}
// Iframe link previews
if( config.previewLinks ) {
enablePreviewLinks();
disablePreviewLinks( '[data-preview-link=false]' );
}
else {
disablePreviewLinks();
enablePreviewLinks( '[data-preview-link]:not([data-preview-link=false])' );
}
// Reset all changes made by auto-animations
autoAnimate.reset();
// Remove existing auto-slide controls
if( autoSlidePlayer ) {
autoSlidePlayer.destroy();
autoSlidePlayer = null;
}
// Generate auto-slide controls if needed
if( numberOfSlides > 1 && config.autoSlide && config.autoSlideStoppable ) {
autoSlidePlayer = new Playback( dom.wrapper, () => {
return Math.min( Math.max( ( Date.now() - autoSlideStartTime ) / autoSlide, 0 ), 1 );
} );
autoSlidePlayer.on( 'click', onAutoSlidePlayerClick );
autoSlidePaused = false;
}
// Add the navigation mode to the DOM so we can adjust styling
if( config.navigationMode !== 'default' ) {
dom.wrapper.setAttribute( 'data-navigation-mode', config.navigationMode );
}
else {
dom.wrapper.removeAttribute( 'data-navigation-mode' );
}
notes.configure( config, oldConfig );
focus.configure( config, oldConfig );
pointer.configure( config, oldConfig );
controls.configure( config, oldConfig );
progress.configure( config, oldConfig );
keyboard.configure( config, oldConfig );
fragments.configure( config, oldConfig );
slideNumber.configure( config, oldConfig );
sync();
}
/**
* Binds all event listeners.
*/
function addEventListeners() {
eventsAreBound = true;
window.addEventListener( 'resize', onWindowResize, false );
if( config.touch ) touch.bind();
if( config.keyboard ) keyboard.bind();
if( config.progress ) progress.bind();
if( config.respondToHashChanges ) location.bind();
controls.bind();
focus.bind();
dom.slides.addEventListener( 'transitionend', onTransitionEnd, false );
dom.pauseOverlay.addEventListener( 'click', resume, false );
if( config.focusBodyOnPageVisibilityChange ) {
document.addEventListener( 'visibilitychange', onPageVisibilityChange, false );
}
}
/**
* Unbinds all event listeners.
*/
function removeEventListeners() {
eventsAreBound = false;
touch.unbind();
focus.unbind();
keyboard.unbind();
controls.unbind();
progress.unbind();
location.unbind();
window.removeEventListener( 'resize', onWindowResize, false );
dom.slides.removeEventListener( 'transitionend', onTransitionEnd, false );
dom.pauseOverlay.removeEventListener( 'click', resume, false );
}
/**
* Adds a listener to one of our custom reveal.js events,
* like slidechanged.
*/
function on( type, listener, useCapture ) {
revealElement.addEventListener( type, listener, useCapture );
}
/**
* Unsubscribes from a reveal.js event.
*/
function off( type, listener, useCapture ) {
revealElement.removeEventListener( type, listener, useCapture );
}
/**
* Applies CSS transforms to the slides container. The container
* is transformed from two separate sources: layout and the overview
* mode.
*
* @param {object} transforms
*/
function transformSlides( transforms ) {
// Pick up new transforms from arguments
if( typeof transforms.layout === 'string' ) slidesTransform.layout = transforms.layout;
if( typeof transforms.overview === 'string' ) slidesTransform.overview = transforms.overview;
// Apply the transforms to the slides container
if( slidesTransform.layout ) {
Util.transformElement( dom.slides, slidesTransform.layout + ' ' + slidesTransform.overview );
}
else {
Util.transformElement( dom.slides, slidesTransform.overview );
}
}
/**
* Dispatches an event of the specified type from the
* reveal DOM element.
*/
function dispatchEvent({ target=dom.wrapper, type, data, bubbles=true }) {
let event = document.createEvent( 'HTMLEvents', 1, 2 );
event.initEvent( type, bubbles, true );
Util.extend( event, data );
target.dispatchEvent( event );
if( target === dom.wrapper ) {
// If we're in an iframe, post each reveal.js event to the
// parent window. Used by the notes plugin
dispatchPostMessage( type );
}
}
/**
* Dispatched a postMessage of the given type from our window.
*/
function dispatchPostMessage( type, data ) {
if( config.postMessageEvents && window.parent !== window.self ) {
let message = {
namespace: 'reveal',
eventName: type,
state: getState()
};
Util.extend( message, data );
window.parent.postMessage( JSON.stringify( message ), '*' );
}
}
/**
* Bind preview frame links.
*
* @param {string} [selector=a] - selector for anchors
*/
function enablePreviewLinks( selector = 'a' ) {
Array.from( dom.wrapper.querySelectorAll( selector ) ).forEach( element => {
if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
element.addEventListener( 'click', onPreviewLinkClicked, false );
}
} );
}
/**
* Unbind preview frame links.
*/
function disablePreviewLinks( selector = 'a' ) {
Array.from( dom.wrapper.querySelectorAll( selector ) ).forEach( element => {
if( /^(http|www)/gi.test( element.getAttribute( 'href' ) ) ) {
element.removeEventListener( 'click', onPreviewLinkClicked, false );
}
} );
}
/**
* Opens a preview window for the target URL.
*
* @param {string} url - url for preview iframe src
*/
function showPreview( url ) {
closeOverlay();
dom.overlay = document.createElement( 'div' );
dom.overlay.classList.add( 'overlay' );
dom.overlay.classList.add( 'overlay-preview' );
dom.wrapper.appendChild( dom.overlay );
dom.overlay.innerHTML =
`<header>
<a class="close" href="#"><span class="icon"></span></a>
<a class="external" href="${url}" target="_blank"><span class="icon"></span></a>
</header>
<div class="spinner"></div>
<div class="viewport">
<iframe src="${url}"></iframe>
<small class="viewport-inner">
<span class="x-frame-error">Unable to load iframe. This is likely due to the site's policy (x-frame-options).</span>
</small>
</div>`;
dom.overlay.querySelector( 'iframe' ).addEventListener( 'load', event => {
dom.overlay.classList.add( 'loaded' );
}, false );
dom.overlay.querySelector( '.close' ).addEventListener( 'click', event => {
closeOverlay();
event.preventDefault();
}, false );
dom.overlay.querySelector( '.external' ).addEventListener( 'click', event => {
closeOverlay();
}, false );
}
/**
* Open or close help overlay window.
*
* @param {Boolean} [override] Flag which overrides the
* toggle logic and forcibly sets the desired state. True means
* help is open, false means it's closed.
*/
function toggleHelp( override ){
if( typeof override === 'boolean' ) {
override ? showHelp() : closeOverlay();
}
else {
if( dom.overlay ) {
closeOverlay();
}
else {
showHelp();
}
}
}
/**
* Opens an overlay window with help material.
*/
function showHelp() {
if( config.help ) {
closeOverlay();
dom.overlay = document.createElement( 'div' );
dom.overlay.classList.add( 'overlay' );
dom.overlay.classList.add( 'overlay-help' );
dom.wrapper.appendChild( dom.overlay );
let html = '<p class="title">Keyboard Shortcuts</p><br/>';
let shortcuts = keyboard.getShortcuts(),
bindings = keyboard.getBindings();
html += '<table><th>KEY</th><th>ACTION</th>';
for( let key in shortcuts ) {
html += `<tr><td>${key}</td><td>${shortcuts[ key ]}</td></tr>`;
}
// Add custom key bindings that have associated descriptions
for( let binding in bindings ) {
if( bindings[binding].key && bindings[binding].description ) {
html += `<tr><td>${bindings[binding].key}</td><td>${bindings[binding].description}</td></tr>`;
}
}
html += '</table>';
dom.overlay.innerHTML = `
<header>
<a class="close" href="#"><span class="icon"></span></a>
</header>
<div class="viewport">
<div class="viewport-inner">${html}</div>
</div>
`;
dom.overlay.querySelector( '.close' ).addEventListener( 'click', event => {
closeOverlay();
event.preventDefault();
}, false );
}
}
/**
* Closes any currently open overlay.
*/
function closeOverlay() {
if( dom.overlay ) {
dom.overlay.parentNode.removeChild( dom.overlay );
dom.overlay = null;
return true;
}
return false;
}
/**
* Applies JavaScript-controlled layout rules to the
* presentation.
*/
function layout() {
if( dom.wrapper && !print.isPrintingPDF() ) {
if( !config.disableLayout ) {
// On some mobile devices '100vh' is taller than the visible
// viewport which leads to part of the presentation being
// cut off. To work around this we define our own '--vh' custom
// property where 100x adds up to the correct height.
//
// https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
if( Device.isMobile && !config.embedded ) {
document.documentElement.style.setProperty( '--vh', ( window.innerHeight * 0.01 ) + 'px' );
}
const size = getComputedSlideSize();
const oldScale = scale;
// Layout the contents of the slides
layoutSlideContents( config.width, config.height );
dom.slides.style.width = size.width + 'px';
dom.slides.style.height = size.height + 'px';
// Determine scale of content to fit within available space
scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );
// Respect max/min scale settings
scale = Math.max( scale, config.minScale );
scale = Math.min( scale, config.maxScale );
// Don't apply any scaling styles if scale is 1
if( scale === 1 ) {
dom.slides.style.zoom = '';
dom.slides.style.left = '';
dom.slides.style.top = '';
dom.slides.style.bottom = '';
dom.slides.style.right = '';
transformSlides( { layout: '' } );
}
else {
// Zoom Scaling
// Content remains crisp no matter how much we scale. Side
// effects are minor differences in text layout and iframe
// viewports changing size. A 200x200 iframe viewport in a
// 2x zoomed presentation ends up having a 400x400 viewport.
if( scale > 1 && Device.supportsZoom && window.devicePixelRatio < 2 ) {
dom.slides.style.zoom = scale;
dom.slides.style.left = '';
dom.slides.style.top = '';
dom.slides.style.bottom = '';
dom.slides.style.right = '';
transformSlides( { layout: '' } );
}
// Transform Scaling
// Content layout remains the exact same when scaled up.
// Side effect is content becoming blurred, especially with
// high scale values on ldpi screens.
else {
dom.slides.style.zoom = '';
dom.slides.style.left = '50%';
dom.slides.style.top = '50%';
dom.slides.style.bottom = 'auto';
dom.slides.style.right = 'auto';
transformSlides( { layout: 'translate(-50%, -50%) scale('+ scale +')' } );
}
}
// Select all slides, vertical and horizontal
const slides = Array.from( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) );
for( let i = 0, len = slides.length; i < len; i++ ) {
const slide = slides[ i ];
// Don't bother updating invisible slides
if( slide.style.display === 'none' ) {
continue;
}
if( config.center || slide.classList.contains( 'center' ) ) {
// Vertical stacks are not centred since their section
// children will be
if( slide.classList.contains( 'stack' ) ) {
slide.style.top = 0;
}
else {
slide.style.top = Math.max( ( size.height - slide.scrollHeight ) / 2, 0 ) + 'px';
}
}
else {
slide.style.top = '';
}
}
if( oldScale !== scale ) {
dispatchEvent({
type: 'resize',
data: {
oldScale,
scale,
size
}
});
}
}
progress.update();
backgrounds.updateParallax();
if( overview.isActive() ) {
overview.update();
}
}
}
/**
* Applies layout logic to the contents of all slides in
* the presentation.
*
* @param {string|number} width
* @param {string|number} height
*/
function layoutSlideContents( width, height ) {
// Handle sizing of elements with the 'r-stretch' class
Util.queryAll( dom.slides, 'section > .stretch, section > .r-stretch' ).forEach( element => {
// Determine how much vertical space we can use
let remainingHeight = Util.getRemainingHeight( element, height );
// Consider the aspect ratio of media elements
if( /(img|video)/gi.test( element.nodeName ) ) {
const nw = element.naturalWidth || element.videoWidth,
nh = element.naturalHeight || element.videoHeight;
const es = Math.min( width / nw, remainingHeight / nh );
element.style.width = ( nw * es ) + 'px';
element.style.height = ( nh * es ) + 'px';
}
else {
element.style.width = width + 'px';
element.style.height = remainingHeight + 'px';
}
} );
}
/**
* Calculates the computed pixel size of our slides. These
* values are based on the width and height configuration
* options.
*
* @param {number} [presentationWidth=dom.wrapper.offsetWidth]
* @param {number} [presentationHeight=dom.wrapper.offsetHeight]
*/
function getComputedSlideSize( presentationWidth, presentationHeight ) {
const size = {
// Slide size
width: config.width,
height: config.height,
// Presentation size
presentationWidth: presentationWidth || dom.wrapper.offsetWidth,
presentationHeight: presentationHeight || dom.wrapper.offsetHeight
};
// Reduce available space by margin
size.presentationWidth -= ( size.presentationWidth * config.margin );
size.presentationHeight -= ( size.presentationHeight * config.margin );
// Slide width may be a percentage of available width
if( typeof size.width === 'string' && /%$/.test( size.width ) ) {
size.width = parseInt( size.width, 10 ) / 100 * size.presentationWidth;
}
// Slide height may be a percentage of available height
if( typeof size.height === 'string' && /%$/.test( size.height ) ) {
size.height = parseInt( size.height, 10 ) / 100 * size.presentationHeight;
}
return size;
}
/**
* Stores the vertical index of a stack so that the same
* vertical slide can be selected when navigating to and
* from the stack.
*
* @param {HTMLElement} stack The vertical stack element
* @param {string|number} [v=0] Index to memorize
*/
function setPreviousVerticalIndex( stack, v ) {
if( typeof stack === 'object' && typeof stack.setAttribute === 'function' ) {
stack.setAttribute( 'data-previous-indexv', v || 0 );
}
}
/**
* Retrieves the vertical index which was stored using
* #setPreviousVerticalIndex() or 0 if no previous index
* exists.
*
* @param {HTMLElement} stack The vertical stack element
*/
function getPreviousVerticalIndex( stack ) {
if( typeof stack === 'object' && typeof stack.setAttribute === 'function' && stack.classList.contains( 'stack' ) ) {
// Prefer manually defined start-indexv
const attributeName = stack.hasAttribute( 'data-start-indexv' ) ? 'data-start-indexv' : 'data-previous-indexv';
return parseInt( stack.getAttribute( attributeName ) || 0, 10 );
}
return 0;
}
/**
* Checks if the current or specified slide is vertical
* (nested within another slide).
*
* @param {HTMLElement} [slide=currentSlide] The slide to check
* orientation of
* @return {Boolean}
*/
function isVerticalSlide( slide = currentSlide ) {
return slide && slide.parentNode && !!slide.parentNode.nodeName.match( /section/i );
}
/**
* Returns true if we're on the last slide in the current
* vertical stack.
*/
function isLastVerticalSlide() {
if( currentSlide && isVerticalSlide( currentSlide ) ) {
// Does this slide have a next sibling?
if( currentSlide.nextElementSibling ) return false;
return true;
}
return false;
}
/**
* Returns true if we're currently on the first slide in
* the presentation.
*/
function isFirstSlide() {
return indexh === 0 && indexv === 0;
}
/**
* Returns true if we're currently on the last slide in
* the presenation. If the last slide is a stack, we only
* consider this the last slide if it's at the end of the
* stack.
*/
function isLastSlide() {
if( currentSlide ) {
// Does this slide have a next sibling?
if( currentSlide.nextElementSibling ) return false;
// If it's vertical, does its parent have a next sibling?
if( isVerticalSlide( currentSlide ) && currentSlide.parentNode.nextElementSibling ) return false;
return true;
}
return false;
}
/**
* Enters the paused mode which fades everything on screen to
* black.
*/
function pause() {
if( config.pause ) {
const wasPaused = dom.wrapper.classList.contains( 'paused' );
cancelAutoSlide();
dom.wrapper.classList.add( 'paused' );
if( wasPaused === false ) {
dispatchEvent({ type: 'paused' });
}
}
}
/**
* Exits from the paused mode.
*/
function resume() {
const wasPaused = dom.wrapper.classList.contains( 'paused' );
dom.wrapper.classList.remove( 'paused' );
cueAutoSlide();
if( wasPaused ) {
dispatchEvent({ type: 'resumed' });
}
}
/**
* Toggles the paused mode on and off.
*/
function togglePause( override ) {
if( typeof override === 'boolean' ) {
override ? pause() : resume();
}
else {
isPaused() ? resume() : pause();
}
}
/**
* Checks if we are currently in the paused mode.
*
* @return {Boolean}
*/
function isPaused() {
return dom.wrapper.classList.contains( 'paused' );
}
/**
* Toggles the auto slide mode on and off.
*
* @param {Boolean} [override] Flag which sets the desired state.
* True means autoplay starts, false means it stops.
*/
function toggleAutoSlide( override ) {
if( typeof override === 'boolean' ) {
override ? resumeAutoSlide() : pauseAutoSlide();
}
else {
autoSlidePaused ? resumeAutoSlide() : pauseAutoSlide();
}
}
/**
* Checks if the auto slide mode is currently on.
*
* @return {Boolean}
*/
function isAutoSliding() {
return !!( autoSlide && !autoSlidePaused );
}
/**
* Steps from the current point in the presentation to the
* slide which matches the specified horizontal and vertical
* indices.
*
* @param {number} [h=indexh] Horizontal index of the target slide
* @param {number} [v=indexv] Vertical index of the target slide
* @param {number} [f] Index of a fragment within the
* target slide to activate
* @param {number} [o] Origin for use in multimaster environments
*/
function slide( h, v, f, o ) {
// Remember where we were at before
previousSlide = currentSlide;
// Query all horizontal slides in the deck
const horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR );
// Abort if there are no slides
if( horizontalSlides.length === 0 ) return;
// If no vertical index is specified and the upcoming slide is a
// stack, resume at its previous vertical index
if( v === undefined && !overview.isActive() ) {
v = getPreviousVerticalIndex( horizontalSlides[ h ] );
}
// If we were on a vertical stack, remember what vertical index
// it was on so we can resume at the same position when returning
if( previousSlide && previousSlide.parentNode && previousSlide.parentNode.classList.contains( 'stack' ) ) {
setPreviousVerticalIndex( previousSlide.parentNode, indexv );
}
// Remember the state before this slide
const stateBefore = state.concat();
// Reset the state array
state.length = 0;
let indexhBefore = indexh || 0,
indexvBefore = indexv || 0;
// Activate and transition to the new slide
indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
indexv = updateSlides( VERTICAL_SLIDES_SELECTOR, v === undefined ? indexv : v );
// Dispatch an event if the slide changed
let slideChanged = ( indexh !== indexhBefore || indexv !== indexvBefore );
// Ensure that the previous slide is never the same as the current
if( !slideChanged ) previousSlide = null;
// Find the current horizontal slide and any possible vertical slides
// within it
let currentHorizontalSlide = horizontalSlides[ indexh ],
currentVerticalSlides = currentHorizontalSlide.querySelectorAll( 'section' );
// Store references to the previous and current slides
currentSlide = currentVerticalSlides[ indexv ] || currentHorizontalSlide;
let autoAnimateTransition = false;
// Detect if we're moving between two auto-animated slides
if( slideChanged && previousSlide && currentSlide && !overview.isActive() ) {
// If this is an auto-animated transition, we disable the
// regular slide transition
//
// Note 20-03-2020:
// This needs to happen before we update slide visibility,
// otherwise transitions will still run in Safari.
if( previousSlide.hasAttribute( 'data-auto-animate' ) && currentSlide.hasAttribute( 'data-auto-animate' ) ) {
autoAnimateTransition = true;
dom.slides.classList.add( 'disable-slide-transitions' );
}
transition = 'running';
}
// Update the visibility of slides now that the indices have changed
updateSlidesVisibility();
layout();
// Update the overview if it's currently active
if( overview.isActive() ) {
overview.update();
}
// Show fragment, if specified
if( typeof f !== 'undefined' ) {
fragments.goto( f );
}
// Solves an edge case where the previous slide maintains the
// 'present' class when navigating between adjacent vertical
// stacks
if( previousSlide && previousSlide !== currentSlide ) {
previousSlide.classList.remove( 'present' );
previousSlide.setAttribute( 'aria-hidden', 'true' );
// Reset all slides upon navigate to home
if( isFirstSlide() ) {
// Launch async task
setTimeout( () => {
getVerticalStacks().forEach( slide => {
setPreviousVerticalIndex( slide, 0 );
} );
}, 0 );
}
}
// Apply the new state
stateLoop: for( let i = 0, len = state.length; i < len; i++ ) {
// Check if this state existed on the previous slide. If it
// did, we will avoid adding it repeatedly
for( let j = 0; j < stateBefore.length; j++ ) {
if( stateBefore[j] === state[i] ) {
stateBefore.splice( j, 1 );
continue stateLoop;
}
}
dom.viewport.classList.add( state[i] );
// Dispatch custom event matching the state's name
dispatchEvent({ type: state[i] });
}
// Clean up the remains of the previous state
while( stateBefore.length ) {
dom.viewport.classList.remove( stateBefore.pop() );
}
if( slideChanged ) {
dispatchEvent({
type: 'slidechanged',
data: {
indexh,
indexv,
previousSlide,
currentSlide,
origin: o
}
});
}
// Handle embedded content
if( slideChanged || !previousSlide ) {
slideContent.stopEmbeddedContent( previousSlide );
slideContent.startEmbeddedContent( currentSlide );
}
// Announce the current slide contents to screen readers
announceStatus( getStatusText( currentSlide ) );
progress.update();
controls.update();
notes.update();
backgrounds.update();
backgrounds.updateParallax();
slideNumber.update();
fragments.update();
// Update the URL hash
location.writeURL();
cueAutoSlide();
// Auto-animation
if( autoAnimateTransition ) {
setTimeout( () => {
dom.slides.classList.remove( 'disable-slide-transitions' );
}, 0 );
if( config.autoAnimate ) {
// Run the auto-animation between our slides
autoAnimate.run( previousSlide, currentSlide );
}
}
}
/**
* Syncs the presentation with the current DOM. Useful
* when new slides or control elements are added or when
* the configuration has changed.
*/
function sync() {
// Subscribe to input
removeEventListeners();
addEventListeners();
// Force a layout to make sure the current config is accounted for
layout();
// Reflect the current autoSlide value
autoSlide = config.autoSlide;
// Start auto-sliding if it's enabled
cueAutoSlide();
// Re-create all slide backgrounds
backgrounds.create();
// Write the current hash to the URL
location.writeURL();
fragments.sortAll();
controls.update();
progress.update();
updateSlidesVisibility();
notes.update();
notes.updateVisibility();
backgrounds.update( true );
slideNumber.update();
slideContent.formatEmbeddedContent();
// Start or stop embedded content depending on global config
if( config.autoPlayMedia === false ) {
slideContent.stopEmbeddedContent( currentSlide, { unloadIframes: false } );
}
else {
slideContent.startEmbeddedContent( currentSlide );
}
if( overview.isActive() ) {
overview.layout();
}
}
/**
* Updates reveal.js to keep in sync with new slide attributes. For
* example, if you add a new `data-background-image` you can call
* this to have reveal.js render the new background image.
*
* Similar to #sync() but more efficient when you only need to
* refresh a specific slide.
*
* @param {HTMLElement} slide
*/
function syncSlide( slide = currentSlide ) {
backgrounds.sync( slide );
fragments.sync( slide );
slideContent.load( slide );
backgrounds.update();
notes.update();
}
/**
* Resets all vertical slides so that only the first
* is visible.
*/
function resetVerticalSlides() {
getHorizontalSlides().forEach( horizontalSlide => {
Util.queryAll( horizontalSlide, 'section' ).forEach( ( verticalSlide, y ) => {
if( y > 0 ) {
verticalSlide.classList.remove( 'present' );
verticalSlide.classList.remove( 'past' );
verticalSlide.classList.add( 'future' );
verticalSlide.setAttribute( 'aria-hidden', 'true' );
}
} );
} );
}
/**
* Randomly shuffles all slides in the deck.
*/
function shuffle( slides = getHorizontalSlides() ) {
slides.forEach( ( slide, i ) => {
// Insert the slide next to a randomly picked sibling slide
// slide. This may cause the slide to insert before itself,
// but that's not an issue.
let beforeSlide = slides[ Math.floor( Math.random() * slides.length ) ];
if( beforeSlide.parentNode === slide.parentNode ) {
slide.parentNode.insertBefore( slide, beforeSlide );
}
// Randomize the order of vertical slides (if there are any)
let verticalSlides = slide.querySelectorAll( 'section' );
if( verticalSlides.length ) {
shuffle( verticalSlides );
}
} );
}
/**
* Updates one dimension of slides by showing the slide
* with the specified index.
*
* @param {string} selector A CSS selector that will fetch
* the group of slides we are working with
* @param {number} index The index of the slide that should be
* shown
*
* @return {number} The index of the slide that is now shown,
* might differ from the passed in index if it was out of
* bounds.
*/
function updateSlides( selector, index ) {
// Select all slides and convert the NodeList result to
// an array
let slides = Util.queryAll( dom.wrapper, selector ),
slidesLength = slides.length;
let printMode = print.isPrintingPDF();
if( slidesLength ) {
// Should the index loop?
if( config.loop ) {
index %= slidesLength;
if( index < 0 ) {
index = slidesLength + index;
}
}
// Enforce max and minimum index bounds
index = Math.max( Math.min( index, slidesLength - 1 ), 0 );
for( let i = 0; i < slidesLength; i++ ) {
let element = slides[i];
let reverse = config.rtl && !isVerticalSlide( element );
// Avoid .remove() with multiple args for IE11 support
element.classList.remove( 'past' );
element.classList.remove( 'present' );
element.classList.remove( 'future' );
// http://www.w3.org/html/wg/drafts/html/master/editing.html#the-hidden-attribute
element.setAttribute( 'hidden', '' );
element.setAttribute( 'aria-hidden', 'true' );
// If this element contains vertical slides
if( element.querySelector( 'section' ) ) {
element.classList.add( 'stack' );
}
// If we're printing static slides, all slides are "present"
if( printMode ) {
element.classList.add( 'present' );
continue;
}
if( i < index ) {
// Any element previous to index is given the 'past' class
element.classList.add( reverse ? 'future' : 'past' );
if( config.fragments ) {
// Show all fragments in prior slides
Util.queryAll( element, '.fragment' ).forEach( fragment => {
fragment.classList.add( 'visible' );
fragment.classList.remove( 'current-fragment' );
} );
}
}
else if( i > index ) {
// Any element subsequent to index is given the 'future' class
element.classList.add( reverse ? 'past' : 'future' );
if( config.fragments ) {
// Hide all fragments in future slides
Util.queryAll( element, '.fragment.visible' ).forEach( fragment => {
fragment.classList.remove( 'visible', 'current-fragment' );
} );
}
}
}
let slide = slides[index];
let wasPresent = slide.classList.contains( 'present' );
// Mark the current slide as present
slide.classList.add( 'present' );
slide.removeAttribute( 'hidden' );
slide.removeAttribute( 'aria-hidden' );
if( !wasPresent ) {
// Dispatch an event indicating the slide is now visible
dispatchEvent({
target: slide,
type: 'visible',
bubbles: false
});
}
// If this slide has a state associated with it, add it
// onto the current state of the deck
let slideState = slide.getAttribute( 'data-state' );
if( slideState ) {
state = state.concat( slideState.split( ' ' ) );
}
}
else {
// Since there are no slides we can't be anywhere beyond the
// zeroth index
index = 0;
}
return index;
}
/**
* Optimization method; hide all slides that are far away
* from the present slide.
*/
function updateSlidesVisibility() {
// Select all slides and convert the NodeList result to
// an array
let horizontalSlides = getHorizontalSlides(),
horizontalSlidesLength = horizontalSlides.length,
distanceX,
distanceY;
if( horizontalSlidesLength && typeof indexh !== 'undefined' ) {
// The number of steps away from the present slide that will
// be visible
let viewDistance = overview.isActive() ? 10 : config.viewDistance;
// Shorten the view distance on devices that typically have
// less resources
if( Device.isMobile ) {
viewDistance = overview.isActive() ? 6 : config.mobileViewDistance;
}
// All slides need to be visible when exporting to PDF
if( print.isPrintingPDF() ) {
viewDistance = Number.MAX_VALUE;
}
for( let x = 0; x < horizontalSlidesLength; x++ ) {
let horizontalSlide = horizontalSlides[x];
let verticalSlides = Util.queryAll( horizontalSlide, 'section' ),
verticalSlidesLength = verticalSlides.length;
// Determine how far away this slide is from the present
distanceX = Math.abs( ( indexh || 0 ) - x ) || 0;
// If the presentation is looped, distance should measure
// 1 between the first and last slides
if( config.loop ) {
distanceX = Math.abs( ( ( indexh || 0 ) - x ) % ( horizontalSlidesLength - viewDistance ) ) || 0;
}
// Show the horizontal slide if it's within the view distance
if( distanceX < viewDistance ) {
slideContent.load( horizontalSlide );
}
else {
slideContent.unload( horizontalSlide );
}
if( verticalSlidesLength ) {
let oy = getPreviousVerticalIndex( horizontalSlide );
for( let y = 0; y < verticalSlidesLength; y++ ) {
let verticalSlide = verticalSlides[y];
distanceY = x === ( indexh || 0 ) ? Math.abs( ( indexv || 0 ) - y ) : Math.abs( y - oy );
if( distanceX + distanceY < viewDistance ) {
slideContent.load( verticalSlide );
}
else {
slideContent.unload( verticalSlide );
}
}
}
}
// Flag if there are ANY vertical slides, anywhere in the deck
if( hasVerticalSlides() ) {
dom.wrapper.classList.add( 'has-vertical-slides' );
}
else {
dom.wrapper.classList.remove( 'has-vertical-slides' );
}
// Flag if there are ANY horizontal slides, anywhere in the deck
if( hasHorizontalSlides() ) {
dom.wrapper.classList.add( 'has-horizontal-slides' );
}
else {
dom.wrapper.classList.remove( 'has-horizontal-slides' );
}
}
}
/**
* Determine what available routes there are for navigation.
*
* @return {{left: boolean, right: boolean, up: boolean, down: boolean}}
*/
function availableRoutes({ includeFragments = false } = {}) {
let horizontalSlides = dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ),
verticalSlides = dom.wrapper.querySelectorAll( VERTICAL_SLIDES_SELECTOR );
let routes = {
left: indexh > 0,
right: indexh < horizontalSlides.length - 1,
up: indexv > 0,
down: indexv < verticalSlides.length - 1
};
// Looped presentations can always be navigated as long as
// there are slides available
if( config.loop ) {
if( horizontalSlides.length > 1 ) {
routes.left = true;
routes.right = true;
}
if( verticalSlides.length > 1 ) {
routes.up = true;
routes.down = true;
}
}
if ( horizontalSlides.length > 1 && config.navigationMode === 'linear' ) {
routes.right = routes.right || routes.down;
routes.left = routes.left || routes.up;
}
// If includeFragments is set, a route will be considered
// availalbe if either a slid OR fragment is available in
// the given direction
if( includeFragments === true ) {
let fragmentRoutes = fragments.availableRoutes();
routes.left = routes.left || fragmentRoutes.prev;
routes.up = routes.up || fragmentRoutes.prev;
routes.down = routes.down || fragmentRoutes.next;
routes.right = routes.right || fragmentRoutes.next;
}
// Reverse horizontal controls for rtl
if( config.rtl ) {
let left = routes.left;
routes.left = routes.right;
routes.right = left;
}
return routes;
}
/**
* Returns the number of past slides. This can be used as a global
* flattened index for slides.
*
* @param {HTMLElement} [slide=currentSlide] The slide we're counting before
*
* @return {number} Past slide count
*/
function getSlidePastCount( slide = currentSlide ) {
let horizontalSlides = getHorizontalSlides();
// The number of past slides
let pastCount = 0;
// Step through all slides and count the past ones
mainLoop: for( let i = 0; i < horizontalSlides.length; i++ ) {
let horizontalSlide = horizontalSlides[i];
let verticalSlides = horizontalSlide.querySelectorAll( 'section' );
for( let j = 0; j < verticalSlides.length; j++ ) {
// Stop as soon as we arrive at the present
if( verticalSlides[j] === slide ) {
break mainLoop;
}
// Don't count slides with the "uncounted" class
if( verticalSlides[j].dataset.visibility !== 'uncounted' ) {
pastCount++;
}
}
// Stop as soon as we arrive at the present
if( horizontalSlide === slide ) {
break;
}
// Don't count the wrapping section for vertical slides and
// slides marked as uncounted
if( horizontalSlide.classList.contains( 'stack' ) === false && horizontalSlide.dataset.visibility !== 'uncounted' ) {
pastCount++;
}
}
return pastCount;
}
/**
* Returns a value ranging from 0-1 that represents
* how far into the presentation we have navigated.
*
* @return {number}
*/
function getProgress() {
// The number of past and total slides
let totalCount = getTotalSlides();
let pastCount = getSlidePastCount();
if( currentSlide ) {
let allFragments = currentSlide.querySelectorAll( '.fragment' );
// If there are fragments in the current slide those should be
// accounted for in the progress.
if( allFragments.length > 0 ) {
let visibleFragments = currentSlide.querySelectorAll( '.fragment.visible' );
// This value represents how big a portion of the slide progress
// that is made up by its fragments (0-1)
let fragmentWeight = 0.9;
// Add fragment progress to the past slide count
pastCount += ( visibleFragments.length / allFragments.length ) * fragmentWeight;
}
}
return Math.min( pastCount / ( totalCount - 1 ), 1 );
}
/**
* Retrieves the h/v location and fragment of the current,
* or specified, slide.
*
* @param {HTMLElement} [slide] If specified, the returned
* index will be for this slide rather than the currently
* active one
*
* @return {{h: number, v: number, f: number}}
*/
function getIndices( slide ) {
// By default, return the current indices
let h = indexh,
v = indexv,
f;
// If a slide is specified, return the indices of that slide
if( slide ) {
let isVertical = isVerticalSlide( slide );
let slideh = isVertical ? slide.parentNode : slide;
// Select all horizontal slides
let horizontalSlides = getHorizontalSlides();
// Now that we know which the horizontal slide is, get its index
h = Math.max( horizontalSlides.indexOf( slideh ), 0 );
// Assume we're not vertical
v = undefined;
// If this is a vertical slide, grab the vertical index
if( isVertical ) {
v = Math.max( Util.queryAll( slide.parentNode, 'section' ).indexOf( slide ), 0 );
}
}
if( !slide && currentSlide ) {
let hasFragments = currentSlide.querySelectorAll( '.fragment' ).length > 0;
if( hasFragments ) {
let currentFragment = currentSlide.querySelector( '.current-fragment' );
if( currentFragment && currentFragment.hasAttribute( 'data-fragment-index' ) ) {
f = parseInt( currentFragment.getAttribute( 'data-fragment-index' ), 10 );
}
else {
f = currentSlide.querySelectorAll( '.fragment.visible' ).length - 1;
}
}
}
return { h, v, f };
}
/**
* Retrieves all slides in this presentation.
*/
function getSlides() {
return Util.queryAll( dom.wrapper, SLIDES_SELECTOR + ':not(.stack):not([data-visibility="uncounted"])' );
}
/**
* Returns a list of all horizontal slides in the deck. Each
* vertical stack is included as one horizontal slide in the
* resulting array.
*/
function getHorizontalSlides() {
return Util.queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR );
}
/**
* Returns all vertical slides that exist within this deck.
*/
function getVerticalSlides() {
return Util.queryAll( dom.wrapper, '.slides>section>section' );
}
/**
* Returns all vertical stacks (each stack can contain multiple slides).
*/
function getVerticalStacks() {
return Util.queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR + '.stack');
}
/**
* Returns true if there are at least two horizontal slides.
*/
function hasHorizontalSlides() {
return getHorizontalSlides().length > 1;
}
/**
* Returns true if there are at least two vertical slides.
*/
function hasVerticalSlides() {
return getVerticalSlides().length > 1;
}
/**
* Returns an array of objects where each object represents the
* attributes on its respective slide.
*/
function getSlidesAttributes() {
return getSlides().map( slide => {
let attributes = {};
for( let i = 0; i < slide.attributes.length; i++ ) {
let attribute = slide.attributes[ i ];
attributes[ attribute.name ] = attribute.value;
}
return attributes;
} );
}
/**
* Retrieves the total number of slides in this presentation.
*
* @return {number}
*/
function getTotalSlides() {
return getSlides().length;
}
/**
* Returns the slide element matching the specified index.
*
* @return {HTMLElement}
*/
function getSlide( x, y ) {
let horizontalSlide = getHorizontalSlides()[ x ];
let verticalSlides = horizontalSlide && horizontalSlide.querySelectorAll( 'section' );
if( verticalSlides && verticalSlides.length && typeof y === 'number' ) {
return verticalSlides ? verticalSlides[ y ] : undefined;
}
return horizontalSlide;
}
/**
* Returns the background element for the given slide.
* All slides, even the ones with no background properties
* defined, have a background element so as long as the
* index is valid an element will be returned.
*
* @param {mixed} x Horizontal background index OR a slide
* HTML element
* @param {number} y Vertical background index
* @return {(HTMLElement[]|*)}
*/
function getSlideBackground( x, y ) {
let slide = typeof x === 'number' ? getSlide( x, y ) : x;
if( slide ) {
return slide.slideBackgroundElement;
}
return undefined;
}
/**
* Retrieves the current state of the presentation as
* an object. This state can then be restored at any
* time.
*
* @return {{indexh: number, indexv: number, indexf: number, paused: boolean, overview: boolean}}
*/
function getState() {
let indices = getIndices();
return {
indexh: indices.h,
indexv: indices.v,
indexf: indices.f,
paused: isPaused(),
overview: overview.isActive()
};
}
/**
* Restores the presentation to the given state.
*
* @param {object} state As generated by getState()
* @see {@link getState} generates the parameter `state`
*/
function setState( state ) {
if( typeof state === 'object' ) {
slide( Util.deserialize( state.indexh ), Util.deserialize( state.indexv ), Util.deserialize( state.indexf ) );
let pausedFlag = Util.deserialize( state.paused ),
overviewFlag = Util.deserialize( state.overview );
if( typeof pausedFlag === 'boolean' && pausedFlag !== isPaused() ) {
togglePause( pausedFlag );
}
if( typeof overviewFlag === 'boolean' && overviewFlag !== overview.isActive() ) {
overview.toggle( overviewFlag );
}
}
}
/**
* Cues a new automated slide if enabled in the config.
*/
function cueAutoSlide() {
cancelAutoSlide();
if( currentSlide && config.autoSlide !== false ) {
let fragment = currentSlide.querySelector( '.current-fragment' );
// When the slide first appears there is no "current" fragment so
// we look for a data-autoslide timing on the first fragment
if( !fragment ) fragment = currentSlide.querySelector( '.fragment' );
let fragmentAutoSlide = fragment ? fragment.getAttribute( 'data-autoslide' ) : null;
let parentAutoSlide = currentSlide.parentNode ? currentSlide.parentNode.getAttribute( 'data-autoslide' ) : null;
let slideAutoSlide = currentSlide.getAttribute( 'data-autoslide' );
// Pick value in the following priority order:
// 1. Current fragment's data-autoslide
// 2. Current slide's data-autoslide
// 3. Parent slide's data-autoslide
// 4. Global autoSlide setting
if( fragmentAutoSlide ) {
autoSlide = parseInt( fragmentAutoSlide, 10 );
}
else if( slideAutoSlide ) {
autoSlide = parseInt( slideAutoSlide, 10 );
}
else if( parentAutoSlide ) {
autoSlide = parseInt( parentAutoSlide, 10 );
}
else {
autoSlide = config.autoSlide;
// If there are media elements with data-autoplay,
// automatically set the autoSlide duration to the
// length of that media. Not applicable if the slide
// is divided up into fragments.
// playbackRate is accounted for in the duration.
if( currentSlide.querySelectorAll( '.fragment' ).length === 0 ) {
Util.queryAll( currentSlide, 'video, audio' ).forEach( el => {
if( el.hasAttribute( 'data-autoplay' ) ) {
if( autoSlide && (el.duration * 1000 / el.playbackRate ) > autoSlide ) {
autoSlide = ( el.duration * 1000 / el.playbackRate ) + 1000;
}
}
} );
}
}
// Cue the next auto-slide if:
// - There is an autoSlide value
// - Auto-sliding isn't paused by the user
// - The presentation isn't paused
// - The overview isn't active
// - The presentation isn't over
if( autoSlide && !autoSlidePaused && !isPaused() && !overview.isActive() && ( !isLastSlide() || fragments.availableRoutes().next || config.loop === true ) ) {
autoSlideTimeout = setTimeout( () => {
if( typeof config.autoSlideMethod === 'function' ) {
config.autoSlideMethod()
}
else {
navigateNext();
}
cueAutoSlide();
}, autoSlide );
autoSlideStartTime = Date.now();
}
if( autoSlidePlayer ) {
autoSlidePlayer.setPlaying( autoSlideTimeout !== -1 );
}
}
}
/**
* Cancels any ongoing request to auto-slide.
*/
function cancelAutoSlide() {
clearTimeout( autoSlideTimeout );
autoSlideTimeout = -1;
}
function pauseAutoSlide() {
if( autoSlide && !autoSlidePaused ) {
autoSlidePaused = true;
dispatchEvent({ type: 'autoslidepaused' });
clearTimeout( autoSlideTimeout );
if( autoSlidePlayer ) {
autoSlidePlayer.setPlaying( false );
}
}
}
function resumeAutoSlide() {
if( autoSlide && autoSlidePaused ) {
autoSlidePaused = false;
dispatchEvent({ type: 'autoslideresumed' });
cueAutoSlide();
}
}
function navigateLeft() {
navigationHistory.hasNavigatedHorizontally = true;
// Reverse for RTL
if( config.rtl ) {
if( ( overview.isActive() || fragments.next() === false ) && availableRoutes().left ) {
slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined );
}
}
// Normal navigation
else if( ( overview.isActive() || fragments.prev() === false ) && availableRoutes().left ) {
slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined );
}
}
function navigateRight() {
navigationHistory.hasNavigatedHorizontally = true;
// Reverse for RTL
if( config.rtl ) {
if( ( overview.isActive() || fragments.prev() === false ) && availableRoutes().right ) {
slide( indexh - 1, config.navigationMode === 'grid' ? indexv : undefined );
}
}
// Normal navigation
else if( ( overview.isActive() || fragments.next() === false ) && availableRoutes().right ) {
slide( indexh + 1, config.navigationMode === 'grid' ? indexv : undefined );
}
}
function navigateUp() {
// Prioritize hiding fragments
if( ( overview.isActive() || fragments.prev() === false ) && availableRoutes().up ) {
slide( indexh, indexv - 1 );
}
}
function navigateDown() {
navigationHistory.hasNavigatedVertically = true;
// Prioritize revealing fragments
if( ( overview.isActive() || fragments.next() === false ) && availableRoutes().down ) {
slide( indexh, indexv + 1 );
}
}
/**
* Navigates backwards, prioritized in the following order:
* 1) Previous fragment
* 2) Previous vertical slide
* 3) Previous horizontal slide
*/
function navigatePrev() {
// Prioritize revealing fragments
if( fragments.prev() === false ) {
if( availableRoutes().up ) {
navigateUp();
}
else {
// Fetch the previous horizontal slide, if there is one
let previousSlide;
if( config.rtl ) {
previousSlide = Util.queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR + '.future' ).pop();
}
else {
previousSlide = Util.queryAll( dom.wrapper, HORIZONTAL_SLIDES_SELECTOR + '.past' ).pop();
}
if( previousSlide ) {
let v = ( previousSlide.querySelectorAll( 'section' ).length - 1 ) || undefined;
let h = indexh - 1;
slide( h, v );
}
}
}
}
/**
* The reverse of #navigatePrev().
*/
function navigateNext() {
navigationHistory.hasNavigatedHorizontally = true;
navigationHistory.hasNavigatedVertically = true;
// Prioritize revealing fragments
if( fragments.next() === false ) {
let routes = availableRoutes();
// When looping is enabled `routes.down` is always available
// so we need a separate check for when we've reached the
// end of a stack and should move horizontally
if( routes.down && routes.right && config.loop && isLastVerticalSlide( currentSlide ) ) {
routes.down = false;
}
if( routes.down ) {
navigateDown();
}
else if( config.rtl ) {
navigateLeft();
}
else {
navigateRight();
}
}
}
// --------------------------------------------------------------------//
// ----------------------------- EVENTS -------------------------------//
// --------------------------------------------------------------------//
/**
* Called by all event handlers that are based on user
* input.
*
* @param {object} [event]
*/
function onUserInput( event ) {
if( config.autoSlideStoppable ) {
pauseAutoSlide();
}
}
/**
* Event listener for transition end on the current slide.
*
* @param {object} [event]
*/
function onTransitionEnd( event ) {
if( transition === 'running' && /section/gi.test( event.target.nodeName ) ) {
transition = 'idle';
dispatchEvent({
type: 'slidetransitionend',
data: { indexh, indexv, previousSlide, currentSlide }
});
}
}
/**
* Handler for the window level 'resize' event.
*
* @param {object} [event]
*/
function onWindowResize( event ) {
layout();
}
/**
* Handle for the window level 'visibilitychange' event.
*
* @param {object} [event]
*/
function onPageVisibilityChange( event ) {
// If, after clicking a link or similar and we're coming back,
// focus the document.body to ensure we can use keyboard shortcuts
if( document.hidden === false && document.activeElement !== document.body ) {
// Not all elements support .blur() - SVGs among them.
if( typeof document.activeElement.blur === 'function' ) {
document.activeElement.blur();
}
document.body.focus();
}
}
/**
* Handles clicks on links that are set to preview in the
* iframe overlay.
*
* @param {object} event
*/
function onPreviewLinkClicked( event ) {
if( event.currentTarget && event.currentTarget.hasAttribute( 'href' ) ) {
let url = event.currentTarget.getAttribute( 'href' );
if( url ) {
showPreview( url );
event.preventDefault();
}
}
}
/**
* Handles click on the auto-sliding controls element.
*
* @param {object} [event]
*/
function onAutoSlidePlayerClick( event ) {
// Replay
if( isLastSlide() && config.loop === false ) {
slide( 0, 0 );
resumeAutoSlide();
}
// Resume
else if( autoSlidePaused ) {
resumeAutoSlide();
}
// Pause
else {
pauseAutoSlide();
}
}
// --------------------------------------------------------------------//
// ------------------------------- API --------------------------------//
// --------------------------------------------------------------------//
// The public reveal.js API
const API = {
VERSION,
initialize,
configure,
sync,
syncSlide,
syncFragments: fragments.sync.bind( fragments ),
// Navigation methods
slide,
left: navigateLeft,
right: navigateRight,
up: navigateUp,
down: navigateDown,
prev: navigatePrev,
next: navigateNext,
// Navigation aliases
navigateLeft, navigateRight, navigateUp, navigateDown, navigatePrev, navigateNext,
// Fragment methods
navigateFragment: fragments.goto.bind( fragments ),
prevFragment: fragments.prev.bind( fragments ),
nextFragment: fragments.next.bind( fragments ),
// Event binding
on,
off,
// Legacy event binding methods left in for backwards compatibility
addEventListener: on,
removeEventListener: off,
// Forces an update in slide layout
layout,
// Randomizes the order of slides
shuffle,
// Returns an object with the available routes as booleans (left/right/top/bottom)
availableRoutes,
// Returns an object with the available fragments as booleans (prev/next)
availableFragments: fragments.availableRoutes.bind( fragments ),
// Toggles a help overlay with keyboard shortcuts
toggleHelp,
// Toggles the overview mode on/off
toggleOverview: overview.toggle.bind( overview ),
// Toggles the "black screen" mode on/off
togglePause,
// Toggles the auto slide mode on/off
toggleAutoSlide,
// Slide navigation checks
isFirstSlide,
isLastSlide,
isLastVerticalSlide,
isVerticalSlide,
// State checks
isPaused,
isAutoSliding,
isSpeakerNotes: notes.isSpeakerNotesWindow.bind( notes ),
isOverview: overview.isActive.bind( overview ),
isFocused: focus.isFocused.bind( focus ),
isPrintingPDF: print.isPrintingPDF.bind( print ),
// Checks if reveal.js has been loaded and is ready for use
isReady: () => ready,
// Slide preloading
loadSlide: slideContent.load.bind( slideContent ),
unloadSlide: slideContent.unload.bind( slideContent ),
// Adds or removes all internal event listeners
addEventListeners,
removeEventListeners,
dispatchEvent,
// Facility for persisting and restoring the presentation state
getState,
setState,
// Presentation progress on range of 0-1
getProgress,
// Returns the indices of the current, or specified, slide
getIndices,
// Returns an Array of key:value maps of the attributes of each
// slide in the deck
getSlidesAttributes,
// Returns the number of slides that we have passed
getSlidePastCount,
// Returns the total number of slides
getTotalSlides,
// Returns the slide element at the specified index
getSlide,
// Returns the previous slide element, may be null
getPreviousSlide: () => previousSlide,
// Returns the current slide element
getCurrentSlide: () => currentSlide,
// Returns the slide background element at the specified index
getSlideBackground,
// Returns the speaker notes string for a slide, or null
getSlideNotes: notes.getSlideNotes.bind( notes ),
// Returns an Array of all slides
getSlides,
// Returns an array with all horizontal/vertical slides in the deck
getHorizontalSlides,
getVerticalSlides,
// Checks if the presentation contains two or more horizontal
// and vertical slides
hasHorizontalSlides,
hasVerticalSlides,
// Checks if the deck has navigated on either axis at least once
hasNavigatedHorizontally: () => navigationHistory.hasNavigatedHorizontally,
hasNavigatedVertically: () => navigationHistory.hasNavigatedVertically,
// Adds/removes a custom key binding
addKeyBinding: keyboard.addKeyBinding.bind( keyboard ),
removeKeyBinding: keyboard.removeKeyBinding.bind( keyboard ),
// Programmatically triggers a keyboard event
triggerKey: keyboard.triggerKey.bind( keyboard ),
// Registers a new shortcut to include in the help overlay
registerKeyboardShortcut: keyboard.registerKeyboardShortcut.bind( keyboard ),
getComputedSlideSize,
// Returns the current scale of the presentation content
getScale: () => scale,
// Returns the current configuration object
getConfig: () => config,
// Helper method, retrieves query string as a key:value map
getQueryHash: Util.getQueryHash,
// Returns reveal.js DOM elements
getRevealElement: () => revealElement,
getSlidesElement: () => dom.slides,
getViewportElement: () => dom.viewport,
getBackgroundsElement: () => backgrounds.element,
// API for registering and retrieving plugins
registerPlugin: plugins.registerPlugin.bind( plugins ),
hasPlugin: plugins.hasPlugin.bind( plugins ),
getPlugin: plugins.getPlugin.bind( plugins ),
getPlugins: plugins.getRegisteredPlugins.bind( plugins )
};
// Our internal API which controllers have access to
Util.extend( Reveal, {
...API,
// Methods for announcing content to screen readers
announceStatus,
getStatusText,
// Controllers
print,
focus,
progress,
controls,
location,
overview,
fragments,
slideContent,
slideNumber,
onUserInput,
closeOverlay,
updateSlidesVisibility,
layoutSlideContents,
transformSlides,
cueAutoSlide,
cancelAutoSlide
} );
return API;
};
hakyll-bootstrap/reveal.js/js/utils/color.js deleted 100644 → 0
View file @ b103362d
/**
* 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;
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/utils/constants.js deleted 100644 → 0
View file @ b103362d
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/;
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/utils/device.js deleted 100644 → 0
View file @ b103362d
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 ) );
\ No newline at end of file
hakyll-bootstrap/reveal.js/js/utils/loader.js deleted 100644 → 0
View file @ b103362d
/**
* 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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hakyll-bootstrap/reveal.js/js/utils/util.js deleted 100644 → 0
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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;
}
/**
* Element.matches with IE support.
*
* @param {HTMLElement} target The element to match
* @param {String} selector The CSS selector to match
* the element against
*
* @return {Boolean}
*/
export const matches = ( target, selector ) => {
let matchesMethod = target.matches || target.matchesSelector || target.msMatchesSelector;
return !!( matchesMethod && matchesMethod.call( target, selector ) );
}
/**
* 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 closest = ( target, selector ) => {
// Native Element.closest
if( typeof target.closest === 'function' ) {
return target.closest( selector );
}
// Polyfill
while( target ) {
if( matches( target, selector ) ) {
return target;
}
// Keep searching
target = target.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;
}
\ No newline at end of file
hakyll-bootstrap/reveal.js/package.json deleted 100644 → 0
View file @ b103362d
{
"name": "reveal.js",
"version": "4.1.0",
"description": "The HTML Presentation Framework",
"homepage": "https://revealjs.com",
"subdomain": "revealjs",
"main": "dist/reveal.js",
"module": "dist/reveal.esm.js",
"license": "MIT",
"scripts": {
"test": "gulp test",
"start": "gulp serve",
"build": "gulp"
},
"author": {
"name": "Hakim El Hattab",
"email": "hakim.elhattab@gmail.com",
"web": "https://hakim.se"
},
"repository": {
"type": "git",
"url": "git://github.com/hakimel/reveal.js.git"
},
"engines": {
"node": ">=10.0.0"
},
"keywords": [
"reveal",
"slides",
"presentation"
],
"devDependencies": {
"@babel/core": "^7.9.6",
"@babel/preset-env": "^7.9.6",
"@rollup/plugin-babel": "^5.2.0",
"@rollup/plugin-commonjs": "^15.0.0",
"@rollup/plugin-node-resolve": "^9.0.0",
"babel-eslint": "^10.1.0",
"babel-plugin-transform-html-import-to-string": "0.0.1",
"colors": "^1.4.0",
"core-js": "^3.6.5",
"fitty": "^2.3.0",
"glob": "^7.1.6",
"gulp": "^4.0.2",
"gulp-autoprefixer": "^7.0.1",
"gulp-clean-css": "^4.2.0",
"gulp-connect": "^5.7.0",
"gulp-eslint": "^6.0.0",
"gulp-header": "^2.0.9",
"gulp-sass": "^4.0.2",
"gulp-tap": "^2.0.0",
"gulp-zip": "^5.0.1",
"highlight.js": "^10.0.3",
"marked": "^1.1.0",
"node-qunit-puppeteer": "^2.0.1",
"qunit": "^2.10.0",
"rollup": "^2.26.4",
"rollup-plugin-terser": "^7.0.0",
"yargs": "^15.1.0"
},
"browserslist": "> 0.5%, IE 11, not dead",
"eslintConfig": {
"env": {
"browser": true,
"es6": true
},
"parser": "babel-eslint",
"parserOptions": {
"sourceType": "module",
"allowImportExportEverywhere": true
},
"globals": {
"module": false,
"console": false,
"unescape": false,
"define": false,
"exports": false
},
"rules": {
"curly": 0,
"eqeqeq": 2,
"wrap-iife": [
2,
"any"
],
"no-use-before-define": [
2,
{
"functions": false
}
],
"new-cap": 2,
"no-caller": 2,
"dot-notation": 0,
"no-eq-null": 2,
"no-unused-expressions": 0
}
}
}
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hakyll-bootstrap/reveal.js/plugin/highlight/highlight.js deleted 100644 → 0
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hakyll-bootstrap/reveal.js/plugin/highlight/monokai.css deleted 100644 → 0
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/*
Monokai style - ported by Luigi Maselli - http://grigio.org
*/
.hljs {
display: block;
overflow-x: auto;
padding: 0.5em;
background: #272822;
color: #ddd;
}
.hljs-tag,
.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-strong,
.hljs-name {
color: #f92672;
}
.hljs-code {
color: #66d9ef;
}
.hljs-class .hljs-title {
color: white;
}
.hljs-attribute,
.hljs-symbol,
.hljs-regexp,
.hljs-link {
color: #bf79db;
}
.hljs-string,
.hljs-bullet,
.hljs-subst,
.hljs-title,
.hljs-section,
.hljs-emphasis,
.hljs-type,
.hljs-built_in,
.hljs-builtin-name,
.hljs-selector-attr,
.hljs-selector-pseudo,
.hljs-addition,
.hljs-variable,
.hljs-template-tag,
.hljs-template-variable {
color: #a6e22e;
}
.hljs-comment,
.hljs-quote,
.hljs-deletion,
.hljs-meta {
color: #75715e;
}
.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-doctag,
.hljs-title,
.hljs-section,
.hljs-type,
.hljs-selector-id {
font-weight: bold;
}
hakyll-bootstrap/reveal.js/plugin/highlight/plugin.js deleted 100644 → 0
View file @ b103362d
import hljs from 'highlight.js'
/* highlightjs-line-numbers.js 2.6.0 | (C) 2018 Yauheni Pakala | MIT License | github.com/wcoder/highlightjs-line-numbers.js */
/* Edited by Hakim for reveal.js; removed async timeout */
!function(n,e){"use strict";function t(){var n=e.createElement("style");n.type="text/css",n.innerHTML=g(".{0}{border-collapse:collapse}.{0} td{padding:0}.{1}:before{content:attr({2})}",[v,L,b]),e.getElementsByTagName("head")[0].appendChild(n)}function r(t){"interactive"===e.readyState||"complete"===e.readyState?i(t):n.addEventListener("DOMContentLoaded",function(){i(t)})}function i(t){try{var r=e.querySelectorAll("code.hljs,code.nohighlight");for(var i in r)r.hasOwnProperty(i)&&l(r[i],t)}catch(o){n.console.error("LineNumbers error: ",o)}}function l(n,e){"object"==typeof n&&f(function(){n.innerHTML=s(n,e)})}function o(n,e){if("string"==typeof n){var t=document.createElement("code");return t.innerHTML=n,s(t,e)}}function s(n,e){e=e||{singleLine:!1};var t=e.singleLine?0:1;return c(n),a(n.innerHTML,t)}function a(n,e){var t=u(n);if(""===t[t.length-1].trim()&&t.pop(),t.length>e){for(var r="",i=0,l=t.length;i<l;i++)r+=g('<tr><td class="{0}"><div class="{1} {2}" {3}="{5}"></div></td><td class="{4}"><div class="{1}">{6}</div></td></tr>',[j,m,L,b,p,i+1,t[i].length>0?t[i]:" "]);return g('<table class="{0}">{1}</table>',[v,r])}return n}function c(n){var e=n.childNodes;for(var t in e)if(e.hasOwnProperty(t)){var r=e[t];h(r.textContent)>0&&(r.childNodes.length>0?c(r):d(r.parentNode))}}function d(n){var e=n.className;if(/hljs-/.test(e)){for(var t=u(n.innerHTML),r=0,i="";r<t.length;r++){var l=t[r].length>0?t[r]:" ";i+=g('<span class="{0}">{1}</span>\n',[e,l])}n.innerHTML=i.trim()}}function u(n){return 0===n.length?[]:n.split(y)}function h(n){return(n.trim().match(y)||[]).length}function f(e){e()}function g(n,e){return n.replace(/\{(\d+)\}/g,function(n,t){return e[t]?e[t]:n})}var v="hljs-ln",m="hljs-ln-line",p="hljs-ln-code",j="hljs-ln-numbers",L="hljs-ln-n",b="data-line-number",y=/\r\n|\r|\n/g;hljs?(hljs.initLineNumbersOnLoad=r,hljs.lineNumbersBlock=l,hljs.lineNumbersValue=o,t()):n.console.error("highlight.js not detected!")}(window,document);
/*!
* reveal.js plugin that adds syntax highlight support.
*/
const Plugin = {
id: 'highlight',
HIGHLIGHT_STEP_DELIMITER: '|',
HIGHLIGHT_LINE_DELIMITER: ',',
HIGHLIGHT_LINE_RANGE_DELIMITER: '-',
hljs: hljs,
/**
* Highlights code blocks withing the given deck.
*
* Note that this can be called multiple times if
* there are multiple presentations on one page.
*
* @param {Reveal} reveal the reveal.js instance
*/
init: function( reveal ) {
// Read the plugin config options and provide fallbacks
var config = reveal.getConfig().highlight || {};
config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true;
config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true;
[].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( function( block ) {
// Code can optionally be wrapped in script template to avoid
// HTML being parsed by the browser (i.e. when you need to
// include <, > or & in your code).
let substitute = block.querySelector( 'script[type="text/template"]' );
if( substitute ) {
// textContent handles the HTML entity escapes for us
block.textContent = substitute.innerHTML;
}
// Trim whitespace if the "data-trim" attribute is present
if( block.hasAttribute( 'data-trim' ) && typeof block.innerHTML.trim === 'function' ) {
block.innerHTML = betterTrim( block );
}
// Escape HTML tags unless the "data-noescape" attrbute is present
if( config.escapeHTML && !block.hasAttribute( 'data-noescape' )) {
block.innerHTML = block.innerHTML.replace( /</g,"&lt;").replace(/>/g, '&gt;' );
}
// Re-highlight when focus is lost (for contenteditable code)
block.addEventListener( 'focusout', function( event ) {
hljs.highlightBlock( event.currentTarget );
}, false );
if( config.highlightOnLoad ) {
Plugin.highlightBlock( block );
}
} );
// If we're printing to PDF, scroll the code highlights of
// all blocks in the deck into view at once
reveal.on( 'pdf-ready', function() {
[].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) {
Plugin.scrollHighlightedLineIntoView( block, {}, true );
} );
} );
},
/**
* Highlights a code block. If the <code> node has the
* 'data-line-numbers' attribute we also generate slide
* numbers.
*
* If the block contains multiple line highlight steps,
* we clone the block and create a fragment for each step.
*/
highlightBlock: function( block ) {
hljs.highlightBlock( block );
// Don't generate line numbers for empty code blocks
if( block.innerHTML.trim().length === 0 ) return;
if( block.hasAttribute( 'data-line-numbers' ) ) {
hljs.lineNumbersBlock( block, { singleLine: true } );
var scrollState = { currentBlock: block };
// If there is at least one highlight step, generate
// fragments
var highlightSteps = Plugin.deserializeHighlightSteps( block.getAttribute( 'data-line-numbers' ) );
if( highlightSteps.length > 1 ) {
// If the original code block has a fragment-index,
// each clone should follow in an incremental sequence
var fragmentIndex = parseInt( block.getAttribute( 'data-fragment-index' ), 10 );
if( typeof fragmentIndex !== 'number' || isNaN( fragmentIndex ) ) {
fragmentIndex = null;
}
// Generate fragments for all steps except the original block
highlightSteps.slice(1).forEach( function( highlight ) {
var fragmentBlock = block.cloneNode( true );
fragmentBlock.setAttribute( 'data-line-numbers', Plugin.serializeHighlightSteps( [ highlight ] ) );
fragmentBlock.classList.add( 'fragment' );
block.parentNode.appendChild( fragmentBlock );
Plugin.highlightLines( fragmentBlock );
if( typeof fragmentIndex === 'number' ) {
fragmentBlock.setAttribute( 'data-fragment-index', fragmentIndex );
fragmentIndex += 1;
}
else {
fragmentBlock.removeAttribute( 'data-fragment-index' );
}
// Scroll highlights into view as we step through them
fragmentBlock.addEventListener( 'visible', Plugin.scrollHighlightedLineIntoView.bind( Plugin, fragmentBlock, scrollState ) );
fragmentBlock.addEventListener( 'hidden', Plugin.scrollHighlightedLineIntoView.bind( Plugin, fragmentBlock.previousSibling, scrollState ) );
} );
block.removeAttribute( 'data-fragment-index' )
block.setAttribute( 'data-line-numbers', Plugin.serializeHighlightSteps( [ highlightSteps[0] ] ) );
}
// Scroll the first highlight into view when the slide
// becomes visible. Note supported in IE11 since it lacks
// support for Element.closest.
var slide = typeof block.closest === 'function' ? block.closest( 'section:not(.stack)' ) : null;
if( slide ) {
var scrollFirstHighlightIntoView = function() {
Plugin.scrollHighlightedLineIntoView( block, scrollState, true );
slide.removeEventListener( 'visible', scrollFirstHighlightIntoView );
}
slide.addEventListener( 'visible', scrollFirstHighlightIntoView );
}
Plugin.highlightLines( block );
}
},
/**
* Animates scrolling to the first highlighted line
* in the given code block.
*/
scrollHighlightedLineIntoView: function( block, scrollState, skipAnimation ) {
cancelAnimationFrame( scrollState.animationFrameID );
// Match the scroll position of the currently visible
// code block
if( scrollState.currentBlock ) {
block.scrollTop = scrollState.currentBlock.scrollTop;
}
// Remember the current code block so that we can match
// its scroll position when showing/hiding fragments
scrollState.currentBlock = block;
var highlightBounds = this.getHighlightedLineBounds( block )
var viewportHeight = block.offsetHeight;
// Subtract padding from the viewport height
var blockStyles = getComputedStyle( block );
viewportHeight -= parseInt( blockStyles.paddingTop ) + parseInt( blockStyles.paddingBottom );
// Scroll position which centers all highlights
var startTop = block.scrollTop;
var targetTop = highlightBounds.top + ( Math.min( highlightBounds.bottom - highlightBounds.top, viewportHeight ) - viewportHeight ) / 2;
// Account for offsets in position applied to the
// <table> that holds our lines of code
var lineTable = block.querySelector( '.hljs-ln' );
if( lineTable ) targetTop += lineTable.offsetTop - parseInt( blockStyles.paddingTop );
// Make sure the scroll target is within bounds
targetTop = Math.max( Math.min( targetTop, block.scrollHeight - viewportHeight ), 0 );
if( skipAnimation === true || startTop === targetTop ) {
block.scrollTop = targetTop;
}
else {
// Don't attempt to scroll if there is no overflow
if( block.scrollHeight <= viewportHeight ) return;
var time = 0;
var animate = function() {
time = Math.min( time + 0.02, 1 );
// Update our eased scroll position
block.scrollTop = startTop + ( targetTop - startTop ) * Plugin.easeInOutQuart( time );
// Keep animating unless we've reached the end
if( time < 1 ) {
scrollState.animationFrameID = requestAnimationFrame( animate );
}
};
animate();
}
},
/**
* The easing function used when scrolling.
*/
easeInOutQuart: function( t ) {
// easeInOutQuart
return t<.5 ? 8*t*t*t*t : 1-8*(--t)*t*t*t;
},
getHighlightedLineBounds: function( block ) {
var highlightedLines = block.querySelectorAll( '.highlight-line' );
if( highlightedLines.length === 0 ) {
return { top: 0, bottom: 0 };
}
else {
var firstHighlight = highlightedLines[0];
var lastHighlight = highlightedLines[ highlightedLines.length -1 ];
return {
top: firstHighlight.offsetTop,
bottom: lastHighlight.offsetTop + lastHighlight.offsetHeight
}
}
},
/**
* Visually emphasize specific lines within a code block.
* This only works on blocks with line numbering turned on.
*
* @param {HTMLElement} block a <code> block
* @param {String} [linesToHighlight] The lines that should be
* highlighted in this format:
* "1" = highlights line 1
* "2,5" = highlights lines 2 & 5
* "2,5-7" = highlights lines 2, 5, 6 & 7
*/
highlightLines: function( block, linesToHighlight ) {
var highlightSteps = Plugin.deserializeHighlightSteps( linesToHighlight || block.getAttribute( 'data-line-numbers' ) );
if( highlightSteps.length ) {
highlightSteps[0].forEach( function( highlight ) {
var elementsToHighlight = [];
// Highlight a range
if( typeof highlight.end === 'number' ) {
elementsToHighlight = [].slice.call( block.querySelectorAll( 'table tr:nth-child(n+'+highlight.start+'):nth-child(-n+'+highlight.end+')' ) );
}
// Highlight a single line
else if( typeof highlight.start === 'number' ) {
elementsToHighlight = [].slice.call( block.querySelectorAll( 'table tr:nth-child('+highlight.start+')' ) );
}
if( elementsToHighlight.length ) {
elementsToHighlight.forEach( function( lineElement ) {
lineElement.classList.add( 'highlight-line' );
} );
block.classList.add( 'has-highlights' );
}
} );
}
},
/**
* Parses and formats a user-defined string of line
* numbers to highlight.
*
* @example
* Plugin.deserializeHighlightSteps( '1,2|3,5-10' )
* // [
* // [ { start: 1 }, { start: 2 } ],
* // [ { start: 3 }, { start: 5, end: 10 } ]
* // ]
*/
deserializeHighlightSteps: function( highlightSteps ) {
// Remove whitespace
highlightSteps = highlightSteps.replace( /\s/g, '' );
// Divide up our line number groups
highlightSteps = highlightSteps.split( Plugin.HIGHLIGHT_STEP_DELIMITER );
return highlightSteps.map( function( highlights ) {
return highlights.split( Plugin.HIGHLIGHT_LINE_DELIMITER ).map( function( highlight ) {
// Parse valid line numbers
if( /^[\d-]+$/.test( highlight ) ) {
highlight = highlight.split( Plugin.HIGHLIGHT_LINE_RANGE_DELIMITER );
var lineStart = parseInt( highlight[0], 10 ),
lineEnd = parseInt( highlight[1], 10 );
if( isNaN( lineEnd ) ) {
return {
start: lineStart
};
}
else {
return {
start: lineStart,
end: lineEnd
};
}
}
// If no line numbers are provided, no code will be highlighted
else {
return {};
}
} );
} );
},
/**
* Serializes parsed line number data into a string so
* that we can store it in the DOM.
*/
serializeHighlightSteps: function( highlightSteps ) {
return highlightSteps.map( function( highlights ) {
return highlights.map( function( highlight ) {
// Line range
if( typeof highlight.end === 'number' ) {
return highlight.start + Plugin.HIGHLIGHT_LINE_RANGE_DELIMITER + highlight.end;
}
// Single line
else if( typeof highlight.start === 'number' ) {
return highlight.start;
}
// All lines
else {
return '';
}
} ).join( Plugin.HIGHLIGHT_LINE_DELIMITER );
} ).join( Plugin.HIGHLIGHT_STEP_DELIMITER );
}
}
// Function to perform a better "data-trim" on code snippets
// Will slice an indentation amount on each line of the snippet (amount based on the line having the lowest indentation length)
function betterTrim(snippetEl) {
// Helper functions
function trimLeft(val) {
// Adapted from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim#Polyfill
return val.replace(/^[\s\uFEFF\xA0]+/g, '');
}
function trimLineBreaks(input) {
var lines = input.split('\n');
// Trim line-breaks from the beginning
for (var i = 0; i < lines.length; i++) {
if (lines[i].trim() === '') {
lines.splice(i--, 1);
} else break;
}
// Trim line-breaks from the end
for (var i = lines.length-1; i >= 0; i--) {
if (lines[i].trim() === '') {
lines.splice(i, 1);
} else break;
}
return lines.join('\n');
}
// Main function for betterTrim()
return (function(snippetEl) {
var content = trimLineBreaks(snippetEl.innerHTML);
var lines = content.split('\n');
// Calculate the minimum amount to remove on each line start of the snippet (can be 0)
var pad = lines.reduce(function(acc, line) {
if (line.length > 0 && trimLeft(line).length > 0 && acc > line.length - trimLeft(line).length) {
return line.length - trimLeft(line).length;
}
return acc;
}, Number.POSITIVE_INFINITY);
// Slice each line with this amount
return lines.map(function(line, index) {
return line.slice(pad);
})
.join('\n');
})(snippetEl);
}
export default () => Plugin;
hakyll-bootstrap/reveal.js/plugin/highlight/zenburn.css deleted 100644 → 0
View file @ b103362d
/*
Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
based on dark.css by Ivan Sagalaev
*/
.hljs {
display: block;
overflow-x: auto;
padding: 0.5em;
background: #3f3f3f;
color: #dcdcdc;
}
.hljs-keyword,
.hljs-selector-tag,
.hljs-tag {
color: #e3ceab;
}
.hljs-template-tag {
color: #dcdcdc;
}
.hljs-number {
color: #8cd0d3;
}
.hljs-variable,
.hljs-template-variable,
.hljs-attribute {
color: #efdcbc;
}
.hljs-literal {
color: #efefaf;
}
.hljs-subst {
color: #8f8f8f;
}
.hljs-title,
.hljs-name,
.hljs-selector-id,
.hljs-selector-class,
.hljs-section,
.hljs-type {
color: #efef8f;
}
.hljs-symbol,
.hljs-bullet,
.hljs-link {
color: #dca3a3;
}
.hljs-deletion,
.hljs-string,
.hljs-built_in,
.hljs-builtin-name {
color: #cc9393;
}
.hljs-addition,
.hljs-comment,
.hljs-quote,
.hljs-meta {
color: #7f9f7f;
}
.hljs-emphasis {
font-style: italic;
}
.hljs-strong {
font-weight: bold;
}
hakyll-bootstrap/reveal.js/plugin/markdown/markdown.esm.js deleted 100644 → 0
View file @ b103362d
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r=(n[2]||n[1]).replace(/\s+/g," ");if(!(r=t[r.toLowerCase()])||!r.href){var i=n[0].charAt(0);return{type:"text",raw:i,text:i}}return Da(n,r,n[0])}}},{key:"strong",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"",r=this.rules.inline.strong.start.exec(e);if(r&&(!r[1]||r[1]&&(""===n||this.rules.inline.punctuation.exec(n)))){t=t.slice(-1*e.length);var i,o="**"===r[0]?this.rules.inline.strong.endAst:this.rules.inline.strong.endUnd;for(o.lastIndex=0;null!=(r=o.exec(t));)if(i=this.rules.inline.strong.middle.exec(t.slice(0,r.index+3)))return{type:"strong",raw:e.slice(0,i[0].length),text:e.slice(2,i[0].length-2)}}}},{key:"em",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"",r=this.rules.inline.em.start.exec(e);if(r&&(!r[1]||r[1]&&(""===n||this.rules.inline.punctuation.exec(n)))){t=t.slice(-1*e.length);var 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{2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/}),Ha.gfm.url=Za(Ha.gfm.url,"i").replace("email",Ha.gfm._extended_email).getRegex(),Ha.breaks=Fa({},Ha.gfm,{br:Za(Ha.br).replace("{2,}","*").getRegex(),text:Za(Ha.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});var Wa={block:Ga,inline:Ha},Ba=oa.defaults,Va=Wa.block,Ka=Wa.inline,Xa=$a;function Ya(e){return e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function Ja(e){var t,n,r="",i=e.length;for(t=0;t<i;t++)n=e.charCodeAt(t),Math.random()>.5&&(n="x"+n.toString(16)),r+="&#"+n+";";return r}var Qa=function(){function e(t){uo(this,e),this.tokens=[],this.tokens.links=Object.create(null),this.options=t||Ba,this.options.tokenizer=this.options.tokenizer||new Ua,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options;var n={block:Va.normal,inline:Ka.normal};this.options.pedantic?(n.block=Va.pedantic,n.inline=Ka.pedantic):this.options.gfm&&(n.block=Va.gfm,this.options.breaks?n.inline=Ka.breaks:n.inline=Ka.gfm),this.tokenizer.rules=n}return po(e,[{key:"lex",value:function(e){return e=e.replace(/\r\n|\r/g,"\n").replace(/\t/g," "),this.blockTokens(e,this.tokens,!0),this.inline(this.tokens),this.tokens}},{key:"blockTokens",value:function(e){var t,n,r,i,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[],a=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];for(e=e.replace(/^ +$/gm,"");e;)if(t=this.tokenizer.space(e))e=e.substring(t.raw.length),t.type&&o.push(t);else if(t=this.tokenizer.code(e,o))e=e.substring(t.raw.length),t.type?o.push(t):((i=o[o.length-1]).raw+="\n"+t.raw,i.text+="\n"+t.text);else if(t=this.tokenizer.fences(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.heading(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.nptable(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.hr(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.blockquote(e))e=e.substring(t.raw.length),t.tokens=this.blockTokens(t.text,[],a),o.push(t);else if(t=this.tokenizer.list(e)){for(e=e.substring(t.raw.length),r=t.items.length,n=0;n<r;n++)t.items[n].tokens=this.blockTokens(t.items[n].text,[],!1);o.push(t)}else if(t=this.tokenizer.html(e))e=e.substring(t.raw.length),o.push(t);else if(a&&(t=this.tokenizer.def(e)))e=e.substring(t.raw.length),this.tokens.links[t.tag]||(this.tokens.links[t.tag]={href:t.href,title:t.title});else if(t=this.tokenizer.table(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.lheading(e))e=e.substring(t.raw.length),o.push(t);else if(a&&(t=this.tokenizer.paragraph(e)))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.text(e,o))e=e.substring(t.raw.length),t.type?o.push(t):((i=o[o.length-1]).raw+="\n"+t.raw,i.text+="\n"+t.text);else if(e){var l="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(l);break}throw new Error(l)}return o}},{key:"inline",value:function(e){var t,n,r,i,o,a,l=e.length;for(t=0;t<l;t++)switch((a=e[t]).type){case"paragraph":case"text":case"heading":a.tokens=[],this.inlineTokens(a.text,a.tokens);break;case"table":for(a.tokens={header:[],cells:[]},i=a.header.length,n=0;n<i;n++)a.tokens.header[n]=[],this.inlineTokens(a.header[n],a.tokens.header[n]);for(i=a.cells.length,n=0;n<i;n++)for(o=a.cells[n],a.tokens.cells[n]=[],r=0;r<o.length;r++)a.tokens.cells[n][r]=[],this.inlineTokens(o[r],a.tokens.cells[n][r]);break;case"blockquote":this.inline(a.tokens);break;case"list":for(i=a.items.length,n=0;n<i;n++)this.inline(a.items[n].tokens)}return e}},{key:"inlineTokens",value:function(e){var t,n,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[],i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],o=arguments.length>3&&void 0!==arguments[3]&&arguments[3],a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:"",l=e;if(this.tokens.links){var s=Object.keys(this.tokens.links);if(s.length>0)for(;null!=(n=this.tokenizer.rules.inline.reflinkSearch.exec(l));)s.includes(n[0].slice(n[0].lastIndexOf("[")+1,-1))&&(l=l.slice(0,n.index)+"["+Xa("a",n[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(n=this.tokenizer.rules.inline.blockSkip.exec(l));)l=l.slice(0,n.index)+"["+Xa("a",n[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;e;)if(t=this.tokenizer.escape(e))e=e.substring(t.raw.length),r.push(t);else if(t=this.tokenizer.tag(e,i,o))e=e.substring(t.raw.length),i=t.inLink,o=t.inRawBlock,r.push(t);else if(t=this.tokenizer.link(e))e=e.substring(t.raw.length),"link"===t.type&&(t.tokens=this.inlineTokens(t.text,[],!0,o)),r.push(t);else if(t=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(t.raw.length),"link"===t.type&&(t.tokens=this.inlineTokens(t.text,[],!0,o)),r.push(t);else if(t=this.tokenizer.strong(e,l,a))e=e.substring(t.raw.length),t.tokens=this.inlineTokens(t.text,[],i,o),r.push(t);else if(t=this.tokenizer.em(e,l,a))e=e.substring(t.raw.length),t.tokens=this.inlineTokens(t.text,[],i,o),r.push(t);else if(t=this.tokenizer.codespan(e))e=e.substring(t.raw.length),r.push(t);else if(t=this.tokenizer.br(e))e=e.substring(t.raw.length),r.push(t);else if(t=this.tokenizer.del(e))e=e.substring(t.raw.length),t.tokens=this.inlineTokens(t.text,[],i,o),r.push(t);else if(t=this.tokenizer.autolink(e,Ja))e=e.substring(t.raw.length),r.push(t);else if(i||!(t=this.tokenizer.url(e,Ja))){if(t=this.tokenizer.inlineText(e,o,Ya))e=e.substring(t.raw.length),a=t.raw.slice(-1),r.push(t);else if(e){var c="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(c);break}throw new Error(c)}}else e=e.substring(t.raw.length),r.push(t);return r}}],[{key:"lex",value:function(t,n){return new e(n).lex(t)}},{key:"lexInline",value:function(t,n){return new e(n).inlineTokens(t)}},{key:"rules",get:function(){return{block:Va,inline:Ka}}}]),e}(),el=oa.defaults,tl=Ea,nl=Sa,rl=function(){function e(t){uo(this,e),this.options=t||el}return po(e,[{key:"code",value:function(e,t,n){var r=(t||"").match(/\S*/)[0];if(this.options.highlight){var i=this.options.highlight(e,r);null!=i&&i!==e&&(n=!0,e=i)}return r?'<pre><code class="'+this.options.langPrefix+nl(r,!0)+'">'+(n?e:nl(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:nl(e,!0))+"</code></pre>\n"}},{key:"blockquote",value:function(e){return"<blockquote>\n"+e+"</blockquote>\n"}},{key:"html",value:function(e){return e}},{key:"heading",value:function(e,t,n,r){return this.options.headerIds?"<h"+t+' id="'+this.options.headerPrefix+r.slug(n)+'">'+e+"</h"+t+">\n":"<h"+t+">"+e+"</h"+t+">\n"}},{key:"hr",value:function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}},{key:"list",value:function(e,t,n){var r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+r+">\n"}},{key:"listitem",value:function(e){return"<li>"+e+"</li>\n"}},{key:"checkbox",value:function(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}},{key:"paragraph",value:function(e){return"<p>"+e+"</p>\n"}},{key:"table",value:function(e,t){return t&&(t="<tbody>"+t+"</tbody>"),"<table>\n<thead>\n"+e+"</thead>\n"+t+"</table>\n"}},{key:"tablerow",value:function(e){return"<tr>\n"+e+"</tr>\n"}},{key:"tablecell",value:function(e,t){var n=t.header?"th":"td";return(t.align?"<"+n+' align="'+t.align+'">':"<"+n+">")+e+"</"+n+">\n"}},{key:"strong",value:function(e){return"<strong>"+e+"</strong>"}},{key:"em",value:function(e){return"<em>"+e+"</em>"}},{key:"codespan",value:function(e){return"<code>"+e+"</code>"}},{key:"br",value:function(){return this.options.xhtml?"<br/>":"<br>"}},{key:"del",value:function(e){return"<del>"+e+"</del>"}},{key:"link",value:function(e,t,n){if(null===(e=tl(this.options.sanitize,this.options.baseUrl,e)))return n;var r='<a href="'+nl(e)+'"';return t&&(r+=' title="'+t+'"'),r+=">"+n+"</a>"}},{key:"image",value:function(e,t,n){if(null===(e=tl(this.options.sanitize,this.options.baseUrl,e)))return n;var r='<img src="'+e+'" alt="'+n+'"';return t&&(r+=' title="'+t+'"'),r+=this.options.xhtml?"/>":">"}},{key:"text",value:function(e){return e}}]),e}(),il=function(){function e(){uo(this,e)}return po(e,[{key:"strong",value:function(e){return e}},{key:"em",value:function(e){return e}},{key:"codespan",value:function(e){return e}},{key:"del",value:function(e){return e}},{key:"html",value:function(e){return e}},{key:"text",value:function(e){return e}},{key:"link",value:function(e,t,n){return""+n}},{key:"image",value:function(e,t,n){return""+n}},{key:"br",value:function(){return""}}]),e}(),ol=function(){function e(){uo(this,e),this.seen={}}return po(e,[{key:"serialize",value:function(e){return e.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")}},{key:"getNextSafeSlug",value:function(e,t){var n=e,r=0;if(this.seen.hasOwnProperty(n)){r=this.seen[e];do{n=e+"-"+ ++r}while(this.seen.hasOwnProperty(n))}return t||(this.seen[e]=r,this.seen[n]=0),n}},{key:"slug",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=this.serialize(e);return this.getNextSafeSlug(n,t.dryrun)}}]),e}(),al=oa.defaults,ll=_a,sl=function(){function e(t){uo(this,e),this.options=t||al,this.options.renderer=this.options.renderer||new rl,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new il,this.slugger=new ol}return po(e,[{key:"parse",value:function(e){var t,n,r,i,o,a,l,s,c,u,f,p,h,g,d,v,y,k,m=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],b="",x=e.length;for(t=0;t<x;t++)switch((u=e[t]).type){case"space":continue;case"hr":b+=this.renderer.hr();continue;case"heading":b+=this.renderer.heading(this.parseInline(u.tokens),u.depth,ll(this.parseInline(u.tokens,this.textRenderer)),this.slugger);continue;case"code":b+=this.renderer.code(u.text,u.lang,u.escaped);continue;case"table":for(s="",l="",i=u.header.length,n=0;n<i;n++)l+=this.renderer.tablecell(this.parseInline(u.tokens.header[n]),{header:!0,align:u.align[n]});for(s+=this.renderer.tablerow(l),c="",i=u.cells.length,n=0;n<i;n++){for(l="",o=(a=u.tokens.cells[n]).length,r=0;r<o;r++)l+=this.renderer.tablecell(this.parseInline(a[r]),{header:!1,align:u.align[r]});c+=this.renderer.tablerow(l)}b+=this.renderer.table(s,c);continue;case"blockquote":c=this.parse(u.tokens),b+=this.renderer.blockquote(c);continue;case"list":for(f=u.ordered,p=u.start,h=u.loose,i=u.items.length,c="",n=0;n<i;n++)v=(d=u.items[n]).checked,y=d.task,g="",d.task&&(k=this.renderer.checkbox(v),h?d.tokens.length>0&&"text"===d.tokens[0].type?(d.tokens[0].text=k+" "+d.tokens[0].text,d.tokens[0].tokens&&d.tokens[0].tokens.length>0&&"text"===d.tokens[0].tokens[0].type&&(d.tokens[0].tokens[0].text=k+" "+d.tokens[0].tokens[0].text)):d.tokens.unshift({type:"text",text:k}):g+=k),g+=this.parse(d.tokens,h),c+=this.renderer.listitem(g,y,v);b+=this.renderer.list(c,f,p);continue;case"html":b+=this.renderer.html(u.text);continue;case"paragraph":b+=this.renderer.paragraph(this.parseInline(u.tokens));continue;case"text":for(c=u.tokens?this.parseInline(u.tokens):u.text;t+1<x&&"text"===e[t+1].type;)c+="\n"+((u=e[++t]).tokens?this.parseInline(u.tokens):u.text);b+=m?this.renderer.paragraph(c):c;continue;default:var w='Token with "'+u.type+'" type was not found.';if(this.options.silent)return void console.error(w);throw new Error(w)}return b}},{key:"parseInline",value:function(e,t){t=t||this.renderer;var n,r,i="",o=e.length;for(n=0;n<o;n++)switch((r=e[n]).type){case"escape":i+=t.text(r.text);break;case"html":i+=t.html(r.text);break;case"link":i+=t.link(r.href,r.title,this.parseInline(r.tokens,t));break;case"image":i+=t.image(r.href,r.title,r.text);break;case"strong":i+=t.strong(this.parseInline(r.tokens,t));break;case"em":i+=t.em(this.parseInline(r.tokens,t));break;case"codespan":i+=t.codespan(r.text);break;case"br":i+=t.br();break;case"del":i+=t.del(this.parseInline(r.tokens,t));break;case"text":i+=t.text(r.text);break;default:var a='Token with "'+r.type+'" type was not found.';if(this.options.silent)return void console.error(a);throw new Error(a)}return i}}],[{key:"parse",value:function(t,n){return new e(n).parse(t)}},{key:"parseInline",value:function(t,n){return new e(n).parseInline(t)}}]),e}(),cl=Ta,ul=za,fl=Sa,pl=oa.getDefaults,hl=oa.changeDefaults,gl=oa.defaults;function dl(e,t,n){if(null==e)throw new Error("marked(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");if("function"==typeof t&&(n=t,t=null),t=cl({},dl.defaults,t||{}),ul(t),n){var r,i=t.highlight;try{r=Qa.lex(e,t)}catch(e){return n(e)}var o=function(e){var o;if(!e)try{o=sl.parse(r,t)}catch(t){e=t}return t.highlight=i,e?n(e):n(null,o)};if(!i||i.length<3)return o();if(delete t.highlight,!r.length)return o();var a=0;return dl.walkTokens(r,(function(e){"code"===e.type&&(a++,setTimeout((function(){i(e.text,e.lang,(function(t,n){if(t)return o(t);null!=n&&n!==e.text&&(e.text=n,e.escaped=!0),0===--a&&o()}))}),0))})),void(0===a&&o())}try{var l=Qa.lex(e,t);return t.walkTokens&&dl.walkTokens(l,t.walkTokens),sl.parse(l,t)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+fl(e.message+"",!0)+"</pre>";throw e}}dl.options=dl.setOptions=function(e){return cl(dl.defaults,e),hl(dl.defaults),dl},dl.getDefaults=pl,dl.defaults=gl,dl.use=function(e){var t=cl({},e);if(e.renderer&&function(){var n=dl.defaults.renderer||new rl,r=function(t){var r=n[t];n[t]=function(){for(var i=arguments.length,o=new Array(i),a=0;a<i;a++)o[a]=arguments[a];var l=e.renderer[t].apply(n,o);return!1===l&&(l=r.apply(n,o)),l}};for(var i in e.renderer)r(i);t.renderer=n}(),e.tokenizer&&function(){var n=dl.defaults.tokenizer||new Ua,r=function(t){var r=n[t];n[t]=function(){for(var i=arguments.length,o=new Array(i),a=0;a<i;a++)o[a]=arguments[a];var l=e.tokenizer[t].apply(n,o);return!1===l&&(l=r.apply(n,o)),l}};for(var i in e.tokenizer)r(i);t.tokenizer=n}(),e.walkTokens){var n=dl.defaults.walkTokens;t.walkTokens=function(t){e.walkTokens(t),n&&n(t)}}dl.setOptions(t)},dl.walkTokens=function(e,t){var n,r=mo(e);try{for(r.s();!(n=r.n()).done;){var i=n.value;switch(t(i),i.type){case"table":var o,a=mo(i.tokens.header);try{for(a.s();!(o=a.n()).done;){var l=o.value;dl.walkTokens(l,t)}}catch(e){a.e(e)}finally{a.f()}var s,c=mo(i.tokens.cells);try{for(c.s();!(s=c.n()).done;){var u,f=mo(s.value);try{for(f.s();!(u=f.n()).done;){var p=u.value;dl.walkTokens(p,t)}}catch(e){f.e(e)}finally{f.f()}}}catch(e){c.e(e)}finally{c.f()}break;case"list":dl.walkTokens(i.items,t);break;default:i.tokens&&dl.walkTokens(i.tokens,t)}}}catch(e){r.e(e)}finally{r.f()}},dl.parseInline=function(e,t){if(null==e)throw new Error("marked.parseInline(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked.parseInline(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");t=cl({},dl.defaults,t||{}),ul(t);try{var n=Qa.lexInline(e,t);return t.walkTokens&&dl.walkTokens(n,t.walkTokens),sl.parseInline(n,t)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+fl(e.message+"",!0)+"</pre>";throw e}},dl.Parser=sl,dl.parser=sl.parse,dl.Renderer=rl,dl.TextRenderer=il,dl.Lexer=Qa,dl.lexer=Qa.lex,dl.Tokenizer=Ua,dl.Slugger=ol,dl.parse=dl;var vl=dl,yl=/\[([\s\d,|-]*)\]/,kl={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"};export default function(){var e;function t(e){var t=(e.querySelector("[data-template]")||e.querySelector("script")||e).textContent,n=(t=t.replace(new RegExp("__SCRIPT_END__","g"),"<\/script>")).match(/^\n?(\s*)/)[1].length,r=t.match(/^\n?(\t*)/)[1].length;return r>0?t=t.replace(new RegExp("\\n?\\t{"+r+"}","g"),"\n"):n>1&&(t=t.replace(new RegExp("\\n? {"+n+"}","g"),"\n")),t}function n(e){for(var t=e.attributes,n=[],r=0,i=t.length;r<i;r++){var o=t[r].name,a=t[r].value;/data\-(markdown|separator|vertical|notes)/gi.test(o)||(a?n.push(o+'="'+a+'"'):n.push(o))}return n.join(" ")}function r(e){return(e=e||{}).separator=e.separator||"^\r?\n---\r?\n$",e.notesSeparator=e.notesSeparator||"notes?:",e.attributes=e.attributes||"",e}function i(e,t){t=r(t);var n=e.split(new RegExp(t.notesSeparator,"mgi"));return 2===n.length&&(e=n[0]+'<aside class="notes">'+vl(n[1].trim())+"</aside>"),'<script type="text/template">'+(e=e.replace(/<\/script>/g,"__SCRIPT_END__"))+"<\/script>"}function o(e,t){t=r(t);for(var n,o,a,l=new RegExp(t.separator+(t.verticalSeparator?"|"+t.verticalSeparator:""),"mg"),s=new RegExp(t.separator),c=0,u=!0,f=[];n=l.exec(e);)!(o=s.test(n[0]))&&u&&f.push([]),a=e.substring(c,n.index),o&&u?f.push(a):f[f.length-1].push(a),c=l.lastIndex,u=o;(u?f:f[f.length-1]).push(e.substring(c));for(var p="",h=0,g=f.length;h<g;h++)f[h]instanceof Array?(p+="<section "+t.attributes+">",f[h].forEach((function(e){p+="<section data-markdown>"+i(e,t)+"</section>"})),p+="</section>"):p+="<section "+t.attributes+" data-markdown>"+i(f[h],t)+"</section>";return p}function a(e){return new Promise((function(r){var 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r=(n[2]||n[1]).replace(/\s+/g," ");if(!(r=t[r.toLowerCase()])||!r.href){var i=n[0].charAt(0);return{type:"text",raw:i,text:i}}return el(n,r,n[0])}}},{key:"strong",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"",r=this.rules.inline.strong.start.exec(e);if(r&&(!r[1]||r[1]&&(""===n||this.rules.inline.punctuation.exec(n)))){t=t.slice(-1*e.length);var i,o="**"===r[0]?this.rules.inline.strong.endAst:this.rules.inline.strong.endUnd;for(o.lastIndex=0;null!=(r=o.exec(t));)if(i=this.rules.inline.strong.middle.exec(t.slice(0,r.index+3)))return{type:"strong",raw:e.slice(0,i[0].length),text:e.slice(2,i[0].length-2)}}}},{key:"em",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"",r=this.rules.inline.em.start.exec(e);if(r&&(!r[1]||r[1]&&(""===n||this.rules.inline.punctuation.exec(n)))){t=t.slice(-1*e.length);var 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al={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:nl,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,nolink:/^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",strong:{start:/^(?:(\*\*(?=[*punctuation]))|\*\*)(?![\s])|__/,middle:/^\*\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*\*$|^__(?![\s])((?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?)__$/,endAst:/[^punctuation\s]\*\*(?!\*)|[punctuation]\*\*(?!\*)(?:(?=[punctuation_\s]|$))/,endUnd:/[^\s]__(?!_)(?:(?=[punctuation*\s])|$)/},em:{start:/^(?:(\*(?=[punctuation]))|\*)(?![*\s])|_/,middle:/^\*(?:(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)|\*(?:(?!overlapSkip)(?:[^*]|\\\*)|overlapSkip)*?\*)+?\*$|^_(?![_\s])(?:(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)|_(?:(?!overlapSkip)(?:[^_]|\\_)|overlapSkip)*?_)+?_$/,endAst:/[^punctuation\s]\*(?!\*)|[punctuation]\*(?!\*)(?:(?=[punctuation_\s]|$))/,endUnd:/[^\s]_(?!_)(?:(?=[punctuation*\s])|$)/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( 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{2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/}),al.gfm.url=rl(al.gfm.url,"i").replace("email",al.gfm._extended_email).getRegex(),al.breaks=il({},al.gfm,{br:rl(al.br).replace("{2,}","*").getRegex(),text:rl(al.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});var ll={block:ol,inline:al},sl=ba.defaults,cl=ll.block,ul=ll.inline,fl=Va;function pl(e){return e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function hl(e){var t,n,r="",i=e.length;for(t=0;t<i;t++)n=e.charCodeAt(t),Math.random()>.5&&(n="x"+n.toString(16)),r+="&#"+n+";";return r}var gl=function(){function e(t){_o(this,e),this.tokens=[],this.tokens.links=Object.create(null),this.options=t||sl,this.options.tokenizer=this.options.tokenizer||new tl,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options;var n={block:cl.normal,inline:ul.normal};this.options.pedantic?(n.block=cl.pedantic,n.inline=ul.pedantic):this.options.gfm&&(n.block=cl.gfm,this.options.breaks?n.inline=ul.breaks:n.inline=ul.gfm),this.tokenizer.rules=n}return Eo(e,[{key:"lex",value:function(e){return e=e.replace(/\r\n|\r/g,"\n").replace(/\t/g," "),this.blockTokens(e,this.tokens,!0),this.inline(this.tokens),this.tokens}},{key:"blockTokens",value:function(e){var t,n,r,i,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[],a=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];for(e=e.replace(/^ +$/gm,"");e;)if(t=this.tokenizer.space(e))e=e.substring(t.raw.length),t.type&&o.push(t);else if(t=this.tokenizer.code(e,o))e=e.substring(t.raw.length),t.type?o.push(t):((i=o[o.length-1]).raw+="\n"+t.raw,i.text+="\n"+t.text);else if(t=this.tokenizer.fences(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.heading(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.nptable(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.hr(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.blockquote(e))e=e.substring(t.raw.length),t.tokens=this.blockTokens(t.text,[],a),o.push(t);else if(t=this.tokenizer.list(e)){for(e=e.substring(t.raw.length),r=t.items.length,n=0;n<r;n++)t.items[n].tokens=this.blockTokens(t.items[n].text,[],!1);o.push(t)}else if(t=this.tokenizer.html(e))e=e.substring(t.raw.length),o.push(t);else if(a&&(t=this.tokenizer.def(e)))e=e.substring(t.raw.length),this.tokens.links[t.tag]||(this.tokens.links[t.tag]={href:t.href,title:t.title});else if(t=this.tokenizer.table(e))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.lheading(e))e=e.substring(t.raw.length),o.push(t);else if(a&&(t=this.tokenizer.paragraph(e)))e=e.substring(t.raw.length),o.push(t);else if(t=this.tokenizer.text(e,o))e=e.substring(t.raw.length),t.type?o.push(t):((i=o[o.length-1]).raw+="\n"+t.raw,i.text+="\n"+t.text);else if(e){var l="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(l);break}throw new Error(l)}return o}},{key:"inline",value:function(e){var t,n,r,i,o,a,l=e.length;for(t=0;t<l;t++)switch((a=e[t]).type){case"paragraph":case"text":case"heading":a.tokens=[],this.inlineTokens(a.text,a.tokens);break;case"table":for(a.tokens={header:[],cells:[]},i=a.header.length,n=0;n<i;n++)a.tokens.header[n]=[],this.inlineTokens(a.header[n],a.tokens.header[n]);for(i=a.cells.length,n=0;n<i;n++)for(o=a.cells[n],a.tokens.cells[n]=[],r=0;r<o.length;r++)a.tokens.cells[n][r]=[],this.inlineTokens(o[r],a.tokens.cells[n][r]);break;case"blockquote":this.inline(a.tokens);break;case"list":for(i=a.items.length,n=0;n<i;n++)this.inline(a.items[n].tokens)}return e}},{key:"inlineTokens",value:function(e){var t,n,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[],i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],o=arguments.length>3&&void 0!==arguments[3]&&arguments[3],a=arguments.length>4&&void 0!==arguments[4]?arguments[4]:"",l=e;if(this.tokens.links){var s=Object.keys(this.tokens.links);if(s.length>0)for(;null!=(n=this.tokenizer.rules.inline.reflinkSearch.exec(l));)s.includes(n[0].slice(n[0].lastIndexOf("[")+1,-1))&&(l=l.slice(0,n.index)+"["+fl("a",n[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(n=this.tokenizer.rules.inline.blockSkip.exec(l));)l=l.slice(0,n.index)+"["+fl("a",n[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;e;)if(t=this.tokenizer.escape(e))e=e.substring(t.raw.length),r.push(t);else if(t=this.tokenizer.tag(e,i,o))e=e.substring(t.raw.length),i=t.inLink,o=t.inRawBlock,r.push(t);else if(t=this.tokenizer.link(e))e=e.substring(t.raw.length),"link"===t.type&&(t.tokens=this.inlineTokens(t.text,[],!0,o)),r.push(t);else if(t=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(t.raw.length),"link"===t.type&&(t.tokens=this.inlineTokens(t.text,[],!0,o)),r.push(t);else if(t=this.tokenizer.strong(e,l,a))e=e.substring(t.raw.length),t.tokens=this.inlineTokens(t.text,[],i,o),r.push(t);else if(t=this.tokenizer.em(e,l,a))e=e.substring(t.raw.length),t.tokens=this.inlineTokens(t.text,[],i,o),r.push(t);else if(t=this.tokenizer.codespan(e))e=e.substring(t.raw.length),r.push(t);else if(t=this.tokenizer.br(e))e=e.substring(t.raw.length),r.push(t);else if(t=this.tokenizer.del(e))e=e.substring(t.raw.length),t.tokens=this.inlineTokens(t.text,[],i,o),r.push(t);else if(t=this.tokenizer.autolink(e,hl))e=e.substring(t.raw.length),r.push(t);else if(i||!(t=this.tokenizer.url(e,hl))){if(t=this.tokenizer.inlineText(e,o,pl))e=e.substring(t.raw.length),a=t.raw.slice(-1),r.push(t);else if(e){var c="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(c);break}throw new Error(c)}}else e=e.substring(t.raw.length),r.push(t);return r}}],[{key:"lex",value:function(t,n){return new e(n).lex(t)}},{key:"lexInline",value:function(t,n){return new e(n).inlineTokens(t)}},{key:"rules",get:function(){return{block:cl,inline:ul}}}]),e}(),dl=ba.defaults,vl=Da,yl=Na,kl=function(){function e(t){_o(this,e),this.options=t||dl}return Eo(e,[{key:"code",value:function(e,t,n){var r=(t||"").match(/\S*/)[0];if(this.options.highlight){var i=this.options.highlight(e,r);null!=i&&i!==e&&(n=!0,e=i)}return r?'<pre><code class="'+this.options.langPrefix+yl(r,!0)+'">'+(n?e:yl(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:yl(e,!0))+"</code></pre>\n"}},{key:"blockquote",value:function(e){return"<blockquote>\n"+e+"</blockquote>\n"}},{key:"html",value:function(e){return e}},{key:"heading",value:function(e,t,n,r){return this.options.headerIds?"<h"+t+' id="'+this.options.headerPrefix+r.slug(n)+'">'+e+"</h"+t+">\n":"<h"+t+">"+e+"</h"+t+">\n"}},{key:"hr",value:function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}},{key:"list",value:function(e,t,n){var r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+r+">\n"}},{key:"listitem",value:function(e){return"<li>"+e+"</li>\n"}},{key:"checkbox",value:function(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}},{key:"paragraph",value:function(e){return"<p>"+e+"</p>\n"}},{key:"table",value:function(e,t){return t&&(t="<tbody>"+t+"</tbody>"),"<table>\n<thead>\n"+e+"</thead>\n"+t+"</table>\n"}},{key:"tablerow",value:function(e){return"<tr>\n"+e+"</tr>\n"}},{key:"tablecell",value:function(e,t){var n=t.header?"th":"td";return(t.align?"<"+n+' align="'+t.align+'">':"<"+n+">")+e+"</"+n+">\n"}},{key:"strong",value:function(e){return"<strong>"+e+"</strong>"}},{key:"em",value:function(e){return"<em>"+e+"</em>"}},{key:"codespan",value:function(e){return"<code>"+e+"</code>"}},{key:"br",value:function(){return this.options.xhtml?"<br/>":"<br>"}},{key:"del",value:function(e){return"<del>"+e+"</del>"}},{key:"link",value:function(e,t,n){if(null===(e=vl(this.options.sanitize,this.options.baseUrl,e)))return n;var r='<a href="'+yl(e)+'"';return t&&(r+=' title="'+t+'"'),r+=">"+n+"</a>"}},{key:"image",value:function(e,t,n){if(null===(e=vl(this.options.sanitize,this.options.baseUrl,e)))return n;var r='<img src="'+e+'" alt="'+n+'"';return t&&(r+=' title="'+t+'"'),r+=this.options.xhtml?"/>":">"}},{key:"text",value:function(e){return e}}]),e}(),ml=function(){function e(){_o(this,e)}return Eo(e,[{key:"strong",value:function(e){return e}},{key:"em",value:function(e){return e}},{key:"codespan",value:function(e){return e}},{key:"del",value:function(e){return e}},{key:"html",value:function(e){return e}},{key:"text",value:function(e){return e}},{key:"link",value:function(e,t,n){return""+n}},{key:"image",value:function(e,t,n){return""+n}},{key:"br",value:function(){return""}}]),e}(),bl=function(){function e(){_o(this,e),this.seen={}}return Eo(e,[{key:"serialize",value:function(e){return e.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")}},{key:"getNextSafeSlug",value:function(e,t){var n=e,r=0;if(this.seen.hasOwnProperty(n)){r=this.seen[e];do{n=e+"-"+ ++r}while(this.seen.hasOwnProperty(n))}return t||(this.seen[e]=r,this.seen[n]=0),n}},{key:"slug",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=this.serialize(e);return this.getNextSafeSlug(n,t.dryrun)}}]),e}(),xl=ba.defaults,wl=Ua,Sl=function(){function e(t){_o(this,e),this.options=t||xl,this.options.renderer=this.options.renderer||new kl,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new ml,this.slugger=new bl}return Eo(e,[{key:"parse",value:function(e){var t,n,r,i,o,a,l,s,c,u,f,p,h,g,d,v,y,k,m=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],b="",x=e.length;for(t=0;t<x;t++)switch((u=e[t]).type){case"space":continue;case"hr":b+=this.renderer.hr();continue;case"heading":b+=this.renderer.heading(this.parseInline(u.tokens),u.depth,wl(this.parseInline(u.tokens,this.textRenderer)),this.slugger);continue;case"code":b+=this.renderer.code(u.text,u.lang,u.escaped);continue;case"table":for(s="",l="",i=u.header.length,n=0;n<i;n++)l+=this.renderer.tablecell(this.parseInline(u.tokens.header[n]),{header:!0,align:u.align[n]});for(s+=this.renderer.tablerow(l),c="",i=u.cells.length,n=0;n<i;n++){for(l="",o=(a=u.tokens.cells[n]).length,r=0;r<o;r++)l+=this.renderer.tablecell(this.parseInline(a[r]),{header:!1,align:u.align[r]});c+=this.renderer.tablerow(l)}b+=this.renderer.table(s,c);continue;case"blockquote":c=this.parse(u.tokens),b+=this.renderer.blockquote(c);continue;case"list":for(f=u.ordered,p=u.start,h=u.loose,i=u.items.length,c="",n=0;n<i;n++)v=(d=u.items[n]).checked,y=d.task,g="",d.task&&(k=this.renderer.checkbox(v),h?d.tokens.length>0&&"text"===d.tokens[0].type?(d.tokens[0].text=k+" "+d.tokens[0].text,d.tokens[0].tokens&&d.tokens[0].tokens.length>0&&"text"===d.tokens[0].tokens[0].type&&(d.tokens[0].tokens[0].text=k+" "+d.tokens[0].tokens[0].text)):d.tokens.unshift({type:"text",text:k}):g+=k),g+=this.parse(d.tokens,h),c+=this.renderer.listitem(g,y,v);b+=this.renderer.list(c,f,p);continue;case"html":b+=this.renderer.html(u.text);continue;case"paragraph":b+=this.renderer.paragraph(this.parseInline(u.tokens));continue;case"text":for(c=u.tokens?this.parseInline(u.tokens):u.text;t+1<x&&"text"===e[t+1].type;)c+="\n"+((u=e[++t]).tokens?this.parseInline(u.tokens):u.text);b+=m?this.renderer.paragraph(c):c;continue;default:var w='Token with "'+u.type+'" type was not found.';if(this.options.silent)return void console.error(w);throw new Error(w)}return b}},{key:"parseInline",value:function(e,t){t=t||this.renderer;var n,r,i="",o=e.length;for(n=0;n<o;n++)switch((r=e[n]).type){case"escape":i+=t.text(r.text);break;case"html":i+=t.html(r.text);break;case"link":i+=t.link(r.href,r.title,this.parseInline(r.tokens,t));break;case"image":i+=t.image(r.href,r.title,r.text);break;case"strong":i+=t.strong(this.parseInline(r.tokens,t));break;case"em":i+=t.em(this.parseInline(r.tokens,t));break;case"codespan":i+=t.codespan(r.text);break;case"br":i+=t.br();break;case"del":i+=t.del(this.parseInline(r.tokens,t));break;case"text":i+=t.text(r.text);break;default:var a='Token with "'+r.type+'" type was not found.';if(this.options.silent)return void console.error(a);throw new Error(a)}return i}}],[{key:"parse",value:function(t,n){return new e(n).parse(t)}},{key:"parseInline",value:function(t,n){return new e(n).parseInline(t)}}]),e}(),_l=Fa,Al=Ba,El=Na,Ol=ba.getDefaults,Tl=ba.changeDefaults,Rl=ba.defaults;function Il(e,t,n){if(null==e)throw new Error("marked(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");if("function"==typeof t&&(n=t,t=null),t=_l({},Il.defaults,t||{}),Al(t),n){var r,i=t.highlight;try{r=gl.lex(e,t)}catch(e){return n(e)}var o=function(e){var o;if(!e)try{o=Sl.parse(r,t)}catch(t){e=t}return t.highlight=i,e?n(e):n(null,o)};if(!i||i.length<3)return o();if(delete t.highlight,!r.length)return o();var a=0;return Il.walkTokens(r,(function(e){"code"===e.type&&(a++,setTimeout((function(){i(e.text,e.lang,(function(t,n){if(t)return o(t);null!=n&&n!==e.text&&(e.text=n,e.escaped=!0),0===--a&&o()}))}),0))})),void(0===a&&o())}try{var l=gl.lex(e,t);return t.walkTokens&&Il.walkTokens(l,t.walkTokens),Sl.parse(l,t)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+El(e.message+"",!0)+"</pre>";throw e}}Il.options=Il.setOptions=function(e){return _l(Il.defaults,e),Tl(Il.defaults),Il},Il.getDefaults=Ol,Il.defaults=Rl,Il.use=function(e){var t=_l({},e);if(e.renderer&&function(){var n=Il.defaults.renderer||new kl,r=function(t){var r=n[t];n[t]=function(){for(var i=arguments.length,o=new Array(i),a=0;a<i;a++)o[a]=arguments[a];var l=e.renderer[t].apply(n,o);return!1===l&&(l=r.apply(n,o)),l}};for(var i in e.renderer)r(i);t.renderer=n}(),e.tokenizer&&function(){var n=Il.defaults.tokenizer||new tl,r=function(t){var r=n[t];n[t]=function(){for(var i=arguments.length,o=new Array(i),a=0;a<i;a++)o[a]=arguments[a];var l=e.tokenizer[t].apply(n,o);return!1===l&&(l=r.apply(n,o)),l}};for(var i in e.tokenizer)r(i);t.tokenizer=n}(),e.walkTokens){var n=Il.defaults.walkTokens;t.walkTokens=function(t){e.walkTokens(t),n&&n(t)}}Il.setOptions(t)},Il.walkTokens=function(e,t){var n,r=zo(e);try{for(r.s();!(n=r.n()).done;){var i=n.value;switch(t(i),i.type){case"table":var o,a=zo(i.tokens.header);try{for(a.s();!(o=a.n()).done;){var l=o.value;Il.walkTokens(l,t)}}catch(e){a.e(e)}finally{a.f()}var s,c=zo(i.tokens.cells);try{for(c.s();!(s=c.n()).done;){var u,f=zo(s.value);try{for(f.s();!(u=f.n()).done;){var p=u.value;Il.walkTokens(p,t)}}catch(e){f.e(e)}finally{f.f()}}}catch(e){c.e(e)}finally{c.f()}break;case"list":Il.walkTokens(i.items,t);break;default:i.tokens&&Il.walkTokens(i.tokens,t)}}}catch(e){r.e(e)}finally{r.f()}},Il.parseInline=function(e,t){if(null==e)throw new Error("marked.parseInline(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked.parseInline(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");t=_l({},Il.defaults,t||{}),Al(t);try{var n=gl.lexInline(e,t);return t.walkTokens&&Il.walkTokens(n,t.walkTokens),Sl.parseInline(n,t)}catch(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+El(e.message+"",!0)+"</pre>";throw e}},Il.Parser=Sl,Il.parser=Sl.parse,Il.Renderer=kl,Il.TextRenderer=ml,Il.Lexer=gl,Il.lexer=gl.lex,Il.Tokenizer=tl,Il.Slugger=bl,Il.parse=Il;var jl=Il,zl="__SCRIPT_END__",$l=/\[([\s\d,|-]*)\]/,Pl={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"};return function(){var e;function t(e){var t=(e.querySelector("[data-template]")||e.querySelector("script")||e).textContent,n=(t=t.replace(new RegExp(zl,"g"),"<\/script>")).match(/^\n?(\s*)/)[1].length,r=t.match(/^\n?(\t*)/)[1].length;return r>0?t=t.replace(new RegExp("\\n?\\t{"+r+"}","g"),"\n"):n>1&&(t=t.replace(new RegExp("\\n? {"+n+"}","g"),"\n")),t}function n(e){for(var t=e.attributes,n=[],r=0,i=t.length;r<i;r++){var o=t[r].name,a=t[r].value;/data\-(markdown|separator|vertical|notes)/gi.test(o)||(a?n.push(o+'="'+a+'"'):n.push(o))}return n.join(" ")}function r(e){return(e=e||{}).separator=e.separator||"^\r?\n---\r?\n$",e.notesSeparator=e.notesSeparator||"notes?:",e.attributes=e.attributes||"",e}function i(e,t){t=r(t);var n=e.split(new RegExp(t.notesSeparator,"mgi"));return 2===n.length&&(e=n[0]+'<aside class="notes">'+jl(n[1].trim())+"</aside>"),'<script type="text/template">'+(e=e.replace(/<\/script>/g,zl))+"<\/script>"}function o(e,t){t=r(t);for(var n,o,a,l=new RegExp(t.separator+(t.verticalSeparator?"|"+t.verticalSeparator:""),"mg"),s=new RegExp(t.separator),c=0,u=!0,f=[];n=l.exec(e);)!(o=s.test(n[0]))&&u&&f.push([]),a=e.substring(c,n.index),o&&u?f.push(a):f[f.length-1].push(a),c=l.lastIndex,u=o;(u?f:f[f.length-1]).push(e.substring(c));for(var p="",h=0,g=f.length;h<g;h++)f[h]instanceof Array?(p+="<section "+t.attributes+">",f[h].forEach((function(e){p+="<section data-markdown>"+i(e,t)+"</section>"})),p+="</section>"):p+="<section "+t.attributes+" data-markdown>"+i(f[h],t)+"</section>";return p}function a(e){return new Promise((function(r){var 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