import Playback from './src/playback.js' /** * reveal.js * http://revealjs.com * MIT licensed * * Copyright (C) 2020 Hakim El Hattab, http://hakim.se */ (function( root, factory ) { if( typeof define === 'function' && define.amd ) { // AMD. Register as an anonymous module. define( function() { root.Reveal = factory(); return root.Reveal; } ); } else if( typeof exports === 'object' ) { // Node. Does not work with strict CommonJS. module.exports = factory(); } else { // Browser globals. root.Reveal = factory(); } }( this || window, () => { 'use strict'; let Reveal; // The reveal.js version const VERSION = '4.0.0-dev'; const SLIDES_SELECTOR = '.slides section'; const HORIZONTAL_SLIDES_SELECTOR = '.slides>section'; const VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section'; const HOME_SLIDE_SELECTOR = '.slides>section:first-of-type'; const UA = navigator.userAgent; // Methods that may not be invoked via the postMessage API const POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/; // Configuration defaults, can be overridden at initialization time let config = { // The "normal" size of the presentation, aspect ratio will be preserved // when the presentation is scaled to fit different resolutions width: 960, height: 700, // Factor of the display size that should remain empty around the content margin: 0.04, // Bounds for smallest/largest possible scale to apply to content minScale: 0.2, maxScale: 2.0, // Display presentation control arrows controls: true, // Help the user learn the controls by providing hints, for example by // bouncing the down arrow when they first encounter a vertical slide controlsTutorial: true, // Determines where controls appear, "edges" or "bottom-right" controlsLayout: 'bottom-right', // Visibility rule for backwards navigation arrows; "faded", "hidden" // or "visible" controlsBackArrows: 'faded', // Display a presentation progress bar progress: true, // Display the page number of the current slide // - true: Show slide number // - false: Hide slide number // // Can optionally be set as a string that specifies the number formatting: // - "h.v": Horizontal . vertical slide number (default) // - "h/v": Horizontal / vertical slide number // - "c": Flattened slide number // - "c/t": Flattened slide number / total slides // // Alternatively, you can provide a function that returns the slide // number for the current slide. The function should take in a slide // object and return an array with one string [slideNumber] or // three strings [n1,delimiter,n2]. See #formatSlideNumber(). slideNumber: false, // Can be used to limit the contexts in which the slide number appears // - "all": Always show the slide number // - "print": Only when printing to PDF // - "speaker": Only in the speaker view showSlideNumber: 'all', // Use 1 based indexing for # links to match slide number (default is zero // based) hashOneBasedIndex: false, // Add the current slide number to the URL hash so that reloading the // page/copying the URL will return you to the same slide hash: false, // Push each slide change to the browser history. Implies `hash: true` history: false, // Enable keyboard shortcuts for navigation keyboard: true, // Optional function that blocks keyboard events when retuning false keyboardCondition: null, // Enable the slide overview mode overview: true, // Disables the default reveal.js slide layout so that you can use // custom CSS layout disableLayout: false, // Vertical centering of slides center: true, // Enables touch navigation on devices with touch input touch: true, // Loop the presentation loop: false, // Change the presentation direction to be RTL rtl: false, // Changes the behavior of our navigation directions. // // "default" // Left/right arrow keys step between horizontal slides, up/down // arrow keys step between vertical slides. Space key steps through // all slides (both horizontal and vertical). // // "linear" // Removes the up/down arrows. Left/right arrows step through all // slides (both horizontal and vertical). // // "grid" // When this is enabled, stepping left/right from a vertical stack // to an adjacent vertical stack will land you at the same vertical // index. // // Consider a deck with six slides ordered in two vertical stacks: // 1.1 2.1 // 1.2 2.2 // 1.3 2.3 // // If you're on slide 1.3 and navigate right, you will normally move // from 1.3 -> 2.1. If "grid" is used, the same navigation takes you // from 1.3 -> 2.3. navigationMode: 'default', // Randomizes the order of slides each time the presentation loads shuffle: false, // Turns fragments on and off globally fragments: true, // Flags whether to include the current fragment in the URL, // so that reloading brings you to the same fragment position fragmentInURL: false, // Flags if the presentation is running in an embedded mode, // i.e. contained within a limited portion of the screen embedded: false, // Flags if we should show a help overlay when the question-mark // key is pressed help: true, // Flags if it should be possible to pause the presentation (blackout) pause: true, // Flags if speaker notes should be visible to all viewers showNotes: false, // Global override for autolaying embedded media (video/audio/iframe) // - null: Media will only autoplay if data-autoplay is present // - true: All media will autoplay, regardless of individual setting // - false: No media will autoplay, regardless of individual setting autoPlayMedia: null, // Global override for preloading lazy-loaded iframes // - null: Iframes with data-src AND data-preload will be loaded when within // the viewDistance, iframes with only data-src will be loaded when visible // - true: All iframes with data-src will be loaded when within the viewDistance // - false: All iframes with data-src will be loaded only when visible preloadIframes: null, // Can be used to globally disable auto-animation autoAnimate: true, // Optionally provide a custom element matcher that will be // used to dictate which elements we can animate between. autoAnimateMatcher: null, // Default settings for our auto-animate transitions, can be // overridden per-slide or per-element via data arguments autoAnimateEasing: 'ease', autoAnimateDuration: 1.0, autoAnimateUnmatched: true, // CSS properties that can be auto-animated. Position & scale // is matched separately so there's no need to include styles // like top/right/bottom/left, width/height or margin. autoAnimateStyles: [ 'opacity', 'color', 'background-color', 'padding', 'font-size', 'line-height', 'letter-spacing', 'border-width', 'border-color', 'border-radius', 'outline', 'outline-offset' ], // Controls automatic progression to the next slide // - 0: Auto-sliding only happens if the data-autoslide HTML attribute // is present on the current slide or fragment // - 1+: All slides will progress automatically at the given interval // - false: No auto-sliding, even if data-autoslide is present autoSlide: 0, // Stop auto-sliding after user input autoSlideStoppable: true, // Use this method for navigation when auto-sliding (defaults to navigateNext) autoSlideMethod: null, // Specify the average time in seconds that you think you will spend // presenting each slide. This is used to show a pacing timer in the // speaker view defaultTiming: null, // Enable slide navigation via mouse wheel mouseWheel: false, // Opens links in an iframe preview overlay // Add `data-preview-link` and `data-preview-link="false"` to customise each link // individually previewLinks: false, // Exposes the reveal.js API through window.postMessage postMessage: true, // Dispatches all reveal.js events to the parent window through postMessage postMessageEvents: false, // Focuses body when page changes visibility to ensure keyboard shortcuts work focusBodyOnPageVisibilityChange: true, // Transition style transition: 'slide', // none/fade/slide/convex/concave/zoom // Transition speed transitionSpeed: 'default', // default/fast/slow // Transition style for full page slide backgrounds backgroundTransition: 'fade', // none/fade/slide/convex/concave/zoom // Parallax background image parallaxBackgroundImage: '', // CSS syntax, e.g. "a.jpg" // Parallax background size parallaxBackgroundSize: '', // CSS syntax, e.g. "3000px 2000px" // Parallax background repeat parallaxBackgroundRepeat: '', // repeat/repeat-x/repeat-y/no-repeat/initial/inherit // Parallax background position parallaxBackgroundPosition: '', // CSS syntax, e.g. "top left" // Amount of pixels to move the parallax background per slide step parallaxBackgroundHorizontal: null, parallaxBackgroundVertical: null, // The maximum number of pages a single slide can expand onto when printing // to PDF, unlimited by default pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY, // Prints each fragment on a separate slide pdfSeparateFragments: true, // Offset used to reduce the height of content within exported PDF pages. // This exists to account for environment differences based on how you // print to PDF. CLI printing options, like phantomjs and wkpdf, can end // on precisely the total height of the document whereas in-browser // printing has to end one pixel before. pdfPageHeightOffset: -1, // Number of slides away from the current that are visible viewDistance: 3, // Number of slides away from the current that are visible on mobile // devices. It is advisable to set this to a lower number than // viewDistance in order to save resources. mobileViewDistance: 2, // The display mode that will be used to show slides display: 'block', // Hide cursor if inactive hideInactiveCursor: true, // Time before the cursor is hidden (in ms) hideCursorTime: 5000, // Script dependencies to load dependencies: [] }, // Flags if Reveal.initialize() has been called initialized = false, // Flags if reveal.js is loaded (has dispatched the 'ready' event) loaded = false, // Flags if the overview mode is currently active overview = false, // Holds the dimensions of our overview slides, including margins overviewSlideWidth = null, overviewSlideHeight = null, // The horizontal and vertical index of the currently active slide indexh, indexv, // The previous and current slide HTML elements previousSlide, currentSlide, previousBackground, // Remember which directions that the user has navigated towards hasNavigatedHorizontally = false, hasNavigatedVertically = false, // Slides may hold 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 = {}, // A list of registered reveal.js plugins plugins = {}, // List of asynchronously loaded reveal.js dependencies asyncDependencies = [], // Features supported by the browser, see #checkCapabilities() features = {}, // Client is a mobile device, see #checkCapabilities() isMobileDevice, // Client is a desktop Chrome, see #checkCapabilities() isChrome, // Throttles mouse wheel navigation lastMouseWheelStep = 0, // Delays updates to the URL due to a Chrome thumbnailer bug writeURLTimeout = 0, // Is the mouse pointer currently hidden from view cursorHidden = false, // Timeout used to determine when the cursor is inactive cursorInactiveTimeout = 0, // Flags if the interaction event listeners are bound eventsAreBound = false, //