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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: [] + +} \ No newline at end of file diff --git a/js/reveal.js b/js/reveal.js index afa3567..e73cca9 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -1,4 +1,5 @@ import Playback from './components/playback.js' +import defaultConfig from './config.js' /** * reveal.js @@ -9,8 +10,6 @@ import Playback from './components/playback.js' */ export default function( revealElement, options ) { - 'use strict'; - let Reveal; // The reveal.js version @@ -27,284 +26,7 @@ export default function( revealElement, options ) { 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: [] - - }, + let config, // Flags if reveal.js is loaded (has dispatched the 'ready' event) loaded = false, @@ -432,8 +154,7 @@ export default function( revealElement, options ) { if( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies']; // Copy options over to our config object - extend( config, options ); - extend( config, query ); + config = {...defaultConfig, ...options, ...query} // Loads dependencies and continues to #start() once done load();