1
0
mirror of https://github.com/hakimel/reveal.js.git synced 2025-08-28 00:40:31 +02:00
Files
reveal.js/dist/reveal.mjs
Hakim El Hattab 53855d4a49 rebase and rebuild
2025-05-09 13:58:14 +02:00

3414 lines
156 KiB
JavaScript

var di = Object.defineProperty;
var ci = (c, e, i) => e in c ? di(c, e, { enumerable: !0, configurable: !0, writable: !0, value: i }) : c[e] = i;
var Rt = (c, e, i) => ci(c, typeof e != "symbol" ? e + "" : e, i);
const ue = (c, e) => {
for (let i in e)
c[i] = e[i];
return c;
}, E = (c, e) => Array.from(c.querySelectorAll(e)), Oe = (c, e, i) => {
i ? c.classList.add(e) : c.classList.remove(e);
}, he = (c) => {
if (typeof c == "string") {
if (c === "null") return null;
if (c === "true") return !0;
if (c === "false") return !1;
if (c.match(/^-?[\d\.]+$/)) return parseFloat(c);
}
return c;
}, se = (c, e) => {
c.style.transform = e;
}, Pe = (c, e) => {
let i = c.matches || c.matchesSelector || c.msMatchesSelector;
return !!(i && i.call(c, e));
}, V = (c, e) => {
if (typeof c.closest == "function")
return c.closest(e);
for (; c; ) {
if (Pe(c, e))
return c;
c = c.parentNode;
}
return null;
}, xt = (c) => {
c = c || document.documentElement;
let e = c.requestFullscreen || c.webkitRequestFullscreen || c.webkitRequestFullScreen || c.mozRequestFullScreen || c.msRequestFullscreen;
e && e.apply(c);
}, hi = (c, e, i, t = "") => {
let s = c.querySelectorAll("." + i);
for (let r = 0; r < s.length; r++) {
let o = s[r];
if (o.parentNode === c)
return o;
}
let n = document.createElement(e);
return n.className = i, n.innerHTML = t, c.appendChild(n), n;
}, Ue = (c) => {
let e = document.createElement("style");
return e.type = "text/css", c && c.length > 0 && (e.styleSheet ? e.styleSheet.cssText = c : e.appendChild(document.createTextNode(c))), document.head.appendChild(e), e;
}, At = () => {
let c = {};
location.search.replace(/[A-Z0-9]+?=([\w\.%-]*)/gi, (e) => {
c[e.split("=").shift()] = e.split("=").pop();
});
for (let e in c) {
let i = c[e];
c[e] = he(unescape(i));
}
return typeof c.dependencies < "u" && delete c.dependencies, c;
}, ui = (c, e = 0) => {
if (c) {
let i, t = c.style.height;
return c.style.height = "0px", c.parentNode.style.height = "auto", i = e - c.parentNode.offsetHeight, c.style.height = t + "px", c.parentNode.style.removeProperty("height"), i;
}
return e;
}, fi = {
mp4: "video/mp4",
m4a: "video/mp4",
ogv: "video/ogg",
mpeg: "video/mpeg",
webm: "video/webm"
}, gi = (c = "") => fi[c.split(".").pop()], pi = (c = "") => encodeURI(c).replace(/%5B/g, "[").replace(/%5D/g, "]").replace(
/[!'()*]/g,
(e) => `%${e.charCodeAt(0).toString(16).toUpperCase()}`
), Tt = navigator.userAgent, fe = /(iphone|ipod|ipad|android)/gi.test(Tt) || navigator.platform === "MacIntel" && navigator.maxTouchPoints > 1, It = /android/gi.test(Tt);
var vi = function(c) {
if (c) {
var e = function(f) {
return [].slice.call(f);
}, i = 0, t = 1, s = 2, n = 3, r = [], o = null, h = "requestAnimationFrame" in c ? function() {
var f = arguments.length > 0 && arguments[0] !== void 0 ? arguments[0] : { sync: !1 };
c.cancelAnimationFrame(o);
var S = function() {
return g(r.filter(function(x) {
return x.dirty && x.active;
}));
};
if (f.sync) return S();
o = c.requestAnimationFrame(S);
} : function() {
}, u = function(f) {
return function(S) {
r.forEach(function(x) {
return x.dirty = f;
}), h(S);
};
}, g = function(f) {
f.filter(function(x) {
return !x.styleComputed;
}).forEach(function(x) {
x.styleComputed = l(x);
}), f.filter(R).forEach(M);
var S = f.filter(b);
S.forEach(m), S.forEach(function(x) {
M(x), p(x);
}), S.forEach(O);
}, p = function(f) {
return f.dirty = i;
}, m = function(f) {
f.availableWidth = f.element.parentNode.clientWidth, f.currentWidth = f.element.scrollWidth, f.previousFontSize = f.currentFontSize, f.currentFontSize = Math.min(Math.max(f.minSize, f.availableWidth / f.currentWidth * f.previousFontSize), f.maxSize), f.whiteSpace = f.multiLine && f.currentFontSize === f.minSize ? "normal" : "nowrap";
}, b = function(f) {
return f.dirty !== s || f.dirty === s && f.element.parentNode.clientWidth !== f.availableWidth;
}, l = function(f) {
var S = c.getComputedStyle(f.element, null);
return f.currentFontSize = parseFloat(S.getPropertyValue("font-size")), f.display = S.getPropertyValue("display"), f.whiteSpace = S.getPropertyValue("white-space"), !0;
}, R = function(f) {
var S = !1;
return !f.preStyleTestCompleted && (/inline-/.test(f.display) || (S = !0, f.display = "inline-block"), f.whiteSpace !== "nowrap" && (S = !0, f.whiteSpace = "nowrap"), f.preStyleTestCompleted = !0, S);
}, M = function(f) {
f.element.style.whiteSpace = f.whiteSpace, f.element.style.display = f.display, f.element.style.fontSize = f.currentFontSize + "px";
}, O = function(f) {
f.element.dispatchEvent(new CustomEvent("fit", { detail: { oldValue: f.previousFontSize, newValue: f.currentFontSize, scaleFactor: f.currentFontSize / f.previousFontSize } }));
}, q = function(f, S) {
return function(x) {
f.dirty = S, f.active && h(x);
};
}, ae = function(f) {
return function() {
r = r.filter(function(S) {
return S.element !== f.element;
}), f.observeMutations && f.observer.disconnect(), f.element.style.whiteSpace = f.originalStyle.whiteSpace, f.element.style.display = f.originalStyle.display, f.element.style.fontSize = f.originalStyle.fontSize;
};
}, z = function(f) {
return function() {
f.active || (f.active = !0, h());
};
}, k = function(f) {
return function() {
return f.active = !1;
};
}, B = function(f) {
f.observeMutations && (f.observer = new MutationObserver(q(f, t)), f.observer.observe(f.element, f.observeMutations));
}, U = { minSize: 16, maxSize: 512, multiLine: !0, observeMutations: "MutationObserver" in c && { subtree: !0, childList: !0, characterData: !0 } }, W = null, L = function() {
c.clearTimeout(W), W = c.setTimeout(u(s), C.observeWindowDelay);
}, A = ["resize", "orientationchange"];
return Object.defineProperty(C, "observeWindow", { set: function(f) {
var S = "".concat(f ? "add" : "remove", "EventListener");
A.forEach(function(x) {
c[S](x, L);
});
} }), C.observeWindow = !0, C.observeWindowDelay = 100, C.fitAll = u(n), C;
}
function F(f, S) {
var x = Object.assign({}, U, S), X = f.map(function(j) {
var ee = Object.assign({}, x, { element: j, active: !0 });
return function(D) {
D.originalStyle = { whiteSpace: D.element.style.whiteSpace, display: D.element.style.display, fontSize: D.element.style.fontSize }, B(D), D.newbie = !0, D.dirty = !0, r.push(D);
}(ee), { element: j, fit: q(ee, n), unfreeze: z(ee), freeze: k(ee), unsubscribe: ae(ee) };
});
return h(), X;
}
function C(f) {
var S = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : {};
return typeof f == "string" ? F(e(document.querySelectorAll(f)), S) : F([f], S)[0];
}
}(typeof window > "u" ? null : window);
class mi {
constructor(e) {
this.Reveal = e, 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(e) {
if (this.Reveal.isScrollView())
return !0;
let i = this.Reveal.getConfig().preloadIframes;
return typeof i != "boolean" && (i = e.hasAttribute("data-preload")), i;
}
/**
* 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(e, i = {}) {
e.style.display = this.Reveal.getConfig().display, E(e, "img[data-src], video[data-src], audio[data-src], iframe[data-src]").forEach((s) => {
(s.tagName !== "IFRAME" || this.shouldPreload(s)) && (s.setAttribute("src", s.getAttribute("data-src")), s.setAttribute("data-lazy-loaded", ""), s.removeAttribute("data-src"));
}), E(e, "video, audio").forEach((s) => {
let n = 0;
E(s, "source[data-src]").forEach((r) => {
r.setAttribute("src", r.getAttribute("data-src")), r.removeAttribute("data-src"), r.setAttribute("data-lazy-loaded", ""), n += 1;
}), fe && s.tagName === "VIDEO" && s.setAttribute("playsinline", ""), n > 0 && s.load();
});
let t = e.slideBackgroundElement;
if (t) {
t.style.display = "block";
let s = e.slideBackgroundContentElement, n = e.getAttribute("data-background-iframe");
if (t.hasAttribute("data-loaded") === !1) {
t.setAttribute("data-loaded", "true");
let o = e.getAttribute("data-background-image"), h = e.getAttribute("data-background-video"), u = e.hasAttribute("data-background-video-loop"), g = e.hasAttribute("data-background-video-muted");
if (o)
/^data:/.test(o.trim()) ? s.style.backgroundImage = `url(${o.trim()})` : s.style.backgroundImage = o.split(",").map((p) => {
let m = decodeURI(p.trim());
return `url(${pi(m)})`;
}).join(",");
else if (h) {
let p = document.createElement("video");
u && p.setAttribute("loop", ""), (g || this.Reveal.isSpeakerNotes()) && (p.muted = !0), fe && (p.muted = !0, p.setAttribute("playsinline", "")), h.split(",").forEach((m) => {
const b = document.createElement("source");
b.setAttribute("src", m);
let l = gi(m);
l && b.setAttribute("type", l), p.appendChild(b);
}), s.appendChild(p);
} else if (n && i.excludeIframes !== !0) {
let p = document.createElement("iframe");
p.setAttribute("allowfullscreen", ""), p.setAttribute("mozallowfullscreen", ""), p.setAttribute("webkitallowfullscreen", ""), p.setAttribute("allow", "autoplay"), p.setAttribute("data-src", n), p.style.width = "100%", p.style.height = "100%", p.style.maxHeight = "100%", p.style.maxWidth = "100%", s.appendChild(p);
}
}
let r = s.querySelector("iframe[data-src]");
r && this.shouldPreload(t) && !/autoplay=(1|true|yes)/gi.test(n) && r.getAttribute("src") !== n && r.setAttribute("src", n);
}
this.layout(e);
}
/**
* Applies JS-dependent layout helpers for the scope.
*/
layout(e) {
Array.from(e.querySelectorAll(".r-fit-text")).forEach((i) => {
vi(i, {
minSize: 24,
maxSize: this.Reveal.getConfig().height * 0.8,
observeMutations: !1,
observeWindow: !1
});
});
}
/**
* Unloads and hides the given slide. This is called when the
* slide is moved outside of the configured view distance.
*
* @param {HTMLElement} slide
*/
unload(e) {
e.style.display = "none";
let i = this.Reveal.getSlideBackground(e);
i && (i.style.display = "none", E(i, "iframe[src]").forEach((t) => {
t.removeAttribute("src");
})), E(e, "video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]").forEach((t) => {
t.setAttribute("data-src", t.getAttribute("src")), t.removeAttribute("src");
}), E(e, "video[data-lazy-loaded] source[src], audio source[src]").forEach((t) => {
t.setAttribute("data-src", t.getAttribute("src")), t.removeAttribute("src");
});
}
/**
* Enforces origin-specific format rules for embedded media.
*/
formatEmbeddedContent() {
let e = (i, t, s) => {
E(this.Reveal.getSlidesElement(), "iframe[" + i + '*="' + t + '"]').forEach((n) => {
let r = n.getAttribute(i);
r && r.indexOf(s) === -1 && n.setAttribute(i, r + (/\?/.test(r) ? "&" : "?") + s);
});
};
e("src", "youtube.com/embed/", "enablejsapi=1"), e("data-src", "youtube.com/embed/", "enablejsapi=1"), e("src", "player.vimeo.com/", "api=1"), e("data-src", "player.vimeo.com/", "api=1");
}
/**
* Start playback of any embedded content inside of
* the given element.
*
* @param {HTMLElement} element
*/
startEmbeddedContent(e) {
if (e) {
const i = this.Reveal.isSpeakerNotes();
E(e, 'img[src$=".gif"]').forEach((t) => {
t.setAttribute("src", t.getAttribute("src"));
}), E(e, "video, audio").forEach((t) => {
if (V(t, ".fragment") && !V(t, ".fragment.visible"))
return;
let s = this.Reveal.getConfig().autoPlayMedia;
if (typeof s != "boolean" && (s = t.hasAttribute("data-autoplay") || !!V(t, ".slide-background")), s && typeof t.play == "function") {
if (i && !t.muted) return;
if (t.readyState > 1)
this.startEmbeddedMedia({ target: t });
else if (fe) {
let n = t.play();
n && typeof n.catch == "function" && t.controls === !1 && n.catch(() => {
t.controls = !0, t.addEventListener("play", () => {
t.controls = !1;
});
});
} else
t.removeEventListener("loadeddata", this.startEmbeddedMedia), t.addEventListener("loadeddata", this.startEmbeddedMedia);
}
}), i || (E(e, "iframe[src]").forEach((t) => {
V(t, ".fragment") && !V(t, ".fragment.visible") || this.startEmbeddedIframe({ target: t });
}), E(e, "iframe[data-src]").forEach((t) => {
V(t, ".fragment") && !V(t, ".fragment.visible") || t.getAttribute("src") !== t.getAttribute("data-src") && (t.removeEventListener("load", this.startEmbeddedIframe), t.addEventListener("load", this.startEmbeddedIframe), t.setAttribute("src", t.getAttribute("data-src")));
}));
}
}
/**
* Starts playing an embedded video/audio element after
* it has finished loading.
*
* @param {object} event
*/
startEmbeddedMedia(e) {
let i = !!V(e.target, "html"), t = !!V(e.target, ".present");
i && t && (e.target.paused || e.target.ended) && (e.target.currentTime = 0, e.target.play()), e.target.removeEventListener("loadeddata", this.startEmbeddedMedia);
}
/**
* "Starts" the content of an embedded iframe using the
* postMessage API.
*
* @param {object} event
*/
startEmbeddedIframe(e) {
let i = e.target;
if (i && i.contentWindow) {
let t = !!V(e.target, "html"), s = !!V(e.target, ".present");
if (t && s) {
let n = this.Reveal.getConfig().autoPlayMedia;
typeof n != "boolean" && (n = i.hasAttribute("data-autoplay") || !!V(i, ".slide-background")), /youtube\.com\/embed\//.test(i.getAttribute("src")) && n ? i.contentWindow.postMessage('{"event":"command","func":"playVideo","args":""}', "*") : /player\.vimeo\.com\//.test(i.getAttribute("src")) && n ? i.contentWindow.postMessage('{"method":"play"}', "*") : i.contentWindow.postMessage("slide:start", "*");
}
}
}
/**
* Stop playback of any embedded content inside of
* the targeted slide.
*
* @param {HTMLElement} element
*/
stopEmbeddedContent(e, i = {}) {
i = ue({
// Defaults
unloadIframes: !0
}, i), e && e.parentNode && (E(e, "video, audio").forEach((t) => {
!t.hasAttribute("data-ignore") && typeof t.pause == "function" && (t.setAttribute("data-paused-by-reveal", ""), t.pause());
}), E(e, "iframe").forEach((t) => {
t.contentWindow && t.contentWindow.postMessage("slide:stop", "*"), t.removeEventListener("load", this.startEmbeddedIframe);
}), E(e, 'iframe[src*="youtube.com/embed/"]').forEach((t) => {
!t.hasAttribute("data-ignore") && t.contentWindow && typeof t.contentWindow.postMessage == "function" && t.contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}', "*");
}), E(e, 'iframe[src*="player.vimeo.com/"]').forEach((t) => {
!t.hasAttribute("data-ignore") && t.contentWindow && typeof t.contentWindow.postMessage == "function" && t.contentWindow.postMessage('{"method":"pause"}', "*");
}), i.unloadIframes === !0 && E(e, "iframe[data-src]").forEach((t) => {
t.setAttribute("src", "about:blank"), t.removeAttribute("src");
}));
}
}
const oe = ".slides section", ie = ".slides>section", kt = ".slides>section.present>section", yi = ".backgrounds>.slide-background", bi = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener|showPreview/, wi = "h.v", Ei = "h/v", We = "c", Mt = "c/t";
class Si {
constructor(e) {
this.Reveal = e;
}
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(e, i) {
let t = "none";
e.slideNumber && !this.Reveal.isPrintView() && (e.showSlideNumber === "all" || e.showSlideNumber === "speaker" && this.Reveal.isSpeakerNotes()) && (t = "block"), this.element.style.display = t;
}
/**
* Updates the slide number to match the current slide.
*/
update() {
this.Reveal.getConfig().slideNumber && this.element && (this.element.innerHTML = this.getSlideNumber());
}
/**
* Returns the HTML string corresponding to the current slide
* number, including formatting.
*/
getSlideNumber(e = this.Reveal.getCurrentSlide()) {
let i = this.Reveal.getConfig(), t, s = wi;
if (typeof i.slideNumber == "function")
t = i.slideNumber(e);
else {
typeof i.slideNumber == "string" && (s = i.slideNumber), !/c/.test(s) && this.Reveal.getHorizontalSlides().length === 1 && (s = We);
let r = e && e.dataset.visibility === "uncounted" ? 0 : 1;
switch (t = [], s) {
case We:
t.push(this.Reveal.getSlidePastCount(e) + r);
break;
case Mt:
t.push(this.Reveal.getSlidePastCount(e) + r, "/", this.Reveal.getTotalSlides());
break;
default:
let o = this.Reveal.getIndices(e);
t.push(o.h + r);
let h = s === Ei ? "/" : ".";
this.Reveal.isVerticalSlide(e) && t.push(h, o.v + 1);
}
}
let n = "#" + this.Reveal.location.getHash(e);
return this.formatNumber(t[0], t[1], t[2], n);
}
/**
* 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(e, i, t, s = "#" + this.Reveal.location.getHash()) {
return typeof t == "number" && !isNaN(t) ? `<a href="${s}">
<span class="slide-number-a">${e}</span>
<span class="slide-number-delimiter">${i}</span>
<span class="slide-number-b">${t}</span>
</a>` : `<a href="${s}">
<span class="slide-number-a">${e}</span>
</a>`;
}
destroy() {
this.element.remove();
}
}
class Ri {
constructor(e) {
this.Reveal = e, this.onInput = this.onInput.bind(this), this.onBlur = this.onBlur.bind(this), this.onKeyDown = this.onKeyDown.bind(this);
}
render() {
this.element = document.createElement("div"), this.element.className = "jump-to-slide", this.jumpInput = document.createElement("input"), this.jumpInput.type = "text", this.jumpInput.className = "jump-to-slide-input", this.jumpInput.placeholder = "Jump to slide", this.jumpInput.addEventListener("input", this.onInput), this.jumpInput.addEventListener("keydown", this.onKeyDown), this.jumpInput.addEventListener("blur", this.onBlur), this.element.appendChild(this.jumpInput);
}
show() {
this.indicesOnShow = this.Reveal.getIndices(), this.Reveal.getRevealElement().appendChild(this.element), this.jumpInput.focus();
}
hide() {
this.isVisible() && (this.element.remove(), this.jumpInput.value = "", clearTimeout(this.jumpTimeout), delete this.jumpTimeout);
}
isVisible() {
return !!this.element.parentNode;
}
/**
* Parses the current input and jumps to the given slide.
*/
jump() {
clearTimeout(this.jumpTimeout), delete this.jumpTimeout;
let e = this.jumpInput.value.trim(""), i;
if (/^\d+$/.test(e)) {
const t = this.Reveal.getConfig().slideNumber;
if (t === We || t === Mt) {
const s = this.Reveal.getSlides()[parseInt(e, 10) - 1];
s && (i = this.Reveal.getIndices(s));
}
}
return i || (/^\d+\.\d+$/.test(e) && (e = e.replace(".", "/")), i = this.Reveal.location.getIndicesFromHash(e, { oneBasedIndex: !0 })), !i && /\S+/i.test(e) && e.length > 1 && (i = this.search(e)), i && e !== "" ? (this.Reveal.slide(i.h, i.v, i.f), !0) : (this.Reveal.slide(this.indicesOnShow.h, this.indicesOnShow.v, this.indicesOnShow.f), !1);
}
jumpAfter(e) {
clearTimeout(this.jumpTimeout), this.jumpTimeout = setTimeout(() => this.jump(), e);
}
/**
* A lofi search that looks for the given query in all
* of our slides and returns the first match.
*/
search(e) {
const i = new RegExp("\\b" + e.trim() + "\\b", "i"), t = this.Reveal.getSlides().find((s) => i.test(s.innerText));
return t ? this.Reveal.getIndices(t) : null;
}
/**
* Reverts back to the slide we were on when jump to slide was
* invoked.
*/
cancel() {
this.Reveal.slide(this.indicesOnShow.h, this.indicesOnShow.v, this.indicesOnShow.f), this.hide();
}
confirm() {
this.jump(), this.hide();
}
destroy() {
this.jumpInput.removeEventListener("input", this.onInput), this.jumpInput.removeEventListener("keydown", this.onKeyDown), this.jumpInput.removeEventListener("blur", this.onBlur), this.element.remove();
}
onKeyDown(e) {
e.keyCode === 13 ? this.confirm() : e.keyCode === 27 && (this.cancel(), e.stopImmediatePropagation());
}
onInput(e) {
this.jumpAfter(200);
}
onBlur() {
setTimeout(() => this.hide(), 1);
}
}
const je = (c) => {
let e = c.match(/^#([0-9a-f]{3})$/i);
if (e && e[1])
return e = e[1], {
r: parseInt(e.charAt(0), 16) * 17,
g: parseInt(e.charAt(1), 16) * 17,
b: parseInt(e.charAt(2), 16) * 17
};
let i = c.match(/^#([0-9a-f]{6})$/i);
if (i && i[1])
return i = i[1], {
r: parseInt(i.slice(0, 2), 16),
g: parseInt(i.slice(2, 4), 16),
b: parseInt(i.slice(4, 6), 16)
};
let t = c.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i);
if (t)
return {
r: parseInt(t[1], 10),
g: parseInt(t[2], 10),
b: parseInt(t[3], 10)
};
let s = c.match(/^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i);
return s ? {
r: parseInt(s[1], 10),
g: parseInt(s[2], 10),
b: parseInt(s[3], 10),
a: parseFloat(s[4])
} : null;
}, Ai = (c) => (typeof c == "string" && (c = je(c)), c ? (c.r * 299 + c.g * 587 + c.b * 114) / 1e3 : null);
class ki {
constructor(e) {
this.Reveal = e;
}
render() {
this.element = document.createElement("div"), this.element.className = "backgrounds", this.Reveal.getRevealElement().appendChild(this.element);
}
/**
* Creates the slide background elements and appends them
* to the background container. One element is created per
* slide no matter if the given slide has visible background.
*/
create() {
this.element.innerHTML = "", this.element.classList.add("no-transition"), this.Reveal.getHorizontalSlides().forEach((e) => {
let i = this.createBackground(e, this.element);
E(e, "section").forEach((t) => {
this.createBackground(t, i), i.classList.add("stack");
});
}), this.Reveal.getConfig().parallaxBackgroundImage ? (this.element.style.backgroundImage = 'url("' + this.Reveal.getConfig().parallaxBackgroundImage + '")', this.element.style.backgroundSize = this.Reveal.getConfig().parallaxBackgroundSize, this.element.style.backgroundRepeat = this.Reveal.getConfig().parallaxBackgroundRepeat, this.element.style.backgroundPosition = this.Reveal.getConfig().parallaxBackgroundPosition, setTimeout(() => {
this.Reveal.getRevealElement().classList.add("has-parallax-background");
}, 1)) : (this.element.style.backgroundImage = "", this.Reveal.getRevealElement().classList.remove("has-parallax-background"));
}
/**
* Creates a background for the given slide.
*
* @param {HTMLElement} slide
* @param {HTMLElement} container The element that the background
* should be appended to
* @return {HTMLElement} New background div
*/
createBackground(e, i) {
let t = document.createElement("div");
t.className = "slide-background " + e.className.replace(/present|past|future/, "");
let s = document.createElement("div");
return s.className = "slide-background-content", t.appendChild(s), i.appendChild(t), e.slideBackgroundElement = t, e.slideBackgroundContentElement = s, this.sync(e), t;
}
/**
* Renders all of the visual properties of a slide background
* based on the various background attributes.
*
* @param {HTMLElement} slide
*/
sync(e) {
const i = e.slideBackgroundElement, t = e.slideBackgroundContentElement, s = {
background: e.getAttribute("data-background"),
backgroundSize: e.getAttribute("data-background-size"),
backgroundImage: e.getAttribute("data-background-image"),
backgroundVideo: e.getAttribute("data-background-video"),
backgroundIframe: e.getAttribute("data-background-iframe"),
backgroundColor: e.getAttribute("data-background-color"),
backgroundGradient: e.getAttribute("data-background-gradient"),
backgroundRepeat: e.getAttribute("data-background-repeat"),
backgroundPosition: e.getAttribute("data-background-position"),
backgroundTransition: e.getAttribute("data-background-transition"),
backgroundOpacity: e.getAttribute("data-background-opacity")
}, n = e.hasAttribute("data-preload");
e.classList.remove("has-dark-background"), e.classList.remove("has-light-background"), i.removeAttribute("data-loaded"), i.removeAttribute("data-background-hash"), i.removeAttribute("data-background-size"), i.removeAttribute("data-background-transition"), i.style.backgroundColor = "", t.style.backgroundSize = "", t.style.backgroundRepeat = "", t.style.backgroundPosition = "", t.style.backgroundImage = "", t.style.opacity = "", t.innerHTML = "", s.background && (/^(http|file|\/\/)/gi.test(s.background) || /\.(svg|png|jpg|jpeg|gif|bmp|webp)([?#\s]|$)/gi.test(s.background) ? e.setAttribute("data-background-image", s.background) : i.style.background = s.background), (s.background || s.backgroundColor || s.backgroundGradient || s.backgroundImage || s.backgroundVideo || s.backgroundIframe) && i.setAttribute("data-background-hash", s.background + s.backgroundSize + s.backgroundImage + s.backgroundVideo + s.backgroundIframe + s.backgroundColor + s.backgroundGradient + s.backgroundRepeat + s.backgroundPosition + s.backgroundTransition + s.backgroundOpacity), s.backgroundSize && i.setAttribute("data-background-size", s.backgroundSize), s.backgroundColor && (i.style.backgroundColor = s.backgroundColor), s.backgroundGradient && (i.style.backgroundImage = s.backgroundGradient), s.backgroundTransition && i.setAttribute("data-background-transition", s.backgroundTransition), n && i.setAttribute("data-preload", ""), s.backgroundSize && (t.style.backgroundSize = s.backgroundSize), s.backgroundRepeat && (t.style.backgroundRepeat = s.backgroundRepeat), s.backgroundPosition && (t.style.backgroundPosition = s.backgroundPosition), s.backgroundOpacity && (t.style.opacity = s.backgroundOpacity);
const r = this.getContrastClass(e);
typeof r == "string" && e.classList.add(r);
}
/**
* Returns a class name that can be applied to a slide to indicate
* if it has a light or dark background.
*
* @param {*} slide
*
* @returns {string|null}
*/
getContrastClass(e) {
const i = e.slideBackgroundElement;
let t = e.getAttribute("data-background-color");
if (!t || !je(t)) {
let s = window.getComputedStyle(i);
s && s.backgroundColor && (t = s.backgroundColor);
}
if (t) {
const s = je(t);
if (s && s.a !== 0)
return Ai(t) < 128 ? "has-dark-background" : "has-light-background";
}
return null;
}
/**
* Bubble the 'has-light-background'/'has-dark-background' classes.
*/
bubbleSlideContrastClassToElement(e, i) {
["has-light-background", "has-dark-background"].forEach((t) => {
e.classList.contains(t) ? i.classList.add(t) : i.classList.remove(t);
}, this);
}
/**
* Updates the background elements to reflect the current
* slide.
*
* @param {boolean} includeAll If true, the backgrounds of
* all vertical slides (not just the present) will be updated.
*/
update(e = !1) {
let i = this.Reveal.getConfig(), t = this.Reveal.getCurrentSlide(), s = this.Reveal.getIndices(), n = null, r = i.rtl ? "future" : "past", o = i.rtl ? "past" : "future";
if (Array.from(this.element.childNodes).forEach((u, g) => {
u.classList.remove("past", "present", "future"), g < s.h ? u.classList.add(r) : g > s.h ? u.classList.add(o) : (u.classList.add("present"), n = u), (e || g === s.h) && E(u, ".slide-background").forEach((p, m) => {
p.classList.remove("past", "present", "future");
const b = typeof s.v == "number" ? s.v : 0;
m < b ? p.classList.add("past") : m > b ? p.classList.add("future") : (p.classList.add("present"), g === s.h && (n = p));
});
}), this.previousBackground && !this.previousBackground.closest("body") && (this.previousBackground = null), n && this.previousBackground) {
let u = this.previousBackground.getAttribute("data-background-hash"), g = n.getAttribute("data-background-hash");
if (g && g === u && n !== this.previousBackground) {
this.element.classList.add("no-transition");
const p = n.querySelector("video"), m = this.previousBackground.querySelector("video");
if (p && m) {
const b = p.parentNode;
m.parentNode.appendChild(p), b.appendChild(m);
}
}
}
const h = n !== this.previousBackground;
if (h && this.previousBackground && this.Reveal.slideContent.stopEmbeddedContent(this.previousBackground, { unloadIframes: !this.Reveal.slideContent.shouldPreload(this.previousBackground) }), h && n) {
this.Reveal.slideContent.startEmbeddedContent(n);
let u = n.querySelector(".slide-background-content");
if (u) {
let g = u.style.backgroundImage || "";
/\.gif/i.test(g) && (u.style.backgroundImage = "", window.getComputedStyle(u).opacity, u.style.backgroundImage = g);
}
this.previousBackground = n;
}
t && this.bubbleSlideContrastClassToElement(t, this.Reveal.getRevealElement()), setTimeout(() => {
this.element.classList.remove("no-transition");
}, 10);
}
/**
* Updates the position of the parallax background based
* on the current slide index.
*/
updateParallax() {
let e = this.Reveal.getIndices();
if (this.Reveal.getConfig().parallaxBackgroundImage) {
let i = this.Reveal.getHorizontalSlides(), t = this.Reveal.getVerticalSlides(), s = this.element.style.backgroundSize.split(" "), n, r;
s.length === 1 ? n = r = parseInt(s[0], 10) : (n = parseInt(s[0], 10), r = parseInt(s[1], 10));
let o = this.element.offsetWidth, h = i.length, u, g;
typeof this.Reveal.getConfig().parallaxBackgroundHorizontal == "number" ? u = this.Reveal.getConfig().parallaxBackgroundHorizontal : u = h > 1 ? (n - o) / (h - 1) : 0, g = u * e.h * -1;
let p = this.element.offsetHeight, m = t.length, b, l;
typeof this.Reveal.getConfig().parallaxBackgroundVertical == "number" ? b = this.Reveal.getConfig().parallaxBackgroundVertical : b = (r - p) / (m - 1), l = m > 0 ? b * e.v : 0, this.element.style.backgroundPosition = g + "px " + -l + "px";
}
}
destroy() {
this.element.remove();
}
}
let Ct = 0;
class Ci {
constructor(e) {
this.Reveal = e;
}
/**
* Runs an auto-animation between the given slides.
*
* @param {HTMLElement} fromSlide
* @param {HTMLElement} toSlide
*/
run(e, i) {
this.reset();
let t = this.Reveal.getSlides(), s = t.indexOf(i), n = t.indexOf(e);
if (e && i && e.hasAttribute("data-auto-animate") && i.hasAttribute("data-auto-animate") && e.getAttribute("data-auto-animate-id") === i.getAttribute("data-auto-animate-id") && !(s > n ? i : e).hasAttribute("data-auto-animate-restart")) {
this.autoAnimateStyleSheet = this.autoAnimateStyleSheet || Ue();
let r = this.getAutoAnimateOptions(i);
e.dataset.autoAnimate = "pending", i.dataset.autoAnimate = "pending", r.slideDirection = s > n ? "forward" : "backward";
let o = e.style.display === "none";
o && (e.style.display = this.Reveal.getConfig().display);
let h = this.getAutoAnimatableElements(e, i).map((u) => this.autoAnimateElements(u.from, u.to, u.options || {}, r, Ct++));
if (o && (e.style.display = "none"), i.dataset.autoAnimateUnmatched !== "false" && this.Reveal.getConfig().autoAnimateUnmatched === !0) {
let u = r.duration * 0.8, g = r.duration * 0.2;
this.getUnmatchedAutoAnimateElements(i).forEach((p) => {
let m = this.getAutoAnimateOptions(p, r), b = "unmatched";
(m.duration !== r.duration || m.delay !== r.delay) && (b = "unmatched-" + Ct++, h.push(`[data-auto-animate="running"] [data-auto-animate-target="${b}"] { transition: opacity ${m.duration}s ease ${m.delay}s; }`)), p.dataset.autoAnimateTarget = b;
}, this), h.push(`[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${u}s ease ${g}s; }`);
}
this.autoAnimateStyleSheet.innerHTML = h.join(""), requestAnimationFrame(() => {
this.autoAnimateStyleSheet && (getComputedStyle(this.autoAnimateStyleSheet).fontWeight, i.dataset.autoAnimate = "running");
}), this.Reveal.dispatchEvent({
type: "autoanimate",
data: {
fromSlide: e,
toSlide: i,
sheet: this.autoAnimateStyleSheet
}
});
}
}
/**
* Rolls back all changes that we've made to the DOM so
* that as part of animating.
*/
reset() {
E(this.Reveal.getRevealElement(), '[data-auto-animate]:not([data-auto-animate=""])').forEach((e) => {
e.dataset.autoAnimate = "";
}), E(this.Reveal.getRevealElement(), "[data-auto-animate-target]").forEach((e) => {
delete e.dataset.autoAnimateTarget;
}), this.autoAnimateStyleSheet && this.autoAnimateStyleSheet.parentNode && (this.autoAnimateStyleSheet.parentNode.removeChild(this.autoAnimateStyleSheet), this.autoAnimateStyleSheet = null);
}
/**
* Creates a FLIP animation where the `to` element starts out
* in the `from` element position and animates to its original
* state.
*
* @param {HTMLElement} from
* @param {HTMLElement} to
* @param {Object} elementOptions Options for this element pair
* @param {Object} animationOptions Options set at the slide level
* @param {String} id Unique ID that we can use to identify this
* auto-animate element in the DOM
*/
autoAnimateElements(e, i, t, s, n) {
e.dataset.autoAnimateTarget = "", i.dataset.autoAnimateTarget = n;
let r = this.getAutoAnimateOptions(i, s);
typeof t.delay < "u" && (r.delay = t.delay), typeof t.duration < "u" && (r.duration = t.duration), typeof t.easing < "u" && (r.easing = t.easing);
let o = this.getAutoAnimatableProperties("from", e, t), h = this.getAutoAnimatableProperties("to", i, t);
if (i.classList.contains("fragment") && delete h.styles.opacity, t.translate !== !1 || t.scale !== !1) {
let p = this.Reveal.getScale(), m = {
x: (o.x - h.x) / p,
y: (o.y - h.y) / p,
scaleX: o.width / h.width,
scaleY: o.height / h.height
};
m.x = Math.round(m.x * 1e3) / 1e3, m.y = Math.round(m.y * 1e3) / 1e3, m.scaleX = Math.round(m.scaleX * 1e3) / 1e3, m.scaleX = Math.round(m.scaleX * 1e3) / 1e3;
let b = t.translate !== !1 && (m.x !== 0 || m.y !== 0), l = t.scale !== !1 && (m.scaleX !== 0 || m.scaleY !== 0);
if (b || l) {
let R = [];
b && R.push(`translate(${m.x}px, ${m.y}px)`), l && R.push(`scale(${m.scaleX}, ${m.scaleY})`), o.styles.transform = R.join(" "), o.styles["transform-origin"] = "top left", h.styles.transform = "none";
}
}
for (let p in h.styles) {
const m = h.styles[p], b = o.styles[p];
m === b ? delete h.styles[p] : (m.explicitValue === !0 && (h.styles[p] = m.value), b.explicitValue === !0 && (o.styles[p] = b.value));
}
let u = "", g = Object.keys(h.styles);
if (g.length > 0) {
o.styles.transition = "none", h.styles.transition = `all ${r.duration}s ${r.easing} ${r.delay}s`, h.styles["transition-property"] = g.join(", "), h.styles["will-change"] = g.join(", ");
let p = Object.keys(o.styles).map((b) => b + ": " + o.styles[b] + " !important;").join(""), m = Object.keys(h.styles).map((b) => b + ": " + h.styles[b] + " !important;").join("");
u = '[data-auto-animate-target="' + n + '"] {' + p + '}[data-auto-animate="running"] [data-auto-animate-target="' + n + '"] {' + m + "}";
}
return u;
}
/**
* Returns the auto-animate options for the given element.
*
* @param {HTMLElement} element Element to pick up options
* from, either a slide or an animation target
* @param {Object} [inheritedOptions] Optional set of existing
* options
*/
getAutoAnimateOptions(e, i) {
let t = {
easing: this.Reveal.getConfig().autoAnimateEasing,
duration: this.Reveal.getConfig().autoAnimateDuration,
delay: 0
};
if (t = ue(t, i), e.parentNode) {
let s = V(e.parentNode, "[data-auto-animate-target]");
s && (t = this.getAutoAnimateOptions(s, t));
}
return e.dataset.autoAnimateEasing && (t.easing = e.dataset.autoAnimateEasing), e.dataset.autoAnimateDuration && (t.duration = parseFloat(e.dataset.autoAnimateDuration)), e.dataset.autoAnimateDelay && (t.delay = parseFloat(e.dataset.autoAnimateDelay)), t;
}
/**
* Returns an object containing all of the properties
* that can be auto-animated for the given element and
* their current computed values.
*
* @param {String} direction 'from' or 'to'
*/
getAutoAnimatableProperties(e, i, t) {
let s = this.Reveal.getConfig(), n = { styles: [] };
if (t.translate !== !1 || t.scale !== !1) {
let o;
if (typeof t.measure == "function")
o = t.measure(i);
else if (s.center)
o = i.getBoundingClientRect();
else {
let h = this.Reveal.getScale();
o = {
x: i.offsetLeft * h,
y: i.offsetTop * h,
width: i.offsetWidth * h,
height: i.offsetHeight * h
};
}
n.x = o.x, n.y = o.y, n.width = o.width, n.height = o.height;
}
const r = getComputedStyle(i);
return (t.styles || s.autoAnimateStyles).forEach((o) => {
let h;
typeof o == "string" && (o = { property: o }), typeof o.from < "u" && e === "from" ? h = { value: o.from, explicitValue: !0 } : typeof o.to < "u" && e === "to" ? h = { value: o.to, explicitValue: !0 } : (o.property === "line-height" && (h = parseFloat(r["line-height"]) / parseFloat(r["font-size"])), isNaN(h) && (h = r[o.property])), h !== "" && (n.styles[o.property] = h);
}), n;
}
/**
* Get a list of all element pairs that we can animate
* between the given slides.
*
* @param {HTMLElement} fromSlide
* @param {HTMLElement} toSlide
*
* @return {Array} Each value is an array where [0] is
* the element we're animating from and [1] is the
* element we're animating to
*/
getAutoAnimatableElements(e, i) {
let s = (typeof this.Reveal.getConfig().autoAnimateMatcher == "function" ? this.Reveal.getConfig().autoAnimateMatcher : this.getAutoAnimatePairs).call(this, e, i), n = [];
return s.filter((r, o) => {
if (n.indexOf(r.to) === -1)
return n.push(r.to), !0;
});
}
/**
* Identifies matching elements between slides.
*
* You can specify a custom matcher function by using
* the `autoAnimateMatcher` config option.
*/
getAutoAnimatePairs(e, i) {
let t = [];
const s = "pre", n = "h1, h2, h3, h4, h5, h6, p, li", r = "img, video, iframe";
return this.findAutoAnimateMatches(t, e, i, "[data-id]", (o) => o.nodeName + ":::" + o.getAttribute("data-id")), this.findAutoAnimateMatches(t, e, i, n, (o) => o.nodeName + ":::" + o.textContent.trim()), this.findAutoAnimateMatches(t, e, i, r, (o) => o.nodeName + ":::" + (o.getAttribute("src") || o.getAttribute("data-src"))), this.findAutoAnimateMatches(t, e, i, s, (o) => o.nodeName + ":::" + o.textContent.trim()), t.forEach((o) => {
Pe(o.from, n) ? o.options = { scale: !1 } : Pe(o.from, s) && (o.options = { scale: !1, styles: ["width", "height"] }, this.findAutoAnimateMatches(t, o.from, o.to, ".hljs .hljs-ln-code", (h) => h.textContent, {
scale: !1,
styles: [],
measure: this.getLocalBoundingBox.bind(this)
}), this.findAutoAnimateMatches(t, o.from, o.to, ".hljs .hljs-ln-numbers[data-line-number]", (h) => h.getAttribute("data-line-number"), {
scale: !1,
styles: ["width"],
measure: this.getLocalBoundingBox.bind(this)
}));
}, this), t;
}
/**
* Helper method which returns a bounding box based on
* the given elements offset coordinates.
*
* @param {HTMLElement} element
* @return {Object} x, y, width, height
*/
getLocalBoundingBox(e) {
const i = this.Reveal.getScale();
return {
x: Math.round(e.offsetLeft * i * 100) / 100,
y: Math.round(e.offsetTop * i * 100) / 100,
width: Math.round(e.offsetWidth * i * 100) / 100,
height: Math.round(e.offsetHeight * i * 100) / 100
};
}
/**
* Finds matching elements between two slides.
*
* @param {Array} pairs List of pairs to push matches to
* @param {HTMLElement} fromScope Scope within the from element exists
* @param {HTMLElement} toScope Scope within the to element exists
* @param {String} selector CSS selector of the element to match
* @param {Function} serializer A function that accepts an element and returns
* a stringified ID based on its contents
* @param {Object} animationOptions Optional config options for this pair
*/
findAutoAnimateMatches(e, i, t, s, n, r) {
let o = {}, h = {};
[].slice.call(i.querySelectorAll(s)).forEach((u, g) => {
const p = n(u);
typeof p == "string" && p.length && (o[p] = o[p] || [], o[p].push(u));
}), [].slice.call(t.querySelectorAll(s)).forEach((u, g) => {
const p = n(u);
h[p] = h[p] || [], h[p].push(u);
let m;
if (o[p]) {
const b = h[p].length - 1, l = o[p].length - 1;
o[p][b] ? (m = o[p][b], o[p][b] = null) : o[p][l] && (m = o[p][l], o[p][l] = null);
}
m && e.push({
from: m,
to: u,
options: r
});
});
}
/**
* Returns a all elements within the given scope that should
* be considered unmatched in an auto-animate transition. If
* fading of unmatched elements is turned on, these elements
* will fade when going between auto-animate slides.
*
* Note that parents of auto-animate targets are NOT considered
* unmatched since fading them would break the auto-animation.
*
* @param {HTMLElement} rootElement
* @return {Array}
*/
getUnmatchedAutoAnimateElements(e) {
return [].slice.call(e.children).reduce((i, t) => {
const s = t.querySelector("[data-auto-animate-target]");
return !t.hasAttribute("data-auto-animate-target") && !s && i.push(t), t.querySelector("[data-auto-animate-target]") && (i = i.concat(this.getUnmatchedAutoAnimateElements(t))), i;
}, []);
}
}
const Li = 500, Pi = 4, xi = 6, Ti = 8;
class Ii {
constructor(e) {
this.Reveal = e, this.active = !1, this.activatedCallbacks = [], this.onScroll = this.onScroll.bind(this);
}
/**
* Activates the scroll view. This rearranges the presentation DOM
* by—among other things—wrapping each slide in a page element.
*/
activate() {
if (this.active) return;
const e = this.Reveal.getState();
this.active = !0, this.slideHTMLBeforeActivation = this.Reveal.getSlidesElement().innerHTML;
const i = E(this.Reveal.getRevealElement(), ie), t = E(this.Reveal.getRevealElement(), yi);
this.viewportElement.classList.add("loading-scroll-mode", "reveal-scroll");
let s;
const n = window.getComputedStyle(this.viewportElement);
n && n.background && (s = n.background);
const r = [], o = i[0].parentNode;
let h;
const u = (g, p, m, b) => {
let l;
if (h && this.Reveal.shouldAutoAnimateBetween(h, g))
l = document.createElement("div"), l.className = "scroll-page-content scroll-auto-animate-page", l.style.display = "none", h.closest(".scroll-page-content").parentNode.appendChild(l);
else {
const R = document.createElement("div");
if (R.className = "scroll-page", r.push(R), b && t.length > p) {
const O = t[p], q = window.getComputedStyle(O);
q && q.background ? R.style.background = q.background : s && (R.style.background = s);
} else s && (R.style.background = s);
const M = document.createElement("div");
M.className = "scroll-page-sticky", R.appendChild(M), l = document.createElement("div"), l.className = "scroll-page-content", M.appendChild(l);
}
l.appendChild(g), g.classList.remove("past", "future"), g.setAttribute("data-index-h", p), g.setAttribute("data-index-v", m), g.slideBackgroundElement && (g.slideBackgroundElement.remove("past", "future"), l.insertBefore(g.slideBackgroundElement, g)), h = g;
};
i.forEach((g, p) => {
this.Reveal.isVerticalStack(g) ? g.querySelectorAll("section").forEach((m, b) => {
u(m, p, b, !0);
}) : u(g, p, 0);
}, this), this.createProgressBar(), E(this.Reveal.getRevealElement(), ".stack").forEach((g) => g.remove()), r.forEach((g) => o.appendChild(g)), this.Reveal.slideContent.layout(this.Reveal.getSlidesElement()), this.Reveal.layout(), this.Reveal.setState(e), this.activatedCallbacks.forEach((g) => g()), this.activatedCallbacks = [], this.restoreScrollPosition(), this.viewportElement.classList.remove("loading-scroll-mode"), this.viewportElement.addEventListener("scroll", this.onScroll, { passive: !0 });
}
/**
* Deactivates the scroll view and restores the standard slide-based
* presentation.
*/
deactivate() {
if (!this.active) return;
const e = this.Reveal.getState();
this.active = !1, this.viewportElement.removeEventListener("scroll", this.onScroll), this.viewportElement.classList.remove("reveal-scroll"), this.removeProgressBar(), this.Reveal.getSlidesElement().innerHTML = this.slideHTMLBeforeActivation, this.Reveal.sync(), this.Reveal.setState(e), this.slideHTMLBeforeActivation = null;
}
toggle(e) {
typeof e == "boolean" ? e ? this.activate() : this.deactivate() : this.isActive() ? this.deactivate() : this.activate();
}
/**
* Checks if the scroll view is currently active.
*/
isActive() {
return this.active;
}
/**
* Renders the progress bar component.
*/
createProgressBar() {
this.progressBar = document.createElement("div"), this.progressBar.className = "scrollbar", this.progressBarInner = document.createElement("div"), this.progressBarInner.className = "scrollbar-inner", this.progressBar.appendChild(this.progressBarInner), this.progressBarPlayhead = document.createElement("div"), this.progressBarPlayhead.className = "scrollbar-playhead", this.progressBarInner.appendChild(this.progressBarPlayhead), this.viewportElement.insertBefore(this.progressBar, this.viewportElement.firstChild);
const e = (s) => {
let n = (s.clientY - this.progressBarInner.getBoundingClientRect().top) / this.progressBarHeight;
n = Math.max(Math.min(n, 1), 0), this.viewportElement.scrollTop = n * (this.viewportElement.scrollHeight - this.viewportElement.offsetHeight);
}, i = (s) => {
this.draggingProgressBar = !1, this.showProgressBar(), document.removeEventListener("mousemove", e), document.removeEventListener("mouseup", i);
}, t = (s) => {
s.preventDefault(), this.draggingProgressBar = !0, document.addEventListener("mousemove", e), document.addEventListener("mouseup", i), e(s);
};
this.progressBarInner.addEventListener("mousedown", t);
}
removeProgressBar() {
this.progressBar && (this.progressBar.remove(), this.progressBar = null);
}
layout() {
this.isActive() && (this.syncPages(), this.syncScrollPosition());
}
/**
* Updates our pages to match the latest configuration and
* presentation size.
*/
syncPages() {
const e = this.Reveal.getConfig(), i = this.Reveal.getComputedSlideSize(window.innerWidth, window.innerHeight), t = this.Reveal.getScale(), s = e.scrollLayout === "compact", n = this.viewportElement.offsetHeight, r = i.height * t, o = s ? r : n;
this.scrollTriggerHeight = s ? r : n, this.viewportElement.style.setProperty("--page-height", o + "px"), this.viewportElement.style.scrollSnapType = typeof e.scrollSnap == "string" ? `y ${e.scrollSnap}` : "", this.slideTriggers = [];
const h = Array.from(this.Reveal.getRevealElement().querySelectorAll(".scroll-page"));
this.pages = h.map((u) => {
const g = this.createPage({
pageElement: u,
slideElement: u.querySelector("section"),
stickyElement: u.querySelector(".scroll-page-sticky"),
contentElement: u.querySelector(".scroll-page-content"),
backgroundElement: u.querySelector(".slide-background"),
autoAnimateElements: u.querySelectorAll(".scroll-auto-animate-page"),
autoAnimatePages: []
});
g.pageElement.style.setProperty("--slide-height", e.center === !0 ? "auto" : i.height + "px"), this.slideTriggers.push({
page: g,
activate: () => this.activatePage(g),
deactivate: () => this.deactivatePage(g)
}), this.createFragmentTriggersForPage(g), g.autoAnimateElements.length > 0 && this.createAutoAnimateTriggersForPage(g);
let p = Math.max(g.scrollTriggers.length - 1, 0);
p += g.autoAnimatePages.reduce((m, b) => m + Math.max(b.scrollTriggers.length - 1, 0), g.autoAnimatePages.length), g.pageElement.querySelectorAll(".scroll-snap-point").forEach((m) => m.remove());
for (let m = 0; m < p + 1; m++) {
const b = document.createElement("div");
b.className = "scroll-snap-point", b.style.height = this.scrollTriggerHeight + "px", b.style.scrollSnapAlign = s ? "center" : "start", g.pageElement.appendChild(b), m === 0 && (b.style.marginTop = -this.scrollTriggerHeight + "px");
}
return s && g.scrollTriggers.length > 0 ? (g.pageHeight = n, g.pageElement.style.setProperty("--page-height", n + "px")) : (g.pageHeight = o, g.pageElement.style.removeProperty("--page-height")), g.scrollPadding = this.scrollTriggerHeight * p, g.totalHeight = g.pageHeight + g.scrollPadding, g.pageElement.style.setProperty("--page-scroll-padding", g.scrollPadding + "px"), p > 0 ? (g.stickyElement.style.position = "sticky", g.stickyElement.style.top = Math.max((n - g.pageHeight) / 2, 0) + "px") : (g.stickyElement.style.position = "relative", g.pageElement.style.scrollSnapAlign = g.pageHeight < n ? "center" : "start"), g;
}), this.setTriggerRanges(), this.viewportElement.setAttribute("data-scrollbar", e.scrollProgress), e.scrollProgress && this.totalScrollTriggerCount > 1 ? (this.progressBar || this.createProgressBar(), this.syncProgressBar()) : this.removeProgressBar();
}
/**
* Calculates and sets the scroll range for all of our scroll
* triggers.
*/
setTriggerRanges() {
this.totalScrollTriggerCount = this.slideTriggers.reduce((i, t) => i + Math.max(t.page.scrollTriggers.length, 1), 0);
let e = 0;
this.slideTriggers.forEach((i, t) => {
i.range = [
e,
e + Math.max(i.page.scrollTriggers.length, 1) / this.totalScrollTriggerCount
];
const s = (i.range[1] - i.range[0]) / i.page.scrollTriggers.length;
i.page.scrollTriggers.forEach((n, r) => {
n.range = [
e + r * s,
e + (r + 1) * s
];
}), e = i.range[1];
}), this.slideTriggers[this.slideTriggers.length - 1].range[1] = 1;
}
/**
* Creates one scroll trigger for each fragments in the given page.
*
* @param {*} page
*/
createFragmentTriggersForPage(e, i) {
i = i || e.slideElement;
const t = this.Reveal.fragments.sort(i.querySelectorAll(".fragment"), !0);
return t.length && (e.fragments = this.Reveal.fragments.sort(i.querySelectorAll(".fragment:not(.disabled)")), e.scrollTriggers.push(
// Trigger for the initial state with no fragments visible
{
activate: () => {
this.Reveal.fragments.update(-1, e.fragments, i);
}
}
), t.forEach((s, n) => {
e.scrollTriggers.push({
activate: () => {
this.Reveal.fragments.update(n, e.fragments, i);
}
});
})), e.scrollTriggers.length;
}
/**
* Creates scroll triggers for the auto-animate steps in the
* given page.
*
* @param {*} page
*/
createAutoAnimateTriggersForPage(e) {
e.autoAnimateElements.length > 0 && this.slideTriggers.push(...Array.from(e.autoAnimateElements).map((i, t) => {
let s = this.createPage({
slideElement: i.querySelector("section"),
contentElement: i,
backgroundElement: i.querySelector(".slide-background")
});
return this.createFragmentTriggersForPage(s, s.slideElement), e.autoAnimatePages.push(s), {
page: s,
activate: () => this.activatePage(s),
deactivate: () => this.deactivatePage(s)
};
}));
}
/**
* Helper method for creating a page definition and adding
* required fields. A "page" is a slide or auto-animate step.
*/
createPage(e) {
return e.scrollTriggers = [], e.indexh = parseInt(e.slideElement.getAttribute("data-index-h"), 10), e.indexv = parseInt(e.slideElement.getAttribute("data-index-v"), 10), e;
}
/**
* Rerenders progress bar segments so that they match the current
* reveal.js config and size.
*/
syncProgressBar() {
this.progressBarInner.querySelectorAll(".scrollbar-slide").forEach((r) => r.remove());
const e = this.viewportElement.scrollHeight, i = this.viewportElement.offsetHeight, t = i / e;
this.progressBarHeight = this.progressBarInner.offsetHeight, this.playheadHeight = Math.max(t * this.progressBarHeight, Ti), this.progressBarScrollableHeight = this.progressBarHeight - this.playheadHeight;
const s = i / e * this.progressBarHeight, n = Math.min(s / 8, Pi);
this.progressBarPlayhead.style.height = this.playheadHeight - n + "px", s > xi ? this.slideTriggers.forEach((r) => {
const { page: o } = r;
o.progressBarSlide = document.createElement("div"), o.progressBarSlide.className = "scrollbar-slide", o.progressBarSlide.style.top = r.range[0] * this.progressBarHeight + "px", o.progressBarSlide.style.height = (r.range[1] - r.range[0]) * this.progressBarHeight - n + "px", o.progressBarSlide.classList.toggle("has-triggers", o.scrollTriggers.length > 0), this.progressBarInner.appendChild(o.progressBarSlide), o.scrollTriggerElements = o.scrollTriggers.map((h, u) => {
const g = document.createElement("div");
return g.className = "scrollbar-trigger", g.style.top = (h.range[0] - r.range[0]) * this.progressBarHeight + "px", g.style.height = (h.range[1] - h.range[0]) * this.progressBarHeight - n + "px", o.progressBarSlide.appendChild(g), u === 0 && (g.style.display = "none"), g;
});
}) : this.pages.forEach((r) => r.progressBarSlide = null);
}
/**
* Reads the current scroll position and updates our active
* trigger states accordingly.
*/
syncScrollPosition() {
const e = this.viewportElement.offsetHeight, i = e / this.viewportElement.scrollHeight, t = this.viewportElement.scrollTop, s = this.viewportElement.scrollHeight - e, n = Math.max(Math.min(t / s, 1), 0), r = Math.max(Math.min((t + e / 2) / this.viewportElement.scrollHeight, 1), 0);
let o;
this.slideTriggers.forEach((h) => {
const { page: u } = h;
n >= h.range[0] - i * 2 && n <= h.range[1] + i * 2 && !u.loaded ? (u.loaded = !0, this.Reveal.slideContent.load(u.slideElement)) : u.loaded && (u.loaded = !1, this.Reveal.slideContent.unload(u.slideElement)), n >= h.range[0] && n <= h.range[1] ? (this.activateTrigger(h), o = h.page) : h.active && this.deactivateTrigger(h);
}), o && o.scrollTriggers.forEach((h) => {
r >= h.range[0] && r <= h.range[1] ? this.activateTrigger(h) : h.active && this.deactivateTrigger(h);
}), this.setProgressBarValue(t / (this.viewportElement.scrollHeight - e));
}
/**
* Moves the progress bar playhead to the specified position.
*
* @param {number} progress 0-1
*/
setProgressBarValue(e) {
this.progressBar && (this.progressBarPlayhead.style.transform = `translateY(${e * this.progressBarScrollableHeight}px)`, this.getAllPages().filter((i) => i.progressBarSlide).forEach((i) => {
i.progressBarSlide.classList.toggle("active", i.active === !0), i.scrollTriggers.forEach((t, s) => {
i.scrollTriggerElements[s].classList.toggle("active", i.active === !0 && t.active === !0);
});
}), this.showProgressBar());
}
/**
* Show the progress bar and, if configured, automatically hide
* it after a delay.
*/
showProgressBar() {
this.progressBar.classList.add("visible"), clearTimeout(this.hideProgressBarTimeout), this.Reveal.getConfig().scrollProgress === "auto" && !this.draggingProgressBar && (this.hideProgressBarTimeout = setTimeout(() => {
this.progressBar && this.progressBar.classList.remove("visible");
}, Li));
}
/**
* Scroll to the previous page.
*/
prev() {
this.viewportElement.scrollTop -= this.scrollTriggerHeight;
}
/**
* Scroll to the next page.
*/
next() {
this.viewportElement.scrollTop += this.scrollTriggerHeight;
}
/**
* Scrolls the given slide element into view.
*
* @param {HTMLElement} slideElement
*/
scrollToSlide(e) {
if (!this.active)
this.activatedCallbacks.push(() => this.scrollToSlide(e));
else {
const i = this.getScrollTriggerBySlide(e);
i && (this.viewportElement.scrollTop = i.range[0] * (this.viewportElement.scrollHeight - this.viewportElement.offsetHeight));
}
}
/**
* Persists the current scroll position to session storage
* so that it can be restored.
*/
storeScrollPosition() {
clearTimeout(this.storeScrollPositionTimeout), this.storeScrollPositionTimeout = setTimeout(() => {
sessionStorage.setItem("reveal-scroll-top", this.viewportElement.scrollTop), sessionStorage.setItem("reveal-scroll-origin", location.origin + location.pathname), this.storeScrollPositionTimeout = null;
}, 50);
}
/**
* Restores the scroll position when a deck is reloader.
*/
restoreScrollPosition() {
const e = sessionStorage.getItem("reveal-scroll-top"), i = sessionStorage.getItem("reveal-scroll-origin");
e && i === location.origin + location.pathname && (this.viewportElement.scrollTop = parseInt(e, 10));
}
/**
* Activates the given page and starts its embedded content
* if there is any.
*
* @param {object} page
*/
activatePage(e) {
if (!e.active) {
e.active = !0;
const { slideElement: i, backgroundElement: t, contentElement: s, indexh: n, indexv: r } = e;
s.style.display = "block", i.classList.add("present"), t && t.classList.add("present"), this.Reveal.setCurrentScrollPage(i, n, r), this.Reveal.backgrounds.bubbleSlideContrastClassToElement(i, this.viewportElement), Array.from(s.parentNode.querySelectorAll(".scroll-page-content")).forEach((o) => {
o !== s && (o.style.display = "none");
});
}
}
/**
* Deactivates the page after it has been visible.
*
* @param {object} page
*/
deactivatePage(e) {
e.active && (e.active = !1, e.slideElement && e.slideElement.classList.remove("present"), e.backgroundElement && e.backgroundElement.classList.remove("present"));
}
activateTrigger(e) {
e.active || (e.active = !0, e.activate());
}
deactivateTrigger(e) {
e.active && (e.active = !1, e.deactivate && e.deactivate());
}
/**
* Retrieve a slide by its original h/v index (i.e. the indices the
* slide had before being linearized).
*
* @param {number} h
* @param {number} v
* @returns {HTMLElement}
*/
getSlideByIndices(e, i) {
const t = this.getAllPages().find((s) => s.indexh === e && s.indexv === i);
return t ? t.slideElement : null;
}
/**
* Retrieve a list of all scroll triggers for the given slide
* DOM element.
*
* @param {HTMLElement} slide
* @returns {Array}
*/
getScrollTriggerBySlide(e) {
return this.slideTriggers.find((i) => i.page.slideElement === e);
}
/**
* Get a list of all pages in the scroll view. This includes
* both top-level slides and auto-animate steps.
*
* @returns {Array}
*/
getAllPages() {
return this.pages.flatMap((e) => [e, ...e.autoAnimatePages || []]);
}
onScroll() {
this.syncScrollPosition(), this.storeScrollPosition();
}
get viewportElement() {
return this.Reveal.getViewportElement();
}
}
class Mi {
constructor(e) {
this.Reveal = e;
}
/**
* Configures the presentation for printing to a static
* PDF.
*/
async activate() {
const e = this.Reveal.getConfig(), i = E(this.Reveal.getRevealElement(), oe), t = e.slideNumber && /all|print/i.test(e.showSlideNumber), s = this.Reveal.getComputedSlideSize(window.innerWidth, window.innerHeight), n = Math.floor(s.width * (1 + e.margin)), r = Math.floor(s.height * (1 + e.margin)), o = s.width, h = s.height;
await new Promise(requestAnimationFrame), Ue("@page{size:" + n + "px " + r + "px; margin: 0px;}"), Ue(".reveal section>img, .reveal section>video, .reveal section>iframe{max-width: " + o + "px; max-height:" + h + "px}"), document.documentElement.classList.add("reveal-print", "print-pdf"), document.body.style.width = n + "px", document.body.style.height = r + "px";
const u = this.Reveal.getViewportElement();
let g;
if (u) {
const R = window.getComputedStyle(u);
R && R.background && (g = R.background);
}
await new Promise(requestAnimationFrame), this.Reveal.layoutSlideContents(o, h), await new Promise(requestAnimationFrame);
const p = i.map((R) => R.scrollHeight), m = [], b = i[0].parentNode;
let l = 1;
i.forEach(function(R, M) {
if (R.classList.contains("stack") === !1) {
let O = (n - o) / 2, q = (r - h) / 2;
const ae = p[M];
let z = Math.max(Math.ceil(ae / r), 1);
z = Math.min(z, e.pdfMaxPagesPerSlide), (z === 1 && e.center || R.classList.contains("center")) && (q = Math.max((r - ae) / 2, 0));
const k = document.createElement("div");
if (m.push(k), k.className = "pdf-page", k.style.height = (r + e.pdfPageHeightOffset) * z + "px", g && (k.style.background = g), k.appendChild(R), R.style.left = O + "px", R.style.top = q + "px", R.style.width = o + "px", this.Reveal.slideContent.layout(R), R.slideBackgroundElement && k.insertBefore(R.slideBackgroundElement, R), e.showNotes) {
const B = this.Reveal.getSlideNotes(R);
if (B) {
const W = typeof e.showNotes == "string" ? e.showNotes : "inline", L = document.createElement("div");
L.classList.add("speaker-notes"), L.classList.add("speaker-notes-pdf"), L.setAttribute("data-layout", W), L.innerHTML = B, W === "separate-page" ? m.push(L) : (L.style.left = "8px", L.style.bottom = "8px", L.style.width = n - 8 * 2 + "px", k.appendChild(L));
}
}
if (t) {
const B = document.createElement("div");
B.classList.add("slide-number"), B.classList.add("slide-number-pdf"), B.innerHTML = l++, k.appendChild(B);
}
if (e.pdfSeparateFragments) {
const B = this.Reveal.fragments.sort(k.querySelectorAll(".fragment"), !0);
let U;
B.forEach(function(W, L) {
U && U.forEach(function(F) {
F.classList.remove("current-fragment");
}), W.forEach(function(F) {
F.classList.add("visible", "current-fragment");
}, this);
const A = k.cloneNode(!0);
if (t) {
const F = A.querySelector(".slide-number-pdf"), C = L + 1;
F.innerHTML += "." + C;
}
m.push(A), U = W;
}, this), B.forEach(function(W) {
W.forEach(function(L) {
L.classList.remove("visible", "current-fragment");
});
});
} else
E(k, ".fragment:not(.fade-out)").forEach(function(B) {
B.classList.add("visible");
});
}
}, this), await new Promise(requestAnimationFrame), m.forEach((R) => b.appendChild(R)), this.Reveal.slideContent.layout(this.Reveal.getSlidesElement()), this.Reveal.dispatchEvent({ type: "pdf-ready" }), u.classList.remove("loading-scroll-mode");
}
/**
* Checks if the print mode is/should be activated.
*/
isActive() {
return this.Reveal.getConfig().view === "print";
}
}
class Ni {
constructor(e) {
this.Reveal = e;
}
/**
* Called when the reveal.js config is updated.
*/
configure(e, i) {
e.fragments === !1 ? this.disable() : i.fragments === !1 && this.enable();
}
/**
* If fragments are disabled in the deck, they should all be
* visible rather than stepped through.
*/
disable() {
E(this.Reveal.getSlidesElement(), ".fragment").forEach((e) => {
e.classList.add("visible"), e.classList.remove("current-fragment");
});
}
/**
* Reverse of #disable(). Only called if fragments have
* previously been disabled.
*/
enable() {
E(this.Reveal.getSlidesElement(), ".fragment").forEach((e) => {
e.classList.remove("visible"), e.classList.remove("current-fragment");
});
}
/**
* Returns an object describing the available fragment
* directions.
*
* @return {{prev: boolean, next: boolean}}
*/
availableRoutes() {
let e = this.Reveal.getCurrentSlide();
if (e && this.Reveal.getConfig().fragments) {
let i = e.querySelectorAll(".fragment:not(.disabled)"), t = e.querySelectorAll(".fragment:not(.disabled):not(.visible)");
return {
prev: i.length - t.length > 0,
next: !!t.length
};
} else
return { prev: !1, next: !1 };
}
/**
* Return a sorted fragments list, ordered by an increasing
* "data-fragment-index" attribute.
*
* Fragments will be revealed in the order that they are returned by
* this function, so you can use the index attributes to control the
* order of fragment appearance.
*
* To maintain a sensible default fragment order, fragments are presumed
* to be passed in document order. This function adds a "fragment-index"
* attribute to each node if such an attribute is not already present,
* and sets that attribute to an integer value which is the position of
* the fragment within the fragments list.
*
* @param {object[]|*} fragments
* @param {boolean} grouped If true the returned array will contain
* nested arrays for all fragments with the same index
* @return {object[]} sorted Sorted array of fragments
*/
sort(e, i = !1) {
e = Array.from(e);
let t = [], s = [], n = [];
e.forEach((o) => {
if (o.hasAttribute("data-fragment-index")) {
let h = parseInt(o.getAttribute("data-fragment-index"), 10);
t[h] || (t[h] = []), t[h].push(o);
} else
s.push([o]);
}), t = t.concat(s);
let r = 0;
return t.forEach((o) => {
o.forEach((h) => {
n.push(h), h.setAttribute("data-fragment-index", r);
}), r++;
}), i === !0 ? t : n;
}
/**
* Sorts and formats all of fragments in the
* presentation.
*/
sortAll() {
this.Reveal.getHorizontalSlides().forEach((e) => {
let i = E(e, "section");
i.forEach((t, s) => {
this.sort(t.querySelectorAll(".fragment"));
}, this), i.length === 0 && this.sort(e.querySelectorAll(".fragment"));
});
}
/**
* Refreshes the fragments on the current slide so that they
* have the appropriate classes (.visible + .current-fragment).
*
* @param {number} [index] The index of the current fragment
* @param {array} [fragments] Array containing all fragments
* in the current slide
*
* @return {{shown: array, hidden: array}}
*/
update(e, i, t = this.Reveal.getCurrentSlide()) {
let s = {
shown: [],
hidden: []
};
if (t && this.Reveal.getConfig().fragments && (i = i || this.sort(t.querySelectorAll(".fragment")), i.length)) {
let n = 0;
if (typeof e != "number") {
let r = this.sort(t.querySelectorAll(".fragment.visible")).pop();
r && (e = parseInt(r.getAttribute("data-fragment-index") || 0, 10));
}
Array.from(i).forEach((r, o) => {
if (r.hasAttribute("data-fragment-index") && (o = parseInt(r.getAttribute("data-fragment-index"), 10)), n = Math.max(n, o), o <= e) {
let h = r.classList.contains("visible");
r.classList.add("visible"), r.classList.remove("current-fragment"), o === e && (this.Reveal.announceStatus(this.Reveal.getStatusText(r)), r.classList.add("current-fragment"), this.Reveal.slideContent.startEmbeddedContent(r)), h || (s.shown.push(r), this.Reveal.dispatchEvent({
target: r,
type: "visible",
bubbles: !1
}));
} else {
let h = r.classList.contains("visible");
r.classList.remove("visible"), r.classList.remove("current-fragment"), h && (this.Reveal.slideContent.stopEmbeddedContent(r), s.hidden.push(r), this.Reveal.dispatchEvent({
target: r,
type: "hidden",
bubbles: !1
}));
}
}), e = typeof e == "number" ? e : -1, e = Math.max(Math.min(e, n), -1), t.setAttribute("data-fragment", e);
}
return s.hidden.length && this.Reveal.dispatchEvent({
type: "fragmenthidden",
data: {
fragment: s.hidden[0],
fragments: s.hidden
}
}), s.shown.length && this.Reveal.dispatchEvent({
type: "fragmentshown",
data: {
fragment: s.shown[0],
fragments: s.shown
}
}), s;
}
/**
* Formats the fragments on the given slide so that they have
* valid indices. Call this if fragments are changed in the DOM
* after reveal.js has already initialized.
*
* @param {HTMLElement} slide
* @return {Array} a list of the HTML fragments that were synced
*/
sync(e = this.Reveal.getCurrentSlide()) {
return this.sort(e.querySelectorAll(".fragment"));
}
/**
* Navigate to the specified slide fragment.
*
* @param {?number} index The index of the fragment that
* should be shown, -1 means all are invisible
* @param {number} offset Integer offset to apply to the
* fragment index
*
* @return {boolean} true if a change was made in any
* fragments visibility as part of this call
*/
goto(e, i = 0) {
let t = this.Reveal.getCurrentSlide();
if (t && this.Reveal.getConfig().fragments) {
let s = this.sort(t.querySelectorAll(".fragment:not(.disabled)"));
if (s.length) {
if (typeof e != "number") {
let r = this.sort(t.querySelectorAll(".fragment:not(.disabled).visible")).pop();
r ? e = parseInt(r.getAttribute("data-fragment-index") || 0, 10) : e = -1;
}
e += i;
let n = this.update(e, s);
return this.Reveal.controls.update(), this.Reveal.progress.update(), this.Reveal.getConfig().fragmentInURL && this.Reveal.location.writeURL(), !!(n.shown.length || n.hidden.length);
}
}
return !1;
}
/**
* Navigate to the next slide fragment.
*
* @return {boolean} true if there was a next fragment,
* false otherwise
*/
next() {
return this.goto(null, 1);
}
/**
* Navigate to the previous slide fragment.
*
* @return {boolean} true if there was a previous fragment,
* false otherwise
*/
prev() {
return this.goto(null, -1);
}
}
class Bi {
constructor(e) {
this.Reveal = e, this.active = !1, this.onSlideClicked = this.onSlideClicked.bind(this);
}
/**
* Displays the overview of slides (quick nav) by scaling
* down and arranging all slide elements.
*/
activate() {
if (this.Reveal.getConfig().overview && !this.Reveal.isScrollView() && !this.isActive()) {
this.active = !0, this.Reveal.getRevealElement().classList.add("overview"), this.Reveal.cancelAutoSlide(), this.Reveal.getSlidesElement().appendChild(this.Reveal.getBackgroundsElement()), E(this.Reveal.getRevealElement(), oe).forEach((s) => {
s.classList.contains("stack") || s.addEventListener("click", this.onSlideClicked, !0);
});
const e = 70, i = this.Reveal.getComputedSlideSize();
this.overviewSlideWidth = i.width + e, this.overviewSlideHeight = i.height + e, this.Reveal.getConfig().rtl && (this.overviewSlideWidth = -this.overviewSlideWidth), this.Reveal.updateSlidesVisibility(), this.layout(), this.update(), this.Reveal.layout();
const t = this.Reveal.getIndices();
this.Reveal.dispatchEvent({
type: "overviewshown",
data: {
indexh: t.h,
indexv: t.v,
currentSlide: this.Reveal.getCurrentSlide()
}
});
}
}
/**
* Uses CSS transforms to position all slides in a grid for
* display inside of the overview mode.
*/
layout() {
this.Reveal.getHorizontalSlides().forEach((e, i) => {
e.setAttribute("data-index-h", i), se(e, "translate3d(" + i * this.overviewSlideWidth + "px, 0, 0)"), e.classList.contains("stack") && E(e, "section").forEach((t, s) => {
t.setAttribute("data-index-h", i), t.setAttribute("data-index-v", s), se(t, "translate3d(0, " + s * this.overviewSlideHeight + "px, 0)");
});
}), Array.from(this.Reveal.getBackgroundsElement().childNodes).forEach((e, i) => {
se(e, "translate3d(" + i * this.overviewSlideWidth + "px, 0, 0)"), E(e, ".slide-background").forEach((t, s) => {
se(t, "translate3d(0, " + s * this.overviewSlideHeight + "px, 0)");
});
});
}
/**
* Moves the overview viewport to the current slides.
* Called each time the current slide changes.
*/
update() {
const e = Math.min(window.innerWidth, window.innerHeight), i = Math.max(e / 5, 150) / e, t = this.Reveal.getIndices();
this.Reveal.transformSlides({
overview: [
"scale(" + i + ")",
"translateX(" + -t.h * this.overviewSlideWidth + "px)",
"translateY(" + -t.v * this.overviewSlideHeight + "px)"
].join(" ")
});
}
/**
* Exits the slide overview and enters the currently
* active slide.
*/
deactivate() {
if (this.Reveal.getConfig().overview) {
this.active = !1, this.Reveal.getRevealElement().classList.remove("overview"), this.Reveal.getRevealElement().classList.add("overview-deactivating"), setTimeout(() => {
this.Reveal.getRevealElement().classList.remove("overview-deactivating");
}, 1), this.Reveal.getRevealElement().appendChild(this.Reveal.getBackgroundsElement()), E(this.Reveal.getRevealElement(), oe).forEach((i) => {
se(i, ""), i.removeEventListener("click", this.onSlideClicked, !0);
}), E(this.Reveal.getBackgroundsElement(), ".slide-background").forEach((i) => {
se(i, "");
}), this.Reveal.transformSlides({ overview: "" });
const e = this.Reveal.getIndices();
this.Reveal.slide(e.h, e.v), this.Reveal.layout(), this.Reveal.cueAutoSlide(), this.Reveal.dispatchEvent({
type: "overviewhidden",
data: {
indexh: e.h,
indexv: e.v,
currentSlide: this.Reveal.getCurrentSlide()
}
});
}
}
/**
* Toggles the slide overview mode on and off.
*
* @param {Boolean} [override] Flag which overrides the
* toggle logic and forcibly sets the desired state. True means
* overview is open, false means it's closed.
*/
toggle(e) {
typeof e == "boolean" ? e ? this.activate() : this.deactivate() : this.isActive() ? this.deactivate() : this.activate();
}
/**
* Checks if the overview is currently active.
*
* @return {Boolean} true if the overview is active,
* false otherwise
*/
isActive() {
return this.active;
}
/**
* Invoked when a slide is and we're in the overview.
*
* @param {object} event
*/
onSlideClicked(e) {
if (this.isActive()) {
e.preventDefault();
let i = e.target;
for (; i && !i.nodeName.match(/section/gi); )
i = i.parentNode;
if (i && !i.classList.contains("disabled") && (this.deactivate(), i.nodeName.match(/section/gi))) {
let t = parseInt(i.getAttribute("data-index-h"), 10), s = parseInt(i.getAttribute("data-index-v"), 10);
this.Reveal.slide(t, s);
}
}
}
}
class Hi {
constructor(e) {
this.Reveal = e, this.shortcuts = {}, this.bindings = {}, this.onDocumentKeyDown = this.onDocumentKeyDown.bind(this);
}
/**
* Called when the reveal.js config is updated.
*/
configure(e, i) {
e.navigationMode === "linear" ? (this.shortcuts["&#8594; , &#8595; , SPACE , N , L , J"] = "Next slide", this.shortcuts["&#8592; , &#8593; , P , H , K"] = "Previous slide") : (this.shortcuts["N , SPACE"] = "Next slide", this.shortcuts["P , Shift SPACE"] = "Previous slide", this.shortcuts["&#8592; , H"] = "Navigate left", this.shortcuts["&#8594; , L"] = "Navigate right", this.shortcuts["&#8593; , K"] = "Navigate up", this.shortcuts["&#8595; , J"] = "Navigate down"), this.shortcuts["Alt + &#8592;/&#8593/&#8594;/&#8595;"] = "Navigate without fragments", this.shortcuts["Shift + &#8592;/&#8593/&#8594;/&#8595;"] = "Jump to first/last slide", this.shortcuts["B , ."] = "Pause", this.shortcuts.F = "Fullscreen", this.shortcuts.G = "Jump to slide", this.shortcuts["ESC, O"] = "Slide overview";
}
/**
* Starts listening for keyboard events.
*/
bind() {
document.addEventListener("keydown", this.onDocumentKeyDown, !1);
}
/**
* Stops listening for keyboard events.
*/
unbind() {
document.removeEventListener("keydown", this.onDocumentKeyDown, !1);
}
/**
* Add a custom key binding with optional description to
* be added to the help screen.
*/
addKeyBinding(e, i) {
typeof e == "object" && e.keyCode ? this.bindings[e.keyCode] = {
callback: i,
key: e.key,
description: e.description
} : this.bindings[e] = {
callback: i,
key: null,
description: null
};
}
/**
* Removes the specified custom key binding.
*/
removeKeyBinding(e) {
delete this.bindings[e];
}
/**
* Programmatically triggers a keyboard event
*
* @param {int} keyCode
*/
triggerKey(e) {
this.onDocumentKeyDown({ keyCode: e });
}
/**
* Registers a new shortcut to include in the help overlay
*
* @param {String} key
* @param {String} value
*/
registerKeyboardShortcut(e, i) {
this.shortcuts[e] = i;
}
getShortcuts() {
return this.shortcuts;
}
getBindings() {
return this.bindings;
}
/**
* Handler for the document level 'keydown' event.
*
* @param {object} event
*/
onDocumentKeyDown(e) {
let i = this.Reveal.getConfig();
if (typeof i.keyboardCondition == "function" && i.keyboardCondition(e) === !1 || i.keyboardCondition === "focused" && !this.Reveal.isFocused())
return !0;
let t = e.keyCode, s = !this.Reveal.isAutoSliding();
this.Reveal.onUserInput(e);
let n = document.activeElement && document.activeElement.isContentEditable === !0, r = document.activeElement && document.activeElement.tagName && /input|textarea/i.test(document.activeElement.tagName), o = document.activeElement && document.activeElement.className && /speaker-notes/i.test(document.activeElement.className), u = !([32, 37, 38, 39, 40, 63, 78, 80, 191].indexOf(e.keyCode) !== -1 && e.shiftKey || e.altKey) && (e.shiftKey || e.altKey || e.ctrlKey || e.metaKey);
if (n || r || o || u) return;
let g = [66, 86, 190, 191, 112], p;
if (typeof i.keyboard == "object")
for (p in i.keyboard)
i.keyboard[p] === "togglePause" && g.push(parseInt(p, 10));
if (this.Reveal.isOverlayOpen() && !["Escape", "f", "c", "b", "."].includes(e.key) || this.Reveal.isPaused() && g.indexOf(t) === -1)
return !1;
let m = i.navigationMode === "linear" || !this.Reveal.hasHorizontalSlides() || !this.Reveal.hasVerticalSlides(), b = !1;
if (typeof i.keyboard == "object") {
for (p in i.keyboard)
if (parseInt(p, 10) === t) {
let l = i.keyboard[p];
typeof l == "function" ? l.apply(null, [e]) : typeof l == "string" && typeof this.Reveal[l] == "function" && this.Reveal[l].call(), b = !0;
}
}
if (b === !1) {
for (p in this.bindings)
if (parseInt(p, 10) === t) {
let l = this.bindings[p].callback;
typeof l == "function" ? l.apply(null, [e]) : typeof l == "string" && typeof this.Reveal[l] == "function" && this.Reveal[l].call(), b = !0;
}
}
b === !1 && (b = !0, t === 80 || t === 33 ? this.Reveal.prev({ skipFragments: e.altKey }) : t === 78 || t === 34 ? this.Reveal.next({ skipFragments: e.altKey }) : t === 72 || t === 37 ? e.shiftKey ? this.Reveal.slide(0) : !this.Reveal.overview.isActive() && m ? i.rtl ? this.Reveal.next({ skipFragments: e.altKey }) : this.Reveal.prev({ skipFragments: e.altKey }) : this.Reveal.left({ skipFragments: e.altKey }) : t === 76 || t === 39 ? e.shiftKey ? this.Reveal.slide(this.Reveal.getHorizontalSlides().length - 1) : !this.Reveal.overview.isActive() && m ? i.rtl ? this.Reveal.prev({ skipFragments: e.altKey }) : this.Reveal.next({ skipFragments: e.altKey }) : this.Reveal.right({ skipFragments: e.altKey }) : t === 75 || t === 38 ? e.shiftKey ? this.Reveal.slide(void 0, 0) : !this.Reveal.overview.isActive() && m ? this.Reveal.prev({ skipFragments: e.altKey }) : this.Reveal.up({ skipFragments: e.altKey }) : t === 74 || t === 40 ? e.shiftKey ? this.Reveal.slide(void 0, Number.MAX_VALUE) : !this.Reveal.overview.isActive() && m ? this.Reveal.next({ skipFragments: e.altKey }) : this.Reveal.down({ skipFragments: e.altKey }) : t === 36 ? this.Reveal.slide(0) : t === 35 ? this.Reveal.slide(this.Reveal.getHorizontalSlides().length - 1) : t === 32 ? (this.Reveal.overview.isActive() && this.Reveal.overview.deactivate(), e.shiftKey ? this.Reveal.prev({ skipFragments: e.altKey }) : this.Reveal.next({ skipFragments: e.altKey })) : [58, 59, 66, 86, 190].includes(t) || t === 191 && !e.shiftKey ? this.Reveal.togglePause() : t === 70 ? xt(i.embedded ? this.Reveal.getViewportElement() : document.documentElement) : t === 65 ? i.autoSlideStoppable && this.Reveal.toggleAutoSlide(s) : t === 71 ? i.jumpToSlide && this.Reveal.toggleJumpToSlide() : t === 67 && this.Reveal.isOverlayOpen() ? this.Reveal.closeOverlay() : (t === 63 || t === 191) && e.shiftKey ? this.Reveal.toggleHelp() : t === 112 ? this.Reveal.toggleHelp() : b = !1), b ? e.preventDefault && e.preventDefault() : t === 27 || t === 79 ? (this.Reveal.closeOverlay() === !1 && this.Reveal.overview.toggle(), e.preventDefault && e.preventDefault()) : t === 13 && this.Reveal.overview.isActive() && (this.Reveal.overview.deactivate(), e.preventDefault && e.preventDefault()), this.Reveal.cueAutoSlide();
}
}
class Di {
constructor(e) {
// The minimum number of milliseconds that must pass between
// calls to history.replaceState
Rt(this, "MAX_REPLACE_STATE_FREQUENCY", 1e3);
this.Reveal = e, this.writeURLTimeout = 0, this.replaceStateTimestamp = 0, this.onWindowHashChange = this.onWindowHashChange.bind(this);
}
bind() {
window.addEventListener("hashchange", this.onWindowHashChange, !1);
}
unbind() {
window.removeEventListener("hashchange", this.onWindowHashChange, !1);
}
/**
* Returns the slide indices for the given hash link.
*
* @param {string} [hash] the hash string that we want to
* find the indices for
*
* @returns slide indices or null
*/
getIndicesFromHash(e = window.location.hash, i = {}) {
let t = e.replace(/^#\/?/, ""), s = t.split("/");
if (!/^[0-9]*$/.test(s[0]) && t.length) {
let n, r;
/\/[-\d]+$/g.test(t) && (r = parseInt(t.split("/").pop(), 10), r = isNaN(r) ? void 0 : r, t = t.split("/").shift());
try {
n = document.getElementById(decodeURIComponent(t)).closest(".slides section");
} catch {
}
if (n)
return { ...this.Reveal.getIndices(n), f: r };
} else {
const n = this.Reveal.getConfig();
let r = n.hashOneBasedIndex || i.oneBasedIndex ? 1 : 0, o = parseInt(s[0], 10) - r || 0, h = parseInt(s[1], 10) - r || 0, u;
return n.fragmentInURL && (u = parseInt(s[2], 10), isNaN(u) && (u = void 0)), { h: o, v: h, f: u };
}
return null;
}
/**
* Reads the current URL (hash) and navigates accordingly.
*/
readURL() {
const e = this.Reveal.getIndices(), i = this.getIndicesFromHash();
i ? (i.h !== e.h || i.v !== e.v || i.f !== void 0) && this.Reveal.slide(i.h, i.v, i.f) : this.Reveal.slide(e.h || 0, e.v || 0);
}
/**
* Updates the page URL (hash) to reflect the current
* state.
*
* @param {number} delay The time in ms to wait before
* writing the hash
*/
writeURL(e) {
let i = this.Reveal.getConfig(), t = this.Reveal.getCurrentSlide();
if (clearTimeout(this.writeURLTimeout), typeof e == "number")
this.writeURLTimeout = setTimeout(this.writeURL, e);
else if (t) {
let s = this.getHash();
i.history ? window.location.hash = s : i.hash && (s === "/" ? this.debouncedReplaceState(window.location.pathname + window.location.search) : this.debouncedReplaceState("#" + s));
}
}
replaceState(e) {
window.history.replaceState(null, null, e), this.replaceStateTimestamp = Date.now();
}
debouncedReplaceState(e) {
clearTimeout(this.replaceStateTimeout), Date.now() - this.replaceStateTimestamp > this.MAX_REPLACE_STATE_FREQUENCY ? this.replaceState(e) : this.replaceStateTimeout = setTimeout(() => this.replaceState(e), this.MAX_REPLACE_STATE_FREQUENCY);
}
/**
* Return a hash URL that will resolve to the given slide location.
*
* @param {HTMLElement} [slide=currentSlide] The slide to link to
*/
getHash(e) {
let i = "/", t = e || this.Reveal.getCurrentSlide(), s = t ? t.getAttribute("id") : null;
s && (s = encodeURIComponent(s));
let n = this.Reveal.getIndices(e);
if (this.Reveal.getConfig().fragmentInURL || (n.f = void 0), typeof s == "string" && s.length)
i = "/" + s, n.f >= 0 && (i += "/" + n.f);
else {
let r = this.Reveal.getConfig().hashOneBasedIndex ? 1 : 0;
(n.h > 0 || n.v > 0 || n.f >= 0) && (i += n.h + r), (n.v > 0 || n.f >= 0) && (i += "/" + (n.v + r)), n.f >= 0 && (i += "/" + n.f);
}
return i;
}
/**
* Handler for the window level 'hashchange' event.
*
* @param {object} [event]
*/
onWindowHashChange(e) {
this.readURL();
}
}
class Fi {
constructor(e) {
this.Reveal = e, this.onNavigateLeftClicked = this.onNavigateLeftClicked.bind(this), this.onNavigateRightClicked = this.onNavigateRightClicked.bind(this), this.onNavigateUpClicked = this.onNavigateUpClicked.bind(this), this.onNavigateDownClicked = this.onNavigateDownClicked.bind(this), this.onNavigatePrevClicked = this.onNavigatePrevClicked.bind(this), this.onNavigateNextClicked = this.onNavigateNextClicked.bind(this), this.onEnterFullscreen = this.onEnterFullscreen.bind(this);
}
render() {
const e = this.Reveal.getConfig().rtl, i = this.Reveal.getRevealElement();
this.element = document.createElement("aside"), this.element.className = "controls", this.element.innerHTML = `<button class="navigate-left" aria-label="${e ? "next slide" : "previous slide"}"><div class="controls-arrow"></div></button>
<button class="navigate-right" aria-label="${e ? "previous slide" : "next slide"}"><div class="controls-arrow"></div></button>
<button class="navigate-up" aria-label="above slide"><div class="controls-arrow"></div></button>
<button class="navigate-down" aria-label="below slide"><div class="controls-arrow"></div></button>`, this.Reveal.getRevealElement().appendChild(this.element), this.controlsLeft = E(i, ".navigate-left"), this.controlsRight = E(i, ".navigate-right"), this.controlsUp = E(i, ".navigate-up"), this.controlsDown = E(i, ".navigate-down"), this.controlsPrev = E(i, ".navigate-prev"), this.controlsNext = E(i, ".navigate-next"), this.controlsFullscreen = E(i, ".enter-fullscreen"), this.controlsRightArrow = this.element.querySelector(".navigate-right"), this.controlsLeftArrow = this.element.querySelector(".navigate-left"), this.controlsDownArrow = this.element.querySelector(".navigate-down");
}
/**
* Called when the reveal.js config is updated.
*/
configure(e, i) {
this.element.style.display = e.controls && (e.controls !== "speaker-only" || this.Reveal.isSpeakerNotes()) ? "block" : "none", this.element.setAttribute("data-controls-layout", e.controlsLayout), this.element.setAttribute("data-controls-back-arrows", e.controlsBackArrows);
}
bind() {
let e = ["touchstart", "click"];
It && (e = ["touchstart"]), e.forEach((i) => {
this.controlsLeft.forEach((t) => t.addEventListener(i, this.onNavigateLeftClicked, !1)), this.controlsRight.forEach((t) => t.addEventListener(i, this.onNavigateRightClicked, !1)), this.controlsUp.forEach((t) => t.addEventListener(i, this.onNavigateUpClicked, !1)), this.controlsDown.forEach((t) => t.addEventListener(i, this.onNavigateDownClicked, !1)), this.controlsPrev.forEach((t) => t.addEventListener(i, this.onNavigatePrevClicked, !1)), this.controlsNext.forEach((t) => t.addEventListener(i, this.onNavigateNextClicked, !1)), this.controlsFullscreen.forEach((t) => t.addEventListener(i, this.onEnterFullscreen, !1));
});
}
unbind() {
["touchstart", "click"].forEach((e) => {
this.controlsLeft.forEach((i) => i.removeEventListener(e, this.onNavigateLeftClicked, !1)), this.controlsRight.forEach((i) => i.removeEventListener(e, this.onNavigateRightClicked, !1)), this.controlsUp.forEach((i) => i.removeEventListener(e, this.onNavigateUpClicked, !1)), this.controlsDown.forEach((i) => i.removeEventListener(e, this.onNavigateDownClicked, !1)), this.controlsPrev.forEach((i) => i.removeEventListener(e, this.onNavigatePrevClicked, !1)), this.controlsNext.forEach((i) => i.removeEventListener(e, this.onNavigateNextClicked, !1)), this.controlsFullscreen.forEach((i) => i.removeEventListener(e, this.onEnterFullscreen, !1));
});
}
/**
* Updates the state of all control/navigation arrows.
*/
update() {
let e = this.Reveal.availableRoutes();
[...this.controlsLeft, ...this.controlsRight, ...this.controlsUp, ...this.controlsDown, ...this.controlsPrev, ...this.controlsNext].forEach((t) => {
t.classList.remove("enabled", "fragmented"), t.setAttribute("disabled", "disabled");
}), e.left && this.controlsLeft.forEach((t) => {
t.classList.add("enabled"), t.removeAttribute("disabled");
}), e.right && this.controlsRight.forEach((t) => {
t.classList.add("enabled"), t.removeAttribute("disabled");
}), e.up && this.controlsUp.forEach((t) => {
t.classList.add("enabled"), t.removeAttribute("disabled");
}), e.down && this.controlsDown.forEach((t) => {
t.classList.add("enabled"), t.removeAttribute("disabled");
}), (e.left || e.up) && this.controlsPrev.forEach((t) => {
t.classList.add("enabled"), t.removeAttribute("disabled");
}), (e.right || e.down) && this.controlsNext.forEach((t) => {
t.classList.add("enabled"), t.removeAttribute("disabled");
});
let i = this.Reveal.getCurrentSlide();
if (i) {
let t = this.Reveal.fragments.availableRoutes();
t.prev && this.controlsPrev.forEach((r) => {
r.classList.add("fragmented", "enabled"), r.removeAttribute("disabled");
}), t.next && this.controlsNext.forEach((r) => {
r.classList.add("fragmented", "enabled"), r.removeAttribute("disabled");
});
const s = this.Reveal.isVerticalSlide(i), n = s && i.parentElement && i.parentElement.querySelectorAll(":scope > section").length > 1;
s && n ? (t.prev && this.controlsUp.forEach((r) => {
r.classList.add("fragmented", "enabled"), r.removeAttribute("disabled");
}), t.next && this.controlsDown.forEach((r) => {
r.classList.add("fragmented", "enabled"), r.removeAttribute("disabled");
})) : (t.prev && this.controlsLeft.forEach((r) => {
r.classList.add("fragmented", "enabled"), r.removeAttribute("disabled");
}), t.next && this.controlsRight.forEach((r) => {
r.classList.add("fragmented", "enabled"), r.removeAttribute("disabled");
}));
}
if (this.Reveal.getConfig().controlsTutorial) {
let t = this.Reveal.getIndices();
!this.Reveal.hasNavigatedVertically() && e.down ? this.controlsDownArrow.classList.add("highlight") : (this.controlsDownArrow.classList.remove("highlight"), this.Reveal.getConfig().rtl ? !this.Reveal.hasNavigatedHorizontally() && e.left && t.v === 0 ? this.controlsLeftArrow.classList.add("highlight") : this.controlsLeftArrow.classList.remove("highlight") : !this.Reveal.hasNavigatedHorizontally() && e.right && t.v === 0 ? this.controlsRightArrow.classList.add("highlight") : this.controlsRightArrow.classList.remove("highlight"));
}
}
destroy() {
this.unbind(), this.element.remove();
}
/**
* Event handlers for navigation control buttons.
*/
onNavigateLeftClicked(e) {
e.preventDefault(), this.Reveal.onUserInput(), this.Reveal.getConfig().navigationMode === "linear" ? this.Reveal.prev() : this.Reveal.left();
}
onNavigateRightClicked(e) {
e.preventDefault(), this.Reveal.onUserInput(), this.Reveal.getConfig().navigationMode === "linear" ? this.Reveal.next() : this.Reveal.right();
}
onNavigateUpClicked(e) {
e.preventDefault(), this.Reveal.onUserInput(), this.Reveal.up();
}
onNavigateDownClicked(e) {
e.preventDefault(), this.Reveal.onUserInput(), this.Reveal.down();
}
onNavigatePrevClicked(e) {
e.preventDefault(), this.Reveal.onUserInput(), this.Reveal.prev();
}
onNavigateNextClicked(e) {
e.preventDefault(), this.Reveal.onUserInput(), this.Reveal.next();
}
onEnterFullscreen(e) {
const i = this.Reveal.getConfig(), t = this.Reveal.getViewportElement();
xt(i.embedded ? t : t.parentElement);
}
}
class zi {
constructor(e) {
this.Reveal = e, 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(e, i) {
this.element.style.display = e.progress ? "block" : "none";
}
bind() {
this.Reveal.getConfig().progress && this.element && this.element.addEventListener("click", this.onProgressClicked, !1);
}
unbind() {
this.Reveal.getConfig().progress && this.element && this.element.removeEventListener("click", this.onProgressClicked, !1);
}
/**
* Updates the progress bar to reflect the current slide.
*/
update() {
if (this.Reveal.getConfig().progress && this.bar) {
let e = this.Reveal.getProgress();
this.Reveal.getTotalSlides() < 2 && (e = 0), this.bar.style.transform = "scaleX(" + e + ")";
}
}
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(e) {
this.Reveal.onUserInput(e), e.preventDefault();
let i = this.Reveal.getSlides(), t = i.length, s = Math.floor(e.clientX / this.getMaxWidth() * t);
this.Reveal.getConfig().rtl && (s = t - s);
let n = this.Reveal.getIndices(i[s]);
this.Reveal.slide(n.h, n.v);
}
destroy() {
this.element.remove();
}
}
class Vi {
constructor(e) {
this.Reveal = e, this.lastMouseWheelStep = 0, this.cursorHidden = !1, this.cursorInactiveTimeout = 0, this.onDocumentCursorActive = this.onDocumentCursorActive.bind(this), this.onDocumentMouseScroll = this.onDocumentMouseScroll.bind(this);
}
/**
* Called when the reveal.js config is updated.
*/
configure(e, i) {
e.mouseWheel ? document.addEventListener("wheel", this.onDocumentMouseScroll, !1) : document.removeEventListener("wheel", this.onDocumentMouseScroll, !1), e.hideInactiveCursor ? (document.addEventListener("mousemove", this.onDocumentCursorActive, !1), document.addEventListener("mousedown", this.onDocumentCursorActive, !1)) : (this.showCursor(), document.removeEventListener("mousemove", this.onDocumentCursorActive, !1), document.removeEventListener("mousedown", this.onDocumentCursorActive, !1));
}
/**
* Shows the mouse pointer after it has been hidden with
* #hideCursor.
*/
showCursor() {
this.cursorHidden && (this.cursorHidden = !1, this.Reveal.getRevealElement().style.cursor = "");
}
/**
* Hides the mouse pointer when it's on top of the .reveal
* container.
*/
hideCursor() {
this.cursorHidden === !1 && (this.cursorHidden = !0, this.Reveal.getRevealElement().style.cursor = "none");
}
destroy() {
this.showCursor(), document.removeEventListener("wheel", this.onDocumentMouseScroll, !1), document.removeEventListener("mousemove", this.onDocumentCursorActive, !1), document.removeEventListener("mousedown", this.onDocumentCursorActive, !1);
}
/**
* Called whenever there is mouse input at the document level
* to determine if the cursor is active or not.
*
* @param {object} event
*/
onDocumentCursorActive(e) {
this.showCursor(), clearTimeout(this.cursorInactiveTimeout), this.cursorInactiveTimeout = setTimeout(this.hideCursor.bind(this), this.Reveal.getConfig().hideCursorTime);
}
/**
* Handles mouse wheel scrolling, throttled to avoid skipping
* multiple slides.
*
* @param {object} event
*/
onDocumentMouseScroll(e) {
if (Date.now() - this.lastMouseWheelStep > 1e3) {
this.lastMouseWheelStep = Date.now();
let i = e.detail || -e.wheelDelta;
i > 0 ? this.Reveal.next() : i < 0 && this.Reveal.prev();
}
}
}
const Lt = (c, e) => {
const i = document.createElement("script");
i.type = "text/javascript", i.async = !1, i.defer = !1, i.src = c, typeof e == "function" && (i.onload = i.onreadystatechange = (s) => {
(s.type === "load" || /loaded|complete/.test(i.readyState)) && (i.onload = i.onreadystatechange = i.onerror = null, e());
}, i.onerror = (s) => {
i.onload = i.onreadystatechange = i.onerror = null, e(new Error("Failed loading script: " + i.src + `
` + s));
});
const t = document.querySelector("head");
t.insertBefore(i, t.lastChild);
};
class Oi {
constructor(e) {
this.Reveal = e, this.state = "idle", this.registeredPlugins = {}, this.asyncDependencies = [];
}
/**
* Loads reveal.js dependencies, registers and
* initializes plugins.
*
* Plugins are direct references to a reveal.js plugin
* object that we register and initialize after any
* synchronous dependencies have loaded.
*
* Dependencies are defined via the 'dependencies' config
* option and will be loaded prior to starting reveal.js.
* Some dependencies may have an 'async' flag, if so they
* will load after reveal.js has been started up.
*/
load(e, i) {
return this.state = "loading", e.forEach(this.registerPlugin.bind(this)), new Promise((t) => {
let s = [], n = 0;
if (i.forEach((r) => {
(!r.condition || r.condition()) && (r.async ? this.asyncDependencies.push(r) : s.push(r));
}), s.length) {
n = s.length;
const r = (o) => {
o && typeof o.callback == "function" && o.callback(), --n === 0 && this.initPlugins().then(t);
};
s.forEach((o) => {
typeof o.id == "string" ? (this.registerPlugin(o), r(o)) : typeof o.src == "string" ? Lt(o.src, () => r(o)) : (console.warn("Unrecognized plugin format", o), r());
});
} else
this.initPlugins().then(t);
});
}
/**
* Initializes our plugins and waits for them to be ready
* before proceeding.
*/
initPlugins() {
return new Promise((e) => {
let i = Object.values(this.registeredPlugins), t = i.length;
if (t === 0)
this.loadAsync().then(e);
else {
let s, n = () => {
--t === 0 ? this.loadAsync().then(e) : s();
}, r = 0;
s = () => {
let o = i[r++];
if (typeof o.init == "function") {
let h = o.init(this.Reveal);
h && typeof h.then == "function" ? h.then(n) : n();
} else
n();
}, s();
}
});
}
/**
* Loads all async reveal.js dependencies.
*/
loadAsync() {
return this.state = "loaded", this.asyncDependencies.length && this.asyncDependencies.forEach((e) => {
Lt(e.src, e.callback);
}), Promise.resolve();
}
/**
* Registers a new plugin with this reveal.js instance.
*
* reveal.js waits for all registered plugins to initialize
* before considering itself ready, as long as the plugin
* is registered before calling `Reveal.initialize()`.
*/
registerPlugin(e) {
arguments.length === 2 && typeof arguments[0] == "string" ? (e = arguments[1], e.id = arguments[0]) : typeof e == "function" && (e = e());
let i = e.id;
typeof i != "string" ? console.warn("Unrecognized plugin format; can't find plugin.id", e) : this.registeredPlugins[i] === void 0 ? (this.registeredPlugins[i] = e, this.state === "loaded" && typeof e.init == "function" && e.init(this.Reveal)) : console.warn('reveal.js: "' + i + '" plugin has already been registered');
}
/**
* Checks if a specific plugin has been registered.
*
* @param {String} id Unique plugin identifier
*/
hasPlugin(e) {
return !!this.registeredPlugins[e];
}
/**
* Returns the specific plugin instance, if a plugin
* with the given ID has been registered.
*
* @param {String} id Unique plugin identifier
*/
getPlugin(e) {
return this.registeredPlugins[e];
}
getRegisteredPlugins() {
return this.registeredPlugins;
}
destroy() {
Object.values(this.registeredPlugins).forEach((e) => {
typeof e.destroy == "function" && e.destroy();
}), this.registeredPlugins = {}, this.asyncDependencies = [];
}
}
class qi {
constructor(e) {
this.Reveal = e, this.onSlidesClicked = this.onSlidesClicked.bind(this), this.iframeTriggerSelector = null, this.mediaTriggerSelector = "[data-preview-image], [data-preview-video]", this.stateProps = ["previewIframe", "previewImage", "previewVideo", "previewFit"], this.state = {};
}
update() {
this.Reveal.getConfig().previewLinks ? this.iframeTriggerSelector = "a[href]:not([data-preview-link=false]), [data-preview-link]:not(a):not([data-preview-link=false])" : this.iframeTriggerSelector = "[data-preview-link]:not([data-preview-link=false])";
const e = this.Reveal.getSlidesElement().querySelectorAll(this.iframeTriggerSelector).length > 0, i = this.Reveal.getSlidesElement().querySelectorAll(this.mediaTriggerSelector).length > 0;
e || i ? this.Reveal.getSlidesElement().addEventListener("click", this.onSlidesClicked, !1) : this.Reveal.getSlidesElement().removeEventListener("click", this.onSlidesClicked, !1);
}
createOverlay(e) {
this.dom = document.createElement("div"), this.dom.classList.add("r-overlay"), this.dom.classList.add(e), this.viewport = document.createElement("div"), this.viewport.classList.add("r-overlay-viewport"), this.dom.appendChild(this.viewport), this.Reveal.getRevealElement().appendChild(this.dom);
}
/**
* Opens a lightbox that previews the target URL.
*
* @param {string} url - url for lightbox iframe src
*/
previewIframe(e) {
this.close(), this.state = { previewIframe: e }, this.createOverlay("r-overlay-preview"), this.dom.dataset.state = "loading", this.viewport.innerHTML = `<header class="r-overlay-header">
<a class="r-overlay-button r-overlay-external" href="${e}" target="_blank"><span class="icon"></span></a>
<button class="r-overlay-button r-overlay-close"><span class="icon"></span></button>
</header>
<div class="r-overlay-spinner"></div>
<div class="r-overlay-content">
<iframe src="${e}"></iframe>
<small class="r-overlay-content-inner">
<span class="r-overlay-error x-frame-error">Unable to load iframe. This is likely due to the site's policy (x-frame-options).</span>
</small>
</div>`, this.dom.querySelector("iframe").addEventListener("load", (i) => {
this.dom.dataset.state = "loaded";
}, !1), this.dom.querySelector(".r-overlay-close").addEventListener("click", (i) => {
this.close(), i.preventDefault();
}, !1), this.dom.querySelector(".r-overlay-external").addEventListener("click", (i) => {
this.close();
}, !1), this.Reveal.dispatchEvent({ type: "previewiframe", data: { url: e } });
}
/**
* Opens a lightbox window that provides a larger view of the
* given image/video.
*
* @param {string} url - url to the image/video to preview
* @param {image|video} mediaType
* @param {string} [fitMode] - the fit mode to use for the preview
*/
previewMedia(e, i, t) {
if (i !== "image" && i !== "video") {
console.warn("Please specify a valid media type to preview (image|video)");
return;
}
this.close(), t = t || "scale-down", this.createOverlay("r-overlay-preview"), this.dom.dataset.state = "loading", this.dom.dataset.previewFit = t, this.viewport.innerHTML = `<header class="r-overlay-header">
<button class="r-overlay-button r-overlay-close">Esc <span class="icon"></span></button>
</header>
<div class="r-overlay-spinner"></div>
<div class="r-overlay-content"></div>`;
const s = this.dom.querySelector(".r-overlay-content");
if (i === "image") {
this.state = { previewImage: e, previewFit: t };
const n = document.createElement("img", {});
n.src = e, s.appendChild(n), n.addEventListener("load", () => {
this.dom.dataset.state = "loaded";
}, !1), n.addEventListener("error", () => {
this.dom.dataset.state = "error", s.innerHTML = '<span class="r-overlay-error">Unable to load image.</span>';
}, !1), this.dom.style.cursor = "zoom-out", this.dom.addEventListener("click", (r) => {
this.close();
}, !1), this.Reveal.dispatchEvent({ type: "previewimage", data: { url: e } });
} else if (i === "video") {
this.state = { previewVideo: e, previewFit: t };
const n = document.createElement("video");
n.autoplay = this.dom.dataset.previewAutoplay !== "false", n.controls = this.dom.dataset.previewControls !== "false", n.loop = this.dom.dataset.previewLoop === "true", n.muted = this.dom.dataset.previewMuted === "true", n.playsInline = !0, n.src = e, s.appendChild(n), n.addEventListener("loadeddata", () => {
this.dom.dataset.state = "loaded";
}, !1), n.addEventListener("error", () => {
this.dom.dataset.state = "error", s.innerHTML = '<span class="r-overlay-error">Unable to load video.</span>';
}, !1), this.Reveal.dispatchEvent({ type: "previewvideo", data: { url: e } });
} else
throw new Error("Please specify a valid media type to preview");
this.dom.querySelector(".r-overlay-close").addEventListener("click", (n) => {
this.close(), n.preventDefault();
}, !1);
}
previewImage(e, i) {
this.previewMedia(e, "image", i);
}
previewVideo(e, i) {
this.previewMedia(e, "video", i);
}
/**
* 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.
*/
toggleHelp(e) {
typeof e == "boolean" ? e ? this.showHelp() : this.close() : this.dom ? this.close() : this.showHelp();
}
/**
* Opens an overlay window with help material.
*/
showHelp() {
if (this.Reveal.getConfig().help) {
this.close(), this.createOverlay("r-overlay-help");
let e = '<p class="title">Keyboard Shortcuts</p>', i = this.Reveal.keyboard.getShortcuts(), t = this.Reveal.keyboard.getBindings();
e += "<table><th>KEY</th><th>ACTION</th>";
for (let s in i)
e += `<tr><td>${s}</td><td>${i[s]}</td></tr>`;
for (let s in t)
t[s].key && t[s].description && (e += `<tr><td>${t[s].key}</td><td>${t[s].description}</td></tr>`);
e += "</table>", this.viewport.innerHTML = `
<header class="r-overlay-header">
<button class="r-overlay-button r-overlay-close">Esc <span class="icon"></span></button>
</header>
<div class="r-overlay-content">
<div class="r-overlay-help-content">${e}</div>
</div>
`, this.dom.querySelector(".r-overlay-close").addEventListener("click", (s) => {
this.close(), s.preventDefault();
}, !1), this.Reveal.dispatchEvent({ type: "showhelp" });
}
}
isOpen() {
return !!this.dom;
}
/**
* Closes any currently open overlay.
*/
close() {
return this.dom ? (this.dom.remove(), this.dom = null, this.state = {}, this.Reveal.dispatchEvent({ type: "closeoverlay" }), !0) : !1;
}
getState() {
return this.state;
}
setState(e) {
this.stateProps.every((i) => this.state[i] === e[i]) || (e.previewIframe ? this.previewIframe(e.previewIframe) : e.previewImage ? this.previewImage(e.previewImage, e.previewFit) : e.previewVideo ? this.previewVideo(e.previewVideo, e.previewFit) : this.close());
}
onSlidesClicked(e) {
const i = e.target, t = i.closest(this.iframeTriggerSelector), s = i.closest(this.mediaTriggerSelector);
if (t) {
if (e.metaKey || e.shiftKey || e.altKey)
return;
let n = t.getAttribute("href") || t.getAttribute("data-preview-link");
n && (this.previewIframe(n), e.preventDefault());
} else if (s) {
if (s.hasAttribute("data-preview-image")) {
let n = s.dataset.previewImage || s.getAttribute("src");
n && (this.previewImage(n, s.dataset.previewFit), e.preventDefault());
} else if (s.hasAttribute("data-preview-video")) {
let n = s.dataset.previewVideo || s.getAttribute("src");
if (!n) {
let r = s.querySelector("source");
r && (n = r.getAttribute("src"));
}
n && (this.previewVideo(n, s.dataset.previewFit), e.preventDefault());
}
}
}
destroy() {
this.close();
}
}
const Le = 40;
class Ui {
constructor(e) {
this.Reveal = e, this.touchStartX = 0, this.touchStartY = 0, this.touchStartCount = 0, this.touchCaptured = !1, 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 e = this.Reveal.getRevealElement();
"onpointerdown" in window ? (e.addEventListener("pointerdown", this.onPointerDown, !1), e.addEventListener("pointermove", this.onPointerMove, !1), e.addEventListener("pointerup", this.onPointerUp, !1)) : window.navigator.msPointerEnabled ? (e.addEventListener("MSPointerDown", this.onPointerDown, !1), e.addEventListener("MSPointerMove", this.onPointerMove, !1), e.addEventListener("MSPointerUp", this.onPointerUp, !1)) : (e.addEventListener("touchstart", this.onTouchStart, !1), e.addEventListener("touchmove", this.onTouchMove, !1), e.addEventListener("touchend", this.onTouchEnd, !1));
}
/**
*
*/
unbind() {
let e = this.Reveal.getRevealElement();
e.removeEventListener("pointerdown", this.onPointerDown, !1), e.removeEventListener("pointermove", this.onPointerMove, !1), e.removeEventListener("pointerup", this.onPointerUp, !1), e.removeEventListener("MSPointerDown", this.onPointerDown, !1), e.removeEventListener("MSPointerMove", this.onPointerMove, !1), e.removeEventListener("MSPointerUp", this.onPointerUp, !1), e.removeEventListener("touchstart", this.onTouchStart, !1), e.removeEventListener("touchmove", this.onTouchMove, !1), e.removeEventListener("touchend", this.onTouchEnd, !1);
}
/**
* Checks if the target element prevents the triggering of
* swipe navigation.
*/
isSwipePrevented(e) {
if (Pe(e, "video[controls], audio[controls]")) return !0;
for (; e && typeof e.hasAttribute == "function"; ) {
if (e.hasAttribute("data-prevent-swipe")) return !0;
e = e.parentNode;
}
return !1;
}
/**
* Handler for the 'touchstart' event, enables support for
* swipe and pinch gestures.
*
* @param {object} event
*/
onTouchStart(e) {
if (this.touchCaptured = !1, this.isSwipePrevented(e.target)) return !0;
this.touchStartX = e.touches[0].clientX, this.touchStartY = e.touches[0].clientY, this.touchStartCount = e.touches.length;
}
/**
* Handler for the 'touchmove' event.
*
* @param {object} event
*/
onTouchMove(e) {
if (this.isSwipePrevented(e.target)) return !0;
let i = this.Reveal.getConfig();
if (this.touchCaptured)
It && e.preventDefault();
else {
this.Reveal.onUserInput(e);
let t = e.touches[0].clientX, s = e.touches[0].clientY;
if (e.touches.length === 1 && this.touchStartCount !== 2) {
let n = this.Reveal.availableRoutes({ includeFragments: !0 }), r = t - this.touchStartX, o = s - this.touchStartY;
r > Le && Math.abs(r) > Math.abs(o) ? (this.touchCaptured = !0, i.navigationMode === "linear" ? i.rtl ? this.Reveal.next() : this.Reveal.prev() : this.Reveal.left()) : r < -Le && Math.abs(r) > Math.abs(o) ? (this.touchCaptured = !0, i.navigationMode === "linear" ? i.rtl ? this.Reveal.prev() : this.Reveal.next() : this.Reveal.right()) : o > Le && n.up ? (this.touchCaptured = !0, i.navigationMode === "linear" ? this.Reveal.prev() : this.Reveal.up()) : o < -Le && n.down && (this.touchCaptured = !0, i.navigationMode === "linear" ? this.Reveal.next() : this.Reveal.down()), i.embedded ? (this.touchCaptured || this.Reveal.isVerticalSlide()) && e.preventDefault() : e.preventDefault();
}
}
}
/**
* Handler for the 'touchend' event.
*
* @param {object} event
*/
onTouchEnd(e) {
this.touchCaptured = !1;
}
/**
* Convert pointer down to touch start.
*
* @param {object} event
*/
onPointerDown(e) {
(e.pointerType === e.MSPOINTER_TYPE_TOUCH || e.pointerType === "touch") && (e.touches = [{ clientX: e.clientX, clientY: e.clientY }], this.onTouchStart(e));
}
/**
* Convert pointer move to touch move.
*
* @param {object} event
*/
onPointerMove(e) {
(e.pointerType === e.MSPOINTER_TYPE_TOUCH || e.pointerType === "touch") && (e.touches = [{ clientX: e.clientX, clientY: e.clientY }], this.onTouchMove(e));
}
/**
* Convert pointer up to touch end.
*
* @param {object} event
*/
onPointerUp(e) {
(e.pointerType === e.MSPOINTER_TYPE_TOUCH || e.pointerType === "touch") && (e.touches = [{ clientX: e.clientX, clientY: e.clientY }], this.onTouchEnd(e));
}
}
const qe = "focus", Pt = "blur";
class Wi {
constructor(e) {
this.Reveal = e, this.onRevealPointerDown = this.onRevealPointerDown.bind(this), this.onDocumentPointerDown = this.onDocumentPointerDown.bind(this);
}
/**
* Called when the reveal.js config is updated.
*/
configure(e, i) {
e.embedded ? this.blur() : (this.focus(), this.unbind());
}
bind() {
this.Reveal.getConfig().embedded && this.Reveal.getRevealElement().addEventListener("pointerdown", this.onRevealPointerDown, !1);
}
unbind() {
this.Reveal.getRevealElement().removeEventListener("pointerdown", this.onRevealPointerDown, !1), document.removeEventListener("pointerdown", this.onDocumentPointerDown, !1);
}
focus() {
this.state !== qe && (this.Reveal.getRevealElement().classList.add("focused"), document.addEventListener("pointerdown", this.onDocumentPointerDown, !1)), this.state = qe;
}
blur() {
this.state !== Pt && (this.Reveal.getRevealElement().classList.remove("focused"), document.removeEventListener("pointerdown", this.onDocumentPointerDown, !1)), this.state = Pt;
}
isFocused() {
return this.state === qe;
}
destroy() {
this.Reveal.getRevealElement().classList.remove("focused");
}
onRevealPointerDown(e) {
this.focus();
}
onDocumentPointerDown(e) {
let i = V(e.target, ".reveal");
(!i || i !== this.Reveal.getRevealElement()) && this.blur();
}
}
class ji {
constructor(e) {
this.Reveal = e;
}
render() {
this.element = document.createElement("div"), this.element.className = "speaker-notes", this.element.setAttribute("data-prevent-swipe", ""), this.element.setAttribute("tabindex", "0"), this.Reveal.getRevealElement().appendChild(this.element);
}
/**
* Called when the reveal.js config is updated.
*/
configure(e, i) {
e.showNotes && this.element.setAttribute("data-layout", typeof e.showNotes == "string" ? e.showNotes : "inline");
}
/**
* Pick up notes from the current slide and display them
* to the viewer.
*
* @see {@link config.showNotes}
*/
update() {
this.Reveal.getConfig().showNotes && this.element && this.Reveal.getCurrentSlide() && !this.Reveal.isScrollView() && !this.Reveal.isPrintView() && (this.element.innerHTML = this.getSlideNotes() || '<span class="notes-placeholder">No notes on this slide.</span>');
}
/**
* Updates the visibility of the speaker notes sidebar that
* is used to share annotated slides. The notes sidebar is
* only visible if showNotes is true and there are notes on
* one or more slides in the deck.
*/
updateVisibility() {
this.Reveal.getConfig().showNotes && this.hasNotes() && !this.Reveal.isScrollView() && !this.Reveal.isPrintView() ? this.Reveal.getRevealElement().classList.add("show-notes") : this.Reveal.getRevealElement().classList.remove("show-notes");
}
/**
* Checks if there are speaker notes for ANY slide in the
* presentation.
*/
hasNotes() {
return this.Reveal.getSlidesElement().querySelectorAll("[data-notes], aside.notes").length > 0;
}
/**
* Checks if this presentation is running inside of the
* speaker notes window.
*
* @return {boolean}
*/
isSpeakerNotesWindow() {
return !!window.location.search.match(/receiver/gi);
}
/**
* Retrieves the speaker notes from a slide. Notes can be
* defined in two ways:
* 1. As a data-notes attribute on the slide <section>
* 2. With <aside class="notes"> elements inside the slide
*
* @param {HTMLElement} [slide=currentSlide]
* @return {(string|null)}
*/
getSlideNotes(e = this.Reveal.getCurrentSlide()) {
if (e.hasAttribute("data-notes"))
return e.getAttribute("data-notes");
let i = e.querySelectorAll("aside.notes");
return i ? Array.from(i).map((t) => t.innerHTML).join(`
`) : null;
}
destroy() {
this.element.remove();
}
}
class Ki {
/**
* @param {HTMLElement} container The component will append
* itself to this
* @param {function} progressCheck A method which will be
* called frequently to get the current playback progress on
* a range of 0-1
*/
constructor(e, i) {
this.diameter = 100, this.diameter2 = this.diameter / 2, this.thickness = 6, this.playing = !1, this.progress = 0, this.progressOffset = 1, this.container = e, this.progressCheck = i, this.canvas = document.createElement("canvas"), this.canvas.className = "playback", this.canvas.width = this.diameter, this.canvas.height = this.diameter, this.canvas.style.width = this.diameter2 + "px", this.canvas.style.height = this.diameter2 + "px", this.context = this.canvas.getContext("2d"), this.container.appendChild(this.canvas), this.render();
}
setPlaying(e) {
const i = this.playing;
this.playing = e, !i && this.playing ? this.animate() : this.render();
}
animate() {
const e = this.progress;
this.progress = this.progressCheck(), e > 0.8 && this.progress < 0.2 && (this.progressOffset = this.progress), this.render(), this.playing && requestAnimationFrame(this.animate.bind(this));
}
/**
* Renders the current progress and playback state.
*/
render() {
let e = this.playing ? this.progress : 0, i = this.diameter2 - this.thickness, t = this.diameter2, s = this.diameter2, n = 28;
this.progressOffset += (1 - this.progressOffset) * 0.1;
const r = -Math.PI / 2 + e * (Math.PI * 2), o = -Math.PI / 2 + this.progressOffset * (Math.PI * 2);
this.context.save(), this.context.clearRect(0, 0, this.diameter, this.diameter), this.context.beginPath(), this.context.arc(t, s, i + 4, 0, Math.PI * 2, !1), this.context.fillStyle = "rgba( 0, 0, 0, 0.4 )", this.context.fill(), this.context.beginPath(), this.context.arc(t, s, i, 0, Math.PI * 2, !1), this.context.lineWidth = this.thickness, this.context.strokeStyle = "rgba( 255, 255, 255, 0.2 )", this.context.stroke(), this.playing && (this.context.beginPath(), this.context.arc(t, s, i, o, r, !1), this.context.lineWidth = this.thickness, this.context.strokeStyle = "#fff", this.context.stroke()), this.context.translate(t - n / 2, s - n / 2), this.playing ? (this.context.fillStyle = "#fff", this.context.fillRect(0, 0, n / 2 - 4, n), this.context.fillRect(n / 2 + 4, 0, n / 2 - 4, n)) : (this.context.beginPath(), this.context.translate(4, 0), this.context.moveTo(0, 0), this.context.lineTo(n - 4, n / 2), this.context.lineTo(0, n), this.context.fillStyle = "#fff", this.context.fill()), this.context.restore();
}
on(e, i) {
this.canvas.addEventListener(e, i, !1);
}
off(e, i) {
this.canvas.removeEventListener(e, i, !1);
}
destroy() {
this.playing = !1, this.canvas.parentNode && this.container.removeChild(this.canvas);
}
}
const _i = {
width: 960,
height: 700,
margin: 0.04,
minScale: 0.2,
maxScale: 2,
controls: !0,
controlsTutorial: !0,
controlsLayout: "bottom-right",
controlsBackArrows: "faded",
progress: !0,
slideNumber: !1,
showSlideNumber: "all",
hashOneBasedIndex: !1,
hash: !1,
respondToHashChanges: !0,
jumpToSlide: !0,
history: !1,
keyboard: !0,
keyboardCondition: null,
disableLayout: !1,
overview: !0,
center: !0,
touch: !0,
loop: !1,
rtl: !1,
navigationMode: "default",
shuffle: !1,
fragments: !0,
fragmentInURL: !0,
embedded: !1,
help: !0,
pause: !0,
showNotes: !1,
showHiddenSlides: !1,
autoPlayMedia: null,
preloadIframes: null,
mouseWheel: !1,
previewLinks: !1,
viewDistance: 3,
mobileViewDistance: 2,
display: "block",
hideInactiveCursor: !0,
hideCursorTime: 5e3,
sortFragmentsOnSync: !0,
autoAnimate: !0,
autoAnimateMatcher: null,
autoAnimateEasing: "ease",
autoAnimateDuration: 1,
autoAnimateUnmatched: !0,
autoAnimateStyles: [
"opacity",
"color",
"background-color",
"padding",
"font-size",
"line-height",
"letter-spacing",
"border-width",
"border-color",
"border-radius",
"outline",
"outline-offset"
],
autoSlide: 0,
autoSlideStoppable: !0,
autoSlideMethod: null,
defaultTiming: null,
postMessage: !0,
postMessageEvents: !1,
focusBodyOnPageVisibilityChange: !0,
transition: "slide",
transitionSpeed: "default",
backgroundTransition: "fade",
parallaxBackgroundImage: "",
parallaxBackgroundSize: "",
parallaxBackgroundRepeat: "",
parallaxBackgroundPosition: "",
parallaxBackgroundHorizontal: null,
parallaxBackgroundVertical: null,
view: null,
scrollLayout: "full",
scrollSnap: "mandatory",
scrollProgress: "auto",
scrollActivationWidth: 435,
pdfMaxPagesPerSlide: Number.POSITIVE_INFINITY,
pdfSeparateFragments: !0,
pdfPageHeightOffset: -1,
dependencies: [],
plugins: []
}, Nt = "6.0.0";
function Bt(c, e) {
arguments.length < 2 && (e = arguments[0], c = document.querySelector(".reveal"));
const i = {};
let t = {}, s = !1, n = !1, r, o, h, u, g = {
hasNavigatedHorizontally: !1,
hasNavigatedVertically: !1
}, p = [], m = 1, b = { layout: "", overview: "" }, l = {}, R = "idle", M = 0, O, q = 0, ae = -1, z = !1, k = new mi(i), B = new Si(i), U = new Ri(i), W = new Ci(i), L = new ki(i), A = new Ii(i), F = new Mi(i), C = new Ni(i), f = new Bi(i), S = new Hi(i), x = new Di(i), X = new Fi(i), j = new zi(i), ee = new Vi(i), D = new Oi(i), H = new qi(i), re = new Wi(i), xe = new Ui(i), _ = new ji(i);
function Dt(a) {
if (!c) throw 'Unable to find presentation root (<div class="reveal">).';
if (s) throw "Reveal.js has already been initialized.";
if (s = !0, l.wrapper = c, l.slides = c.querySelector(".slides"), !l.slides) throw 'Unable to find slides container (<div class="slides">).';
return t = { ..._i, ...t, ...e, ...a, ...At() }, /print-pdf/gi.test(window.location.search) && (t.view = "print"), Ft(), window.addEventListener("load", de, !1), D.load(t.plugins, t.dependencies).then(zt), new Promise((d) => i.on("ready", d));
}
function Ft() {
t.embedded === !0 ? l.viewport = V(c, ".reveal-viewport") || c : (l.viewport = document.body, document.documentElement.classList.add("reveal-full-page")), l.viewport.classList.add("reveal-viewport");
}
function zt() {
s !== !1 && (n = !0, Ot(), qt(), Kt(), Wt(), jt(), ei(), Ke(), L.update(!0), Vt(), x.readURL(), setTimeout(() => {
l.slides.classList.remove("no-transition"), l.wrapper.classList.add("ready"), K({
type: "ready",
data: {
indexh: r,
indexv: o,
currentSlide: u
}
});
}, 1));
}
function Vt() {
const a = t.view === "print", d = t.view === "scroll" || t.view === "reader";
(a || d) && (a ? ye() : xe.unbind(), l.viewport.classList.add("loading-scroll-mode"), a ? document.readyState === "complete" ? F.activate() : window.addEventListener("load", () => F.activate()) : A.activate());
}
function Ot() {
t.showHiddenSlides || E(l.wrapper, 'section[data-visibility="hidden"]').forEach((a) => {
const d = a.parentNode;
d.childElementCount === 1 && /section/i.test(d.nodeName) ? d.remove() : a.remove();
});
}
function qt() {
l.slides.classList.add("no-transition"), fe ? l.wrapper.classList.add("no-hover") : l.wrapper.classList.remove("no-hover"), L.render(), B.render(), U.render(), X.render(), j.render(), _.render(), l.pauseOverlay = hi(l.wrapper, "div", "pause-overlay", t.controls ? '<button class="resume-button">Resume presentation</button>' : null), l.statusElement = Ut(), l.wrapper.setAttribute("role", "application");
}
function Ut() {
let a = l.wrapper.querySelector(".aria-status");
return a || (a = document.createElement("div"), a.style.position = "absolute", a.style.height = "1px", a.style.width = "1px", a.style.overflow = "hidden", a.style.clip = "rect( 1px, 1px, 1px, 1px )", a.classList.add("aria-status"), a.setAttribute("aria-live", "polite"), a.setAttribute("aria-atomic", "true"), l.wrapper.appendChild(a)), a;
}
function Te(a) {
l.statusElement.textContent = a;
}
function me(a) {
let d = "";
if (a.nodeType === 3)
d += a.textContent;
else if (a.nodeType === 1) {
let v = a.getAttribute("aria-hidden"), y = window.getComputedStyle(a).display === "none";
v !== "true" && !y && Array.from(a.childNodes).forEach((w) => {
d += me(w);
});
}
return d = d.trim(), d === "" ? "" : d + " ";
}
function Wt() {
setInterval(() => {
(!A.isActive() && l.wrapper.scrollTop !== 0 || l.wrapper.scrollLeft !== 0) && (l.wrapper.scrollTop = 0, l.wrapper.scrollLeft = 0);
}, 1e3);
}
function jt() {
document.addEventListener("fullscreenchange", ke), document.addEventListener("webkitfullscreenchange", ke);
}
function Kt() {
t.postMessage && window.addEventListener("message", mt, !1);
}
function Ke(a) {
const d = { ...t };
if (typeof a == "object" && ue(t, a), i.isReady() === !1) return;
const v = l.wrapper.querySelectorAll(oe).length;
l.wrapper.classList.remove(d.transition), l.wrapper.classList.add(t.transition), l.wrapper.setAttribute("data-transition-speed", t.transitionSpeed), l.wrapper.setAttribute("data-background-transition", t.backgroundTransition), l.viewport.style.setProperty("--slide-width", typeof t.width == "string" ? t.width : t.width + "px"), l.viewport.style.setProperty("--slide-height", typeof t.height == "string" ? t.height : t.height + "px"), t.shuffle && Be(), Oe(l.wrapper, "embedded", t.embedded), Oe(l.wrapper, "rtl", t.rtl), Oe(l.wrapper, "center", t.center), t.pause === !1 && pe(), W.reset(), O && (O.destroy(), O = null), v > 1 && t.autoSlide && t.autoSlideStoppable && (O = new Ki(l.wrapper, () => Math.min(Math.max((Date.now() - ae) / M, 0), 1)), O.on("click", oi), z = !1), t.navigationMode !== "default" ? l.wrapper.setAttribute("data-navigation-mode", t.navigationMode) : l.wrapper.removeAttribute("data-navigation-mode"), _.configure(t, d), re.configure(t, d), ee.configure(t, d), X.configure(t, d), j.configure(t, d), S.configure(t, d), C.configure(t, d), B.configure(t, d), at();
}
function _e() {
window.addEventListener("resize", wt, !1), t.touch && xe.bind(), t.keyboard && S.bind(), t.progress && j.bind(), t.respondToHashChanges && x.bind(), X.bind(), re.bind(), l.slides.addEventListener("click", bt, !1), l.slides.addEventListener("transitionend", yt, !1), l.pauseOverlay.addEventListener("click", pe, !1), t.focusBodyOnPageVisibilityChange && document.addEventListener("visibilitychange", Et, !1);
}
function ye() {
xe.unbind(), re.unbind(), S.unbind(), X.unbind(), j.unbind(), x.unbind(), window.removeEventListener("resize", wt, !1), l.slides.removeEventListener("click", bt, !1), l.slides.removeEventListener("transitionend", yt, !1), l.pauseOverlay.removeEventListener("click", pe, !1);
}
function _t() {
s = !1, n !== !1 && (ye(), we(), _.destroy(), re.destroy(), H.destroy(), D.destroy(), ee.destroy(), X.destroy(), j.destroy(), L.destroy(), B.destroy(), U.destroy(), document.removeEventListener("fullscreenchange", ke), document.removeEventListener("webkitfullscreenchange", ke), document.removeEventListener("visibilitychange", Et, !1), window.removeEventListener("message", mt, !1), window.removeEventListener("load", de, !1), l.pauseOverlay && l.pauseOverlay.remove(), l.statusElement && l.statusElement.remove(), document.documentElement.classList.remove("reveal-full-page"), l.wrapper.classList.remove("ready", "center", "has-horizontal-slides", "has-vertical-slides"), l.wrapper.removeAttribute("data-transition-speed"), l.wrapper.removeAttribute("data-background-transition"), l.viewport.classList.remove("reveal-viewport"), l.viewport.style.removeProperty("--slide-width"), l.viewport.style.removeProperty("--slide-height"), l.slides.style.removeProperty("width"), l.slides.style.removeProperty("height"), l.slides.style.removeProperty("zoom"), l.slides.style.removeProperty("left"), l.slides.style.removeProperty("top"), l.slides.style.removeProperty("bottom"), l.slides.style.removeProperty("right"), l.slides.style.removeProperty("transform"), Array.from(l.wrapper.querySelectorAll(oe)).forEach((a) => {
a.style.removeProperty("display"), a.style.removeProperty("top"), a.removeAttribute("hidden"), a.removeAttribute("aria-hidden");
}));
}
function $e(a, d, v) {
c.addEventListener(a, d, v);
}
function Xe(a, d, v) {
c.removeEventListener(a, d, v);
}
function Ie(a) {
typeof a.layout == "string" && (b.layout = a.layout), typeof a.overview == "string" && (b.overview = a.overview), b.layout ? se(l.slides, b.layout + " " + b.overview) : se(l.slides, b.overview);
}
function K({ target: a = l.wrapper, type: d, data: v, bubbles: y = !0 }) {
let w = document.createEvent("HTMLEvents", 1, 2);
return w.initEvent(d, y, !0), ue(w, v), a.dispatchEvent(w), a === l.wrapper && Ge(d), w;
}
function Ye(a) {
K({
type: "slidechanged",
data: {
indexh: r,
indexv: o,
previousSlide: h,
currentSlide: u,
origin: a
}
});
}
function Ge(a, d) {
if (t.postMessageEvents && window.parent !== window.self) {
let v = {
namespace: "reveal",
eventName: a,
state: pt()
};
ue(v, d), window.parent.postMessage(JSON.stringify(v), "*");
}
}
function de() {
if (l.wrapper && !F.isActive()) {
const a = l.viewport.offsetWidth, d = l.viewport.offsetHeight;
if (!t.disableLayout) {
fe && !t.embedded && document.documentElement.style.setProperty("--vh", window.innerHeight * 0.01 + "px");
const v = A.isActive() ? be(a, d) : be(), y = m;
Je(t.width, t.height), l.slides.style.width = v.width + "px", l.slides.style.height = v.height + "px", m = Math.min(v.presentationWidth / v.width, v.presentationHeight / v.height), m = Math.max(m, t.minScale), m = Math.min(m, t.maxScale), m === 1 || A.isActive() ? (l.slides.style.zoom = "", l.slides.style.left = "", l.slides.style.top = "", l.slides.style.bottom = "", l.slides.style.right = "", Ie({ layout: "" })) : (l.slides.style.zoom = "", l.slides.style.left = "50%", l.slides.style.top = "50%", l.slides.style.bottom = "auto", l.slides.style.right = "auto", Ie({ layout: "translate(-50%, -50%) scale(" + m + ")" }));
const w = Array.from(l.wrapper.querySelectorAll(oe));
for (let P = 0, T = w.length; P < T; P++) {
const N = w[P];
N.style.display !== "none" && (t.center || N.classList.contains("center") ? N.classList.contains("stack") ? N.style.top = 0 : N.style.top = Math.max((v.height - N.scrollHeight) / 2, 0) + "px" : N.style.top = "");
}
y !== m && K({
type: "resize",
data: {
oldScale: y,
scale: m,
size: v
}
});
}
$t(), l.viewport.style.setProperty("--slide-scale", m), l.viewport.style.setProperty("--viewport-width", a + "px"), l.viewport.style.setProperty("--viewport-height", d + "px"), A.layout(), j.update(), L.updateParallax(), f.isActive() && f.update();
}
}
function Je(a, d) {
E(l.slides, "section > .stretch, section > .r-stretch").forEach((v) => {
let y = ui(v, d);
if (/(img|video)/gi.test(v.nodeName)) {
const w = v.naturalWidth || v.videoWidth, P = v.naturalHeight || v.videoHeight, T = Math.min(a / w, y / P);
v.style.width = w * T + "px", v.style.height = P * T + "px";
} else
v.style.width = a + "px", v.style.height = y + "px";
});
}
function $t() {
if (l.wrapper && !t.disableLayout && !F.isActive() && typeof t.scrollActivationWidth == "number" && t.view !== "scroll") {
const a = be();
a.presentationWidth > 0 && a.presentationWidth <= t.scrollActivationWidth ? A.isActive() || (L.create(), A.activate()) : A.isActive() && A.deactivate();
}
}
function be(a, d) {
let v = t.width, y = t.height;
t.disableLayout && (v = l.slides.offsetWidth, y = l.slides.offsetHeight);
const w = {
// Slide size
width: v,
height: y,
// Presentation size
presentationWidth: a || l.wrapper.offsetWidth,
presentationHeight: d || l.wrapper.offsetHeight
};
return w.presentationWidth -= w.presentationWidth * t.margin, w.presentationHeight -= w.presentationHeight * t.margin, typeof w.width == "string" && /%$/.test(w.width) && (w.width = parseInt(w.width, 10) / 100 * w.presentationWidth), typeof w.height == "string" && /%$/.test(w.height) && (w.height = parseInt(w.height, 10) / 100 * w.presentationHeight), w;
}
function Qe(a, d) {
typeof a == "object" && typeof a.setAttribute == "function" && a.setAttribute("data-previous-indexv", d || 0);
}
function Ze(a) {
if (typeof a == "object" && typeof a.setAttribute == "function" && a.classList.contains("stack")) {
const d = a.hasAttribute("data-start-indexv") ? "data-start-indexv" : "data-previous-indexv";
return parseInt(a.getAttribute(d) || 0, 10);
}
return 0;
}
function ge(a = u) {
return a && a.parentNode && !!a.parentNode.nodeName.match(/section/i);
}
function Xt(a = u) {
return a.classList.contains(".stack") || a.querySelector("section") !== null;
}
function et() {
return u && ge(u) ? !u.nextElementSibling : !1;
}
function tt() {
return r === 0 && o === 0;
}
function Me() {
return u ? !(u.nextElementSibling || ge(u) && u.parentNode.nextElementSibling) : !1;
}
function it() {
if (t.pause) {
const a = l.wrapper.classList.contains("paused");
we(), l.wrapper.classList.add("paused"), a === !1 && K({ type: "paused" });
}
}
function pe() {
const a = l.wrapper.classList.contains("paused");
l.wrapper.classList.remove("paused"), ce(), a && K({ type: "resumed" });
}
function st(a) {
typeof a == "boolean" ? a ? it() : pe() : ve() ? pe() : it();
}
function ve() {
return l.wrapper.classList.contains("paused");
}
function Yt(a) {
typeof a == "boolean" ? a ? U.show() : U.hide() : U.isVisible() ? U.hide() : U.show();
}
function Gt(a) {
typeof a == "boolean" ? a ? Se() : Ee() : z ? Se() : Ee();
}
function Jt() {
return !!(M && !z);
}
function Y(a, d, v, y) {
if (K({
type: "beforeslidechange",
data: {
indexh: a === void 0 ? r : a,
indexv: d === void 0 ? o : d,
origin: y
}
}).defaultPrevented) return;
h = u;
const P = l.wrapper.querySelectorAll(ie);
if (A.isActive()) {
const J = A.getSlideByIndices(a, d);
J && A.scrollToSlide(J);
return;
}
if (P.length === 0) return;
d === void 0 && !f.isActive() && (d = Ze(P[a])), h && h.parentNode && h.parentNode.classList.contains("stack") && Qe(h.parentNode, o);
const T = p.concat();
p.length = 0;
let N = r || 0, ne = o || 0;
r = rt(ie, a === void 0 ? r : a), o = rt(kt, d === void 0 ? o : d);
let G = r !== N || o !== ne;
G || (h = null);
let $ = P[r], I = $.querySelectorAll("section");
c.classList.toggle("is-vertical-slide", I.length > 1), u = I[o] || $;
let Z = !1;
G && h && u && !f.isActive() && (R = "running", Z = Ne(h, u, N, ne), Z && l.slides.classList.add("disable-slide-transitions")), He(), de(), f.isActive() && f.update(), typeof v < "u" && C.goto(v), h && h !== u && (h.classList.remove("present"), h.setAttribute("aria-hidden", "true"), tt() && setTimeout(() => {
ii().forEach((J) => {
Qe(J, 0);
});
}, 0));
e: for (let J = 0, li = p.length; J < li; J++) {
for (let Ce = 0; Ce < T.length; Ce++)
if (T[Ce] === p[J]) {
T.splice(Ce, 1);
continue e;
}
l.viewport.classList.add(p[J]), K({ type: p[J] });
}
for (; T.length; )
l.viewport.classList.remove(T.pop());
G && Ye(y), (G || !h) && (k.stopEmbeddedContent(h), k.startEmbeddedContent(u)), requestAnimationFrame(() => {
Te(me(u));
}), j.update(), X.update(), _.update(), L.update(), L.updateParallax(), B.update(), C.update(), x.writeURL(), ce(), Z && (setTimeout(() => {
l.slides.classList.remove("disable-slide-transitions");
}, 0), t.autoAnimate && W.run(h, u));
}
function Ne(a, d, v, y) {
return a.hasAttribute("data-auto-animate") && d.hasAttribute("data-auto-animate") && a.getAttribute("data-auto-animate-id") === d.getAttribute("data-auto-animate-id") && !(r > v || o > y ? d : a).hasAttribute("data-auto-animate-restart");
}
function Qt(a, d, v) {
let y = r || 0;
r = d, o = v;
const w = u !== a;
h = u, u = a, u && h && t.autoAnimate && Ne(h, u, y, o) && W.run(h, u), w && (h && (k.stopEmbeddedContent(h), k.stopEmbeddedContent(h.slideBackgroundElement)), k.startEmbeddedContent(u), k.startEmbeddedContent(u.slideBackgroundElement)), requestAnimationFrame(() => {
Te(me(u));
}), Ye();
}
function at() {
ye(), _e(), de(), M = t.autoSlide, ce(), L.create(), x.writeURL(), t.sortFragmentsOnSync === !0 && C.sortAll(), X.update(), j.update(), He(), _.update(), _.updateVisibility(), H.update(), L.update(!0), B.update(), k.formatEmbeddedContent(), t.autoPlayMedia === !1 ? k.stopEmbeddedContent(u, { unloadIframes: !1 }) : k.startEmbeddedContent(u), f.isActive() && f.layout();
}
function Zt(a = u) {
L.sync(a), C.sync(a), k.load(a), L.update(), _.update();
}
function ei() {
te().forEach((a) => {
E(a, "section").forEach((d, v) => {
v > 0 && (d.classList.remove("present"), d.classList.remove("past"), d.classList.add("future"), d.setAttribute("aria-hidden", "true"));
});
});
}
function Be(a = te()) {
a.forEach((d, v) => {
let y = a[Math.floor(Math.random() * a.length)];
y.parentNode === d.parentNode && d.parentNode.insertBefore(d, y);
let w = d.querySelectorAll("section");
w.length && Be(w);
});
}
function rt(a, d) {
let v = E(l.wrapper, a), y = v.length, w = A.isActive() || F.isActive(), P = !1, T = !1;
if (y) {
t.loop && (d >= y && (P = !0), d %= y, d < 0 && (d = y + d, T = !0)), d = Math.max(Math.min(d, y - 1), 0);
for (let $ = 0; $ < y; $++) {
let I = v[$], Z = t.rtl && !ge(I);
if (I.classList.remove("past"), I.classList.remove("present"), I.classList.remove("future"), I.setAttribute("hidden", ""), I.setAttribute("aria-hidden", "true"), I.querySelector("section") && I.classList.add("stack"), w) {
I.classList.add("present");
continue;
}
$ < d ? (I.classList.add(Z ? "future" : "past"), t.fragments && nt(I)) : $ > d ? (I.classList.add(Z ? "past" : "future"), t.fragments && ot(I)) : $ === d && t.fragments && (P ? ot(I) : T && nt(I));
}
let N = v[d], ne = N.classList.contains("present");
N.classList.add("present"), N.removeAttribute("hidden"), N.removeAttribute("aria-hidden"), ne || K({
target: N,
type: "visible",
bubbles: !1
});
let G = N.getAttribute("data-state");
G && (p = p.concat(G.split(" ")));
} else
d = 0;
return d;
}
function nt(a) {
E(a, ".fragment").forEach((d) => {
d.classList.add("visible"), d.classList.remove("current-fragment");
});
}
function ot(a) {
E(a, ".fragment.visible").forEach((d) => {
d.classList.remove("visible", "current-fragment");
});
}
function He() {
let a = te(), d = a.length, v, y;
if (d && typeof r < "u") {
const w = f.isActive();
let P = w ? 10 : t.viewDistance;
fe && (P = w ? 6 : t.mobileViewDistance), F.isActive() && (P = Number.MAX_VALUE);
for (let T = 0; T < d; T++) {
let N = a[T], ne = E(N, "section"), G = ne.length;
if (v = Math.abs((r || 0) - T) || 0, t.loop && (v = Math.abs(((r || 0) - T) % (d - P)) || 0), v < P ? k.load(N) : k.unload(N), G) {
let $ = w ? 0 : Ze(N);
for (let I = 0; I < G; I++) {
let Z = ne[I];
y = Math.abs(T === (r || 0) ? (o || 0) - I : I - $), v + y < P ? k.load(Z) : k.unload(Z);
}
}
}
ut() ? l.wrapper.classList.add("has-vertical-slides") : l.wrapper.classList.remove("has-vertical-slides"), ht() ? l.wrapper.classList.add("has-horizontal-slides") : l.wrapper.classList.remove("has-horizontal-slides");
}
}
function Q({ includeFragments: a = !1 } = {}) {
let d = l.wrapper.querySelectorAll(ie), v = l.wrapper.querySelectorAll(kt), y = {
left: r > 0,
right: r < d.length - 1,
up: o > 0,
down: o < v.length - 1
};
if (t.loop && (d.length > 1 && (y.left = !0, y.right = !0), v.length > 1 && (y.up = !0, y.down = !0)), d.length > 1 && t.navigationMode === "linear" && (y.right = y.right || y.down, y.left = y.left || y.up), a === !0) {
let w = C.availableRoutes();
y.left = y.left || w.prev, y.up = y.up || w.prev, y.down = y.down || w.next, y.right = y.right || w.next;
}
if (t.rtl) {
let w = y.left;
y.left = y.right, y.right = w;
}
return y;
}
function lt(a = u) {
let d = te(), v = 0;
e: for (let y = 0; y < d.length; y++) {
let w = d[y], P = w.querySelectorAll("section");
for (let T = 0; T < P.length; T++) {
if (P[T] === a)
break e;
P[T].dataset.visibility !== "uncounted" && v++;
}
if (w === a)
break;
w.classList.contains("stack") === !1 && w.dataset.visibility !== "uncounted" && v++;
}
return v;
}
function ti() {
let a = ft(), d = lt();
if (u) {
let v = u.querySelectorAll(".fragment");
if (v.length > 0) {
let y = u.querySelectorAll(".fragment.visible");
d += y.length / v.length * 0.9;
}
}
return Math.min(d / (a - 1), 1);
}
function dt(a) {
let d = r, v = o, y;
if (a)
if (A.isActive())
d = parseInt(a.getAttribute("data-index-h"), 10), a.getAttribute("data-index-v") && (v = parseInt(a.getAttribute("data-index-v"), 10));
else {
let w = ge(a), P = w ? a.parentNode : a, T = te();
d = Math.max(T.indexOf(P), 0), v = void 0, w && (v = Math.max(E(a.parentNode, "section").indexOf(a), 0));
}
if (!a && u && u.querySelectorAll(".fragment").length > 0) {
let P = u.querySelector(".current-fragment");
P && P.hasAttribute("data-fragment-index") ? y = parseInt(P.getAttribute("data-fragment-index"), 10) : y = u.querySelectorAll(".fragment.visible").length - 1;
}
return { h: d, v, f: y };
}
function De() {
return E(l.wrapper, oe + ':not(.stack):not([data-visibility="uncounted"])');
}
function te() {
return E(l.wrapper, ie);
}
function ct() {
return E(l.wrapper, ".slides>section>section");
}
function ii() {
return E(l.wrapper, ie + ".stack");
}
function ht() {
return te().length > 1;
}
function ut() {
return ct().length > 1;
}
function si() {
return De().map((a) => {
let d = {};
for (let v = 0; v < a.attributes.length; v++) {
let y = a.attributes[v];
d[y.name] = y.value;
}
return d;
});
}
function ft() {
return De().length;
}
function gt(a, d) {
let v = te()[a], y = v && v.querySelectorAll("section");
return y && y.length && typeof d == "number" ? y ? y[d] : void 0 : v;
}
function ai(a, d) {
let v = typeof a == "number" ? gt(a, d) : a;
if (v)
return v.slideBackgroundElement;
}
function pt() {
let a = dt();
return {
indexh: a.h,
indexv: a.v,
indexf: a.f,
paused: ve(),
overview: f.isActive(),
...H.getState()
};
}
function ri(a) {
if (typeof a == "object") {
Y(he(a.indexh), he(a.indexv), he(a.indexf));
let d = he(a.paused), v = he(a.overview);
typeof d == "boolean" && d !== ve() && st(d), typeof v == "boolean" && v !== f.isActive() && f.toggle(v), H.setState(a);
}
}
function ce() {
if (we(), u && t.autoSlide !== !1) {
let a = u.querySelector(".current-fragment[data-autoslide]"), d = a ? a.getAttribute("data-autoslide") : null, v = u.parentNode ? u.parentNode.getAttribute("data-autoslide") : null, y = u.getAttribute("data-autoslide");
d ? M = parseInt(d, 10) : y ? M = parseInt(y, 10) : v ? M = parseInt(v, 10) : (M = t.autoSlide, u.querySelectorAll(".fragment").length === 0 && E(u, "video, audio").forEach((w) => {
w.hasAttribute("data-autoplay") && M && w.duration * 1e3 / w.playbackRate > M && (M = w.duration * 1e3 / w.playbackRate + 1e3);
})), M && !z && !ve() && !f.isActive() && (!Me() || C.availableRoutes().next || t.loop === !0) && (q = setTimeout(() => {
typeof t.autoSlideMethod == "function" ? t.autoSlideMethod() : Ve(), ce();
}, M), ae = Date.now()), O && O.setPlaying(q !== -1);
}
}
function we() {
clearTimeout(q), q = -1;
}
function Ee() {
M && !z && (z = !0, K({ type: "autoslidepaused" }), clearTimeout(q), O && O.setPlaying(!1));
}
function Se() {
M && z && (z = !1, K({ type: "autoslideresumed" }), ce());
}
function Re({ skipFragments: a = !1 } = {}) {
if (g.hasNavigatedHorizontally = !0, A.isActive()) return A.prev();
t.rtl ? (f.isActive() || a || C.next() === !1) && Q().left && Y(r + 1, t.navigationMode === "grid" ? o : void 0) : (f.isActive() || a || C.prev() === !1) && Q().left && Y(r - 1, t.navigationMode === "grid" ? o : void 0);
}
function Ae({ skipFragments: a = !1 } = {}) {
if (g.hasNavigatedHorizontally = !0, A.isActive()) return A.next();
t.rtl ? (f.isActive() || a || C.prev() === !1) && Q().right && Y(r - 1, t.navigationMode === "grid" ? o : void 0) : (f.isActive() || a || C.next() === !1) && Q().right && Y(r + 1, t.navigationMode === "grid" ? o : void 0);
}
function Fe({ skipFragments: a = !1 } = {}) {
if (A.isActive()) return A.prev();
(f.isActive() || a || C.prev() === !1) && Q().up && Y(r, o - 1);
}
function ze({ skipFragments: a = !1 } = {}) {
if (g.hasNavigatedVertically = !0, A.isActive()) return A.next();
(f.isActive() || a || C.next() === !1) && Q().down && Y(r, o + 1);
}
function vt({ skipFragments: a = !1 } = {}) {
if (A.isActive()) return A.prev();
if (a || C.prev() === !1)
if (Q().up)
Fe({ skipFragments: a });
else {
let d;
if (t.rtl ? d = E(l.wrapper, ie + ".future").pop() : d = E(l.wrapper, ie + ".past").pop(), d && d.classList.contains("stack")) {
let v = d.querySelectorAll("section").length - 1 || void 0, y = r - 1;
Y(y, v);
} else t.rtl ? Ae({ skipFragments: a }) : Re({ skipFragments: a });
}
}
function Ve({ skipFragments: a = !1 } = {}) {
if (g.hasNavigatedHorizontally = !0, g.hasNavigatedVertically = !0, A.isActive()) return A.next();
if (a || C.next() === !1) {
let d = Q();
d.down && d.right && t.loop && et() && (d.down = !1), d.down ? ze({ skipFragments: a }) : t.rtl ? Re({ skipFragments: a }) : Ae({ skipFragments: a });
}
}
function ni(a) {
t.autoSlideStoppable && Ee();
}
function mt(a) {
let d = a.data;
if (typeof d == "string" && d.charAt(0) === "{" && d.charAt(d.length - 1) === "}" && (d = JSON.parse(d), d.method && typeof i[d.method] == "function"))
if (bi.test(d.method) === !1) {
const v = i[d.method].apply(i, d.args);
Ge("callback", { method: d.method, result: v });
} else
console.warn('reveal.js: "' + d.method + '" is is blacklisted from the postMessage API');
}
function yt(a) {
R === "running" && /section/gi.test(a.target.nodeName) && (R = "idle", K({
type: "slidetransitionend",
data: { indexh: r, indexv: o, previousSlide: h, currentSlide: u }
}));
}
function bt(a) {
const d = V(a.target, 'a[href^="#"]');
if (d) {
const v = d.getAttribute("href"), y = x.getIndicesFromHash(v);
y && (i.slide(y.h, y.v, y.f), a.preventDefault());
}
}
function wt(a) {
de();
}
function Et(a) {
document.hidden === !1 && document.activeElement !== document.body && (typeof document.activeElement.blur == "function" && document.activeElement.blur(), document.body.focus());
}
function ke(a) {
(document.fullscreenElement || document.webkitFullscreenElement) === l.wrapper && (a.stopImmediatePropagation(), setTimeout(() => {
i.layout(), i.focus.focus();
}, 1));
}
function oi(a) {
Me() && t.loop === !1 ? (Y(0, 0), Se()) : z ? Se() : Ee();
}
const St = {
VERSION: Nt,
initialize: Dt,
configure: Ke,
destroy: _t,
sync: at,
syncSlide: Zt,
syncFragments: C.sync.bind(C),
// Navigation methods
slide: Y,
left: Re,
right: Ae,
up: Fe,
down: ze,
prev: vt,
next: Ve,
// Navigation aliases
navigateLeft: Re,
navigateRight: Ae,
navigateUp: Fe,
navigateDown: ze,
navigatePrev: vt,
navigateNext: Ve,
// Fragment methods
navigateFragment: C.goto.bind(C),
prevFragment: C.prev.bind(C),
nextFragment: C.next.bind(C),
// Event binding
on: $e,
off: Xe,
// Legacy event binding methods left in for backwards compatibility
addEventListener: $e,
removeEventListener: Xe,
// Forces an update in slide layout
layout: de,
// Randomizes the order of slides
shuffle: Be,
// Returns an object with the available routes as booleans (left/right/top/bottom)
availableRoutes: Q,
// Returns an object with the available fragments as booleans (prev/next)
availableFragments: C.availableRoutes.bind(C),
// Toggles a help overlay with keyboard shortcuts
toggleHelp: H.toggleHelp.bind(H),
// Toggles the overview mode on/off
toggleOverview: f.toggle.bind(f),
// Toggles the scroll view on/off
toggleScrollView: A.toggle.bind(A),
// Toggles the "black screen" mode on/off
togglePause: st,
// Toggles the auto slide mode on/off
toggleAutoSlide: Gt,
// Toggles visibility of the jump-to-slide UI
toggleJumpToSlide: Yt,
// Slide navigation checks
isFirstSlide: tt,
isLastSlide: Me,
isLastVerticalSlide: et,
isVerticalSlide: ge,
isVerticalStack: Xt,
// State checks
isPaused: ve,
isAutoSliding: Jt,
isSpeakerNotes: _.isSpeakerNotesWindow.bind(_),
isOverview: f.isActive.bind(f),
isFocused: re.isFocused.bind(re),
isOverlayOpen: H.isOpen.bind(H),
isScrollView: A.isActive.bind(A),
isPrintView: F.isActive.bind(F),
// Checks if reveal.js has been loaded and is ready for use
isReady: () => n,
// Slide preloading
loadSlide: k.load.bind(k),
unloadSlide: k.unload.bind(k),
// Start/stop all media inside of the current slide
startEmbeddedContent: () => k.startEmbeddedContent(u),
stopEmbeddedContent: () => k.stopEmbeddedContent(u, { unloadIframes: !1 }),
// Lightbox previews
previewIframe: H.previewIframe.bind(H),
previewImage: H.previewImage.bind(H),
previewVideo: H.previewVideo.bind(H),
showPreview: H.previewIframe.bind(H),
// deprecated in favor of showIframeLightbox
hidePreview: H.close.bind(H),
// Adds or removes all internal event listeners
addEventListeners: _e,
removeEventListeners: ye,
dispatchEvent: K,
// Facility for persisting and restoring the presentation state
getState: pt,
setState: ri,
// Presentation progress on range of 0-1
getProgress: ti,
// Returns the indices of the current, or specified, slide
getIndices: dt,
// Returns an Array of key:value maps of the attributes of each
// slide in the deck
getSlidesAttributes: si,
// Returns the number of slides that we have passed
getSlidePastCount: lt,
// Returns the total number of slides
getTotalSlides: ft,
// Returns the slide element at the specified index
getSlide: gt,
// Returns the previous slide element, may be null
getPreviousSlide: () => h,
// Returns the current slide element
getCurrentSlide: () => u,
// Returns the slide background element at the specified index
getSlideBackground: ai,
// Returns the speaker notes string for a slide, or null
getSlideNotes: _.getSlideNotes.bind(_),
// Returns an Array of all slides
getSlides: De,
// Returns an array with all horizontal/vertical slides in the deck
getHorizontalSlides: te,
getVerticalSlides: ct,
// Checks if the presentation contains two or more horizontal
// and vertical slides
hasHorizontalSlides: ht,
hasVerticalSlides: ut,
// Checks if the deck has navigated on either axis at least once
hasNavigatedHorizontally: () => g.hasNavigatedHorizontally,
hasNavigatedVertically: () => g.hasNavigatedVertically,
shouldAutoAnimateBetween: Ne,
// Adds/removes a custom key binding
addKeyBinding: S.addKeyBinding.bind(S),
removeKeyBinding: S.removeKeyBinding.bind(S),
// Programmatically triggers a keyboard event
triggerKey: S.triggerKey.bind(S),
// Registers a new shortcut to include in the help overlay
registerKeyboardShortcut: S.registerKeyboardShortcut.bind(S),
getComputedSlideSize: be,
setCurrentScrollPage: Qt,
// Returns the current scale of the presentation content
getScale: () => m,
// Returns the current configuration object
getConfig: () => t,
// Helper method, retrieves query string as a key:value map
getQueryHash: At,
// Returns the path to the current slide as represented in the URL
getSlidePath: x.getHash.bind(x),
// Returns reveal.js DOM elements
getRevealElement: () => c,
getSlidesElement: () => l.slides,
getViewportElement: () => l.viewport,
getBackgroundsElement: () => L.element,
// API for registering and retrieving plugins
registerPlugin: D.registerPlugin.bind(D),
hasPlugin: D.hasPlugin.bind(D),
getPlugin: D.getPlugin.bind(D),
getPlugins: D.getRegisteredPlugins.bind(D)
};
return ue(i, {
...St,
// Methods for announcing content to screen readers
announceStatus: Te,
getStatusText: me,
// Controllers
focus: re,
scroll: A,
progress: j,
controls: X,
location: x,
overview: f,
keyboard: S,
fragments: C,
backgrounds: L,
slideContent: k,
slideNumber: B,
onUserInput: ni,
closeOverlay: H.close.bind(H),
updateSlidesVisibility: He,
layoutSlideContents: Je,
transformSlides: Ie,
cueAutoSlide: ce,
cancelAutoSlide: we
}), St;
}
const le = Bt, Ht = [];
le.initialize = (c) => (Object.assign(le, new Bt(document.querySelector(".reveal"), c)), Ht.map((e) => e(le)), le.initialize());
["configure", "on", "off", "addEventListener", "removeEventListener", "registerPlugin"].forEach(
(c) => {
le[c] = (...e) => {
Ht.push((i) => i[c].call(null, ...e));
};
}
);
le.isReady = () => !1;
le.VERSION = Nt;
export {
le as default
};