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) ? `
` : `
`;
}
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["→ , ↓ , SPACE , N , L , J"] = "Next slide", this.shortcuts["← , ↑ , P , H , K"] = "Previous slide") : (this.shortcuts["N , SPACE"] = "Next slide", this.shortcuts["P , Shift SPACE"] = "Previous slide", this.shortcuts["← , H"] = "Navigate left", this.shortcuts["→ , L"] = "Navigate right", this.shortcuts["↑ , K"] = "Navigate up", this.shortcuts["↓ , J"] = "Navigate down"), this.shortcuts["Alt + ←/↑/→/↓"] = "Navigate without fragments", this.shortcuts["Shift + ←/↑/→/↓"] = "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 = `
`, 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 = `
Keyboard Shortcuts
', i = this.Reveal.keyboard.getShortcuts(), t = this.Reveal.keyboard.getBindings(); e += "KEY | ACTION | "; for (let s in i) e += `
---|---|
${s} | ${i[s]} |
${t[s].key} | ${t[s].description} |