@caspingus/lt
Version:
A utility library of helpers and extensions useful when working with Learnosity APIs.
967 lines • 62.6 kB
JavaScript
import { t as e } from "../../chunk-BPfpcrXh.js";
import { r as t, t as n } from "../../extensionsFactory-hk5ijx1G.js";
//#endregion
//#region src/assessment/extensions/accessibility/ux/whiteNoise/index.js
var r = (/* @__PURE__ */ e(((e) => {
(function() {
var t = function() {
this.init();
};
t.prototype = {
init: function() {
var e = this || n;
return e._counter = 1e3, e._html5AudioPool = [], e.html5PoolSize = 10, e._codecs = {}, e._howls = [], e._muted = !1, e._volume = 1, e._canPlayEvent = "canplaythrough", e._navigator = typeof window < "u" && window.navigator ? window.navigator : null, e.masterGain = null, e.noAudio = !1, e.usingWebAudio = !0, e.autoSuspend = !0, e.ctx = null, e.autoUnlock = !0, e._setup(), e;
},
volume: function(e) {
var t = this || n;
if (e = parseFloat(e), t.ctx || u(), e !== void 0 && e >= 0 && e <= 1) {
if (t._volume = e, t._muted) return t;
t.usingWebAudio && t.masterGain.gain.setValueAtTime(e, n.ctx.currentTime);
for (var r = 0; r < t._howls.length; r++) if (!t._howls[r]._webAudio) for (var i = t._howls[r]._getSoundIds(), a = 0; a < i.length; a++) {
var o = t._howls[r]._soundById(i[a]);
o && o._node && (o._node.volume = o._volume * e);
}
return t;
}
return t._volume;
},
mute: function(e) {
var t = this || n;
t.ctx || u(), t._muted = e, t.usingWebAudio && t.masterGain.gain.setValueAtTime(e ? 0 : t._volume, n.ctx.currentTime);
for (var r = 0; r < t._howls.length; r++) if (!t._howls[r]._webAudio) for (var i = t._howls[r]._getSoundIds(), a = 0; a < i.length; a++) {
var o = t._howls[r]._soundById(i[a]);
o && o._node && (o._node.muted = e ? !0 : o._muted);
}
return t;
},
stop: function() {
for (var e = this || n, t = 0; t < e._howls.length; t++) e._howls[t].stop();
return e;
},
unload: function() {
for (var e = this || n, t = e._howls.length - 1; t >= 0; t--) e._howls[t].unload();
return e.usingWebAudio && e.ctx && e.ctx.close !== void 0 && (e.ctx.close(), e.ctx = null, u()), e;
},
codecs: function(e) {
return (this || n)._codecs[e.replace(/^x-/, "")];
},
_setup: function() {
var e = this || n;
if (e.state = e.ctx && e.ctx.state || "suspended", e._autoSuspend(), !e.usingWebAudio) if (typeof Audio < "u") try {
var t = new Audio();
t.oncanplaythrough === void 0 && (e._canPlayEvent = "canplay");
} catch {
e.noAudio = !0;
}
else e.noAudio = !0;
try {
var t = new Audio();
t.muted && (e.noAudio = !0);
} catch {}
return e.noAudio || e._setupCodecs(), e;
},
_setupCodecs: function() {
var e = this || n, t = null;
try {
t = typeof Audio < "u" ? new Audio() : null;
} catch {
return e;
}
if (!t || typeof t.canPlayType != "function") return e;
var r = t.canPlayType("audio/mpeg;").replace(/^no$/, ""), i = e._navigator ? e._navigator.userAgent : "", a = i.match(/OPR\/(\d+)/g), o = a && parseInt(a[0].split("/")[1], 10) < 33, s = i.indexOf("Safari") !== -1 && i.indexOf("Chrome") === -1, c = i.match(/Version\/(.*?) /), l = s && c && parseInt(c[1], 10) < 15;
return e._codecs = {
mp3: !!(!o && (r || t.canPlayType("audio/mp3;").replace(/^no$/, ""))),
mpeg: !!r,
opus: !!t.canPlayType("audio/ogg; codecs=\"opus\"").replace(/^no$/, ""),
ogg: !!t.canPlayType("audio/ogg; codecs=\"vorbis\"").replace(/^no$/, ""),
oga: !!t.canPlayType("audio/ogg; codecs=\"vorbis\"").replace(/^no$/, ""),
wav: !!(t.canPlayType("audio/wav; codecs=\"1\"") || t.canPlayType("audio/wav")).replace(/^no$/, ""),
aac: !!t.canPlayType("audio/aac;").replace(/^no$/, ""),
caf: !!t.canPlayType("audio/x-caf;").replace(/^no$/, ""),
m4a: !!(t.canPlayType("audio/x-m4a;") || t.canPlayType("audio/m4a;") || t.canPlayType("audio/aac;")).replace(/^no$/, ""),
m4b: !!(t.canPlayType("audio/x-m4b;") || t.canPlayType("audio/m4b;") || t.canPlayType("audio/aac;")).replace(/^no$/, ""),
mp4: !!(t.canPlayType("audio/x-mp4;") || t.canPlayType("audio/mp4;") || t.canPlayType("audio/aac;")).replace(/^no$/, ""),
weba: !!(!l && t.canPlayType("audio/webm; codecs=\"vorbis\"").replace(/^no$/, "")),
webm: !!(!l && t.canPlayType("audio/webm; codecs=\"vorbis\"").replace(/^no$/, "")),
dolby: !!t.canPlayType("audio/mp4; codecs=\"ec-3\"").replace(/^no$/, ""),
flac: !!(t.canPlayType("audio/x-flac;") || t.canPlayType("audio/flac;")).replace(/^no$/, "")
}, e;
},
_unlockAudio: function() {
var e = this || n;
if (!(e._audioUnlocked || !e.ctx)) {
e._audioUnlocked = !1, e.autoUnlock = !1, !e._mobileUnloaded && e.ctx.sampleRate !== 44100 && (e._mobileUnloaded = !0, e.unload()), e._scratchBuffer = e.ctx.createBuffer(1, 1, 22050);
var t = function(n) {
for (; e._html5AudioPool.length < e.html5PoolSize;) try {
var r = new Audio();
r._unlocked = !0, e._releaseHtml5Audio(r);
} catch {
e.noAudio = !0;
break;
}
for (var i = 0; i < e._howls.length; i++) if (!e._howls[i]._webAudio) for (var a = e._howls[i]._getSoundIds(), o = 0; o < a.length; o++) {
var s = e._howls[i]._soundById(a[o]);
s && s._node && !s._node._unlocked && (s._node._unlocked = !0, s._node.load());
}
e._autoResume();
var c = e.ctx.createBufferSource();
c.buffer = e._scratchBuffer, c.connect(e.ctx.destination), c.start === void 0 ? c.noteOn(0) : c.start(0), typeof e.ctx.resume == "function" && e.ctx.resume(), c.onended = function() {
c.disconnect(0), e._audioUnlocked = !0, document.removeEventListener("touchstart", t, !0), document.removeEventListener("touchend", t, !0), document.removeEventListener("click", t, !0), document.removeEventListener("keydown", t, !0);
for (var n = 0; n < e._howls.length; n++) e._howls[n]._emit("unlock");
};
};
return document.addEventListener("touchstart", t, !0), document.addEventListener("touchend", t, !0), document.addEventListener("click", t, !0), document.addEventListener("keydown", t, !0), e;
}
},
_obtainHtml5Audio: function() {
var e = this || n;
if (e._html5AudioPool.length) return e._html5AudioPool.pop();
var t = new Audio().play();
return t && typeof Promise < "u" && (t instanceof Promise || typeof t.then == "function") && t.catch(function() {
console.warn("HTML5 Audio pool exhausted, returning potentially locked audio object.");
}), new Audio();
},
_releaseHtml5Audio: function(e) {
var t = this || n;
return e._unlocked && t._html5AudioPool.push(e), t;
},
_autoSuspend: function() {
var e = this;
if (!(!e.autoSuspend || !e.ctx || e.ctx.suspend === void 0 || !n.usingWebAudio)) {
for (var t = 0; t < e._howls.length; t++) if (e._howls[t]._webAudio) {
for (var r = 0; r < e._howls[t]._sounds.length; r++) if (!e._howls[t]._sounds[r]._paused) return e;
}
return e._suspendTimer && clearTimeout(e._suspendTimer), e._suspendTimer = setTimeout(function() {
if (e.autoSuspend) {
e._suspendTimer = null, e.state = "suspending";
var t = function() {
e.state = "suspended", e._resumeAfterSuspend && (delete e._resumeAfterSuspend, e._autoResume());
};
e.ctx.suspend().then(t, t);
}
}, 3e4), e;
}
},
_autoResume: function() {
var e = this;
if (!(!e.ctx || e.ctx.resume === void 0 || !n.usingWebAudio)) return e.state === "running" && e.ctx.state !== "interrupted" && e._suspendTimer ? (clearTimeout(e._suspendTimer), e._suspendTimer = null) : e.state === "suspended" || e.state === "running" && e.ctx.state === "interrupted" ? (e.ctx.resume().then(function() {
e.state = "running";
for (var t = 0; t < e._howls.length; t++) e._howls[t]._emit("resume");
}), e._suspendTimer &&= (clearTimeout(e._suspendTimer), null)) : e.state === "suspending" && (e._resumeAfterSuspend = !0), e;
}
};
var n = new t(), r = function(e) {
var t = this;
if (!e.src || e.src.length === 0) {
console.error("An array of source files must be passed with any new Howl.");
return;
}
t.init(e);
};
r.prototype = {
init: function(e) {
var t = this;
return n.ctx || u(), t._autoplay = e.autoplay || !1, t._format = typeof e.format == "string" ? [e.format] : e.format, t._html5 = e.html5 || !1, t._muted = e.mute || !1, t._loop = e.loop || !1, t._pool = e.pool || 5, t._preload = typeof e.preload == "boolean" || e.preload === "metadata" ? e.preload : !0, t._rate = e.rate || 1, t._sprite = e.sprite || {}, t._src = typeof e.src == "string" ? [e.src] : e.src, t._volume = e.volume === void 0 ? 1 : e.volume, t._xhr = {
method: e.xhr && e.xhr.method ? e.xhr.method : "GET",
headers: e.xhr && e.xhr.headers ? e.xhr.headers : null,
withCredentials: e.xhr && e.xhr.withCredentials ? e.xhr.withCredentials : !1
}, t._duration = 0, t._state = "unloaded", t._sounds = [], t._endTimers = {}, t._queue = [], t._playLock = !1, t._onend = e.onend ? [{ fn: e.onend }] : [], t._onfade = e.onfade ? [{ fn: e.onfade }] : [], t._onload = e.onload ? [{ fn: e.onload }] : [], t._onloaderror = e.onloaderror ? [{ fn: e.onloaderror }] : [], t._onplayerror = e.onplayerror ? [{ fn: e.onplayerror }] : [], t._onpause = e.onpause ? [{ fn: e.onpause }] : [], t._onplay = e.onplay ? [{ fn: e.onplay }] : [], t._onstop = e.onstop ? [{ fn: e.onstop }] : [], t._onmute = e.onmute ? [{ fn: e.onmute }] : [], t._onvolume = e.onvolume ? [{ fn: e.onvolume }] : [], t._onrate = e.onrate ? [{ fn: e.onrate }] : [], t._onseek = e.onseek ? [{ fn: e.onseek }] : [], t._onunlock = e.onunlock ? [{ fn: e.onunlock }] : [], t._onresume = [], t._webAudio = n.usingWebAudio && !t._html5, n.ctx !== void 0 && n.ctx && n.autoUnlock && n._unlockAudio(), n._howls.push(t), t._autoplay && t._queue.push({
event: "play",
action: function() {
t.play();
}
}), t._preload && t._preload !== "none" && t.load(), t;
},
load: function() {
var e = this, t = null;
if (n.noAudio) {
e._emit("loaderror", null, "No audio support.");
return;
}
typeof e._src == "string" && (e._src = [e._src]);
for (var r = 0; r < e._src.length; r++) {
var a, s;
if (e._format && e._format[r]) a = e._format[r];
else {
if (s = e._src[r], typeof s != "string") {
e._emit("loaderror", null, "Non-string found in selected audio sources - ignoring.");
continue;
}
a = /^data:audio\/([^;,]+);/i.exec(s), a ||= /\.([^.]+)$/.exec(s.split("?", 1)[0]), a &&= a[1].toLowerCase();
}
if (a || console.warn("No file extension was found. Consider using the \"format\" property or specify an extension."), a && n.codecs(a)) {
t = e._src[r];
break;
}
}
if (!t) {
e._emit("loaderror", null, "No codec support for selected audio sources.");
return;
}
return e._src = t, e._state = "loading", window.location.protocol === "https:" && t.slice(0, 5) === "http:" && (e._html5 = !0, e._webAudio = !1), new i(e), e._webAudio && o(e), e;
},
play: function(e, t) {
var r = this, i = null;
if (typeof e == "number") i = e, e = null;
else if (typeof e == "string" && r._state === "loaded" && !r._sprite[e]) return null;
else if (e === void 0 && (e = "__default", !r._playLock)) {
for (var a = 0, o = 0; o < r._sounds.length; o++) r._sounds[o]._paused && !r._sounds[o]._ended && (a++, i = r._sounds[o]._id);
a === 1 ? e = null : i = null;
}
var s = i ? r._soundById(i) : r._inactiveSound();
if (!s) return null;
if (i && !e && (e = s._sprite || "__default"), r._state !== "loaded") {
s._sprite = e, s._ended = !1;
var c = s._id;
return r._queue.push({
event: "play",
action: function() {
r.play(c);
}
}), c;
}
if (i && !s._paused) return t || r._loadQueue("play"), s._id;
r._webAudio && n._autoResume();
var l = Math.max(0, s._seek > 0 ? s._seek : r._sprite[e][0] / 1e3), u = Math.max(0, (r._sprite[e][0] + r._sprite[e][1]) / 1e3 - l), d = u * 1e3 / Math.abs(s._rate), f = r._sprite[e][0] / 1e3, p = (r._sprite[e][0] + r._sprite[e][1]) / 1e3;
s._sprite = e, s._ended = !1;
var m = function() {
s._paused = !1, s._seek = l, s._start = f, s._stop = p, s._loop = !!(s._loop || r._sprite[e][2]);
};
if (l >= p) {
r._ended(s);
return;
}
var h = s._node;
if (r._webAudio) {
var g = function() {
r._playLock = !1, m(), r._refreshBuffer(s);
var e = s._muted || r._muted ? 0 : s._volume;
h.gain.setValueAtTime(e, n.ctx.currentTime), s._playStart = n.ctx.currentTime, h.bufferSource.start === void 0 ? s._loop ? h.bufferSource.noteGrainOn(0, l, 86400) : h.bufferSource.noteGrainOn(0, l, u) : s._loop ? h.bufferSource.start(0, l, 86400) : h.bufferSource.start(0, l, u), d !== Infinity && (r._endTimers[s._id] = setTimeout(r._ended.bind(r, s), d)), t || setTimeout(function() {
r._emit("play", s._id), r._loadQueue();
}, 0);
};
n.state === "running" && n.ctx.state !== "interrupted" ? g() : (r._playLock = !0, r.once("resume", g), r._clearTimer(s._id));
} else {
var _ = function() {
h.currentTime = l, h.muted = s._muted || r._muted || n._muted || h.muted, h.volume = s._volume * n.volume(), h.playbackRate = s._rate;
try {
var i = h.play();
if (i && typeof Promise < "u" && (i instanceof Promise || typeof i.then == "function") ? (r._playLock = !0, m(), i.then(function() {
r._playLock = !1, h._unlocked = !0, t ? r._loadQueue() : r._emit("play", s._id);
}).catch(function() {
r._playLock = !1, r._emit("playerror", s._id, "Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction."), s._ended = !0, s._paused = !0;
})) : t || (r._playLock = !1, m(), r._emit("play", s._id)), h.playbackRate = s._rate, h.paused) {
r._emit("playerror", s._id, "Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction.");
return;
}
e !== "__default" || s._loop ? r._endTimers[s._id] = setTimeout(r._ended.bind(r, s), d) : (r._endTimers[s._id] = function() {
r._ended(s), h.removeEventListener("ended", r._endTimers[s._id], !1);
}, h.addEventListener("ended", r._endTimers[s._id], !1));
} catch (e) {
r._emit("playerror", s._id, e);
}
};
h.src === "data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA" && (h.src = r._src, h.load());
var v = window && window.ejecta || !h.readyState && n._navigator.isCocoonJS;
if (h.readyState >= 3 || v) _();
else {
r._playLock = !0, r._state = "loading";
var y = function() {
r._state = "loaded", _(), h.removeEventListener(n._canPlayEvent, y, !1);
};
h.addEventListener(n._canPlayEvent, y, !1), r._clearTimer(s._id);
}
}
return s._id;
},
pause: function(e) {
var t = this;
if (t._state !== "loaded" || t._playLock) return t._queue.push({
event: "pause",
action: function() {
t.pause(e);
}
}), t;
for (var n = t._getSoundIds(e), r = 0; r < n.length; r++) {
t._clearTimer(n[r]);
var i = t._soundById(n[r]);
if (i && !i._paused && (i._seek = t.seek(n[r]), i._rateSeek = 0, i._paused = !0, t._stopFade(n[r]), i._node)) if (t._webAudio) {
if (!i._node.bufferSource) continue;
i._node.bufferSource.stop === void 0 ? i._node.bufferSource.noteOff(0) : i._node.bufferSource.stop(0), t._cleanBuffer(i._node);
} else (!isNaN(i._node.duration) || i._node.duration === Infinity) && i._node.pause();
arguments[1] || t._emit("pause", i ? i._id : null);
}
return t;
},
stop: function(e, t) {
var n = this;
if (n._state !== "loaded" || n._playLock) return n._queue.push({
event: "stop",
action: function() {
n.stop(e);
}
}), n;
for (var r = n._getSoundIds(e), i = 0; i < r.length; i++) {
n._clearTimer(r[i]);
var a = n._soundById(r[i]);
a && (a._seek = a._start || 0, a._rateSeek = 0, a._paused = !0, a._ended = !0, n._stopFade(r[i]), a._node && (n._webAudio ? a._node.bufferSource && (a._node.bufferSource.stop === void 0 ? a._node.bufferSource.noteOff(0) : a._node.bufferSource.stop(0), n._cleanBuffer(a._node)) : (!isNaN(a._node.duration) || a._node.duration === Infinity) && (a._node.currentTime = a._start || 0, a._node.pause(), a._node.duration === Infinity && n._clearSound(a._node))), t || n._emit("stop", a._id));
}
return n;
},
mute: function(e, t) {
var r = this;
if (r._state !== "loaded" || r._playLock) return r._queue.push({
event: "mute",
action: function() {
r.mute(e, t);
}
}), r;
if (t === void 0) if (typeof e == "boolean") r._muted = e;
else return r._muted;
for (var i = r._getSoundIds(t), a = 0; a < i.length; a++) {
var o = r._soundById(i[a]);
o && (o._muted = e, o._interval && r._stopFade(o._id), r._webAudio && o._node ? o._node.gain.setValueAtTime(e ? 0 : o._volume, n.ctx.currentTime) : o._node && (o._node.muted = n._muted ? !0 : e), r._emit("mute", o._id));
}
return r;
},
volume: function() {
var e = this, t = arguments, r, i;
if (t.length === 0) return e._volume;
t.length === 1 || t.length === 2 && t[1] === void 0 ? e._getSoundIds().indexOf(t[0]) >= 0 ? i = parseInt(t[0], 10) : r = parseFloat(t[0]) : t.length >= 2 && (r = parseFloat(t[0]), i = parseInt(t[1], 10));
var a;
if (r !== void 0 && r >= 0 && r <= 1) {
if (e._state !== "loaded" || e._playLock) return e._queue.push({
event: "volume",
action: function() {
e.volume.apply(e, t);
}
}), e;
i === void 0 && (e._volume = r), i = e._getSoundIds(i);
for (var o = 0; o < i.length; o++) a = e._soundById(i[o]), a && (a._volume = r, t[2] || e._stopFade(i[o]), e._webAudio && a._node && !a._muted ? a._node.gain.setValueAtTime(r, n.ctx.currentTime) : a._node && !a._muted && (a._node.volume = r * n.volume()), e._emit("volume", a._id));
} else return a = i ? e._soundById(i) : e._sounds[0], a ? a._volume : 0;
return e;
},
fade: function(e, t, r, i) {
var a = this;
if (a._state !== "loaded" || a._playLock) return a._queue.push({
event: "fade",
action: function() {
a.fade(e, t, r, i);
}
}), a;
e = Math.min(Math.max(0, parseFloat(e)), 1), t = Math.min(Math.max(0, parseFloat(t)), 1), r = parseFloat(r), a.volume(e, i);
for (var o = a._getSoundIds(i), s = 0; s < o.length; s++) {
var c = a._soundById(o[s]);
if (c) {
if (i || a._stopFade(o[s]), a._webAudio && !c._muted) {
var l = n.ctx.currentTime, u = l + r / 1e3;
c._volume = e, c._node.gain.setValueAtTime(e, l), c._node.gain.linearRampToValueAtTime(t, u);
}
a._startFadeInterval(c, e, t, r, o[s], i === void 0);
}
}
return a;
},
_startFadeInterval: function(e, t, n, r, i, a) {
var o = this, s = t, c = n - t, l = Math.abs(c / .01), u = Math.max(4, l > 0 ? r / l : r), d = Date.now();
e._fadeTo = n, e._interval = setInterval(function() {
var i = (Date.now() - d) / r;
d = Date.now(), s += c * i, s = Math.round(s * 100) / 100, s = c < 0 ? Math.max(n, s) : Math.min(n, s), o._webAudio ? e._volume = s : o.volume(s, e._id, !0), a && (o._volume = s), (n < t && s <= n || n > t && s >= n) && (clearInterval(e._interval), e._interval = null, e._fadeTo = null, o.volume(n, e._id), o._emit("fade", e._id));
}, u);
},
_stopFade: function(e) {
var t = this, r = t._soundById(e);
return r && r._interval && (t._webAudio && r._node.gain.cancelScheduledValues(n.ctx.currentTime), clearInterval(r._interval), r._interval = null, t.volume(r._fadeTo, e), r._fadeTo = null, t._emit("fade", e)), t;
},
loop: function() {
var e = this, t = arguments, n, r, i;
if (t.length === 0) return e._loop;
if (t.length === 1) if (typeof t[0] == "boolean") n = t[0], e._loop = n;
else return i = e._soundById(parseInt(t[0], 10)), i ? i._loop : !1;
else t.length === 2 && (n = t[0], r = parseInt(t[1], 10));
for (var a = e._getSoundIds(r), o = 0; o < a.length; o++) i = e._soundById(a[o]), i && (i._loop = n, e._webAudio && i._node && i._node.bufferSource && (i._node.bufferSource.loop = n, n && (i._node.bufferSource.loopStart = i._start || 0, i._node.bufferSource.loopEnd = i._stop, e.playing(a[o]) && (e.pause(a[o], !0), e.play(a[o], !0)))));
return e;
},
rate: function() {
var e = this, t = arguments, r, i;
t.length === 0 ? i = e._sounds[0]._id : t.length === 1 ? e._getSoundIds().indexOf(t[0]) >= 0 ? i = parseInt(t[0], 10) : r = parseFloat(t[0]) : t.length === 2 && (r = parseFloat(t[0]), i = parseInt(t[1], 10));
var a;
if (typeof r == "number") {
if (e._state !== "loaded" || e._playLock) return e._queue.push({
event: "rate",
action: function() {
e.rate.apply(e, t);
}
}), e;
i === void 0 && (e._rate = r), i = e._getSoundIds(i);
for (var o = 0; o < i.length; o++) if (a = e._soundById(i[o]), a) {
e.playing(i[o]) && (a._rateSeek = e.seek(i[o]), a._playStart = e._webAudio ? n.ctx.currentTime : a._playStart), a._rate = r, e._webAudio && a._node && a._node.bufferSource ? a._node.bufferSource.playbackRate.setValueAtTime(r, n.ctx.currentTime) : a._node && (a._node.playbackRate = r);
var s = e.seek(i[o]), c = ((e._sprite[a._sprite][0] + e._sprite[a._sprite][1]) / 1e3 - s) * 1e3 / Math.abs(a._rate);
(e._endTimers[i[o]] || !a._paused) && (e._clearTimer(i[o]), e._endTimers[i[o]] = setTimeout(e._ended.bind(e, a), c)), e._emit("rate", a._id);
}
} else return a = e._soundById(i), a ? a._rate : e._rate;
return e;
},
seek: function() {
var e = this, t = arguments, r, i;
if (t.length === 0 ? e._sounds.length && (i = e._sounds[0]._id) : t.length === 1 ? e._getSoundIds().indexOf(t[0]) >= 0 ? i = parseInt(t[0], 10) : e._sounds.length && (i = e._sounds[0]._id, r = parseFloat(t[0])) : t.length === 2 && (r = parseFloat(t[0]), i = parseInt(t[1], 10)), i === void 0) return 0;
if (typeof r == "number" && (e._state !== "loaded" || e._playLock)) return e._queue.push({
event: "seek",
action: function() {
e.seek.apply(e, t);
}
}), e;
var a = e._soundById(i);
if (a) if (typeof r == "number" && r >= 0) {
var o = e.playing(i);
o && e.pause(i, !0), a._seek = r, a._ended = !1, e._clearTimer(i), !e._webAudio && a._node && !isNaN(a._node.duration) && (a._node.currentTime = r);
var s = function() {
o && e.play(i, !0), e._emit("seek", i);
};
if (o && !e._webAudio) {
var c = function() {
e._playLock ? setTimeout(c, 0) : s();
};
setTimeout(c, 0);
} else s();
} else if (e._webAudio) {
var l = e.playing(i) ? n.ctx.currentTime - a._playStart : 0, u = a._rateSeek ? a._rateSeek - a._seek : 0;
return a._seek + (u + l * Math.abs(a._rate));
} else return a._node.currentTime;
return e;
},
playing: function(e) {
var t = this;
if (typeof e == "number") {
var n = t._soundById(e);
return n ? !n._paused : !1;
}
for (var r = 0; r < t._sounds.length; r++) if (!t._sounds[r]._paused) return !0;
return !1;
},
duration: function(e) {
var t = this, n = t._duration, r = t._soundById(e);
return r && (n = t._sprite[r._sprite][1] / 1e3), n;
},
state: function() {
return this._state;
},
unload: function() {
for (var e = this, t = e._sounds, r = 0; r < t.length; r++) t[r]._paused || e.stop(t[r]._id), e._webAudio || (e._clearSound(t[r]._node), t[r]._node.removeEventListener("error", t[r]._errorFn, !1), t[r]._node.removeEventListener(n._canPlayEvent, t[r]._loadFn, !1), t[r]._node.removeEventListener("ended", t[r]._endFn, !1), n._releaseHtml5Audio(t[r]._node)), delete t[r]._node, e._clearTimer(t[r]._id);
var i = n._howls.indexOf(e);
i >= 0 && n._howls.splice(i, 1);
var o = !0;
for (r = 0; r < n._howls.length; r++) if (n._howls[r]._src === e._src || e._src.indexOf(n._howls[r]._src) >= 0) {
o = !1;
break;
}
return a && o && delete a[e._src], n.noAudio = !1, e._state = "unloaded", e._sounds = [], e = null, null;
},
on: function(e, t, n, r) {
var i = this, a = i["_on" + e];
return typeof t == "function" && a.push(r ? {
id: n,
fn: t,
once: r
} : {
id: n,
fn: t
}), i;
},
off: function(e, t, n) {
var r = this, i = r["_on" + e], a = 0;
if (typeof t == "number" && (n = t, t = null), t || n) for (a = 0; a < i.length; a++) {
var o = n === i[a].id;
if (t === i[a].fn && o || !t && o) {
i.splice(a, 1);
break;
}
}
else if (e) r["_on" + e] = [];
else {
var s = Object.keys(r);
for (a = 0; a < s.length; a++) s[a].indexOf("_on") === 0 && Array.isArray(r[s[a]]) && (r[s[a]] = []);
}
return r;
},
once: function(e, t, n) {
var r = this;
return r.on(e, t, n, 1), r;
},
_emit: function(e, t, n) {
for (var r = this, i = r["_on" + e], a = i.length - 1; a >= 0; a--) (!i[a].id || i[a].id === t || e === "load") && (setTimeout(function(e) {
e.call(this, t, n);
}.bind(r, i[a].fn), 0), i[a].once && r.off(e, i[a].fn, i[a].id));
return r._loadQueue(e), r;
},
_loadQueue: function(e) {
var t = this;
if (t._queue.length > 0) {
var n = t._queue[0];
n.event === e && (t._queue.shift(), t._loadQueue()), e || n.action();
}
return t;
},
_ended: function(e) {
var t = this, r = e._sprite;
if (!t._webAudio && e._node && !e._node.paused && !e._node.ended && e._node.currentTime < e._stop) return setTimeout(t._ended.bind(t, e), 100), t;
var i = !!(e._loop || t._sprite[r][2]);
if (t._emit("end", e._id), !t._webAudio && i && t.stop(e._id, !0).play(e._id), t._webAudio && i) {
t._emit("play", e._id), e._seek = e._start || 0, e._rateSeek = 0, e._playStart = n.ctx.currentTime;
var a = (e._stop - e._start) * 1e3 / Math.abs(e._rate);
t._endTimers[e._id] = setTimeout(t._ended.bind(t, e), a);
}
return t._webAudio && !i && (e._paused = !0, e._ended = !0, e._seek = e._start || 0, e._rateSeek = 0, t._clearTimer(e._id), t._cleanBuffer(e._node), n._autoSuspend()), !t._webAudio && !i && t.stop(e._id, !0), t;
},
_clearTimer: function(e) {
var t = this;
if (t._endTimers[e]) {
if (typeof t._endTimers[e] != "function") clearTimeout(t._endTimers[e]);
else {
var n = t._soundById(e);
n && n._node && n._node.removeEventListener("ended", t._endTimers[e], !1);
}
delete t._endTimers[e];
}
return t;
},
_soundById: function(e) {
for (var t = this, n = 0; n < t._sounds.length; n++) if (e === t._sounds[n]._id) return t._sounds[n];
return null;
},
_inactiveSound: function() {
var e = this;
e._drain();
for (var t = 0; t < e._sounds.length; t++) if (e._sounds[t]._ended) return e._sounds[t].reset();
return new i(e);
},
_drain: function() {
var e = this, t = e._pool, n = 0, r = 0;
if (!(e._sounds.length < t)) {
for (r = 0; r < e._sounds.length; r++) e._sounds[r]._ended && n++;
for (r = e._sounds.length - 1; r >= 0; r--) {
if (n <= t) return;
e._sounds[r]._ended && (e._webAudio && e._sounds[r]._node && e._sounds[r]._node.disconnect(0), e._sounds.splice(r, 1), n--);
}
}
},
_getSoundIds: function(e) {
var t = this;
if (e === void 0) {
for (var n = [], r = 0; r < t._sounds.length; r++) n.push(t._sounds[r]._id);
return n;
} else return [e];
},
_refreshBuffer: function(e) {
var t = this;
return e._node.bufferSource = n.ctx.createBufferSource(), e._node.bufferSource.buffer = a[t._src], e._panner ? e._node.bufferSource.connect(e._panner) : e._node.bufferSource.connect(e._node), e._node.bufferSource.loop = e._loop, e._loop && (e._node.bufferSource.loopStart = e._start || 0, e._node.bufferSource.loopEnd = e._stop || 0), e._node.bufferSource.playbackRate.setValueAtTime(e._rate, n.ctx.currentTime), t;
},
_cleanBuffer: function(e) {
var t = this, r = n._navigator && n._navigator.vendor.indexOf("Apple") >= 0;
if (!e.bufferSource) return t;
if (n._scratchBuffer && e.bufferSource && (e.bufferSource.onended = null, e.bufferSource.disconnect(0), r)) try {
e.bufferSource.buffer = n._scratchBuffer;
} catch {}
return e.bufferSource = null, t;
},
_clearSound: function(e) {
/MSIE |Trident\//.test(n._navigator && n._navigator.userAgent) || (e.src = "data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA");
}
};
var i = function(e) {
this._parent = e, this.init();
};
i.prototype = {
init: function() {
var e = this, t = e._parent;
return e._muted = t._muted, e._loop = t._loop, e._volume = t._volume, e._rate = t._rate, e._seek = 0, e._paused = !0, e._ended = !0, e._sprite = "__default", e._id = ++n._counter, t._sounds.push(e), e.create(), e;
},
create: function() {
var e = this, t = e._parent, r = n._muted || e._muted || e._parent._muted ? 0 : e._volume;
return t._webAudio ? (e._node = n.ctx.createGain === void 0 ? n.ctx.createGainNode() : n.ctx.createGain(), e._node.gain.setValueAtTime(r, n.ctx.currentTime), e._node.paused = !0, e._node.connect(n.masterGain)) : n.noAudio || (e._node = n._obtainHtml5Audio(), e._errorFn = e._errorListener.bind(e), e._node.addEventListener("error", e._errorFn, !1), e._loadFn = e._loadListener.bind(e), e._node.addEventListener(n._canPlayEvent, e._loadFn, !1), e._endFn = e._endListener.bind(e), e._node.addEventListener("ended", e._endFn, !1), e._node.src = t._src, e._node.preload = t._preload === !0 ? "auto" : t._preload, e._node.volume = r * n.volume(), e._node.load()), e;
},
reset: function() {
var e = this, t = e._parent;
return e._muted = t._muted, e._loop = t._loop, e._volume = t._volume, e._rate = t._rate, e._seek = 0, e._rateSeek = 0, e._paused = !0, e._ended = !0, e._sprite = "__default", e._id = ++n._counter, e;
},
_errorListener: function() {
var e = this;
e._parent._emit("loaderror", e._id, e._node.error ? e._node.error.code : 0), e._node.removeEventListener("error", e._errorFn, !1);
},
_loadListener: function() {
var e = this, t = e._parent;
t._duration = Math.ceil(e._node.duration * 10) / 10, Object.keys(t._sprite).length === 0 && (t._sprite = { __default: [0, t._duration * 1e3] }), t._state !== "loaded" && (t._state = "loaded", t._emit("load"), t._loadQueue()), e._node.removeEventListener(n._canPlayEvent, e._loadFn, !1);
},
_endListener: function() {
var e = this, t = e._parent;
t._duration === Infinity && (t._duration = Math.ceil(e._node.duration * 10) / 10, t._sprite.__default[1] === Infinity && (t._sprite.__default[1] = t._duration * 1e3), t._ended(e)), e._node.removeEventListener("ended", e._endFn, !1);
}
};
var a = {}, o = function(e) {
var t = e._src;
if (a[t]) {
e._duration = a[t].duration, l(e);
return;
}
if (/^data:[^;]+;base64,/.test(t)) {
for (var n = atob(t.split(",")[1]), r = new Uint8Array(n.length), i = 0; i < n.length; ++i) r[i] = n.charCodeAt(i);
c(r.buffer, e);
} else {
var o = new XMLHttpRequest();
o.open(e._xhr.method, t, !0), o.withCredentials = e._xhr.withCredentials, o.responseType = "arraybuffer", e._xhr.headers && Object.keys(e._xhr.headers).forEach(function(t) {
o.setRequestHeader(t, e._xhr.headers[t]);
}), o.onload = function() {
var t = (o.status + "")[0];
if (t !== "0" && t !== "2" && t !== "3") {
e._emit("loaderror", null, "Failed loading audio file with status: " + o.status + ".");
return;
}
c(o.response, e);
}, o.onerror = function() {
e._webAudio && (e._html5 = !0, e._webAudio = !1, e._sounds = [], delete a[t], e.load());
}, s(o);
}
}, s = function(e) {
try {
e.send();
} catch {
e.onerror();
}
}, c = function(e, t) {
var r = function() {
t._emit("loaderror", null, "Decoding audio data failed.");
}, i = function(e) {
e && t._sounds.length > 0 ? (a[t._src] = e, l(t, e)) : r();
};
typeof Promise < "u" && n.ctx.decodeAudioData.length === 1 ? n.ctx.decodeAudioData(e).then(i).catch(r) : n.ctx.decodeAudioData(e, i, r);
}, l = function(e, t) {
t && !e._duration && (e._duration = t.duration), Object.keys(e._sprite).length === 0 && (e._sprite = { __default: [0, e._duration * 1e3] }), e._state !== "loaded" && (e._state = "loaded", e._emit("load"), e._loadQueue());
}, u = function() {
if (n.usingWebAudio) {
try {
typeof AudioContext < "u" ? n.ctx = new AudioContext() : typeof webkitAudioContext < "u" ? n.ctx = new webkitAudioContext() : n.usingWebAudio = !1;
} catch {
n.usingWebAudio = !1;
}
n.ctx || (n.usingWebAudio = !1);
var e = /iP(hone|od|ad)/.test(n._navigator && n._navigator.platform), t = n._navigator && n._navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/), r = t ? parseInt(t[1], 10) : null;
if (e && r && r < 9) {
var i = /safari/.test(n._navigator && n._navigator.userAgent.toLowerCase());
n._navigator && !i && (n.usingWebAudio = !1);
}
n.usingWebAudio && (n.masterGain = n.ctx.createGain === void 0 ? n.ctx.createGainNode() : n.ctx.createGain(), n.masterGain.gain.setValueAtTime(n._muted ? 0 : n._volume, n.ctx.currentTime), n.masterGain.connect(n.ctx.destination)), n._setup();
}
};
typeof define == "function" && define.amd && define([], function() {
return {
Howler: n,
Howl: r
};
}), e !== void 0 && (e.Howler = n, e.Howl = r), typeof global < "u" ? (global.HowlerGlobal = t, global.Howler = n, global.Howl = r, global.Sound = i) : typeof window < "u" && (window.HowlerGlobal = t, window.Howler = n, window.Howl = r, window.Sound = i);
})(), (function() {
HowlerGlobal.prototype._pos = [
0,
0,
0
], HowlerGlobal.prototype._orientation = [
0,
0,
-1,
0,
1,
0
], HowlerGlobal.prototype.stereo = function(e) {
var t = this;
if (!t.ctx || !t.ctx.listener) return t;
for (var n = t._howls.length - 1; n >= 0; n--) t._howls[n].stereo(e);
return t;
}, HowlerGlobal.prototype.pos = function(e, t, n) {
var r = this;
if (!r.ctx || !r.ctx.listener) return r;
if (t = typeof t == "number" ? t : r._pos[1], n = typeof n == "number" ? n : r._pos[2], typeof e == "number") r._pos = [
e,
t,
n
], r.ctx.listener.positionX === void 0 ? r.ctx.listener.setPosition(r._pos[0], r._pos[1], r._pos[2]) : (r.ctx.listener.positionX.setTargetAtTime(r._pos[0], Howler.ctx.currentTime, .1), r.ctx.listener.positionY.setTargetAtTime(r._pos[1], Howler.ctx.currentTime, .1), r.ctx.listener.positionZ.setTargetAtTime(r._pos[2], Howler.ctx.currentTime, .1));
else return r._pos;
return r;
}, HowlerGlobal.prototype.orientation = function(e, t, n, r, i, a) {
var o = this;
if (!o.ctx || !o.ctx.listener) return o;
var s = o._orientation;
if (t = typeof t == "number" ? t : s[1], n = typeof n == "number" ? n : s[2], r = typeof r == "number" ? r : s[3], i = typeof i == "number" ? i : s[4], a = typeof a == "number" ? a : s[5], typeof e == "number") o._orientation = [
e,
t,
n,
r,
i,
a
], o.ctx.listener.forwardX === void 0 ? o.ctx.listener.setOrientation(e, t, n, r, i, a) : (o.ctx.listener.forwardX.setTargetAtTime(e, Howler.ctx.currentTime, .1), o.ctx.listener.forwardY.setTargetAtTime(t, Howler.ctx.currentTime, .1), o.ctx.listener.forwardZ.setTargetAtTime(n, Howler.ctx.currentTime, .1), o.ctx.listener.upX.setTargetAtTime(r, Howler.ctx.currentTime, .1), o.ctx.listener.upY.setTargetAtTime(i, Howler.ctx.currentTime, .1), o.ctx.listener.upZ.setTargetAtTime(a, Howler.ctx.currentTime, .1));
else return s;
return o;
}, Howl.prototype.init = (function(e) {
return function(t) {
var n = this;
return n._orientation = t.orientation || [
1,
0,
0
], n._stereo = t.stereo || null, n._pos = t.pos || null, n._pannerAttr = {
coneInnerAngle: t.coneInnerAngle === void 0 ? 360 : t.coneInnerAngle,
coneOuterAngle: t.coneOuterAngle === void 0 ? 360 : t.coneOuterAngle,
coneOuterGain: t.coneOuterGain === void 0 ? 0 : t.coneOuterGain,
distanceModel: t.distanceModel === void 0 ? "inverse" : t.distanceModel,
maxDistance: t.maxDistance === void 0 ? 1e4 : t.maxDistance,
panningModel: t.panningModel === void 0 ? "HRTF" : t.panningModel,
refDistance: t.refDistance === void 0 ? 1 : t.refDistance,
rolloffFactor: t.rolloffFactor === void 0 ? 1 : t.rolloffFactor
}, n._onstereo = t.onstereo ? [{ fn: t.onstereo }] : [], n._onpos = t.onpos ? [{ fn: t.onpos }] : [], n._onorientation = t.onorientation ? [{ fn: t.onorientation }] : [], e.call(this, t);
};
})(Howl.prototype.init), Howl.prototype.stereo = function(t, n) {
var r = this;
if (!r._webAudio) return r;
if (r._state !== "loaded") return r._queue.push({
event: "stereo",
action: function() {
r.stereo(t, n);
}
}), r;
var i = Howler.ctx.createStereoPanner === void 0 ? "spatial" : "stereo";
if (n === void 0) if (typeof t == "number") r._stereo = t, r._pos = [
t,
0,
0
];
else return r._stereo;
for (var a = r._getSoundIds(n), o = 0; o < a.length; o++) {
var s = r._soundById(a[o]);
if (s) if (typeof t == "number") s._stereo = t, s._pos = [
t,
0,
0
], s._node && (s._pannerAttr.panningModel = "equalpower", (!s._panner || !s._panner.pan) && e(s, i), i === "spatial" ? s._panner.positionX === void 0 ? s._panner.setPosition(t, 0, 0) : (s._panner.positionX.setValueAtTime(t, Howler.ctx.currentTime), s._panner.positionY.setValueAtTime(0, Howler.ctx.currentTime), s._panner.positionZ.setValueAtTime(0, Howler.ctx.currentTime)) : s._panner.pan.setValueAtTime(t, Howler.ctx.currentTime)), r._emit("stereo", s._id);
else return s._stereo;
}
return r;
}, Howl.prototype.pos = function(t, n, r, i) {
var a = this;
if (!a._webAudio) return a;
if (a._state !== "loaded") return a._queue.push({
event: "pos",
action: function() {
a.pos(t, n, r, i);
}
}), a;
if (n = typeof n == "number" ? n : 0, r = typeof r == "number" ? r : -.5, i === void 0) if (typeof t == "number") a._pos = [
t,
n,
r
];
else return a._pos;
for (var o = a._getSoundIds(i), s = 0; s < o.length; s++) {
var c = a._soundById(o[s]);
if (c) if (typeof t == "number") c._pos = [
t,
n,
r
], c._node && ((!c._panner || c._panner.pan) && e(c, "spatial"), c._panner.positionX === void 0 ? c._panner.setPosition(t, n, r) : (c._panner.positionX.setValueAtTime(t, Howler.ctx.currentTime), c._panner.positionY.setValueAtTime(n, Howler.ctx.currentTime), c._panner.positionZ.setValueAtTime(r, Howler.ctx.currentTime))), a._emit("pos", c._id);
else return c._pos;
}
return a;
}, Howl.prototype.orientation = function(t, n, r, i) {
var a = this;
if (!a._webAudio) return a;
if (a._state !== "loaded") return a._queue.push({
event: "orientation",
action: function() {
a.orientation(t, n, r, i);
}
}), a;
if (n = typeof n == "number" ? n : a._orientation[1], r = typeof r == "number" ? r : a._orientation[2], i === void 0) if (typeof t == "number") a._orientation = [
t,
n,
r
];
else return a._orientation;
for (var o = a._getSoundIds(i), s = 0; s < o.length; s++) {
var c = a._soundById(o[s]);
if (c) if (typeof t == "number") c._orientation = [
t,
n,
r
], c._node && (c._panner || (c._pos ||= a._pos || [
0,
0,
-.5
], e(c, "spatial")), c._panner.orientationX === void 0 ? c._panner.setOrientation(t, n, r) : (c._panner.orientationX.setValueAtTime(t, Howler.ctx.currentTime), c._panner.orientationY.setValueAtTime(n, Howler.ctx.currentTime), c._panner.orientationZ.setValueAtTime(r, Howler.ctx.currentTime))), a._emit("orientation", c._id);
else return c._orientation;
}
return a;
}, Howl.prototype.pannerAttr = function() {
var t = this, n = arguments, r, i, a;
if (!t._webAudio) return t;
if (n.length === 0) return t._pannerAttr;
if (n.length === 1) if (typeof n[0] == "object") r = n[0], i === void 0 && (r.pannerAttr ||= {
coneInnerAngle: r.coneInnerAngle,
coneOuterAngle: r.coneOuterAngle,
coneOuterGain: r.coneOuterGain,
distanceModel: r.distanceModel,
maxDistance: r.maxDistance,
refDistance: r.refDistance,
rolloffFactor: r.rolloffFactor,
panningModel: r.panningModel
}, t._pannerAttr = {
coneInnerAngle: r.pannerAttr.coneInnerAngle === void 0 ? t._coneInnerAngle : r.pannerAttr.coneInnerAngle,
coneOuterAngle: r.pannerAttr.coneOuterAngle === void 0 ? t._coneOuterAngle : r.pannerAttr.coneOuterAngle,
coneOuterGain: r.pannerAttr.coneOuterGain === void 0 ? t._coneOuterGain : r.pannerAttr.coneOuterGain,
distanceModel: r.pannerAttr.distanceModel === void 0 ? t._distanceModel : r.pannerAttr.distanceModel,
maxDistance: r.pannerAttr.maxDistance === void 0 ? t._maxDistance : r.pannerAttr.maxDistance,
refDistance: r.pannerAttr.refDistance === void 0 ? t._refDistance : r.pannerAttr.refDistance,
rolloffFactor: r.pannerAttr.rolloffFactor === void 0 ? t._rolloffFactor : r.pannerAttr.rolloffFactor,
panningModel: r.pannerAttr.panningModel === void 0 ? t._panningModel : r.pannerAttr.panningModel
});
else return a = t._soundById(parseInt(n[0], 10)), a ? a._pannerAttr : t._pannerAttr;
else n.length === 2 && (r = n[0], i = parseInt(n[1], 10));
for (var o = t._getSoundIds(i), s = 0; s < o.length; s++) if (a = t._soundById(o[s]), a) {
var c = a._pannerAttr;
c = {
coneInnerAngle: r.coneInnerAngle === void 0 ? c.coneInnerAngle : r.coneInnerAngle,
coneOuterAngle: r.coneOuterAngle === void 0 ? c.coneOuterAngle : r.coneOuterAngle,
coneOuterGain: r.coneOuterGain === void 0 ? c.coneOuterGain : r.coneOuterGain,
distanceModel: r.distanceModel === void 0 ? c.distanceModel : r.distanceModel,
maxDistance: r.maxDistance === void 0 ? c.maxDistance : r.maxDistance,
refDistance: r.refDistance === void 0 ? c.refDistance : r.refDistance,
rolloffFactor: r.rolloffFactor === void 0 ? c.rolloffFactor : r.rolloffFactor,
panningModel: r.panningModel === void 0 ? c.panningModel : r.panningModel
};
var l = a._panner;
l ||= (a._pos ||= t._pos || [
0,
0,
-.5
], e(a, "spatial"), a._panner), l.coneInnerAngle = c.coneInnerAngle, l.coneOuterAngle = c.coneOuterAngle, l.coneOuterGain = c.coneOuterGain, l.distanceModel = c.distanceModel, l.maxDistance = c.maxDistance, l.refDistance = c.refDistance, l.rolloffFactor = c.rolloffFactor, l.panningModel = c.panningModel;
}
return t;
}, Sound.prototype.init = (function(e) {
return function() {
var t = this, n = t._parent;
t._orientation = n._orientation, t._stereo = n._stereo, t._pos = n._pos, t._pannerAttr = n._pannerAttr, e.call(this), t._stereo ? n.stereo(t._stereo) : t._pos && n.pos(t._pos[0], t._pos[1], t._pos[2], t._id);
};
})(Sound.prototype.init), Sound.prototype.reset = (function(e) {
return function() {
var t = this, n = t._parent;
return t._orientation = n._orientation, t._stereo = n._stereo, t._pos = n._pos, t._pannerAttr = n._pannerAttr, t._stereo ? n.stereo(t._stereo) : t._pos ? n.pos(t._pos[0], t._pos[1], t._pos[2], t._id) : t._panner && (t._panner.disconnect(0), t._panner = void 0, n._refreshBuffer(t)), e.call(this);
};
})(Sound.prototype.reset);
var e = function(e, t) {
t ||= "spatial", t === "spatial" ? (e._panner = Howler.ctx.createPanner(), e._panner.coneInnerAngle = e._pannerAttr.coneInnerAngle, e._panner.coneOuterAngle = e._pannerAttr.coneOuterAngle, e._panner.coneOuterGain = e._pannerAttr.coneOuterGain, e._panner.distanceModel = e._pannerAttr.distanceModel, e._panner.maxDistance = e._pannerAttr.maxDistance, e._panner.refDistance = e._pannerAttr.refDistance, e._panner.rolloffFactor = e._pannerAttr.rolloffFactor, e._panner.panningModel = e._pannerAttr.panningModel, e._panner.positionX === void 0 ? e._panner.setPosition(e._pos[0], e._pos[1], e._pos[2]) : (e._panner.positionX.setValueAtTime(e._pos[0], Howler.ctx.currentTime), e._panner.positionY.setValueAtTime(e._pos[1], Howler.ctx.currentTime), e._panner.positionZ.setValueAtTime(e._pos[2], Howler.ctx.currentTime)), e._panner.orientationX === void 0 ? e._panner.setOrientation(e._orientation[0], e._orientation[1], e._orientation[2]) : (e._panner.orientationX.setValueAtTime(e._orientation[0], Howler.ctx.currentTime), e._panner.orientationY.setValueAtTime(e._orientation[1], Howler.ctx.currentTime), e._panner.orientationZ.setValueAtTime(e._orientation[2], Howler.ctx.currentTime))) : (e._panner = Howler.ctx.createStereoPanner(), e._panner.pan.setValueAtTime(e._stereo, Howler.ctx.currentTime)), e._panner.connect(e._node), e._paused || e._parent.pause(e._id, !0).play(e._id, !0);
};
})();
})))(), i = {
elementId: null,
player: {
instances: {
beach: null,
birds: null,
wind: null,
thunder: null,
campfire: null,
rain: null
},
sound: null,
volume: null
},
playlist: {
beach: "https://assets.learnosity.com/learnosity_toolkit/whitenoise/beach.mp3",
birds: "https://assets.learnosity.com/learnosity_toolkit/whitenoise/birds.mp3",
wind: "https://assets.learnosity.com/learnosity_toolkit/whitenoise/wind.mp3",
thunder: "https://assets.learnosity.com/learnosity_toolkit/whitenoise/thunder.mp3",
campfire: "https://assets.learnosity.com/learnosity_toolkit/whitenoise/campfire.mp3",
rain: "https://assets.learnosity.com/learnosity_toolkit/whitenoise/rain.mp3"
},
queryRoot: document
};
function a(e = {}) {
let { id: t = null, shadowRoot: r = document } = e;
i.elementId = t, i.queryRoot = r;
try {
n.assessApp().on("button:btn-whitenoise:clicked", () => {
o();
});
} catch (e) {
e instanceof TypeError || n.utils.logger.error("Error with white noise player:", e);
}
}
function o() {
let e = p();
if (i.elementId && !i.shadowRoot) {
let t = i.queryRoot.querySelector(`#${i.elementId}`);
if (t) t.innerHTML = e;
else {
n.utils.logger.error(`Element id '${i.elementId}' not found, could not render player.`);
return;
}
} else if (i.elementId && i.queryRoot !== document) {
let t = i.queryRoot.querySelector(`#${i.elementId}`);
if (t) t.innerHTML = e;
else {
n.utils.logger.error(`Shadow root element id '${i.elementId}' not found, could not render player.`);
return;
}
} else n.dialog({
header: "White noise player",
body: e,
buttons: [{
button_id: "dialog_btn_whitenoise_player",
label: "Close",
is_primary: !1
}]
});
setTimeout(() => {
let e = i.queryRoot.querySelectorAll(".lt__controls-sound"), t = i.queryRoot.querySelector("#ld-volume");
e.forEach((e) => {
e.addEventListener("keydown", (t) => {
(t.key === " " || t.key === "Enter") && (t.preventDefault(), e.click());
}), e.addEventListener("click", (t) => {
t.preventDefault(), s(e);
});
}), i.player.sound && f(i.player.sound), t.value = i.player.volume || 1, d(), t.addEventListener("input", () => {
d();
});
}, 500);
try {
n.assessApp().on("button:dialog_btn_whitenoise_player:clicked", () => {
n.hideDialog();
});
} catch (e) {
e instanceof TypeError || n.utils.logger.error("Error with white noise player:", e);
}
}
function s(e) {
let t = e.getAttribute("data-lt-sound"), n = i.queryRoot.querySelector(`[data-lt-sound="${t}"]`);
i.player.sound && u(i.player.sound), n.classList.contains("lt__sound-active") ? u(t) : (i.player.instances[t] || c(t), i.player.sound = t, l(t)), f(t);
}
function c(e) {
i.player.instances[e] = new r.Howl({
src: [i.playlist[e]],
html5: !0,
loop: !0
});
}
function l(e) {
i.player.instances[e].play();
}
function u(e) {
i.player.instances[e].stop();
}
function d() {
let e = i.queryRoot.querySelector("#ld-volume"), t = i.queryRoot.querySelector("#ld-volume-value"), n = e.value;
i.player.volume = n, r.Howler.volume(n), t.innerHTML = n * 100;
}
function f(e) {
i.queryRoot.querySelectorAll(".lt__controls-sound").forEach((t) => {
t.getAttribute("data-lt-sound") === e && !t.classList.contains("lt__sound-active") ? (t.classList.add("lt__sound-active"), t.focus(), t.setAttribute("aria-pressed", "true")) : (t.classList.remove("lt__sound-active"), t.setAttribute("aria-pressed", "false"));
});
}
function p() {
return "<div class=\"lt__player\">\n <div class=\"lt__meta\">\n <p id=\"lt__player-label\" class=\"sr-only\">Background sounds</p>\n <p id=\"lt__player-instructions\" class=\"sr-only\">Choose a background sound. Press the selected sound again to pause it. Use the volume slider to adjust the volume.</p>\n <ul aria-labelledby=\"lt__player-label\" aria-describedby=\"lt__player-instructions\">\n <li><button type=\"button\" class=\"lt__controls-sound\" data-lt-sound=\"beach\" aria-pressed=\"false\"><svg aria-hidden=\"true\" focusable=\"false\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 576 512\"><path d=\"M346.3 271.8l-60.1-21.9L214 448H32c-17.7 0-32 14.3-32 32s14.3 32 32 32H544c17.7 0 32-14.3 32-32s-14.3-32-32-32H282.1l64.1-176.2zm121.1-.2l-3.3 9.1 67.7 24.6c18.1 6.6 38-4.2 39.6-23.4c6.5-78.5-23.9-155.5-80.8-208.5c2 8 3.2 16.3 3.4 24.8l.2 6c1.8 57-7.3 113.8-26.8 167.4zM462 99.1c-1.1-34.4-22.5-64.8-54.4-77.4c-.9-.4-1.9-.7-2.8-1.1c-33-11.7-69.8-2.4-93.1 23.8l-4 4.5C272.4 88.3 245 134.2 226.8 184l-3.3 9.1L434 269.7l3.3-9.1c18.1-49.8 26.6-102.5 24.9-155.5l-.2-6zM107.2 112.9c-11.1 15.7-2.8 36.8 15.3 43.4l71 25.8 3.3-9.1c19.5-53.6 49.1-103 87.1-145.5l4-4.5c6.2-6.9 13.1-1