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bundle.js
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bundle.js
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(() => {
var __getOwnPropNames = Object.getOwnPropertyNames;
var __commonJS = (cb, mod) => function __require() {
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
// node_modules/howler/dist/howler.js
var require_howler = __commonJS({
"node_modules/howler/dist/howler.js"(exports) {
(function() {
"use strict";
var HowlerGlobal2 = function() {
this.init();
};
HowlerGlobal2.prototype = {
init: function() {
var self2 = this || Howler3;
self2._counter = 1e3;
self2._html5AudioPool = [];
self2.html5PoolSize = 10;
self2._codecs = {};
self2._howls = [];
self2._muted = false;
self2._volume = 1;
self2._canPlayEvent = "canplaythrough";
self2._navigator = typeof window !== "undefined" && window.navigator ? window.navigator : null;
self2.masterGain = null;
self2.noAudio = false;
self2.usingWebAudio = true;
self2.autoSuspend = true;
self2.ctx = null;
self2.autoUnlock = true;
self2._setup();
return self2;
},
volume: function(vol) {
var self2 = this || Howler3;
vol = parseFloat(vol);
if (!self2.ctx) {
setupAudioContext();
}
if (typeof vol !== "undefined" && vol >= 0 && vol <= 1) {
self2._volume = vol;
if (self2._muted) {
return self2;
}
if (self2.usingWebAudio) {
self2.masterGain.gain.setValueAtTime(vol, Howler3.ctx.currentTime);
}
for (var i = 0; i < self2._howls.length; i++) {
if (!self2._howls[i]._webAudio) {
var ids = self2._howls[i]._getSoundIds();
for (var j = 0; j < ids.length; j++) {
var sound = self2._howls[i]._soundById(ids[j]);
if (sound && sound._node) {
sound._node.volume = sound._volume * vol;
}
}
}
}
return self2;
}
return self2._volume;
},
mute: function(muted) {
var self2 = this || Howler3;
if (!self2.ctx) {
setupAudioContext();
}
self2._muted = muted;
if (self2.usingWebAudio) {
self2.masterGain.gain.setValueAtTime(muted ? 0 : self2._volume, Howler3.ctx.currentTime);
}
for (var i = 0; i < self2._howls.length; i++) {
if (!self2._howls[i]._webAudio) {
var ids = self2._howls[i]._getSoundIds();
for (var j = 0; j < ids.length; j++) {
var sound = self2._howls[i]._soundById(ids[j]);
if (sound && sound._node) {
sound._node.muted = muted ? true : sound._muted;
}
}
}
}
return self2;
},
stop: function() {
var self2 = this || Howler3;
for (var i = 0; i < self2._howls.length; i++) {
self2._howls[i].stop();
}
return self2;
},
unload: function() {
var self2 = this || Howler3;
for (var i = self2._howls.length - 1; i >= 0; i--) {
self2._howls[i].unload();
}
if (self2.usingWebAudio && self2.ctx && typeof self2.ctx.close !== "undefined") {
self2.ctx.close();
self2.ctx = null;
setupAudioContext();
}
return self2;
},
codecs: function(ext) {
return (this || Howler3)._codecs[ext.replace(/^x-/, "")];
},
_setup: function() {
var self2 = this || Howler3;
self2.state = self2.ctx ? self2.ctx.state || "suspended" : "suspended";
self2._autoSuspend();
if (!self2.usingWebAudio) {
if (typeof Audio !== "undefined") {
try {
var test = new Audio();
if (typeof test.oncanplaythrough === "undefined") {
self2._canPlayEvent = "canplay";
}
} catch (e) {
self2.noAudio = true;
}
} else {
self2.noAudio = true;
}
}
try {
var test = new Audio();
if (test.muted) {
self2.noAudio = true;
}
} catch (e) {
}
if (!self2.noAudio) {
self2._setupCodecs();
}
return self2;
},
_setupCodecs: function() {
var self2 = this || Howler3;
var audioTest = null;
try {
audioTest = typeof Audio !== "undefined" ? new Audio() : null;
} catch (err) {
return self2;
}
if (!audioTest || typeof audioTest.canPlayType !== "function") {
return self2;
}
var mpegTest = audioTest.canPlayType("audio/mpeg;").replace(/^no$/, "");
var ua = self2._navigator ? self2._navigator.userAgent : "";
var checkOpera = ua.match(/OPR\/([0-6].)/g);
var isOldOpera = checkOpera && parseInt(checkOpera[0].split("/")[1], 10) < 33;
var checkSafari = ua.indexOf("Safari") !== -1 && ua.indexOf("Chrome") === -1;
var safariVersion = ua.match(/Version\/(.*?) /);
var isOldSafari = checkSafari && safariVersion && parseInt(safariVersion[1], 10) < 15;
self2._codecs = {
mp3: !!(!isOldOpera && (mpegTest || audioTest.canPlayType("audio/mp3;").replace(/^no$/, ""))),
mpeg: !!mpegTest,
opus: !!audioTest.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/, ""),
ogg: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ""),
oga: !!audioTest.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, ""),
wav: !!(audioTest.canPlayType('audio/wav; codecs="1"') || audioTest.canPlayType("audio/wav")).replace(/^no$/, ""),
aac: !!audioTest.canPlayType("audio/aac;").replace(/^no$/, ""),
caf: !!audioTest.canPlayType("audio/x-caf;").replace(/^no$/, ""),
m4a: !!(audioTest.canPlayType("audio/x-m4a;") || audioTest.canPlayType("audio/m4a;") || audioTest.canPlayType("audio/aac;")).replace(/^no$/, ""),
m4b: !!(audioTest.canPlayType("audio/x-m4b;") || audioTest.canPlayType("audio/m4b;") || audioTest.canPlayType("audio/aac;")).replace(/^no$/, ""),
mp4: !!(audioTest.canPlayType("audio/x-mp4;") || audioTest.canPlayType("audio/mp4;") || audioTest.canPlayType("audio/aac;")).replace(/^no$/, ""),
weba: !!(!isOldSafari && audioTest.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, "")),
webm: !!(!isOldSafari && audioTest.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, "")),
dolby: !!audioTest.canPlayType('audio/mp4; codecs="ec-3"').replace(/^no$/, ""),
flac: !!(audioTest.canPlayType("audio/x-flac;") || audioTest.canPlayType("audio/flac;")).replace(/^no$/, "")
};
return self2;
},
_unlockAudio: function() {
var self2 = this || Howler3;
if (self2._audioUnlocked || !self2.ctx) {
return;
}
self2._audioUnlocked = false;
self2.autoUnlock = false;
if (!self2._mobileUnloaded && self2.ctx.sampleRate !== 44100) {
self2._mobileUnloaded = true;
self2.unload();
}
self2._scratchBuffer = self2.ctx.createBuffer(1, 1, 22050);
var unlock = function(e) {
while (self2._html5AudioPool.length < self2.html5PoolSize) {
try {
var audioNode = new Audio();
audioNode._unlocked = true;
self2._releaseHtml5Audio(audioNode);
} catch (e2) {
self2.noAudio = true;
break;
}
}
for (var i = 0; i < self2._howls.length; i++) {
if (!self2._howls[i]._webAudio) {
var ids = self2._howls[i]._getSoundIds();
for (var j = 0; j < ids.length; j++) {
var sound = self2._howls[i]._soundById(ids[j]);
if (sound && sound._node && !sound._node._unlocked) {
sound._node._unlocked = true;
sound._node.load();
}
}
}
}
self2._autoResume();
var source = self2.ctx.createBufferSource();
source.buffer = self2._scratchBuffer;
source.connect(self2.ctx.destination);
if (typeof source.start === "undefined") {
source.noteOn(0);
} else {
source.start(0);
}
if (typeof self2.ctx.resume === "function") {
self2.ctx.resume();
}
source.onended = function() {
source.disconnect(0);
self2._audioUnlocked = true;
document.removeEventListener("touchstart", unlock, true);
document.removeEventListener("touchend", unlock, true);
document.removeEventListener("click", unlock, true);
document.removeEventListener("keydown", unlock, true);
for (var i2 = 0; i2 < self2._howls.length; i2++) {
self2._howls[i2]._emit("unlock");
}
};
};
document.addEventListener("touchstart", unlock, true);
document.addEventListener("touchend", unlock, true);
document.addEventListener("click", unlock, true);
document.addEventListener("keydown", unlock, true);
return self2;
},
_obtainHtml5Audio: function() {
var self2 = this || Howler3;
if (self2._html5AudioPool.length) {
return self2._html5AudioPool.pop();
}
var testPlay = new Audio().play();
if (testPlay && typeof Promise !== "undefined" && (testPlay instanceof Promise || typeof testPlay.then === "function")) {
testPlay.catch(function() {
console.warn("HTML5 Audio pool exhausted, returning potentially locked audio object.");
});
}
return new Audio();
},
_releaseHtml5Audio: function(audio) {
var self2 = this || Howler3;
if (audio._unlocked) {
self2._html5AudioPool.push(audio);
}
return self2;
},
_autoSuspend: function() {
var self2 = this;
if (!self2.autoSuspend || !self2.ctx || typeof self2.ctx.suspend === "undefined" || !Howler3.usingWebAudio) {
return;
}
for (var i = 0; i < self2._howls.length; i++) {
if (self2._howls[i]._webAudio) {
for (var j = 0; j < self2._howls[i]._sounds.length; j++) {
if (!self2._howls[i]._sounds[j]._paused) {
return self2;
}
}
}
}
if (self2._suspendTimer) {
clearTimeout(self2._suspendTimer);
}
self2._suspendTimer = setTimeout(function() {
if (!self2.autoSuspend) {
return;
}
self2._suspendTimer = null;
self2.state = "suspending";
var handleSuspension = function() {
self2.state = "suspended";
if (self2._resumeAfterSuspend) {
delete self2._resumeAfterSuspend;
self2._autoResume();
}
};
self2.ctx.suspend().then(handleSuspension, handleSuspension);
}, 3e4);
return self2;
},
_autoResume: function() {
var self2 = this;
if (!self2.ctx || typeof self2.ctx.resume === "undefined" || !Howler3.usingWebAudio) {
return;
}
if (self2.state === "running" && self2.ctx.state !== "interrupted" && self2._suspendTimer) {
clearTimeout(self2._suspendTimer);
self2._suspendTimer = null;
} else if (self2.state === "suspended" || self2.state === "running" && self2.ctx.state === "interrupted") {
self2.ctx.resume().then(function() {
self2.state = "running";
for (var i = 0; i < self2._howls.length; i++) {
self2._howls[i]._emit("resume");
}
});
if (self2._suspendTimer) {
clearTimeout(self2._suspendTimer);
self2._suspendTimer = null;
}
} else if (self2.state === "suspending") {
self2._resumeAfterSuspend = true;
}
return self2;
}
};
var Howler3 = new HowlerGlobal2();
var Howl3 = function(o) {
var self2 = this;
if (!o.src || o.src.length === 0) {
console.error("An array of source files must be passed with any new Howl.");
return;
}
self2.init(o);
};
Howl3.prototype = {
init: function(o) {
var self2 = this;
if (!Howler3.ctx) {
setupAudioContext();
}
self2._autoplay = o.autoplay || false;
self2._format = typeof o.format !== "string" ? o.format : [o.format];
self2._html5 = o.html5 || false;
self2._muted = o.mute || false;
self2._loop = o.loop || false;
self2._pool = o.pool || 5;
self2._preload = typeof o.preload === "boolean" || o.preload === "metadata" ? o.preload : true;
self2._rate = o.rate || 1;
self2._sprite = o.sprite || {};
self2._src = typeof o.src !== "string" ? o.src : [o.src];
self2._volume = o.volume !== void 0 ? o.volume : 1;
self2._xhr = {
method: o.xhr && o.xhr.method ? o.xhr.method : "GET",
headers: o.xhr && o.xhr.headers ? o.xhr.headers : null,
withCredentials: o.xhr && o.xhr.withCredentials ? o.xhr.withCredentials : false
};
self2._duration = 0;
self2._state = "unloaded";
self2._sounds = [];
self2._endTimers = {};
self2._queue = [];
self2._playLock = false;
self2._onend = o.onend ? [{ fn: o.onend }] : [];
self2._onfade = o.onfade ? [{ fn: o.onfade }] : [];
self2._onload = o.onload ? [{ fn: o.onload }] : [];
self2._onloaderror = o.onloaderror ? [{ fn: o.onloaderror }] : [];
self2._onplayerror = o.onplayerror ? [{ fn: o.onplayerror }] : [];
self2._onpause = o.onpause ? [{ fn: o.onpause }] : [];
self2._onplay = o.onplay ? [{ fn: o.onplay }] : [];
self2._onstop = o.onstop ? [{ fn: o.onstop }] : [];
self2._onmute = o.onmute ? [{ fn: o.onmute }] : [];
self2._onvolume = o.onvolume ? [{ fn: o.onvolume }] : [];
self2._onrate = o.onrate ? [{ fn: o.onrate }] : [];
self2._onseek = o.onseek ? [{ fn: o.onseek }] : [];
self2._onunlock = o.onunlock ? [{ fn: o.onunlock }] : [];
self2._onresume = [];
self2._webAudio = Howler3.usingWebAudio && !self2._html5;
if (typeof Howler3.ctx !== "undefined" && Howler3.ctx && Howler3.autoUnlock) {
Howler3._unlockAudio();
}
Howler3._howls.push(self2);
if (self2._autoplay) {
self2._queue.push({
event: "play",
action: function() {
self2.play();
}
});
}
if (self2._preload && self2._preload !== "none") {
self2.load();
}
return self2;
},
load: function() {
var self2 = this;
var url = null;
if (Howler3.noAudio) {
self2._emit("loaderror", null, "No audio support.");
return;
}
if (typeof self2._src === "string") {
self2._src = [self2._src];
}
for (var i = 0; i < self2._src.length; i++) {
var ext, str;
if (self2._format && self2._format[i]) {
ext = self2._format[i];
} else {
str = self2._src[i];
if (typeof str !== "string") {
self2._emit("loaderror", null, "Non-string found in selected audio sources - ignoring.");
continue;
}
ext = /^data:audio\/([^;,]+);/i.exec(str);
if (!ext) {
ext = /\.([^.]+)$/.exec(str.split("?", 1)[0]);
}
if (ext) {
ext = ext[1].toLowerCase();
}
}
if (!ext) {
console.warn('No file extension was found. Consider using the "format" property or specify an extension.');
}
if (ext && Howler3.codecs(ext)) {
url = self2._src[i];
break;
}
}
if (!url) {
self2._emit("loaderror", null, "No codec support for selected audio sources.");
return;
}
self2._src = url;
self2._state = "loading";
if (window.location.protocol === "https:" && url.slice(0, 5) === "http:") {
self2._html5 = true;
self2._webAudio = false;
}
new Sound2(self2);
if (self2._webAudio) {
loadBuffer(self2);
}
return self2;
},
play: function(sprite, internal) {
var self2 = this;
var id = null;
if (typeof sprite === "number") {
id = sprite;
sprite = null;
} else if (typeof sprite === "string" && self2._state === "loaded" && !self2._sprite[sprite]) {
return null;
} else if (typeof sprite === "undefined") {
sprite = "__default";
if (!self2._playLock) {
var num = 0;
for (var i = 0; i < self2._sounds.length; i++) {
if (self2._sounds[i]._paused && !self2._sounds[i]._ended) {
num++;
id = self2._sounds[i]._id;
}
}
if (num === 1) {
sprite = null;
} else {
id = null;
}
}
}
var sound = id ? self2._soundById(id) : self2._inactiveSound();
if (!sound) {
return null;
}
if (id && !sprite) {
sprite = sound._sprite || "__default";
}
if (self2._state !== "loaded") {
sound._sprite = sprite;
sound._ended = false;
var soundId = sound._id;
self2._queue.push({
event: "play",
action: function() {
self2.play(soundId);
}
});
return soundId;
}
if (id && !sound._paused) {
if (!internal) {
self2._loadQueue("play");
}
return sound._id;
}
if (self2._webAudio) {
Howler3._autoResume();
}
var seek = Math.max(0, sound._seek > 0 ? sound._seek : self2._sprite[sprite][0] / 1e3);
var duration = Math.max(0, (self2._sprite[sprite][0] + self2._sprite[sprite][1]) / 1e3 - seek);
var timeout = duration * 1e3 / Math.abs(sound._rate);
var start = self2._sprite[sprite][0] / 1e3;
var stop = (self2._sprite[sprite][0] + self2._sprite[sprite][1]) / 1e3;
sound._sprite = sprite;
sound._ended = false;
var setParams = function() {
sound._paused = false;
sound._seek = seek;
sound._start = start;
sound._stop = stop;
sound._loop = !!(sound._loop || self2._sprite[sprite][2]);
};
if (seek >= stop) {
self2._ended(sound);
return;
}
var node = sound._node;
if (self2._webAudio) {
var playWebAudio = function() {
self2._playLock = false;
setParams();
self2._refreshBuffer(sound);
var vol = sound._muted || self2._muted ? 0 : sound._volume;
node.gain.setValueAtTime(vol, Howler3.ctx.currentTime);
sound._playStart = Howler3.ctx.currentTime;
if (typeof node.bufferSource.start === "undefined") {
sound._loop ? node.bufferSource.noteGrainOn(0, seek, 86400) : node.bufferSource.noteGrainOn(0, seek, duration);
} else {
sound._loop ? node.bufferSource.start(0, seek, 86400) : node.bufferSource.start(0, seek, duration);
}
if (timeout !== Infinity) {
self2._endTimers[sound._id] = setTimeout(self2._ended.bind(self2, sound), timeout);
}
if (!internal) {
setTimeout(function() {
self2._emit("play", sound._id);
self2._loadQueue();
}, 0);
}
};
if (Howler3.state === "running" && Howler3.ctx.state !== "interrupted") {
playWebAudio();
} else {
self2._playLock = true;
self2.once("resume", playWebAudio);
self2._clearTimer(sound._id);
}
} else {
var playHtml5 = function() {
node.currentTime = seek;
node.muted = sound._muted || self2._muted || Howler3._muted || node.muted;
node.volume = sound._volume * Howler3.volume();
node.playbackRate = sound._rate;
try {
var play = node.play();
if (play && typeof Promise !== "undefined" && (play instanceof Promise || typeof play.then === "function")) {
self2._playLock = true;
setParams();
play.then(function() {
self2._playLock = false;
node._unlocked = true;
if (!internal) {
self2._emit("play", sound._id);
} else {
self2._loadQueue();
}
}).catch(function() {
self2._playLock = false;
self2._emit("playerror", sound._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.");
sound._ended = true;
sound._paused = true;
});
} else if (!internal) {
self2._playLock = false;
setParams();
self2._emit("play", sound._id);
}
node.playbackRate = sound._rate;
if (node.paused) {
self2._emit("playerror", sound._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;
}
if (sprite !== "__default" || sound._loop) {
self2._endTimers[sound._id] = setTimeout(self2._ended.bind(self2, sound), timeout);
} else {
self2._endTimers[sound._id] = function() {
self2._ended(sound);
node.removeEventListener("ended", self2._endTimers[sound._id], false);
};
node.addEventListener("ended", self2._endTimers[sound._id], false);
}
} catch (err) {
self2._emit("playerror", sound._id, err);
}
};
if (node.src === "data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA") {
node.src = self2._src;
node.load();
}
var loadedNoReadyState = window && window.ejecta || !node.readyState && Howler3._navigator.isCocoonJS;
if (node.readyState >= 3 || loadedNoReadyState) {
playHtml5();
} else {
self2._playLock = true;
self2._state = "loading";
var listener = function() {
self2._state = "loaded";
playHtml5();
node.removeEventListener(Howler3._canPlayEvent, listener, false);
};
node.addEventListener(Howler3._canPlayEvent, listener, false);
self2._clearTimer(sound._id);
}
}
return sound._id;
},
pause: function(id) {
var self2 = this;
if (self2._state !== "loaded" || self2._playLock) {
self2._queue.push({
event: "pause",
action: function() {
self2.pause(id);
}
});
return self2;
}
var ids = self2._getSoundIds(id);
for (var i = 0; i < ids.length; i++) {
self2._clearTimer(ids[i]);
var sound = self2._soundById(ids[i]);
if (sound && !sound._paused) {
sound._seek = self2.seek(ids[i]);
sound._rateSeek = 0;
sound._paused = true;
self2._stopFade(ids[i]);
if (sound._node) {
if (self2._webAudio) {
if (!sound._node.bufferSource) {
continue;
}
if (typeof sound._node.bufferSource.stop === "undefined") {
sound._node.bufferSource.noteOff(0);
} else {
sound._node.bufferSource.stop(0);
}
self2._cleanBuffer(sound._node);
} else if (!isNaN(sound._node.duration) || sound._node.duration === Infinity) {
sound._node.pause();
}
}
}
if (!arguments[1]) {
self2._emit("pause", sound ? sound._id : null);
}
}
return self2;
},
stop: function(id, internal) {
var self2 = this;
if (self2._state !== "loaded" || self2._playLock) {
self2._queue.push({
event: "stop",
action: function() {
self2.stop(id);
}
});
return self2;
}
var ids = self2._getSoundIds(id);
for (var i = 0; i < ids.length; i++) {
self2._clearTimer(ids[i]);
var sound = self2._soundById(ids[i]);
if (sound) {
sound._seek = sound._start || 0;
sound._rateSeek = 0;
sound._paused = true;
sound._ended = true;
self2._stopFade(ids[i]);
if (sound._node) {
if (self2._webAudio) {
if (sound._node.bufferSource) {
if (typeof sound._node.bufferSource.stop === "undefined") {
sound._node.bufferSource.noteOff(0);
} else {
sound._node.bufferSource.stop(0);
}
self2._cleanBuffer(sound._node);
}
} else if (!isNaN(sound._node.duration) || sound._node.duration === Infinity) {
sound._node.currentTime = sound._start || 0;
sound._node.pause();
if (sound._node.duration === Infinity) {
self2._clearSound(sound._node);
}
}
}
if (!internal) {
self2._emit("stop", sound._id);
}
}
}
return self2;
},
mute: function(muted, id) {
var self2 = this;
if (self2._state !== "loaded" || self2._playLock) {
self2._queue.push({
event: "mute",
action: function() {
self2.mute(muted, id);
}
});
return self2;
}
if (typeof id === "undefined") {
if (typeof muted === "boolean") {
self2._muted = muted;
} else {
return self2._muted;
}
}
var ids = self2._getSoundIds(id);
for (var i = 0; i < ids.length; i++) {
var sound = self2._soundById(ids[i]);
if (sound) {
sound._muted = muted;
if (sound._interval) {
self2._stopFade(sound._id);
}
if (self2._webAudio && sound._node) {
sound._node.gain.setValueAtTime(muted ? 0 : sound._volume, Howler3.ctx.currentTime);
} else if (sound._node) {
sound._node.muted = Howler3._muted ? true : muted;
}
self2._emit("mute", sound._id);
}
}
return self2;
},
volume: function() {
var self2 = this;
var args = arguments;
var vol, id;
if (args.length === 0) {
return self2._volume;
} else if (args.length === 1 || args.length === 2 && typeof args[1] === "undefined") {
var ids = self2._getSoundIds();
var index = ids.indexOf(args[0]);
if (index >= 0) {
id = parseInt(args[0], 10);
} else {
vol = parseFloat(args[0]);
}
} else if (args.length >= 2) {
vol = parseFloat(args[0]);
id = parseInt(args[1], 10);
}
var sound;
if (typeof vol !== "undefined" && vol >= 0 && vol <= 1) {
if (self2._state !== "loaded" || self2._playLock) {
self2._queue.push({
event: "volume",
action: function() {
self2.volume.apply(self2, args);
}
});
return self2;
}
if (typeof id === "undefined") {
self2._volume = vol;
}
id = self2._getSoundIds(id);
for (var i = 0; i < id.length; i++) {
sound = self2._soundById(id[i]);
if (sound) {
sound._volume = vol;
if (!args[2]) {
self2._stopFade(id[i]);
}
if (self2._webAudio && sound._node && !sound._muted) {
sound._node.gain.setValueAtTime(vol, Howler3.ctx.currentTime);
} else if (sound._node && !sound._muted) {
sound._node.volume = vol * Howler3.volume();
}
self2._emit("volume", sound._id);
}
}
} else {
sound = id ? self2._soundById(id) : self2._sounds[0];
return sound ? sound._volume : 0;
}
return self2;
},
fade: function(from, to, len, id) {
var self2 = this;
if (self2._state !== "loaded" || self2._playLock) {
self2._queue.push({
event: "fade",
action: function() {
self2.fade(from, to, len, id);
}
});
return self2;
}
from = Math.min(Math.max(0, parseFloat(from)), 1);
to = Math.min(Math.max(0, parseFloat(to)), 1);
len = parseFloat(len);
self2.volume(from, id);
var ids = self2._getSoundIds(id);
for (var i = 0; i < ids.length; i++) {
var sound = self2._soundById(ids[i]);
if (sound) {
if (!id) {
self2._stopFade(ids[i]);
}
if (self2._webAudio && !sound._muted) {
var currentTime = Howler3.ctx.currentTime;
var end = currentTime + len / 1e3;
sound._volume = from;
sound._node.gain.setValueAtTime(from, currentTime);
sound._node.gain.linearRampToValueAtTime(to, end);
}
self2._startFadeInterval(sound, from, to, len, ids[i], typeof id === "undefined");
}
}
return self2;
},
_startFadeInterval: function(sound, from, to, len, id, isGroup) {
var self2 = this;
var vol = from;
var diff = to - from;
var steps = Math.abs(diff / 0.01);
var stepLen = Math.max(4, steps > 0 ? len / steps : len);
var lastTick = Date.now();
sound._fadeTo = to;
sound._interval = setInterval(function() {
var tick = (Date.now() - lastTick) / len;
lastTick = Date.now();
vol += diff * tick;
vol = Math.round(vol * 100) / 100;
if (diff < 0) {
vol = Math.max(to, vol);
} else {
vol = Math.min(to, vol);
}
if (self2._webAudio) {
sound._volume = vol;
} else {
self2.volume(vol, sound._id, true);
}
if (isGroup) {
self2._volume = vol;
}
if (to < from && vol <= to || to > from && vol >= to) {
clearInterval(sound._interval);
sound._interval = null;
sound._fadeTo = null;
self2.volume(to, sound._id);
self2._emit("fade", sound._id);
}
}, stepLen);
},
_stopFade: function(id) {
var self2 = this;
var sound = self2._soundById(id);
if (sound && sound._interval) {
if (self2._webAudio) {
sound._node.gain.cancelScheduledValues(Howler3.ctx.currentTime);
}
clearInterval(sound._interval);
sound._interval = null;
self2.volume(sound._fadeTo, id);
sound._fadeTo = null;
self2._emit("fade", id);
}
return self2;
},
loop: function() {
var self2 = this;
var args = arguments;
var loop, id, sound;
if (args.length === 0) {
return self2._loop;
} else if (args.length === 1) {
if (typeof args[0] === "boolean") {
loop = args[0];
self2._loop = loop;
} else {
sound = self2._soundById(parseInt(args[0], 10));
return sound ? sound._loop : false;
}
} else if (args.length === 2) {
loop = args[0];
id = parseInt(args[1], 10);
}
var ids = self2._getSoundIds(id);
for (var i = 0; i < ids.length; i++) {
sound = self2._soundById(ids[i]);
if (sound) {
sound._loop = loop;
if (self2._webAudio && sound._node && sound._node.bufferSource) {
sound._node.bufferSource.loop = loop;
if (loop) {
sound._node.bufferSource.loopStart = sound._start || 0;
sound._node.bufferSource.loopEnd = sound._stop;
if (self2.playing(ids[i])) {
self2.pause(ids[i], true);
self2.play(ids[i], true);
}
}
}
}
}
return self2;
},
rate: function() {
var self2 = this;
var args = arguments;
var rate, id;
if (args.length === 0) {
id = self2._sounds[0]._id;
} else if (args.length === 1) {
var ids = self2._getSoundIds();
var index = ids.indexOf(args[0]);
if (index >= 0) {
id = parseInt(args[0], 10);
} else {
rate = parseFloat(args[0]);
}
} else if (args.length === 2) {
rate = parseFloat(args[0]);
id = parseInt(args[1], 10);
}
var sound;
if (typeof rate === "number") {
if (self2._state !== "loaded" || self2._playLock) {
self2._queue.push({
event: "rate",
action: function() {
self2.rate.apply(self2, args);
}
});
return self2;
}
if (typeof id === "undefined") {
self2._rate = rate;
}
id = self2._getSoundIds(id);
for (var i = 0; i < id.length; i++) {
sound = self2._soundById(id[i]);
if (sound) {
if (self2.playing(id[i])) {
sound._rateSeek = self2.seek(id[i]);
sound._playStart = self2._webAudio ? Howler3.ctx.currentTime : sound._playStart;
}
sound._rate = rate;
if (self2._webAudio && sound._node && sound._node.bufferSource) {
sound._node.bufferSource.playbackRate.setValueAtTime(rate, Howler3.ctx.currentTime);
} else if (sound._node) {
sound._node.playbackRate = rate;
}
var seek = self2.seek(id[i]);
var duration = (self2._sprite[sound._sprite][0] + self2._sprite[sound._sprite][1]) / 1e3 - seek;
var timeout = duration * 1e3 / Math.abs(sound._rate);
if (self2._endTimers[id[i]] || !sound._paused) {
self2._clearTimer(id[i]);
self2._endTimers[id[i]] = setTimeout(self2._ended.bind(self2, sound), timeout);
}
self2._emit("rate", sound._id);
}
}
} else {
sound = self2._soundById(id);
return sound ? sound._rate : self2._rate;
}
return self2;
},
seek: function() {
var self2 = this;
var args = arguments;
var seek, id;
if (args.length === 0) {
if (self2._sounds.length) {
id = self2._sounds[0]._id;
}
} else if (args.length === 1) {
var ids = self2._getSoundIds();
var index = ids.indexOf(args[0]);
if (index >= 0) {
id = parseInt(args[0], 10);
} else if (self2._sounds.length) {
id = self2._sounds[0]._id;
seek = parseFloat(args[0]);
}
} else if (args.length === 2) {
seek = parseFloat(args[0]);
id = parseInt(args[1], 10);
}
if (typeof id === "undefined") {
return 0;
}
if (typeof seek === "number" && (self2._state !== "loaded" || self2._playLock)) {
self2._queue.push({
event: "seek",