@caspingus/lt/dist/assessment/index.js

A utility library of helpers and tools for working with Learnosity APIs.

/*! For license information please see index.js.LICENSE.txt */
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0!==e.volume?e.volume:1,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},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=i.usingWebAudio&&!t._html5,void 0!==i.ctx&&i.ctx&&i.autoUnlock&&i._unlockAudio(),i._howls.push(t),t._autoplay&&t._queue.push({event:"play",action:function(){t.play()}}),t._preload&&"none"!==t._preload&&t.load(),t},load:function(){var e=this,t=null;if(i.noAudio)e._emit("loaderror",null,"No audio support.");else{"string"==typeof e._src&&(e._src=[e._src]);for(var n=0;n<e._src.length;n++){var r,o;if(e._format&&e._format[n])r=e._format[n];else{if("string"!=typeof(o=e._src[n])){e._emit("loaderror",null,"Non-string found in selected audio sources - ignoring.");continue}(r=/^data:audio\/([^;,]+);/i.exec(o))||(r=/\.([^.]+)$/.exec(o.split("?",1)[0])),r&&(r=r[1].toLowerCase())}if(r||console.warn('No file extension was found. Consider using the "format" property or specify an extension.'),r&&i.codecs(r)){t=e._src[n];break}}if(t)return e._src=t,e._state="loading","https:"===window.location.protocol&&"http:"===t.slice(0,5)&&(e._html5=!0,e._webAudio=!1),new s(e),e._webAudio&&l(e),e;e._emit("loaderror",null,"No codec support for selected audio sources.")}},play:function(e,t){var n=this,r=null;if("number"==typeof e)r=e,e=null;else{if("string"==typeof e&&"loaded"===n._state&&!n._sprite[e])return null;if(void 0===e&&(e="__default",!n._playLock)){for(var o=0,a=0;a<n._sounds.length;a++)n._sounds[a]._paused&&!n._sounds[a]._ended&&(o++,r=n._sounds[a]._id);1===o?e=null:r=null}}var s=r?n._soundById(r):n._inactiveSound();if(!s)return null;if(r&&!e&&(e=s._sprite||"__default"),"loaded"!==n._state){s._sprite=e,s._ended=!1;var c=s._id;return n._queue.push({event:"play",action:function(){n.play(c)}}),c}if(r&&!s._paused)return t||n._loadQueue("play"),s._id;n._webAudio&&i._autoResume();var l=Math.max(0,s._seek>0?s._seek:n._sprite[e][0]/1e3),u=Math.max(0,(n._sprite[e][0]+n._sprite[e][1])/1e3-l),d=1e3*u/Math.abs(s._rate),p=n._sprite[e][0]/1e3,f=(n._sprite[e][0]+n._sprite[e][1])/1e3;s._sprite=e,s._ended=!1;var m=function(){s._paused=!1,s._seek=l,s._start=p,s._stop=f,s._loop=!(!s._loop&&!n._sprite[e][2])};if(!(l>=f)){var h=s._node;if(n._webAudio){var v=function(){n._playLock=!1,m(),n._refreshBuffer(s);var e=s._muted||n._muted?0:s._volume;h.gain.setValueAtTime(e,i.ctx.currentTime),s._playStart=i.ctx.currentTime,void 0===h.bufferSource.start?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!==1/0&&(n._endTimers[s._id]=setTimeout(n._ended.bind(n,s),d)),t||setTimeout((function(){n._emit("play",s._id),n._loadQueue()}),0)};"running"===i.state&&"interrupted"!==i.ctx.state?v():(n._playLock=!0,n.once("resume",v),n._clearTimer(s._id))}else{var g=function(){h.currentTime=l,h.muted=s._muted||n._muted||i._muted||h.muted,h.volume=s._volume*i.volume(),h.playbackRate=s._rate;try{var r=h.play();if(r&&"undefined"!=typeof Promise&&(r instanceof Promise||"function"==typeof r.then)?(n._playLock=!0,m(),r.then((function(){n._playLock=!1,h._unlocked=!0,t?n._loadQueue():n._emit("play",s._id)})).catch((function(){n._playLock=!1,n._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||(n._playLock=!1,m(),n._emit("play",s._id)),h.playbackRate=s._rate,h.paused)return void n._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.");"__default"!==e||s._loop?n._endTimers[s._id]=setTimeout(n._ended.bind(n,s),d):(n._endTimers[s._id]=function(){n._ended(s),h.removeEventListener("ended",n._endTimers[s._id],!1)},h.addEventListener("ended",n._endTimers[s._id],!1))}catch(e){n._emit("playerror",s._id,e)}};"data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA"===h.src&&(h.src=n._src,h.load());var y=window&&window.ejecta||!h.readyState&&i._navigator.isCocoonJS;if(h.readyState>=3||y)g();else{n._playLock=!0,n._state="loading";var _=function(){n._state="loaded",g(),h.removeEventListener(i._canPlayEvent,_,!1)};h.addEventListener(i._canPlayEvent,_,!1),n._clearTimer(s._id)}}return s._id}n._ended(s)},pause:function(e){var t=this;if("loaded"!==t._state||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 o=t._soundById(n[r]);if(o&&!o._paused&&(o._seek=t.seek(n[r]),o._rateSeek=0,o._paused=!0,t._stopFade(n[r]),o._node))if(t._webAudio){if(!o._node.bufferSource)continue;void 0===o._node.bufferSource.stop?o._node.bufferSource.noteOff(0):o._node.bufferSource.stop(0),t._cleanBuffer(o._node)}else isNaN(o._node.duration)&&o._node.duration!==1/0||o._node.pause();arguments[1]||t._emit("pause",o?o._id:null)}return t},stop:function(e,t){var n=this;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"stop",action:function(){n.stop(e)}}),n;for(var r=n._getSoundIds(e),o=0;o<r.length;o++){n._clearTimer(r[o]);var i=n._soundById(r[o]);i&&(i._seek=i._start||0,i._rateSeek=0,i._paused=!0,i._ended=!0,n._stopFade(r[o]),i._node&&(n._webAudio?i._node.bufferSource&&(void 0===i._node.bufferSource.stop?i._node.bufferSource.noteOff(0):i._node.bufferSource.stop(0),n._cleanBuffer(i._node)):isNaN(i._node.duration)&&i._node.duration!==1/0||(i._node.currentTime=i._start||0,i._node.pause(),i._node.duration===1/0&&n._clearSound(i._node))),t||n._emit("stop",i._id))}return n},mute:function(e,t){var n=this;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"mute",action:function(){n.mute(e,t)}}),n;if(void 0===t){if("boolean"!=typeof e)return n._muted;n._muted=e}for(var r=n._getSoundIds(t),o=0;o<r.length;o++){var a=n._soundById(r[o]);a&&(a._muted=e,a._interval&&n._stopFade(a._id),n._webAudio&&a._node?a._node.gain.setValueAtTime(e?0:a._volume,i.ctx.currentTime):a._node&&(a._node.muted=!!i._muted||e),n._emit("mute",a._id))}return n},volume:function(){var e,t,n,r=this,o=arguments;if(0===o.length)return r._volume;if(1===o.length||2===o.length&&void 0===o[1]?r._getSoundIds().indexOf(o[0])>=0?t=parseInt(o[0],10):e=parseFloat(o[0]):o.length>=2&&(e=parseFloat(o[0]),t=parseInt(o[1],10)),!(void 0!==e&&e>=0&&e<=1))return(n=t?r._soundById(t):r._sounds[0])?n._volume:0;if("loaded"!==r._state||r._playLock)return r._queue.push({event:"volume",action:function(){r.volume.apply(r,o)}}),r;void 0===t&&(r._volume=e),t=r._getSoundIds(t);for(var a=0;a<t.length;a++)(n=r._soundById(t[a]))&&(n._volume=e,o[2]||r._stopFade(t[a]),r._webAudio&&n._node&&!n._muted?n._node.gain.setValueAtTime(e,i.ctx.currentTime):n._node&&!n._muted&&(n._node.volume=e*i.volume()),r._emit("volume",n._id));return r},fade:function(e,t,n,r){var o=this;if("loaded"!==o._state||o._playLock)return o._queue.push({event:"fade",action:function(){o.fade(e,t,n,r)}}),o;e=Math.min(Math.max(0,parseFloat(e)),1),t=Math.min(Math.max(0,parseFloat(t)),1),n=parseFloat(n),o.volume(e,r);for(var a=o._getSoundIds(r),s=0;s<a.length;s++){var c=o._soundById(a[s]);if(c){if(r||o._stopFade(a[s]),o._webAudio&&!c._muted){var l=i.ctx.currentTime,u=l+n/1e3;c._volume=e,c._node.gain.setValueAtTime(e,l),c._node.gain.linearRampToValueAtTime(t,u)}o._startFadeInterval(c,e,t,n,a[s],void 0===r)}}return o},_startFadeInterval:function(e,t,n,r,o,i){var a=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 o=(Date.now()-d)/r;d=Date.now(),s+=c*o,s=Math.round(100*s)/100,s=c<0?Math.max(n,s):Math.min(n,s),a._webAudio?e._volume=s:a.volume(s,e._id,!0),i&&(a._volume=s),(n<t&&s<=n||n>t&&s>=n)&&(clearInterval(e._interval),e._interval=null,e._fadeTo=null,a.volume(n,e._id),a._emit("fade",e._id))}),u)},_stopFade:function(e){var t=this,n=t._soundById(e);return n&&n._interval&&(t._webAudio&&n._node.gain.cancelScheduledValues(i.ctx.currentTime),clearInterval(n._interval),n._interval=null,t.volume(n._fadeTo,e),n._fadeTo=null,t._emit("fade",e)),t},loop:function(){var e,t,n,r=this,o=arguments;if(0===o.length)return r._loop;if(1===o.length){if("boolean"!=typeof o[0])return!!(n=r._soundById(parseInt(o[0],10)))&&n._loop;e=o[0],r._loop=e}else 2===o.length&&(e=o[0],t=parseInt(o[1],10));for(var i=r._getSoundIds(t),a=0;a<i.length;a++)(n=r._soundById(i[a]))&&(n._loop=e,r._webAudio&&n._node&&n._node.bufferSource&&(n._node.bufferSource.loop=e,e&&(n._node.bufferSource.loopStart=n._start||0,n._node.bufferSource.loopEnd=n._stop,r.playing(i[a])&&(r.pause(i[a],!0),r.play(i[a],!0)))));return r},rate:function(){var e,t,n,r=this,o=arguments;if(0===o.length?t=r._sounds[0]._id:1===o.length?r._getSoundIds().indexOf(o[0])>=0?t=parseInt(o[0],10):e=parseFloat(o[0]):2===o.length&&(e=parseFloat(o[0]),t=parseInt(o[1],10)),"number"!=typeof e)return(n=r._soundById(t))?n._rate:r._rate;if("loaded"!==r._state||r._playLock)return r._queue.push({event:"rate",action:function(){r.rate.apply(r,o)}}),r;void 0===t&&(r._rate=e),t=r._getSoundIds(t);for(var a=0;a<t.length;a++)if(n=r._soundById(t[a])){r.playing(t[a])&&(n._rateSeek=r.seek(t[a]),n._playStart=r._webAudio?i.ctx.currentTime:n._playStart),n._rate=e,r._webAudio&&n._node&&n._node.bufferSource?n._node.bufferSource.playbackRate.setValueAtTime(e,i.ctx.currentTime):n._node&&(n._node.playbackRate=e);var s=r.seek(t[a]),c=1e3*((r._sprite[n._sprite][0]+r._sprite[n._sprite][1])/1e3-s)/Math.abs(n._rate);!r._endTimers[t[a]]&&n._paused||(r._clearTimer(t[a]),r._endTimers[t[a]]=setTimeout(r._ended.bind(r,n),c)),r._emit("rate",n._id)}return r},seek:function(){var e,t,n=this,r=arguments;if(0===r.length?n._sounds.length&&(t=n._sounds[0]._id):1===r.length?n._getSoundIds().indexOf(r[0])>=0?t=parseInt(r[0],10):n._sounds.length&&(t=n._sounds[0]._id,e=parseFloat(r[0])):2===r.length&&(e=parseFloat(r[0]),t=parseInt(r[1],10)),void 0===t)return 0;if("number"==typeof e&&("loaded"!==n._state||n._playLock))return n._queue.push({event:"seek",action:function(){n.seek.apply(n,r)}}),n;var o=n._soundById(t);if(o){if(!("number"==typeof e&&e>=0)){if(n._webAudio){var a=n.playing(t)?i.ctx.currentTime-o._playStart:0,s=o._rateSeek?o._rateSeek-o._seek:0;return o._seek+(s+a*Math.abs(o._rate))}return o._node.currentTime}var c=n.playing(t);c&&n.pause(t,!0),o._seek=e,o._ended=!1,n._clearTimer(t),n._webAudio||!o._node||isNaN(o._node.duration)||(o._node.currentTime=e);var l=function(){c&&n.play(t,!0),n._emit("seek",t)};if(c&&!n._webAudio){var u=function(){n._playLock?setTimeout(u,0):l()};setTimeout(u,0)}else l()}return n},playing:function(e){var t=this;if("number"==typeof e){var n=t._soundById(e);return!!n&&!n._paused}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,n=0;n<t.length;n++)t[n]._paused||e.stop(t[n]._id),e._webAudio||(e._clearSound(t[n]._node),t[n]._node.removeEventListener("error",t[n]._errorFn,!1),t[n]._node.removeEventListener(i._canPlayEvent,t[n]._loadFn,!1),t[n]._node.removeEventListener("ended",t[n]._endFn,!1),i._releaseHtml5Audio(t[n]._node)),delete t[n]._node,e._clearTimer(t[n]._id);var r=i._howls.indexOf(e);r>=0&&i._howls.splice(r,1);var o=!0;for(n=0;n<i._howls.length;n++)if(i._howls[n]._src===e._src||e._src.indexOf(i._howls[n]._src)>=0){o=!1;break}return c&&o&&delete c[e._src],i.noAudio=!1,e._state="unloaded",e._sounds=[],e=null,null},on:function(e,t,n,r){var o=this["_on"+e];return"function"==typeof t&&o.push(r?{id:n,fn:t,once:r}:{id:n,fn:t}),this},off:function(e,t,n){var r=this,o=r["_on"+e],i=0;if("number"==typeof t&&(n=t,t=null),t||n)for(i=0;i<o.length;i++){var a=n===o[i].id;if(t===o[i].fn&&a||!t&&a){o.splice(i,1);break}}else if(e)r["_on"+e]=[];else{var s=Object.keys(r);for(i=0;i<s.length;i++)0===s[i].indexOf("_on")&&Array.isArray(r[s[i]])&&(r[s[i]]=[])}return r},once:function(e,t,n){return this.on(e,t,n,1),this},_emit:function(e,t,n){for(var r=this,o=r["_on"+e],i=o.length-1;i>=0;i--)o[i].id&&o[i].id!==t&&"load"!==e||(setTimeout(function(e){e.call(this,t,n)}.bind(r,o[i].fn),0),o[i].once&&r.off(e,o[i].fn,o[i].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,n=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 r=!(!e._loop&&!t._sprite[n][2]);if(t._emit("end",e._id),!t._webAudio&&r&&t.stop(e._id,!0).play(e._id),t._webAudio&&r){t._emit("play",e._id),e._seek=e._start||0,e._rateSeek=0,e._playStart=i.ctx.currentTime;var o=1e3*(e._stop-e._start)/Math.abs(e._rate);t._endTimers[e._id]=setTimeout(t._ended.bind(t,e),o)}return t._webAudio&&!r&&(e._paused=!0,e._ended=!0,e._seek=e._start||0,e._rateSeek=0,t._clearTimer(e._id),t._cleanBuffer(e._node),i._autoSuspend()),t._webAudio||r||t.stop(e._id,!0),t},_clearTimer:function(e){var t=this;if(t._endTimers[e]){if("function"!=typeof t._endTimers[e])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 s(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){if(void 0===e){for(var t=[],n=0;n<this._sounds.length;n++)t.push(this._sounds[n]._id);return t}return[e]},_refreshBuffer:function(e){return e._node.bufferSource=i.ctx.createBufferSource(),e._node.bufferSource.buffer=c[this._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,i.ctx.currentTime),this},_cleanBuffer:function(e){var t=i._navigator&&i._navigator.vendor.indexOf("Apple")>=0;if(!e.bufferSource)return this;if(i._scratchBuffer&&e.bufferSource&&(e.bufferSource.onended=null,e.bufferSource.disconnect(0),t))try{e.bufferSource.buffer=i._scratchBuffer}catch(e){}return e.bufferSource=null,this},_clearSound:function(e){/MSIE |Trident\//.test(i._navigator&&i._navigator.userAgent)||(e.src="data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA")}};var s=function(e){this._parent=e,this.init()};s.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=++i._counter,t._sounds.push(e),e.create(),e},create:function(){var e=this,t=e._parent,n=i._muted||e._muted||e._parent._muted?0:e._volume;return t._webAudio?(e._node=void 0===i.ctx.createGain?i.ctx.createGainNode():i.ctx.createGain(),e._node.gain.setValueAtTime(n,i.ctx.currentTime),e._node.paused=!0,e._node.connect(i.masterGain)):i.noAudio||(e._node=i._obtainHtml5Audio(),e._errorFn=e._errorListener.bind(e),e._node.addEventListener("error",e._errorFn,!1),e._loadFn=e._loadListener.bind(e),e._node.addEventListener(i._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=!0===t._preload?"auto":t._preload,e._node.volume=n*i.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=++i._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(10*e._node.duration)/10,0===Object.keys(t._sprite).length&&(t._sprite={__default:[0,1e3*t._duration]}),"loaded"!==t._state&&(t._state="loaded",t._emit("load"),t._loadQueue()),e._node.removeEventListener(i._canPlayEvent,e._loadFn,!1)},_endListener:function(){var e=this,t=e._parent;t._duration===1/0&&(t._duration=Math.ceil(10*e._node.duration)/10,t._sprite.__default[1]===1/0&&(t._sprite.__default[1]=1e3*t._duration),t._ended(e)),e._node.removeEventListener("ended",e._endFn,!1)}};var c={},l=function(e){var t=e._src;if(c[t])return e._duration=c[t].duration,void p(e);if(/^data:[^;]+;base64,/.test(t)){for(var n=atob(t.split(",")[1]),r=new Uint8Array(n.length),o=0;o<n.length;++o)r[o]=n.charCodeAt(o);d(r.buffer,e)}else{var i=new XMLHttpRequest;i.open(e._xhr.method,t,!0),i.withCredentials=e._xhr.withCredentials,i.responseType="arraybuffer",e._xhr.headers&&Object.keys(e._xhr.headers).forEach((function(t){i.setRequestHeader(t,e._xhr.headers[t])})),i.onload=function(){var t=(i.status+"")[0];"0"===t||"2"===t||"3"===t?d(i.response,e):e._emit("loaderror",null,"Failed loading audio file with status: "+i.status+".")},i.onerror=function(){e._webAudio&&(e._html5=!0,e._webAudio=!1,e._sounds=[],delete c[t],e.load())},u(i)}},u=function(e){try{e.send()}catch(t){e.onerror()}},d=function(e,t){var n=function(){t._emit("loaderror",null,"Decoding audio data failed.")},r=function(e){e&&t._sounds.length>0?(c[t._src]=e,p(t,e)):n()};"undefined"!=typeof Promise&&1===i.ctx.decodeAudioData.length?i.ctx.decodeAudioData(e).then(r).catch(n):i.ctx.decodeAudioData(e,r,n)},p=function(e,t){t&&!e._duration&&(e._duration=t.duration),0===Object.keys(e._sprite).length&&(e._sprite={__default:[0,1e3*e._duration]}),"loaded"!==e._state&&(e._state="loaded",e._emit("load"),e._loadQueue())},f=function(){if(i.usingWebAudio){try{"undefined"!=typeof AudioContext?i.ctx=new AudioContext:"undefined"!=typeof webkitAudioContext?i.ctx=new webkitAudioContext:i.usingWebAudio=!1}catch(e){i.usingWebAudio=!1}i.ctx||(i.usingWebAudio=!1);var e=/iP(hone|od|ad)/.test(i._navigator&&i._navigator.platform),t=i._navigator&&i._navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/),n=t?parseInt(t[1],10):null;if(e&&n&&n<9){var r=/safari/.test(i._navigator&&i._navigator.userAgent.toLowerCase());i._navigator&&!r&&(i.usingWebAudio=!1)}i.usingWebAudio&&(i.masterGain=void 0===i.ctx.createGain?i.ctx.createGainNode():i.ctx.createGain(),i.masterGain.gain.setValueAtTime(i._muted?0:i._volume,i.ctx.currentTime),i.masterGain.connect(i.ctx.destination)),i._setup()}};void 0===(r=function(){return{Howler:i,Howl:a}}.apply(t,[]))||(e.exports=r),t.Howler=i,t.Howl=a,void 0!==n.g?(n.g.HowlerGlobal=o,n.g.Howler=i,n.g.Howl=a,n.g.Sound=s):"undefined"!=typeof window&&(window.HowlerGlobal=o,window.Howler=i,window.Howl=a,window.Sound=s)}(),function(){var e;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;return r.ctx&&r.ctx.listener?(t="number"!=typeof t?r._pos[1]:t,n="number"!=typeof n?r._pos[2]:n,"number"!=typeof e?r._pos:(r._pos=[e,t,n],void 0!==r.ctx.listener.positionX?(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)):r.ctx.listener.setPosition(r._pos[0],r._pos[1],r._pos[2]),r)):r},HowlerGlobal.prototype.orientation=function(e,t,n,r,o,i){var a=this;if(!a.ctx||!a.ctx.listener)return a;var s=a._orientation;return t="number"!=typeof t?s[1]:t,n="number"!=typeof n?s[2]:n,r="number"!=typeof r?s[3]:r,o="number"!=typeof o?s[4]:o,i="number"!=typeof i?s[5]:i,"number"!=typeof e?s:(a._orientation=[e,t,n,r,o,i],void 0!==a.ctx.listener.forwardX?(a.ctx.listener.forwardX.setTargetAtTime(e,Howler.ctx.currentTime,.1),a.ctx.listener.forwardY.setTargetAtTime(t,Howler.ctx.currentTime,.1),a.ctx.listener.forwardZ.setTargetAtTime(n,Howler.ctx.currentTime,.1),a.ctx.listener.upX.setTargetAtTime(r,Howler.ctx.currentTime,.1),a.ctx.listener.upY.setTargetAtTime(o,Howler.ctx.currentTime,.1),a.ctx.listener.upZ.setTargetAtTime(i,Howler.ctx.currentTime,.1)):a.ctx.listener.setOrientation(e,t,n,r,o,i),a)},Howl.prototype.init=(e=Howl.prototype.init,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:void 0!==t.coneInnerAngle?t.coneInnerAngle:360,coneOuterAngle:void 0!==t.coneOuterAngle?t.coneOuterAngle:360,coneOuterGain:void 0!==t.coneOuterGain?t.coneOuterGain:0,distanceModel:void 0!==t.distanceModel?t.distanceModel:"inverse",maxDistance:void 0!==t.maxDistance?t.maxDistance:1e4,panningModel:void 0!==t.panningModel?t.panningModel:"HRTF",refDistance:void 0!==t.refDistance?t.refDistance:1,rolloffFactor:void 0!==t.rolloffFactor?t.rolloffFactor:1},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.stereo=function(e,n){var r=this;if(!r._webAudio)return r;if("loaded"!==r._state)return r._queue.push({event:"stereo",action:function(){r.stereo(e,n)}}),r;var o=void 0===Howler.ctx.createStereoPanner?"spatial":"stereo";if(void 0===n){if("number"!=typeof e)return r._stereo;r._stereo=e,r._pos=[e,0,0]}for(var i=r._getSoundIds(n),a=0;a<i.length;a++){var s=r._soundById(i[a]);if(s){if("number"!=typeof e)return s._stereo;s._stereo=e,s._pos=[e,0,0],s._node&&(s._pannerAttr.panningModel="equalpower",s._panner&&s._panner.pan||t(s,o),"spatial"===o?void 0!==s._panner.positionX?(s._panner.positionX.setValueAtTime(e,Howler.ctx.currentTime),s._panner.positionY.setValueAtTime(0,Howler.ctx.currentTime),s._panner.positionZ.setValueAtTime(0,Howler.ctx.currentTime)):s._panner.setPosition(e,0,0):s._panner.pan.setValueAtTime(e,Howler.ctx.currentTime)),r._emit("stereo",s._id)}}return r},Howl.prototype.pos=function(e,n,r,o){var i=this;if(!i._webAudio)return i;if("loaded"!==i._state)return i._queue.push({event:"pos",action:function(){i.pos(e,n,r,o)}}),i;if(n="number"!=typeof n?0:n,r="number"!=typeof r?-.5:r,void 0===o){if("number"!=typeof e)return i._pos;i._pos=[e,n,r]}for(var a=i._getSoundIds(o),s=0;s<a.length;s++){var c=i._soundById(a[s]);if(c){if("number"!=typeof e)return c._pos;c._pos=[e,n,r],c._node&&(c._panner&&!c._panner.pan||t(c,"spatial"),void 0!==c._panner.positionX?(c._panner.positionX.setValueAtTime(e,Howler.ctx.currentTime),c._panner.positionY.setValueAtTime(n,Howler.ctx.currentTime),c._panner.positionZ.setValueAtTime(r,Howler.ctx.currentTime)):c._panner.setPosition(e,n,r)),i._emit("pos",c._id)}}return i},Howl.prototype.orientation=function(e,n,r,o){var i=this;if(!i._webAudio)return i;if("loaded"!==i._state)return i._queue.push({event:"orientation",action:function(){i.orientation(e,n,r,o)}}),i;if(n="number"!=typeof n?i._orientation[1]:n,r="number"!=typeof r?i._orientation[2]:r,void 0===o){if("number"!=typeof e)return i._orientation;i._orientation=[e,n,r]}for(var a=i._getSoundIds(o),s=0;s<a.length;s++){var c=i._soundById(a[s]);if(c){if("number"!=typeof e)return c._orientation;c._orientation=[e,n,r],c._node&&(c._panner||(c._pos||(c._pos=i._pos||[0,0,-.5]),t(c,"spatial")),void 0!==c._panner.orientationX?(c._panner.orientationX.setValueAtTime(e,Howler.ctx.currentTime),c._panner.orientationY.setValueAtTime(n,Howler.ctx.currentTime),c._panner.orientationZ.setValueAtTime(r,Howler.ctx.currentTime)):c._panner.setOrientation(e,n,r)),i._emit("orientation",c._id)}}return i},Howl.prototype.pannerAttr=function(){var e,n,r,o=this,i=arguments;if(!o._webAudio)return o;if(0===i.length)return o._pannerAttr;if(1===i.length){if("object"!=typeof i[0])return(r=o._soundById(parseInt(i[0],10)))?r._pannerAttr:o._pannerAttr;e=i[0],void 0===n&&(e.pannerAttr||(e.pannerAttr={coneInnerAngle:e.coneInnerAngle,coneOuterAngle:e.coneOuterAngle,coneOuterGain:e.coneOuterGain,distanceModel:e.distanceModel,maxDistance:e.maxDistance,refDistance:e.refDistance,rolloffFactor:e.rolloffFactor,panningModel:e.panningModel}),o._pannerAttr={coneInnerAngle:void 0!==e.pannerAttr.coneInnerAngle?e.pannerAttr.coneInnerAngle:o._coneInnerAngle,coneOuterAngle:void 0!==e.pannerAttr.coneOuterAngle?e.pannerAttr.coneOuterAngle:o._coneOuterAngle,coneOuterGain:void 0!==e.pannerAttr.coneOuterGain?e.pannerAttr.coneOuterGain:o._coneOuterGain,distanceModel:void 0!==e.pannerAttr.distanceModel?e.pannerAttr.distanceModel:o._distanceModel,maxDistance:void 0!==e.pannerAttr.maxDistance?e.pannerAttr.maxDistance:o._maxDistance,refDistance:void 0!==e.pannerAttr.refDistance?e.pannerAttr.refDistance:o._refDistance,rolloffFactor:void 0!==e.pannerAttr.rolloffFactor?e.pannerAttr.rolloffFactor:o._rolloffFactor,panningModel:void 0!==e.pannerAttr.panningModel?e.pannerAttr.panningModel:o._panningModel})}else 2===i.length&&(e=i[0],n=parseInt(i[1],10));for(var a=o._getSoundIds(n),s=0;s<a.length;s++)if(r=o._soundById(a[s])){var c=r._pannerAttr;c={coneInnerAngle:void 0!==e.coneInnerAngle?e.coneInnerAngle:c.coneInnerAngle,coneOuterAngle:void 0!==e.coneOuterAngle?e.coneOuterAngle:c.coneOuterAngle,coneOuterGain:void 0!==e.coneOuterGain?e.coneOuterGain:c.coneOuterGain,distanceModel:void 0!==e.distanceModel?e.distanceModel:c.distanceModel,maxDistance:void 0!==e.maxDistance?e.maxDistance:c.maxDistance,refDistance:void 0!==e.refDistance?e.refDistance:c.refDistance,rolloffFactor:void 0!==e.rolloffFactor?e.rolloffFactor:c.rolloffFactor,panningModel:void 0!==e.panningModel?e.panningModel:c.panningModel};var l=r._panner;l||(r._pos||(r._pos=o._pos||[0,0,-.5]),t(r,"spatial"),l=r._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 o},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 t=function(e,t){"spatial"===(t=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,void 0!==e._panner.positionX?(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.setPosition(e._pos[0],e._pos[1],e._pos[2]),void 0!==e._panner.orientationX?(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.setOrientation(e._orientation[0],e._orientation[1],e._orientation[2])):(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)}}()},4801:function(e,t,n){var r;!function(o,i,a){var s,c=256,l=a.pow(c,6),u=a.pow(2,52),d=2*u,p=255;function f(e,t,n){var r=[],p=g(v((t=1==t?{entropy:!0}:t||{}).entropy?[e,y(i)]:null==e?function(){try{var e;return s&&(e=s.randomBytes)?e=e(c):(e=new Uint8Array(c),(o.crypto||o.msCrypto).getRandomValues(e)),y(e)}catch(e){var t=o.navigator,n=t&&t.plugins;return[+new Date,o,n,o.screen,y(i)]}}():e,3),r),f=new m(r),_=function(){for(var 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