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/*! * wavesurfer.js 2.0.6 (Fri Jun 15 2018 10:57:58 GMT+0200 (CEST)) * https://github.com/katspaugh/wavesurfer.js * @license BSD-3-Clause */ !function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("WaveSurfer",[],t):"object"==typeof exports?exports.WaveSurfer=t():e.WaveSurfer=t()}(window,function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var i=t[n]={i:n,l:!1,exports:{}};return e[n].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)r.d(n,i,function(t){return e[t]}.bind(null,i));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=17)}([function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=r(16);Object.defineProperty(t,"ajax",{enumerable:!0,get:function(){return p(n).default}});var i=r(15);Object.defineProperty(t,"getId",{enumerable:!0,get:function(){return p(i).default}});var a=r(14);Object.defineProperty(t,"max",{enumerable:!0,get:function(){return p(a).default}});var s=r(13);Object.defineProperty(t,"min",{enumerable:!0,get:function(){return p(s).default}});var o=r(3);Object.defineProperty(t,"Observer",{enumerable:!0,get:function(){return p(o).default}});var u=r(12);Object.defineProperty(t,"extend",{enumerable:!0,get:function(){return p(u).default}});var l=r(11);Object.defineProperty(t,"style",{enumerable:!0,get:function(){return p(l).default}});var c=r(2);Object.defineProperty(t,"requestAnimationFrame",{enumerable:!0,get:function(){return p(c).default}});var h=r(10);Object.defineProperty(t,"frame",{enumerable:!0,get:function(){return p(h).default}});var f=r(9);Object.defineProperty(t,"debounce",{enumerable:!0,get:function(){return p(f).default}});var d=r(8);function p(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,"preventClick",{enumerable:!0,get:function(){return p(d).default}})},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),i=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t.default=e,t}(r(0));function a(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}var s="playing",o="paused",u="finished",l=function(e){function t(e){var r,n;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t);var i=function(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return i.audioContext=null,i.offlineAudioContext=null,i.stateBehaviors=(a(r={},s,{init:function(){this.addOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition+this.getPlayedTime()}}),a(r,o,{init:function(){this.removeOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition}}),a(r,u,{init:function(){this.removeOnAudioProcess(),this.fireEvent("finish")},getPlayedPercents:function(){return 1},getCurrentTime:function(){return this.getDuration()}}),r),i.params=e,i.ac=e.audioContext||i.getAudioContext(),i.lastPlay=i.ac.currentTime,i.startPosition=0,i.scheduledPause=null,i.states=(a(n={},s,Object.create(i.stateBehaviors[s])),a(n,o,Object.create(i.stateBehaviors[o])),a(n,u,Object.create(i.stateBehaviors[u])),n),i.analyser=null,i.buffer=null,i.filters=[],i.gainNode=null,i.mergedPeaks=null,i.offlineAc=null,i.peaks=null,i.playbackRate=1,i.analyser=null,i.scriptNode=null,i.source=null,i.splitPeaks=[],i.state=null,i.explicitDuration=null,i}return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}(t,i.Observer),n(t,[{key:"supportsWebAudio",value:function(){return!(!window.AudioContext&&!window.webkitAudioContext)}},{key:"getAudioContext",value:function(){return window.WaveSurferAudioContext||(window.WaveSurferAudioContext=new(window.AudioContext||window.webkitAudioContext)),window.WaveSurferAudioContext}},{key:"getOfflineAudioContext",value:function(e){return window.WaveSurferOfflineAudioContext||(window.WaveSurferOfflineAudioContext=new(window.OfflineAudioContext||window.webkitOfflineAudioContext)(1,2,e)),window.WaveSurferOfflineAudioContext}}]),n(t,[{key:"init",value:function(){this.createVolumeNode(),this.createScriptNode(),this.createAnalyserNode(),this.setState(o),this.setPlaybackRate(this.params.audioRate),this.setLength(0)}},{key:"disconnectFilters",value:function(){this.filters&&(this.filters.forEach(function(e){e&&e.disconnect()}),this.filters=null,this.analyser.connect(this.gainNode))}},{key:"setState",value:function(e){this.state!==this.states[e]&&(this.state=this.states[e],this.state.init.call(this))}},{key:"setFilter",value:function(){for(var e=arguments.length,t=Array(e),r=0;r<e;r++)t[r]=arguments[r];this.setFilters(t)}},{key:"setFilters",value:function(e){this.disconnectFilters(),e&&e.length&&(this.filters=e,this.analyser.disconnect(),e.reduce(function(e,t){return e.connect(t),t},this.analyser).connect(this.gainNode))}},{key:"createScriptNode",value:function(){this.params.audioScriptProcessor?this.scriptNode=this.params.audioScriptProcessor:this.ac.createScriptProcessor?this.scriptNode=this.ac.createScriptProcessor(t.scriptBufferSize):this.scriptNode=this.ac.createJavaScriptNode(t.scriptBufferSize),this.scriptNode.connect(this.ac.destination)}},{key:"addOnAudioProcess",value:function(){var e=this;this.scriptNode.onaudioprocess=function(){var t=e.getCurrentTime();t>=e.getDuration()?(e.setState(u),e.fireEvent("pause")):t>=e.scheduledPause?e.pause():e.state===e.states[s]&&e.fireEvent("audioprocess",t)}}},{key:"removeOnAudioProcess",value:function(){this.scriptNode.onaudioprocess=null}},{key:"createAnalyserNode",value:function(){this.analyser=this.ac.createAnalyser(),this.analyser.connect(this.gainNode)}},{key:"createVolumeNode",value:function(){this.ac.createGain?this.gainNode=this.ac.createGain():this.gainNode=this.ac.createGainNode(),this.gainNode.connect(this.ac.destination)}},{key:"setSinkId",value:function(e){if(e){var t=new window.Audio;if(!t.setSinkId)return Promise.reject(new Error("setSinkId is not supported in your browser"));t.autoplay=!0;var r=this.ac.createMediaStreamDestination();return this.gainNode.disconnect(),this.gainNode.connect(r),t.src=URL.createObjectURL(r.stream),t.setSinkId(e)}return Promise.reject(new Error("Invalid deviceId: "+e))}},{key:"setVolume",value:function(e){this.gainNode.gain.setValueAtTime(e,this.ac.currentTime)}},{key:"getVolume",value:function(){return this.gainNode.gain.value}},{key:"decodeArrayBuffer",value:function(e,t,r){this.offlineAc||(this.offlineAc=this.getOfflineAudioContext(this.ac?this.ac.sampleRate:44100)),this.offlineAc.decodeAudioData(e,function(e){return t(e)},r)}},{key:"setPeaks",value:function(e,t){this.explicitDuration=t,this.peaks=e}},{key:"setLength",value:function(e){if(!this.mergedPeaks||e!=2*this.mergedPeaks.length-1+2){this.splitPeaks=[],this.mergedPeaks=[];var t=this.buffer?this.buffer.numberOfChannels:1,r=void 0;for(r=0;r<t;r++)this.splitPeaks[r]=[],this.splitPeaks[r][2*(e-1)]=0,this.splitPeaks[r][2*(e-1)+1]=0;this.mergedPeaks[2*(e-1)]=0,this.mergedPeaks[2*(e-1)+1]=0}}},{key:"getPeaks",value:function(e,t,r){if(this.peaks)return this.peaks;if(t=t||0,r=r||e-1,this.setLength(e),!this.buffer.length){var n=this.createBuffer(1,4096,this.sampleRate);this.buffer=n.buffer}var i=this.buffer.length/e,a=~~(i/10)||1,s=this.buffer.numberOfChannels,o=void 0;for(o=0;o<s;o++){var u=this.splitPeaks[o],l=this.buffer.getChannelData(o),c=void 0;for(c=t;c<=r;c++){var h=~~(c*i),f=~~(h+i),d=0,p=0,v=void 0;for(v=h;v<f;v+=a){var y=l[v];y>p&&(p=y),y<d&&(d=y)}u[2*c]=p,u[2*c+1]=d,(0==o||p>this.mergedPeaks[2*c])&&(this.mergedPeaks[2*c]=p),(0==o||d<this.mergedPeaks[2*c+1])&&(this.mergedPeaks[2*c+1]=d)}}return this.params.splitChannels?this.splitPeaks:this.mergedPeaks}},{key:"getPlayedPercents",value:function(){return this.state.getPlayedPercents.call(this)}},{key:"disconnectSource",value:function(){this.source&&this.source.disconnect()}},{key:"destroy",value:function(){this.isPaused()||this.pause(),this.unAll(),this.buffer=null,this.disconnectFilters(),this.disconnectSource(),this.gainNode.disconnect(),this.scriptNode.disconnect(),this.analyser.disconnect(),this.params.closeAudioContext&&("function"==typeof this.ac.close&&"closed"!=this.ac.state&&this.ac.close(),this.ac=null,this.params.audioContext?this.params.audioContext=null:window.WaveSurferAudioContext=null,window.WaveSurferOfflineAudioContext=null)}},{key:"load",value:function(e){this.startPosition=0,this.lastPlay=this.ac.currentTime,this.buffer=e,this.createSource()}},{key:"createSource",value:function(){this.disconnectSource(),this.source=this.ac.createBufferSource(),this.source.start=this.source.start||this.source.noteGrainOn,this.source.stop=this.source.stop||this.source.noteOff,this.source.playbackRate.setValueAtTime(this.playbackRate,this.ac.currentTime),this.source.buffer=this.buffer,this.source.connect(this.analyser)}},{key:"isPaused",value:function(){return this.state!==this.states[s]}},{key:"getDuration",value:function(){return this.buffer?this.buffer.duration:this.explicitDuration?this.explicitDuration:0}},{key:"seekTo",value:function(e,t){if(this.buffer)return this.scheduledPause=null,null==e&&(e=this.getCurrentTime())>=this.getDuration()&&(e=0),null==t&&(t=this.getDuration()),this.startPosition=e,this.lastPlay=this.ac.currentTime,this.state===this.states[u]&&this.setState(o),{start:e,end:t}}},{key:"getPlayedTime",value:function(){return(this.ac.currentTime-this.lastPlay)*this.playbackRate}},{key:"play",value:function(e,t){if(this.buffer){this.createSource();var r=this.seekTo(e,t);e=r.start,t=r.end,this.scheduledPause=t,this.source.start(0,e,t-e),"suspended"==this.ac.state&&this.ac.resume&&this.ac.resume(),this.setState(s),this.fireEvent("play")}}},{key:"pause",value:function(){this.scheduledPause=null,this.startPosition+=this.getPlayedTime(),this.source&&this.source.stop(0),this.setState(o),this.fireEvent("pause")}},{key:"getCurrentTime",value:function(){return this.state.getCurrentTime.call(this)}},{key:"getPlaybackRate",value:function(){return this.playbackRate}},{key:"setPlaybackRate",value:function(e){e=e||1,this.isPaused()?this.playbackRate=e:(this.pause(),this.playbackRate=e,this.play())}}]),t}();l.scriptBufferSize=256,t.default=l,e.exports=t.default},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=(window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(e,t){return setTimeout(e,1e3/60)}).bind(window),e.exports=t.default},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();var i=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.handlers=null}return n(e,[{key:"on",value:function(e,t){var r=this;this.handlers||(this.handlers={});var n=this.handlers[e];return n||(n=this.handlers[e]=[]),n.push(t),{name:e,callback:t,un:function(e,t){return r.un(e,t)}}}},{key:"un",value:function(e,t){if(this.handlers){var r=this.handlers[e],n=void 0;if(r)if(t)for(n=r.length-1;n>=0;n--)r[n]==t&&r.splice(n,1);else r.length=0}}},{key:"unAll",value:function(){this.handlers=null}},{key:"once",value:function(e,t){var r=this;return this.on(e,function n(){for(var i=arguments.length,a=Array(i),s=0;s<i;s++)a[s]=arguments[s];t.apply(r,a),setTimeout(function(){r.un(e,n)},0)})}},{key:"fireEvent",value:function(e){for(var t=arguments.length,r=Array(t>1?t-1:0),n=1;n<t;n++)r[n-1]=arguments[n];if(this.handlers){var i=this.handlers[e];i&&i.forEach(function(e){e.apply(void 0,r)})}}}]),e}();t.default=i,e.exports=t.default},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();var i=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.clearPeakCache()}return n(e,[{key:"clearPeakCache",value:function(){this.peakCacheRanges=[],this.peakCacheLength=-1}},{key:"addRangeToPeakCache",value:function(e,t,r){e!=this.peakCacheLength&&(this.clearPeakCache(),this.peakCacheLength=e);for(var n=[],i=0;i<this.peakCacheRanges.length&&this.peakCacheRanges[i]<t;)i++;for(i%2==0&&n.push(t);i<this.peakCacheRanges.length&&this.peakCacheRanges[i]<=r;)n.push(this.peakCacheRanges[i]),i++;i%2==0&&n.push(r),n=n.filter(function(e,t,r){return 0==t?e!=r[t+1]:t==r.length-1?e!=r[t-1]:e!=r[t-1]&&e!=r[t+1]}),this.peakCacheRanges=this.peakCacheRanges.concat(n),this.peakCacheRanges=this.peakCacheRanges.sort(function(e,t){return e-t}).filter(function(e,t,r){return 0==t?e!=r[t+1]:t==r.length-1?e!=r[t-1]:e!=r[t-1]&&e!=r[t+1]});var a=[];for(i=0;i<n.length;i+=2)a.push([n[i],n[i+1]]);return a}},{key:"getCacheRanges",value:function(){var e=[],t=void 0;for(t=0;t<this.peakCacheRanges.length;t+=2)e.push([this.peakCacheRanges[t],this.peakCacheRanges[t+1]]);return e}}]),e}();t.default=i,e.exports=t.default},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n,i=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),a=r(1),s=(n=a)&&n.__esModule?n:{default:n};!function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);t.default=e}(r(0));var o=function(e){function t(e){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t);var r=function(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e));return r.params=e,r.media={currentTime:0,duration:0,paused:!0,playbackRate:1,play:function(){},pause:function(){},volume:0},r.mediaType=e.mediaType.toLowerCase(),r.elementPosition=e.elementPosition,r.peaks=null,r.playbackRate=1,r.volume=1,r.buffer=null,r.onPlayEnd=null,r}return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}(t,s.default),i(t,[{key:"init",value:function(){this.setPlaybackRate(this.params.audioRate),this.createTimer()}},{key:"createTimer",value:function(){var e=this;this.on("play",function t(){e.isPaused()||(e.fireEvent("audioprocess",e.getCurrentTime()),(window.requestAnimationFrame||window.webkitRequestAnimationFrame)(t))}),this.on("pause",function(){e.fireEvent("audioprocess",e.getCurrentTime())})}},{key:"load",value:function(e,t,r,n){var i=document.createElement(this.mediaType);i.controls=this.params.mediaControls,i.autoplay=this.params.autoplay||!1,i.preload=null==n?"auto":n,i.src=e,i.style.width="100%";var a=t.querySelector(this.mediaType);a&&t.removeChild(a),t.appendChild(i),this._load(i,r)}},{key:"loadElt",value:function(e,t){e.controls=this.params.mediaControls,e.autoplay=this.params.autoplay||!1,this._load(e,t)}},{key:"_load",value:function(e,t){var r=this;"function"==typeof e.load&&e.load(),e.addEventListener("error",function(){r.fireEvent("error","Error loading media element")}),e.addEventListener("canplay",function(){r.fireEvent("canplay")}),e.addEventListener("ended",function(){r.fireEvent("finish")}),e.addEventListener("play",function(){r.fireEvent("play")}),e.addEventListener("pause",function(){r.fireEvent("pause")}),this.media=e,this.peaks=t,this.onPlayEnd=null,this.buffer=null,this.setPlaybackRate(this.playbackRate),this.setVolume(this.volume)}},{key:"isPaused",value:function(){return!this.media||this.media.paused}},{key:"getDuration",value:function(){if(this.explicitDuration)return this.explicitDuration;var e=(this.buffer||this.media).duration;return e>=1/0&&(e=this.media.seekable.end(0)),e}},{key:"getCurrentTime",value:function(){return this.media&&this.media.currentTime}},{key:"getPlayedPercents",value:function(){return this.getCurrentTime()/this.getDuration()||0}},{key:"getPlaybackRate",value:function(){return this.playbackRate||this.media.playbackRate}},{key:"setPlaybackRate",value:function(e){this.playbackRate=e||1,this.media.playbackRate=this.playbackRate}},{key:"seekTo",value:function(e){null!=e&&(this.media.currentTime=e),this.clearPlayEnd()}},{key:"play",value:function(e,t){this.seekTo(e);var r=this.media.play();return t&&this.setPlayEnd(t),r}},{key:"pause",value:function(){var e=void 0;return this.media&&(e=this.media.pause()),this.clearPlayEnd(),e}},{key:"setPlayEnd",value:function(e){var t=this;this._onPlayEnd=function(r){r>=e&&(t.pause(),t.seekTo(e))},this.on("audioprocess",this._onPlayEnd)}},{key:"clearPlayEnd",value:function(){this._onPlayEnd&&(this.un("audioprocess",this._onPlayEnd),this._onPlayEnd=null)}},{key:"getPeaks",value:function(e,r,n){return this.buffer?function e(t,r,n){null===t&&(t=Function.prototype);var i=Object.getOwnPropertyDescriptor(t,r);if(void 0===i){var a=Object.getPrototypeOf(t);return null===a?void 0:e(a,r,n)}if("value"in i)return i.value;var s=i.get;return void 0!==s?s.call(n):void 0}(t.prototype.__proto__||Object.getPrototypeOf(t.prototype),"getPeaks",this).call(this,e,r,n):this.peaks||[]}},{key:"setSinkId",value:function(e){return e?this.media.setSinkId?this.media.setSinkId(e):Promise.reject(new Error("setSinkId is not supported in your browser")):Promise.reject(new Error("Invalid deviceId: "+e))}},{key:"getVolume",value:function(){return 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property!");e.staticProps&&Object.keys(e.staticProps).forEach(function(r){t[r]=e.staticProps[r]});var r=e.instance;return Object.getOwnPropertyNames(i.Observer.prototype).forEach(function(e){r.prototype[e]=i.Observer.prototype[e]}),this[e.name]=new r(e.params||{},this),this.fireEvent("plugin-added",e.name),this}},{key:"initPlugin",value:function(e){if(!this[e])throw new Error("Plugin "+e+" has not been added yet!");return this.initialisedPluginList[e]&&this.destroyPlugin(e),this[e].init(),this.initialisedPluginList[e]=!0,this.fireEvent("plugin-initialised",e),this}},{key:"destroyPlugin",value:function(e){if(!this[e])throw new Error("Plugin "+e+" has not been added yet and cannot be destroyed!");if(!this.initialisedPluginList[e])throw new Error("Plugin "+e+" is not active and cannot be destroyed!");if("function"!=typeof this[e].destroy)throw new Error("Plugin "+e+" does not have a destroy function!");return this[e].destroy(),delete this.initialisedPluginList[e],this.fireEvent("plugin-destroyed",e),this}},{key:"destroyAllPlugins",value:function(){var e=this;Object.keys(this.initialisedPluginList).forEach(function(t){return e.destroyPlugin(t)})}},{key:"createDrawer",value:function(){var e=this;this.drawer=new this.Drawer(this.container,this.params),this.drawer.init(),this.fireEvent("drawer-created",this.drawer),!1!==this.params.responsive&&(window.addEventListener("resize",this._onResize,!0),window.addEventListener("orientationchange",this._onResize,!0)),this.drawer.on("redraw",function(){e.drawBuffer(),e.drawer.progress(e.backend.getPlayedPercents())}),this.drawer.on("click",function(t,r){setTimeout(function(){return e.seekTo(r)},0)}),this.drawer.on("scroll",function(t){e.params.partialRender&&e.drawBuffer(),e.fireEvent("scroll",t)})}},{key:"createBackend",value:function(){var e=this;this.backend&&this.backend.destroy(),"AudioElement"==this.params.backend&&(this.params.backend="MediaElement"),"WebAudio"!=this.params.backend||this.Backend.prototype.supportsWebAudio.call(null)||(this.params.backend="MediaElement"),this.backend=new this.Backend(this.params),this.backend.init(),this.fireEvent("backend-created",this.backend),this.backend.on("finish",function(){return e.fireEvent("finish")}),this.backend.on("play",function(){return e.fireEvent("play")}),this.backend.on("pause",function(){return e.fireEvent("pause")}),this.backend.on("audioprocess",function(t){e.drawer.progress(e.backend.getPlayedPercents()),e.fireEvent("audioprocess",t)})}},{key:"createPeakCache",value:function(){this.params.partialRender&&(this.peakCache=new u.default)}},{key:"getDuration",value:function(){return this.backend.getDuration()}},{key:"getCurrentTime",value:function(){return this.backend.getCurrentTime()}},{key:"setCurrentTime",value:function(e){e>=this.getDuration()?this.seekTo(1):this.seekTo(e/this.getDuration())}},{key:"play",value:function(e,t){var r=this;return this.fireEvent("interaction",function(){return r.play(e,t)}),this.backend.play(e,t)}},{key:"pause",value:function(){if(!this.backend.isPaused())return this.backend.pause()}},{key:"playPause",value:function(){return this.backend.isPaused()?this.play():this.pause()}},{key:"isPlaying",value:function(){return!this.backend.isPaused()}},{key:"skipBackward",value:function(e){this.skip(-e||-this.params.skipLength)}},{key:"skipForward",value:function(e){this.skip(e||this.params.skipLength)}},{key:"skip",value:function(e){var t=this.getDuration()||1,r=this.getCurrentTime()||0;r=Math.max(0,Math.min(t,r+(e||0))),this.seekAndCenter(r/t)}},{key:"seekAndCenter",value:function(e){this.seekTo(e),this.drawer.recenter(e)}},{key:"seekTo",value:function(e){var t=this;if("number"!=typeof e||!isFinite(e)||e<0||e>1)return console.error("Error calling wavesurfer.seekTo, parameter must be a number between 0 and 1!");this.fireEvent("interaction",function(){return t.seekTo(e)});var r=this.backend.isPaused();r||this.backend.pause();var n=this.params.scrollParent;this.params.scrollParent=!1,this.backend.seekTo(e*this.getDuration()),this.drawer.progress(e),r||this.backend.play(),this.params.scrollParent=n,this.fireEvent("seek",e)}},{key:"stop",value:function(){this.pause(),this.seekTo(0),this.drawer.progress(0)}},{key:"setSinkId",value:function(e){return this.backend.setSinkId(e)}},{key:"setVolume",value:function(e){this.backend.setVolume(e),this.fireEvent("volume",e)}},{key:"getVolume",value:function(){return this.backend.getVolume()}},{key:"setPlaybackRate",value:function(e){this.backend.setPlaybackRate(e)}},{key:"getPlaybackRate",value:function(){return this.backend.getPlaybackRate()}},{key:"toggleMute",value:function(){this.setMute(!this.isMuted)}},{key:"setMute",value:function(e){e!==this.isMuted?(e?(this.savedVolume=this.backend.getVolume(),this.backend.setVolume(0),this.isMuted=!0,this.fireEvent("volume",0)):(this.backend.setVolume(this.savedVolume),this.isMuted=!1,this.fireEvent("volume",this.savedVolume)),this.fireEvent("mute",this.isMuted)):this.fireEvent("mute",this.isMuted)}},{key:"getMute",value:function(){return this.isMuted}},{key:"isReady",value:function(){return this.isReady}},{key:"getFilters",value:function(){return this.backend.filters||[]}},{key:"toggleScroll",value:function(){this.params.scrollParent=!this.params.scrollParent,this.drawBuffer()}},{key:"toggleInteraction",value:function(){this.params.interact=!this.params.interact}},{key:"getWaveColor",value:function(){return this.params.waveColor}},{key:"setWaveColor",value:function(e){this.params.waveColor=e,this.drawBuffer()}},{key:"getProgressColor",value:function(){return this.params.progressColor}},{key:"setProgressColor",value:function(e){this.params.progressColor=e,this.drawBuffer()}},{key:"getCursorColor",value:function(){return this.params.cursorColor}},{key:"setCursorColor",value:function(e){this.params.cursorColor=e,this.drawer.updateCursor()}},{key:"getHeight",value:function(){return this.params.height}},{key:"setHeight",value:function(e){this.params.height=e,this.drawer.setHeight(e*this.params.pixelRatio),this.drawBuffer()}},{key:"drawBuffer",value:function(){var e=Math.round(this.getDuration()*this.params.minPxPerSec*this.params.pixelRatio),t=this.drawer.getWidth(),r=e,n=this.drawer.getScrollX(),i=Math.max(n+t,r);this.params.fillParent&&(!this.params.scrollParent||e<t)&&(n=0,i=r=t);var a=void 0;if(this.params.partialRender){var s=this.peakCache.addRangeToPeakCache(r,n,i),o=void 0;for(o=0;o<s.length;o++)a=this.backend.getPeaks(r,s[o][0],s[o][1]),this.drawer.drawPeaks(a,r,s[o][0],s[o][1])}else a=this.backend.getPeaks(r,n,i),this.drawer.drawPeaks(a,r,n,i);this.fireEvent("redraw",a,r)}},{key:"zoom",value:function(e){e?(this.params.minPxPerSec=e,this.params.scrollParent=!0):(this.params.minPxPerSec=this.defaultParams.minPxPerSec,this.params.scrollParent=!1),this.drawBuffer(),this.drawer.progress(this.backend.getPlayedPercents()),this.drawer.recenter(this.getCurrentTime()/this.getDuration()),this.fireEvent("zoom",e)}},{key:"loadArrayBuffer",value:function(e){var t=this;this.decodeArrayBuffer(e,function(e){t.isDestroyed||t.loadDecodedBuffer(e)})}},{key:"loadDecodedBuffer",value:function(e){this.backend.load(e),this.drawBuffer(),this.fireEvent("ready"),this.isReady=!0}},{key:"loadBlob",value:function(e){var t=this,r=new FileReader;r.addEventListener("progress",function(e){return t.onProgress(e)}),r.addEventListener("load",function(e){return t.loadArrayBuffer(e.target.result)}),r.addEventListener("error",function(){return t.fireEvent("error","Error reading file")}),r.readAsArrayBuffer(e),this.empty()}},{key:"load",value:function(e,t,r,n){if(this.empty(),r){var i={"Preload is not 'auto', 'none' or 'metadata'":-1===["auto","metadata","none"].indexOf(r),"Peaks are not provided":!t,"Backend is not of type MediaElement":"MediaElement"!==this.params.backend,"Url is not of type string":"string"!=typeof e},a=Object.keys(i).filter(function(e){return i[e]});a.length&&(console.warn("Preload parameter of wavesurfer.load will be ignored because:\n\t- "+a.join("\n\t- ")),r=null)}switch(this.params.backend){case"WebAudio":return this.loadBuffer(e,t,n);case"MediaElement":return this.loadMediaElement(e,t,r,n)}}},{key:"loadBuffer",value:function(e,t,r){var n=this,i=function(t){return t&&n.tmpEvents.push(n.once("ready",t)),n.getArrayBuffer(e,function(e){return n.loadArrayBuffer(e)})};if(!t)return i();this.backend.setPeaks(t,r),this.drawBuffer(),this.tmpEvents.push(this.once("interaction",i))}},{key:"loadMediaElement",value:function(e,t,r,n){var i=this,a=e;if("string"==typeof e)this.backend.load(a,this.mediaContainer,t,r);else{var s=e;this.backend.loadElt(s,t),a=s.src}this.tmpEvents.push(this.backend.once("canplay",function(){i.drawBuffer(),i.fireEvent("ready"),i.isReady=!0}),this.backend.once("error",function(e){return i.fireEvent("error",e)})),t&&this.backend.setPeaks(t,n),t&&!this.params.forceDecode||!this.backend.supportsWebAudio()||this.getArrayBuffer(a,function(e){i.decodeArrayBuffer(e,function(e){i.backend.buffer=e,i.backend.setPeaks(null),i.drawBuffer(),i.fireEvent("waveform-ready")})})}},{key:"decodeArrayBuffer",value:function(e,t){var r=this;this.arraybuffer=e,this.backend.decodeArrayBuffer(e,function(n){r.isDestroyed||r.arraybuffer!=e||(t(n),r.arraybuffer=null)},function(){return r.fireEvent("error","Error decoding audiobuffer")})}},{key:"getArrayBuffer",value:function(e,t){var r=this,n=i.ajax({url:e,responseType:"arraybuffer",xhr:this.params.xhr});return this.currentAjax=n,this.tmpEvents.push(n.on("progress",function(e){r.onProgress(e)}),n.on("success",function(e,n){t(e),r.currentAjax=null}),n.on("error",function(e){r.fireEvent("error","XHR error: "+e.target.statusText),r.currentAjax=null})),n}},{key:"onProgress",value:function(e){var t=void 0;t=e.lengthComputable?e.loaded/e.total:e.loaded/(e.loaded+1e6),this.fireEvent("loading",Math.round(100*t),e.target)}},{key:"exportPCM",value:function(e,t,r,n){e=e||1024,n=n||0,t=t||1e4,r=r||!1;var i=this.backend.getPeaks(e,n),a=[].map.call(i,function(e){return Math.round(e*t)/t}),s=JSON.stringify(a);return r||window.open("data:application/json;charset=utf-8,"+encodeURIComponent(s)),s}},{key:"exportImage",value:function(e,t){return e||(e="image/png"),t||(t=1),this.drawer.getImage(e,t)}},{key:"cancelAjax",value:function(){this.currentAjax&&(this.currentAjax.xhr.abort(),this.currentAjax=null)}},{key:"clearTmpEvents",value:function(){this.tmpEvents.forEach(function(e){return e.un()})}},{key:"empty",value:function(){this.backend.isPaused()||(this.stop(),this.backend.disconnectSource()),this.cancelAjax(),this.clearTmpEvents(),this.drawer.progress(0),this.drawer.setWidth(0),this.drawer.drawPeaks({length:this.drawer.getWidth()},0)}},{key:"destroy",value:function(){this.destroyAllPlugins(),this.fireEvent("destroy"),this.cancelAjax(),this.clearTmpEvents(),this.unAll(),!1!==this.params.responsive&&(window.removeEventListener("resize",this._onResize,!0),window.removeEventListener("orientationchange",this._onResize,!0)),this.backend.destroy(),this.drawer.destroy(),this.isDestroyed=!0,this.arraybuffer=null}}]),t}();f.util=i,t.default=f,e.exports=t.default}])}); /*! * wavesurfer.js 2.0.6 (Fri Jun 15 2018 10:58:05 GMT+0200 (CEST)) * https://github.com/katspaugh/wavesurfer.js * @license BSD-3-Clause */ !function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("regions",[],t):"object"==typeof exports?exports.regions=t():(e.WaveSurfer=e.WaveSurfer||{},e.WaveSurfer.regions=t())}(window,function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var i=t[n]={i:n,l:!1,exports:{}};return e[n].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)r.d(n,i,function(t){return e[t]}.bind(null,i));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="localhost:8080/dist/plugin/",r(r.s=5)}({5:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var s=function(){function e(t,r){var n=this;i(this,e),this.wavesurfer=r,this.wrapper=r.drawer.wrapper,this.util=r.util,this.style=this.util.style,this.id=null==t.id?r.util.getId():t.id,this.start=Number(t.start)||0,this.end=null==t.end?this.start+4/this.wrapper.scrollWidth*this.wavesurfer.getDuration():Number(t.end),this.resize=void 0===t.resize||Boolean(t.resize),this.drag=void 0===t.drag||Boolean(t.drag),this.loop=Boolean(t.loop),this.color=t.color||"rgba(0, 0, 0, 0.1)",this.data=t.data||{},this.attributes=t.attributes||{},this.maxLength=t.maxLength,this.minLength=t.minLength,this._onRedraw=function(){return n.updateRender()},this.scroll=!1!==t.scroll&&r.params.scrollParent,this.scrollSpeed=t.scrollSpeed||1,this.scrollThreshold=t.scrollThreshold||10,this.bindInOut(),this.render(),this.wavesurfer.on("zoom",this._onRedraw),this.wavesurfer.on("redraw",this._onRedraw),this.wavesurfer.fireEvent("region-created",this)}return n(e,[{key:"update",value:function(e){null!=e.start&&(this.start=Number(e.start)),null!=e.end&&(this.end=Number(e.end)),null!=e.loop&&(this.loop=Boolean(e.loop)),null!=e.color&&(this.color=e.color),null!=e.data&&(this.data=e.data),null!=e.resize&&(this.resize=Boolean(e.resize)),null!=e.drag&&(this.drag=Boolean(e.drag)),null!=e.maxLength&&(this.maxLength=Number(e.maxLength)),null!=e.minLength&&(this.minLength=Number(e.minLength)),null!=e.attributes&&(this.attributes=e.attributes),this.updateRender(),this.fireEvent("update"),this.wavesurfer.fireEvent("region-updated",this)}},{key:"remove",value:function(){this.element&&(this.wrapper.removeChild(this.element),this.element=null,this.fireEvent("remove"),this.wavesurfer.un("zoom",this._onRedraw),this.wavesurfer.un("redraw",this._onRedraw),this.wavesurfer.fireEvent("region-removed",this))}},{key:"play",value:function(){this.wavesurfer.play(this.start,this.end),this.fireEvent("play"),this.wavesurfer.fireEvent("region-play",this)}},{key:"playLoop",value:function(){var e=this;this.play(),this.once("out",function(){return e.playLoop()})}},{key:"render",value:function(){var e=document.createElement("region");for(var t in e.className="wavesurfer-region",e.title=this.formatTime(this.start,this.end),e.setAttribute("data-id",this.id),this.attributes)e.setAttribute("data-region-"+t,this.attributes[t]);this.wrapper.scrollWidth;if(this.style(e,{position:"absolute",zIndex:2,height:"100%",top:"0px"}),this.resize){var r=e.appendChild(document.createElement("handle")),n=e.appendChild(document.createElement("handle"));r.className="wavesurfer-handle wavesurfer-handle-start",n.className="wavesurfer-handle wavesurfer-handle-end";var i={cursor:"col-resize",position:"absolute",left:"0px",top:"0px",width:"1%",maxWidth:"4px",height:"100%"};this.style(r,i),this.style(n,i),this.style(n,{left:"100%"})}this.element=this.wrapper.appendChild(e),this.updateRender(),this.bindEvents(e)}},{key:"formatTime",value:function(e,t){return(e==t?[e]:[e,t]).map(function(e){return[Math.floor(e%3600/60),("00"+Math.floor(e%60)).slice(-2)].join(":")}).join("-")}},{key:"getWidth",value:function(){return this.wavesurfer.drawer.width/this.wavesurfer.params.pixelRatio}},{key:"updateRender",value:function(){var e=this.wavesurfer.getDuration(),t=this.getWidth();if(this.start<0&&(this.start=0,this.end=this.end-this.start),this.end>e&&(this.end=e,this.start=e-(this.end-this.start)),null!=this.minLength&&(this.end=Math.max(this.start+this.minLength,this.end)),null!=this.maxLength&&(this.end=Math.min(this.start+this.maxLength,this.end)),null!=this.element){var r=Math.round(this.start/e*t),n=Math.round(this.end/e*t)-r;for(var i in this.style(this.element,{left:r+"px",width:n+"px",backgroundColor:this.color,cursor:this.drag?"move":"default"}),this.attributes)this.element.setAttribute("data-region-"+i,this.attributes[i]);this.element.title=this.formatTime(this.start,this.end)}}},{key:"bindInOut",value:function(){var e=this;this.firedIn=!1,this.firedOut=!1;var t=function(t){!e.firedOut&&e.firedIn&&(e.start>=Math.round(100*t)/100||e.end<=Math.round(100*t)/100)&&(e.firedOut=!0,e.firedIn=!1,e.fireEvent("out"),e.wavesurfer.fireEvent("region-out",e)),!e.firedIn&&e.start<=t&&e.end>t&&(e.firedIn=!0,e.firedOut=!1,e.fireEvent("in"),e.wavesurfer.fireEvent("region-in",e))};this.wavesurfer.backend.on("audioprocess",t),this.on("remove",function(){e.wavesurfer.backend.un("audioprocess",t)}),this.on("out",function(){e.loop&&e.wavesurfer.play(e.start)})}},{key:"bindEvents",value:function(){var e,t,r,n,i,s,a,o,u,l,d,h,c,v,f,p=this;this.element.addEventListener("mouseenter",function(e){p.fireEvent("mouseenter",e),p.wavesurfer.fireEvent("region-mouseenter",p,e)}),this.element.addEventListener("mouseleave",function(e){p.fireEvent("mouseleave",e),p.wavesurfer.fireEvent("region-mouseleave",p,e)}),this.element.addEventListener("click",function(e){e.preventDefault(),p.fireEvent("click",e),p.wavesurfer.fireEvent("region-click",p,e)}),this.element.addEventListener("dblclick",function(e){e.stopPropagation(),e.preventDefault(),p.fireEvent("dblclick",e),p.wavesurfer.fireEvent("region-dblclick",p,e)}),(this.drag||this.resize)&&(e=p.wavesurfer.drawer.container,t=p.wavesurfer.getDuration(),r=p.scrollSpeed,n=p.scrollThreshold,i=void 0,s=void 0,a=void 0,o=void 0,u=void 0,l=!1,d=void 0,h=void 0,c=function(e){e.touches&&e.touches.length>1||(s=e.targetTouches?e.targetTouches[0].identifier:null,e.stopPropagation(),i=p.wavesurfer.drawer.handleEvent(e,!0)*t,o=p.wrapper.scrollWidth-p.wrapper.clientWidth,h=p.wrapper.getBoundingClientRect(),"handle"==e.target.tagName.toLowerCase()?u=e.target.classList.contains("wavesurfer-handle-start")?"start":"end":(a=!0,u=!1))},v=function(e){e.touches&&e.touches.length>1||((a||u)&&(a=!1,d=null,u=!1),l&&(l=!1,p.util.preventClick(),p.fireEvent("update-end",e),p.wavesurfer.fireEvent("region-update-end",p,e)))},f=function(c){if(!(c.touches&&c.touches.length>1)&&(!c.targetTouches||c.targetTouches[0].identifier==s)&&(a||u)){var v=i,f=p.wavesurfer.drawer.handleEvent(c)*t,m=f-i;if(i=f,p.drag&&a&&(l=l||!!m,p.onDrag(m)),p.resize&&u&&(l=l||!!m,p.onResize(m,u)),p.scroll&&e.clientWidth<p.wrapper.scrollWidth){if(a){var g=p.element.getBoundingClientRect(),w=g.left-h.left;f<v&&w>=0?d=-1:f>v&&w+g.width<=h.right&&(d=1),(-1===d&&w>n||1===d&&w+g.width<h.right-n)&&(d=null)}else{var y=c.clientX-h.left;d=y<=n?-1:y>=h.right-n?1:null}d&&function e(n){if(d&&(a||u)){var s=p.wrapper.scrollLeft+r*d;p.wrapper.scrollLeft=s=Math.min(o,Math.max(0,s));var l=p.wavesurfer.drawer.handleEvent(n)*t,h=l-i;i=l,a?p.onDrag(h):p.onResize(h,u),window.requestAnimationFrame(function(){e(n)})}}(c)}}},p.element.addEventListener("mousedown",c),p.element.addEventListener("touchstart",c),p.wrapper.addEventListener("mousemove",f),p.wrapper.addEventListener("touchmove",f),document.body.addEventListener("mouseup",v),document.body.addEventListener("touchend",v),p.on("remove",function(){document.body.removeEventListener("mouseup",v),document.body.removeEventListener("touchend",v),p.wrapper.removeEventListener("mousemove",f),p.wrapper.removeEventListener("touchmove",f)}),p.wavesurfer.on("destroy",function(){document.body.removeEventListener("mouseup",v),document.body.removeEventListener("touchend",v)}))}},{key:"onDrag",value:function(e){var t=this.wavesurfer.getDuration();this.end+e>t||this.start+e<0||this.update({start:this.start+e,end:this.end+e})}},{key:"onResize",value:function(e,t){"start"==t?this.update({start:Math.min(this.start+e,this.end),end:Math.max(this.start+e,this.end)}):this.update({start:Math.min(this.end+e,this.start),end:Math.max(this.end+e,this.start)})}}]),e}(),a=function(){function e(t,r){var n=this;i(this,e),this.params=t,this.wavesurfer=r,this.util=r.util,Object.getOwnPropertyNames(this.util.Observer.prototype).forEach(function(e){s.prototype[e]=n.util.Observer.prototype[e]}),this.wavesurfer.Region=s,this.list={},this._onReady=function(){n.wrapper=n.wavesurfer.drawer.wrapper,n.params.regions&&n.params.regions.forEach(function(e){n.add(e)}),n.params.dragSelection&&n.enableDragSelection(n.params)}}return n(e,null,[{key:"create",value:function(t){return{name:"regions",deferInit:!(!t||!t.deferInit)&&t.deferInit,params:t,staticProps:{initRegions:function(){console.warn('Deprecated initRegions! Use wavesurfer.initPlugins("regions") instead!'),this.initPlugin("regions")},addRegion:function(e){return this.initialisedPluginList.regions||this.initPlugin("regions"),this.regions.add(e)},clearRegions:function(){this.regions&&this.regions.clear()},enableDragSelection:function(e){this.initialisedPluginList.regions||this.initPlugin("regions"),this.regions.enableDragSelection(e)},disableDragSelection:function(){this.regions.disableDragSelection()}},instance:e}}}]),n(e,[{key:"init",value:function(){this.wavesurfer.isReady&&this._onReady(),this.wavesurfer.on("ready",this._onReady)}},{key:"destroy",value:function(){this.wavesurfer.un("ready",this._onReady),this.disableDragSelection(),this.clear()}},{key:"add",value:function(e){var t=this,r=new this.wavesurfer.Region(e,this.wavesurfer);return this.list[r.id]=r,r.on("remove",function(){delete t.list[r.id]}),r}},{key:"clear",value:function(){var e=this;Object.keys(this.list).forEach(function(t){e.list[t].remove()})}},{key:"enableDragSelection",value:function(e){var t=this,r=e.slop||2,n=this.wavesurfer.drawer.container,i=!1!==e.scroll&&this.wavesurfer.params.scrollParent,s=e.scrollSpeed||1,a=e.scrollThreshold||10,o=void 0,u=this.wavesurfer.getDuration(),l=void 0,d=void 0,h=void 0,c=void 0,v=0,f=void 0,p=void 0,m=function(e){e.touches&&e.touches.length>1||(u=t.wavesurfer.getDuration(),c=e.targetTouches?e.targetTouches[0].identifier:null,l=t.wrapper.scrollWidth-t.wrapper.clientWidth,p=t.wrapper.getBoundingClientRect(),o=!0,d=t.wavesurfer.drawer.handleEvent(e,!0),h=null,f=null)};this.wrapper.addEventListener("mousedown",m),this.wrapper.addEventListener("touchstart",m),this.on("disable-drag-selection",function(){t.wrapper.removeEventListener("touchstart",m),t.wrapper.removeEventListener("mousedown",m)});var g=function(e){e.touches&&e.touches.length>1||(o=!1,v=0,f=null,h&&(t.util.preventClick(),h.fireEvent("update-end",e),t.wavesurfer.fireEvent("region-update-end",h,e)),h=null)};this.wrapper.addEventListener("mouseup",g),this.wrapper.addEventListener("touchend",g),document.body.addEventListener("mouseup",g),document.body.addEventListener("touchend",g),this.on("disable-drag-selection",function(){document.body.removeEventListener("mouseup",g),document.body.removeEventListener("touchend",g),t.wrapper.removeEventListener("touchend",g),t.wrapper.removeEventListener("mouseup",g)});var w=function(m){if(o&&!(++v<=r||m.touches&&m.touches.length>1||m.targetTouches&&m.targetTouches[0].identifier!=c)){h||(h=t.add(e||{}));var g=t.wavesurfer.drawer.handleEvent(m);if(h.update({start:Math.min(g*u,d*u),end:Math.max(g*u,d*u)}),i&&n.clientWidth<t.wrapper.scrollWidth){var w=m.clientX-p.left;(f=w<=a?-1:w>=p.right-a?1:null)&&function e(r){if(h&&f){var n=t.wrapper.scrollLeft+s*f;t.wrapper.scrollLeft=n=Math.min(l,Math.max(0,n));var i=t.wavesurfer.drawer.handleEvent(r);h.update({start:Math.min(i*u,d*u),end:Math.max(i*u,d*u)}),n<l&&n>0&&window.requestAnimationFrame(function(){e(r)})}}(m)}}};this.wrapper.addEventListener("mousemove",w),this.wrapper.addEventListener("touchmove",w),this.on("disable-drag-selection",function(){t.wrapper.removeEventListener("touchmove",w),t.wrapper.removeEventListener("mousemove",w)})}},{key:"disableDragSelection",value:function(){this.fireEvent("disable-drag-selection")}},{key:"getCurrentRegion",value:function(){var e=this,t=this.wavesurfer.getCurrentTime(),r=null;return Object.keys(this.list).forEach(function(n){var i=e.list[n];i.start<=t&&i.end>=t&&(!r||i.end-i.start<r.end-r.start)&&(r=i)}),r}}]),e}();t.default=a,e.exports=t.default}})});