| 6 | !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()}(self,(()=>{return e={427:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var n=a(r(138)),i=a(r(56));function a(e){return e&&e.__esModule?e:{default:e}}function s(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)}}var o=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.wave=null,this.waveCtx=null,this.progress=null,this.progressCtx=null,this.start=0,this.end=1,this.id=(0,i.default)(void 0!==this.constructor.name?this.constructor.name.toLowerCase()+"_":"canvasentry_"),this.canvasContextAttributes={}}var t,r,a;return 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r.addColorStop(n/t.length,e)})),r}},{key:"applyCanvasTransforms",value:function(e){e&&(this.waveCtx.setTransform(0,1,1,0,0,0),this.hasProgressCanvas&&this.progressCtx.setTransform(0,1,1,0,0,0))}},{key:"fillRects",value:function(e,t,r,n,i){this.fillRectToContext(this.waveCtx,e,t,r,n,i),this.hasProgressCanvas&&this.fillRectToContext(this.progressCtx,e,t,r,n,i)}},{key:"fillRectToContext",value:function(e,t,r,n,i,a){e&&(a?this.drawRoundedRect(e,t,r,n,i,a):e.fillRect(t,r,n,i))}},{key:"drawRoundedRect",value:function(e,t,r,n,i,a){0!==i&&(i<0&&(r-=i*=-1),e.beginPath(),e.moveTo(t+a,r),e.lineTo(t+n-a,r),e.quadraticCurveTo(t+n,r,t+n,r+a),e.lineTo(t+n,r+i-a),e.quadraticCurveTo(t+n,r+i,t+n-a,r+i),e.lineTo(t+a,r+i),e.quadraticCurveTo(t,r+i,t,r+i-a),e.lineTo(t,r+a),e.quadraticCurveTo(t,r,t+a,r),e.closePath(),e.fill())}},{key:"drawLines",value:function(e,t,r,n,i,a){this.drawLineToContext(this.waveCtx,e,t,r,n,i,a),this.hasProgressCanvas&&this.drawLineToContext(this.progressCtx,e,t,r,n,i,a)}},{key:"drawLineToContext",value:function(e,t,r,n,i,a,s){if(e){var o,u,l,c=t.length/2,f=Math.round(c*this.start),h=f,d=Math.round(c*this.end)+1,p=this.wave.width/(d-h-1),v=n+i,y=r/n;for(e.beginPath(),e.moveTo((h-f)*p,v),e.lineTo((h-f)*p,v-Math.round((t[2*h]||0)/y)),o=h;o<d;o++)u=t[2*o]||0,l=Math.round(u/y),e.lineTo((o-f)*p+this.halfPixel,v-l);for(var m=d-1;m>=h;m--)u=t[2*m+1]||0,l=Math.round(u/y),e.lineTo((m-f)*p+this.halfPixel,v-l);e.lineTo((h-f)*p,v-Math.round((t[2*h+1]||0)/y)),e.closePath(),e.fill()}}},{key:"destroy",value:function(){this.waveCtx=null,this.wave=null,this.progressCtx=null,this.progress=null}},{key:"getImage",value:function(e,t,r){var n=this;return"blob"===r?new Promise((function(r){n.wave.toBlob(r,e,t)})):"dataURL"===r?this.wave.toDataURL(e,t):void 0}}])&&s(t.prototype,r),a&&s(t,a),Object.defineProperty(t,"prototype",{writable:!1}),e}();t.default=o,e.exports=t.default},276:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return 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i.style(e,t)}},{key:"createWrapper",value:function(){this.wrapper=i.withOrientation(this.container.appendChild(document.createElement("wave")),this.params.vertical),this.style(this.wrapper,{display:"block",position:"relative",userSelect:"none",webkitUserSelect:"none",height:this.params.height+"px"}),(this.params.fillParent||this.params.scrollParent)&&this.style(this.wrapper,{width:"100%",cursor:this.params.hideCursor?"none":"auto",overflowX:this.params.hideScrollbar?"hidden":"auto",overflowY:"hidden"}),this.setupWrapperEvents()}},{key:"handleEvent",value:function(e,t){!t&&e.preventDefault();var r,n=i.withOrientation(e.targetTouches?e.targetTouches[0]:e,this.params.vertical).clientX,a=this.wrapper.getBoundingClientRect(),s=this.width,o=this.getWidth(),u=this.getProgressPixels(a,n);return r=!this.params.fillParent&&s<o?u*(this.params.pixelRatio/s)||0:(u+this.wrapper.scrollLeft)/this.wrapper.scrollWidth||0,i.clamp(r,0,1)}},{key:"getProgressPixels",value:function(e,t){return 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t=o,r=[{key:"init",value:function(){this.createWrapper(),this.createElements()}},{key:"createElements",value:function(){this.progressWave=a.withOrientation(this.wrapper.appendChild(document.createElement("wave")),this.params.vertical),this.style(this.progressWave,{position:"absolute",zIndex:3,left:0,top:0,bottom:0,overflow:"hidden",width:"0",display:"none",boxSizing:"border-box",borderRightStyle:"solid",pointerEvents:"none"}),this.addCanvas(),this.updateCursor()}},{key:"updateCursor",value:function(){this.style(this.progressWave,{borderRightWidth:this.params.cursorWidth+"px",borderRightColor:this.params.cursorColor})}},{key:"updateSize",value:function(){for(var e=this,t=Math.round(this.width/this.params.pixelRatio),r=Math.ceil(t/(this.maxCanvasElementWidth+this.overlap));this.canvases.length<r;)this.addCanvas();for(;this.canvases.length>r;)this.removeCanvas();var n=this.maxCanvasWidth+this.overlap,i=this.canvases.length-1;this.canvases.forEach((function(t,r){r==i&&(n=e.width-e.maxCanvasWidth*i),e.updateDimensions(t,n,e.height),t.clearWave()}))}},{key:"addCanvas",value:function(){var e=new this.EntryClass;e.canvasContextAttributes=this.canvasContextAttributes,e.hasProgressCanvas=this.hasProgressCanvas,e.halfPixel=this.halfPixel;var t=this.maxCanvasElementWidth*this.canvases.length,r=a.withOrientation(this.wrapper.appendChild(document.createElement("canvas")),this.params.vertical);if(this.style(r,{position:"absolute",zIndex:2,left:t+"px",top:0,bottom:0,height:"100%",pointerEvents:"none"}),e.initWave(r),this.hasProgressCanvas){var n=a.withOrientation(this.progressWave.appendChild(document.createElement("canvas")),this.params.vertical);this.style(n,{position:"absolute",left:t+"px",top:0,bottom:0,height:"100%"}),e.initProgress(n)}this.canvases.push(e)}},{key:"removeCanvas",value:function(){var e=this.canvases[this.canvases.length-1];e.wave.parentElement.removeChild(e.wave.domElement),this.hasProgressCanvas&&e.progress.parentElement.removeChild(e.progress.domElement),e&&(e.destroy(),e=null),this.canvases.pop()}},{key:"updateDimensions",value:function(e,t,r){var n=Math.round(t/this.params.pixelRatio),i=Math.round(this.width/this.params.pixelRatio);e.updateDimensions(n,i,t,r),this.style(this.progressWave,{display:"block"})}},{key:"clearWave",value:function(){var e=this;a.frame((function(){e.canvases.forEach((function(e){return e.clearWave()}))}))()}},{key:"drawBars",value:function(e,t,r,n){var i=this;return this.prepareDraw(e,t,r,n,(function(e){var t=e.absmax,a=e.hasMinVals,s=(e.height,e.offsetY),o=e.halfH,u=e.peaks,l=e.channelIndex;if(void 0!==r)for(var c=a?2:1,f=u.length/c,h=i.params.barWidth*i.params.pixelRatio,d=h+(null===i.params.barGap?Math.max(i.params.pixelRatio,~~(h/2)):Math.max(i.params.pixelRatio,i.params.barGap*i.params.pixelRatio)),p=f/i.width,v=n,y=r;y<v;y+=d){var m=0,b=Math.floor(y*p)*c,g=Math.floor((y+d)*p)*c;do{var A=Math.abs(u[b]);A>m&&(m=A),b+=c}while(b<g);var k=Math.round(m/t*o);i.params.barMinHeight&&(k=Math.max(k,i.params.barMinHeight)),i.fillRect(y+i.halfPixel,o-k+s,h+i.halfPixel,2*k,i.barRadius,l)}}))}},{key:"drawWave",value:function(e,t,r,n){var i=this;return this.prepareDraw(e,t,r,n,(function(e){var t=e.absmax,a=e.hasMinVals,s=(e.height,e.offsetY),o=e.halfH,u=e.peaks,l=e.channelIndex;if(!a){for(var c=[],f=u.length,h=0;h<f;h++)c[2*h]=u[h],c[2*h+1]=-u[h];u=c}void 0!==r&&i.drawLine(u,t,o,s,r,n,l),i.fillRect(0,o+s-i.halfPixel,i.width,i.halfPixel,i.barRadius,l)}))}},{key:"drawLine",value:function(e,t,r,n,i,a,s){var o=this,u=this.params.splitChannelsOptions.channelColors[s]||{},l=u.waveColor,c=u.progressColor;this.canvases.forEach((function(s,u){o.setFillStyles(s,l,c),o.applyCanvasTransforms(s,o.params.vertical),s.drawLines(e,t,r,n,i,a)}))}},{key:"fillRect",value:function(e,t,r,n,i,a){for(var s=Math.floor(e/this.maxCanvasWidth),o=Math.min(Math.ceil((e+r)/this.maxCanvasWidth)+1,this.canvases.length),u=s;u<o;u++){var l=this.canvases[u],c=u*this.maxCanvasWidth,f={x1:Math.max(e,u*this.maxCanvasWidth),y1:t,x2:Math.min(e+r,u*this.maxCanvasWidth+l.wave.width),y2:t+n};if(f.x1<f.x2){var h=this.params.splitChannelsOptions.channelColors[a]||{},d=h.waveColor,p=h.progressColor;this.setFillStyles(l,d,p),this.applyCanvasTransforms(l,this.params.vertical),l.fillRects(f.x1-c,f.y1,f.x2-f.x1,f.y2-f.y1,i)}}}},{key:"hideChannel",value:function(e){return this.params.splitChannels&&this.params.splitChannelsOptions.filterChannels.includes(e)}},{key:"prepareDraw",value:function(e,t,r,n,i,s,o){var u=this;return a.frame((function(){if(e[0]instanceof Array){var l=e;if(u.params.splitChannels){var c,f=l.filter((function(e,t){return!u.hideChannel(t)}));return 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e.container?document.querySelector(n.params.container):n.params.container,!n.container)throw new Error("Container element not found");if(null==n.params.mediaContainer?n.mediaContainer=n.container:"string"==typeof n.params.mediaContainer?n.mediaContainer=document.querySelector(n.params.mediaContainer):n.mediaContainer=n.params.mediaContainer,!n.mediaContainer)throw new Error("Media Container element not found");if(n.params.maxCanvasWidth<=1)throw new Error("maxCanvasWidth must be greater than 1");if(n.params.maxCanvasWidth%2==1)throw new Error("maxCanvasWidth must be an even number");if(!0===n.params.rtl&&(!0===n.params.vertical?i.style(n.container,{transform:"rotateX(180deg)"}):i.style(n.container,{transform:"rotateY(180deg)"})),n.params.backgroundColor&&n.setBackgroundColor(n.params.backgroundColor),n.savedVolume=0,n.isMuted=!1,n.tmpEvents=[],n.currentRequest=null,n.arraybuffer=null,n.drawer=null,n.backend=null,n.peakCache=null,"function"!=typeof n.params.renderer)throw new 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t.addPlugin(e)})),e.forEach((function(e){e.deferInit||t.initPlugin(e.name)})),this.fireEvent("plugins-registered",e),this}},{key:"getActivePlugins",value:function(){return this.initialisedPluginList}},{key:"addPlugin",value:function(e){var t=this;if(!e.name)throw new Error("Plugin does not have a name!");if(!e.instance)throw new Error("Plugin ".concat(e.name," does not have an instance 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 ".concat(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 ".concat(e," has not been added yet and cannot be destroyed!"));if(!this.initialisedPluginList[e])throw new Error("Plugin ".concat(e," is not active and cannot be destroyed!"));if("function"!=typeof this[e].destroy)throw new Error("Plugin ".concat(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(),this.backend=new this.Backend(this.params),this.backend.init(),this.fireEvent("backend-created",this.backend),this.backend.on("finish",(function(){e.drawer.progress(e.backend.getPlayedPercents()),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)})),"MediaElement"!==this.params.backend&&"MediaElementWebAudio"!==this.params.backend||(this.backend.on("seek",(function(){e.drawer.progress(e.backend.getPlayedPercents())})),this.backend.on("volume",(function(){var t=e.getVolume();e.fireEvent("volume",t),e.backend.isMuted!==e.isMuted&&(e.isMuted=e.backend.isMuted,e.fireEvent("mute",e.isMuted))})))}},{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.params.ignoreSilenceMode&&i.ignoreSilenceMode(),this.fireEvent("interaction",(function(){return r.play(e,t)})),this.backend.play(e,t)}},{key:"setPlayEnd",value:function(e){this.backend.setPlayEnd(e)}},{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)throw new Error("Error calling wavesurfer.seekTo, parameter must be a number between 0 and 1!");this.fireEvent("interaction",(function(){return t.seekTo(e)}));var r="WebAudio"===this.params.backend,n=this.backend.isPaused();r&&!n&&this.backend.pause();var i=this.params.scrollParent;this.params.scrollParent=!1,this.backend.seekTo(e*this.getDuration()),this.drawer.progress(e),r&&!n&&this.backend.play(),this.params.scrollParent=i,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?(this.backend.setMute?(this.backend.setMute(e),this.isMuted=e):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:"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(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;return this.params.splitChannelsOptions.channelColors[e]?this.params.splitChannelsOptions.channelColors[e].waveColor:this.params.waveColor}},{key:"setWaveColor",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;this.params.splitChannelsOptions.channelColors[t]?this.params.splitChannelsOptions.channelColors[t].waveColor=e:this.params.waveColor=e,this.drawBuffer()}},{key:"getProgressColor",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;return this.params.splitChannelsOptions.channelColors[e]?this.params.splitChannelsOptions.channelColors[e].progressColor:this.params.progressColor}},{key:"setProgressColor",value:function(e,t){this.params.splitChannelsOptions.channelColors[t]?this.params.splitChannelsOptions.channelColors[t].progressColor=e:this.params.progressColor=e,this.drawBuffer()}},{key:"getBackgroundColor",value:function(){return this.params.backgroundColor}},{key:"setBackgroundColor",value:function(e){this.params.backgroundColor=e,i.style(this.container,{background:this.params.backgroundColor})}},{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:"setFilteredChannels",value:function(e){this.params.splitChannelsOptions.filterChannels=e,this.drawBuffer()}},{key:"drawBuffer",value:function(){var e,t=Math.round(this.getDuration()*this.params.minPxPerSec*this.params.pixelRatio),r=this.drawer.getWidth(),n=t,i=0,a=Math.max(i+r,n);if(this.params.fillParent&&(!this.params.scrollParent||t<r)&&(i=0,a=n=r),this.params.partialRender){var s,o=this.peakCache.addRangeToPeakCache(n,i,a);for(s=0;s<o.length;s++)e=this.backend.getPeaks(n,o[s][0],o[s][1]),this.drawer.drawPeaks(e,n,o[s][0],o[s][1])}else e=this.backend.getPeaks(n,i,a),this.drawer.drawPeaks(e,n,i,a);this.fireEvent("redraw",e,n)}},{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.isReady=!0,this.fireEvent("ready")}},{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(!e)throw new Error("url parameter cannot be empty");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' or 'MediaElementWebAudio'":-1===["MediaElement","MediaElementWebAudio"].indexOf(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("WebAudio"===this.params.backend&&e instanceof HTMLMediaElement&&(e=e.src),this.params.backend){case"WebAudio":return this.loadBuffer(e,t,n);case"MediaElement":case"MediaElementWebAudio":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.fireEvent("waveform-ready"),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.backend.destroyed||(i.drawBuffer(),i.isReady=!0,i.fireEvent("ready"))})),this.backend.once("error",(function(e){return i.fireEvent("error",e)}))),t&&(this.backend.setPeaks(t,n),this.drawBuffer(),this.fireEvent("waveform-ready")),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.isDestroyed||(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=Object.assign({url:e,responseType:"arraybuffer"},this.params.xhr),a=i.fetchFile(n);return this.currentRequest=a,this.tmpEvents.push(a.on("progress",(function(e){r.onProgress(e)})),a.on("success",(function(e){t(e),r.currentRequest=null})),a.on("error",(function(e){r.fireEvent("error",e),r.currentRequest=null}))),a}},{key:"onProgress",value:function(e){var t;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,i){e=e||1024,n=n||0,t=t||1e4,r=r||!1;var a=this.backend.getPeaks(e,n,i),s=[].map.call(a,(function(e){return Math.round(e*t)/t}));return new Promise((function(e,t){if(!r){var n=new Blob([JSON.stringify(s)],{type:"application/json;charset=utf-8"}),i=URL.createObjectURL(n);window.open(i),URL.revokeObjectURL(i)}e(s)}))}},{key:"exportImage",value:function(e,t,r){return e||(e="image/png"),t||(t=1),r||(r="dataURL"),this.drawer.getImage(e,t,r)}},{key:"cancelAjax",value:function(){this.currentRequest&&this.currentRequest.controller&&(this.currentRequest._reader&&this.currentRequest._reader.cancel().catch((function(e){})),this.currentRequest.controller.abort(),this.currentRequest=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.isReady=!1,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&&(this.backend.destroy(),this.backend=null),this.drawer&&this.drawer.destroy(),this.isDestroyed=!0,this.isReady=!1,this.arraybuffer=null}}],[{key:"create",value:function(e){return new r(e).init()}}]),r}(i.Observer);t.default=k,m(k,"VERSION","6.4.0"),m(k,"util",i),e.exports=t.default},379:(e,t,r)=>{"use strict";function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof 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o=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},o(e,t)}function u(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var r,n=f(e);if(t){var i=f(this).constructor;r=Reflect.construct(n,arguments,i)}else r=n.apply(this,arguments);return l(this,r)}}function l(e,t){if(t&&("object"===n(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return c(e)}function c(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function f(e){return f=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},f(e)}function h(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}var d="playing",p="paused",v="finished",y=function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&o(e,t)}(a,e);var t,r,n,i=u(a);function a(e){var t,r,n;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,a),h(c(n=i.call(this)),"audioContext",null),h(c(n),"offlineAudioContext",null),h(c(n),"stateBehaviors",(h(t={},d,{init:function(){this.addOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition+this.getPlayedTime()}}),h(t,p,{init:function(){this.removeOnAudioProcess()},getPlayedPercents:function(){var e=this.getDuration();return this.getCurrentTime()/e||0},getCurrentTime:function(){return this.startPosition}}),h(t,v,{init:function(){this.removeOnAudioProcess(),this.fireEvent("finish")},getPlayedPercents:function(){return 1},getCurrentTime:function(){return this.getDuration()}}),t)),n.params=e,n.ac=e.audioContext||(n.supportsWebAudio()?n.getAudioContext():{}),n.lastPlay=n.ac.currentTime,n.startPosition=0,n.scheduledPause=null,n.states=(h(r={},d,Object.create(n.stateBehaviors.playing)),h(r,p,Object.create(n.stateBehaviors.paused)),h(r,v,Object.create(n.stateBehaviors.finished)),r),n.buffer=null,n.filters=[],n.gainNode=null,n.mergedPeaks=null,n.offlineAc=null,n.peaks=null,n.playbackRate=1,n.analyser=null,n.scriptNode=null,n.source=null,n.splitPeaks=[],n.state=null,n.explicitDuration=e.duration,n.sinkStreamDestination=null,n.sinkAudioElement=null,n.destroyed=!1,n}return t=a,r=[{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}},{key:"init",value:function(){this.createVolumeNode(),this.createScriptNode(),this.createAnalyserNode(),this.setState(p),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=new 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(a.scriptBufferSize):this.scriptNode=this.ac.createJavaScriptNode(a.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(v),e.fireEvent("pause")):t>=e.scheduledPause?e.pause():e.state===e.states.playing&&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){return e?(this.sinkAudioElement||(this.sinkAudioElement=new window.Audio,this.sinkAudioElement.autoplay=!0),this.sinkAudioElement.setSinkId?(this.sinkStreamDestination||(this.sinkStreamDestination=this.ac.createMediaStreamDestination()),this.gainNode.disconnect(),this.gainNode.connect(this.sinkStreamDestination),this.sinkAudioElement.srcObject=this.sinkStreamDestination.stream,this.sinkAudioElement.setSinkId(e)):Promise.reject(new Error("setSinkId is not supported in your browser"))):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?this.ac.sampleRate:44100)),"webkitAudioContext"in window?this.offlineAc.decodeAudioData(e,(function(e){return t(e)}),r):this.offlineAc.decodeAudioData(e).then((function(e){return t(e)})).catch((function(e){return r(e)}))}},{key:"setPeaks",value:function(e,t){null!=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,r=this.buffer?this.buffer.numberOfChannels:1;for(t=0;t<r;t++)this.splitPeaks[t]=[],this.splitPeaks[t][2*(e-1)]=0,this.splitPeaks[t][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(!this.buffer)return[];if(t=t||0,r=r||e-1,this.setLength(e),!this.buffer)return this.params.splitChannels?this.splitPeaks:this.mergedPeaks;if(!this.buffer.length){var n=this.createBuffer(1,4096,this.sampleRate);this.buffer=n.buffer}var i,a=this.buffer.length/e,s=~~(a/10)||1,o=this.buffer.numberOfChannels;for(i=0;i<o;i++){var u=this.splitPeaks[i],l=this.buffer.getChannelData(i),c=void 0;for(c=t;c<=r;c++){var f=~~(c*a),h=~~(f+a),d=l[f],p=d,v=void 0;for(v=f;v<h;v+=s){var y=l[v];y>p&&(p=y),y<d&&(d=y)}u[2*c]=p,u[2*c+1]=d,(0==i||p>this.mergedPeaks[2*c])&&(this.mergedPeaks[2*c]=p),(0==i||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:"destroyWebAudio",value:function(){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),this.sinkStreamDestination&&(this.sinkAudioElement.pause(),this.sinkAudioElement.srcObject=null,this.sinkStreamDestination.disconnect(),this.sinkStreamDestination=null)}},{key:"destroy",value:function(){this.isPaused()||this.pause(),this.unAll(),this.buffer=null,this.destroyed=!0,this.destroyWebAudio()}},{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.setPlaybackRate(this.playbackRate),this.source.buffer=this.buffer,this.source.connect(this.analyser)}},{key:"resumeAudioContext",value:function(){"suspended"==this.ac.state&&this.ac.resume&&this.ac.resume()}},{key:"isPaused",value:function(){return this.state!==this.states.playing}},{key:"getDuration",value:function(){return this.explicitDuration?this.explicitDuration:this.buffer?this.buffer.duration: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.finished&&this.setState(p),{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),this.resumeAudioContext(),this.setState(d),this.fireEvent("play")}}},{key:"pause",value:function(){this.scheduledPause=null,this.startPosition+=this.getPlayedTime();try{this.source&&this.source.stop(0)}catch(e){}this.setState(p),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){this.playbackRate=e||1,this.source&&this.source.playbackRate.setValueAtTime(this.playbackRate,this.ac.currentTime)}},{key:"setPlayEnd",value:function(e){this.scheduledPause=e}}],r&&s(t.prototype,r),n&&s(t,n),Object.defineProperty(t,"prototype",{writable:!1}),a}(i.Observer);t.default=y,h(y,"scriptBufferSize",256),e.exports=t.default},296:e=>{function t(e,t,r){var n,i,a,s,o;function u(){var 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