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n=e.events[i];t.push(e.element.addEventListener(i,n,!1))}return t}()}))}},{key:"removeEventListeners",value:function(){return this.listeners.map((function(e){return function(){var t=[];for(var i in e.events){var n=e.events[i];t.push(e.element.removeEventListener(i,n,!1))}return t}()}))}},{key:"disable",value:function(){var e=this;return this.clickableElements.forEach((function(e){return e.classList.remove("dz-clickable")})),this.removeEventListeners(),this.disabled=!0,this.files.map((function(t){return e.cancelUpload(t)}))}},{key:"enable",value:function(){return delete this.disabled,this.clickableElements.forEach((function(e){return e.classList.add("dz-clickable")})),this.setupEventListeners()}},{key:"filesize",value:function(e){var t=0,i="b";if(e>0){for(var n=["tb","gb","mb","kb","b"],r=0;r<n.length;r++){var a=n[r],o=Math.pow(this.options.filesizeBase,4-r)/10;if(e>=o){t=e/Math.pow(this.options.filesizeBase,4-r),i=a;break}}t=Math.round(10*t)/10}return"<strong>"+t+"</strong> "+this.options.dictFileSizeUnits[i]}},{key:"_updateMaxFilesReachedClass",value:function(){return null!=this.options.maxFiles&&this.getAcceptedFiles().length>=this.options.maxFiles?(this.getAcceptedFiles().length===this.options.maxFiles&&this.emit("maxfilesreached",this.files),this.element.classList.add("dz-max-files-reached")):this.element.classList.remove("dz-max-files-reached")}},{key:"drop",value:function(e){if(e.dataTransfer){this.emit("drop",e);for(var t=[],i=0;i<e.dataTransfer.files.length;i++)t[i]=e.dataTransfer.files[i];if(this.emit("addedfiles",t),t.length){var n=e.dataTransfer.items;n&&n.length&&null!=n[0].webkitGetAsEntry?this._addFilesFromItems(n):this.handleFiles(t)}}}},{key:"paste",value:function(e){if(null!=h(null!=e?e.clipboardData:void 0,(function(e){return e.items}))){this.emit("paste",e);var t=e.clipboardData.items;return t.length?this._addFilesFromItems(t):void 0}}},{key:"handleFiles",value:function(e){var t=e,i=!0,n=0;for(t=i?t:t[Symbol.iterator]();;){var r;if(i){if(n>=t.length)break;r=t[n++]}else{if(n=t.next(),n.done)break;r=n.value}var a=r;this.addFile(a)}}},{key:"_addFilesFromItems",value:function(e){var t=this;return function(){var i=[],n=e,r=!0,a=0;for(n=r?n:n[Symbol.iterator]();;){var o;if(r){if(a>=n.length)break;o=n[a++]}else{if(a=n.next(),a.done)break;o=a.value}var l,s=o;null!=s.webkitGetAsEntry&&(l=s.webkitGetAsEntry())?l.isFile?i.push(t.addFile(s.getAsFile())):l.isDirectory?i.push(t._addFilesFromDirectory(l,l.name)):i.push(void 0):null!=s.getAsFile&&(null==s.kind||"file"===s.kind)?i.push(t.addFile(s.getAsFile())):i.push(void 0)}return i}()}},{key:"_addFilesFromDirectory",value:function(e,t){var i=this,n=e.createReader(),r=function(e){return f(console,"log",(function(t){return t.log(e)}))},a=function e(){return n.readEntries((function(n){if(n.length>0){var r=n,a=!0,o=0;for(r=a?r:r[Symbol.iterator]();;){var l;if(a){if(o>=r.length)break;l=r[o++]}else{if(o=r.next(),o.done)break;l=o.value}var s=l;s.isFile?s.file((function(e){if(!i.options.ignoreHiddenFiles||"."!==e.name.substring(0,1))return e.fullPath=t+"/"+e.name,i.addFile(e)})):s.isDirectory&&i._addFilesFromDirectory(s,t+"/"+s.name)}e()}return null}),r)};return a()}},{key:"accept",value:function(e,t){return this.options.maxFilesize&&e.size>1024*this.options.maxFilesize*1024?t(this.options.dictFileTooBig.replace("{{filesize}}",Math.round(e.size/1024/10.24)/100).replace("{{maxFilesize}}",this.options.maxFilesize)):o.isValidFile(e,this.options.acceptedFiles)?null!=this.options.maxFiles&&this.getAcceptedFiles().length>=this.options.maxFiles?(t(this.options.dictMaxFilesExceeded.replace("{{maxFiles}}",this.options.maxFiles)),this.emit("maxfilesexceeded",e)):this.options.accept.call(this,e,t):t(this.options.dictInvalidFileType)}},{key:"addFile",value:function(e){var t=this;return e.upload={uuid:o.uuidv4(),progress:0,total:e.size,bytesSent:0,filename:this._renameFile(e),chunked:this.options.chunking&&(this.options.forceChunking||e.size>this.options.chunkSize),totalChunkCount:Math.ceil(e.size/this.options.chunkSize)},this.files.push(e),e.status=o.ADDED,this.emit("addedfile",e),this._enqueueThumbnail(e),this.accept(e,(function(i){return i?(e.accepted=!1,t._errorProcessing([e],i)):(e.accepted=!0,t.options.autoQueue&&t.enqueueFile(e)),t._updateMaxFilesReachedClass()}))}},{key:"enqueueFiles",value:function(e){var t=e,i=!0,n=0;for(t=i?t:t[Symbol.iterator]();;){var r;if(i){if(n>=t.length)break;r=t[n++]}else{if(n=t.next(),n.done)break;r=n.value}var a=r;this.enqueueFile(a)}return null}},{key:"enqueueFile",value:function(e){var t=this;if(e.status!==o.ADDED||!0!==e.accepted)throw new Error("This file can't be queued because it has already been processed or was rejected.");if(e.status=o.QUEUED,this.options.autoProcessQueue)return setTimeout((function(){return t.processQueue()}),0)}},{key:"_enqueueThumbnail",value:function(e){var t=this;if(this.options.createImageThumbnails&&e.type.match(/image.*/)&&e.size<=1024*this.options.maxThumbnailFilesize*1024)return this._thumbnailQueue.push(e),setTimeout((function(){return t._processThumbnailQueue()}),0)}},{key:"_processThumbnailQueue",value:function(){var e=this;if(!this._processingThumbnail&&0!==this._thumbnailQueue.length){this._processingThumbnail=!0;var t=this._thumbnailQueue.shift();return this.createThumbnail(t,this.options.thumbnailWidth,this.options.thumbnailHeight,this.options.thumbnailMethod,!0,(function(i){return e.emit("thumbnail",t,i),e._processingThumbnail=!1,e._processThumbnailQueue()}))}}},{key:"removeFile",value:function(e){if(e.status===o.UPLOADING&&this.cancelUpload(e),this.files=l(this.files,e),this.emit("removedfile",e),0===this.files.length)return this.emit("reset")}},{key:"removeAllFiles",value:function(e){null==e&&(e=!1);var t=this.files.slice(),i=!0,n=0;for(t=i?t:t[Symbol.iterator]();;){var r;if(i){if(n>=t.length)break;r=t[n++]}else{if(n=t.next(),n.done)break;r=n.value}var a=r;(a.status!==o.UPLOADING||e)&&this.removeFile(a)}return null}},{key:"resizeImage",value:function(e,t,i,n,r){var a=this;return this.createThumbnail(e,t,i,n,!0,(function(t,i){if(null==i)return r(e);var n=a.options.resizeMimeType;null==n&&(n=e.type);var l=i.toDataURL(n,a.options.resizeQuality);return"image/jpeg"!==n&&"image/jpg"!==n||(l=c.restore(e.dataURL,l)),r(o.dataURItoBlob(l))}))}},{key:"createThumbnail",value:function(e,t,i,n,r,a){var o=this,l=new FileReader;return l.onload=function(){if(e.dataURL=l.result,"image/svg+xml"!==e.type)return o.createThumbnailFromUrl(e,t,i,n,r,a);null!=a&&a(l.result)},l.readAsDataURL(e)}},{key:"createThumbnailFromUrl",value:function(e,t,i,n,r,a,o){var l=this,s=document.createElement("img");return o&&(s.crossOrigin=o),s.onload=function(){var o=function(e){return e(1)};return"undefined"!==typeof EXIF&&null!==EXIF&&r&&(o=function(e){return EXIF.getData(s,(function(){return e(EXIF.getTag(this,"Orientation"))}))}),o((function(r){e.width=s.width,e.height=s.height;var o=l.options.resize.call(l,e,t,i,n),u=document.createElement("canvas"),c=u.getContext("2d");switch(u.width=o.trgWidth,u.height=o.trgHeight,r>4&&(u.width=o.trgHeight,u.height=o.trgWidth),r){case 2:c.translate(u.width,0),c.scale(-1,1);break;case 3:c.translate(u.width,u.height),c.rotate(Math.PI);break;case 4:c.translate(0,u.height),c.scale(1,-1);break;case 5:c.rotate(.5*Math.PI),c.scale(1,-1);break;case 6:c.rotate(.5*Math.PI),c.translate(0,-u.width);break;case 7:c.rotate(.5*Math.PI),c.translate(u.height,-u.width),c.scale(-1,1);break;case 8:c.rotate(-.5*Math.PI),c.translate(-u.height,0);break}d(c,s,null!=o.srcX?o.srcX:0,null!=o.srcY?o.srcY:0,o.srcWidth,o.srcHeight,null!=o.trgX?o.trgX:0,null!=o.trgY?o.trgY:0,o.trgWidth,o.trgHeight);var p=u.toDataURL("image/png");if(null!=a)return a(p,u)}))},null!=a&&(s.onerror=a),s.src=e.dataURL}},{key:"processQueue",value:function(){var e=this.options.parallelUploads,t=this.getUploadingFiles().length,i=t;if(!(t>=e)){var n=this.getQueuedFiles();if(n.length>0){if(this.options.uploadMultiple)return this.processFiles(n.slice(0,e-t));while(i<e){if(!n.length)return;this.processFile(n.shift()),i++}}}}},{key:"processFile",value:function(e){return this.processFiles([e])}},{key:"processFiles",value:function(e){var t=e,i=!0,n=0;for(t=i?t:t[Symbol.iterator]();;){var r;if(i){if(n>=t.length)break;r=t[n++]}else{if(n=t.next(),n.done)break;r=n.value}var a=r;a.processing=!0,a.status=o.UPLOADING,this.emit("processing",a)}return this.options.uploadMultiple&&this.emit("processingmultiple",e),this.uploadFiles(e)}},{key:"_getFilesWithXhr",value:function(e){return this.files.filter((function(t){return t.xhr===e})).map((function(e){return e}))}},{key:"cancelUpload",value:function(e){if(e.status===o.UPLOADING){var t=this._getFilesWithXhr(e.xhr),i=t,n=!0,r=0;for(i=n?i:i[Symbol.iterator]();;){var a;if(n){if(r>=i.length)break;a=i[r++]}else{if(r=i.next(),r.done)break;a=r.value}var l=a;l.status=o.CANCELED}"undefined"!==typeof e.xhr&&e.xhr.abort();var s=t,u=!0,d=0;for(s=u?s:s[Symbol.iterator]();;){var c;if(u){if(d>=s.length)break;c=s[d++]}else{if(d=s.next(),d.done)break;c=d.value}var p=c;this.emit("canceled",p)}this.options.uploadMultiple&&this.emit("canceledmultiple",t)}else e.status!==o.ADDED&&e.status!==o.QUEUED||(e.status=o.CANCELED,this.emit("canceled",e),this.options.uploadMultiple&&this.emit("canceledmultiple",[e]));if(this.options.autoProcessQueue)return this.processQueue()}},{key:"resolveOption",value:function(e){if("function"===typeof e){for(var t=arguments.length,i=Array(t>1?t-1:0),n=1;n<t;n++)i[n-1]=arguments[n];return e.apply(this,i)}return e}},{key:"uploadFile",value:function(e){return this.uploadFiles([e])}},{key:"uploadFiles",value:function(e){var t=this;this._transformFiles(e,(function(i){if(e[0].upload.chunked){var n=e[0],r=i[0];n.upload.chunks=[];var a=function(){var i=0;while(void 0!==n.upload.chunks[i])i++;if(!(i>=n.upload.totalChunkCount)){0;var a=i*t.options.chunkSize,l=Math.min(a+t.options.chunkSize,n.size),s={name:t._getParamName(0),data:r.webkitSlice?r.webkitSlice(a,l):r.slice(a,l),filename:n.upload.filename,chunkIndex:i};n.upload.chunks[i]={file:n,index:i,dataBlock:s,status:o.UPLOADING,progress:0,retries:0},t._uploadData(e,[s])}};if(n.upload.finishedChunkUpload=function(i){var r=!0;i.status=o.SUCCESS,i.dataBlock=null,i.xhr=null;for(var l=0;l<n.upload.totalChunkCount;l++){if(void 0===n.upload.chunks[l])return a();n.upload.chunks[l].status!==o.SUCCESS&&(r=!1)}r&&t.options.chunksUploaded(n,(function(){t._finished(e,"",null)}))},t.options.parallelChunkUploads)for(var l=0;l<n.upload.totalChunkCount;l++)a();else a()}else{for(var s=[],u=0;u<e.length;u++)s[u]={name:t._getParamName(u),data:i[u],filename:e[u].upload.filename};t._uploadData(e,s)}}))}},{key:"_getChunk",value:function(e,t){for(var i=0;i<e.upload.totalChunkCount;i++)if(void 0!==e.upload.chunks[i]&&e.upload.chunks[i].xhr===t)return e.upload.chunks[i]}},{key:"_uploadData",value:function(e,t){var i=this,n=new XMLHttpRequest,r=e,a=!0,l=0;for(r=a?r:r[Symbol.iterator]();;){var s;if(a){if(l>=r.length)break;s=r[l++]}else{if(l=r.next(),l.done)break;s=l.value}var u=s;u.xhr=n}e[0].upload.chunked&&(e[0].upload.chunks[t[0].chunkIndex].xhr=n);var d=this.resolveOption(this.options.method,e),c=this.resolveOption(this.options.url,e);n.open(d,c,!0),n.timeout=this.resolveOption(this.options.timeout,e),n.withCredentials=!!this.options.withCredentials,n.onload=function(t){i._finishedUploading(e,n,t)},n.onerror=function(){i._handleUploadError(e,n)};var p=null!=n.upload?n.upload:n;p.onprogress=function(t){return i._updateFilesUploadProgress(e,n,t)};var h={Accept:"application/json","Cache-Control":"no-cache","X-Requested-With":"XMLHttpRequest"};for(var f in this.options.headers&&o.extend(h,this.options.headers),h){var v=h[f];v&&n.setRequestHeader(f,v)}var m=new FormData;if(this.options.params){var g=this.options.params;for(var k in"function"===typeof g&&(g=g.call(this,e,n,e[0].upload.chunked?this._getChunk(e[0],n):null)),g){var b=g[k];m.append(k,b)}}var y=e,F=!0,w=0;for(y=F?y:y[Symbol.iterator]();;){var x;if(F){if(w>=y.length)break;x=y[w++]}else{if(w=y.next(),w.done)break;x=w.value}var E=x;this.emit("sending",E,n,m)}this.options.uploadMultiple&&this.emit("sendingmultiple",e,n,m),this._addFormElementData(m);for(var C=0;C<t.length;C++){var z=t[C];m.append(z.name,z.data,z.filename)}this.submitRequest(n,m,e)}},{key:"_transformFiles",value:function(e,t){for(var i=this,n=[],r=0,a=function(a){i.options.transformFile.call(i,e[a],(function(i){n[a]=i,++r===e.length&&t(n)}))},o=0;o<e.length;o++)a(o)}},{key:"_addFormElementData",value:function(e){if("FORM"===this.element.tagName){var t=this.element.querySelectorAll("input, textarea, select, button"),i=!0,n=0;for(t=i?t:t[Symbol.iterator]();;){var r;if(i){if(n>=t.length)break;r=t[n++]}else{if(n=t.next(),n.done)break;r=n.value}var a=r,o=a.getAttribute("name"),l=a.getAttribute("type");if(l&&(l=l.toLowerCase()),"undefined"!==typeof o&&null!==o)if("SELECT"===a.tagName&&a.hasAttribute("multiple")){var s=a.options,u=!0,d=0;for(s=u?s:s[Symbol.iterator]();;){var c;if(u){if(d>=s.length)break;c=s[d++]}else{if(d=s.next(),d.done)break;c=d.value}var p=c;p.selected&&e.append(o,p.value)}}else(!l||"checkbox"!==l&&"radio"!==l||a.checked)&&e.append(o,a.value)}}}},{key:"_updateFilesUploadProgress",value:function(e,t,i){var n=void 0;if("undefined"!==typeof i){if(n=100*i.loaded/i.total,e[0].upload.chunked){var r=e[0],a=this._getChunk(r,t);a.progress=n,a.total=i.total,a.bytesSent=i.loaded;r.upload.progress=0,r.upload.total=0,r.upload.bytesSent=0;for(var o=0;o<r.upload.totalChunkCount;o++)void 0!==r.upload.chunks[o]&&void 0!==r.upload.chunks[o].progress&&(r.upload.progress+=r.upload.chunks[o].progress,r.upload.total+=r.upload.chunks[o].total,r.upload.bytesSent+=r.upload.chunks[o].bytesSent);r.upload.progress=r.upload.progress/r.upload.totalChunkCount}else{var l=e,s=!0,u=0;for(l=s?l:l[Symbol.iterator]();;){var d;if(s){if(u>=l.length)break;d=l[u++]}else{if(u=l.next(),u.done)break;d=u.value}var c=d;c.upload.progress=n,c.upload.total=i.total,c.upload.bytesSent=i.loaded}}var p=e,h=!0,f=0;for(p=h?p:p[Symbol.iterator]();;){var v;if(h){if(f>=p.length)break;v=p[f++]}else{if(f=p.next(),f.done)break;v=f.value}var m=v;this.emit("uploadprogress",m,m.upload.progress,m.upload.bytesSent)}}else{var g=!0;n=100;var k=e,b=!0,y=0;for(k=b?k:k[Symbol.iterator]();;){var F;if(b){if(y>=k.length)break;F=k[y++]}else{if(y=k.next(),y.done)break;F=y.value}var w=F;100===w.upload.progress&&w.upload.bytesSent===w.upload.total||(g=!1),w.upload.progress=n,w.upload.bytesSent=w.upload.total}if(g)return;var x=e,E=!0,C=0;for(x=E?x:x[Symbol.iterator]();;){var z;if(E){if(C>=x.length)break;z=x[C++]}else{if(C=x.next(),C.done)break;z=C.value}var S=z;this.emit("uploadprogress",S,n,S.upload.bytesSent)}}}},{key:"_finishedUploading",value:function(e,t,i){var n=void 0;if(e[0].status!==o.CANCELED&&4===t.readyState){if("arraybuffer"!==t.responseType&&"blob"!==t.responseType&&(n=t.responseText,t.getResponseHeader("content-type")&&~t.getResponseHeader("content-type").indexOf("application/json")))try{n=JSON.parse(n)}catch(r){i=r,n="Invalid JSON response from 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