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