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Chunk(this.uploader,this,r))},_measureSpeed:function(){var t,e=this.uploader.opts.speedSmoothingFactor,i=Date.now()-this._lastProgressCallback;i&&(t=this.sizeUploaded(),this.currentSpeed=Math.max((t-this._prevUploadedSize)/i*1e3,0),this.averageSpeed=e*this.currentSpeed+(1-e)*this.averageSpeed,this._prevUploadedSize=t,this.parent&&this.parent._checkProgress()&&this.parent._measureSpeed())},_checkProgress:function(t){return Date.now()-this._lastProgressCallback>=this.uploader.opts.progressCallbacksInterval},_chunkEvent:function(t,e,i,r){function n(){u._measureSpeed(),o._trigger("fileProgress",h,u,t),u._lastProgressCallback=Date.now()}var s,o=this.uploader,a=Chunk.STATUS,u=this,h=this.getRoot();switch(e){case a.PROGRESS:this._checkProgress()&&n();break;case a.ERROR:this._error(),this.abort(!0),this.status=File.FILE_STATUS.ERROR,o._trigger("fileStatus",this,this.status,o.opts.statusText[this.status]),o._trigger("fileError",h,this,i,t);break;case a.SUCCESS:this._updateUploadedChunks(i,t,r),this.error||(r===Chunk.REQUESTTYPE.MERGE&&o._trigger("fileMergeEnd",this),clearTimeout(this._progeressId),this._progeressId=0,(s=Date.now()-this._lastProgressCallback)<o.opts.progressCallbacksInterval&&(this._progeressId=setTimeout(n,o.opts.progressCallbacksInterval-s)),this.isComplete()?(clearTimeout(this._progeressId),n(),this.currentSpeed=0,this.averageSpeed=0,this.status=File.FILE_STATUS.SUCCESS,o._trigger("fileStatus",this,this.status,o.opts.statusText[this.status]),o._trigger("fileSuccess",h,this,i,t),h.isComplete()&&o._trigger("fileComplete",h,this)):this._progeressId||n());break;case a.RETRY:o._trigger("fileRetry",h,this,t)}},_updateUploadedChunks:function(i,r,n){n===Chunk.REQUESTTYPE.UPLOAD&&(r.needUpload=!1);var s,o=this.uploader.opts.checkChunkUploadedByResponse;!o||(s=r.xhr,utils.each(this.chunks,function(t){var e;n===Chunk.REQUESTTYPE.TEST&&(e=o.call(this,t,i),t!==r||e||(t.xhr=null),e&&(t.xhr=s),t.tested=!0)},this),this._firstResponse)?this.uploader.uploadNextChunk():(this._firstResponse=!0,this.uploader.upload(!0))},_error:function(){this.error=this.allError=!0;for(var t=this.parent;t&&t!==this.uploader;)t._errorFiles.push(this),t.error=!0,t._errorFiles.length===t.files.length&&(t.allError=!0),t=t.parent},_resetError:function(){this.error=this.allError=!1;for(var t,e=this.parent;e&&e!==this.uploader;)t=e._errorFiles.indexOf(this),e._errorFiles.splice(t,1),e.allError=!1,e._errorFiles.length||(e.error=!1),e=e.parent},isComplete:function(){var r;return this.completed||(r=!1,this._eachAccess(function(t){if(!t.isComplete())return!(r=!0)},function(){var i;!this.error&&(this.isFolder||this.merged)?(i=Chunk.STATUS,utils.each(this.chunks,function(t){var e=t.status();if(e===i.ERROR||e===i.PENDING||e===i.UPLOADING||e===i.READING||1===t.preprocessState||1===t.readState)return!(r=!0)})):r=!0}),this.completed=!r),this.completed},isUploading:function(){var i=!1;return this._eachAccess(function(t){if(t.isUploading())return!(i=!0)},function(){var e=Chunk.STATUS.UPLOADING;utils.each(this.chunks,function(t){if(t.status()===e)return!(i=!0)})}),i},resume:function(){this._eachAccess(function(t){[File.FILE_STATUS.PENDING,File.FILE_STATUS.WAITING,File.FILE_STATUS.PAUSED].includes(t.status)&&t.resume()},function(){var t=this.uploader;this.status===File.FILE_STATUS.PAUSED?this.status=File.FILE_STATUS.UPLOADING:this.status===File.FILE_STATUS.PENDING&&(this.status=File.FILE_STATUS.WAITING),t._trigger("fileStatus",this,this.status,t.opts.statusText[this.status]),this.paused=!1,this.aborted=!1,this.uploader.upload()}),this.paused=!1,this.aborted=!1},pause:function(){this._eachAccess(function(t){["uploading"].includes(t.status)&&t.pause()},function(){utils.each(this.chunks,function(t){t.needUpload&&(t.tested=!1)}),this.paused=!0,this.abort();var t=this.uploader;this.status=File.FILE_STATUS.PAUSED,t._trigger("fileStatus",this,this.status,t.opts.statusText[this.status])}),this.paused=!0},cancel:function(){this.uploader.removeFile(this)},retry:function(t){t?t.bootstrap():this._eachAccess(function(t){t.error&&t.bootstrap()},function(){this.bootstrap()}),this.uploader.upload()},abort:function(t){var e,i;this.aborted||(this.currentSpeed=0,this.averageSpeed=0,this.aborted=!t,e=this.chunks,t&&(this.chunks=[]),i=Chunk.STATUS.UPLOADING,utils.each(e,function(t){t.status()===i&&(t.abort(),this.uploader.uploadNextChunk())},this))},progress:function(){var i=0,r=0,n=0;return this._eachAccess(function(t,e){i+=t.progress()*t.size,r+=t.size,e===this.files.length-1&&(n=0<r?i/r:this.isComplete()?1:0)},function(){var e,t;n=this.error?1:(1===this.chunks.length?this._prevProgress=Math.max(this._prevProgress,this.chunks[0].progress()):(e=0,utils.each(this.chunks,function(t){e+=t.progress()*(t.endByte-t.startByte)}),t=e/this.size,this._prevProgress=Math.max(this._prevProgress,t<1?t:.9999)),this._prevProgress)}),this.canMerge&&!this.merged?n=.9999:this.merged&&(n=1),n},getSize:function(){var e=0;return this._eachAccess(function(t){e+=t.size},function(){e+=this.size}),e},getFormatSize:function(){var t=this.getSize();return utils.formatSize(t)},getRoot:function(){if(!this.isRoot)for(var t=this.parent;t;){if(t.parent===this.uploader)return t;t=t.parent}return this},sizeUploaded:function(){var e=0;return this._eachAccess(function(t){e+=t.sizeUploaded()},function(){utils.each(this.chunks,function(t){e+=t.sizeUploaded()})}),e},timeRemaining:function(){var i=0,r=0,n=0;return this._eachAccess(function(t,e){t.paused||t.error||(r+=t.size-t.sizeUploaded(),n+=t.averageSpeed),e===this.files.length-1&&(i=s(r,n))},function(){var t;i=this.paused||this.error?0:(t=this.size-this.sizeUploaded(),s(t,this.averageSpeed))}),i;function s(t,e){return t&&!e?Number.POSITIVE_INFINITY:t||e?Math.floor(t/e):0}},removeFile:function(t){if(t.isFolder)for(;t.files.length;){var e=t.files[t.files.length-1];this._removeFile(e)}this._removeFile(t)},_delFilePath:function(t){t.path&&this.filePaths&&delete this.filePaths[t.path],utils.each(t.fileList,function(t){this._delFilePath(t)},this)},_removeFile:function(i){if(!i.isFolder){utils.each(this.files,function(t,e){if(t===i)return 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t=this.fileList.length-1;0<=t;t--)this.fileList[t].cancel()},removeFile:function(t){File.prototype.removeFile.call(this,t),this._trigger("fileRemoved",t)},generateUniqueFilePath:function(t){var e=this.opts.generateUniqueFilePath;return utils.isFunction(e)?e(t):t.relativePath||t.webkitRelativePath||t.fileName||t.name},getFromUniqueFilePath:function(e){var i=!1;return utils.each(this.files,function(t){if(t.uniqueFilePath===e)return i=t,!1}),i},generateUniqueIdentifier:function(t){var e=this.opts.generateUniqueIdentifier;return utils.isFunction(e)?e(t):(e=t.relativePath||t.webkitRelativePath||t.fileName||t.name,t.size+"-"+e.replace(/[^0-9a-zA-Z_-]/gim,""))},getFromUniqueIdentifier:function(e){var i=!1;return utils.each(this.files,function(t){if(t.uniqueIdentifier===e)return i=t,!1}),i},uploadNextChunk:function(t){var i,e,r=!1,n=Chunk.STATUS.PENDING,s=this.uploader.opts.checkChunkUploadedByResponse;return this.opts.prioritizeFirstAndLastChunk&&(utils.each(this.files,function(t){if(!t.paused&&(!s||t._firstResponse||!t.isUploading()))return t.chunks.length&&t.chunks[0].status()===n?(t.chunks[0].send(),!(r=!0)):1<t.chunks.length&&t.chunks[t.chunks.length-1].status()===n?(t.chunks[t.chunks.length-1].send(),!(r=!0)):void 0}),r)?r:(utils.each((i=this).files,function(t){if(!t.paused&&t.status!==File.FILE_STATUS.SUCCESS&&t.status!==File.FILE_STATUS.ERROR){if(s&&!t._firstResponse&&t.isUploading())return;var e;utils.each(t.chunks,function(t){if(t.status()===n)return t.send(),!(r=!0)}),t.merged||(t.canMerge?t.status!==File.FILE_STATUS.MERGING&&(i._trigger("fileMergeStart",t),t.status=File.FILE_STATUS.MERGING,i._trigger("fileStatus",t,t.status,i.opts.statusText[t.status]),t.chunks[0]&&t.chunks[0].merge()):(e=!0,utils.each(t.chunks,function(t){if(t.needUpload)return e=!1}),e&&!t.isTesting&&(t.isTesting=!0,t.chunks[0]&&t.chunks[0].test())))}if(r)return!1}),!!r||(e=!1,utils.each(this.files,function(t){if(!t.isComplete())return!(e=!0)}),e||t||!this.files.length||this._triggerAsync("complete"),e))},upload:function(t){var e=this._shouldUploadNext();if(!1!==e){t||this._trigger("uploadStart");for(var i=!1,r=1;r<=this.opts.simultaneousUploads-e&&((i=this.uploadNextChunk(!t)||i)||!t);r++);i||t||this._triggerAsync("complete")}},_shouldUploadNext:function(){var e=0,i=!0,r=this.opts.simultaneousUploads,n=Chunk.STATUS.UPLOADING;return utils.each(this.files.filter(function(t){return"success"!==t.status}),function(t){return utils.each(t.chunks,function(t){if(t.status()===n&&r<=++e)return i=!1}),i}),i&&e},_calcXxhash:function(l){var c=l.uploader;new Promise(function(){var i=_asyncToGenerator(_regeneratorRuntime().mark(function t(i){var r,n,s,o,a,u,h;return _regeneratorRuntime().wrap(function(t){for(;;)switch(t.prev=t.next){case 0:return h=function(){var t=s*o,e=t+o>=l.file.size?l.file.size:t+o;u.readAsArrayBuffer(l.file.file[Uploader.sliceName].call(l.file.file,t,e))},c._trigger("calcHashStart",l.file),l.file.status=File.FILE_STATUS.CALCULATING,c._trigger("fileStatus",l.file,l.file.status,c.opts.statusText[l.file.status]),t.next=6,e();case 6:r=t.sent,r=r.create64,n=r(),(new Date).getTime(),s=0,o=5242880,a=Math.ceil(l.file.size/o),(u=new FileReader).onload=function(t){var t=new Uint8Array(t.target.result);n.update(t),s<a?(s++,h()):(t=n.digest().toString(16).padStart(16,"0"),i(t))},u.onerror=function(){},h();case 17:case"end":return t.stop()}},t)}));return function(t){return i.apply(this,arguments)}}()).then(function(t){l.file.hash=l.file.uniqueIdentifier=t,c._trigger("calcHashEnd",l.file,t),l.file.status=File.FILE_STATUS.UPLOADING,c._trigger("fileStatus",l.file,l.file.status,c.opts.statusText[l.file.status]),l.preprocessFinished()})},_calcMd5:function(u){var h=u.uploader;new Promise(function(e){h._trigger("calcHashStart",u.file),u.file.status=File.FILE_STATUS.CALCULATING,h._trigger("fileStatus",u.file,u.file.status,h.opts.statusText[u.file.status]);var i=new sparkMd5.ArrayBuffer,r=((new Date).getTime(),0),n=5242880,s=Math.ceil(u.file.size/n),o=new FileReader;function a(){var t=r*n,e=t+n>=u.file.size?u.file.size:t+n;o.readAsArrayBuffer(u.file.file[Uploader.sliceName].call(u.file.file,t,e))}o.onload=function(t){i.append(t.target.result),r<s?(r++,a()):(t=i.end(),e(t))},o.onerror=function(){},a()}).then(function(t){u.file.hash=u.file.uniqueIdentifier=t,h._trigger("calcHashEnd",u.file,t),u.file.status=File.FILE_STATUS.UPLOADING,h._trigger("fileStatus",u.file,u.file.status,h.opts.statusText[u.file.status]),u.preprocessFinished()})},assignBrowse:function(t,n,s,o){void 0===t.length&&(t=[t]),utils.each(t,function(e){"INPUT"===e.tagName&&"file"===e.type?i=e:((i=document.createElement("input")).setAttribute("type","file"),utils.extend(i.style,{visibility:"hidden",position:"absolute",width:"1px",height:"1px"}),e.appendChild(i),e.addEventListener("click",function(t){"label"!==e.tagName.toLowerCase()&&i.click()},!1)),this.opts.singleFile||s||i.setAttribute("multiple","multiple"),n&&i.setAttribute("webkitdirectory","webkitdirectory"),o&&utils.each(o,function(t,e){i.setAttribute(e,t)});var i,r=this;i.addEventListener("change",function(t){r._trigger(t.type,t),t.target.value&&(r.addFiles(t.target.files,t),t.target.value="")},!1)},this)},onDrop:function(t){this._trigger(t.type,t),this.opts.onDropStopPropagation&&t.stopPropagation(),t.preventDefault(),this._parseDataTransfer(t.dataTransfer,t)},_parseDataTransfer:function(t,e){t.items&&t.items[0]&&t.items[0].webkitGetAsEntry?this.webkitReadDataTransfer(t,e):this.addFiles(t.files,e)},webkitReadDataTransfer:function(t,e){var i=this,r=t.items.length,n=[];function s(t,e){t.relativePath=e.substring(1),n.push(t),a()}function o(t){throw t}function a(){0==--r&&i.addFiles(n,e)}utils.each(t.items,function(t){var e=t.webkitGetAsEntry();e?e.isFile?s(t.getAsFile(),e.fullPath):function i(e){e.readEntries(function(t){t.length?(r+=t.length,utils.each(t,function(t){var e;t.isFile?(e=t.fullPath,t.file(function(t){s(t,e)},o)):t.isDirectory&&i(t.createReader())}),i(e)):a()},o)}(e.createReader()):a()})},_assignHelper:function(t,e,i){void 0===t.length&&(t=[t]);var r=i?"removeEventListener":"addEventListener";utils.each(t,function(i){utils.each(e,function(t,e){i[r](e,t,!1)},this)},this)},_preventEvent:function(t){utils.preventEvent(t),this._trigger(t.type,t)},assignDrop:function(t){this._onDrop=utils.bind(this.onDrop,this),this._assignHelper(t,{dragover:this.preventEvent,dragenter:this.preventEvent,dragleave:this.preventEvent,drop:this._onDrop})},unAssignDrop:function(t){this._assignHelper(t,{dragover:this.preventEvent,dragenter:this.preventEvent,dragleave:this.preventEvent,drop:this._onDrop},!0),this._onDrop=null}});export{FILE_STATUS,Uploader as default};