!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.VueUploadComponent=t()}(this,function(){"use strict";var e=function(e){var t=new XMLHttpRequest;return t.open(e.method||"GET",e.url),t.responseType="json",e.headers&&Object.keys(e.headers).forEach(function(i){t.setRequestHeader(i,e.headers[i])}),t},t=function(e,t){return new Promise(function(i,n){e.onload=function(){if(e.status>=200&&e.status<300){var t;try{t=JSON.parse(e.response)}catch(i){t=e.response}i(t)}else n(e.response)},e.onerror=function(){return n(e.response)},e.send(JSON.stringify(t))})};function i(i){var n=e(i);return t(n,i.body)}var n=function(){function e(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,i,n){return i&&e(t.prototype,i),n&&e(t,n),t}}();var r=function(){function t(e,i){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),this.file=e,this.options=i}return n(t,[{key:"createChunks",value:function(){this.chunks=[];for(var e=0,t=this.chunkSize;e<this.fileSize;)this.chunks.push({blob:this.file.file.slice(e,t),startOffset:e,active:!1,retries:this.maxRetries}),t=(e=t)+this.chunkSize}},{key:"updateFileProgress",value:function(){this.file.progress=this.progress}},{key:"pause",value:function(){this.file.active=!1,this.stopChunks()}},{key:"stopChunks",value:function(){this.chunksUploading.forEach(function(e){e.xhr.abort(),e.active=!1})}},{key:"resume",value:function(){this.file.active=!0,this.startChunking()}},{key:"upload",value:function(){var e=this;return this.promise=new Promise(function(t,i){e.resolve=t,e.reject=i}),this.start(),this.promise}},{key:"start",value:function(){var e=this;i({method:"POST",headers:Object.assign({},this.headers,{"Content-Type":"application/json"}),url:this.action,body:Object.assign(this.startBody,{phase:"start",mime_type:this.fileType,size:this.fileSize,name:this.fileName})}).then(function(t){if("success"!==t.status)return e.file.response=t,e.reject("server");e.sessionId=t.data.session_id,e.chunkSize=t.data.end_offset,e.createChunks(),e.startChunking()}).catch(function(t){e.file.response=t,e.reject("server")})}},{key:"startChunking",value:function(){for(var e=0;e<this.maxActiveChunks;e++)this.uploadNextChunk()}},{key:"uploadNextChunk",value:function(){if(this.file.active){if(this.hasChunksToUpload)return this.uploadChunk(this.chunksToUpload[0]);if(0===this.chunksUploading.length)return this.finish()}}},{key:"uploadChunk",value:function(t){var i=this;t.progress=0,t.active=!0,this.updateFileProgress(),t.xhr=e({method:"POST",headers:this.headers,url:this.action}),t.xhr.upload.addEventListener("progress",function(e){e.lengthComputable&&(t.progress=Math.round(e.loaded/e.total*100))},!1),function(e,t){var i=new FormData;for(var n in t)i.append(n,t[n]);return new Promise(function(t,n){e.onload=function(){if(e.status>=200&&e.status<300){var i;try{i=JSON.parse(e.response)}catch(t){i=e.response}t(i)}else n(e.response)},e.onerror=function(){return n(e.response)},e.send(i)})}(t.xhr,Object.assign(this.uploadBody,{phase:"upload",session_id:this.sessionId,start_offset:t.startOffset,chunk:t.blob})).then(function(e){if(t.active=!1,"success"===e.status)t.uploaded=!0;else if(t.retries--<=0)return i.stopChunks(),i.reject("upload");i.uploadNextChunk()}).catch(function(){if(t.active=!1,t.retries--<=0)return i.stopChunks(),i.reject("upload");i.uploadNextChunk()})}},{key:"finish",value:function(){var e=this;this.updateFileProgress(),i({method:"POST",headers:Object.assign({},this.headers,{"Content-Type":"application/json"}),url:this.action,body:Object.assign(this.finishBody,{phase:"finish",session_id:this.sessionId})}).then(function(t){if(e.file.response=t,"success"!==t.status)return e.reject("server");e.resolve(t)}).catch(function(t){e.file.response=t,e.reject("server")})}},{key:"maxRetries",get:function(){return parseInt(this.options.maxRetries)}},{key:"maxActiveChunks",get:function(){return parseInt(this.options.maxActive)}},{key:"fileType",get:function(){return this.file.type}},{key:"fileSize",get:function(){return this.file.size}},{key:"fileName",get:function(){return this.file.name}},{key:"action",get:function(){return this.options.action||null}},{key:"startBody",get:function(){return this.options.startBody||{}}},{key:"uploadBody",get:function(){return this.options.uploadBody||{}}},{key:"finishBody",get:function(){return this.options.finishBody||{}}},{key:"headers",get:function(){return this.options.headers||{}}},{key:"readyToUpload",get:function(){return!!this.chunks}},{key:"progress",get:function(){var e=this,t=this.chunksUploaded.length/this.chunks.length*100,i=this.chunksUploading.reduce(function(t,i){return t+(0|i.progress)/e.chunks.length},0);return Math.min(t+i,100)}},{key:"chunksToUpload",get:function(){return this.chunks.filter(function(e){return!e.active&&!e.uploaded})}},{key:"hasChunksToUpload",get:function(){return this.chunksToUpload.length>0}},{key:"chunksUploading",get:function(){return this.chunks.filter(function(e){return!!e.xhr&&!!e.active})}},{key:"chunksUploaded",get:function(){return this.chunks.filter(function(e){return!!e.uploaded})}}]),t}();var s,o,a,u,c,l=(s={render:function(){var e=this,t=e.$createElement;return(e._self._c||t)("input",{attrs:{type:"file",name:e.$parent.name,id:e.$parent.inputId||e.$parent.name,accept:e.$parent.accept,capture:e.$parent.capture,webkitdirectory:e.$parent.directory&&e.$parent.features.directory,directory:e.$parent.directory&&e.$parent.features.directory,multiple:e.$parent.multiple&&e.$parent.features.html5},on:{change:e.change}})},staticRenderFns:[]},a=void 0,u=!1,(c=("function"==typeof(o={methods:{change:function(e){this.$parent.addInputFile(e.target),e.target.value="",e.target.files||(this.$destroy(),new this.constructor({parent:this.$parent,el:this.$el}))}}})?o.options:o)||{}).render||(c.render=s.render,c.staticRenderFns=s.staticRenderFns,c._compiled=!0,u&&(c.functional=!0)),c._scopeId=a,c),d=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var i=arguments[t];for(var n in i)Object.prototype.hasOwnProperty.call(i,n)&&(e[n]=i[n])}return e},f="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};function h(e){if(Array.isArray(e)){for(var t=0,i=Array(e.length);t<e.length;t++)i[t]=e[t];return i}return Array.from(e)}var p={headers:{},action:"",minSize:1048576,maxActive:3,maxRetries:5,handler:r};var m=function(e,t,i,n,r,s,o,a){var u=("function"==typeof i?i.options:i)||{};u.render||(u.render=e.render,u.staticRenderFns=e.staticRenderFns,u._compiled=!0,r&&(u.functional=!0)),u._scopeId=n;var c=void 0;if(t&&(c=function(e){t.call(this,o(e))}),void 0!==c)if(u.functional){var l=u.render;u.render=function(e,t){return c.call(t),l(e,t)}}else{var d=u.beforeCreate;u.beforeCreate=d?[].concat(d,c):[c]}return u}({render:function(){var e=this.$createElement,t=this._self._c||e;return t("span",{class:this.className},[this._t("default"),this._v(" "),t("label",{attrs:{for:this.inputId||this.name}}),this._v(" "),t("input-file")],2)},staticRenderFns:[]},function(e){e&&e("data-v-37fa7525_0",{source:"\n.file-uploads{overflow:hidden;position:relative;text-align:center;display:inline-block\n}\n.file-uploads.file-uploads-html4 input[type=file],.file-uploads.file-uploads-html5 label{background:#fff;opacity:0;font-size:20em;z-index:1;top:0;left:0;right:0;bottom:0;position:absolute;width:100%;height:100%\n}\n.file-uploads.file-uploads-html4 label,.file-uploads.file-uploads-html5 input[type=file]{background:rgba(255,255,255,0);overflow:hidden;position:fixed;width:1px;height:1px;z-index:-1;opacity:0\n}",map:void 0,media:void 0})},{components:{InputFile:l},props:{inputId:{type:String},name:{type:String,default:"file"},accept:{type:String},capture:{},multiple:{type:Boolean},maximum:{type:Number,default:function(){return this.multiple?0:1}},addIndex:{type:[Boolean,Number]},directory:{type:Boolean},postAction:{type:String},putAction:{type:String},customAction:{type:Function},headers:{type:Object,default:Object},data:{type:Object,default:Object},timeout:{type:Number,default:0},drop:{default:!1},dropDirectory:{type:Boolean,default:!0},size:{type:Number,default:0},extensions:{default:Array},value:{type:Array,default:Array},thread:{type:Number,default:1},chunkEnabled:{type:Boolean,default:!1},chunk:{type:Object,default:function(){return p}}},data:function(){return{files:this.value,features:{html5:!0,directory:!1,drag:!1},active:!1,dropActive:!1,uploading:0,destroy:!1}},mounted:function(){var e=document.createElement("input");e.type="file",e.multiple=!0,window.FormData&&e.files?("boolean"!=typeof e.webkitdirectory&&"boolean"!=typeof e.directory||(this.features.directory=!0),this.features.html5&&void 0!==e.ondrop&&(this.features.drop=!0)):this.features.html5=!1,this.maps={},this.$nextTick(function(){this.$parent&&this.$parent.$forceUpdate(),this.watchDrop(this.drop)})},beforeDestroy:function(){this.destroy=!0,this.active=!1},computed:{uploaded:function(){for(var e=void 0,t=0;t<this.files.length;t++)if((e=this.files[t]).fileObject&&!e.error&&!e.success)return!1;return!0},chunkOptions:function(){return Object.assign(p,this.chunk)},className:function(){return["file-uploads",this.features.html5?"file-uploads-html5":"file-uploads-html4",this.features.directory&&this.directory?"file-uploads-directory":void 0,this.features.drop&&this.drop?"file-uploads-drop":void 0]}},watch:{active:function(e){this.watchActive(e)},dropActive:function(){this.$parent&&this.$parent.$forceUpdate()},drop:function(e){this.watchDrop(e)},value:function(e){if(this.files!==e){this.files=e;var t=this.maps;this.maps={};for(var i=0;i<this.files.length;i++){var n=this.files[i];this.maps[n.id]=n}for(var r in this.maps){var s=this.maps[r],o=t[r];s!==o&&this.emitFile(s,o)}for(var a in t)this.maps[a]||this.emitFile(void 0,t[a])}}},methods:{clear:function(){if(this.files.length){var e=this.files;this.files=[],this.maps={},this.emitInput();for(var t=0;t<e.length;t++)this.emitFile(void 0,e[t])}return!0},get:function(e){return!!e&&("object"===(void 0===e?"undefined":f(e))?this.maps[e.id]||!1:this.maps[e]||!1)},add:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.addIndex,i=e,n=i instanceof Array;n||(i=[i]);for(var r=[],s=0;s<i.length;s++){var o=i[s];this.features.html5&&o instanceof Blob&&(o={file:o,size:o.size,name:o.webkitRelativePath||o.relativePath||o.name||"unknown",type:o.type});var a=!1;if(!1===o.fileObject||(o.fileObject?a=!0:"undefined"!=typeof Element&&o.el instanceof Element?a=!0:"undefined"!=typeof Blob&&o.file instanceof Blob&&(a=!0)),a&&((o=d({fileObject:!0,size:-1,name:"Filename",type:"",active:!1,error:"",success:!1,putAction:this.putAction,postAction:this.postAction,timeout:this.timeout},o,{response:{},progress:"0.00",speed:0})).data=d({},this.data,o.data?o.data:{}),o.headers=d({},this.headers,o.headers?o.headers:{})),o.id||(o.id=Math.random().toString(36).substr(2)),!this.emitFilter(o,void 0)){if(this.maximum>1&&r.length+this.files.length>=this.maximum)break;if(r.push(o),1===this.maximum)break}}if(!r.length)return!1;1===this.maximum&&this.clear();var u=void 0;if(!0===t||0===t)u=r.concat(this.files);else if(t){var c;(c=u=this.files.concat([])).splice.apply(c,[t,0].concat(r))}else u=this.files.concat(r);this.files=u;for(var l=0;l<r.length;l++){var f=r[l];this.maps[f.id]=f}this.emitInput();for(var h=0;h<r.length;h++)this.emitFile(r[h],void 0);return n?r:r[0]},addInputFile:function(e){var t=[];if(e.files)for(var i=0;i<e.files.length;i++){var n=e.files[i];t.push({size:n.size,name:n.webkitRelativePath||n.relativePath||n.name,type:n.type,file:n,el:e})}else{var r=e.value.replace(/\\/g,"/").split("/");t.push({name:r[r.length-1],el:e})}return this.add(t)},addDataTransfer:function(e){var t=this,i=[];if(e.items&&e.items.length){for(var n=[],r=0;r<e.items.length;r++){var s=e.items[r];(s=s.getAsEntry?s.getAsEntry()||s.getAsFile():s.webkitGetAsEntry&&s.webkitGetAsEntry()||s.getAsFile())&&n.push(s)}return new Promise(function(e,r){!function r(s){var o=n[s];if(!o||t.maximum>0&&i.length>=t.maximum)return e(t.add(i));t.getEntry(o).then(function(e){i.push.apply(i,h(e)),r(s+1)})}(0)})}if(e.files.length){for(var o=0;o<e.files.length&&(i.push(e.files[o]),!(this.maximum>0&&i.length>=this.maximum));o++);return Promise.resolve(this.add(i))}return Promise.resolve([])},getEntry:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"";return new Promise(function(n,r){if(e.isFile)e.file(function(e){n([{size:e.size,name:i+e.name,type:e.type,file:e}])});else if(e.isDirectory&&t.dropDirectory){var s=[],o=e.createReader();!function r(){o.readEntries(function(o){!function a(u){return!o[u]&&0===u||t.maximum>0&&s.length>=t.maximum?n(s):o[u]?void t.getEntry(o[u],i+e.name+"/").then(function(e){s.push.apply(s,h(e)),a(u+1)}):r()}(0)})}()}else n([])})},replace:function(e,t){var i=this.get(e),n=this.get(t);if(!i||!n||i===n)return!1;var r=this.files.concat([]),s=r.indexOf(i),o=r.indexOf(n);return-1!==s&&-1!==o&&(r[s]=n,r[o]=i,this.files=r,this.emitInput(),!0)},remove:function(e){var t=this.get(e);if(t){if(this.emitFilter(void 0,t))return!1;var i=this.files.concat([]),n=i.indexOf(t);if(-1===n)return console.error("remove",t),!1;i.splice(n,1),this.files=i,delete this.maps[t.id],this.emitInput(),this.emitFile(void 0,t)}return t},update:function(e,t){var i=this.get(e);if(i){var n=d({},i,t);if(!i.fileObject||!i.active||n.active||n.error||n.success||(n.error="abort"),this.emitFilter(n,i))return!1;var r=this.files.concat([]),s=r.indexOf(i);return-1===s?(console.error("update",i),!1):(r.splice(s,1,n),this.files=r,delete this.maps[i.id],this.maps[n.id]=n,this.emitInput(),this.emitFile(n,i),n)}return!1},emitFilter:function(e,t){var i=!1;return this.$emit("input-filter",e,t,function(){return i=!0}),i},emitFile:function(e,t){this.$emit("input-file",e,t),!(e&&e.fileObject&&e.active)||t&&t.active?e&&e.fileObject&&e.active||!t||!t.fileObject||!t.active||this.uploading--:(this.uploading++,this.$nextTick(function(){var t=this;setTimeout(function(){t.upload(e).then(function(){(e=t.get(e))&&e.fileObject&&t.update(e,{active:!1,success:!e.error})}).catch(function(i){t.update(e,{active:!1,success:!1,error:i.code||i.error||i.message||i})})},parseInt(50*Math.random()+50,10))})),!this.active||Boolean(e)===Boolean(t)&&e.active===t.active||this.watchActive(!0)},emitInput:function(){this.$emit("input",this.files)},upload:function(e){var t=this.get(e);if(!t)return Promise.reject("not_exists");if(!t.fileObject)return Promise.reject("file_object");if(t.error)return Promise.reject(t.error);if(t.success)return Promise.resolve(t);var i=this.extensions;if(i&&(i.length||void 0===i.length)&&("object"===(void 0===i?"undefined":f(i))&&i instanceof RegExp||("string"==typeof i&&(i=i.split(",").map(function(e){return e.trim()}).filter(function(e){return e})),i=new RegExp("\\.("+i.join("|").replace(/\./g,"\\.")+")$","i")),-1===t.name.search(i)))return Promise.reject("extension");if(this.size>0&&t.size>=0&&t.size>this.size)return Promise.reject("size");if(this.customAction)return this.customAction(t,this);if(this.features.html5){if(this.shouldUseChunkUpload(t))return this.uploadChunk(t);if(t.putAction)return this.uploadPut(t);if(t.postAction)return this.uploadHtml5(t)}return t.postAction?this.uploadHtml4(t):Promise.reject("No action configured")},shouldUseChunkUpload:function(e){return this.chunkEnabled&&!!this.chunkOptions.handler&&e.size>this.chunkOptions.minSize},uploadChunk:function(e){var t=this.chunkOptions.handler;return e.chunk=new t(e,this.chunkOptions),e.chunk.upload()},uploadPut:function(e){var t=[],i=void 0;for(var n in e.data)null!=(i=e.data[n])&&t.push(encodeURIComponent(n)+"="+encodeURIComponent(i));var r=t.length?(-1===e.putAction.indexOf("?")?"?":"&")+t.join("&"):"",s=new XMLHttpRequest;return s.open("PUT",e.putAction+r),this.uploadXhr(s,e,e.file)},uploadHtml5:function(e){var t=new window.FormData,i=void 0;for(var n in e.data)(i=e.data[n])&&"object"===(void 0===i?"undefined":f(i))&&"function"!=typeof i.toString?i instanceof File?t.append(n,i,i.name):t.append(n,JSON.stringify(i)):null!=i&&t.append(n,i);t.append(this.name,e.file,e.file.filename||e.name);var r=new XMLHttpRequest;return r.open("POST",e.postAction),this.uploadXhr(r,e,t)},uploadXhr:function(e,t,i){var n=this,r=t,s=0,o=0;e.upload.onprogress=function(e){if(r=n.get(r),e.lengthComputable&&r&&r.fileObject&&r.active){var t=Math.round(Date.now()/1e3);t!==s&&(s=t,r=n.update(r,{progress:(e.loaded/e.total*100).toFixed(2),speed:e.loaded-o}),o=e.loaded)}};var a=setInterval(function(){if(!(r=n.get(r))||!r.fileObject||r.success||r.error||!r.active){a&&(clearInterval(a),a=!1);try{e.abort(),e.timeout=1}catch(e){}}},100);return new Promise(function(t,s){var o=void 0,u=function(i){if(!o){if(o=!0,a&&(clearInterval(a),a=!1),!(r=n.get(r)))return s("not_exists");if(!r.fileObject)return s("file_object");if(r.error)return s(r.error);if(!r.active)return s("abort");if(r.success)return t(r);var u={};switch(i.type){case"timeout":case"abort":u.error=i.type;break;case"error":e.status?e.status>=500?u.error="server":e.status>=400&&(u.error="denied"):u.error="network";break;default:e.status>=500?u.error="server":e.status>=400?u.error="denied":u.progress="100.00"}if(e.responseText){var c=e.getResponseHeader("Content-Type");c&&-1!==c.indexOf("/json")?u.response=JSON.parse(e.responseText):u.response=e.responseText}return(r=n.update(r,u)).error?s(r.error):t(r)}};for(var c in e.onload=u,e.onerror=u,e.onabort=u,e.ontimeout=u,r.timeout&&(e.timeout=r.timeout),r.headers)e.setRequestHeader(c,r.headers[c]);r=n.update(r,{xhr:e}),e.send(i)})},uploadHtml4:function(e){var t=this,i=e,n=function(e){27===e.keyCode&&e.preventDefault()},r=document.createElement("iframe");r.id="upload-iframe-"+i.id,r.name="upload-iframe-"+i.id,r.src="about:blank",r.setAttribute("style","width:1px;height:1px;top:-999em;position:absolute; margin-top:-999em;");var s=document.createElement("form");s.action=i.postAction,s.name="upload-form-"+i.id,s.setAttribute("method","POST"),s.setAttribute("target","upload-iframe-"+i.id),s.setAttribute("enctype","multipart/form-data");var o=void 0,a=void 0;for(var u in i.data)(o=i.data[u])&&"object"===(void 0===o?"undefined":f(o))&&"function"!=typeof o.toString&&(o=JSON.stringify(o)),null!=o&&((a=document.createElement("input")).type="hidden",a.name=u,a.value=o,s.appendChild(a));s.appendChild(i.el),document.body.appendChild(r).appendChild(s);return new Promise(function(e,o){setTimeout(function(){if(!(i=t.update(i,{iframe:r})))return o("not_exists");var a=setInterval(function(){(i=t.get(i))&&i.fileObject&&!i.success&&!i.error&&i.active||(a&&(clearInterval(a),a=!1),r.onabort({type:i?"abort":"not_exists"}))},100),u=void 0,c=function(s){if(!u){if(u=!0,a&&(clearInterval(a),a=!1),document.body.removeEventListener("keydown",n),!(i=t.get(i)))return o("not_exists");if(!i.fileObject)return 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