/*!
 * Name: vue-upload-component
 * Version: 2.8.2
 * Author: LianYue
 */
!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.responseType="json",t.open(e.method||"GET",e.url),e.headers&&Object.keys(e.headers).forEach(function(i){t.setRequestHeader(i,e.headers[i])}),t},t=function(t){var i,n,r=e(t);return i=r,n=t.body,new Promise(function(e,t){i.onload=function(){i.status>=200&&i.status<300?e(i.response):t(i.response)},i.onerror=function(){return t(i.response)},i.send(JSON.stringify(n))})},i=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 n=function(){function n(e,t){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,n),this.file=e,this.options=t}return i(n,[{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.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;t({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})}).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:Object.assign(this.headers,{"Content-Type":"multipart/form-data"}),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(){e.status>=200&&e.status<300?t(e.response):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.pause(),i.reject("upload");i.uploadNextChunk()}).catch(function(){if(t.active=!1,t.retries--<=0)return i.pause(),i.reject("upload");i.uploadNextChunk()})}},{key:"finish",value:function(){var e=this;this.updateFileProgress(),t({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:"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})}}]),n}();!function(){if("undefined"!=typeof document){var e=document.head||document.getElementsByTagName("head")[0],t=document.createElement("style");t.type="text/css",t.styleSheet?t.styleSheet.cssText="":t.appendChild(document.createTextNode("")),e.appendChild(t)}}();var r=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},o="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 s(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)}!function(){if("undefined"!=typeof document){var e=document.head||document.getElementsByTagName("head")[0],t=document.createElement("style"),i=' .file-uploads { overflow: hidden; position: relative; text-align: center; display: inline-block; } .file-uploads.file-uploads-html4 input[type="file"] { opacity: 0; font-size: 20em; z-index: 1; top: 0; left: 0; right: 0; bottom: 0; position: absolute; width: 100%; height: 100%; } .file-uploads.file-uploads-html5 input[type="file"] { overflow: hidden; position: fixed; width: 1px; height: 1px; z-index: -1; opacity: 0; } ';t.type="text/css",t.styleSheet?t.styleSheet.cssText=i:t.appendChild(document.createTextNode(i)),e.appendChild(t)}}();var a={headers:{"Content-Type":"application/json"},action:"",minSize:1048576,maxActive:3,maxRetries:5,handler:n},u={render:function(){var e=this,t=e.$createElement,i=e._self._c||t;return i("label",{class:e.className},[e._t("default"),e._v(" "),i("input-file")],2)},staticRenderFns:[],components:{InputFile:{render:function(){var e=this,t=e.$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.$parent.features.html5},on:{change:e.change}})},staticRenderFns:[],methods:{change:function(e){this.$destroy(),this.$parent.addInputFile(e.target),new this.constructor({parent:this.$parent,el:this.$el})}}}},props:{inputId:{type:String},name:{type:String,default:"file"},accept:{type:String},capture:{},multiple:{type:Boolean},maximum:{type:Number,default:function(){return this.multiple?0:1}},addIndex:{type:[Boolean,Number]},directory:{type:Boolean},postAction:{type:String},putAction:{type:String},customAction:{type:Function},headers:{type:Object,default:Object},data:{type:Object,default:Object},timeout:{type:Number,default:0},drop:{default:!1},dropDirectory:{type:Boolean,default:!0},size:{type:Number,default:0},extensions:{default:Array},value:{type:Array,default:Array},thread:{type:Number,default:1},chunkEnabled:{type:Boolean,default:!1},chunk:{type:Object,default:function(){return a}}},data:function(){return{files:this.value,features:{html5:!0,directory:!1,drag:!1},active:!1,dropActive:!1,uploading:0,destroy:!1}},mounted:function(){var e=document.createElement("input");e.type="file",e.multiple=!0,window.FormData&&e.files?("boolean"!=typeof e.webkitdirectory&&"boolean"!=typeof e.directory||(this.features.directory=!0),this.features.html5&&void 0!==e.ondrop&&(this.features.drop=!0)):this.features.html5=!1,this.maps={},this.$nextTick(function(){this.$parent&&this.$parent.$forceUpdate(),this.watchDrop(this.drop)})},beforeDestroy:function(){this.destroy=!0,this.active=!1},computed:{uploaded:function(){for(var e=void 0,t=0;t<this.files.length;t++)if((e=this.files[t]).fileObject&&!e.error&&!e.success)return!1;return!0},chunkOptions:function(){return Object.assign(a,this.chunk)},className:function(){return["file-uploads",this.features.html5?"file-uploads-html5":"file-uploads-html4",this.features.directory&&this.directory?"file-uploads-directory":void 0,this.features.drop&&this.drop?"file-uploads-drop":void 0]}},watch:{active:function(e){this.watchActive(e)},dropActive:function(){this.$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 o=this.maps[r],s=t[r];o!==s&&this.emitFile(o,s)}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":o(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 o=[],s=0;s<i.length;s++){var a=i[s];this.features.html5&&a instanceof Blob&&(a={file:a,size:a.size,name:a.webkitRelativePath||a.relativePath||a.name||"unknown",type:a.type});var u=!1;if(!1===a.fileObject||(a.fileObject?u=!0:"undefined"!=typeof Element&&a.el instanceof Element?u=!0:"undefined"!=typeof Blob&&a.file instanceof Blob&&(u=!0)),u&&((a=r({fileObject:!0,size:-1,name:"Filename",type:"",active:!1,error:"",success:!1,putAction:this.putAction,postAction:this.postAction,timeout:this.timeout},a,{response:{},progress:"0.00",speed:0})).data=r({},this.data,a.data?a.data:{}),a.headers=r({},this.headers,a.headers?a.headers:{})),a.id||(a.id=Math.random().toString(36).substr(2)),!this.emitFilter(a,void 0)){if(this.maximum>1&&o.length+this.files.length>=this.maximum)break;if(o.push(a),1===this.maximum)break}}if(!o.length)return!1;1===this.maximum&&this.clear();var c=void 0;!0===t||0===t?c=o.concat(this.files):t?(c=o.concat([])).splice(t,0,o):c=this.files.concat(o),this.files=c;for(var d=0;d<o.length;d++){var l=o[d];this.maps[l.id]=l}this.emitInput();for(var h=0;h<o.length;h++)this.emitFile(o[h],void 0);return n?o:o[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 t.push({name:e.value.replace(/^.*?([^\/\\\r\n]+)$/,"$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 o=e.items[r];(o=o.getAsEntry?o.getAsEntry()||o.getAsFile():o.webkitGetAsEntry&&o.webkitGetAsEntry()||o.getAsFile())&&n.push(o)}return new Promise(function(e,r){!function r(o){var a=n[o];if(!a||t.maximum>0&&i.length>=t.maximum)return e(t.add(i));t.getEntry(a).then(function(e){i.push.apply(i,s(e)),r(o+1)})}(0)})}if(e.files.length){for(var a=0;a<e.files.length&&(i.push(e.files[a]),!(this.maximum>0&&i.length>=this.maximum));a++);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 o=[],a=e.createReader();!function r(){a.readEntries(function(a){!function u(c){return!a[c]&&0===c||t.maximum>0&&o.length>=t.maximum?n(o):a[c]?void t.getEntry(a[c],i+e.name+"/").then(function(e){o.push.apply(o,s(e)),u(c+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([]),o=r.indexOf(i),s=r.indexOf(n);return-1!==o&&-1!==s&&(r[o]=n,r[s]=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=r({},i,t);if(!i.fileObject||!i.active||n.active||n.error||n.success||(n.error="abort"),this.emitFilter(n,i))return!1;var o=this.files.concat([]),s=o.indexOf(i);return-1===s?(console.error("update",i),!1):(o.splice(s,1,n),this.files=o,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.$emit("input",this.files)},upload:function(e){var t=this.get(e);if(!t)return Promise.reject("not_exists");if(!t.fileObject)return Promise.reject("file_object");if(t.error)return Promise.reject(t.error);if(t.success)return Promise.resolve(t);var i=this.extensions;if(i&&(i.length||void 0===i.length)&&("object"===(void 0===i?"undefined":o(i))&&i instanceof RegExp||("string"==typeof i&&(i=i.split(",").map(function(e){return e.trim()}).filter(function(e){return e})),i=new RegExp("\\.("+i.join("|").replace(/\./g,"\\.")+")$","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])&&void 0!==i&&t.push(encodeURIComponent(n)+"="+encodeURIComponent(i));var r=t.length?(-1===e.putAction.indexOf("?")?"?":"&")+t.join("&"):"",o=new XMLHttpRequest;return o.open("PUT",e.putAction+r),this.uploadXhr(o,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":o(i))&&"function"!=typeof i.toString?i instanceof File?t.append(n,i,i.name):t.append(n,JSON.stringify(i)):null!==i&&void 0!==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,o=0,s=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!==o&&(o=t,r=n.update(r,{progress:(e.loaded/e.total*100).toFixed(2),speed:e.loaded-s}),s=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,o){var s=void 0,u=function(i){if(!s){if(s=!0,a&&(clearInterval(a),a=!1),!(r=n.get(r)))return o("not_exists");if(!r.fileObject)return o("file_object");if(r.error)return o(r.error);if(!r.active)return o("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?o(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 a=void 0,u=void 0;for(var c in i.data)(a=i.data[c])&&"object"===(void 0===a?"undefined":o(a))&&"function"!=typeof a.toString&&(a=JSON.stringify(a)),null!==a&&void 0!==a&&((u=document.createElement("input")).type="hidden",u.name=c,u.value=a,s.appendChild(u));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 o("file_object");if(i.error)return o(i.error);if(!i.active)return o("abort");if(i.success)return e(i);var c=function(){var e=void 0;try{r.contentWindow&&(e=r.contentWindow.document)}catch(e){}if(!e)try{e=r.contentDocument?r.contentDocument:r.document}catch(t){e=r.document}return e&&e.body?e.body.innerHTML:null}(),d={};switch(s.type){case"abort":d.error="abort";break;case"error":i.error?d.error=i.error:d.error=null===c?"network":"denied";break;default:i.error?d.error=i.error:null===d?d.error="network":d.progress="100.00"}if(null!==c){if(c&&"{"===c.substr(0,1)&&"}"===c.substr(c.length-1,1))try{c=JSON.parse(c)}catch(e){}d.response=c}return(i=t.update(i,d)).error?o(i.error):e(i)}};r.onload=c,r.onerror=c,r.onabort=c,document.body.addEventListener("keydown",n),s.submit()},50)}).then(function(e){return r.parentNode&&r.parentNode.removeChild(r),e}).catch(function(e){return r.parentNode&&r.parentNode.removeChild(r),e})},watchActive:function(e){for(var t=void 0,i=0;t=this.files[i];)if(i++,t.fileObject)if(e&&!this.destroy){if(this.uploading>=this.thread||this.uploading&&!this.features.html5)break;t.active||t.error||t.success||this.update(t,{active:!0})}else t.active&&this.update(t,{active:!1});else;0===this.uploading&&(this.active=!1)},watchDrop:function(e){var t=e;if(this.features.drop){if(this.dropElement)try{document.removeEventListener("dragenter",this.onDragenter,!1),document.removeEventListener("dragleave",this.onDragleave,!1),document.removeEventListener("drop",this.onDocumentDrop,!1),this.dropElement.removeEventListener("dragover",this.onDragover,!1),this.dropElement.removeEventListener("drop",this.onDrop,!1)}catch(e){}t?"string"==typeof t?t=document.querySelector(t)||this.$root.$el.querySelector(t):!0===t&&(t=this.$parent.$el):t=!1,this.dropElement=t,this.dropElement&&(document.addEventListener("dragenter",this.onDragenter,!1),document.addEventListener("dragleave",this.onDragleave,!1),document.addEventListener("drop",this.onDocumentDrop,!1),this.dropElement.addEventListener("dragover",this.onDragover,!1),this.dropElement.addEventListener("drop",this.onDrop,!1))}},onDragenter:function(e){e.preventDefault(),this.dropActive||(this.dropActive=!0)},onDragleave:function(e){e.preventDefault(),("HTML"===e.target.nodeName||0===e.screenX&&0===e.screenY&&!e.fromElement&&e.offsetX<=0)&&(this.dropActive=!1)},onDragover:function(e){e.preventDefault()},onDocumentDrop:function(){this.dropActive=!1},onDrop:function(e){e.preventDefault(),this.addDataTransfer(e.dataTransfer)}}},c=Object.freeze({default:u});return c&&u||c});
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