From 6ae23c67253cfb1839a948e107f276a4998bfe8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Droz?= <raphael.droz+floss@gmail.com>
Date: Wed, 8 Sep 2021 17:44:02 -0300
Subject: [PATCH 1/2] status: When a chunk abort(), eg when parent's
 FlowFile.pause(), set its status back to pending (and pendingRetry === true)
 since it's actually not "uploading" anymore

---
 src/FlowChunk.js   | 4 ++--
 src/FlowFile.js    | 6 +++---
 test/uploadSpec.js | 4 +++-
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/FlowChunk.js b/src/FlowChunk.js
index c3b2013..ece7f06 100644
--- a/src/FlowChunk.js
+++ b/src/FlowChunk.js
@@ -444,11 +444,11 @@ export default class FlowChunk {
   status(isTest) {
     if (this.readState === 1) {
       return 'reading';
-    } else if (this.pendingRetry || this.preprocessState === 1) {
+    } else if (this.preprocessState === 1) {
       // if pending retry then that's effectively the same as actively uploading,
       // there might just be a slight delay before the retry starts
       return 'uploading';
-    } else if (!this.xhr) {
+    } else if (!this.xhr || this.pendingRetry) {
       return 'pending';
     } else if (this.xhr.readyState < 4) {
       // Status is really 'OPENED', 'HEADERS_RECEIVED'
diff --git a/src/FlowFile.js b/src/FlowFile.js
index 9e1a8f2..46b99b9 100644
--- a/src/FlowFile.js
+++ b/src/FlowFile.js
@@ -196,16 +196,16 @@ export default class FlowFile {
   abort(reset) {
     this.currentSpeed = 0;
     this.averageSpeed = 0;
-    var chunks = this.chunks;
     if (reset) {
       this.chunks = [];
     }
-    each(chunks, function (c) {
+    for (let c of this.chunks) {
       if (c.status() === 'uploading') {
         c.abort();
+        c.pendingRetry = true;
         this.flowObj.uploadNextChunk();
       }
-    }, this);
+    }
   }
 
   /**
diff --git a/test/uploadSpec.js b/test/uploadSpec.js
index a36b6f2..b6a6927 100644
--- a/test/uploadSpec.js
+++ b/test/uploadSpec.js
@@ -127,6 +127,7 @@ describe('upload file', function() {
   it('should pause and resume file', function () {
     flow.opts.chunkSize = 1;
     flow.opts.simultaneousUploads = 2;
+    flow.opts.testChunks = false;
     flow.addFile(new Blob(['1234']));
     flow.addFile(new Blob(['56']));
     var files = flow.files;
@@ -271,6 +272,7 @@ describe('upload file', function() {
     flow.addFile(new Blob(['12']));
     var file = flow.files[0];
     flow.upload();
+    expect(file.chunks[0].status()).toBe('uploading');
     expect(xhr.requests.length).toBe(1);
 
     xhr.requests[0].respond(400);
@@ -278,7 +280,7 @@ describe('upload file', function() {
     expect(error).not.toHaveBeenCalled();
     expect(success).not.toHaveBeenCalled();
     expect(retry).toHaveBeenCalled();
-    expect(file.chunks[0].status()).toBe('uploading');
+    expect(file.chunks[0].status()).toBe('pending');
 
     jasmine.clock().tick(100);
     expect(xhr.requests.length).toBe(2);

From 9c8d3ce697ddd3ca26046255ac8e854736acd103 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Droz?= <raphael.droz+floss@gmail.com>
Date: Wed, 8 Sep 2021 17:55:13 -0300
Subject: [PATCH 2/2] update bulds

---
 dist/flow.js     | 29 ++++++++++++++++++++---------
 dist/flow.min.js |  2 +-
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/dist/flow.js b/dist/flow.js
index bad3d7b..e101a12 100644
--- a/dist/flow.js
+++ b/dist/flow.js
@@ -6121,11 +6121,11 @@
       value: function status(isTest) {
         if (this.readState === 1) {
           return 'reading';
-        } else if (this.pendingRetry || this.preprocessState === 1) {
+        } else if (this.preprocessState === 1) {
           // if pending retry then that's effectively the same as actively uploading,
           // there might just be a slight delay before the retry starts
           return 'uploading';
-        } else if (!this.xhr) {
+        } else if (!this.xhr || this.pendingRetry) {
           return 'pending';
         } else if (this.xhr.readyState < 4) {
           // Status is really 'OPENED', 'HEADERS_RECEIVED'
@@ -6464,18 +6464,29 @@
       value: function abort(reset) {
         this.currentSpeed = 0;
         this.averageSpeed = 0;
-        var chunks = this.chunks;
 
         if (reset) {
           this.chunks = [];
         }
 
-        each(chunks, function (c) {
-          if (c.status() === 'uploading') {
-            c.abort();
-            this.flowObj.uploadNextChunk();
+        var _iterator = _createForOfIteratorHelper(this.chunks),
+            _step;
+
+        try {
+          for (_iterator.s(); !(_step = _iterator.n()).done;) {
+            var c = _step.value;
+
+            if (c.status() === 'uploading') {
+              c.abort();
+              c.pendingRetry = true;
+              this.flowObj.uploadNextChunk();
+            }
           }
-        }, this);
+        } catch (err) {
+          _iterator.e(err);
+        } finally {
+          _iterator.f();
+        }
       }
       /**
        * Cancel current upload and remove from a list
@@ -7132,7 +7143,7 @@
 
             if (!_file2.isComplete()) {
               outstanding = true;
-              return false;
+              break;
             }
           }
         } catch (err) {
diff --git a/dist/flow.min.js b/dist/flow.min.js
index 83c37ec..a46266b 100644
--- a/dist/flow.min.js
+++ b/dist/flow.min.js
@@ -1,3 +1,3 @@
 /*! @flowjs/flow.js 3.0.0-alpha.0 */
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16:t.t1=this.readState,t.next=0===t.t1?19:1===t.t1?22:23;break;case 19:return this.readState=1,r(this.fileObj,this.startByte,this.endByte,this.fileObj.file.type,this),t.abrupt("return");case 22:return t.abrupt("return");case 23:this.xhrSend(this.payload);case 24:case"end":return t.stop()}}),t,this)}))),function(){return e.apply(this,arguments)})},{key:"xhrSend",value:function(t){if(!this.flowObj.opts.testChunks||this.tested){this.loaded=0,this.total=0,this.pendingRetry=!1,this.xhr=new XMLHttpRequest,this.xhr.upload.addEventListener("progress",this.progressHandler.bind(this),!1),this.xhr.addEventListener("load",this.doneHandler.bind(this),!1),this.xhr.addEventListener("error",this.doneHandler.bind(this),!1);var e=ia(this.flowObj.opts.uploadMethod,this.fileObj,this),r=this.prepareXhrRequest(e,!1,this.flowObj.opts.method,t),n=this.flowObj.opts.changeRawDataBeforeSend;"function"==typeof n&&(r=n(this,r)),this.xhr.send(r)}else this.test()}},{key:"abort",value:function(){var t=this.xhr;this.xhr=null,t&&t.abort()}},{key:"status",value:function(t){return 1===this.readState?"reading":this.pendingRetry||1===this.preprocessState?"uploading":this.xhr?this.xhr.readyState<4?"uploading":this.flowObj.opts.successStatuses.indexOf(this.xhr.status)>-1?"success":this.flowObj.opts.permanentErrors.indexOf(this.xhr.status)>-1||!t&&this.retries>=this.flowObj.opts.maxChunkRetries?"error":(this.abort(),"pending"):"pending"}},{key:"message",value:function(){return this.xhr?this.xhr.responseText:""}},{key:"progress",value:function(){if(this.pendingRetry)return 0;var t=this.status();return"success"===t||"error"===t?1:"pending"===t?0:this.total>0?this.loaded/this.total:0}},{key:"sizeUploaded",value:function(){var t=this.endByte-this.startByte;return"success"!==this.status()&&(t=this.progress()*t),t}},{key:"prepareXhrRequest",value:function(t,e,r,n){var i=ia(this.flowObj.opts.query,this.fileObj,this,e);i=Object.assign({},i||{},this.getParams());var o=ia(this.flowObj.opts.target,this.fileObj,this,e),a=null;if("GET"===t||"octet"===r){var s=[];oa(i,(function(t,e){s.push([encodeURIComponent(e),encodeURIComponent(t)].join("="))})),o=this.getTarget(o,s),a=n||null}else a=new FormData,oa(i,(function(t,e){a.append(e,t)})),void 0!==n&&a.append(this.flowObj.opts.fileParameterName,n,this.filename||this.fileObj.file.name);return this.xhr.open(t,o,!0),this.xhr.withCredentials=this.flowObj.opts.withCredentials,oa(ia(this.flowObj.opts.headers,this.fileObj,this,e),(function(t,e){this.xhr.setRequestHeader(e,t)}),this),a}}]),t}(),Za=function(){function t(e,r,i){n(this,t),this.flowObj=e,this.file=r,this.name=r.fileName||r.name,this.size=r.size,this.relativePath=r.relativePath||r.webkitRelativePath||this.name,this.uniqueIdentifier=void 0===i?e.generateUniqueIdentifier(r):i,this.chunkSize=0,this.chunks=[],this.paused=!1,this.error=!1,this.averageSpeed=0,this.currentSpeed=0,this._lastProgressCallback=Date.now(),this._prevUploadedSize=0,this._prevProgress=0}return o(t,[{key:"measureSpeed",value:function(){var t=Date.now()-this._lastProgressCallback;if(t){var e=this.flowObj.opts.speedSmoothingFactor,r=this.sizeUploaded();this.currentSpeed=Math.max((r-this._prevUploadedSize)/t*1e3,0),this.averageSpeed=e*this.currentSpeed+(1-e)*this.averageSpeed,this._prevUploadedSize=r}}},{key:"chunkEvent",value:function(t,e,r){switch(e){case"progress":if(Date.now()-this._lastProgressCallback<this.flowObj.opts.progressCallbacksInterval)break;this.measureSpeed(),this.flowObj.emit("file-progress",this,t),this.flowObj.emit("progress"),this._lastProgressCallback=Date.now();break;case"error":this.error=!0,this.abort(!0),this.flowObj.emit("file-error",this,r,t),this.flowObj.emit("error",r,this,t);break;case"success":if(this.error)return;this.measureSpeed(),this.flowObj.emit("file-progress",this,t),this.flowObj.emit("progress"),this._lastProgressCallback=Date.now(),this.isComplete()&&(this.currentSpeed=0,this.averageSpeed=0,this.flowObj.emit("file-success",this,r,t));break;case"retry":this.flowObj.emit("file-retry",this,t)}}},{key:"pause",value:function(){this.paused=!0,this.abort()}},{key:"resume",value:function(){this.paused=!1,this.flowObj.upload()}},{key:"abort",value:function(t){this.currentSpeed=0,this.averageSpeed=0;var e=this.chunks;t&&(this.chunks=[]),oa(e,(function(t){"uploading"===t.status()&&(t.abort(),this.flowObj.uploadNextChunk())}),this)}},{key:"cancel",value:function(){this.flowObj.removeFile(this)}},{key:"retry",value:function(){this.bootstrap("retry"),this.flowObj.upload()}},{key:"bootstrap",value:function(){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.flowObj.opts.initFileFn;"function"==typeof t&&t(this),this._bootstrap()}},{key:"_bootstrap",value:function(){this.abort(!0),this.error=!1,this._prevProgress=0;var t=this.flowObj.opts.forceChunkSize?Math.ceil:Math.floor;this.chunkSize=ia(this.flowObj.opts.chunkSize,this);for(var e=Math.max(t(this.size/this.chunkSize),1),r=0;r<e;r++)this.chunks.push(new Ja(this.flowObj,this,r))}},{key:"progress",value:function(){if(this.error)return 1;if(1===this.chunks.length)return this._prevProgress=Math.max(this._prevProgress,this.chunks[0].progress()),this._prevProgress;var t=0;oa(this.chunks,(function(e){t+=e.progress()*(e.endByte-e.startByte)}));var e=t/this.size;return this._prevProgress=Math.max(this._prevProgress,e>.9999?1:e),this._prevProgress}},{key:"isUploading",value:function(){var t=!1;return oa(this.chunks,(function(e){if("uploading"===e.status())return t=!0,!1})),t}},{key:"isComplete",value:function(){var t=!1;return oa(this.chunks,(function(e){var r=e.status();if("pending"===r||"uploading"===r||"reading"===r||1===e.preprocessState||1===e.readState)return t=!0,!1})),!t}},{key:"sizeUploaded",value:function(){var t=0;return oa(this.chunks,(function(e){t+=e.sizeUploaded()})),t}},{key:"timeRemaining",value:function(){if(this.paused||this.error)return 0;var t=this.size-this.sizeUploaded();return t&&!this.averageSpeed?Number.POSITIVE_INFINITY:t||this.averageSpeed?Math.floor(t/this.averageSpeed):0}},{key:"getType",value:function(){return this.file.type&&this.file.type.split("/")[1]}},{key:"getExtension",value:function(){return this.name.substr(2+(~-this.name.lastIndexOf(".")>>>0)).toLowerCase()}}]),t}();("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{}).FlowFile=Za;var Qa=function(t){c(s,Za);var e,i,a=y(s);function s(){return n(this,s),a.apply(this,arguments)}return o(s,[{key:"retry",value:(i=r(regeneratorRuntime.mark((function t(){return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,this.bootstrap("retry");case 2:return t.abrupt("return",this.flowObj.upload());case 3:case"end":return t.stop()}}),t,this)}))),function(){return i.apply(this,arguments)})},{key:"bootstrap",value:(e=r(regeneratorRuntime.mark((function t(){var e,r,n=arguments;return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(e=n.length>0&&void 0!==n[0]?n[0]:null,"function"!=typeof(r=n.length>1&&void 0!==n[1]?n[1]:this.flowObj.opts.initFileFn)){t.next=5;break}return t.next=5,r(this,e);case 5:return this._bootstrap(),"retry"!==e&&this.flowObj.hook("file-added",this,e),t.abrupt("return",this);case 8:case"end":return t.stop()}}),t,this)}))),function(){return e.apply(this,arguments)})}]),s}(),ts=function(t){c(s,Do);var e,i,a=y(s);function s(t,e){var r;return n(this,s),r=a.call(this,e),s.version="3.0.0-alpha.0",r.supportDirectory=/Chrome/.test(window.navigator.userAgent)||/Firefox/.test(window.navigator.userAgent)||/Edge/.test(window.navigator.userAgent),r.files=[],r.defaults={chunkSize:1048576,forceChunkSize:!1,simultaneousUploads:3,singleFile:!1,fileParameterName:"file",progressCallbacksInterval:500,speedSmoothingFactor:.1,query:{},headers:{},withCredentials:!1,preprocess:null,changeRawDataBeforeSend:null,method:"multipart",testMethod:"GET",uploadMethod:"POST",prioritizeFirstAndLastChunk:!1,allowDuplicateUploads:!1,target:"/",testChunks:!0,generateUniqueIdentifier:null,maxChunkRetries:0,chunkRetryInterval:null,permanentErrors:[404,413,415,500,501],successStatuses:[200,201,202],onDropStopPropagation:!1,initFileFn:null,readFileFn:na,asyncReadFileFn:null},r.opts={},r.opts=Object.assign({},r.defaults,t||{}),r._onDropBound=null,r}return o(s,[{key:"onDrop",value:function(t){this.opts.onDropStopPropagation&&t.stopPropagation(),t.preventDefault();var e=t.dataTransfer;e.items&&e.items[0]&&e.items[0].webkitGetAsEntry?this.webkitReadDataTransfer(t):this.addFiles(e.files,t)}},{key:"preventEvent",value:function(t){t.preventDefault()}},{key:"webkitReadDataTransfer",value:function(t){var e,r=this,n=t.dataTransfer.items.length,i=function(){0==--n&&r.addFiles(o,t)},o=[],a=w(t.dataTransfer.items);try{for(a.s();!(e=a.n()).done;){var s=e.value,u=s.webkitGetAsEntry();if(!u)return void i();u.isFile?l(s.getAsFile(),u.fullPath):c(u.createReader())}}catch(t){a.e(t)}finally{a.f()}function c(t){t.readEntries((function(e){if(e.length){n+=e.length;var r,o={},a=w(e);try{for(a.s();!(r=a.n()).done;){var s=r.value;s.isFile?(o[s.name]=s.fullPath,s.file((function(t){return l(t,o[t.name])}),f)):s.isDirectory&&c(s.createReader())}}catch(t){a.e(t)}finally{a.f()}c(t)}else i()}),f)}function l(t,e){t.relativePath=e.substring(1),o.push(t),i()}function f(t){throw i(),t}}},{key:"generateUniqueIdentifier",value:function(t){var e=this.opts.generateUniqueIdentifier;if("function"==typeof e)return e(t);var r=t.relativePath||t.webkitRelativePath||t.fileName||t.name;return t.size+"-"+r.replace(/[^0-9a-zA-Z_-]/gim,"")}},{key:"uploadNextChunk",value:function(t){var e=!1;if(this.opts.prioritizeFirstAndLastChunk){var r,n=w(this.files);try{for(n.s();!(r=n.n()).done;){var i=r.value;if(!i.paused&&i.chunks.length&&"pending"===i.chunks[0].status()){i.chunks[0].send(),e=!0;break}if(!i.paused&&i.chunks.length>1&&"pending"===i.chunks[i.chunks.length-1].status()){i.chunks[i.chunks.length-1].send(),e=!0;break}}}catch(t){n.e(t)}finally{n.f()}if(e)return e}var o,a=w(this.files);try{t:for(a.s();!(o=a.n()).done;){var s=o.value;if(!s.paused){var u,c=w(s.chunks);try{for(c.s();!(u=c.n()).done;){var l=u.value;if("pending"===l.status()){l.send(),e=!0;break t}}}catch(t){c.e(t)}finally{c.f()}}}}catch(t){a.e(t)}finally{a.f()}if(e)return!0;var f,h=!1,p=w(this.files);try{for(p.s();!(f=p.n()).done;){if(!f.value.isComplete())return h=!0,!1}}catch(t){p.e(t)}finally{p.f()}return h||t||this.emit("complete"),!1}},{key:"assignBrowse",value:function(t,e,r,n){t instanceof Element&&(t=[t]),oa(t,(function(t){var i,o=this;"INPUT"===t.tagName&&"file"===t.type?i=t:((i=document.createElement("input")).setAttribute("type","file"),Object.assign(i.style,{visibility:"hidden",position:"absolute",width:"1px",height:"1px"}),t.appendChild(i),t.addEventListener("click",(function(){i.click()}),!1)),this.opts.singleFile||r||i.setAttribute("multiple","multiple"),e&&i.setAttribute("webkitdirectory","webkitdirectory"),oa(n,(function(t,e){i.setAttribute(e,t)})),i.addEventListener("change",(function(t){t.target.value&&(o.addFiles(t.target.files,t),t.target.value="")}),!1)}),this)}},{key:"assignDrop",value:function(t){void 0===t.length&&(t=[t]),this._onDropBound=this.onDrop.bind(this);var e,r=w(t);try{for(r.s();!(e=r.n()).done;){var n=e.value;n.addEventListener("dragover",this.preventEvent,!1),n.addEventListener("dragenter",this.preventEvent,!1),n.addEventListener("drop",this._onDropBound,!1)}}catch(t){r.e(t)}finally{r.f()}}},{key:"unAssignDrop",value:function(t){void 0===t.length&&(t=[t]);var e,r=w(t);try{for(r.s();!(e=r.n()).done;){var n=e.value;n.removeEventListener("dragover",this.preventEvent,!1),n.removeEventListener("dragenter",this.preventEvent,!1),n.removeEventListener("drop",this._onDropBound,!1)}}catch(t){r.e(t)}finally{r.f()}}},{key:"isUploading",value:function(){var t=!1;return oa(this.files,(function(e){if(e.isUploading())return t=!0,!1})),t}},{key:"_shouldUploadNext",value:function(){var t=0,e=!0,r=this.opts.simultaneousUploads;return oa(this.files,(function(n){oa(n.chunks,(function(n){if("uploading"===n.status()&&++t>=r)return e=!1,!1}))})),e&&t}},{key:"upload",value:function(){var t=this._shouldUploadNext();if(!1!==t){this.emit("upload-start");for(var e=!1,r=1;r<=this.opts.simultaneousUploads-t;r++)e=this.uploadNextChunk(!0)||e;e||this.emit("complete")}}},{key:"resume",value:function(){oa(this.files,(function(t){t.isComplete()||t.resume()}))}},{key:"pause",value:function(){oa(this.files,(function(t){t.pause()}))}},{key:"cancel",value:function(){for(var t=this.files.length-1;t>=0;t--)this.files[t].cancel()}},{key:"progress",value:function(){var t=0,e=0;return oa(this.files,(function(r){t+=r.progress()*r.size,e+=r.size})),e>0?t/e:0}},{key:"filterFileList",value:regeneratorRuntime.mark((function t(e,r){var n,i,o,a,s;return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:n=window.navigator.msPointerEnabled,i=w(e),t.prev=2,i.s();case 4:if((o=i.n()).done){t.next=17;break}if(a=o.value,!(n&&0===a.size||a.size%4096==0&&("."===a.name||"."===a.fileName))){t.next=8;break}return t.abrupt("continue",15);case 8:if(s=this.generateUniqueIdentifier(a),this.opts.allowDuplicateUploads||!this.getFromUniqueIdentifier(s)){t.next=11;break}return t.abrupt("continue",15);case 11:if(this.hook("filter-file",a,r)){t.next=13;break}return t.abrupt("continue",15);case 13:return t.next=15,[a,s];case 15:t.next=4;break;case 17:t.next=22;break;case 19:t.prev=19,t.t0=t.catch(2),i.e(t.t0);case 22:return t.prev=22,i.f(),t.finish(22);case 25:case"end":return t.stop()}}),t,this,[[2,19,22,25]])}))},{key:"addFile",value:function(t){for(var e=arguments.length,r=new Array(e>1?e-1:0),n=1;n<e;n++)r[n-1]=arguments[n];this.addFiles.apply(this,[[t]].concat(r))}},{key:"addFiles",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.opts.initFileFn;this.hasHook(!0)&&console.warn("Using addFiles() while settings asynchronous events can lead to unpredictable results. Use asyncAddFiles() instead.");for(var n,i,o,a=[],s=this.filterFileList(t,e);(n=s.next())&&!n.done;){var u=g(n.value,2);i=u[0],o=u[1];var c=new Za(this,i,o);c.bootstrap(e,r),this.hook("file-added",c,e),this.aHook("file-added",c,e),c.file&&a.push(c)}this.hook("files-added",a,e),this.aHook("files-added",a,e);var l,f=w(a=a.filter((function(t){return t})));try{for(f.s();!(l=f.n()).done;)i=l.value,this.opts.singleFile&&this.files.length>0&&this.removeFile(this.files[0]),this.files.push(i)}catch(t){f.e(t)}finally{f.f()}this.hook("files-submitted",this.files,e),this.aHook("files-submitted",this.files,e)}},{key:"asyncAddFile",value:(i=r(regeneratorRuntime.mark((function t(e){var r,n,i,o=arguments;return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:for(r=o.length,n=new Array(r>1?r-1:0),i=1;i<r;i++)n[i-1]=o[i];return t.next=3,this.asyncAddFiles.apply(this,[[e]].concat(n));case 3:return t.abrupt("return",t.sent[0]);case 4:case"end":return t.stop()}}),t,this)}))),function(t){return i.apply(this,arguments)})},{key:"asyncAddFiles",value:(e=r(regeneratorRuntime.mark((function t(e){var r,n,i,o,a,s,u,c,l,f,h,p,d,v,y,m,b,k=arguments;return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:r=k.length>1&&void 0!==k[1]?k[1]:null,n=k.length>2&&void 0!==k[2]?k[2]:this.opts.initFileFn,s=[],u=this.filterFileList(e,r);case 4:if(!(i=u.next())||i.done){t.next=16;break}return c=g(i.value,2),o=c[0],a=c[1],t.next=10,this.aHook("filter-file",o,r);case 10:if(t.sent){t.next=12;break}return t.abrupt("continue",4);case 12:l=new Qa(this,o,a),f=l.bootstrap(r,n),s.push(f),t.next=4;break;case 16:return t.next=18,Promise.all(s);case 18:h=t.sent,p=w(h),t.prev=20,p.s();case 22:if((d=p.n()).done){t.next=29;break}return v=d.value,this.hook("file-added",v,r),t.next=27,this.aHook("file-added",v,r);case 27:t.next=22;break;case 29:t.next=34;break;case 31:t.prev=31,t.t0=t.catch(20),p.e(t.t0);case 34:return t.prev=34,p.f(),t.finish(34);case 37:return this.hook("files-added",h,r),t.next=40,this.aHook("files-added",h,r);case 40:h=h.filter((function(t){return t&&t.file})),y=w(h);try{for(y.s();!(m=y.n()).done;)b=m.value,this.opts.singleFile&&this.files.length>0&&this.removeFile(this.files[0]),this.files.push(b)}catch(t){y.e(t)}finally{y.f()}return this.hook("files-submitted",this.files,r),t.next=46,this.aHook("files-submitted",this.files,r);case 46:return t.abrupt("return",h);case 47:case"end":return t.stop()}}),t,this,[[20,31,34,37]])}))),function(t){return e.apply(this,arguments)})},{key:"removeFile",value:function(t){for(var e=this.files.length-1;e>=0;e--)this.files[e]===t&&(this.files.splice(e,1),t.abort(),this.emit("file-removed",t))}},{key:"getFromUniqueIdentifier",value:function(t){var e=!1;return oa(this.files,(function(r){r.uniqueIdentifier===t&&(e=r)})),e}},{key:"getSize",value:function(){var t=0;return oa(this.files,(function(e){t+=e.size})),t}},{key:"sizeUploaded",value:function(){var t=0;return oa(this.files,(function(e){t+=e.sizeUploaded()})),t}},{key:"timeRemaining",value:function(){var t=0,e=0;return oa(this.files,(function(r){r.paused||r.error||(t+=r.size-r.sizeUploaded(),e+=r.averageSpeed)})),t&&!e?Number.POSITIVE_INFINITY:t||e?Math.floor(t/e):0}}]),s}();export default ts;
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e,r=w(this.chunks);try{for(r.s();!(e=r.n()).done;){var n=e.value;"uploading"===n.status()&&(n.abort(),n.pendingRetry=!0,this.flowObj.uploadNextChunk())}}catch(t){r.e(t)}finally{r.f()}}},{key:"cancel",value:function(){this.flowObj.removeFile(this)}},{key:"retry",value:function(){this.bootstrap("retry"),this.flowObj.upload()}},{key:"bootstrap",value:function(){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.flowObj.opts.initFileFn;"function"==typeof t&&t(this),this._bootstrap()}},{key:"_bootstrap",value:function(){this.abort(!0),this.error=!1,this._prevProgress=0;var t=this.flowObj.opts.forceChunkSize?Math.ceil:Math.floor;this.chunkSize=ba(this.flowObj.opts.chunkSize,this);for(var e=Math.max(t(this.size/this.chunkSize),1),r=0;r<e;r++)this.chunks.push(new ps(this.flowObj,this,r))}},{key:"progress",value:function(){if(this.error)return 1;if(1===this.chunks.length)return this._prevProgress=Math.max(this._prevProgress,this.chunks[0].progress()),this._prevProgress;var t=0;wa(this.chunks,(function(e){t+=e.progress()*(e.endByte-e.startByte)}));var e=t/this.size;return this._prevProgress=Math.max(this._prevProgress,e>.9999?1:e),this._prevProgress}},{key:"isUploading",value:function(){var t=!1;return wa(this.chunks,(function(e){if("uploading"===e.status())return t=!0,!1})),t}},{key:"isComplete",value:function(){var t=!1;return wa(this.chunks,(function(e){var r=e.status();if("pending"===r||"uploading"===r||"reading"===r||1===e.preprocessState||1===e.readState)return t=!0,!1})),!t}},{key:"sizeUploaded",value:function(){var t=0;return wa(this.chunks,(function(e){t+=e.sizeUploaded()})),t}},{key:"timeRemaining",value:function(){if(this.paused||this.error)return 0;var t=this.size-this.sizeUploaded();return t&&!this.averageSpeed?Number.POSITIVE_INFINITY:t||this.averageSpeed?Math.floor(t/this.averageSpeed):0}},{key:"getType",value:function(){return this.file.type&&this.file.type.split("/")[1]}},{key:"getExtension",value:function(){return this.name.substr(2+(~-this.name.lastIndexOf(".")>>>0)).toLowerCase()}}]),t}();("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{}).FlowFile=ds;var vs=function(t){c(s,t);var e,i,a=y(s);function s(){return n(this,s),a.apply(this,arguments)}return o(s,[{key:"retry",value:(i=r(regeneratorRuntime.mark((function t(){return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,this.bootstrap("retry");case 2:return t.abrupt("return",this.flowObj.upload());case 3:case"end":return t.stop()}}),t,this)}))),function(){return i.apply(this,arguments)})},{key:"bootstrap",value:(e=r(regeneratorRuntime.mark((function t(){var e,r,n=arguments;return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(e=n.length>0&&void 0!==n[0]?n[0]:null,"function"!=typeof(r=n.length>1&&void 0!==n[1]?n[1]:this.flowObj.opts.initFileFn)){t.next=5;break}return t.next=5,r(this,e);case 5:return this._bootstrap(),"retry"!==e&&this.flowObj.hook("file-added",this,e),t.abrupt("return",this);case 8:case"end":return t.stop()}}),t,this)}))),function(){return e.apply(this,arguments)})}]),s}(ds);return function(t){c(s,t);var e,i,a=y(s);function s(t,e){var r;return n(this,s),r=a.call(this,e),s.version="3.0.0-alpha.0",r.supportDirectory=/Chrome/.test(window.navigator.userAgent)||/Firefox/.test(window.navigator.userAgent)||/Edge/.test(window.navigator.userAgent),r.files=[],r.defaults={chunkSize:1048576,forceChunkSize:!1,simultaneousUploads:3,singleFile:!1,fileParameterName:"file",progressCallbacksInterval:500,speedSmoothingFactor:.1,query:{},headers:{},withCredentials:!1,preprocess:null,changeRawDataBeforeSend:null,method:"multipart",testMethod:"GET",uploadMethod:"POST",prioritizeFirstAndLastChunk:!1,allowDuplicateUploads:!1,target:"/",testChunks:!0,generateUniqueIdentifier:null,maxChunkRetries:0,chunkRetryInterval:null,permanentErrors:[404,413,415,500,501],successStatuses:[200,201,202],onDropStopPropagation:!1,initFileFn:null,readFileFn:ma,asyncReadFileFn:null},r.opts={},r.opts=Object.assign({},r.defaults,t||{}),r._onDropBound=null,r}return o(s,[{key:"onDrop",value:function(t){this.opts.onDropStopPropagation&&t.stopPropagation(),t.preventDefault();var e=t.dataTransfer;e.items&&e.items[0]&&e.items[0].webkitGetAsEntry?this.webkitReadDataTransfer(t):this.addFiles(e.files,t)}},{key:"preventEvent",value:function(t){t.preventDefault()}},{key:"webkitReadDataTransfer",value:function(t){var e,r=this,n=t.dataTransfer.items.length,i=function(){0==--n&&r.addFiles(o,t)},o=[],a=w(t.dataTransfer.items);try{for(a.s();!(e=a.n()).done;){var s=e.value,u=s.webkitGetAsEntry();if(!u)return void i();u.isFile?l(s.getAsFile(),u.fullPath):c(u.createReader())}}catch(t){a.e(t)}finally{a.f()}function c(t){t.readEntries((function(e){if(e.length){n+=e.length;var r,o={},a=w(e);try{for(a.s();!(r=a.n()).done;){var s=r.value;s.isFile?(o[s.name]=s.fullPath,s.file((function(t){return l(t,o[t.name])}),f)):s.isDirectory&&c(s.createReader())}}catch(t){a.e(t)}finally{a.f()}c(t)}else i()}),f)}function l(t,e){t.relativePath=e.substring(1),o.push(t),i()}function f(t){throw i(),t}}},{key:"generateUniqueIdentifier",value:function(t){var e=this.opts.generateUniqueIdentifier;if("function"==typeof e)return e(t);var r=t.relativePath||t.webkitRelativePath||t.fileName||t.name;return t.size+"-"+r.replace(/[^0-9a-zA-Z_-]/gim,"")}},{key:"uploadNextChunk",value:function(t){var e=!1;if(this.opts.prioritizeFirstAndLastChunk){var r,n=w(this.files);try{for(n.s();!(r=n.n()).done;){var i=r.value;if(!i.paused&&i.chunks.length&&"pending"===i.chunks[0].status()){i.chunks[0].send(),e=!0;break}if(!i.paused&&i.chunks.length>1&&"pending"===i.chunks[i.chunks.length-1].status()){i.chunks[i.chunks.length-1].send(),e=!0;break}}}catch(t){n.e(t)}finally{n.f()}if(e)return e}var o,a=w(this.files);try{t:for(a.s();!(o=a.n()).done;){var s=o.value;if(!s.paused){var u,c=w(s.chunks);try{for(c.s();!(u=c.n()).done;){var l=u.value;if("pending"===l.status()){l.send(),e=!0;break t}}}catch(t){c.e(t)}finally{c.f()}}}}catch(t){a.e(t)}finally{a.f()}if(e)return!0;var f,h=!1,p=w(this.files);try{for(p.s();!(f=p.n()).done;){if(!f.value.isComplete()){h=!0;break}}}catch(t){p.e(t)}finally{p.f()}return h||t||this.emit("complete"),!1}},{key:"assignBrowse",value:function(t,e,r,n){t instanceof Element&&(t=[t]),wa(t,(function(t){var i,o=this;"INPUT"===t.tagName&&"file"===t.type?i=t:((i=document.createElement("input")).setAttribute("type","file"),Object.assign(i.style,{visibility:"hidden",position:"absolute",width:"1px",height:"1px"}),t.appendChild(i),t.addEventListener("click",(function(){i.click()}),!1)),this.opts.singleFile||r||i.setAttribute("multiple","multiple"),e&&i.setAttribute("webkitdirectory","webkitdirectory"),wa(n,(function(t,e){i.setAttribute(e,t)})),i.addEventListener("change",(function(t){t.target.value&&(o.addFiles(t.target.files,t),t.target.value="")}),!1)}),this)}},{key:"assignDrop",value:function(t){void 0===t.length&&(t=[t]),this._onDropBound=this.onDrop.bind(this);var e,r=w(t);try{for(r.s();!(e=r.n()).done;){var n=e.value;n.addEventListener("dragover",this.preventEvent,!1),n.addEventListener("dragenter",this.preventEvent,!1),n.addEventListener("drop",this._onDropBound,!1)}}catch(t){r.e(t)}finally{r.f()}}},{key:"unAssignDrop",value:function(t){void 0===t.length&&(t=[t]);var e,r=w(t);try{for(r.s();!(e=r.n()).done;){var n=e.value;n.removeEventListener("dragover",this.preventEvent,!1),n.removeEventListener("dragenter",this.preventEvent,!1),n.removeEventListener("drop",this._onDropBound,!1)}}catch(t){r.e(t)}finally{r.f()}}},{key:"isUploading",value:function(){var t=!1;return wa(this.files,(function(e){if(e.isUploading())return t=!0,!1})),t}},{key:"_shouldUploadNext",value:function(){var t=0,e=!0,r=this.opts.simultaneousUploads;return wa(this.files,(function(n){wa(n.chunks,(function(n){if("uploading"===n.status()&&++t>=r)return e=!1,!1}))})),e&&t}},{key:"upload",value:function(){var t=this._shouldUploadNext();if(!1!==t){this.emit("upload-start");for(var e=!1,r=1;r<=this.opts.simultaneousUploads-t;r++)e=this.uploadNextChunk(!0)||e;e||this.emit("complete")}}},{key:"resume",value:function(){wa(this.files,(function(t){t.isComplete()||t.resume()}))}},{key:"pause",value:function(){wa(this.files,(function(t){t.pause()}))}},{key:"cancel",value:function(){for(var t=this.files.length-1;t>=0;t--)this.files[t].cancel()}},{key:"progress",value:function(){var t=0,e=0;return wa(this.files,(function(r){t+=r.progress()*r.size,e+=r.size})),e>0?t/e:0}},{key:"filterFileList",value:regeneratorRuntime.mark((function t(e,r){var n,i,o,a,s;return regeneratorRuntime.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:n=window.navigator.msPointerEnabled,i=w(e),t.prev=2,i.s();case 4:if((o=i.n()).done){t.next=17;break}if(a=o.value,!(n&&0===a.size||a.size%4096==0&&("."===a.name||"."===a.fileName))){t.next=8;break}return t.abrupt("continue",15);case 8:if(s=this.generateUniqueIdentifier(a),this.opts.allowDuplicateUploads||!this.getFromUniqueIdentifier(s)){t.next=11;break}return t.abrupt("continue",15);case 11:if(this.hook("filter-file",a,r)){t.next=13;break}return t.abrupt("continue",15);case 13:return t.next=15,[a,s];case 15:t.next=4;break;case 17:t.next=22;break;case 19:t.prev=19,t.t0=t.catch(2),i.e(t.t0);case 22:return t.prev=22,i.f(),t.finish(22);case 25:case"end":return t.stop()}}),t,this,[[2,19,22,25]])}))},{key:"addFile",value:function(t){for(var e=arguments.length,r=new Array(e>1?e-1:0),n=1;n<e;n++)r[n-1]=arguments[n];this.addFiles.apply(this,[[t]].concat(r))}},{key:"addFiles",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.opts.initFileFn;this.hasHook(!0)&&console.warn("Using addFiles() while settings asynchronous events can lead to unpredictable results. 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