Merge ~corey.bryant/ubuntu/+source/horizon:master into ~ubuntu-openstack-dev/ubuntu/+source/horizon:master

[Corey Bryant]

New upstream snapshot for OpenStack Bobcat.

This is an automated merge proposal.

diff --git a/debian/changelog b/debian/changelog
index 23ac026..070e696 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+horizon (4:23.2.0+git2023090509.7896fd8c-0ubuntu1) mantic; urgency=medium
+
+  * New upstream snapshot for OpenStack Bobcat.
+  * Refresh xstatic assets.
+
+ -- Corey Bryant <[e-mail]>  Tue, 05 Sep 2023 09:20:32 -0400
+
 horizon (4:23.2.0+git2023071214.e6f39871-0ubuntu1) mantic; urgency=medium
 
   * d/gbp.conf, .launchpad.yaml: Sync from cloud-archive-tools for
diff --git a/xstatic/pkg/angular_fileupload/__init__.py b/xstatic/pkg/angular_fileupload/__init__.py
index 43c9db9..b812f41 100644
--- a/xstatic/pkg/angular_fileupload/__init__.py
+++ b/xstatic/pkg/angular_fileupload/__init__.py
@@ -11,7 +11,7 @@ NAME = __name__.split('.')[-1] # package name (e.g. 'foo' or 'foo_bar')
                                # please use a all-lowercase valid python
                                # package name
 
-VERSION = '12.0.4' # version of the packaged files, please use the upstream
+VERSION = '12.2.13' # version of the packaged files, please use the upstream
                   # version number
 BUILD = '0' # our package build number, so we can release new builds
              # with fixes for xstatic stuff.
@@ -24,8 +24,8 @@ CLASSIFIERS = []
 KEYWORDS = '%s xstatic' % NAME
 
 # XStatic-* package maintainer:
-MAINTAINER = 'Rob Cresswell'
-MAINTAINER_EMAIL = '[e-mail]'
+MAINTAINER = 'Radomir Dopieralski'
+MAINTAINER_EMAIL = '[e-mail]'
 
 # this refers to the project homepage of the stuff we packaged:
 HOMEPAGE = 'https://github.com/danialfarid/angular-file-upload'
diff --git a/xstatic/pkg/angular_fileupload/data/FileAPI.min.js b/xstatic/pkg/angular_fileupload/data/FileAPI.min.js
index c7b0266..2afb71e 100644
--- a/xstatic/pkg/angular_fileupload/data/FileAPI.min.js
+++ b/xstatic/pkg/angular_fileupload/data/FileAPI.min.js
@@ -1,4 +1,4 @@
-/*! 12.0.4 */
+/*! 12.2.13 */
 /*! FileAPI 2.0.7 - BSD | git://github.com/mailru/FileAPI.git
  * FileAPI — a set of  javascript tools for working with files. Multiupload, drag'n'drop and chunked file upload. Images: crop, resize and auto orientation by EXIF.
  */
diff --git a/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.js b/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.js
index fca2e64..e342351 100644
--- a/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.js
+++ b/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.js
@@ -1,9 +1,9 @@
 /**!
- * AngularJS file upload directives and services. Supoorts: file upload/drop/paste, resume, cancel/abort,
+ * AngularJS file upload directives and services. Supports: file upload/drop/paste, resume, cancel/abort,
  * progress, resize, thumbnail, preview, validation and CORS
  * FileAPI Flash shim for old browsers not supporting FormData
  * @author  Danial  <[e-mail]>
- * @version 12.0.4
+ * @version 12.2.13
  */
 
 (function () {
@@ -424,7 +424,7 @@ if (!window.FileReader) {
  * AngularJS file upload directives and services. Supoorts: file upload/drop/paste, resume, cancel/abort,
  * progress, resize, thumbnail, preview, validation and CORS
  * @author  Danial  <[e-mail]>
- * @version 12.0.4
+ * @version 12.2.13
  */
 
 if (window.XMLHttpRequest && !(window.FileAPI && FileAPI.shouldLoad)) {
@@ -445,7 +445,7 @@ if (window.XMLHttpRequest && !(window.FileAPI && FileAPI.shouldLoad)) {
 
 var ngFileUpload = angular.module('ngFileUpload', []);
 
-ngFileUpload.version = '12.0.4';
+ngFileUpload.version = '12.2.13';
 
 ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, $q, $timeout) {
   var upload = this;
@@ -512,10 +512,12 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
     function uploadWithAngular() {
       $http(config).then(function (r) {
           if (resumeSupported && config._chunkSize && !config._finished && config._file) {
+            var fileSize = config._file && config._file.size || 0;
             notifyProgress({
-                loaded: config._end,
-                total: config._file && config._file.size,
-                config: config, type: 'progress'
+                loaded: Math.min(config._end, fileSize),
+                total: fileSize,
+                config: config,
+                type: 'progress'
               }
             );
             upload.upload(config, true);
@@ -554,6 +556,9 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
     } else if (config.resumeSize) {
       config.resumeSize().then(function (size) {
         config._start = size;
+        if (config._chunkSize) {
+          config._end = config._start + config._chunkSize;
+        }
         uploadWithAngular();
       }, function (e) {
         throw e;
@@ -607,9 +612,11 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
     };
 
     upload.promisesCount++;
-    promise['finally'](function () {
-      upload.promisesCount--;
-    });
+    if (promise['finally'] && promise['finally'] instanceof Function) {
+      promise['finally'](function () {
+        upload.promisesCount--;
+      });
+    }
     return promise;
   }
 
@@ -793,9 +800,11 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
       var arrayBufferView = new Uint8Array(resp.data);
       var type = resp.headers('content-type') || 'image/WebP';
       var blob = new window.Blob([arrayBufferView], {type: type});
+      var matches = url.match(/.*\/(.+?)(\?.*)?$/);
+      if (matches.length > 1) {
+        blob.name = matches[1];
+      }
       defer.resolve(blob);
-      //var split = type.split('[/;]');
-      //blob.name = url.substring(0, 150).replace(/\W+/g, '') + '.' + (split.length > 1 ? split[1] : 'jpg');
     }, function (e) {
       defer.reject(e);
     });
@@ -843,7 +852,7 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
   };
 
   upload.shouldUpdateOn = function (type, attr, scope) {
-    var modelOptions = upload.attrGetter('ngModelOptions', attr, scope);
+    var modelOptions = upload.attrGetter('ngfModelOptions', attr, scope);
     if (modelOptions && modelOptions.updateOn) {
       return modelOptions.updateOn.split(' ').indexOf(type) > -1;
     }
@@ -893,13 +902,13 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
     return $q.all(promises);
   }
 
-  function resize(files, attr, scope) {
+  function resizeFile(files, attr, scope, ngModel) {
     var resizeVal = upload.attrGetter('ngfResize', attr, scope);
     if (!resizeVal || !upload.isResizeSupported() || !files.length) return upload.emptyPromise();
     if (resizeVal instanceof Function) {
       var defer = $q.defer();
-      resizeVal(files).then(function (p) {
-        resizeWithParams(p, files, attr, scope).then(function (r) {
+      return resizeVal(files).then(function (p) {
+        resizeWithParams(p, files, attr, scope, ngModel).then(function (r) {
           defer.resolve(r);
         }, function (e) {
           defer.reject(e);
@@ -908,27 +917,30 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
         defer.reject(e);
       });
     } else {
-      return resizeWithParams(resizeVal, files, attr, scope);
+      return resizeWithParams(resizeVal, files, attr, scope, ngModel);
     }
   }
 
-  function resizeWithParams(param, files, attr, scope) {
+  function resizeWithParams(params, files, attr, scope, ngModel) {
     var promises = [upload.emptyPromise()];
 
     function handleFile(f, i) {
       if (f.type.indexOf('image') === 0) {
-        if (param.pattern && !upload.validatePattern(f, param.pattern)) return;
-        var promise = upload.resize(f, param.width, param.height, param.quality,
-          param.type, param.ratio, param.centerCrop, function (width, height) {
-            return upload.attrGetter('ngfResizeIf', attr, scope,
-              {$width: width, $height: height, $file: f});
-          }, param.restoreExif !== false);
+        if (params.pattern && !upload.validatePattern(f, params.pattern)) return;
+        params.resizeIf = function (width, height) {
+          return upload.attrGetter('ngfResizeIf', attr, scope,
+            {$width: width, $height: height, $file: f});
+        };
+        var promise = upload.resize(f, params);
         promises.push(promise);
         promise.then(function (resizedFile) {
           files.splice(i, 1, resizedFile);
         }, function (e) {
           f.$error = 'resize';
+          (f.$errorMessages = (f.$errorMessages || {})).resize = true;
           f.$errorParam = (e ? (e.message ? e.message : e) + ': ' : '') + (f && f.name);
+          ngModel.$ngfValidations.push({name: 'resize', valid: false});
+          upload.applyModelValidation(ngModel, files);
         });
       }
     }
@@ -1015,18 +1027,6 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
       return angular.isArray(v) ? v : [v];
     }
 
-    function separateInvalids() {
-      valids = [];
-      invalids = [];
-      angular.forEach(allNewFiles, function (file) {
-        if (file.$error) {
-          invalids.push(file);
-        } else {
-          valids.push(file);
-        }
-      });
-    }
-
     function resizeAndUpdate() {
       function updateModel() {
         $timeout(function () {
@@ -1036,17 +1036,30 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
         }, options && options.debounce ? options.debounce.change || options.debounce : 0);
       }
 
-      resize(validateAfterResize ? allNewFiles : valids, attr, scope).then(function () {
+      var resizingFiles = validateAfterResize ? allNewFiles : valids;
+      resizeFile(resizingFiles, attr, scope, ngModel).then(function () {
         if (validateAfterResize) {
-          upload.validate(allNewFiles, prevValidFiles.length, ngModel, attr, scope).then(function () {
-            separateInvalids();
-            updateModel();
-          });
+          upload.validate(allNewFiles, keep ? prevValidFiles.length : 0, ngModel, attr, scope)
+            .then(function (validationResult) {
+              valids = validationResult.validsFiles;
+              invalids = validationResult.invalidsFiles;
+              updateModel();
+            });
         } else {
           updateModel();
         }
-      }, function (e) {
-        throw 'Could not resize files ' + e;
+      }, function () {
+        for (var i = 0; i < resizingFiles.length; i++) {
+          var f = resizingFiles[i];
+          if (f.$error === 'resize') {
+            var index = valids.indexOf(f);
+            if (index > -1) {
+              valids.splice(index, 1);
+              invalids.push(f);
+            }
+            updateModel();
+          }
+        }
       });
     }
 
@@ -1076,13 +1089,15 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
 
     var validateAfterResize = upload.attrGetter('ngfValidateAfterResize', attr, scope);
 
-    var options = upload.attrGetter('ngModelOptions', attr, scope);
-    upload.validate(allNewFiles, prevValidFiles.length, ngModel, attr, scope).then(function () {
+    var options = upload.attrGetter('ngfModelOptions', attr, scope);
+    upload.validate(allNewFiles, keep ? prevValidFiles.length : 0, ngModel, attr, scope)
+      .then(function (validationResult) {
       if (noDelay) {
         update(allNewFiles, [], files, dupFiles, isSingleModel);
       } else {
         if ((!options || !options.allowInvalid) && !validateAfterResize) {
-          separateInvalids();
+          valids = validationResult.validFiles;
+          invalids = validationResult.invalidFiles;
         } else {
           valids = allNewFiles;
         }
@@ -1119,7 +1134,7 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
     /** @namespace attr.ngfSelect */
     /** @namespace attr.ngfChange */
     /** @namespace attr.ngModel */
-    /** @namespace attr.ngModelOptions */
+    /** @namespace attr.ngfModelOptions */
     /** @namespace attr.ngfMultiple */
     /** @namespace attr.ngfCapture */
     /** @namespace attr.ngfValidate */
@@ -1139,6 +1154,8 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
     function changeFn(evt) {
       if (upload.shouldUpdateOn('change', attr, scope)) {
         var fileList = evt.__files_ || (evt.target && evt.target.files), files = [];
+        /* Handle duplicate call in  IE11 */
+        if (!fileList) return;
         for (var i = 0; i < fileList.length; i++) {
           files.push(fileList[i]);
         }
@@ -1150,31 +1167,39 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
     upload.registerModelChangeValidator(ngModel, attr, scope);
 
     var unwatches = [];
-    unwatches.push(scope.$watch(attrGetter('ngfMultiple'), function () {
-      fileElem.attr('multiple', attrGetter('ngfMultiple', scope));
-    }));
-    unwatches.push(scope.$watch(attrGetter('ngfCapture'), function () {
-      fileElem.attr('capture', attrGetter('ngfCapture', scope));
-    }));
-    unwatches.push(scope.$watch(attrGetter('ngfAccept'), function () {
-      fileElem.attr('accept', attrGetter('ngfAccept', scope));
-    }));
-    attr.$observe('accept', function () {
+    if (attrGetter('ngfMultiple')) {
+      unwatches.push(scope.$watch(attrGetter('ngfMultiple'), function () {
+        fileElem.attr('multiple', attrGetter('ngfMultiple', scope));
+      }));
+    }
+    if (attrGetter('ngfCapture')) {
+      unwatches.push(scope.$watch(attrGetter('ngfCapture'), function () {
+        fileElem.attr('capture', attrGetter('ngfCapture', scope));
+      }));
+    }
+    if (attrGetter('ngfAccept')) {
+      unwatches.push(scope.$watch(attrGetter('ngfAccept'), function () {
+        fileElem.attr('accept', attrGetter('ngfAccept', scope));
+      }));
+    }
+    unwatches.push(attr.$observe('accept', function () {
       fileElem.attr('accept', attrGetter('accept'));
-    });
-    unwatches.push(function () {
-      if (attr.$$observers) delete attr.$$observers.accept;
-    });
-    function bindAttrToFileInput(fileElem) {
-      if (elem !== fileElem) {
-        for (var i = 0; i < elem[0].attributes.length; i++) {
-          var attribute = elem[0].attributes[i];
-          if (attribute.name !== 'type' && attribute.name !== 'class' && attribute.name !== 'style') {
-            if (attribute.value == null || attribute.value === '') {
-              if (attribute.name === 'required') attribute.value = 'required';
-              if (attribute.name === 'multiple') attribute.value = 'multiple';
-            }
-            fileElem.attr(attribute.name, attribute.name === 'id' ? 'ngf-' + attribute.value : attribute.value);
+    }));
+    function bindAttrToFileInput(fileElem, label) {
+      function updateId(val) {
+        fileElem.attr('id', 'ngf-' + val);
+        label.attr('id', 'ngf-label-' + val);
+      }
+
+      for (var i = 0; i < elem[0].attributes.length; i++) {
+        var attribute = elem[0].attributes[i];
+        if (attribute.name !== 'type' && attribute.name !== 'class' && attribute.name !== 'style') {
+          if (attribute.name === 'id') {
+            updateId(attribute.value);
+            unwatches.push(attr.$observe('id', updateId));
+          } else {
+            fileElem.attr(attribute.name, (!attribute.value && (attribute.name === 'required' ||
+            attribute.name === 'multiple')) ? attribute.name : attribute.value);
           }
         }
       }
@@ -1187,12 +1212,12 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
 
       var fileElem = angular.element('<input type="file">');
 
-      bindAttrToFileInput(fileElem);
-
       var label = angular.element('<label>upload</label>');
       label.css('visibility', 'hidden').css('position', 'absolute').css('overflow', 'hidden')
         .css('width', '0px').css('height', '0px').css('border', 'none')
         .css('margin', '0px').css('padding', '0px').attr('tabindex', '-1');
+      bindAttrToFileInput(fileElem, label);
+
       generatedElems.push({el: elem, ref: label});
 
       document.body.appendChild(label.append(fileElem)[0]);
@@ -1200,13 +1225,12 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
       return fileElem;
     }
 
-    var initialTouchStartY = 0;
-
     function clickHandler(evt) {
       if (elem.attr('disabled')) return false;
       if (attrGetter('ngfSelectDisabled', scope)) return;
 
-      var r = handleTouch(evt);
+      var r = detectSwipe(evt);
+      // prevent the click if it is a swipe
       if (r != null) return r;
 
       resetModel(evt);
@@ -1218,7 +1242,8 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
           document.body.appendChild(fileElem.parent()[0]);
           fileElem.bind('change', changeFn);
         }
-      } catch(e){/*ignore*/}
+      } catch (e) {/*ignore*/
+      }
 
       if (isDelayedClickSupported(navigator.userAgent)) {
         setTimeout(function () {
@@ -1231,19 +1256,30 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
       return false;
     }
 
-    function handleTouch(evt) {
-      var touches = evt.changedTouches || (evt.originalEvent && evt.originalEvent.changedTouches);
-      if (evt.type === 'touchstart') {
-        initialTouchStartY = touches ? touches[0].clientY : 0;
-        return true; // don't block event default
-      } else {
-        evt.stopPropagation();
-        evt.preventDefault();
 
-        // prevent scroll from triggering event
-        if (evt.type === 'touchend') {
-          var currentLocation = touches ? touches[0].clientY : 0;
-          if (Math.abs(currentLocation - initialTouchStartY) > 20) return false;
+    var initialTouchStartY = 0;
+    var initialTouchStartX = 0;
+
+    function detectSwipe(evt) {
+      var touches = evt.changedTouches || (evt.originalEvent && evt.originalEvent.changedTouches);
+      if (touches) {
+        if (evt.type === 'touchstart') {
+          initialTouchStartX = touches[0].clientX;
+          initialTouchStartY = touches[0].clientY;
+          return true; // don't block event default
+        } else {
+          // prevent scroll from triggering event
+          if (evt.type === 'touchend') {
+            var currentX = touches[0].clientX;
+            var currentY = touches[0].clientY;
+            if ((Math.abs(currentX - initialTouchStartX) > 20) ||
+              (Math.abs(currentY - initialTouchStartY) > 20)) {
+              evt.stopPropagation();
+              evt.preventDefault();
+              return false;
+            }
+          }
+          return true;
         }
       }
     }
@@ -1474,14 +1510,19 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
         var size = resizeParams;
         if (directiveName === 'ngfThumbnail') {
           if (!size) {
-            size = {width: elem[0].clientWidth, height: elem[0].clientHeight};
+            size = {
+              width: elem[0].naturalWidth || elem[0].clientWidth,
+              height: elem[0].naturalHeight || elem[0].clientHeight
+            };
           }
           if (size.width === 0 && window.getComputedStyle) {
             var style = getComputedStyle(elem[0]);
-            size = {
-              width: parseInt(style.width.slice(0, -2)),
-              height: parseInt(style.height.slice(0, -2))
-            };
+            if (style.width && style.width.indexOf('px') > -1 && style.height && style.height.indexOf('px') > -1) {
+              size = {
+                width: parseInt(style.width.slice(0, -2)),
+                height: parseInt(style.height.slice(0, -2))
+              };
+            }
           }
         }
 
@@ -1496,7 +1537,11 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
         if (file && file.type && file.type.search(getTagType(elem[0])) === 0 &&
           (!isBackground || file.type.indexOf('image') === 0)) {
           if (size && Upload.isResizeSupported()) {
-            Upload.resize(file, size.width, size.height, size.quality).then(
+            size.resizeIf = function (width, height) {
+              return Upload.attrGetter('ngfResizeIf', attr, scope,
+                {$width: width, $height: height, $file: file});
+            };
+            Upload.resize(file, size).then(
               function (f) {
                 constructDataUrl(f);
               }, function (e) {
@@ -1558,8 +1603,8 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
   }]);
 
   ngFileUpload.config(['$compileProvider', function ($compileProvider) {
-    if ($compileProvider.imgSrcSanitizationWhitelist) $compileProvider.imgSrcSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|local|file|data|blob):/);
-    if ($compileProvider.aHrefSanitizationWhitelist) $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|local|file|data|blob):/);
+    if ($compileProvider.imgSrcSanitizationWhitelist) $compileProvider.imgSrcSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|webcal|local|file|data|blob):/);
+    if ($compileProvider.aHrefSanitizationWhitelist) $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|webcal|local|file|data|blob):/);
   }]);
 
   ngFileUpload.filter('ngfDataUrl', ['UploadDataUrl', '$sce', function (UploadDataUrl, $sce) {
@@ -1651,13 +1696,15 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
     if (ngModel) {
       ngModel.$formatters.push(function (files) {
         if (ngModel.$dirty) {
+          var filesArray = files;
           if (files && !angular.isArray(files)) {
-            files = [files];
+            filesArray = [files];
           }
-          upload.validate(files, 0, ngModel, attr, scope).then(function () {
-            upload.applyModelValidation(ngModel, files);
+          upload.validate(filesArray, 0, ngModel, attr, scope).then(function () {
+            upload.applyModelValidation(ngModel, filesArray);
           });
         }
+        return files;
       });
     }
   };
@@ -1707,11 +1754,15 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
       return upload.attrGetter(name, attr, scope, params);
     };
 
+    var ignoredErrors = (upload.attrGetter('ngfIgnoreInvalid', attr, scope) || '').split(' ');
+    var runAllValidation = upload.attrGetter('ngfRunAllValidations', attr, scope);
+
     if (files == null || files.length === 0) {
-      return upload.emptyPromise(ngModel);
+      return upload.emptyPromise({'validFiles': files, 'invalidFiles': []});
     }
 
     files = files.length === undefined ? [files] : files.slice(0);
+    var invalidFiles = [];
 
     function validateSync(name, validationName, fn) {
       if (files) {
@@ -1722,11 +1773,20 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
             var val = upload.getValidationAttr(attr, scope, name, validationName, file);
             if (val != null) {
               if (!fn(file, val, i)) {
-                file.$error = name;
-                (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
-                file.$errorParam = val;
-                files.splice(i, 1);
-                valid = false;
+                if (ignoredErrors.indexOf(name) === -1) {
+                  file.$error = name;
+                  (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
+                  file.$errorParam = val;
+                  if (invalidFiles.indexOf(file) === -1) {
+                    invalidFiles.push(file);
+                  }
+                  if (!runAllValidation) {
+                    files.splice(i, 1);
+                  }
+                  valid = false;
+                } else {
+                  files.splice(i, 1);
+                }
               }
             }
           }
@@ -1737,9 +1797,6 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
       }
     }
 
-    validateSync('maxFiles', null, function (file, val, i) {
-      return prevLength + i < val;
-    });
     validateSync('pattern', null, upload.validatePattern);
     validateSync('minSize', 'size.min', function (file, val) {
       return file.size + 0.1 >= upload.translateScalars(val);
@@ -1762,44 +1819,58 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
     });
 
     if (!files.length) {
-      return upload.emptyPromise(ngModel, ngModel.$ngfValidations);
+      return upload.emptyPromise({'validFiles': [], 'invalidFiles': invalidFiles});
     }
 
     function validateAsync(name, validationName, type, asyncFn, fn) {
       function resolveResult(defer, file, val) {
-        if (val != null) {
-          asyncFn(file, val).then(function (d) {
-            if (!fn(d, val)) {
+        function resolveInternal(fn) {
+          if (fn()) {
+            if (ignoredErrors.indexOf(name) === -1) {
               file.$error = name;
               (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
               file.$errorParam = val;
-              defer.reject();
+              if (invalidFiles.indexOf(file) === -1) {
+                invalidFiles.push(file);
+              }
+              if (!runAllValidation) {
+                var i = files.indexOf(file);
+                if (i > -1) files.splice(i, 1);
+              }
+              defer.resolve(false);
             } else {
-              defer.resolve();
+              var j = files.indexOf(file);
+              if (j > -1) files.splice(j, 1);
+              defer.resolve(true);
             }
+          } else {
+            defer.resolve(true);
+          }
+        }
+
+        if (val != null) {
+          asyncFn(file, val).then(function (d) {
+            resolveInternal(function () {
+              return !fn(d, val);
+            });
           }, function () {
-            if (attrGetter('ngfValidateForce', {$file: file})) {
-              file.$error = name;
-              (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
-              file.$errorParam = val;
-              defer.reject();
-            } else {
-              defer.resolve();
-            }
+            resolveInternal(function () {
+              return attrGetter('ngfValidateForce', {$file: file});
+            });
           });
         } else {
-          defer.resolve();
+          defer.resolve(true);
         }
       }
 
-      var promises = [upload.emptyPromise()];
+      var promises = [upload.emptyPromise(true)];
       if (files) {
         files = files.length === undefined ? [files] : files;
         angular.forEach(files, function (file) {
           var defer = $q.defer();
           promises.push(defer.promise);
           if (type && (file.type == null || file.type.search(type) !== 0)) {
-            defer.resolve();
+            defer.resolve(true);
             return;
           }
           if (name === 'dimensions' && upload.attrGetter('ngfDimensions', attr) != null) {
@@ -1807,96 +1878,120 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
               resolveResult(defer, file,
                 attrGetter('ngfDimensions', {$file: file, $width: d.width, $height: d.height}));
             }, function () {
-              defer.reject();
+              defer.resolve(false);
             });
           } else if (name === 'duration' && upload.attrGetter('ngfDuration', attr) != null) {
             upload.mediaDuration(file).then(function (d) {
               resolveResult(defer, file,
                 attrGetter('ngfDuration', {$file: file, $duration: d}));
             }, function () {
-              defer.reject();
+              defer.resolve(false);
             });
           } else {
             resolveResult(defer, file,
               upload.getValidationAttr(attr, scope, name, validationName, file));
           }
         });
-        return $q.all(promises).then(function () {
-          ngModel.$ngfValidations.push({name: name, valid: true});
-        }, function () {
-          ngModel.$ngfValidations.push({name: name, valid: false});
-        });
       }
+      var deffer = $q.defer();
+      $q.all(promises).then(function (values) {
+        var isValid = true;
+        for (var i = 0; i < values.length; i++) {
+          if (!values[i]) {
+            isValid = false;
+            break;
+          }
+        }
+        ngModel.$ngfValidations.push({name: name, valid: isValid});
+        deffer.resolve(isValid);
+      });
+      return deffer.promise;
     }
 
     var deffer = $q.defer();
     var promises = [];
 
-    promises.push(upload.happyPromise(validateAsync('maxHeight', 'height.max', /image/,
+    promises.push(validateAsync('maxHeight', 'height.max', /image/,
       this.imageDimensions, function (d, val) {
         return d.height <= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('minHeight', 'height.min', /image/,
+      }));
+    promises.push(validateAsync('minHeight', 'height.min', /image/,
       this.imageDimensions, function (d, val) {
         return d.height >= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('maxWidth', 'width.max', /image/,
+      }));
+    promises.push(validateAsync('maxWidth', 'width.max', /image/,
       this.imageDimensions, function (d, val) {
         return d.width <= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('minWidth', 'width.min', /image/,
+      }));
+    promises.push(validateAsync('minWidth', 'width.min', /image/,
       this.imageDimensions, function (d, val) {
         return d.width >= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('dimensions', null, /image/,
+      }));
+    promises.push(validateAsync('dimensions', null, /image/,
       function (file, val) {
         return upload.emptyPromise(val);
       }, function (r) {
         return r;
-      })));
-    promises.push(upload.happyPromise(validateAsync('ratio', null, /image/,
+      }));
+    promises.push(validateAsync('ratio', null, /image/,
       this.imageDimensions, function (d, val) {
         var split = val.toString().split(','), valid = false;
         for (var i = 0; i < split.length; i++) {
-          if (Math.abs((d.width / d.height) - upload.ratioToFloat(split[i])) < 0.0001) {
+          if (Math.abs((d.width / d.height) - upload.ratioToFloat(split[i])) < 0.01) {
             valid = true;
           }
         }
         return valid;
-      })));
-    promises.push(upload.happyPromise(validateAsync('maxRatio', 'ratio.max', /image/,
+      }));
+    promises.push(validateAsync('maxRatio', 'ratio.max', /image/,
       this.imageDimensions, function (d, val) {
         return (d.width / d.height) - upload.ratioToFloat(val) < 0.0001;
-      })));
-    promises.push(upload.happyPromise(validateAsync('minRatio', 'ratio.min', /image/,
+      }));
+    promises.push(validateAsync('minRatio', 'ratio.min', /image/,
       this.imageDimensions, function (d, val) {
         return (d.width / d.height) - upload.ratioToFloat(val) > -0.0001;
-      })));
-    promises.push(upload.happyPromise(validateAsync('maxDuration', 'duration.max', /audio|video/,
+      }));
+    promises.push(validateAsync('maxDuration', 'duration.max', /audio|video/,
       this.mediaDuration, function (d, val) {
         return d <= upload.translateScalars(val);
-      })));
-    promises.push(upload.happyPromise(validateAsync('minDuration', 'duration.min', /audio|video/,
+      }));
+    promises.push(validateAsync('minDuration', 'duration.min', /audio|video/,
       this.mediaDuration, function (d, val) {
         return d >= upload.translateScalars(val);
-      })));
-    promises.push(upload.happyPromise(validateAsync('duration', null, /audio|video/,
+      }));
+    promises.push(validateAsync('duration', null, /audio|video/,
       function (file, val) {
         return upload.emptyPromise(val);
       }, function (r) {
         return r;
-      })));
+      }));
 
-    promises.push(upload.happyPromise(validateAsync('validateAsyncFn', null, null,
+    promises.push(validateAsync('validateAsyncFn', null, null,
       function (file, val) {
         return val;
       }, function (r) {
         return r === true || r === null || r === '';
-      })));
+      }));
 
-    return $q.all(promises).then(function () {
-      deffer.resolve(ngModel, ngModel.$ngfValidations);
+    $q.all(promises).then(function () {
+
+      if (runAllValidation) {
+        for (var i = 0; i < files.length; i++) {
+          var file = files[i];
+          if (file.$error) {
+            files.splice(i--, 1);
+          }
+        }
+      }
+
+      runAllValidation = false;
+      validateSync('maxFiles', null, function (file, val, i) {
+        return prevLength + i < val;
+      });
+
+      deffer.resolve({'validFiles': files, 'invalidFiles': invalidFiles});
     });
+    return deffer.promise;
   };
 
   upload.imageDimensions = function (file) {
@@ -1921,8 +2016,8 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
           .css('max-width', 'none !important').css('max-height', 'none !important');
 
         function success() {
-          var width = img[0].clientWidth;
-          var height = img[0].clientHeight;
+          var width = img[0].naturalWidth || img[0].clientWidth;
+          var height = img[0].naturalHeight || img[0].clientHeight;
           img.remove();
           file.$ngfWidth = width;
           file.$ngfHeight = height;
@@ -1936,23 +2031,23 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
 
         img.on('load', success);
         img.on('error', error);
-        var count = 0;
 
-        function checkLoadError() {
+        var secondsCounter = 0;
+        function checkLoadErrorInCaseOfNoCallback() {
           $timeout(function () {
             if (img[0].parentNode) {
               if (img[0].clientWidth) {
                 success();
-              } else if (count > 10) {
+              } else if (secondsCounter++ > 10) {
                 error();
               } else {
-                checkLoadError();
+                checkLoadErrorInCaseOfNoCallback();
               }
             }
           }, 1000);
         }
 
-        checkLoadError();
+        checkLoadErrorInCaseOfNoCallback();
 
         angular.element(document.getElementsByTagName('body')[0]).append(img);
       }, function () {
@@ -2063,31 +2158,35 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     var deferred = $q.defer();
     var canvasElement = document.createElement('canvas');
     var imageElement = document.createElement('img');
+    imageElement.setAttribute('style', 'visibility:hidden;position:fixed;z-index:-100000');
+    document.body.appendChild(imageElement);
 
     imageElement.onload = function () {
-      if (resizeIf != null && resizeIf(imageElement.width, imageElement.height) === false) {
+      var imgWidth = imageElement.width, imgHeight = imageElement.height;
+      imageElement.parentNode.removeChild(imageElement);
+      if (resizeIf != null && resizeIf(imgWidth, imgHeight) === false) {
         deferred.reject('resizeIf');
         return;
       }
       try {
         if (ratio) {
           var ratioFloat = upload.ratioToFloat(ratio);
-          var imgRatio = imageElement.width / imageElement.height;
+          var imgRatio = imgWidth / imgHeight;
           if (imgRatio < ratioFloat) {
-            width = imageElement.width;
+            width = imgWidth;
             height = width / ratioFloat;
           } else {
-            height = imageElement.height;
+            height = imgHeight;
             width = height * ratioFloat;
           }
         }
         if (!width) {
-          width = imageElement.width;
+          width = imgWidth;
         }
         if (!height) {
-          height = imageElement.height;
+          height = imgHeight;
         }
-        var dimensions = calculateAspectRatioFit(imageElement.width, imageElement.height, width, height, centerCrop);
+        var dimensions = calculateAspectRatioFit(imgWidth, imgHeight, width, height, centerCrop);
         canvasElement.width = Math.min(dimensions.width, width);
         canvasElement.height = Math.min(dimensions.height, height);
         var context = canvasElement.getContext('2d');
@@ -2100,6 +2199,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
       }
     };
     imageElement.onerror = function () {
+      imageElement.parentNode.removeChild(imageElement);
       deferred.reject();
     };
     imageElement.src = imagen;
@@ -2136,14 +2236,15 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     });
   }
 
-  upload.resize = function (file, width, height, quality, type, ratio, centerCrop, resizeIf, restoreExif) {
+  upload.resize = function (file, options) {
     if (file.type.indexOf('image') !== 0) return upload.emptyPromise(file);
 
     var deferred = $q.defer();
     upload.dataUrl(file, true).then(function (url) {
-      resize(url, width, height, quality, type || file.type, ratio, centerCrop, resizeIf)
+      resize(url, options.width, options.height, options.quality, options.type || file.type,
+        options.ratio, options.centerCrop, options.resizeIf)
         .then(function (dataUrl) {
-          if (file.type === 'image/jpeg' && restoreExif) {
+          if (file.type === 'image/jpeg' && options.restoreExif !== false) {
             try {
               dataUrl = upload.restoreExif(url, dataUrl);
             } catch (e) {
@@ -2172,13 +2273,13 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
 }]);
 
 (function () {
-  ngFileUpload.directive('ngfDrop', ['$parse', '$timeout', '$location', 'Upload', '$http', '$q',
-    function ($parse, $timeout, $location, Upload, $http, $q) {
+  ngFileUpload.directive('ngfDrop', ['$parse', '$timeout', '$window', 'Upload', '$http', '$q',
+    function ($parse, $timeout, $window, Upload, $http, $q) {
       return {
         restrict: 'AEC',
         require: '?ngModel',
         link: function (scope, elem, attr, ngModel) {
-          linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $location, Upload, $http, $q);
+          linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $window, Upload, $http, $q);
         }
       };
     }]);
@@ -2203,7 +2304,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     };
   }]);
 
-  function linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $location, upload, $http, $q) {
+  function linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $window, upload, $http, $q) {
     var available = dropAvailable();
 
     var attrGetter = function (name, scope, params) {
@@ -2279,23 +2380,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
       if (stopPropagation(scope)) evt.stopPropagation();
       if (actualDragOverClass) elem.removeClass(actualDragOverClass);
       actualDragOverClass = null;
-      var items = evt.dataTransfer.items;
-      var html;
-      try {
-        html = evt.dataTransfer && evt.dataTransfer.getData && evt.dataTransfer.getData('text/html');
-      } catch (e) {/* Fix IE11 that throw error calling getData */
-      }
-
-      extractFiles(items, evt.dataTransfer.files, attrGetter('ngfAllowDir', scope) !== false,
-        attrGetter('multiple') || attrGetter('ngfMultiple', scope)).then(function (files) {
-        if (files.length) {
-          updateModel(files, evt);
-        } else {
-          extractFilesFromHtml('dropUrl', html).then(function (files) {
-            updateModel(files, evt);
-          });
-        }
-      });
+      extractFilesAndUpdateModel(evt.dataTransfer, evt, 'dropUrl');
     }, false);
     elem[0].addEventListener('paste', function (evt) {
       if (navigator.userAgent.toLowerCase().indexOf('firefox') > -1 &&
@@ -2303,22 +2388,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
         evt.preventDefault();
       }
       if (isDisabled() || !upload.shouldUpdateOn('paste', attr, scope)) return;
-      var files = [];
-      var clipboard = evt.clipboardData || evt.originalEvent.clipboardData;
-      if (clipboard && clipboard.items) {
-        for (var k = 0; k < clipboard.items.length; k++) {
-          if (clipboard.items[k].type.indexOf('image') !== -1) {
-            files.push(clipboard.items[k].getAsFile());
-          }
-        }
-      }
-      if (files.length) {
-        updateModel(files, evt);
-      } else {
-        extractFilesFromHtml('pasteUrl', clipboard).then(function (files) {
-          updateModel(files, evt);
-        });
-      }
+      extractFilesAndUpdateModel(evt.clipboardData || evt.originalEvent.clipboardData, evt, 'pasteUrl');
     }, false);
 
     if (navigator.userAgent.toLowerCase().indexOf('firefox') > -1 &&
@@ -2331,12 +2401,33 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
       });
     }
 
+    function extractFilesAndUpdateModel(source, evt, updateOnType) {
+      if (!source) return;
+      // html needs to be calculated on the same process otherwise the data will be wiped
+      // after promise resolve or setTimeout.
+      var html;
+      try {
+        html = source && source.getData && source.getData('text/html');
+      } catch (e) {/* Fix IE11 that throw error calling getData */
+      }
+      extractFiles(source.items, source.files, attrGetter('ngfAllowDir', scope) !== false,
+        attrGetter('multiple') || attrGetter('ngfMultiple', scope)).then(function (files) {
+        if (files.length) {
+          updateModel(files, evt);
+        } else {
+          extractFilesFromHtml(updateOnType, html).then(function (files) {
+            updateModel(files, evt);
+          });
+        }
+      });
+    }
+
     function updateModel(files, evt) {
       upload.updateModel(ngModel, attr, scope, attrGetter('ngfChange') || attrGetter('ngfDrop'), files, evt);
     }
 
     function extractFilesFromHtml(updateOn, html) {
-      if (!upload.shouldUpdateOn(updateOn, attr, scope) || !html) return upload.rejectPromise([]);
+      if (!upload.shouldUpdateOn(updateOn, attr, scope) || typeof html !== 'string') return upload.rejectPromise([]);
       var urls = [];
       html.replace(/<(img src|img [^>]* src) *=\"([^\"]*)\"/gi, function (m, n, src) {
         urls.push(src);
@@ -2387,8 +2478,14 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     }
 
     function extractFiles(items, fileList, allowDir, multiple) {
-      var maxFiles = upload.getValidationAttr(attr, scope, 'maxFiles') || Number.MAX_VALUE;
-      var maxTotalSize = upload.getValidationAttr(attr, scope, 'maxTotalSize') || Number.MAX_VALUE;
+      var maxFiles = upload.getValidationAttr(attr, scope, 'maxFiles');
+      if (maxFiles == null) {
+        maxFiles = Number.MAX_VALUE;
+      }
+      var maxTotalSize = upload.getValidationAttr(attr, scope, 'maxTotalSize');
+      if (maxTotalSize == null) {
+        maxTotalSize = Number.MAX_VALUE;
+      }
       var includeDir = attrGetter('ngfIncludeDir', scope);
       var files = [], totalSize = 0;
 
@@ -2399,7 +2496,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
             var promises = [upload.emptyPromise()];
             if (includeDir) {
               var file = {type: 'directory'};
-              file.name = file.path = (path || '') + entry.name + entry.name;
+              file.name = file.path = (path || '') + entry.name;
               files.push(file);
             }
             var dirReader = entry.createReader();
@@ -2453,7 +2550,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
 
       var promises = [upload.emptyPromise()];
 
-      if (items && items.length > 0 && $location.protocol() !== 'file') {
+      if (items && items.length > 0 && $window.location.protocol !== 'file:') {
         for (var i = 0; i < items.length; i++) {
           if (items[i].webkitGetAsEntry && items[i].webkitGetAsEntry() && items[i].webkitGetAsEntry().isDirectory) {
             var entry = items[i].webkitGetAsEntry();
diff --git a/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.min.js b/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.min.js
index f8c5ce8..4362546 100644
--- a/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.min.js
+++ b/xstatic/pkg/angular_fileupload/data/ng-file-upload-all.min.js
@@ -1,4 +1,3 @@
-/*! 12.0.4 */
-!function(){function a(a,b){window.XMLHttpRequest.prototype[a]=b(window.XMLHttpRequest.prototype[a])}function b(a,b,c){try{Object.defineProperty(a,b,{get:c})}catch(d){}}if(window.FileAPI||(window.FileAPI={}),!window.XMLHttpRequest)throw"AJAX is not supported. XMLHttpRequest is not defined.";if(FileAPI.shouldLoad=!window.FormData||FileAPI.forceLoad,FileAPI.shouldLoad){var c=function(a){if(!a.__listeners){a.upload||(a.upload={}),a.__listeners=[];var b=a.upload.addEventListener;a.upload.addEventListener=function(c,d){a.__listeners[c]=d,b&&b.apply(this,arguments)}}};a("open",function(a){return function(b,d,e){c(this),this.__url=d;try{a.apply(this,[b,d,e])}catch(f){f.message.indexOf("Access is denied")>-1&&(this.__origError=f,a.apply(this,[b,"_fix_for_ie_crossdomain__",e]))}}}),a("getResponseHeader",function(a){return function(b){return this.__fileApiXHR&&this.__fileApiXHR.getResponseHeader?this.__fileApiXHR.getResponseHeader(b):null==a?null:a.apply(this,[b])}}),a("getAllResponseHeaders",function(a){return function(){return this.__fileApiXHR&&this.__fileApiXHR.getAllResponseHeaders?this.__fileApiXHR.getAllResponseHeaders():null==a?null:a.apply(this)}}),a("abort",function(a){return function(){return this.__fileApiXHR&&this.__fileApiXHR.abort?this.__fileApiXHR.abort():null==a?null:a.apply(this)}}),a("setRequestHeader",function(a){return function(b,d){if("__setXHR_"===b){c(this);var e=d(this);e instanceof Function&&e(this)}else this.__requestHeaders=this.__requestHeaders||{},this.__requestHeaders[b]=d,a.apply(this,arguments)}}),a("send",function(a){return function(){var c=this;if(arguments[0]&&arguments[0].__isFileAPIShim){var d=arguments[0],e={url:c.__url,jsonp:!1,cache:!0,complete:function(a,d){a&&angular.isString(a)&&-1!==a.indexOf("#2174")&&(a=null),c.__completed=!0,!a&&c.__listeners.load&&c.__listeners.load({type:"load",loaded:c.__loaded,total:c.__total,target:c,lengthComputable:!0}),!a&&c.__listeners.loadend&&c.__listeners.loadend({type:"loadend",loaded:c.__loaded,total:c.__total,target:c,lengthComputable:!0}),"abort"===a&&c.__listeners.abort&&c.__listeners.abort({type:"abort",loaded:c.__loaded,total:c.__total,target:c,lengthComputable:!0}),void 0!==d.status&&b(c,"status",function(){return 0===d.status&&a&&"abort"!==a?500:d.status}),void 0!==d.statusText&&b(c,"statusText",function(){return d.statusText}),b(c,"readyState",function(){return 4}),void 0!==d.response&&b(c,"response",function(){return d.response});var e=d.responseText||(a&&0===d.status&&"abort"!==a?a:void 0);b(c,"responseText",function(){return e}),b(c,"response",function(){return e}),a&&b(c,"err",function(){return a}),c.__fileApiXHR=d,c.onreadystatechange&&c.onreadystatechange(),c.onload&&c.onload()},progress:function(a){if(a.target=c,c.__listeners.progress&&c.__listeners.progress(a),c.__total=a.total,c.__loaded=a.loaded,a.total===a.loaded){var b=this;setTimeout(function(){c.__completed||(c.getAllResponseHeaders=function(){},b.complete(null,{status:204,statusText:"No Content"}))},FileAPI.noContentTimeout||1e4)}},headers:c.__requestHeaders};e.data={},e.files={};for(var f=0;f<d.data.length;f++){var g=d.data[f];null!=g.val&&null!=g.val.name&&null!=g.val.size&&null!=g.val.type?e.files[g.key]=g.val:e.data[g.key]=g.val}setTimeout(function(){if(!FileAPI.hasFlash)throw'Adode Flash Player need to be installed. 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t=function(a,b){return j.attrGetter(a,c,b)};j.registerModelChangeValidator(d,c,a);var u=[];u.push(a.$watch(t("ngfMultiple"),function(){w.attr("multiple",t("ngfMultiple",a))})),u.push(a.$watch(t("ngfCapture"),function(){w.attr("capture",t("ngfCapture",a))})),u.push(a.$watch(t("ngfAccept"),function(){w.attr("accept",t("ngfAccept",a))})),c.$observe("accept",function(){w.attr("accept",t("accept"))}),u.push(function(){c.$$observers&&delete c.$$observers.accept});var v=0,w=b;k()||(w=o()),w.bind("change",m),k()?b.bind("click",r):b.bind("click touchstart touchend",p),-1!==navigator.appVersion.indexOf("MSIE 10")&&w.bind("click",s),d&&d.$formatters.push(function(a){return(null==a||0===a.length)&&w.val()&&w.val(null),a}),a.$on("$destroy",function(){k()||w.parent().remove(),angular.forEach(u,function(a){a()})}),h(function(){for(var a=0;a<g.length;a++){var 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b=h[0].clientWidth,c=h[0].clientHeight;h.remove(),a.$ngfWidth=b,a.$ngfHeight=c,e.resolve({width:b,height:c})}function f(){h.remove(),e.reject("load error")}function g(){c(function(){h[0].parentNode&&(h[0].clientWidth?d():i>10?f():g())},1e3)}var h=angular.element("<img>").attr("src",b).css("visibility","hidden").css("position","fixed").css("max-width","none !important").css("max-height","none !important");h.on("load",d),h.on("error",f);var i=0;g(),angular.element(document.getElementsByTagName("body")[0]).append(h)},function(){e.reject("load error")})}),a.$ngfDimensionPromise=e.promise,a.$ngfDimensionPromise["finally"](function(){delete a.$ngfDimensionPromise}),a.$ngfDimensionPromise},f.mediaDuration=function(a){if(a.$ngfDuration){var d=b.defer();return c(function(){d.resolve(a.$ngfDuration)}),d.promise}if(a.$ngfDurationPromise)return a.$ngfDurationPromise;var e=b.defer();return c(function(){return 0!==a.type.indexOf("audio")&&0!==a.type.indexOf("video")?void e.reject("not media"):void 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this.$ngfName},set:function(a){this.$ngfName=a},configurable:!0}),c.resize=function(a,d,f,g,h,i,j,k,l){if(0!==a.type.indexOf("image"))return c.emptyPromise(a);var m=b.defer();return c.dataUrl(a,!0).then(function(b){e(b,d,f,g,h||a.type,i,j,k).then(function(d){if("image/jpeg"===a.type&&l)try{d=c.restoreExif(b,d)}catch(e){setTimeout(function(){throw e},1)}try{var f=c.dataUrltoBlob(d,a.name,a.size);m.resolve(f)}catch(e){m.reject(e)}},function(b){"resizeIf"===b&&m.resolve(a),m.reject(b)})},function(a){m.reject(a)}),m.promise},c}]),function(){function a(a,c,d,e,f,g,h,i,j,k){function l(){return c.attr("disabled")||r("ngfDropDisabled",a)}function m(b,c){i.updateModel(e,d,a,r("ngfChange")||r("ngfDrop"),b,c)}function n(b,c){if(!i.shouldUpdateOn(b,d,a)||!c)return i.rejectPromise([]);var e=[];c.replace(/<(img src|img [^>]* src) *=\"([^\"]*)\"/gi,function(a,b,c){e.push(c)});var f=[],g=[];if(e.length){angular.forEach(e,function(a){f.push(i.urlToBlob(a).then(function(a){g.push(a)}))});var 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l=getComputedStyle(e[0]);l.width&&l.width.indexOf("px")>-1&&l.height&&l.height.indexOf("px")>-1&&(k={width:parseInt(l.width.slice(0,-2)),height:parseInt(l.height.slice(0,-2))})}return angular.isString(c)?(e.removeClass("ng-hide"),i?e.css("background-image","url('"+c+"')"):e.attr("src",c)):void(!c||!c.type||0!==c.type.search(a(e[0]))||i&&0!==c.type.indexOf("image")?e.addClass("ng-hide"):k&&b.isResizeSupported()?(k.resizeIf=function(a,e){return b.attrGetter("ngfResizeIf",f,d,{$width:a,$height:e,$file:c})},b.resize(c,k).then(function(a){j(a)},function(a){throw a})):j(c))});d.$on("$destroy",function(){c()})})}ngFileUpload.service("UploadDataUrl",["UploadBase","$timeout","$q",function(a,b,c){var d=a;return d.base64DataUrl=function(a){if(angular.isArray(a)){var b=c.defer(),e=0;return angular.forEach(a,function(c){d.dataUrl(c,!0)["finally"](function(){if(e++,e===a.length){var c=[];angular.forEach(a,function(a){c.push(a.$ngfDataUrl)}),b.resolve(c,a)}})}),b.promise}return 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a.transform(0,-1,1,0,0,c)}}function d(a){for(var b="",c=new Uint8Array(a),d=c.byteLength,e=0;d>e;e++)b+=String.fromCharCode(c[e]);return window.btoa(b)}var e=a;return e.isExifSupported=function(){return window.FileReader&&(new FileReader).readAsArrayBuffer&&e.isResizeSupported()},e.readOrientation=function(a){var c=b.defer(),d=new FileReader,e=a.slice?a.slice(0,65536):a;return d.readAsArrayBuffer(e),d.onerror=function(a){return c.reject(a)},d.onload=function(a){var b={orientation:1},d=new DataView(this.result);if(65496!==d.getUint16(0,!1))return c.resolve(b);for(var e=d.byteLength,f=2;e>f;){var g=d.getUint16(f,!1);if(f+=2,65505===g){if(1165519206!==d.getUint32(f+=2,!1))return c.resolve(b);var h=18761===d.getUint16(f+=6,!1);f+=d.getUint32(f+4,h);var i=d.getUint16(f,h);f+=2;for(var j=0;i>j;j++)if(274===d.getUint16(f+12*j,h)){var k=d.getUint16(f+12*j+8,h);return k>=2&&8>=k&&(d.setUint16(f+12*j+8,1,h),b.fixedArrayBuffer=a.target.result),b.orientation=k,c.resolve(b)}}else{if(65280!==(65280&g))break;f+=d.getUint16(f,!1)}}return c.resolve(b)},c.promise},e.applyExifRotation=function(a){if(0!==a.type.indexOf("image/jpeg"))return e.emptyPromise(a);var f=b.defer();return e.readOrientation(a).then(function(b){return b.orientation<2||b.orientation>8?f.resolve(a):void e.dataUrl(a,!0).then(function(g){var h=document.createElement("canvas"),i=document.createElement("img");i.onload=function(){try{h.width=b.orientation>4?i.height:i.width,h.height=b.orientation>4?i.width:i.height;var g=h.getContext("2d");c(g,b.orientation,i.width,i.height),g.drawImage(i,0,0);var j=h.toDataURL(a.type||"image/WebP",.934);j=e.restoreExif(d(b.fixedArrayBuffer),j);var k=e.dataUrltoBlob(j,a.name);f.resolve(k)}catch(l){return f.reject(l)}},i.onerror=function(){f.reject()},i.src=g},function(a){f.reject(a)})},function(a){f.reject(a)}),f.promise},e.restoreExif=function(a,b){var c={};return c.KEY_STR="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",c.encode64=function(a){var b,c,d,e,f,g="",h="",i="",j=0;do b=a[j++],c=a[j++],h=a[j++],d=b>>2,e=(3&b)<<4|c>>4,f=(15&c)<<2|h>>6,i=63&h,isNaN(c)?f=i=64:isNaN(h)&&(i=64),g=g+this.KEY_STR.charAt(d)+this.KEY_STR.charAt(e)+this.KEY_STR.charAt(f)+this.KEY_STR.charAt(i),b=c=h="",d=e=f=i="";while(j<a.length);return g},c.restore=function(a,b){a.match("data:image/jpeg;base64,")&&(a=a.replace("data:image/jpeg;base64,",""));var c=this.decode64(a),d=this.slice2Segments(c),e=this.exifManipulation(b,d);return"data:image/jpeg;base64,"+this.encode64(e)},c.exifManipulation=function(a,b){var c=this.getExifArray(b),d=this.insertExif(a,c);return new Uint8Array(d)},c.getExifArray=function(a){for(var b,c=0;c<a.length;c++)if(b=a[c],255===b[0]&225===b[1])return b;return[]},c.insertExif=function(a,b){var c=a.replace("data:image/jpeg;base64,",""),d=this.decode64(c),e=d.indexOf(255,3),f=d.slice(0,e),g=d.slice(e),h=f;return h=h.concat(b),h=h.concat(g)},c.slice2Segments=function(a){for(var b=0,c=[];;){if(255===a[b]&218===a[b+1])break;if(255===a[b]&216===a[b+1])b+=2;else{var d=256*a[b+2]+a[b+3],e=b+d+2,f=a.slice(b,e);c.push(f),b=e}if(b>a.length)break}return c},c.decode64=function(a){var b,c,d,e,f,g="",h="",i=0,j=[],k=/[^A-Za-z0-9\+\/\=]/g;k.exec(a)&&console.log("There were invalid base64 characters in the input text.\nValid base64 characters are A-Z, a-z, 0-9, NaNExpect errors in decoding."),a=a.replace(/[^A-Za-z0-9\+\/\=]/g,"");do d=this.KEY_STR.indexOf(a.charAt(i++)),e=this.KEY_STR.indexOf(a.charAt(i++)),f=this.KEY_STR.indexOf(a.charAt(i++)),h=this.KEY_STR.indexOf(a.charAt(i++)),b=d<<2|e>>4,c=(15&e)<<4|f>>2,g=(3&f)<<6|h,j.push(b),64!==f&&j.push(c),64!==h&&j.push(g),b=c=g="",d=e=f=h="";while(i<a.length);return j},c.restore(a,b)},e}]);
 \ No newline at end of file
diff --git a/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.js b/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.js
index b6192af..f1d033a 100644
--- a/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.js
+++ b/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.js
@@ -1,9 +1,9 @@
 /**!
- * AngularJS file upload directives and services. Supoorts: file upload/drop/paste, resume, cancel/abort,
+ * AngularJS file upload directives and services. Supports: file upload/drop/paste, resume, cancel/abort,
  * progress, resize, thumbnail, preview, validation and CORS
  * FileAPI Flash shim for old browsers not supporting FormData
  * @author  Danial  <[e-mail]>
- * @version 12.0.4
+ * @version 12.2.13
  */
 
 (function () {
diff --git a/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.min.js b/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.min.js
index b87b39d..9928c83 100644
--- a/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.min.js
+++ b/xstatic/pkg/angular_fileupload/data/ng-file-upload-shim.min.js
@@ -1,2 +1,2 @@
-/*! 12.0.4 */
+/*! 12.2.13 */
 !function(){function a(a,b){window.XMLHttpRequest.prototype[a]=b(window.XMLHttpRequest.prototype[a])}function b(a,b,c){try{Object.defineProperty(a,b,{get:c})}catch(d){}}if(window.FileAPI||(window.FileAPI={}),!window.XMLHttpRequest)throw"AJAX is not supported. XMLHttpRequest is not defined.";if(FileAPI.shouldLoad=!window.FormData||FileAPI.forceLoad,FileAPI.shouldLoad){var c=function(a){if(!a.__listeners){a.upload||(a.upload={}),a.__listeners=[];var b=a.upload.addEventListener;a.upload.addEventListener=function(c,d){a.__listeners[c]=d,b&&b.apply(this,arguments)}}};a("open",function(a){return function(b,d,e){c(this),this.__url=d;try{a.apply(this,[b,d,e])}catch(f){f.message.indexOf("Access is denied")>-1&&(this.__origError=f,a.apply(this,[b,"_fix_for_ie_crossdomain__",e]))}}}),a("getResponseHeader",function(a){return function(b){return this.__fileApiXHR&&this.__fileApiXHR.getResponseHeader?this.__fileApiXHR.getResponseHeader(b):null==a?null:a.apply(this,[b])}}),a("getAllResponseHeaders",function(a){return function(){return this.__fileApiXHR&&this.__fileApiXHR.getAllResponseHeaders?this.__fileApiXHR.getAllResponseHeaders():null==a?null:a.apply(this)}}),a("abort",function(a){return function(){return this.__fileApiXHR&&this.__fileApiXHR.abort?this.__fileApiXHR.abort():null==a?null:a.apply(this)}}),a("setRequestHeader",function(a){return function(b,d){if("__setXHR_"===b){c(this);var e=d(this);e instanceof Function&&e(this)}else this.__requestHeaders=this.__requestHeaders||{},this.__requestHeaders[b]=d,a.apply(this,arguments)}}),a("send",function(a){return function(){var c=this;if(arguments[0]&&arguments[0].__isFileAPIShim){var d=arguments[0],e={url:c.__url,jsonp:!1,cache:!0,complete:function(a,d){a&&angular.isString(a)&&-1!==a.indexOf("#2174")&&(a=null),c.__completed=!0,!a&&c.__listeners.load&&c.__listeners.load({type:"load",loaded:c.__loaded,total:c.__total,target:c,lengthComputable:!0}),!a&&c.__listeners.loadend&&c.__listeners.loadend({type:"loadend",loaded:c.__loaded,total:c.__total,target:c,lengthComputable:!0}),"abort"===a&&c.__listeners.abort&&c.__listeners.abort({type:"abort",loaded:c.__loaded,total:c.__total,target:c,lengthComputable:!0}),void 0!==d.status&&b(c,"status",function(){return 0===d.status&&a&&"abort"!==a?500:d.status}),void 0!==d.statusText&&b(c,"statusText",function(){return d.statusText}),b(c,"readyState",function(){return 4}),void 0!==d.response&&b(c,"response",function(){return d.response});var e=d.responseText||(a&&0===d.status&&"abort"!==a?a:void 0);b(c,"responseText",function(){return e}),b(c,"response",function(){return e}),a&&b(c,"err",function(){return a}),c.__fileApiXHR=d,c.onreadystatechange&&c.onreadystatechange(),c.onload&&c.onload()},progress:function(a){if(a.target=c,c.__listeners.progress&&c.__listeners.progress(a),c.__total=a.total,c.__loaded=a.loaded,a.total===a.loaded){var b=this;setTimeout(function(){c.__completed||(c.getAllResponseHeaders=function(){},b.complete(null,{status:204,statusText:"No Content"}))},FileAPI.noContentTimeout||1e4)}},headers:c.__requestHeaders};e.data={},e.files={};for(var f=0;f<d.data.length;f++){var g=d.data[f];null!=g.val&&null!=g.val.name&&null!=g.val.size&&null!=g.val.type?e.files[g.key]=g.val:e.data[g.key]=g.val}setTimeout(function(){if(!FileAPI.hasFlash)throw'Adode Flash Player need to be installed. To check ahead use "FileAPI.hasFlash"';c.__fileApiXHR=FileAPI.upload(e)},1)}else{if(this.__origError)throw this.__origError;a.apply(c,arguments)}}}),window.XMLHttpRequest.__isFileAPIShim=!0,window.FormData=FormData=function(){return{append:function(a,b,c){b.__isFileAPIBlobShim&&(b=b.data[0]),this.data.push({key:a,val:b,name:c})},data:[],__isFileAPIShim:!0}},window.Blob=Blob=function(a){return{data:a,__isFileAPIBlobShim:!0}}}}(),function(){function a(a){return"input"===a[0].tagName.toLowerCase()&&a.attr("type")&&"file"===a.attr("type").toLowerCase()}function b(){try{var a=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");if(a)return!0}catch(b){if(void 0!==navigator.mimeTypes["application/x-shockwave-flash"])return!0}return!1}function c(a){var b=0,c=0;if(window.jQuery)return jQuery(a).offset();if(a.offsetParent)do b+=a.offsetLeft-a.scrollLeft,c+=a.offsetTop-a.scrollTop,a=a.offsetParent;while(a);return{left:b,top:c}}if(FileAPI.shouldLoad){if(FileAPI.hasFlash=b(),FileAPI.forceLoad&&(FileAPI.html5=!1),!FileAPI.upload){var d,e,f,g,h,i=document.createElement("script"),j=document.getElementsByTagName("script");if(window.FileAPI.jsUrl)d=window.FileAPI.jsUrl;else if(window.FileAPI.jsPath)e=window.FileAPI.jsPath;else for(f=0;f<j.length;f++)if(h=j[f].src,g=h.search(/\/ng\-file\-upload[\-a-zA-z0-9\.]*\.js/),g>-1){e=h.substring(0,g+1);break}null==FileAPI.staticPath&&(FileAPI.staticPath=e),i.setAttribute("src",d||e+"FileAPI.min.js"),document.getElementsByTagName("head")[0].appendChild(i)}FileAPI.ngfFixIE=function(d,e,f){if(!b())throw'Adode Flash Player need to be installed. To check ahead use "FileAPI.hasFlash"';var g=function(){var b=e.parent();d.attr("disabled")?b&&b.removeClass("js-fileapi-wrapper"):(e.attr("__ngf_flash_")||(e.unbind("change"),e.unbind("click"),e.bind("change",function(a){h.apply(this,[a]),f.apply(this,[a])}),e.attr("__ngf_flash_","true")),b.addClass("js-fileapi-wrapper"),a(d)||(b.css("position","absolute").css("top",c(d[0]).top+"px").css("left",c(d[0]).left+"px").css("width",d[0].offsetWidth+"px").css("height",d[0].offsetHeight+"px").css("filter","alpha(opacity=0)").css("display",d.css("display")).css("overflow","hidden").css("z-index","900000").css("visibility","visible"),e.css("width",d[0].offsetWidth+"px").css("height",d[0].offsetHeight+"px").css("position","absolute").css("top","0px").css("left","0px")))};d.bind("mouseenter",g);var h=function(a){for(var b=FileAPI.getFiles(a),c=0;c<b.length;c++)void 0===b[c].size&&(b[c].size=0),void 0===b[c].name&&(b[c].name="file"),void 0===b[c].type&&(b[c].type="undefined");a.target||(a.target={}),a.target.files=b,a.target.files!==b&&(a.__files_=b),(a.__files_||a.target.files).item=function(b){return(a.__files_||a.target.files)[b]||null}}},FileAPI.disableFileInput=function(a,b){b?a.removeClass("js-fileapi-wrapper"):a.addClass("js-fileapi-wrapper")}}}(),window.FileReader||(window.FileReader=function(){var a=this,b=!1;this.listeners={},this.addEventListener=function(b,c){a.listeners[b]=a.listeners[b]||[],a.listeners[b].push(c)},this.removeEventListener=function(b,c){a.listeners[b]&&a.listeners[b].splice(a.listeners[b].indexOf(c),1)},this.dispatchEvent=function(b){var c=a.listeners[b.type];if(c)for(var d=0;d<c.length;d++)c[d].call(a,b)},this.onabort=this.onerror=this.onload=this.onloadstart=this.onloadend=this.onprogress=null;var c=function(b,c){var d={type:b,target:a,loaded:c.loaded,total:c.total,error:c.error};return null!=c.result&&(d.target.result=c.result),d},d=function(d){b||(b=!0,a.onloadstart&&a.onloadstart(c("loadstart",d)));var e;"load"===d.type?(a.onloadend&&a.onloadend(c("loadend",d)),e=c("load",d),a.onload&&a.onload(e),a.dispatchEvent(e)):"progress"===d.type?(e=c("progress",d),a.onprogress&&a.onprogress(e),a.dispatchEvent(e)):(e=c("error",d),a.onerror&&a.onerror(e),a.dispatchEvent(e))};this.readAsDataURL=function(a){FileAPI.readAsDataURL(a,d)},this.readAsText=function(a){FileAPI.readAsText(a,d)}});
 \ No newline at end of file
diff --git a/xstatic/pkg/angular_fileupload/data/ng-file-upload.js b/xstatic/pkg/angular_fileupload/data/ng-file-upload.js
index 6b5547a..c6a9c43 100644
--- a/xstatic/pkg/angular_fileupload/data/ng-file-upload.js
+++ b/xstatic/pkg/angular_fileupload/data/ng-file-upload.js
@@ -2,7 +2,7 @@
  * AngularJS file upload directives and services. Supoorts: file upload/drop/paste, resume, cancel/abort,
  * progress, resize, thumbnail, preview, validation and CORS
  * @author  Danial  <[e-mail]>
- * @version 12.0.4
+ * @version 12.2.13
  */
 
 if (window.XMLHttpRequest && !(window.FileAPI && FileAPI.shouldLoad)) {
@@ -23,7 +23,7 @@ if (window.XMLHttpRequest && !(window.FileAPI && FileAPI.shouldLoad)) {
 
 var ngFileUpload = angular.module('ngFileUpload', []);
 
-ngFileUpload.version = '12.0.4';
+ngFileUpload.version = '12.2.13';
 
 ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, $q, $timeout) {
   var upload = this;
@@ -90,10 +90,12 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
     function uploadWithAngular() {
       $http(config).then(function (r) {
           if (resumeSupported && config._chunkSize && !config._finished && config._file) {
+            var fileSize = config._file && config._file.size || 0;
             notifyProgress({
-                loaded: config._end,
-                total: config._file && config._file.size,
-                config: config, type: 'progress'
+                loaded: Math.min(config._end, fileSize),
+                total: fileSize,
+                config: config,
+                type: 'progress'
               }
             );
             upload.upload(config, true);
@@ -132,6 +134,9 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
     } else if (config.resumeSize) {
       config.resumeSize().then(function (size) {
         config._start = size;
+        if (config._chunkSize) {
+          config._end = config._start + config._chunkSize;
+        }
         uploadWithAngular();
       }, function (e) {
         throw e;
@@ -185,9 +190,11 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
     };
 
     upload.promisesCount++;
-    promise['finally'](function () {
-      upload.promisesCount--;
-    });
+    if (promise['finally'] && promise['finally'] instanceof Function) {
+      promise['finally'](function () {
+        upload.promisesCount--;
+      });
+    }
     return promise;
   }
 
@@ -371,9 +378,11 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, 
       var arrayBufferView = new Uint8Array(resp.data);
       var type = resp.headers('content-type') || 'image/WebP';
       var blob = new window.Blob([arrayBufferView], {type: type});
+      var matches = url.match(/.*\/(.+?)(\?.*)?$/);
+      if (matches.length > 1) {
+        blob.name = matches[1];
+      }
       defer.resolve(blob);
-      //var split = type.split('[/;]');
-      //blob.name = url.substring(0, 150).replace(/\W+/g, '') + '.' + (split.length > 1 ? split[1] : 'jpg');
     }, function (e) {
       defer.reject(e);
     });
@@ -421,7 +430,7 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
   };
 
   upload.shouldUpdateOn = function (type, attr, scope) {
-    var modelOptions = upload.attrGetter('ngModelOptions', attr, scope);
+    var modelOptions = upload.attrGetter('ngfModelOptions', attr, scope);
     if (modelOptions && modelOptions.updateOn) {
       return modelOptions.updateOn.split(' ').indexOf(type) > -1;
     }
@@ -471,13 +480,13 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
     return $q.all(promises);
   }
 
-  function resize(files, attr, scope) {
+  function resizeFile(files, attr, scope, ngModel) {
     var resizeVal = upload.attrGetter('ngfResize', attr, scope);
     if (!resizeVal || !upload.isResizeSupported() || !files.length) return upload.emptyPromise();
     if (resizeVal instanceof Function) {
       var defer = $q.defer();
-      resizeVal(files).then(function (p) {
-        resizeWithParams(p, files, attr, scope).then(function (r) {
+      return resizeVal(files).then(function (p) {
+        resizeWithParams(p, files, attr, scope, ngModel).then(function (r) {
           defer.resolve(r);
         }, function (e) {
           defer.reject(e);
@@ -486,27 +495,30 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
         defer.reject(e);
       });
     } else {
-      return resizeWithParams(resizeVal, files, attr, scope);
+      return resizeWithParams(resizeVal, files, attr, scope, ngModel);
     }
   }
 
-  function resizeWithParams(param, files, attr, scope) {
+  function resizeWithParams(params, files, attr, scope, ngModel) {
     var promises = [upload.emptyPromise()];
 
     function handleFile(f, i) {
       if (f.type.indexOf('image') === 0) {
-        if (param.pattern && !upload.validatePattern(f, param.pattern)) return;
-        var promise = upload.resize(f, param.width, param.height, param.quality,
-          param.type, param.ratio, param.centerCrop, function (width, height) {
-            return upload.attrGetter('ngfResizeIf', attr, scope,
-              {$width: width, $height: height, $file: f});
-          }, param.restoreExif !== false);
+        if (params.pattern && !upload.validatePattern(f, params.pattern)) return;
+        params.resizeIf = function (width, height) {
+          return upload.attrGetter('ngfResizeIf', attr, scope,
+            {$width: width, $height: height, $file: f});
+        };
+        var promise = upload.resize(f, params);
         promises.push(promise);
         promise.then(function (resizedFile) {
           files.splice(i, 1, resizedFile);
         }, function (e) {
           f.$error = 'resize';
+          (f.$errorMessages = (f.$errorMessages || {})).resize = true;
           f.$errorParam = (e ? (e.message ? e.message : e) + ': ' : '') + (f && f.name);
+          ngModel.$ngfValidations.push({name: 'resize', valid: false});
+          upload.applyModelValidation(ngModel, files);
         });
       }
     }
@@ -593,18 +605,6 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
       return angular.isArray(v) ? v : [v];
     }
 
-    function separateInvalids() {
-      valids = [];
-      invalids = [];
-      angular.forEach(allNewFiles, function (file) {
-        if (file.$error) {
-          invalids.push(file);
-        } else {
-          valids.push(file);
-        }
-      });
-    }
-
     function resizeAndUpdate() {
       function updateModel() {
         $timeout(function () {
@@ -614,17 +614,30 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
         }, options && options.debounce ? options.debounce.change || options.debounce : 0);
       }
 
-      resize(validateAfterResize ? allNewFiles : valids, attr, scope).then(function () {
+      var resizingFiles = validateAfterResize ? allNewFiles : valids;
+      resizeFile(resizingFiles, attr, scope, ngModel).then(function () {
         if (validateAfterResize) {
-          upload.validate(allNewFiles, prevValidFiles.length, ngModel, attr, scope).then(function () {
-            separateInvalids();
-            updateModel();
-          });
+          upload.validate(allNewFiles, keep ? prevValidFiles.length : 0, ngModel, attr, scope)
+            .then(function (validationResult) {
+              valids = validationResult.validsFiles;
+              invalids = validationResult.invalidsFiles;
+              updateModel();
+            });
         } else {
           updateModel();
         }
-      }, function (e) {
-        throw 'Could not resize files ' + e;
+      }, function () {
+        for (var i = 0; i < resizingFiles.length; i++) {
+          var f = resizingFiles[i];
+          if (f.$error === 'resize') {
+            var index = valids.indexOf(f);
+            if (index > -1) {
+              valids.splice(index, 1);
+              invalids.push(f);
+            }
+            updateModel();
+          }
+        }
       });
     }
 
@@ -654,13 +667,15 @@ ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadE
 
     var validateAfterResize = upload.attrGetter('ngfValidateAfterResize', attr, scope);
 
-    var options = upload.attrGetter('ngModelOptions', attr, scope);
-    upload.validate(allNewFiles, prevValidFiles.length, ngModel, attr, scope).then(function () {
+    var options = upload.attrGetter('ngfModelOptions', attr, scope);
+    upload.validate(allNewFiles, keep ? prevValidFiles.length : 0, ngModel, attr, scope)
+      .then(function (validationResult) {
       if (noDelay) {
         update(allNewFiles, [], files, dupFiles, isSingleModel);
       } else {
         if ((!options || !options.allowInvalid) && !validateAfterResize) {
-          separateInvalids();
+          valids = validationResult.validFiles;
+          invalids = validationResult.invalidFiles;
         } else {
           valids = allNewFiles;
         }
@@ -697,7 +712,7 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
     /** @namespace attr.ngfSelect */
     /** @namespace attr.ngfChange */
     /** @namespace attr.ngModel */
-    /** @namespace attr.ngModelOptions */
+    /** @namespace attr.ngfModelOptions */
     /** @namespace attr.ngfMultiple */
     /** @namespace attr.ngfCapture */
     /** @namespace attr.ngfValidate */
@@ -717,6 +732,8 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
     function changeFn(evt) {
       if (upload.shouldUpdateOn('change', attr, scope)) {
         var fileList = evt.__files_ || (evt.target && evt.target.files), files = [];
+        /* Handle duplicate call in  IE11 */
+        if (!fileList) return;
         for (var i = 0; i < fileList.length; i++) {
           files.push(fileList[i]);
         }
@@ -728,31 +745,39 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
     upload.registerModelChangeValidator(ngModel, attr, scope);
 
     var unwatches = [];
-    unwatches.push(scope.$watch(attrGetter('ngfMultiple'), function () {
-      fileElem.attr('multiple', attrGetter('ngfMultiple', scope));
-    }));
-    unwatches.push(scope.$watch(attrGetter('ngfCapture'), function () {
-      fileElem.attr('capture', attrGetter('ngfCapture', scope));
-    }));
-    unwatches.push(scope.$watch(attrGetter('ngfAccept'), function () {
-      fileElem.attr('accept', attrGetter('ngfAccept', scope));
-    }));
-    attr.$observe('accept', function () {
+    if (attrGetter('ngfMultiple')) {
+      unwatches.push(scope.$watch(attrGetter('ngfMultiple'), function () {
+        fileElem.attr('multiple', attrGetter('ngfMultiple', scope));
+      }));
+    }
+    if (attrGetter('ngfCapture')) {
+      unwatches.push(scope.$watch(attrGetter('ngfCapture'), function () {
+        fileElem.attr('capture', attrGetter('ngfCapture', scope));
+      }));
+    }
+    if (attrGetter('ngfAccept')) {
+      unwatches.push(scope.$watch(attrGetter('ngfAccept'), function () {
+        fileElem.attr('accept', attrGetter('ngfAccept', scope));
+      }));
+    }
+    unwatches.push(attr.$observe('accept', function () {
       fileElem.attr('accept', attrGetter('accept'));
-    });
-    unwatches.push(function () {
-      if (attr.$$observers) delete attr.$$observers.accept;
-    });
-    function bindAttrToFileInput(fileElem) {
-      if (elem !== fileElem) {
-        for (var i = 0; i < elem[0].attributes.length; i++) {
-          var attribute = elem[0].attributes[i];
-          if (attribute.name !== 'type' && attribute.name !== 'class' && attribute.name !== 'style') {
-            if (attribute.value == null || attribute.value === '') {
-              if (attribute.name === 'required') attribute.value = 'required';
-              if (attribute.name === 'multiple') attribute.value = 'multiple';
-            }
-            fileElem.attr(attribute.name, attribute.name === 'id' ? 'ngf-' + attribute.value : attribute.value);
+    }));
+    function bindAttrToFileInput(fileElem, label) {
+      function updateId(val) {
+        fileElem.attr('id', 'ngf-' + val);
+        label.attr('id', 'ngf-label-' + val);
+      }
+
+      for (var i = 0; i < elem[0].attributes.length; i++) {
+        var attribute = elem[0].attributes[i];
+        if (attribute.name !== 'type' && attribute.name !== 'class' && attribute.name !== 'style') {
+          if (attribute.name === 'id') {
+            updateId(attribute.value);
+            unwatches.push(attr.$observe('id', updateId));
+          } else {
+            fileElem.attr(attribute.name, (!attribute.value && (attribute.name === 'required' ||
+            attribute.name === 'multiple')) ? attribute.name : attribute.value);
           }
         }
       }
@@ -765,12 +790,12 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
 
       var fileElem = angular.element('<input type="file">');
 
-      bindAttrToFileInput(fileElem);
-
       var label = angular.element('<label>upload</label>');
       label.css('visibility', 'hidden').css('position', 'absolute').css('overflow', 'hidden')
         .css('width', '0px').css('height', '0px').css('border', 'none')
         .css('margin', '0px').css('padding', '0px').attr('tabindex', '-1');
+      bindAttrToFileInput(fileElem, label);
+
       generatedElems.push({el: elem, ref: label});
 
       document.body.appendChild(label.append(fileElem)[0]);
@@ -778,13 +803,12 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
       return fileElem;
     }
 
-    var initialTouchStartY = 0;
-
     function clickHandler(evt) {
       if (elem.attr('disabled')) return false;
       if (attrGetter('ngfSelectDisabled', scope)) return;
 
-      var r = handleTouch(evt);
+      var r = detectSwipe(evt);
+      // prevent the click if it is a swipe
       if (r != null) return r;
 
       resetModel(evt);
@@ -796,7 +820,8 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
           document.body.appendChild(fileElem.parent()[0]);
           fileElem.bind('change', changeFn);
         }
-      } catch(e){/*ignore*/}
+      } catch (e) {/*ignore*/
+      }
 
       if (isDelayedClickSupported(navigator.userAgent)) {
         setTimeout(function () {
@@ -809,19 +834,30 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
       return false;
     }
 
-    function handleTouch(evt) {
-      var touches = evt.changedTouches || (evt.originalEvent && evt.originalEvent.changedTouches);
-      if (evt.type === 'touchstart') {
-        initialTouchStartY = touches ? touches[0].clientY : 0;
-        return true; // don't block event default
-      } else {
-        evt.stopPropagation();
-        evt.preventDefault();
 
-        // prevent scroll from triggering event
-        if (evt.type === 'touchend') {
-          var currentLocation = touches ? touches[0].clientY : 0;
-          if (Math.abs(currentLocation - initialTouchStartY) > 20) return false;
+    var initialTouchStartY = 0;
+    var initialTouchStartX = 0;
+
+    function detectSwipe(evt) {
+      var touches = evt.changedTouches || (evt.originalEvent && evt.originalEvent.changedTouches);
+      if (touches) {
+        if (evt.type === 'touchstart') {
+          initialTouchStartX = touches[0].clientX;
+          initialTouchStartY = touches[0].clientY;
+          return true; // don't block event default
+        } else {
+          // prevent scroll from triggering event
+          if (evt.type === 'touchend') {
+            var currentX = touches[0].clientX;
+            var currentY = touches[0].clientY;
+            if ((Math.abs(currentX - initialTouchStartX) > 20) ||
+              (Math.abs(currentY - initialTouchStartY) > 20)) {
+              evt.stopPropagation();
+              evt.preventDefault();
+              return false;
+            }
+          }
+          return true;
         }
       }
     }
@@ -1052,14 +1088,19 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
         var size = resizeParams;
         if (directiveName === 'ngfThumbnail') {
           if (!size) {
-            size = {width: elem[0].clientWidth, height: elem[0].clientHeight};
+            size = {
+              width: elem[0].naturalWidth || elem[0].clientWidth,
+              height: elem[0].naturalHeight || elem[0].clientHeight
+            };
           }
           if (size.width === 0 && window.getComputedStyle) {
             var style = getComputedStyle(elem[0]);
-            size = {
-              width: parseInt(style.width.slice(0, -2)),
-              height: parseInt(style.height.slice(0, -2))
-            };
+            if (style.width && style.width.indexOf('px') > -1 && style.height && style.height.indexOf('px') > -1) {
+              size = {
+                width: parseInt(style.width.slice(0, -2)),
+                height: parseInt(style.height.slice(0, -2))
+              };
+            }
           }
         }
 
@@ -1074,7 +1115,11 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
         if (file && file.type && file.type.search(getTagType(elem[0])) === 0 &&
           (!isBackground || file.type.indexOf('image') === 0)) {
           if (size && Upload.isResizeSupported()) {
-            Upload.resize(file, size.width, size.height, size.quality).then(
+            size.resizeIf = function (width, height) {
+              return Upload.attrGetter('ngfResizeIf', attr, scope,
+                {$width: width, $height: height, $file: file});
+            };
+            Upload.resize(file, size).then(
               function (f) {
                 constructDataUrl(f);
               }, function (e) {
@@ -1136,8 +1181,8 @@ ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload',
   }]);
 
   ngFileUpload.config(['$compileProvider', function ($compileProvider) {
-    if ($compileProvider.imgSrcSanitizationWhitelist) $compileProvider.imgSrcSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|local|file|data|blob):/);
-    if ($compileProvider.aHrefSanitizationWhitelist) $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|local|file|data|blob):/);
+    if ($compileProvider.imgSrcSanitizationWhitelist) $compileProvider.imgSrcSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|webcal|local|file|data|blob):/);
+    if ($compileProvider.aHrefSanitizationWhitelist) $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|mailto|tel|webcal|local|file|data|blob):/);
   }]);
 
   ngFileUpload.filter('ngfDataUrl', ['UploadDataUrl', '$sce', function (UploadDataUrl, $sce) {
@@ -1229,13 +1274,15 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
     if (ngModel) {
       ngModel.$formatters.push(function (files) {
         if (ngModel.$dirty) {
+          var filesArray = files;
           if (files && !angular.isArray(files)) {
-            files = [files];
+            filesArray = [files];
           }
-          upload.validate(files, 0, ngModel, attr, scope).then(function () {
-            upload.applyModelValidation(ngModel, files);
+          upload.validate(filesArray, 0, ngModel, attr, scope).then(function () {
+            upload.applyModelValidation(ngModel, filesArray);
           });
         }
+        return files;
       });
     }
   };
@@ -1285,11 +1332,15 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
       return upload.attrGetter(name, attr, scope, params);
     };
 
+    var ignoredErrors = (upload.attrGetter('ngfIgnoreInvalid', attr, scope) || '').split(' ');
+    var runAllValidation = upload.attrGetter('ngfRunAllValidations', attr, scope);
+
     if (files == null || files.length === 0) {
-      return upload.emptyPromise(ngModel);
+      return upload.emptyPromise({'validFiles': files, 'invalidFiles': []});
     }
 
     files = files.length === undefined ? [files] : files.slice(0);
+    var invalidFiles = [];
 
     function validateSync(name, validationName, fn) {
       if (files) {
@@ -1300,11 +1351,20 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
             var val = upload.getValidationAttr(attr, scope, name, validationName, file);
             if (val != null) {
               if (!fn(file, val, i)) {
-                file.$error = name;
-                (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
-                file.$errorParam = val;
-                files.splice(i, 1);
-                valid = false;
+                if (ignoredErrors.indexOf(name) === -1) {
+                  file.$error = name;
+                  (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
+                  file.$errorParam = val;
+                  if (invalidFiles.indexOf(file) === -1) {
+                    invalidFiles.push(file);
+                  }
+                  if (!runAllValidation) {
+                    files.splice(i, 1);
+                  }
+                  valid = false;
+                } else {
+                  files.splice(i, 1);
+                }
               }
             }
           }
@@ -1315,9 +1375,6 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
       }
     }
 
-    validateSync('maxFiles', null, function (file, val, i) {
-      return prevLength + i < val;
-    });
     validateSync('pattern', null, upload.validatePattern);
     validateSync('minSize', 'size.min', function (file, val) {
       return file.size + 0.1 >= upload.translateScalars(val);
@@ -1340,44 +1397,58 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
     });
 
     if (!files.length) {
-      return upload.emptyPromise(ngModel, ngModel.$ngfValidations);
+      return upload.emptyPromise({'validFiles': [], 'invalidFiles': invalidFiles});
     }
 
     function validateAsync(name, validationName, type, asyncFn, fn) {
       function resolveResult(defer, file, val) {
-        if (val != null) {
-          asyncFn(file, val).then(function (d) {
-            if (!fn(d, val)) {
+        function resolveInternal(fn) {
+          if (fn()) {
+            if (ignoredErrors.indexOf(name) === -1) {
               file.$error = name;
               (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
               file.$errorParam = val;
-              defer.reject();
+              if (invalidFiles.indexOf(file) === -1) {
+                invalidFiles.push(file);
+              }
+              if (!runAllValidation) {
+                var i = files.indexOf(file);
+                if (i > -1) files.splice(i, 1);
+              }
+              defer.resolve(false);
             } else {
-              defer.resolve();
+              var j = files.indexOf(file);
+              if (j > -1) files.splice(j, 1);
+              defer.resolve(true);
             }
+          } else {
+            defer.resolve(true);
+          }
+        }
+
+        if (val != null) {
+          asyncFn(file, val).then(function (d) {
+            resolveInternal(function () {
+              return !fn(d, val);
+            });
           }, function () {
-            if (attrGetter('ngfValidateForce', {$file: file})) {
-              file.$error = name;
-              (file.$errorMessages = (file.$errorMessages || {}))[name] = true;
-              file.$errorParam = val;
-              defer.reject();
-            } else {
-              defer.resolve();
-            }
+            resolveInternal(function () {
+              return attrGetter('ngfValidateForce', {$file: file});
+            });
           });
         } else {
-          defer.resolve();
+          defer.resolve(true);
         }
       }
 
-      var promises = [upload.emptyPromise()];
+      var promises = [upload.emptyPromise(true)];
       if (files) {
         files = files.length === undefined ? [files] : files;
         angular.forEach(files, function (file) {
           var defer = $q.defer();
           promises.push(defer.promise);
           if (type && (file.type == null || file.type.search(type) !== 0)) {
-            defer.resolve();
+            defer.resolve(true);
             return;
           }
           if (name === 'dimensions' && upload.attrGetter('ngfDimensions', attr) != null) {
@@ -1385,96 +1456,120 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
               resolveResult(defer, file,
                 attrGetter('ngfDimensions', {$file: file, $width: d.width, $height: d.height}));
             }, function () {
-              defer.reject();
+              defer.resolve(false);
             });
           } else if (name === 'duration' && upload.attrGetter('ngfDuration', attr) != null) {
             upload.mediaDuration(file).then(function (d) {
               resolveResult(defer, file,
                 attrGetter('ngfDuration', {$file: file, $duration: d}));
             }, function () {
-              defer.reject();
+              defer.resolve(false);
             });
           } else {
             resolveResult(defer, file,
               upload.getValidationAttr(attr, scope, name, validationName, file));
           }
         });
-        return $q.all(promises).then(function () {
-          ngModel.$ngfValidations.push({name: name, valid: true});
-        }, function () {
-          ngModel.$ngfValidations.push({name: name, valid: false});
-        });
       }
+      var deffer = $q.defer();
+      $q.all(promises).then(function (values) {
+        var isValid = true;
+        for (var i = 0; i < values.length; i++) {
+          if (!values[i]) {
+            isValid = false;
+            break;
+          }
+        }
+        ngModel.$ngfValidations.push({name: name, valid: isValid});
+        deffer.resolve(isValid);
+      });
+      return deffer.promise;
     }
 
     var deffer = $q.defer();
     var promises = [];
 
-    promises.push(upload.happyPromise(validateAsync('maxHeight', 'height.max', /image/,
+    promises.push(validateAsync('maxHeight', 'height.max', /image/,
       this.imageDimensions, function (d, val) {
         return d.height <= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('minHeight', 'height.min', /image/,
+      }));
+    promises.push(validateAsync('minHeight', 'height.min', /image/,
       this.imageDimensions, function (d, val) {
         return d.height >= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('maxWidth', 'width.max', /image/,
+      }));
+    promises.push(validateAsync('maxWidth', 'width.max', /image/,
       this.imageDimensions, function (d, val) {
         return d.width <= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('minWidth', 'width.min', /image/,
+      }));
+    promises.push(validateAsync('minWidth', 'width.min', /image/,
       this.imageDimensions, function (d, val) {
         return d.width >= val;
-      })));
-    promises.push(upload.happyPromise(validateAsync('dimensions', null, /image/,
+      }));
+    promises.push(validateAsync('dimensions', null, /image/,
       function (file, val) {
         return upload.emptyPromise(val);
       }, function (r) {
         return r;
-      })));
-    promises.push(upload.happyPromise(validateAsync('ratio', null, /image/,
+      }));
+    promises.push(validateAsync('ratio', null, /image/,
       this.imageDimensions, function (d, val) {
         var split = val.toString().split(','), valid = false;
         for (var i = 0; i < split.length; i++) {
-          if (Math.abs((d.width / d.height) - upload.ratioToFloat(split[i])) < 0.0001) {
+          if (Math.abs((d.width / d.height) - upload.ratioToFloat(split[i])) < 0.01) {
             valid = true;
           }
         }
         return valid;
-      })));
-    promises.push(upload.happyPromise(validateAsync('maxRatio', 'ratio.max', /image/,
+      }));
+    promises.push(validateAsync('maxRatio', 'ratio.max', /image/,
       this.imageDimensions, function (d, val) {
         return (d.width / d.height) - upload.ratioToFloat(val) < 0.0001;
-      })));
-    promises.push(upload.happyPromise(validateAsync('minRatio', 'ratio.min', /image/,
+      }));
+    promises.push(validateAsync('minRatio', 'ratio.min', /image/,
       this.imageDimensions, function (d, val) {
         return (d.width / d.height) - upload.ratioToFloat(val) > -0.0001;
-      })));
-    promises.push(upload.happyPromise(validateAsync('maxDuration', 'duration.max', /audio|video/,
+      }));
+    promises.push(validateAsync('maxDuration', 'duration.max', /audio|video/,
       this.mediaDuration, function (d, val) {
         return d <= upload.translateScalars(val);
-      })));
-    promises.push(upload.happyPromise(validateAsync('minDuration', 'duration.min', /audio|video/,
+      }));
+    promises.push(validateAsync('minDuration', 'duration.min', /audio|video/,
       this.mediaDuration, function (d, val) {
         return d >= upload.translateScalars(val);
-      })));
-    promises.push(upload.happyPromise(validateAsync('duration', null, /audio|video/,
+      }));
+    promises.push(validateAsync('duration', null, /audio|video/,
       function (file, val) {
         return upload.emptyPromise(val);
       }, function (r) {
         return r;
-      })));
+      }));
 
-    promises.push(upload.happyPromise(validateAsync('validateAsyncFn', null, null,
+    promises.push(validateAsync('validateAsyncFn', null, null,
       function (file, val) {
         return val;
       }, function (r) {
         return r === true || r === null || r === '';
-      })));
+      }));
+
+    $q.all(promises).then(function () {
+
+      if (runAllValidation) {
+        for (var i = 0; i < files.length; i++) {
+          var file = files[i];
+          if (file.$error) {
+            files.splice(i--, 1);
+          }
+        }
+      }
+
+      runAllValidation = false;
+      validateSync('maxFiles', null, function (file, val, i) {
+        return prevLength + i < val;
+      });
 
-    return $q.all(promises).then(function () {
-      deffer.resolve(ngModel, ngModel.$ngfValidations);
+      deffer.resolve({'validFiles': files, 'invalidFiles': invalidFiles});
     });
+    return deffer.promise;
   };
 
   upload.imageDimensions = function (file) {
@@ -1499,8 +1594,8 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
           .css('max-width', 'none !important').css('max-height', 'none !important');
 
         function success() {
-          var width = img[0].clientWidth;
-          var height = img[0].clientHeight;
+          var width = img[0].naturalWidth || img[0].clientWidth;
+          var height = img[0].naturalHeight || img[0].clientHeight;
           img.remove();
           file.$ngfWidth = width;
           file.$ngfHeight = height;
@@ -1514,23 +1609,23 @@ ngFileUpload.service('UploadValidate', ['UploadDataUrl', '$q', '$timeout', funct
 
         img.on('load', success);
         img.on('error', error);
-        var count = 0;
 
-        function checkLoadError() {
+        var secondsCounter = 0;
+        function checkLoadErrorInCaseOfNoCallback() {
           $timeout(function () {
             if (img[0].parentNode) {
               if (img[0].clientWidth) {
                 success();
-              } else if (count > 10) {
+              } else if (secondsCounter++ > 10) {
                 error();
               } else {
-                checkLoadError();
+                checkLoadErrorInCaseOfNoCallback();
               }
             }
           }, 1000);
         }
 
-        checkLoadError();
+        checkLoadErrorInCaseOfNoCallback();
 
         angular.element(document.getElementsByTagName('body')[0]).append(img);
       }, function () {
@@ -1641,31 +1736,35 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     var deferred = $q.defer();
     var canvasElement = document.createElement('canvas');
     var imageElement = document.createElement('img');
+    imageElement.setAttribute('style', 'visibility:hidden;position:fixed;z-index:-100000');
+    document.body.appendChild(imageElement);
 
     imageElement.onload = function () {
-      if (resizeIf != null && resizeIf(imageElement.width, imageElement.height) === false) {
+      var imgWidth = imageElement.width, imgHeight = imageElement.height;
+      imageElement.parentNode.removeChild(imageElement);
+      if (resizeIf != null && resizeIf(imgWidth, imgHeight) === false) {
         deferred.reject('resizeIf');
         return;
       }
       try {
         if (ratio) {
           var ratioFloat = upload.ratioToFloat(ratio);
-          var imgRatio = imageElement.width / imageElement.height;
+          var imgRatio = imgWidth / imgHeight;
           if (imgRatio < ratioFloat) {
-            width = imageElement.width;
+            width = imgWidth;
             height = width / ratioFloat;
           } else {
-            height = imageElement.height;
+            height = imgHeight;
             width = height * ratioFloat;
           }
         }
         if (!width) {
-          width = imageElement.width;
+          width = imgWidth;
         }
         if (!height) {
-          height = imageElement.height;
+          height = imgHeight;
         }
-        var dimensions = calculateAspectRatioFit(imageElement.width, imageElement.height, width, height, centerCrop);
+        var dimensions = calculateAspectRatioFit(imgWidth, imgHeight, width, height, centerCrop);
         canvasElement.width = Math.min(dimensions.width, width);
         canvasElement.height = Math.min(dimensions.height, height);
         var context = canvasElement.getContext('2d');
@@ -1678,6 +1777,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
       }
     };
     imageElement.onerror = function () {
+      imageElement.parentNode.removeChild(imageElement);
       deferred.reject();
     };
     imageElement.src = imagen;
@@ -1714,14 +1814,15 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     });
   }
 
-  upload.resize = function (file, width, height, quality, type, ratio, centerCrop, resizeIf, restoreExif) {
+  upload.resize = function (file, options) {
     if (file.type.indexOf('image') !== 0) return upload.emptyPromise(file);
 
     var deferred = $q.defer();
     upload.dataUrl(file, true).then(function (url) {
-      resize(url, width, height, quality, type || file.type, ratio, centerCrop, resizeIf)
+      resize(url, options.width, options.height, options.quality, options.type || file.type,
+        options.ratio, options.centerCrop, options.resizeIf)
         .then(function (dataUrl) {
-          if (file.type === 'image/jpeg' && restoreExif) {
+          if (file.type === 'image/jpeg' && options.restoreExif !== false) {
             try {
               dataUrl = upload.restoreExif(url, dataUrl);
             } catch (e) {
@@ -1750,13 +1851,13 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
 }]);
 
 (function () {
-  ngFileUpload.directive('ngfDrop', ['$parse', '$timeout', '$location', 'Upload', '$http', '$q',
-    function ($parse, $timeout, $location, Upload, $http, $q) {
+  ngFileUpload.directive('ngfDrop', ['$parse', '$timeout', '$window', 'Upload', '$http', '$q',
+    function ($parse, $timeout, $window, Upload, $http, $q) {
       return {
         restrict: 'AEC',
         require: '?ngModel',
         link: function (scope, elem, attr, ngModel) {
-          linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $location, Upload, $http, $q);
+          linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $window, Upload, $http, $q);
         }
       };
     }]);
@@ -1781,7 +1882,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     };
   }]);
 
-  function linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $location, upload, $http, $q) {
+  function linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $window, upload, $http, $q) {
     var available = dropAvailable();
 
     var attrGetter = function (name, scope, params) {
@@ -1857,23 +1958,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
       if (stopPropagation(scope)) evt.stopPropagation();
       if (actualDragOverClass) elem.removeClass(actualDragOverClass);
       actualDragOverClass = null;
-      var items = evt.dataTransfer.items;
-      var html;
-      try {
-        html = evt.dataTransfer && evt.dataTransfer.getData && evt.dataTransfer.getData('text/html');
-      } catch (e) {/* Fix IE11 that throw error calling getData */
-      }
-
-      extractFiles(items, evt.dataTransfer.files, attrGetter('ngfAllowDir', scope) !== false,
-        attrGetter('multiple') || attrGetter('ngfMultiple', scope)).then(function (files) {
-        if (files.length) {
-          updateModel(files, evt);
-        } else {
-          extractFilesFromHtml('dropUrl', html).then(function (files) {
-            updateModel(files, evt);
-          });
-        }
-      });
+      extractFilesAndUpdateModel(evt.dataTransfer, evt, 'dropUrl');
     }, false);
     elem[0].addEventListener('paste', function (evt) {
       if (navigator.userAgent.toLowerCase().indexOf('firefox') > -1 &&
@@ -1881,22 +1966,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
         evt.preventDefault();
       }
       if (isDisabled() || !upload.shouldUpdateOn('paste', attr, scope)) return;
-      var files = [];
-      var clipboard = evt.clipboardData || evt.originalEvent.clipboardData;
-      if (clipboard && clipboard.items) {
-        for (var k = 0; k < clipboard.items.length; k++) {
-          if (clipboard.items[k].type.indexOf('image') !== -1) {
-            files.push(clipboard.items[k].getAsFile());
-          }
-        }
-      }
-      if (files.length) {
-        updateModel(files, evt);
-      } else {
-        extractFilesFromHtml('pasteUrl', clipboard).then(function (files) {
-          updateModel(files, evt);
-        });
-      }
+      extractFilesAndUpdateModel(evt.clipboardData || evt.originalEvent.clipboardData, evt, 'pasteUrl');
     }, false);
 
     if (navigator.userAgent.toLowerCase().indexOf('firefox') > -1 &&
@@ -1909,12 +1979,33 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
       });
     }
 
+    function extractFilesAndUpdateModel(source, evt, updateOnType) {
+      if (!source) return;
+      // html needs to be calculated on the same process otherwise the data will be wiped
+      // after promise resolve or setTimeout.
+      var html;
+      try {
+        html = source && source.getData && source.getData('text/html');
+      } catch (e) {/* Fix IE11 that throw error calling getData */
+      }
+      extractFiles(source.items, source.files, attrGetter('ngfAllowDir', scope) !== false,
+        attrGetter('multiple') || attrGetter('ngfMultiple', scope)).then(function (files) {
+        if (files.length) {
+          updateModel(files, evt);
+        } else {
+          extractFilesFromHtml(updateOnType, html).then(function (files) {
+            updateModel(files, evt);
+          });
+        }
+      });
+    }
+
     function updateModel(files, evt) {
       upload.updateModel(ngModel, attr, scope, attrGetter('ngfChange') || attrGetter('ngfDrop'), files, evt);
     }
 
     function extractFilesFromHtml(updateOn, html) {
-      if (!upload.shouldUpdateOn(updateOn, attr, scope) || !html) return upload.rejectPromise([]);
+      if (!upload.shouldUpdateOn(updateOn, attr, scope) || typeof html !== 'string') return upload.rejectPromise([]);
       var urls = [];
       html.replace(/<(img src|img [^>]* src) *=\"([^\"]*)\"/gi, function (m, n, src) {
         urls.push(src);
@@ -1965,8 +2056,14 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
     }
 
     function extractFiles(items, fileList, allowDir, multiple) {
-      var maxFiles = upload.getValidationAttr(attr, scope, 'maxFiles') || Number.MAX_VALUE;
-      var maxTotalSize = upload.getValidationAttr(attr, scope, 'maxTotalSize') || Number.MAX_VALUE;
+      var maxFiles = upload.getValidationAttr(attr, scope, 'maxFiles');
+      if (maxFiles == null) {
+        maxFiles = Number.MAX_VALUE;
+      }
+      var maxTotalSize = upload.getValidationAttr(attr, scope, 'maxTotalSize');
+      if (maxTotalSize == null) {
+        maxTotalSize = Number.MAX_VALUE;
+      }
       var includeDir = attrGetter('ngfIncludeDir', scope);
       var files = [], totalSize = 0;
 
@@ -1977,7 +2074,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
             var promises = [upload.emptyPromise()];
             if (includeDir) {
               var file = {type: 'directory'};
-              file.name = file.path = (path || '') + entry.name + entry.name;
+              file.name = file.path = (path || '') + entry.name;
               files.push(file);
             }
             var dirReader = entry.createReader();
@@ -2031,7 +2128,7 @@ ngFileUpload.service('UploadResize', ['UploadValidate', '$q', function (UploadVa
 
       var promises = [upload.emptyPromise()];
 
-      if (items && items.length > 0 && $location.protocol() !== 'file') {
+      if (items && items.length > 0 && $window.location.protocol !== 'file:') {
         for (var i = 0; i < items.length; i++) {
           if (items[i].webkitGetAsEntry && items[i].webkitGetAsEntry() && items[i].webkitGetAsEntry().isDirectory) {
             var entry = items[i].webkitGetAsEntry();
diff --git a/xstatic/pkg/angular_fileupload/data/ng-file-upload.min.js b/xstatic/pkg/angular_fileupload/data/ng-file-upload.min.js
index e87a65e..4bfe942 100644
--- a/xstatic/pkg/angular_fileupload/data/ng-file-upload.min.js
+++ b/xstatic/pkg/angular_fileupload/data/ng-file-upload.min.js
@@ -1,3 +1,3 @@
-/*! 12.0.4 */
-!window.XMLHttpRequest||window.FileAPI&&FileAPI.shouldLoad||(window.XMLHttpRequest.prototype.setRequestHeader=function(a){return function(b,c){if("__setXHR_"===b){var d=c(this);d instanceof Function&&d(this)}else a.apply(this,arguments)}}(window.XMLHttpRequest.prototype.setRequestHeader));var ngFileUpload=angular.module("ngFileUpload",[]);ngFileUpload.version="12.0.4",ngFileUpload.service("UploadBase",["$http","$q","$timeout",function(a,b,c){function d(d){function e(a){j.notify&&j.notify(a),k.progressFunc&&c(function(){k.progressFunc(a)})}function h(a){return null!=d._start&&g?{loaded:a.loaded+d._start,total:d._file&&d._file.size||a.total,type:a.type,config:d,lengthComputable:!0,target:a.target}:a}function i(){a(d).then(function(a){g&&d._chunkSize&&!d._finished&&d._file?(e({loaded:d._end,total:d._file&&d._file.size,config:d,type:"progress"}),f.upload(d,!0)):(d._finished&&delete d._finished,j.resolve(a))},function(a){j.reject(a)},function(a){j.notify(a)})}d.method=d.method||"POST",d.headers=d.headers||{};var j=d._deferred=d._deferred||b.defer(),k=j.promise;return d.disableProgress||(d.headers.__setXHR_=function(){return function(a){a&&a.upload&&a.upload.addEventListener&&(d.__XHR=a,d.xhrFn&&d.xhrFn(a),a.upload.addEventListener("progress",function(a){a.config=d,e(h(a))},!1),a.upload.addEventListener("load",function(a){a.lengthComputable&&(a.config=d,e(h(a)))},!1))}}),g?d._chunkSize&&d._end&&!d._finished?(d._start=d._end,d._end+=d._chunkSize,i()):d.resumeSizeUrl?a.get(d.resumeSizeUrl).then(function(a){d._start=d.resumeSizeResponseReader?d.resumeSizeResponseReader(a.data):parseInt((null==a.data.size?a.data:a.data.size).toString()),d._chunkSize&&(d._end=d._start+d._chunkSize),i()},function(a){throw a}):d.resumeSize?d.resumeSize().then(function(a){d._start=a,i()},function(a){throw a}):(d._chunkSize&&(d._start=0,d._end=d._start+d._chunkSize),i()):i(),k.success=function(a){return k.then(function(b){a(b.data,b.status,b.headers,d)}),k},k.error=function(a){return k.then(null,function(b){a(b.data,b.status,b.headers,d)}),k},k.progress=function(a){return k.progressFunc=a,k.then(null,null,function(b){a(b)}),k},k.abort=k.pause=function(){return d.__XHR&&c(function(){d.__XHR.abort()}),k},k.xhr=function(a){return d.xhrFn=function(b){return function(){b&&b.apply(k,arguments),a.apply(k,arguments)}}(d.xhrFn),k},f.promisesCount++,k["finally"](function(){f.promisesCount--}),k}function e(a){var b={};for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b}var f=this;f.promisesCount=0,this.isResumeSupported=function(){return window.Blob&&window.Blob.prototype.slice};var g=this.isResumeSupported();this.isUploadInProgress=function(){return f.promisesCount>0},this.rename=function(a,b){return a.ngfName=b,a},this.jsonBlob=function(a){null==a||angular.isString(a)||(a=JSON.stringify(a));var b=new window.Blob([a],{type:"application/json"});return b._ngfBlob=!0,b},this.json=function(a){return angular.toJson(a)},this.isFile=function(a){return null!=a&&(a instanceof window.Blob||a.flashId&&a.name&&a.size)},this.upload=function(a,b){function c(b,c){if(b._ngfBlob)return b;if(a._file=a._file||b,null!=a._start&&g){a._end&&a._end>=b.size&&(a._finished=!0,a._end=b.size);var d=b.slice(a._start,a._end||b.size);return d.name=b.name,d.ngfName=b.ngfName,a._chunkSize&&(c.append("_chunkSize",a._chunkSize),c.append("_currentChunkSize",a._end-a._start),c.append("_chunkNumber",Math.floor(a._start/a._chunkSize)),c.append("_totalSize",a._file.size)),d}return b}function h(b,d,e){if(void 0!==d)if(angular.isDate(d)&&(d=d.toISOString()),angular.isString(d))b.append(e,d);else if(f.isFile(d)){var g=c(d,b),i=e.split(",");i[1]&&(g.ngfName=i[1].replace(/^\s+|\s+$/g,""),e=i[0]),a._fileKey=a._fileKey||e,b.append(e,g,g.ngfName||g.name)}else if(angular.isObject(d)){if(d.$$ngfCircularDetection)throw"ngFileUpload: Circular reference in config.data. Make sure specified data for Upload.upload() has no circular reference: "+e;d.$$ngfCircularDetection=!0;try{for(var j in d)if(d.hasOwnProperty(j)&&"$$ngfCircularDetection"!==j){var k=null==a.objectKey?"[i]":a.objectKey;d.length&&parseInt(j)>-1&&(k=null==a.arrayKey?k:a.arrayKey),h(b,d[j],e+k.replace(/[ik]/g,j))}}finally{delete d.$$ngfCircularDetection}}else b.append(e,d)}function i(){a._chunkSize=f.translateScalars(a.resumeChunkSize),a._chunkSize=a._chunkSize?parseInt(a._chunkSize.toString()):null,a.headers=a.headers||{},a.headers["Content-Type"]=void 0,a.transformRequest=a.transformRequest?angular.isArray(a.transformRequest)?a.transformRequest:[a.transformRequest]:[],a.transformRequest.push(function(b){var c,d=new window.FormData;b=b||a.fields||{},a.file&&(b.file=a.file);for(c in b)if(b.hasOwnProperty(c)){var e=b[c];a.formDataAppender?a.formDataAppender(d,c,e):h(d,e,c)}return d})}return b||(a=e(a)),a._isDigested||(a._isDigested=!0,i()),d(a)},this.http=function(b){return b=e(b),b.transformRequest=b.transformRequest||function(b){return window.ArrayBuffer&&b instanceof window.ArrayBuffer||b instanceof window.Blob?b:a.defaults.transformRequest[0].apply(this,arguments)},b._chunkSize=f.translateScalars(b.resumeChunkSize),b._chunkSize=b._chunkSize?parseInt(b._chunkSize.toString()):null,d(b)},this.translateScalars=function(a){if(angular.isString(a)){if(a.search(/kb/i)===a.length-2)return parseFloat(1024*a.substring(0,a.length-2));if(a.search(/mb/i)===a.length-2)return parseFloat(1048576*a.substring(0,a.length-2));if(a.search(/gb/i)===a.length-2)return parseFloat(1073741824*a.substring(0,a.length-2));if(a.search(/b/i)===a.length-1)return parseFloat(a.substring(0,a.length-1));if(a.search(/s/i)===a.length-1)return parseFloat(a.substring(0,a.length-1));if(a.search(/m/i)===a.length-1)return parseFloat(60*a.substring(0,a.length-1));if(a.search(/h/i)===a.length-1)return parseFloat(3600*a.substring(0,a.length-1))}return a},this.urlToBlob=function(c){var d=b.defer();return a({url:c,method:"get",responseType:"arraybuffer"}).then(function(a){var b=new Uint8Array(a.data),c=a.headers("content-type")||"image/WebP",e=new window.Blob([b],{type:c});d.resolve(e)},function(a){d.reject(a)}),d.promise},this.setDefaults=function(a){this.defaults=a||{}},this.defaults={},this.version=ngFileUpload.version}]),ngFileUpload.service("Upload",["$parse","$timeout","$compile","$q","UploadExif",function(a,b,c,d,e){function f(a,b,c){var e=[i.emptyPromise()];return angular.forEach(a,function(d,f){0===d.type.indexOf("image/jpeg")&&i.attrGetter("ngfFixOrientation",b,c,{$file:d})&&e.push(i.happyPromise(i.applyExifRotation(d),d).then(function(b){a.splice(f,1,b)}))}),d.all(e)}function g(a,b,c){var e=i.attrGetter("ngfResize",b,c);if(!e||!i.isResizeSupported()||!a.length)return i.emptyPromise();if(!(e instanceof Function))return h(e,a,b,c);var f=d.defer();e(a).then(function(d){h(d,a,b,c).then(function(a){f.resolve(a)},function(a){f.reject(a)})},function(a){f.reject(a)})}function h(a,b,c,e){function f(d,f){if(0===d.type.indexOf("image")){if(a.pattern&&!i.validatePattern(d,a.pattern))return;var h=i.resize(d,a.width,a.height,a.quality,a.type,a.ratio,a.centerCrop,function(a,b){return i.attrGetter("ngfResizeIf",c,e,{$width:a,$height:b,$file:d})},a.restoreExif!==!1);g.push(h),h.then(function(a){b.splice(f,1,a)},function(a){d.$error="resize",d.$errorParam=(a?(a.message?a.message:a)+": ":"")+(d&&d.name)})}}for(var g=[i.emptyPromise()],h=0;h<b.length;h++)f(b[h],h);return d.all(g)}var i=e;return i.getAttrWithDefaults=function(a,b){if(null!=a[b])return a[b];var c=i.defaults[b];return null==c?c:angular.isString(c)?c:JSON.stringify(c)},i.attrGetter=function(b,c,d,e){var f=this.getAttrWithDefaults(c,b);if(!d)return f;try{return e?a(f)(d,e):a(f)(d)}catch(g){if(b.search(/min|max|pattern/i))return f;throw g}},i.shouldUpdateOn=function(a,b,c){var d=i.attrGetter("ngModelOptions",b,c);return d&&d.updateOn?d.updateOn.split(" ").indexOf(a)>-1:!0},i.emptyPromise=function(){var a=d.defer(),c=arguments;return b(function(){a.resolve.apply(a,c)}),a.promise},i.rejectPromise=function(){var a=d.defer(),c=arguments;return b(function(){a.reject.apply(a,c)}),a.promise},i.happyPromise=function(a,c){var e=d.defer();return a.then(function(a){e.resolve(a)},function(a){b(function(){throw a}),e.resolve(c)}),e.promise},i.updateModel=function(c,d,e,h,j,k,l){function m(f,g,j,l,m){d.$$ngfPrevValidFiles=f,d.$$ngfPrevInvalidFiles=g;var n=f&&f.length?f[0]:null,o=g&&g.length?g[0]:null;c&&(i.applyModelValidation(c,f),c.$setViewValue(m?n:f)),h&&a(h)(e,{$files:f,$file:n,$newFiles:j,$duplicateFiles:l,$invalidFiles:g,$invalidFile:o,$event:k});var p=i.attrGetter("ngfModelInvalid",d);p&&b(function(){a(p).assign(e,m?o:g)}),b(function(){})}function n(){function a(a,b){return a.name===b.name&&(a.$ngfOrigSize||a.size)===(b.$ngfOrigSize||b.size)&&a.type===b.type}function b(b){var c;for(c=0;c<s.length;c++)if(a(b,s[c]))return!0;for(c=0;c<t.length;c++)if(a(b,t[c]))return!0;return!1}if(j){r=[],u=[];for(var c=0;c<j.length;c++)b(j[c])?u.push(j[c]):r.push(j[c])}}function o(a){return angular.isArray(a)?a:[a]}function p(){w=[],v=[],angular.forEach(r,function(a){a.$error?v.push(a):w.push(a)})}function q(){function a(){b(function(){m(x?s.concat(w):w,x?t.concat(v):v,j,u,y)},A&&A.debounce?A.debounce.change||A.debounce:0)}g(z?r:w,d,e).then(function(){z?i.validate(r,s.length,c,d,e).then(function(){p(),a()}):a()},function(a){throw"Could not resize files "+a})}var r,s,t,u=[],v=[],w=[];s=d.$$ngfPrevValidFiles||[],t=d.$$ngfPrevInvalidFiles||[],c&&c.$modelValue&&(s=o(c.$modelValue));var x=i.attrGetter("ngfKeep",d,e);r=(j||[]).slice(0),("distinct"===x||i.attrGetter("ngfKeepDistinct",d,e)===!0)&&n(d,e);var y=!x&&!i.attrGetter("ngfMultiple",d,e)&&!i.attrGetter("multiple",d);if(!x||r.length){i.attrGetter("ngfBeforeModelChange",d,e,{$files:j,$file:j&&j.length?j[0]:null,$newFiles:r,$duplicateFiles:u,$event:k});var z=i.attrGetter("ngfValidateAfterResize",d,e),A=i.attrGetter("ngModelOptions",d,e);i.validate(r,s.length,c,d,e).then(function(){l?m(r,[],j,u,y):(A&&A.allowInvalid||z?w=r:p(),i.attrGetter("ngfFixOrientation",d,e)&&i.isExifSupported()?f(w,d,e).then(function(){q()}):q())})}},i}]),ngFileUpload.directive("ngfSelect",["$parse","$timeout","$compile","Upload",function(a,b,c,d){function e(a){var b=a.match(/Android[^\d]*(\d+)\.(\d+)/);if(b&&b.length>2){var c=d.defaults.androidFixMinorVersion||4;return parseInt(b[1])<4||parseInt(b[1])===c&&parseInt(b[2])<c}return-1===a.indexOf("Chrome")&&/.*Windows.*Safari.*/.test(a)}function f(a,b,c,d,f,h,i,j){function k(){return"input"===b[0].tagName.toLowerCase()&&c.type&&"file"===c.type.toLowerCase()}function l(){return t("ngfChange")||t("ngfSelect")}function m(b){if(j.shouldUpdateOn("change",c,a)){for(var e=b.__files_||b.target&&b.target.files,f=[],g=0;g<e.length;g++)f.push(e[g]);j.updateModel(d,c,a,l(),f.length?f:null,b)}}function n(a){if(b!==a)for(var c=0;c<b[0].attributes.length;c++){var d=b[0].attributes[c];"type"!==d.name&&"class"!==d.name&&"style"!==d.name&&((null==d.value||""===d.value)&&("required"===d.name&&(d.value="required"),"multiple"===d.name&&(d.value="multiple")),a.attr(d.name,"id"===d.name?"ngf-"+d.value:d.value))}}function o(){if(k())return b;var a=angular.element('<input type="file">');n(a);var c=angular.element("<label>upload</label>");return c.css("visibility","hidden").css("position","absolute").css("overflow","hidden").css("width","0px").css("height","0px").css("border","none").css("margin","0px").css("padding","0px").attr("tabindex","-1"),g.push({el:b,ref:c}),document.body.appendChild(c.append(a)[0]),a}function p(c){if(b.attr("disabled"))return!1;if(!t("ngfSelectDisabled",a)){var d=q(c);if(null!=d)return d;r(c);try{k()||document.body.contains(w[0])||(g.push({el:b,ref:w.parent()}),document.body.appendChild(w.parent()[0]),w.bind("change",m))}catch(f){}return e(navigator.userAgent)?setTimeout(function(){w[0].click()},0):w[0].click(),!1}}function q(a){var b=a.changedTouches||a.originalEvent&&a.originalEvent.changedTouches;if("touchstart"===a.type)return v=b?b[0].clientY:0,!0;if(a.stopPropagation(),a.preventDefault(),"touchend"===a.type){var c=b?b[0].clientY:0;if(Math.abs(c-v)>20)return!1}}function r(b){j.shouldUpdateOn("click",c,a)&&w.val()&&(w.val(null),j.updateModel(d,c,a,l(),null,b,!0))}function s(a){if(w&&!w.attr("__ngf_ie10_Fix_")){if(!w[0].parentNode)return void(w=null);a.preventDefault(),a.stopPropagation(),w.unbind("click");var b=w.clone();return w.replaceWith(b),w=b,w.attr("__ngf_ie10_Fix_","true"),w.bind("change",m),w.bind("click",s),w[0].click(),!1}w.removeAttr("__ngf_ie10_Fix_")}var t=function(a,b){return j.attrGetter(a,c,b)};j.registerModelChangeValidator(d,c,a);var u=[];u.push(a.$watch(t("ngfMultiple"),function(){w.attr("multiple",t("ngfMultiple",a))})),u.push(a.$watch(t("ngfCapture"),function(){w.attr("capture",t("ngfCapture",a))})),u.push(a.$watch(t("ngfAccept"),function(){w.attr("accept",t("ngfAccept",a))})),c.$observe("accept",function(){w.attr("accept",t("accept"))}),u.push(function(){c.$$observers&&delete c.$$observers.accept});var v=0,w=b;k()||(w=o()),w.bind("change",m),k()?b.bind("click",r):b.bind("click touchstart touchend",p),-1!==navigator.appVersion.indexOf("MSIE 10")&&w.bind("click",s),d&&d.$formatters.push(function(a){return(null==a||0===a.length)&&w.val()&&w.val(null),a}),a.$on("$destroy",function(){k()||w.parent().remove(),angular.forEach(u,function(a){a()})}),h(function(){for(var a=0;a<g.length;a++){var 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d=a[b];d.$error&&a.splice(b--,1)}l=!1,h("maxFiles",null,function(a,b,d){return b>c+d}),o.resolve({validFiles:a,invalidFiles:m})}),o.promise},f.imageDimensions=function(a){if(a.$ngfWidth&&a.$ngfHeight){var d=b.defer();return c(function(){d.resolve({width:a.$ngfWidth,height:a.$ngfHeight})}),d.promise}if(a.$ngfDimensionPromise)return a.$ngfDimensionPromise;var e=b.defer();return c(function(){return 0!==a.type.indexOf("image")?void e.reject("not image"):void f.dataUrl(a).then(function(b){function d(){var b=h[0].naturalWidth||h[0].clientWidth,c=h[0].naturalHeight||h[0].clientHeight;h.remove(),a.$ngfWidth=b,a.$ngfHeight=c,e.resolve({width:b,height:c})}function f(){h.remove(),e.reject("load error")}function g(){c(function(){h[0].parentNode&&(h[0].clientWidth?d():i++>10?f():g())},1e3)}var h=angular.element("<img>").attr("src",b).css("visibility","hidden").css("position","fixed").css("max-width","none !important").css("max-height","none !important");h.on("load",d),h.on("error",f);var i=0;g(),angular.element(document.getElementsByTagName("body")[0]).append(h)},function(){e.reject("load error")})}),a.$ngfDimensionPromise=e.promise,a.$ngfDimensionPromise["finally"](function(){delete a.$ngfDimensionPromise}),a.$ngfDimensionPromise},f.mediaDuration=function(a){if(a.$ngfDuration){var d=b.defer();return c(function(){d.resolve(a.$ngfDuration)}),d.promise}if(a.$ngfDurationPromise)return a.$ngfDurationPromise;var e=b.defer();return c(function(){return 0!==a.type.indexOf("audio")&&0!==a.type.indexOf("video")?void e.reject("not media"):void f.dataUrl(a).then(function(b){function d(){var b=h[0].duration;a.$ngfDuration=b,h.remove(),e.resolve(b)}function f(){h.remove(),e.reject("load error")}function g(){c(function(){h[0].parentNode&&(h[0].duration?d():i>10?f():g())},1e3)}var h=angular.element(0===a.type.indexOf("audio")?"<audio>":"<video>").attr("src",b).css("visibility","none").css("position","fixed");h.on("loadedmetadata",d),h.on("error",f);var i=0;g(),angular.element(document.body).append(h)},function(){e.reject("load error")})}),a.$ngfDurationPromise=e.promise,a.$ngfDurationPromise["finally"](function(){delete a.$ngfDurationPromise}),a.$ngfDurationPromise},f}]),ngFileUpload.service("UploadResize",["UploadValidate","$q",function(a,b){var c=a,d=function(a,b,c,d,e){var f=e?Math.max(c/a,d/b):Math.min(c/a,d/b);return{width:a*f,height:b*f,marginX:a*f-c,marginY:b*f-d}},e=function(a,e,f,g,h,i,j,k){var l=b.defer(),m=document.createElement("canvas"),n=document.createElement("img");return n.setAttribute("style","visibility:hidden;position:fixed;z-index:-100000"),document.body.appendChild(n),n.onload=function(){var a=n.width,b=n.height;if(n.parentNode.removeChild(n),null!=k&&k(a,b)===!1)return void l.reject("resizeIf");try{if(i){var o=c.ratioToFloat(i),p=a/b;o>p?(e=a,f=e/o):(f=b,e=f*o)}e||(e=a),f||(f=b);var q=d(a,b,e,f,j);m.width=Math.min(q.width,e),m.height=Math.min(q.height,f);var r=m.getContext("2d");r.drawImage(n,Math.min(0,-q.marginX/2),Math.min(0,-q.marginY/2),q.width,q.height),l.resolve(m.toDataURL(h||"image/WebP",g||.934))}catch(s){l.reject(s)}},n.onerror=function(){n.parentNode.removeChild(n),l.reject()},n.src=a,l.promise};return c.dataUrltoBlob=function(a,b,c){for(var d=a.split(","),e=d[0].match(/:(.*?);/)[1],f=atob(d[1]),g=f.length,h=new Uint8Array(g);g--;)h[g]=f.charCodeAt(g);var i=new window.Blob([h],{type:e});return i.name=b,i.$ngfOrigSize=c,i},c.isResizeSupported=function(){var a=document.createElement("canvas");return window.atob&&a.getContext&&a.getContext("2d")&&window.Blob},c.isResizeSupported()&&Object.defineProperty(window.Blob.prototype,"name",{get:function(){return this.$ngfName},set:function(a){this.$ngfName=a},configurable:!0}),c.resize=function(a,d){if(0!==a.type.indexOf("image"))return c.emptyPromise(a);var f=b.defer();return c.dataUrl(a,!0).then(function(b){e(b,d.width,d.height,d.quality,d.type||a.type,d.ratio,d.centerCrop,d.resizeIf).then(function(e){if("image/jpeg"===a.type&&d.restoreExif!==!1)try{e=c.restoreExif(b,e)}catch(g){setTimeout(function(){throw g},1)}try{var h=c.dataUrltoBlob(e,a.name,a.size);f.resolve(h)}catch(g){f.reject(g)}},function(b){"resizeIf"===b&&f.resolve(a),f.reject(b)})},function(a){f.reject(a)}),f.promise},c}]),function(){function a(a,c,d,e,f,g,h,i,j,k){function l(){return c.attr("disabled")||s("ngfDropDisabled",a)}function m(b,c,d){if(b){var e;try{e=b&&b.getData&&b.getData("text/html")}catch(f){}q(b.items,b.files,s("ngfAllowDir",a)!==!1,s("multiple")||s("ngfMultiple",a)).then(function(a){a.length?n(a,c):o(d,e).then(function(a){n(a,c)})})}}function n(b,c){i.updateModel(e,d,a,s("ngfChange")||s("ngfDrop"),b,c)}function o(b,c){if(!i.shouldUpdateOn(b,d,a)||"string"!=typeof c)return i.rejectPromise([]);var e=[];c.replace(/<(img src|img [^>]* src) *=\"([^\"]*)\"/gi,function(a,b,c){e.push(c)});var f=[],g=[];if(e.length){angular.forEach(e,function(a){f.push(i.urlToBlob(a).then(function(a){g.push(a)}))});var h=k.defer();return k.all(f).then(function(){h.resolve(g)},function(a){h.reject(a)}),h.promise}return i.emptyPromise()}function p(a,b,c,d){var e=s("ngfDragOverClass",a,{$event:c}),f="dragover";if(angular.isString(e))f=e;else if(e&&(e.delay&&(w=e.delay),e.accept||e.reject)){var g=c.dataTransfer.items;if(null!=g&&g.length)for(var h=e.pattern||s("ngfPattern",a,{$event:c}),j=g.length;j--;){if(!i.validatePattern(g[j],h)){f=e.reject;break}f=e.accept}else f=e.accept}d(f)}function q(b,c,e,f){function g(a,b){var c=k.defer();if(null!=a)if(a.isDirectory){var d=[i.emptyPromise()];if(m){var e={type:"directory"};e.name=e.path=(b||"")+a.name,n.push(e)}var f=a.createReader(),h=[],p=function(){f.readEntries(function(e){try{e.length?(h=h.concat(Array.prototype.slice.call(e||[],0)),p()):(angular.forEach(h.slice(0),function(c){n.length<=j&&l>=o&&d.push(g(c,(b?b:"")+a.name+"/"))}),k.all(d).then(function(){c.resolve()},function(a){c.reject(a)}))}catch(f){c.reject(f)}},function(a){c.reject(a)})};p()}else a.file(function(a){try{a.path=(b?b:"")+a.name,m&&(a=i.rename(a,a.path)),n.push(a),o+=a.size,c.resolve()}catch(d){c.reject(d)}},function(a){c.reject(a)});return c.promise}var j=i.getValidationAttr(d,a,"maxFiles");null==j&&(j=Number.MAX_VALUE);var l=i.getValidationAttr(d,a,"maxTotalSize");null==l&&(l=Number.MAX_VALUE);var m=s("ngfIncludeDir",a),n=[],o=0,p=[i.emptyPromise()];if(b&&b.length>0&&"file:"!==h.location.protocol)for(var q=0;q<b.length;q++){if(b[q].webkitGetAsEntry&&b[q].webkitGetAsEntry()&&b[q].webkitGetAsEntry().isDirectory){var r=b[q].webkitGetAsEntry();if(r.isDirectory&&!e)continue;null!=r&&p.push(g(r))}else{var t=b[q].getAsFile();null!=t&&(n.push(t),o+=t.size)}if(n.length>j||o>l||!f&&n.length>0)break}else if(null!=c)for(var u=0;u<c.length;u++){var v=c.item(u);if((v.type||v.size>0)&&(n.push(v),o+=v.size),n.length>j||o>l||!f&&n.length>0)break}var w=k.defer();return k.all(p).then(function(){if(f||m||!n.length)w.resolve(n);else{for(var a=0;n[a]&&"directory"===n[a].type;)a++;w.resolve([n[a]])}},function(a){w.reject(a)}),w.promise}var r=b(),s=function(a,b,c){return i.attrGetter(a,d,b,c)};if(s("dropAvailable")&&g(function(){a[s("dropAvailable")]?a[s("dropAvailable")].value=r:a[s("dropAvailable")]=r}),!r)return void(s("ngfHideOnDropNotAvailable",a)===!0&&c.css("display","none"));null==s("ngfSelect")&&i.registerModelChangeValidator(e,d,a);var t,u=null,v=f(s("ngfStopPropagation")),w=1;c[0].addEventListener("dragover",function(b){if(!l()&&i.shouldUpdateOn("drop",d,a)){if(b.preventDefault(),v(a)&&b.stopPropagation(),navigator.userAgent.indexOf("Chrome")>-1){var e=b.dataTransfer.effectAllowed;b.dataTransfer.dropEffect="move"===e||"linkMove"===e?"move":"copy"}g.cancel(u),t||(t="C",p(a,d,b,function(d){t=d,c.addClass(t),s("ngfDrag",a,{$isDragging:!0,$class:t,$event:b})}))}},!1),c[0].addEventListener("dragenter",function(b){!l()&&i.shouldUpdateOn("drop",d,a)&&(b.preventDefault(),v(a)&&b.stopPropagation())},!1),c[0].addEventListener("dragleave",function(b){!l()&&i.shouldUpdateOn("drop",d,a)&&(b.preventDefault(),
+v(a)&&b.stopPropagation(),u=g(function(){t&&c.removeClass(t),t=null,s("ngfDrag",a,{$isDragging:!1,$event:b})},w||100))},!1),c[0].addEventListener("drop",function(b){!l()&&i.shouldUpdateOn("drop",d,a)&&(b.preventDefault(),v(a)&&b.stopPropagation(),t&&c.removeClass(t),t=null,m(b.dataTransfer,b,"dropUrl"))},!1),c[0].addEventListener("paste",function(b){navigator.userAgent.toLowerCase().indexOf("firefox")>-1&&s("ngfEnableFirefoxPaste",a)&&b.preventDefault(),!l()&&i.shouldUpdateOn("paste",d,a)&&m(b.clipboardData||b.originalEvent.clipboardData,b,"pasteUrl")},!1),navigator.userAgent.toLowerCase().indexOf("firefox")>-1&&s("ngfEnableFirefoxPaste",a)&&(c.attr("contenteditable",!0),c.on("keypress",function(a){a.metaKey||a.ctrlKey||a.preventDefault()}))}function b(){var a=document.createElement("div");return"draggable"in a&&"ondrop"in a&&!/Edge\/12./i.test(navigator.userAgent)}ngFileUpload.directive("ngfDrop",["$parse","$timeout","$window","Upload","$http","$q",function(b,c,d,e,f,g){return{restrict:"AEC",require:"?ngModel",link:function(h,i,j,k){a(h,i,j,k,b,c,d,e,f,g)}}}]),ngFileUpload.directive("ngfNoFileDrop",function(){return function(a,c){b()&&c.css("display","none")}}),ngFileUpload.directive("ngfDropAvailable",["$parse","$timeout","Upload",function(a,c,d){return function(e,f,g){if(b()){var h=a(d.attrGetter("ngfDropAvailable",g));c(function(){h(e),h.assign&&h.assign(e,!0)})}}}])}(),ngFileUpload.service("UploadExif",["UploadResize","$q",function(a,b){function c(a,b,c,d){switch(b){case 2:return a.transform(-1,0,0,1,c,0);case 3:return a.transform(-1,0,0,-1,c,d);case 4:return a.transform(1,0,0,-1,0,d);case 5:return a.transform(0,1,1,0,0,0);case 6:return a.transform(0,1,-1,0,d,0);case 7:return a.transform(0,-1,-1,0,d,c);case 8:return a.transform(0,-1,1,0,0,c)}}function d(a){for(var b="",c=new Uint8Array(a),d=c.byteLength,e=0;d>e;e++)b+=String.fromCharCode(c[e]);return window.btoa(b)}var e=a;return e.isExifSupported=function(){return window.FileReader&&(new FileReader).readAsArrayBuffer&&e.isResizeSupported()},e.readOrientation=function(a){var c=b.defer(),d=new FileReader,e=a.slice?a.slice(0,65536):a;return d.readAsArrayBuffer(e),d.onerror=function(a){return c.reject(a)},d.onload=function(a){var b={orientation:1},d=new DataView(this.result);if(65496!==d.getUint16(0,!1))return c.resolve(b);for(var e=d.byteLength,f=2;e>f;){var g=d.getUint16(f,!1);if(f+=2,65505===g){if(1165519206!==d.getUint32(f+=2,!1))return c.resolve(b);var h=18761===d.getUint16(f+=6,!1);f+=d.getUint32(f+4,h);var i=d.getUint16(f,h);f+=2;for(var j=0;i>j;j++)if(274===d.getUint16(f+12*j,h)){var k=d.getUint16(f+12*j+8,h);return k>=2&&8>=k&&(d.setUint16(f+12*j+8,1,h),b.fixedArrayBuffer=a.target.result),b.orientation=k,c.resolve(b)}}else{if(65280!==(65280&g))break;f+=d.getUint16(f,!1)}}return c.resolve(b)},c.promise},e.applyExifRotation=function(a){if(0!==a.type.indexOf("image/jpeg"))return e.emptyPromise(a);var f=b.defer();return e.readOrientation(a).then(function(b){return b.orientation<2||b.orientation>8?f.resolve(a):void e.dataUrl(a,!0).then(function(g){var h=document.createElement("canvas"),i=document.createElement("img");i.onload=function(){try{h.width=b.orientation>4?i.height:i.width,h.height=b.orientation>4?i.width:i.height;var g=h.getContext("2d");c(g,b.orientation,i.width,i.height),g.drawImage(i,0,0);var j=h.toDataURL(a.type||"image/WebP",.934);j=e.restoreExif(d(b.fixedArrayBuffer),j);var k=e.dataUrltoBlob(j,a.name);f.resolve(k)}catch(l){return f.reject(l)}},i.onerror=function(){f.reject()},i.src=g},function(a){f.reject(a)})},function(a){f.reject(a)}),f.promise},e.restoreExif=function(a,b){var c={};return c.KEY_STR="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",c.encode64=function(a){var b,c,d,e,f,g="",h="",i="",j=0;do b=a[j++],c=a[j++],h=a[j++],d=b>>2,e=(3&b)<<4|c>>4,f=(15&c)<<2|h>>6,i=63&h,isNaN(c)?f=i=64:isNaN(h)&&(i=64),g=g+this.KEY_STR.charAt(d)+this.KEY_STR.charAt(e)+this.KEY_STR.charAt(f)+this.KEY_STR.charAt(i),b=c=h="",d=e=f=i="";while(j<a.length);return g},c.restore=function(a,b){a.match("data:image/jpeg;base64,")&&(a=a.replace("data:image/jpeg;base64,",""));var c=this.decode64(a),d=this.slice2Segments(c),e=this.exifManipulation(b,d);return"data:image/jpeg;base64,"+this.encode64(e)},c.exifManipulation=function(a,b){var c=this.getExifArray(b),d=this.insertExif(a,c);return new Uint8Array(d)},c.getExifArray=function(a){for(var b,c=0;c<a.length;c++)if(b=a[c],255===b[0]&225===b[1])return b;return[]},c.insertExif=function(a,b){var c=a.replace("data:image/jpeg;base64,",""),d=this.decode64(c),e=d.indexOf(255,3),f=d.slice(0,e),g=d.slice(e),h=f;return h=h.concat(b),h=h.concat(g)},c.slice2Segments=function(a){for(var b=0,c=[];;){if(255===a[b]&218===a[b+1])break;if(255===a[b]&216===a[b+1])b+=2;else{var d=256*a[b+2]+a[b+3],e=b+d+2,f=a.slice(b,e);c.push(f),b=e}if(b>a.length)break}return c},c.decode64=function(a){var b,c,d,e,f,g="",h="",i=0,j=[],k=/[^A-Za-z0-9\+\/\=]/g;k.exec(a)&&console.log("There were invalid base64 characters in the input text.\nValid base64 characters are A-Z, a-z, 0-9, NaNExpect errors in decoding."),a=a.replace(/[^A-Za-z0-9\+\/\=]/g,"");do d=this.KEY_STR.indexOf(a.charAt(i++)),e=this.KEY_STR.indexOf(a.charAt(i++)),f=this.KEY_STR.indexOf(a.charAt(i++)),h=this.KEY_STR.indexOf(a.charAt(i++)),b=d<<2|e>>4,c=(15&e)<<4|f>>2,g=(3&f)<<6|h,j.push(b),64!==f&&j.push(c),64!==h&&j.push(g),b=c=g="",d=e=f=h="";while(i<a.length);return j},c.restore(a,b)},e}]);
 \ No newline at end of file
diff --git a/xstatic/pkg/angular_lrdragndrop/__init__.py b/xstatic/pkg/angular_lrdragndrop/__init__.py
index cf9508f..206ee6a 100644
--- a/xstatic/pkg/angular_lrdragndrop/__init__.py
+++ b/xstatic/pkg/angular_lrdragndrop/__init__.py
@@ -17,7 +17,7 @@ NAME = __name__.split('.')[-1] # package name (e.g. 'foo' or 'foo_bar')
 
 VERSION = '1.0.2' # version of the packaged files, please use the upstream
                   # version number
-BUILD = '4' # our package build number, so we can release new builds
+BUILD = '6' # our package build number, so we can release new builds
              # with fixes for xstatic stuff.
 PACKAGE_VERSION = VERSION + '.' + BUILD # version used for PyPi
 
diff --git a/xstatic/pkg/angular_lrdragndrop/data/lrdragndrop.js b/xstatic/pkg/angular_lrdragndrop/data/lrdragndrop.js
index 2b7c383..ce54176 100644
--- a/xstatic/pkg/angular_lrdragndrop/data/lrdragndrop.js
+++ b/xstatic/pkg/angular_lrdragndrop/data/lrdragndrop.js
@@ -2,11 +2,21 @@
     'use strict';
 
     function isJqueryEventDataTransfer(){
-        return window.jQuery && (-1 == window.jQuery.event.props.indexOf('dataTransfer'));
+        return window.jQuery && (!window.jQuery.event.special.dataTransfer || 
+            !window.jQuery.event.special.dataTransfer.props || -1 === 
+            window.jQuery.event.special.dataTransfer.props.indexOf('dataTransfer'));
     }
 
     if (isJqueryEventDataTransfer()) {
-        window.jQuery.event.props.push('dataTransfer');
+        if (!window.jQuery.event.special.dataTransfer) {
+            window.jQuery.event.special.dataTransfer = {
+                props: ['dataTransfer']
+            };
+        } else if (!window.jQuery.event.special.dataTransfer.props) {
+            window.jQuery.event.special.dataTransfer.props = ['dataTransfer'];
+        } else if (-1 === window.jQuery.event.special.dataTransfer.props.indexOf('dataTransfer')) {
+            window.jQuery.event.special.dataTransfer.props.push('dataTransfer');
+        }
     }
 
     var module = ng.module('lrDragNDrop', []);
@@ -181,4 +191,4 @@
             }
         };
     }]);
-})(angular);
 \ No newline at end of file
+})(angular);
diff --git a/xstatic/pkg/jquery/__init__.py b/xstatic/pkg/jquery/__init__.py
index d2a34ad..78dd92a 100644
--- a/xstatic/pkg/jquery/__init__.py
+++ b/xstatic/pkg/jquery/__init__.py
@@ -11,7 +11,7 @@ NAME = __name__.split('.')[-1] # package name (e.g. 'foo' or 'foo_bar')
                                # please use a all-lowercase valid python
                                # package name
 
-VERSION = '1.12.4' # version of the packaged files, please use the upstream
+VERSION = '3.5.1' # version of the packaged files, please use the upstream
                   # version number
 BUILD = '1' # our package build number, so we can release new builds
              # with fixes for xstatic stuff.
@@ -51,14 +51,26 @@ LOCATIONS = {
     ('jquery', 'http'): {
         'jquery.js': 'http://code.jquery.com/jquery-%s.js' % VERSION,
         'jquery.min.js': 'http://code.jquery.com/jquery-%s.min.js' % VERSION,
+        'jquery.slim.js': 'http://code.jquery.com/jquery-%s.slim.js' % VERSION,
+        'jquery.slim.min.js': 'http://code.jquery.com/jquery-%s.slim.min.js' % VERSION,
+    },
+    ('jquery', 'https'): {
+        'jquery.js': 'https://code.jquery.com/jquery-%s.js' % VERSION,
+        'jquery.min.js': 'https://code.jquery.com/jquery-%s.min.js' % VERSION,
+        'jquery.slim.js': 'https://code.jquery.com/jquery-%s.slim.js' % VERSION,
+        'jquery.slim.min.js': 'https://code.jquery.com/jquery-%s.slim.min.js' % VERSION,
     },
     ('microsoft', 'http'): {
         'jquery.js': 'http://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.js' % VERSION,
         'jquery.min.js': 'http://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.min.js' % VERSION,
+        'jquery.slim.js': 'http://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.slim.js' % VERSION,
+        'jquery.slim.min.js': 'http://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.slim.min.js' % VERSION,
     },
     ('microsoft', 'https'): {
         'jquery.js': 'https://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.js' % VERSION,
         'jquery.min.js': 'https://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.min.js' % VERSION,
+        'jquery.slim.js': 'https://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.slim.js' % VERSION,
+        'jquery.slim.min.js': 'https://ajax.aspnetcdn.com/ajax/jquery/jquery-%s.slim.min.js' % VERSION,
     },
 }
 
diff --git a/xstatic/pkg/jquery/data/jquery.js b/xstatic/pkg/jquery/data/jquery.js
index 7fc60fc..5093733 100644
--- a/xstatic/pkg/jquery/data/jquery.js
+++ b/xstatic/pkg/jquery/data/jquery.js
@@ -1,20 +1,22 @@
 /*!
- * jQuery JavaScript Library v1.12.4
- * http://jquery.com/
+ * jQuery JavaScript Library v3.5.1
+ * https://jquery.com/
  *
  * Includes Sizzle.js
- * http://sizzlejs.com/
+ * https://sizzlejs.com/
  *
- * Copyright jQuery Foundation and other contributors
+ * Copyright JS Foundation and other contributors
  * Released under the MIT license
- * http://jquery.org/license
+ * https://jquery.org/license
  *
- * Date: 2016-05-20T17:17Z
+ * Date: 2020-05-04T22:49Z
  */
+( function( global, factory ) {
 
-(function( global, factory ) {
+	"use strict";
 
 	if ( typeof module === "object" && typeof module.exports === "object" ) {
+
 		// For CommonJS and CommonJS-like environments where a proper `window`
 		// is present, execute the factory and get jQuery.
 		// For environments that do not have a `window` with a `document`
@@ -35,24 +37,30 @@
 	}
 
 // Pass this if window is not defined yet
-}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
 
-// Support: Firefox 18+
-// Can't be in strict mode, several libs including ASP.NET trace
-// the stack via arguments.caller.callee and Firefox dies if
-// you try to trace through "use strict" call chains. (#13335)
-//"use strict";
-var deletedIds = [];
+// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
+// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
+// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
+// enough that all such attempts are guarded in a try block.
+"use strict";
 
-var document = window.document;
+var arr = [];
+
+var getProto = Object.getPrototypeOf;
+
+var slice = arr.slice;
 
-var slice = deletedIds.slice;
+var flat = arr.flat ? function( array ) {
+	return arr.flat.call( array );
+} : function( array ) {
+	return arr.concat.apply( [], array );
+};
 
-var concat = deletedIds.concat;
 
-var push = deletedIds.push;
+var push = arr.push;
 
-var indexOf = deletedIds.indexOf;
+var indexOf = arr.indexOf;
 
 var class2type = {};
 
@@ -60,12 +68,86 @@ var toString = class2type.toString;
 
 var hasOwn = class2type.hasOwnProperty;
 
+var fnToString = hasOwn.toString;
+
+var ObjectFunctionString = fnToString.call( Object );
+
 var support = {};
 
+var isFunction = function isFunction( obj ) {
+
+      // Support: Chrome <=57, Firefox <=52
+      // In some browsers, typeof returns "function" for HTML <object> elements
+      // (i.e., `typeof document.createElement( "object" ) === "function"`).
+      // We don't want to classify *any* DOM node as a function.
+      return typeof obj === "function" && typeof obj.nodeType !== "number";
+  };
+
+
+var isWindow = function isWindow( obj ) {
+		return obj != null && obj === obj.window;
+	};
+
+
+var document = window.document;
+
+
+
+	var preservedScriptAttributes = {
+		type: true,
+		src: true,
+		nonce: true,
+		noModule: true
+	};
+
+	function DOMEval( code, node, doc ) {
+		doc = doc || document;
+
+		var i, val,
+			script = doc.createElement( "script" );
+
+		script.text = code;
+		if ( node ) {
+			for ( i in preservedScriptAttributes ) {
+
+				// Support: Firefox 64+, Edge 18+
+				// Some browsers don't support the "nonce" property on scripts.
+				// On the other hand, just using `getAttribute` is not enough as
+				// the `nonce` attribute is reset to an empty string whenever it
+				// becomes browsing-context connected.
+				// See https://github.com/whatwg/html/issues/2369
+				// See https://html.spec.whatwg.org/#nonce-attributes
+				// The `node.getAttribute` check was added for the sake of
+				// `jQuery.globalEval` so that it can fake a nonce-containing node
+				// via an object.
+				val = node[ i ] || node.getAttribute && node.getAttribute( i );
+				if ( val ) {
+					script.setAttribute( i, val );
+				}
+			}
+		}
+		doc.head.appendChild( script ).parentNode.removeChild( script );
+	}
+
+
+function toType( obj ) {
+	if ( obj == null ) {
+		return obj + "";
+	}
+
+	// Support: Android <=2.3 only (functionish RegExp)
+	return typeof obj === "object" || typeof obj === "function" ?
+		class2type[ toString.call( obj ) ] || "object" :
+		typeof obj;
+}
+/* global Symbol */
+// Defining this global in .eslintrc.json would create a danger of using the global
+// unguarded in another place, it seems safer to define global only for this module
+
 
 
 var
-	version = "1.12.4",
+	version = "3.5.1",
 
 	// Define a local copy of jQuery
 	jQuery = function( selector, context ) {
@@ -73,19 +155,6 @@ var
 		// The jQuery object is actually just the init constructor 'enhanced'
 		// Need init if jQuery is called (just allow error to be thrown if not included)
 		return new jQuery.fn.init( selector, context );
-	},
-
-	// Support: Android<4.1, IE<9
-	// Make sure we trim BOM and NBSP
-	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
-
-	// Matches dashed string for camelizing
-	rmsPrefix = /^-ms-/,
-	rdashAlpha = /-([\da-z])/gi,
-
-	// Used by jQuery.camelCase as callback to replace()
-	fcamelCase = function( all, letter ) {
-		return letter.toUpperCase();
 	};
 
 jQuery.fn = jQuery.prototype = {
@@ -95,9 +164,6 @@ jQuery.fn = jQuery.prototype = {
 
 	constructor: jQuery,
 
-	// Start with an empty selector
-	selector: "",
-
 	// The default length of a jQuery object is 0
 	length: 0,
 
@@ -108,13 +174,14 @@ jQuery.fn = jQuery.prototype = {
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
-		return num != null ?
 
-			// Return just the one element from the set
-			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
+		// Return all the elements in a clean array
+		if ( num == null ) {
+			return slice.call( this );
+		}
 
-			// Return all the elements in a clean array
-			slice.call( this );
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
 	},
 
 	// Take an array of elements and push it onto the stack
@@ -126,7 +193,6 @@ jQuery.fn = jQuery.prototype = {
 
 		// Add the old object onto the stack (as a reference)
 		ret.prevObject = this;
-		ret.context = this.context;
 
 		// Return the newly-formed element set
 		return ret;
@@ -155,6 +221,18 @@ jQuery.fn = jQuery.prototype = {
 		return this.eq( -1 );
 	},
 
+	even: function() {
+		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
+			return ( i + 1 ) % 2;
+		} ) );
+	},
+
+	odd: function() {
+		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
+			return i % 2;
+		} ) );
+	},
+
 	eq: function( i ) {
 		var len = this.length,
 			j = +i + ( i < 0 ? len : 0 );
@@ -168,12 +246,12 @@ jQuery.fn = jQuery.prototype = {
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
 	push: push,
-	sort: deletedIds.sort,
-	splice: deletedIds.splice
+	sort: arr.sort,
+	splice: arr.splice
 };
 
 jQuery.extend = jQuery.fn.extend = function() {
-	var src, copyIsArray, copy, name, options, clone,
+	var options, name, src, copy, copyIsArray, clone,
 		target = arguments[ 0 ] || {},
 		i = 1,
 		length = arguments.length,
@@ -183,17 +261,17 @@ jQuery.extend = jQuery.fn.extend = function() {
 	if ( typeof target === "boolean" ) {
 		deep = target;
 
-		// skip the boolean and the target
+		// Skip the boolean and the target
 		target = arguments[ i ] || {};
 		i++;
 	}
 
 	// Handle case when target is a string or something (possible in deep copy)
-	if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
+	if ( typeof target !== "object" && !isFunction( target ) ) {
 		target = {};
 	}
 
-	// extend jQuery itself if only one argument is passed
+	// Extend jQuery itself if only one argument is passed
 	if ( i === length ) {
 		target = this;
 		i--;
@@ -206,25 +284,28 @@ jQuery.extend = jQuery.fn.extend = function() {
 
 			// Extend the base object
 			for ( name in options ) {
-				src = target[ name ];
 				copy = options[ name ];
 
+				// Prevent Object.prototype pollution
 				// Prevent never-ending loop
-				if ( target === copy ) {
+				if ( name === "__proto__" || target === copy ) {
 					continue;
 				}
 
 				// Recurse if we're merging plain objects or arrays
 				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
-					( copyIsArray = jQuery.isArray( copy ) ) ) ) {
-
-					if ( copyIsArray ) {
-						copyIsArray = false;
-						clone = src && jQuery.isArray( src ) ? src : [];
-
+					( copyIsArray = Array.isArray( copy ) ) ) ) {
+					src = target[ name ];
+
+					// Ensure proper type for the source value
+					if ( copyIsArray && !Array.isArray( src ) ) {
+						clone = [];
+					} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
+						clone = {};
 					} else {
-						clone = src && jQuery.isPlainObject( src ) ? src : {};
+						clone = src;
 					}
+					copyIsArray = false;
 
 					// Never move original objects, clone them
 					target[ name ] = jQuery.extend( deep, clone, copy );
@@ -255,110 +336,40 @@ jQuery.extend( {
 
 	noop: function() {},
 
-	// See test/unit/core.js for details concerning isFunction.
-	// Since version 1.3, DOM methods and functions like alert
-	// aren't supported. They return false on IE (#2968).
-	isFunction: function( obj ) {
-		return jQuery.type( obj ) === "function";
-	},
-
-	isArray: Array.isArray || function( obj ) {
-		return jQuery.type( obj ) === "array";
-	},
-
-	isWindow: function( obj ) {
-		/* jshint eqeqeq: false */
-		return obj != null && obj == obj.window;
-	},
-
-	isNumeric: function( obj ) {
-
-		// parseFloat NaNs numeric-cast false positives (null|true|false|"")
-		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
-		// subtraction forces infinities to NaN
-		// adding 1 corrects loss of precision from parseFloat (#15100)
-		var realStringObj = obj && obj.toString();
-		return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
-	},
-
-	isEmptyObject: function( obj ) {
-		var name;
-		for ( name in obj ) {
-			return false;
-		}
-		return true;
-	},
-
 	isPlainObject: function( obj ) {
-		var key;
+		var proto, Ctor;
 
-		// Must be an Object.
-		// Because of IE, we also have to check the presence of the constructor property.
-		// Make sure that DOM nodes and window objects don't pass through, as well
-		if ( !obj || jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
+		// Detect obvious negatives
+		// Use toString instead of jQuery.type to catch host objects
+		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
 			return false;
 		}
 
-		try {
-
-			// Not own constructor property must be Object
-			if ( obj.constructor &&
-				!hasOwn.call( obj, "constructor" ) &&
-				!hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
-				return false;
-			}
-		} catch ( e ) {
-
-			// IE8,9 Will throw exceptions on certain host objects #9897
-			return false;
-		}
+		proto = getProto( obj );
 
-		// Support: IE<9
-		// Handle iteration over inherited properties before own properties.
-		if ( !support.ownFirst ) {
-			for ( key in obj ) {
-				return hasOwn.call( obj, key );
-			}
+		// Objects with no prototype (e.g., `Object.create( null )`) are plain
+		if ( !proto ) {
+			return true;
 		}
 
-		// Own properties are enumerated firstly, so to speed up,
-		// if last one is own, then all properties are own.
-		for ( key in obj ) {}
-
-		return key === undefined || hasOwn.call( obj, key );
-	},
-
-	type: function( obj ) {
-		if ( obj == null ) {
-			return obj + "";
-		}
-		return typeof obj === "object" || typeof obj === "function" ?
-			class2type[ toString.call( obj ) ] || "object" :
-			typeof obj;
+		// Objects with prototype are plain iff they were constructed by a global Object function
+		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
 	},
 
-	// Workarounds based on findings by Jim Driscoll
-	// http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
-	globalEval: function( data ) {
-		if ( data && jQuery.trim( data ) ) {
+	isEmptyObject: function( obj ) {
+		var name;
 
-			// We use execScript on Internet Explorer
-			// We use an anonymous function so that context is window
-			// rather than jQuery in Firefox
-			( window.execScript || function( data ) {
-				window[ "eval" ].call( window, data ); // jscs:ignore requireDotNotation
-			} )( data );
+		for ( name in obj ) {
+			return false;
 		}
+		return true;
 	},
 
-	// Convert dashed to camelCase; used by the css and data modules
-	// Microsoft forgot to hump their vendor prefix (#9572)
-	camelCase: function( string ) {
-		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
-	},
-
-	nodeName: function( elem, name ) {
-		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+	// Evaluates a script in a provided context; falls back to the global one
+	// if not specified.
+	globalEval: function( code, options, doc ) {
+		DOMEval( code, { nonce: options && options.nonce }, doc );
 	},
 
 	each: function( obj, callback ) {
@@ -382,13 +393,6 @@ jQuery.extend( {
 		return obj;
 	},
 
-	// Support: Android<4.1, IE<9
-	trim: function( text ) {
-		return text == null ?
-			"" :
-			( text + "" ).replace( rtrim, "" );
-	},
-
 	// results is for internal usage only
 	makeArray: function( arr, results ) {
 		var ret = results || [];
@@ -408,43 +412,18 @@ jQuery.extend( {
 	},
 
 	inArray: function( elem, arr, i ) {
-		var len;
-
-		if ( arr ) {
-			if ( indexOf ) {
-				return indexOf.call( arr, elem, i );
-			}
-
-			len = arr.length;
-			i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
-
-			for ( ; i < len; i++ ) {
-
-				// Skip accessing in sparse arrays
-				if ( i in arr && arr[ i ] === elem ) {
-					return i;
-				}
-			}
-		}
-
-		return -1;
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
 	},
 
+	// Support: Android <=4.0 only, PhantomJS 1 only
+	// push.apply(_, arraylike) throws on ancient WebKit
 	merge: function( first, second ) {
 		var len = +second.length,
 			j = 0,
 			i = first.length;
 
-		while ( j < len ) {
-			first[ i++ ] = second[ j++ ];
-		}
-
-		// Support: IE<9
-		// Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
-		if ( len !== len ) {
-			while ( second[ j ] !== undefined ) {
-				first[ i++ ] = second[ j++ ];
-			}
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
 		}
 
 		first.length = i;
@@ -500,76 +479,37 @@ jQuery.extend( {
 		}
 
 		// Flatten any nested arrays
-		return concat.apply( [], ret );
+		return flat( ret );
 	},
 
 	// A global GUID counter for objects
 	guid: 1,
 
-	// Bind a function to a context, optionally partially applying any
-	// arguments.
-	proxy: function( fn, context ) {
-		var args, proxy, tmp;
-
-		if ( typeof context === "string" ) {
-			tmp = fn[ context ];
-			context = fn;
-			fn = tmp;
-		}
-
-		// Quick check to determine if target is callable, in the spec
-		// this throws a TypeError, but we will just return undefined.
-		if ( !jQuery.isFunction( fn ) ) {
-			return undefined;
-		}
-
-		// Simulated bind
-		args = slice.call( arguments, 2 );
-		proxy = function() {
-			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
-		};
-
-		// Set the guid of unique handler to the same of original handler, so it can be removed
-		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
-
-		return proxy;
-	},
-
-	now: function() {
-		return +( new Date() );
-	},
-
 	// jQuery.support is not used in Core but other projects attach their
 	// properties to it so it needs to exist.
 	support: support
 } );
 
-// JSHint would error on this code due to the Symbol not being defined in ES5.
-// Defining this global in .jshintrc would create a danger of using the global
-// unguarded in another place, it seems safer to just disable JSHint for these
-// three lines.
-/* jshint ignore: start */
 if ( typeof Symbol === "function" ) {
-	jQuery.fn[ Symbol.iterator ] = deletedIds[ Symbol.iterator ];
+	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
 }
-/* jshint ignore: end */
 
 // Populate the class2type map
 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
-function( i, name ) {
+function( _i, name ) {
 	class2type[ "[object " + name + "]" ] = name.toLowerCase();
 } );
 
 function isArrayLike( obj ) {
 
-	// Support: iOS 8.2 (not reproducible in simulator)
+	// Support: real iOS 8.2 only (not reproducible in simulator)
 	// `in` check used to prevent JIT error (gh-2145)
 	// hasOwn isn't used here due to false negatives
 	// regarding Nodelist length in IE
 	var length = !!obj && "length" in obj && obj.length,
-		type = jQuery.type( obj );
+		type = toType( obj );
 
-	if ( type === "function" || jQuery.isWindow( obj ) ) {
+	if ( isFunction( obj ) || isWindow( obj ) ) {
 		return false;
 	}
 
@@ -578,17 +518,16 @@ function isArrayLike( obj ) {
 }
 var Sizzle =
 /*!
- * Sizzle CSS Selector Engine v2.2.1
- * http://sizzlejs.com/
+ * Sizzle CSS Selector Engine v2.3.5
+ * https://sizzlejs.com/
  *
- * Copyright jQuery Foundation and other contributors
+ * Copyright JS Foundation and other contributors
  * Released under the MIT license
- * http://jquery.org/license
+ * https://js.foundation/
  *
- * Date: 2015-10-17
+ * Date: 2020-03-14
  */
-(function( window ) {
-
+( function( window ) {
 var i,
 	support,
 	Expr,
@@ -619,6 +558,7 @@ var i,
 	classCache = createCache(),
 	tokenCache = createCache(),
 	compilerCache = createCache(),
+	nonnativeSelectorCache = createCache(),
 	sortOrder = function( a, b ) {
 		if ( a === b ) {
 			hasDuplicate = true;
@@ -626,65 +566,72 @@ var i,
 		return 0;
 	},
 
-	// General-purpose constants
-	MAX_NEGATIVE = 1 << 31,
-
 	// Instance methods
-	hasOwn = ({}).hasOwnProperty,
+	hasOwn = ( {} ).hasOwnProperty,
 	arr = [],
 	pop = arr.pop,
-	push_native = arr.push,
+	pushNative = arr.push,
 	push = arr.push,
 	slice = arr.slice,
+
 	// Use a stripped-down indexOf as it's faster than native
-	// http://jsperf.com/thor-indexof-vs-for/5
+	// https://jsperf.com/thor-indexof-vs-for/5
 	indexOf = function( list, elem ) {
 		var i = 0,
 			len = list.length;
 		for ( ; i < len; i++ ) {
-			if ( list[i] === elem ) {
+			if ( list[ i ] === elem ) {
 				return i;
 			}
 		}
 		return -1;
 	},
 
-	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
+	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
+		"ismap|loop|multiple|open|readonly|required|scoped",
 
 	// Regular expressions
 
 	// http://www.w3.org/TR/css3-selectors/#whitespace
 	whitespace = "[\\x20\\t\\r\\n\\f]",
 
-	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
-	identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
+	// https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
+	identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
+		"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
 
 	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
 	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
+
 		// Operator (capture 2)
 		"*([*^$|!~]?=)" + whitespace +
-		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
-		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
-		"*\\]",
+
+		// "Attribute values must be CSS identifiers [capture 5]
+		// or strings [capture 3 or capture 4]"
+		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
+		whitespace + "*\\]",
 
 	pseudos = ":(" + identifier + ")(?:\\((" +
+
 		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
 		// 1. quoted (capture 3; capture 4 or capture 5)
 		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
+
 		// 2. simple (capture 6)
 		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
+
 		// 3. anything else (capture 2)
 		".*" +
 		")\\)|)",
 
 	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 	rwhitespace = new RegExp( whitespace + "+", "g" ),
-	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
+	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
+		whitespace + "+$", "g" ),
 
 	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
-	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
-
-	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
+	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
+		"*" ),
+	rdescend = new RegExp( whitespace + "|>" ),
 
 	rpseudo = new RegExp( pseudos ),
 	ridentifier = new RegExp( "^" + identifier + "$" ),
@@ -695,16 +642,19 @@ var i,
 		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
 		"ATTR": new RegExp( "^" + attributes ),
 		"PSEUDO": new RegExp( "^" + pseudos ),
-		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
-			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
-			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
+			whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
+			whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
 		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+
 		// For use in libraries implementing .is()
 		// We use this for POS matching in `select`
-		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
-			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
+		"needsContext": new RegExp( "^" + whitespace +
+			"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
+			"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 	},
 
+	rhtml = /HTML$/i,
 	rinputs = /^(?:input|select|textarea|button)$/i,
 	rheader = /^h\d$/i,
 
@@ -714,47 +664,79 @@ var i,
 	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 
 	rsibling = /[+~]/,
-	rescape = /'|\\/g,
-
-	// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
-	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
-	funescape = function( _, escaped, escapedWhitespace ) {
-		var high = "0x" + escaped - 0x10000;
-		// NaN means non-codepoint
-		// Support: Firefox<24
-		// Workaround erroneous numeric interpretation of +"0x"
-		return high !== high || escapedWhitespace ?
-			escaped :
+
+	// CSS escapes
+	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+	runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
+	funescape = function( escape, nonHex ) {
+		var high = "0x" + escape.slice( 1 ) - 0x10000;
+
+		return nonHex ?
+
+			// Strip the backslash prefix from a non-hex escape sequence
+			nonHex :
+
+			// Replace a hexadecimal escape sequence with the encoded Unicode code point
+			// Support: IE <=11+
+			// For values outside the Basic Multilingual Plane (BMP), manually construct a
+			// surrogate pair
 			high < 0 ?
-				// BMP codepoint
 				String.fromCharCode( high + 0x10000 ) :
-				// Supplemental Plane codepoint (surrogate pair)
 				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
 	},
 
+	// CSS string/identifier serialization
+	// https://drafts.csswg.org/cssom/#common-serializing-idioms
+	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
+	fcssescape = function( ch, asCodePoint ) {
+		if ( asCodePoint ) {
+
+			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
+			if ( ch === "\0" ) {
+				return "\uFFFD";
+			}
+
+			// Control characters and (dependent upon position) numbers get escaped as code points
+			return ch.slice( 0, -1 ) + "\\" +
+				ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
+		}
+
+		// Other potentially-special ASCII characters get backslash-escaped
+		return "\\" + ch;
+	},
+
 	// Used for iframes
 	// See setDocument()
 	// Removing the function wrapper causes a "Permission Denied"
 	// error in IE
 	unloadHandler = function() {
 		setDocument();
-	};
+	},
+
+	inDisabledFieldset = addCombinator(
+		function( elem ) {
+			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
+		},
+		{ dir: "parentNode", next: "legend" }
+	);
 
 // Optimize for push.apply( _, NodeList )
 try {
 	push.apply(
-		(arr = slice.call( preferredDoc.childNodes )),
+		( arr = slice.call( preferredDoc.childNodes ) ),
 		preferredDoc.childNodes
 	);
+
 	// Support: Android<4.0
 	// Detect silently failing push.apply
+	// eslint-disable-next-line no-unused-expressions
 	arr[ preferredDoc.childNodes.length ].nodeType;
 } catch ( e ) {
 	push = { apply: arr.length ?
 
 		// Leverage slice if possible
 		function( target, els ) {
-			push_native.apply( target, slice.call(els) );
+			pushNative.apply( target, slice.call( els ) );
 		} :
 
 		// Support: IE<9
@@ -762,15 +744,16 @@ try {
 		function( target, els ) {
 			var j = target.length,
 				i = 0;
+
 			// Can't trust NodeList.length
-			while ( (target[j++] = els[i++]) ) {}
+			while ( ( target[ j++ ] = els[ i++ ] ) ) {}
 			target.length = j - 1;
 		}
 	};
 }
 
 function Sizzle( selector, context, results, seed ) {
-	var m, i, elem, nid, nidselect, match, groups, newSelector,
+	var m, i, elem, nid, match, groups, newSelector,
 		newContext = context && context.ownerDocument,
 
 		// nodeType defaults to 9, since context defaults to document
@@ -787,24 +770,21 @@ function Sizzle( selector, context, results, seed ) {
 
 	// Try to shortcut find operations (as opposed to filters) in HTML documents
 	if ( !seed ) {
-
-		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
-			setDocument( context );
-		}
+		setDocument( context );
 		context = context || document;
 
 		if ( documentIsHTML ) {
 
 			// If the selector is sufficiently simple, try using a "get*By*" DOM method
 			// (excepting DocumentFragment context, where the methods don't exist)
-			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
+			if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
 
 				// ID selector
-				if ( (m = match[1]) ) {
+				if ( ( m = match[ 1 ] ) ) {
 
 					// Document context
 					if ( nodeType === 9 ) {
-						if ( (elem = context.getElementById( m )) ) {
+						if ( ( elem = context.getElementById( m ) ) ) {
 
 							// Support: IE, Opera, Webkit
 							// TODO: identify versions
@@ -823,7 +803,7 @@ function Sizzle( selector, context, results, seed ) {
 						// Support: IE, Opera, Webkit
 						// TODO: identify versions
 						// getElementById can match elements by name instead of ID
-						if ( newContext && (elem = newContext.getElementById( m )) &&
+						if ( newContext && ( elem = newContext.getElementById( m ) ) &&
 							contains( context, elem ) &&
 							elem.id === m ) {
 
@@ -833,12 +813,12 @@ function Sizzle( selector, context, results, seed ) {
 					}
 
 				// Type selector
-				} else if ( match[2] ) {
+				} else if ( match[ 2 ] ) {
 					push.apply( results, context.getElementsByTagName( selector ) );
 					return results;
 
 				// Class selector
-				} else if ( (m = match[3]) && support.getElementsByClassName &&
+				} else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
 					context.getElementsByClassName ) {
 
 					push.apply( results, context.getElementsByClassName( m ) );
@@ -848,51 +828,62 @@ function Sizzle( selector, context, results, seed ) {
 
 			// Take advantage of querySelectorAll
 			if ( support.qsa &&
-				!compilerCache[ selector + " " ] &&
-				(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
+				!nonnativeSelectorCache[ selector + " " ] &&
+				( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
 
-				if ( nodeType !== 1 ) {
-					newContext = context;
-					newSelector = selector;
-
-				// qSA looks outside Element context, which is not what we want
-				// Thanks to Andrew Dupont for this workaround technique
-				// Support: IE <=8
+				// Support: IE 8 only
 				// Exclude object elements
-				} else if ( context.nodeName.toLowerCase() !== "object" ) {
+				( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
 
-					// Capture the context ID, setting it first if necessary
-					if ( (nid = context.getAttribute( "id" )) ) {
-						nid = nid.replace( rescape, "\\$&" );
-					} else {
-						context.setAttribute( "id", (nid = expando) );
+				newSelector = selector;
+				newContext = context;
+
+				// qSA considers elements outside a scoping root when evaluating child or
+				// descendant combinators, which is not what we want.
+				// In such cases, we work around the behavior by prefixing every selector in the
+				// list with an ID selector referencing the scope context.
+				// The technique has to be used as well when a leading combinator is used
+				// as such selectors are not recognized by querySelectorAll.
+				// Thanks to Andrew Dupont for this technique.
+				if ( nodeType === 1 &&
+					( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
+
+					// Expand context for sibling selectors
+					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
+						context;
+
+					// We can use :scope instead of the ID hack if the browser
+					// supports it & if we're not changing the context.
+					if ( newContext !== context || !support.scope ) {
+
+						// Capture the context ID, setting it first if necessary
+						if ( ( nid = context.getAttribute( "id" ) ) ) {
+							nid = nid.replace( rcssescape, fcssescape );
+						} else {
+							context.setAttribute( "id", ( nid = expando ) );
+						}
 					}
 
 					// Prefix every selector in the list
 					groups = tokenize( selector );
 					i = groups.length;
-					nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']";
 					while ( i-- ) {
-						groups[i] = nidselect + " " + toSelector( groups[i] );
+						groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
+							toSelector( groups[ i ] );
 					}
 					newSelector = groups.join( "," );
-
-					// Expand context for sibling selectors
-					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
-						context;
 				}
 
-				if ( newSelector ) {
-					try {
-						push.apply( results,
-							newContext.querySelectorAll( newSelector )
-						);
-						return results;
-					} catch ( qsaError ) {
-					} finally {
-						if ( nid === expando ) {
-							context.removeAttribute( "id" );
-						}
+				try {
+					push.apply( results,
+						newContext.querySelectorAll( newSelector )
+					);
+					return results;
+				} catch ( qsaError ) {
+					nonnativeSelectorCache( selector, true );
+				} finally {
+					if ( nid === expando ) {
+						context.removeAttribute( "id" );
 					}
 				}
 			}
@@ -913,12 +904,14 @@ function createCache() {
 	var keys = [];
 
 	function cache( key, value ) {
+
 		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
 		if ( keys.push( key + " " ) > Expr.cacheLength ) {
+
 			// Only keep the most recent entries
 			delete cache[ keys.shift() ];
 		}
-		return (cache[ key + " " ] = value);
+		return ( cache[ key + " " ] = value );
 	}
 	return cache;
 }
@@ -934,22 +927,24 @@ function markFunction( fn ) {
 
 /**
  * Support testing using an element
- * @param {Function} fn Passed the created div and expects a boolean result
+ * @param {Function} fn Passed the created element and returns a boolean result
  */
 function assert( fn ) {
-	var div = document.createElement("div");
+	var el = document.createElement( "fieldset" );
 
 	try {
-		return !!fn( div );
-	} catch (e) {
+		return !!fn( el );
+	} catch ( e ) {
 		return false;
 	} finally {
+
 		// Remove from its parent by default
-		if ( div.parentNode ) {
-			div.parentNode.removeChild( div );
+		if ( el.parentNode ) {
+			el.parentNode.removeChild( el );
 		}
+
 		// release memory in IE
-		div = null;
+		el = null;
 	}
 }
 
@@ -959,11 +954,11 @@ function assert( fn ) {
  * @param {Function} handler The method that will be applied
  */
 function addHandle( attrs, handler ) {
-	var arr = attrs.split("|"),
+	var arr = attrs.split( "|" ),
 		i = arr.length;
 
 	while ( i-- ) {
-		Expr.attrHandle[ arr[i] ] = handler;
+		Expr.attrHandle[ arr[ i ] ] = handler;
 	}
 }
 
@@ -976,8 +971,7 @@ function addHandle( attrs, handler ) {
 function siblingCheck( a, b ) {
 	var cur = b && a,
 		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
-			( ~b.sourceIndex || MAX_NEGATIVE ) -
-			( ~a.sourceIndex || MAX_NEGATIVE );
+			a.sourceIndex - b.sourceIndex;
 
 	// Use IE sourceIndex if available on both nodes
 	if ( diff ) {
@@ -986,7 +980,7 @@ function siblingCheck( a, b ) {
 
 	// Check if b follows a
 	if ( cur ) {
-		while ( (cur = cur.nextSibling) ) {
+		while ( ( cur = cur.nextSibling ) ) {
 			if ( cur === b ) {
 				return -1;
 			}
@@ -1014,7 +1008,63 @@ function createInputPseudo( type ) {
 function createButtonPseudo( type ) {
 	return function( elem ) {
 		var name = elem.nodeName.toLowerCase();
-		return (name === "input" || name === "button") && elem.type === type;
+		return ( name === "input" || name === "button" ) && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for :enabled/:disabled
+ * @param {Boolean} disabled true for :disabled; false for :enabled
+ */
+function createDisabledPseudo( disabled ) {
+
+	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
+	return function( elem ) {
+
+		// Only certain elements can match :enabled or :disabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
+		if ( "form" in elem ) {
+
+			// Check for inherited disabledness on relevant non-disabled elements:
+			// * listed form-associated elements in a disabled fieldset
+			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
+			// * option elements in a disabled optgroup
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
+			// All such elements have a "form" property.
+			if ( elem.parentNode && elem.disabled === false ) {
+
+				// Option elements defer to a parent optgroup if present
+				if ( "label" in elem ) {
+					if ( "label" in elem.parentNode ) {
+						return elem.parentNode.disabled === disabled;
+					} else {
+						return elem.disabled === disabled;
+					}
+				}
+
+				// Support: IE 6 - 11
+				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
+				return elem.isDisabled === disabled ||
+
+					// Where there is no isDisabled, check manually
+					/* jshint -W018 */
+					elem.isDisabled !== !disabled &&
+					inDisabledFieldset( elem ) === disabled;
+			}
+
+			return elem.disabled === disabled;
+
+		// Try to winnow out elements that can't be disabled before trusting the disabled property.
+		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
+		// even exist on them, let alone have a boolean value.
+		} else if ( "label" in elem ) {
+			return elem.disabled === disabled;
+		}
+
+		// Remaining elements are neither :enabled nor :disabled
+		return false;
 	};
 }
 
@@ -1023,21 +1073,21 @@ function createButtonPseudo( type ) {
  * @param {Function} fn
  */
 function createPositionalPseudo( fn ) {
-	return markFunction(function( argument ) {
+	return markFunction( function( argument ) {
 		argument = +argument;
-		return markFunction(function( seed, matches ) {
+		return markFunction( function( seed, matches ) {
 			var j,
 				matchIndexes = fn( [], seed.length, argument ),
 				i = matchIndexes.length;
 
 			// Match elements found at the specified indexes
 			while ( i-- ) {
-				if ( seed[ (j = matchIndexes[i]) ] ) {
-					seed[j] = !(matches[j] = seed[j]);
+				if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
+					seed[ j ] = !( matches[ j ] = seed[ j ] );
 				}
 			}
-		});
-	});
+		} );
+	} );
 }
 
 /**
@@ -1058,10 +1108,13 @@ support = Sizzle.support = {};
  * @returns {Boolean} True iff elem is a non-HTML XML node
  */
 isXML = Sizzle.isXML = function( elem ) {
-	// documentElement is verified for cases where it doesn't yet exist
-	// (such as loading iframes in IE - #4833)
-	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
-	return documentElement ? documentElement.nodeName !== "HTML" : false;
+	var namespace = elem.namespaceURI,
+		docElem = ( elem.ownerDocument || elem ).documentElement;
+
+	// Support: IE <=8
+	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
+	// https://bugs.jquery.com/ticket/4833
+	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
 };
 
 /**
@@ -1070,11 +1123,15 @@ isXML = Sizzle.isXML = function( elem ) {
  * @returns {Object} Returns the current document
  */
 setDocument = Sizzle.setDocument = function( node ) {
-	var hasCompare, parent,
+	var hasCompare, subWindow,
 		doc = node ? node.ownerDocument || node : preferredDoc;
 
 	// Return early if doc is invalid or already selected
-	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
 		return document;
 	}
 
@@ -1083,82 +1140,125 @@ setDocument = Sizzle.setDocument = function( node ) {
 	docElem = document.documentElement;
 	documentIsHTML = !isXML( document );
 
-	// Support: IE 9-11, Edge
+	// Support: IE 9 - 11+, Edge 12 - 18+
 	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
-	if ( (parent = document.defaultView) && parent.top !== parent ) {
-		// Support: IE 11
-		if ( parent.addEventListener ) {
-			parent.addEventListener( "unload", unloadHandler, false );
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( preferredDoc != document &&
+		( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
+
+		// Support: IE 11, Edge
+		if ( subWindow.addEventListener ) {
+			subWindow.addEventListener( "unload", unloadHandler, false );
 
 		// Support: IE 9 - 10 only
-		} else if ( parent.attachEvent ) {
-			parent.attachEvent( "onunload", unloadHandler );
+		} else if ( subWindow.attachEvent ) {
+			subWindow.attachEvent( "onunload", unloadHandler );
 		}
 	}
 
+	// Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
+	// Safari 4 - 5 only, Opera <=11.6 - 12.x only
+	// IE/Edge & older browsers don't support the :scope pseudo-class.
+	// Support: Safari 6.0 only
+	// Safari 6.0 supports :scope but it's an alias of :root there.
+	support.scope = assert( function( el ) {
+		docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
+		return typeof el.querySelectorAll !== "undefined" &&
+			!el.querySelectorAll( ":scope fieldset div" ).length;
+	} );
+
 	/* Attributes
 	---------------------------------------------------------------------- */
 
 	// Support: IE<8
 	// Verify that getAttribute really returns attributes and not properties
 	// (excepting IE8 booleans)
-	support.attributes = assert(function( div ) {
-		div.className = "i";
-		return !div.getAttribute("className");
-	});
+	support.attributes = assert( function( el ) {
+		el.className = "i";
+		return !el.getAttribute( "className" );
+	} );
 
 	/* getElement(s)By*
 	---------------------------------------------------------------------- */
 
 	// Check if getElementsByTagName("*") returns only elements
-	support.getElementsByTagName = assert(function( div ) {
-		div.appendChild( document.createComment("") );
-		return !div.getElementsByTagName("*").length;
-	});
+	support.getElementsByTagName = assert( function( el ) {
+		el.appendChild( document.createComment( "" ) );
+		return !el.getElementsByTagName( "*" ).length;
+	} );
 
 	// Support: IE<9
 	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
 
 	// Support: IE<10
 	// Check if getElementById returns elements by name
-	// The broken getElementById methods don't pick up programatically-set names,
+	// The broken getElementById methods don't pick up programmatically-set names,
 	// so use a roundabout getElementsByName test
-	support.getById = assert(function( div ) {
-		docElem.appendChild( div ).id = expando;
+	support.getById = assert( function( el ) {
+		docElem.appendChild( el ).id = expando;
 		return !document.getElementsByName || !document.getElementsByName( expando ).length;
-	});
+	} );
 
-	// ID find and filter
+	// ID filter and find
 	if ( support.getById ) {
-		Expr.find["ID"] = function( id, context ) {
-			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
-				var m = context.getElementById( id );
-				return m ? [ m ] : [];
-			}
-		};
-		Expr.filter["ID"] = function( id ) {
+		Expr.filter[ "ID" ] = function( id ) {
 			var attrId = id.replace( runescape, funescape );
 			return function( elem ) {
-				return elem.getAttribute("id") === attrId;
+				return elem.getAttribute( "id" ) === attrId;
 			};
 		};
+		Expr.find[ "ID" ] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var elem = context.getElementById( id );
+				return elem ? [ elem ] : [];
+			}
+		};
 	} else {
-		// Support: IE6/7
-		// getElementById is not reliable as a find shortcut
-		delete Expr.find["ID"];
-
-		Expr.filter["ID"] =  function( id ) {
+		Expr.filter[ "ID" ] =  function( id ) {
 			var attrId = id.replace( runescape, funescape );
 			return function( elem ) {
 				var node = typeof elem.getAttributeNode !== "undefined" &&
-					elem.getAttributeNode("id");
+					elem.getAttributeNode( "id" );
 				return node && node.value === attrId;
 			};
 		};
+
+		// Support: IE 6 - 7 only
+		// getElementById is not reliable as a find shortcut
+		Expr.find[ "ID" ] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var node, i, elems,
+					elem = context.getElementById( id );
+
+				if ( elem ) {
+
+					// Verify the id attribute
+					node = elem.getAttributeNode( "id" );
+					if ( node && node.value === id ) {
+						return [ elem ];
+					}
+
+					// Fall back on getElementsByName
+					elems = context.getElementsByName( id );
+					i = 0;
+					while ( ( elem = elems[ i++ ] ) ) {
+						node = elem.getAttributeNode( "id" );
+						if ( node && node.value === id ) {
+							return [ elem ];
+						}
+					}
+				}
+
+				return [];
+			}
+		};
 	}
 
 	// Tag
-	Expr.find["TAG"] = support.getElementsByTagName ?
+	Expr.find[ "TAG" ] = support.getElementsByTagName ?
 		function( tag, context ) {
 			if ( typeof context.getElementsByTagName !== "undefined" ) {
 				return context.getElementsByTagName( tag );
@@ -1173,12 +1273,13 @@ setDocument = Sizzle.setDocument = function( node ) {
 			var elem,
 				tmp = [],
 				i = 0,
+
 				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
 				results = context.getElementsByTagName( tag );
 
 			// Filter out possible comments
 			if ( tag === "*" ) {
-				while ( (elem = results[i++]) ) {
+				while ( ( elem = results[ i++ ] ) ) {
 					if ( elem.nodeType === 1 ) {
 						tmp.push( elem );
 					}
@@ -1190,7 +1291,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 		};
 
 	// Class
-	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
+	Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
 		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
 			return context.getElementsByClassName( className );
 		}
@@ -1208,101 +1309,135 @@ setDocument = Sizzle.setDocument = function( node ) {
 	// We allow this because of a bug in IE8/9 that throws an error
 	// whenever `document.activeElement` is accessed on an iframe
 	// So, we allow :focus to pass through QSA all the time to avoid the IE error
-	// See http://bugs.jquery.com/ticket/13378
+	// See https://bugs.jquery.com/ticket/13378
 	rbuggyQSA = [];
 
-	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
+	if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
+
 		// Build QSA regex
 		// Regex strategy adopted from Diego Perini
-		assert(function( div ) {
+		assert( function( el ) {
+
+			var input;
+
 			// Select is set to empty string on purpose
 			// This is to test IE's treatment of not explicitly
 			// setting a boolean content attribute,
 			// since its presence should be enough
-			// http://bugs.jquery.com/ticket/12359
-			docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" +
+			// https://bugs.jquery.com/ticket/12359
+			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
 				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
 				"<option selected=''></option></select>";
 
 			// Support: IE8, Opera 11-12.16
 			// Nothing should be selected when empty strings follow ^= or $= or *=
 			// The test attribute must be unknown in Opera but "safe" for WinRT
-			// http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
-			if ( div.querySelectorAll("[msallowcapture^='']").length ) {
+			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
+			if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
 				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
 			}
 
 			// Support: IE8
 			// Boolean attributes and "value" are not treated correctly
-			if ( !div.querySelectorAll("[selected]").length ) {
+			if ( !el.querySelectorAll( "[selected]" ).length ) {
 				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
 			}
 
 			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
-			if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
-				rbuggyQSA.push("~=");
+			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
+				rbuggyQSA.push( "~=" );
+			}
+
+			// Support: IE 11+, Edge 15 - 18+
+			// IE 11/Edge don't find elements on a `[name='']` query in some cases.
+			// Adding a temporary attribute to the document before the selection works
+			// around the issue.
+			// Interestingly, IE 10 & older don't seem to have the issue.
+			input = document.createElement( "input" );
+			input.setAttribute( "name", "" );
+			el.appendChild( input );
+			if ( !el.querySelectorAll( "[name='']" ).length ) {
+				rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
+					whitespace + "*(?:''|\"\")" );
 			}
 
 			// Webkit/Opera - :checked should return selected option elements
 			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
 			// IE8 throws error here and will not see later tests
-			if ( !div.querySelectorAll(":checked").length ) {
-				rbuggyQSA.push(":checked");
+			if ( !el.querySelectorAll( ":checked" ).length ) {
+				rbuggyQSA.push( ":checked" );
 			}
 
 			// Support: Safari 8+, iOS 8+
 			// https://bugs.webkit.org/show_bug.cgi?id=136851
-			// In-page `selector#id sibing-combinator selector` fails
-			if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
-				rbuggyQSA.push(".#.+[+~]");
+			// In-page `selector#id sibling-combinator selector` fails
+			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
+				rbuggyQSA.push( ".#.+[+~]" );
 			}
-		});
 
-		assert(function( div ) {
+			// Support: Firefox <=3.6 - 5 only
+			// Old Firefox doesn't throw on a badly-escaped identifier.
+			el.querySelectorAll( "\\\f" );
+			rbuggyQSA.push( "[\\r\\n\\f]" );
+		} );
+
+		assert( function( el ) {
+			el.innerHTML = "<a href='' disabled='disabled'></a>" +
+				"<select disabled='disabled'><option/></select>";
+
 			// Support: Windows 8 Native Apps
 			// The type and name attributes are restricted during .innerHTML assignment
-			var input = document.createElement("input");
+			var input = document.createElement( "input" );
 			input.setAttribute( "type", "hidden" );
-			div.appendChild( input ).setAttribute( "name", "D" );
+			el.appendChild( input ).setAttribute( "name", "D" );
 
 			// Support: IE8
 			// Enforce case-sensitivity of name attribute
-			if ( div.querySelectorAll("[name=d]").length ) {
+			if ( el.querySelectorAll( "[name=d]" ).length ) {
 				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
 			}
 
 			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
 			// IE8 throws error here and will not see later tests
-			if ( !div.querySelectorAll(":enabled").length ) {
+			if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Support: IE9-11+
+			// IE's :disabled selector does not pick up the children of disabled fieldsets
+			docElem.appendChild( el ).disabled = true;
+			if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
 				rbuggyQSA.push( ":enabled", ":disabled" );
 			}
 
+			// Support: Opera 10 - 11 only
 			// Opera 10-11 does not throw on post-comma invalid pseudos
-			div.querySelectorAll("*,:x");
-			rbuggyQSA.push(",.*:");
-		});
+			el.querySelectorAll( "*,:x" );
+			rbuggyQSA.push( ",.*:" );
+		} );
 	}
 
-	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
+	if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
 		docElem.webkitMatchesSelector ||
 		docElem.mozMatchesSelector ||
 		docElem.oMatchesSelector ||
-		docElem.msMatchesSelector) )) ) {
+		docElem.msMatchesSelector ) ) ) ) {
+
+		assert( function( el ) {
 
-		assert(function( div ) {
 			// Check to see if it's possible to do matchesSelector
 			// on a disconnected node (IE 9)
-			support.disconnectedMatch = matches.call( div, "div" );
+			support.disconnectedMatch = matches.call( el, "*" );
 
 			// This should fail with an exception
 			// Gecko does not error, returns false instead
-			matches.call( div, "[s!='']:x" );
+			matches.call( el, "[s!='']:x" );
 			rbuggyMatches.push( "!=", pseudos );
-		});
+		} );
 	}
 
-	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
-	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
+	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
+	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
 
 	/* Contains
 	---------------------------------------------------------------------- */
@@ -1319,11 +1454,11 @@ setDocument = Sizzle.setDocument = function( node ) {
 				adown.contains ?
 					adown.contains( bup ) :
 					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
-			));
+			) );
 		} :
 		function( a, b ) {
 			if ( b ) {
-				while ( (b = b.parentNode) ) {
+				while ( ( b = b.parentNode ) ) {
 					if ( b === a ) {
 						return true;
 					}
@@ -1352,7 +1487,11 @@ setDocument = Sizzle.setDocument = function( node ) {
 		}
 
 		// Calculate position if both inputs belong to the same document
-		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+		// Support: IE 11+, Edge 17 - 18+
+		// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+		// two documents; shallow comparisons work.
+		// eslint-disable-next-line eqeqeq
+		compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
 			a.compareDocumentPosition( b ) :
 
 			// Otherwise we know they are disconnected
@@ -1360,13 +1499,24 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 		// Disconnected nodes
 		if ( compare & 1 ||
-			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+			( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
 
 			// Choose the first element that is related to our preferred document
-			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			// eslint-disable-next-line eqeqeq
+			if ( a == document || a.ownerDocument == preferredDoc &&
+				contains( preferredDoc, a ) ) {
 				return -1;
 			}
-			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			// eslint-disable-next-line eqeqeq
+			if ( b == document || b.ownerDocument == preferredDoc &&
+				contains( preferredDoc, b ) ) {
 				return 1;
 			}
 
@@ -1379,6 +1529,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 		return compare & 4 ? -1 : 1;
 	} :
 	function( a, b ) {
+
 		// Exit early if the nodes are identical
 		if ( a === b ) {
 			hasDuplicate = true;
@@ -1394,8 +1545,14 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 		// Parentless nodes are either documents or disconnected
 		if ( !aup || !bup ) {
-			return a === document ? -1 :
-				b === document ? 1 :
+
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			/* eslint-disable eqeqeq */
+			return a == document ? -1 :
+				b == document ? 1 :
+				/* eslint-enable eqeqeq */
 				aup ? -1 :
 				bup ? 1 :
 				sortInput ?
@@ -1409,26 +1566,32 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 		// Otherwise we need full lists of their ancestors for comparison
 		cur = a;
-		while ( (cur = cur.parentNode) ) {
+		while ( ( cur = cur.parentNode ) ) {
 			ap.unshift( cur );
 		}
 		cur = b;
-		while ( (cur = cur.parentNode) ) {
+		while ( ( cur = cur.parentNode ) ) {
 			bp.unshift( cur );
 		}
 
 		// Walk down the tree looking for a discrepancy
-		while ( ap[i] === bp[i] ) {
+		while ( ap[ i ] === bp[ i ] ) {
 			i++;
 		}
 
 		return i ?
+
 			// Do a sibling check if the nodes have a common ancestor
-			siblingCheck( ap[i], bp[i] ) :
+			siblingCheck( ap[ i ], bp[ i ] ) :
 
 			// Otherwise nodes in our document sort first
-			ap[i] === preferredDoc ? -1 :
-			bp[i] === preferredDoc ? 1 :
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			/* eslint-disable eqeqeq */
+			ap[ i ] == preferredDoc ? -1 :
+			bp[ i ] == preferredDoc ? 1 :
+			/* eslint-enable eqeqeq */
 			0;
 	};
 
@@ -1440,16 +1603,10 @@ Sizzle.matches = function( expr, elements ) {
 };
 
 Sizzle.matchesSelector = function( elem, expr ) {
-	// Set document vars if needed
-	if ( ( elem.ownerDocument || elem ) !== document ) {
-		setDocument( elem );
-	}
-
-	// Make sure that attribute selectors are quoted
-	expr = expr.replace( rattributeQuotes, "='$1']" );
+	setDocument( elem );
 
 	if ( support.matchesSelector && documentIsHTML &&
-		!compilerCache[ expr + " " ] &&
+		!nonnativeSelectorCache[ expr + " " ] &&
 		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
 		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
 
@@ -1458,32 +1615,46 @@ Sizzle.matchesSelector = function( elem, expr ) {
 
 			// IE 9's matchesSelector returns false on disconnected nodes
 			if ( ret || support.disconnectedMatch ||
-					// As well, disconnected nodes are said to be in a document
-					// fragment in IE 9
-					elem.document && elem.document.nodeType !== 11 ) {
+
+				// As well, disconnected nodes are said to be in a document
+				// fragment in IE 9
+				elem.document && elem.document.nodeType !== 11 ) {
 				return ret;
 			}
-		} catch (e) {}
+		} catch ( e ) {
+			nonnativeSelectorCache( expr, true );
+		}
 	}
 
 	return Sizzle( expr, document, null, [ elem ] ).length > 0;
 };
 
 Sizzle.contains = function( context, elem ) {
+
 	// Set document vars if needed
-	if ( ( context.ownerDocument || context ) !== document ) {
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( ( context.ownerDocument || context ) != document ) {
 		setDocument( context );
 	}
 	return contains( context, elem );
 };
 
 Sizzle.attr = function( elem, name ) {
+
 	// Set document vars if needed
-	if ( ( elem.ownerDocument || elem ) !== document ) {
+	// Support: IE 11+, Edge 17 - 18+
+	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// two documents; shallow comparisons work.
+	// eslint-disable-next-line eqeqeq
+	if ( ( elem.ownerDocument || elem ) != document ) {
 		setDocument( elem );
 	}
 
 	var fn = Expr.attrHandle[ name.toLowerCase() ],
+
 		// Don't get fooled by Object.prototype properties (jQuery #13807)
 		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
 			fn( elem, name, !documentIsHTML ) :
@@ -1493,11 +1664,15 @@ Sizzle.attr = function( elem, name ) {
 		val :
 		support.attributes || !documentIsHTML ?
 			elem.getAttribute( name ) :
-			(val = elem.getAttributeNode(name)) && val.specified ?
+			( val = elem.getAttributeNode( name ) ) && val.specified ?
 				val.value :
 				null;
 };
 
+Sizzle.escape = function( sel ) {
+	return ( sel + "" ).replace( rcssescape, fcssescape );
+};
+
 Sizzle.error = function( msg ) {
 	throw new Error( "Syntax error, unrecognized expression: " + msg );
 };
@@ -1518,7 +1693,7 @@ Sizzle.uniqueSort = function( results ) {
 	results.sort( sortOrder );
 
 	if ( hasDuplicate ) {
-		while ( (elem = results[i++]) ) {
+		while ( ( elem = results[ i++ ] ) ) {
 			if ( elem === results[ i ] ) {
 				j = duplicates.push( i );
 			}
@@ -1546,17 +1721,21 @@ getText = Sizzle.getText = function( elem ) {
 		nodeType = elem.nodeType;
 
 	if ( !nodeType ) {
+
 		// If no nodeType, this is expected to be an array
-		while ( (node = elem[i++]) ) {
+		while ( ( node = elem[ i++ ] ) ) {
+
 			// Do not traverse comment nodes
 			ret += getText( node );
 		}
 	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+
 		// Use textContent for elements
 		// innerText usage removed for consistency of new lines (jQuery #11153)
 		if ( typeof elem.textContent === "string" ) {
 			return elem.textContent;
 		} else {
+
 			// Traverse its children
 			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
 				ret += getText( elem );
@@ -1565,6 +1744,7 @@ getText = Sizzle.getText = function( elem ) {
 	} else if ( nodeType === 3 || nodeType === 4 ) {
 		return elem.nodeValue;
 	}
+
 	// Do not include comment or processing instruction nodes
 
 	return ret;
@@ -1592,19 +1772,21 @@ Expr = Sizzle.selectors = {
 
 	preFilter: {
 		"ATTR": function( match ) {
-			match[1] = match[1].replace( runescape, funescape );
+			match[ 1 ] = match[ 1 ].replace( runescape, funescape );
 
 			// Move the given value to match[3] whether quoted or unquoted
-			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
+			match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
+				match[ 5 ] || "" ).replace( runescape, funescape );
 
-			if ( match[2] === "~=" ) {
-				match[3] = " " + match[3] + " ";
+			if ( match[ 2 ] === "~=" ) {
+				match[ 3 ] = " " + match[ 3 ] + " ";
 			}
 
 			return match.slice( 0, 4 );
 		},
 
 		"CHILD": function( match ) {
+
 			/* matches from matchExpr["CHILD"]
 				1 type (only|nth|...)
 				2 what (child|of-type)
@@ -1615,22 +1797,25 @@ Expr = Sizzle.selectors = {
 				7 sign of y-component
 				8 y of y-component
 			*/
-			match[1] = match[1].toLowerCase();
+			match[ 1 ] = match[ 1 ].toLowerCase();
+
+			if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
 
-			if ( match[1].slice( 0, 3 ) === "nth" ) {
 				// nth-* requires argument
-				if ( !match[3] ) {
-					Sizzle.error( match[0] );
+				if ( !match[ 3 ] ) {
+					Sizzle.error( match[ 0 ] );
 				}
 
 				// numeric x and y parameters for Expr.filter.CHILD
 				// remember that false/true cast respectively to 0/1
-				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
-				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
+				match[ 4 ] = +( match[ 4 ] ?
+					match[ 5 ] + ( match[ 6 ] || 1 ) :
+					2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
+				match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
 
-			// other types prohibit arguments
-			} else if ( match[3] ) {
-				Sizzle.error( match[0] );
+				// other types prohibit arguments
+			} else if ( match[ 3 ] ) {
+				Sizzle.error( match[ 0 ] );
 			}
 
 			return match;
@@ -1638,26 +1823,28 @@ Expr = Sizzle.selectors = {
 
 		"PSEUDO": function( match ) {
 			var excess,
-				unquoted = !match[6] && match[2];
+				unquoted = !match[ 6 ] && match[ 2 ];
 
-			if ( matchExpr["CHILD"].test( match[0] ) ) {
+			if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
 				return null;
 			}
 
 			// Accept quoted arguments as-is
-			if ( match[3] ) {
-				match[2] = match[4] || match[5] || "";
+			if ( match[ 3 ] ) {
+				match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
 
 			// Strip excess characters from unquoted arguments
 			} else if ( unquoted && rpseudo.test( unquoted ) &&
+
 				// Get excess from tokenize (recursively)
-				(excess = tokenize( unquoted, true )) &&
+				( excess = tokenize( unquoted, true ) ) &&
+
 				// advance to the next closing parenthesis
-				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
+				( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
 
 				// excess is a negative index
-				match[0] = match[0].slice( 0, excess );
-				match[2] = unquoted.slice( 0, excess );
+				match[ 0 ] = match[ 0 ].slice( 0, excess );
+				match[ 2 ] = unquoted.slice( 0, excess );
 			}
 
 			// Return only captures needed by the pseudo filter method (type and argument)
@@ -1670,7 +1857,9 @@ Expr = Sizzle.selectors = {
 		"TAG": function( nodeNameSelector ) {
 			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
 			return nodeNameSelector === "*" ?
-				function() { return true; } :
+				function() {
+					return true;
+				} :
 				function( elem ) {
 					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
 				};
@@ -1680,10 +1869,16 @@ Expr = Sizzle.selectors = {
 			var pattern = classCache[ className + " " ];
 
 			return pattern ||
-				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
-				classCache( className, function( elem ) {
-					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
-				});
+				( pattern = new RegExp( "(^|" + whitespace +
+					")" + className + "(" + whitespace + "|$)" ) ) && classCache(
+						className, function( elem ) {
+							return pattern.test(
+								typeof elem.className === "string" && elem.className ||
+								typeof elem.getAttribute !== "undefined" &&
+									elem.getAttribute( "class" ) ||
+								""
+							);
+				} );
 		},
 
 		"ATTR": function( name, operator, check ) {
@@ -1699,6 +1894,8 @@ Expr = Sizzle.selectors = {
 
 				result += "";
 
+				/* eslint-disable max-len */
+
 				return operator === "=" ? result === check :
 					operator === "!=" ? result !== check :
 					operator === "^=" ? check && result.indexOf( check ) === 0 :
@@ -1707,10 +1904,12 @@ Expr = Sizzle.selectors = {
 					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
 					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
 					false;
+				/* eslint-enable max-len */
+
 			};
 		},
 
-		"CHILD": function( type, what, argument, first, last ) {
+		"CHILD": function( type, what, _argument, first, last ) {
 			var simple = type.slice( 0, 3 ) !== "nth",
 				forward = type.slice( -4 ) !== "last",
 				ofType = what === "of-type";
@@ -1722,7 +1921,7 @@ Expr = Sizzle.selectors = {
 					return !!elem.parentNode;
 				} :
 
-				function( elem, context, xml ) {
+				function( elem, _context, xml ) {
 					var cache, uniqueCache, outerCache, node, nodeIndex, start,
 						dir = simple !== forward ? "nextSibling" : "previousSibling",
 						parent = elem.parentNode,
@@ -1736,7 +1935,7 @@ Expr = Sizzle.selectors = {
 						if ( simple ) {
 							while ( dir ) {
 								node = elem;
-								while ( (node = node[ dir ]) ) {
+								while ( ( node = node[ dir ] ) ) {
 									if ( ofType ?
 										node.nodeName.toLowerCase() === name :
 										node.nodeType === 1 ) {
@@ -1744,6 +1943,7 @@ Expr = Sizzle.selectors = {
 										return false;
 									}
 								}
+
 								// Reverse direction for :only-* (if we haven't yet done so)
 								start = dir = type === "only" && !start && "nextSibling";
 							}
@@ -1759,22 +1959,22 @@ Expr = Sizzle.selectors = {
 
 							// ...in a gzip-friendly way
 							node = parent;
-							outerCache = node[ expando ] || (node[ expando ] = {});
+							outerCache = node[ expando ] || ( node[ expando ] = {} );
 
 							// Support: IE <9 only
 							// Defend against cloned attroperties (jQuery gh-1709)
 							uniqueCache = outerCache[ node.uniqueID ] ||
-								(outerCache[ node.uniqueID ] = {});
+								( outerCache[ node.uniqueID ] = {} );
 
 							cache = uniqueCache[ type ] || [];
 							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
 							diff = nodeIndex && cache[ 2 ];
 							node = nodeIndex && parent.childNodes[ nodeIndex ];
 
-							while ( (node = ++nodeIndex && node && node[ dir ] ||
+							while ( ( node = ++nodeIndex && node && node[ dir ] ||
 
 								// Fallback to seeking `elem` from the start
-								(diff = nodeIndex = 0) || start.pop()) ) {
+								( diff = nodeIndex = 0 ) || start.pop() ) ) {
 
 								// When found, cache indexes on `parent` and break
 								if ( node.nodeType === 1 && ++diff && node === elem ) {
@@ -1784,16 +1984,18 @@ Expr = Sizzle.selectors = {
 							}
 
 						} else {
+
 							// Use previously-cached element index if available
 							if ( useCache ) {
+
 								// ...in a gzip-friendly way
 								node = elem;
-								outerCache = node[ expando ] || (node[ expando ] = {});
+								outerCache = node[ expando ] || ( node[ expando ] = {} );
 
 								// Support: IE <9 only
 								// Defend against cloned attroperties (jQuery gh-1709)
 								uniqueCache = outerCache[ node.uniqueID ] ||
-									(outerCache[ node.uniqueID ] = {});
+									( outerCache[ node.uniqueID ] = {} );
 
 								cache = uniqueCache[ type ] || [];
 								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
@@ -1803,9 +2005,10 @@ Expr = Sizzle.selectors = {
 							// xml :nth-child(...)
 							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
 							if ( diff === false ) {
+
 								// Use the same loop as above to seek `elem` from the start
-								while ( (node = ++nodeIndex && node && node[ dir ] ||
-									(diff = nodeIndex = 0) || start.pop()) ) {
+								while ( ( node = ++nodeIndex && node && node[ dir ] ||
+									( diff = nodeIndex = 0 ) || start.pop() ) ) {
 
 									if ( ( ofType ?
 										node.nodeName.toLowerCase() === name :
@@ -1814,12 +2017,13 @@ Expr = Sizzle.selectors = {
 
 										// Cache the index of each encountered element
 										if ( useCache ) {
-											outerCache = node[ expando ] || (node[ expando ] = {});
+											outerCache = node[ expando ] ||
+												( node[ expando ] = {} );
 
 											// Support: IE <9 only
 											// Defend against cloned attroperties (jQuery gh-1709)
 											uniqueCache = outerCache[ node.uniqueID ] ||
-												(outerCache[ node.uniqueID ] = {});
+												( outerCache[ node.uniqueID ] = {} );
 
 											uniqueCache[ type ] = [ dirruns, diff ];
 										}
@@ -1840,6 +2044,7 @@ Expr = Sizzle.selectors = {
 		},
 
 		"PSEUDO": function( pseudo, argument ) {
+
 			// pseudo-class names are case-insensitive
 			// http://www.w3.org/TR/selectors/#pseudo-classes
 			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
@@ -1859,15 +2064,15 @@ Expr = Sizzle.selectors = {
 			if ( fn.length > 1 ) {
 				args = [ pseudo, pseudo, "", argument ];
 				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
-					markFunction(function( seed, matches ) {
+					markFunction( function( seed, matches ) {
 						var idx,
 							matched = fn( seed, argument ),
 							i = matched.length;
 						while ( i-- ) {
-							idx = indexOf( seed, matched[i] );
-							seed[ idx ] = !( matches[ idx ] = matched[i] );
+							idx = indexOf( seed, matched[ i ] );
+							seed[ idx ] = !( matches[ idx ] = matched[ i ] );
 						}
-					}) :
+					} ) :
 					function( elem ) {
 						return fn( elem, 0, args );
 					};
@@ -1878,8 +2083,10 @@ Expr = Sizzle.selectors = {
 	},
 
 	pseudos: {
+
 		// Potentially complex pseudos
-		"not": markFunction(function( selector ) {
+		"not": markFunction( function( selector ) {
+
 			// Trim the selector passed to compile
 			// to avoid treating leading and trailing
 			// spaces as combinators
@@ -1888,39 +2095,40 @@ Expr = Sizzle.selectors = {
 				matcher = compile( selector.replace( rtrim, "$1" ) );
 
 			return matcher[ expando ] ?
-				markFunction(function( seed, matches, context, xml ) {
+				markFunction( function( seed, matches, _context, xml ) {
 					var elem,
 						unmatched = matcher( seed, null, xml, [] ),
 						i = seed.length;
 
 					// Match elements unmatched by `matcher`
 					while ( i-- ) {
-						if ( (elem = unmatched[i]) ) {
-							seed[i] = !(matches[i] = elem);
+						if ( ( elem = unmatched[ i ] ) ) {
+							seed[ i ] = !( matches[ i ] = elem );
 						}
 					}
-				}) :
-				function( elem, context, xml ) {
-					input[0] = elem;
+				} ) :
+				function( elem, _context, xml ) {
+					input[ 0 ] = elem;
 					matcher( input, null, xml, results );
+
 					// Don't keep the element (issue #299)
-					input[0] = null;
+					input[ 0 ] = null;
 					return !results.pop();
 				};
-		}),
+		} ),
 
-		"has": markFunction(function( selector ) {
+		"has": markFunction( function( selector ) {
 			return function( elem ) {
 				return Sizzle( selector, elem ).length > 0;
 			};
-		}),
+		} ),
 
-		"contains": markFunction(function( text ) {
+		"contains": markFunction( function( text ) {
 			text = text.replace( runescape, funescape );
 			return function( elem ) {
-				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
+				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
 			};
-		}),
+		} ),
 
 		// "Whether an element is represented by a :lang() selector
 		// is based solely on the element's language value
@@ -1930,25 +2138,26 @@ Expr = Sizzle.selectors = {
 		// The identifier C does not have to be a valid language name."
 		// http://www.w3.org/TR/selectors/#lang-pseudo
 		"lang": markFunction( function( lang ) {
+
 			// lang value must be a valid identifier
-			if ( !ridentifier.test(lang || "") ) {
+			if ( !ridentifier.test( lang || "" ) ) {
 				Sizzle.error( "unsupported lang: " + lang );
 			}
 			lang = lang.replace( runescape, funescape ).toLowerCase();
 			return function( elem ) {
 				var elemLang;
 				do {
-					if ( (elemLang = documentIsHTML ?
+					if ( ( elemLang = documentIsHTML ?
 						elem.lang :
-						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
+						elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
 
 						elemLang = elemLang.toLowerCase();
 						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
 					}
-				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
+				} while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
 				return false;
 			};
-		}),
+		} ),
 
 		// Miscellaneous
 		"target": function( elem ) {
@@ -1961,29 +2170,30 @@ Expr = Sizzle.selectors = {
 		},
 
 		"focus": function( elem ) {
-			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+			return elem === document.activeElement &&
+				( !document.hasFocus || document.hasFocus() ) &&
+				!!( elem.type || elem.href || ~elem.tabIndex );
 		},
 
 		// Boolean properties
-		"enabled": function( elem ) {
-			return elem.disabled === false;
-		},
-
-		"disabled": function( elem ) {
-			return elem.disabled === true;
-		},
+		"enabled": createDisabledPseudo( false ),
+		"disabled": createDisabledPseudo( true ),
 
 		"checked": function( elem ) {
+
 			// In CSS3, :checked should return both checked and selected elements
 			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
 			var nodeName = elem.nodeName.toLowerCase();
-			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
+			return ( nodeName === "input" && !!elem.checked ) ||
+				( nodeName === "option" && !!elem.selected );
 		},
 
 		"selected": function( elem ) {
+
 			// Accessing this property makes selected-by-default
 			// options in Safari work properly
 			if ( elem.parentNode ) {
+				// eslint-disable-next-line no-unused-expressions
 				elem.parentNode.selectedIndex;
 			}
 
@@ -1992,6 +2202,7 @@ Expr = Sizzle.selectors = {
 
 		// Contents
 		"empty": function( elem ) {
+
 			// http://www.w3.org/TR/selectors/#empty-pseudo
 			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
 			//   but not by others (comment: 8; processing instruction: 7; etc.)
@@ -2005,7 +2216,7 @@ Expr = Sizzle.selectors = {
 		},
 
 		"parent": function( elem ) {
-			return !Expr.pseudos["empty"]( elem );
+			return !Expr.pseudos[ "empty" ]( elem );
 		},
 
 		// Element/input types
@@ -2029,57 +2240,62 @@ Expr = Sizzle.selectors = {
 
 				// Support: IE<8
 				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
-				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
+				( ( attr = elem.getAttribute( "type" ) ) == null ||
+					attr.toLowerCase() === "text" );
 		},
 
 		// Position-in-collection
-		"first": createPositionalPseudo(function() {
+		"first": createPositionalPseudo( function() {
 			return [ 0 ];
-		}),
+		} ),
 
-		"last": createPositionalPseudo(function( matchIndexes, length ) {
+		"last": createPositionalPseudo( function( _matchIndexes, length ) {
 			return [ length - 1 ];
-		}),
+		} ),
 
-		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
+		"eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
 			return [ argument < 0 ? argument + length : argument ];
-		}),
+		} ),
 
-		"even": createPositionalPseudo(function( matchIndexes, length ) {
+		"even": createPositionalPseudo( function( matchIndexes, length ) {
 			var i = 0;
 			for ( ; i < length; i += 2 ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		}),
+		} ),
 
-		"odd": createPositionalPseudo(function( matchIndexes, length ) {
+		"odd": createPositionalPseudo( function( matchIndexes, length ) {
 			var i = 1;
 			for ( ; i < length; i += 2 ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		}),
+		} ),
 
-		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
-			var i = argument < 0 ? argument + length : argument;
+		"lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
+			var i = argument < 0 ?
+				argument + length :
+				argument > length ?
+					length :
+					argument;
 			for ( ; --i >= 0; ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		}),
+		} ),
 
-		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+		"gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
 			var i = argument < 0 ? argument + length : argument;
 			for ( ; ++i < length; ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
-		})
+		} )
 	}
 };
 
-Expr.pseudos["nth"] = Expr.pseudos["eq"];
+Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
 
 // Add button/input type pseudos
 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
@@ -2110,37 +2326,39 @@ tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
 	while ( soFar ) {
 
 		// Comma and first run
-		if ( !matched || (match = rcomma.exec( soFar )) ) {
+		if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
 			if ( match ) {
+
 				// Don't consume trailing commas as valid
-				soFar = soFar.slice( match[0].length ) || soFar;
+				soFar = soFar.slice( match[ 0 ].length ) || soFar;
 			}
-			groups.push( (tokens = []) );
+			groups.push( ( tokens = [] ) );
 		}
 
 		matched = false;
 
 		// Combinators
-		if ( (match = rcombinators.exec( soFar )) ) {
+		if ( ( match = rcombinators.exec( soFar ) ) ) {
 			matched = match.shift();
-			tokens.push({
+			tokens.push( {
 				value: matched,
+
 				// Cast descendant combinators to space
-				type: match[0].replace( rtrim, " " )
-			});
+				type: match[ 0 ].replace( rtrim, " " )
+			} );
 			soFar = soFar.slice( matched.length );
 		}
 
 		// Filters
 		for ( type in Expr.filter ) {
-			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
-				(match = preFilters[ type ]( match ))) ) {
+			if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
+				( match = preFilters[ type ]( match ) ) ) ) {
 				matched = match.shift();
-				tokens.push({
+				tokens.push( {
 					value: matched,
 					type: type,
 					matches: match
-				});
+				} );
 				soFar = soFar.slice( matched.length );
 			}
 		}
@@ -2157,6 +2375,7 @@ tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
 		soFar.length :
 		soFar ?
 			Sizzle.error( selector ) :
+
 			// Cache the tokens
 			tokenCache( selector, groups ).slice( 0 );
 };
@@ -2166,24 +2385,28 @@ function toSelector( tokens ) {
 		len = tokens.length,
 		selector = "";
 	for ( ; i < len; i++ ) {
-		selector += tokens[i].value;
+		selector += tokens[ i ].value;
 	}
 	return selector;
 }
 
 function addCombinator( matcher, combinator, base ) {
 	var dir = combinator.dir,
-		checkNonElements = base && dir === "parentNode",
+		skip = combinator.next,
+		key = skip || dir,
+		checkNonElements = base && key === "parentNode",
 		doneName = done++;
 
 	return combinator.first ?
+
 		// Check against closest ancestor/preceding element
 		function( elem, context, xml ) {
-			while ( (elem = elem[ dir ]) ) {
+			while ( ( elem = elem[ dir ] ) ) {
 				if ( elem.nodeType === 1 || checkNonElements ) {
 					return matcher( elem, context, xml );
 				}
 			}
+			return false;
 		} :
 
 		// Check against all ancestor/preceding elements
@@ -2193,7 +2416,7 @@ function addCombinator( matcher, combinator, base ) {
 
 			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
 			if ( xml ) {
-				while ( (elem = elem[ dir ]) ) {
+				while ( ( elem = elem[ dir ] ) ) {
 					if ( elem.nodeType === 1 || checkNonElements ) {
 						if ( matcher( elem, context, xml ) ) {
 							return true;
@@ -2201,31 +2424,36 @@ function addCombinator( matcher, combinator, base ) {
 					}
 				}
 			} else {
-				while ( (elem = elem[ dir ]) ) {
+				while ( ( elem = elem[ dir ] ) ) {
 					if ( elem.nodeType === 1 || checkNonElements ) {
-						outerCache = elem[ expando ] || (elem[ expando ] = {});
+						outerCache = elem[ expando ] || ( elem[ expando ] = {} );
 
 						// Support: IE <9 only
 						// Defend against cloned attroperties (jQuery gh-1709)
-						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
+						uniqueCache = outerCache[ elem.uniqueID ] ||
+							( outerCache[ elem.uniqueID ] = {} );
 
-						if ( (oldCache = uniqueCache[ dir ]) &&
+						if ( skip && skip === elem.nodeName.toLowerCase() ) {
+							elem = elem[ dir ] || elem;
+						} else if ( ( oldCache = uniqueCache[ key ] ) &&
 							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
 
 							// Assign to newCache so results back-propagate to previous elements
-							return (newCache[ 2 ] = oldCache[ 2 ]);
+							return ( newCache[ 2 ] = oldCache[ 2 ] );
 						} else {
+
 							// Reuse newcache so results back-propagate to previous elements
-							uniqueCache[ dir ] = newCache;
+							uniqueCache[ key ] = newCache;
 
 							// A match means we're done; a fail means we have to keep checking
-							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
+							if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
 								return true;
 							}
 						}
 					}
 				}
 			}
+			return false;
 		};
 }
 
@@ -2234,20 +2462,20 @@ function elementMatcher( matchers ) {
 		function( elem, context, xml ) {
 			var i = matchers.length;
 			while ( i-- ) {
-				if ( !matchers[i]( elem, context, xml ) ) {
+				if ( !matchers[ i ]( elem, context, xml ) ) {
 					return false;
 				}
 			}
 			return true;
 		} :
-		matchers[0];
+		matchers[ 0 ];
 }
 
 function multipleContexts( selector, contexts, results ) {
 	var i = 0,
 		len = contexts.length;
 	for ( ; i < len; i++ ) {
-		Sizzle( selector, contexts[i], results );
+		Sizzle( selector, contexts[ i ], results );
 	}
 	return results;
 }
@@ -2260,7 +2488,7 @@ function condense( unmatched, map, filter, context, xml ) {
 		mapped = map != null;
 
 	for ( ; i < len; i++ ) {
-		if ( (elem = unmatched[i]) ) {
+		if ( ( elem = unmatched[ i ] ) ) {
 			if ( !filter || filter( elem, context, xml ) ) {
 				newUnmatched.push( elem );
 				if ( mapped ) {
@@ -2280,14 +2508,18 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 	if ( postFinder && !postFinder[ expando ] ) {
 		postFinder = setMatcher( postFinder, postSelector );
 	}
-	return markFunction(function( seed, results, context, xml ) {
+	return markFunction( function( seed, results, context, xml ) {
 		var temp, i, elem,
 			preMap = [],
 			postMap = [],
 			preexisting = results.length,
 
 			// Get initial elements from seed or context
-			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
+			elems = seed || multipleContexts(
+				selector || "*",
+				context.nodeType ? [ context ] : context,
+				[]
+			),
 
 			// Prefilter to get matcher input, preserving a map for seed-results synchronization
 			matcherIn = preFilter && ( seed || !selector ) ?
@@ -2295,6 +2527,7 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 				elems,
 
 			matcherOut = matcher ?
+
 				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
 				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
 
@@ -2318,8 +2551,8 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 			// Un-match failing elements by moving them back to matcherIn
 			i = temp.length;
 			while ( i-- ) {
-				if ( (elem = temp[i]) ) {
-					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
+				if ( ( elem = temp[ i ] ) ) {
+					matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
 				}
 			}
 		}
@@ -2327,25 +2560,27 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 		if ( seed ) {
 			if ( postFinder || preFilter ) {
 				if ( postFinder ) {
+
 					// Get the final matcherOut by condensing this intermediate into postFinder contexts
 					temp = [];
 					i = matcherOut.length;
 					while ( i-- ) {
-						if ( (elem = matcherOut[i]) ) {
+						if ( ( elem = matcherOut[ i ] ) ) {
+
 							// Restore matcherIn since elem is not yet a final match
-							temp.push( (matcherIn[i] = elem) );
+							temp.push( ( matcherIn[ i ] = elem ) );
 						}
 					}
-					postFinder( null, (matcherOut = []), temp, xml );
+					postFinder( null, ( matcherOut = [] ), temp, xml );
 				}
 
 				// Move matched elements from seed to results to keep them synchronized
 				i = matcherOut.length;
 				while ( i-- ) {
-					if ( (elem = matcherOut[i]) &&
-						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
+					if ( ( elem = matcherOut[ i ] ) &&
+						( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
 
-						seed[temp] = !(results[temp] = elem);
+						seed[ temp ] = !( results[ temp ] = elem );
 					}
 				}
 			}
@@ -2363,14 +2598,14 @@ function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postS
 				push.apply( results, matcherOut );
 			}
 		}
-	});
+	} );
 }
 
 function matcherFromTokens( tokens ) {
 	var checkContext, matcher, j,
 		len = tokens.length,
-		leadingRelative = Expr.relative[ tokens[0].type ],
-		implicitRelative = leadingRelative || Expr.relative[" "],
+		leadingRelative = Expr.relative[ tokens[ 0 ].type ],
+		implicitRelative = leadingRelative || Expr.relative[ " " ],
 		i = leadingRelative ? 1 : 0,
 
 		// The foundational matcher ensures that elements are reachable from top-level context(s)
@@ -2382,38 +2617,43 @@ function matcherFromTokens( tokens ) {
 		}, implicitRelative, true ),
 		matchers = [ function( elem, context, xml ) {
 			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
-				(checkContext = context).nodeType ?
+				( checkContext = context ).nodeType ?
 					matchContext( elem, context, xml ) :
 					matchAnyContext( elem, context, xml ) );
+
 			// Avoid hanging onto element (issue #299)
 			checkContext = null;
 			return ret;
 		} ];
 
 	for ( ; i < len; i++ ) {
-		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
-			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
+		if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
+			matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
 		} else {
-			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
+			matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
 
 			// Return special upon seeing a positional matcher
 			if ( matcher[ expando ] ) {
+
 				// Find the next relative operator (if any) for proper handling
 				j = ++i;
 				for ( ; j < len; j++ ) {
-					if ( Expr.relative[ tokens[j].type ] ) {
+					if ( Expr.relative[ tokens[ j ].type ] ) {
 						break;
 					}
 				}
 				return setMatcher(
 					i > 1 && elementMatcher( matchers ),
 					i > 1 && toSelector(
-						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
-						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
+
+					// If the preceding token was a descendant combinator, insert an implicit any-element `*`
+					tokens
+						.slice( 0, i - 1 )
+						.concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
 					).replace( rtrim, "$1" ),
 					matcher,
 					i < j && matcherFromTokens( tokens.slice( i, j ) ),
-					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
+					j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
 					j < len && toSelector( tokens )
 				);
 			}
@@ -2434,28 +2674,40 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 				unmatched = seed && [],
 				setMatched = [],
 				contextBackup = outermostContext,
+
 				// We must always have either seed elements or outermost context
-				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
+				elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
+
 				// Use integer dirruns iff this is the outermost matcher
-				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+				dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
 				len = elems.length;
 
 			if ( outermost ) {
-				outermostContext = context === document || context || outermost;
+
+				// Support: IE 11+, Edge 17 - 18+
+				// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+				// two documents; shallow comparisons work.
+				// eslint-disable-next-line eqeqeq
+				outermostContext = context == document || context || outermost;
 			}
 
 			// Add elements passing elementMatchers directly to results
 			// Support: IE<9, Safari
 			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
-			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
+			for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
 				if ( byElement && elem ) {
 					j = 0;
-					if ( !context && elem.ownerDocument !== document ) {
+
+					// Support: IE 11+, Edge 17 - 18+
+					// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+					// two documents; shallow comparisons work.
+					// eslint-disable-next-line eqeqeq
+					if ( !context && elem.ownerDocument != document ) {
 						setDocument( elem );
 						xml = !documentIsHTML;
 					}
-					while ( (matcher = elementMatchers[j++]) ) {
-						if ( matcher( elem, context || document, xml) ) {
+					while ( ( matcher = elementMatchers[ j++ ] ) ) {
+						if ( matcher( elem, context || document, xml ) ) {
 							results.push( elem );
 							break;
 						}
@@ -2467,8 +2719,9 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 
 				// Track unmatched elements for set filters
 				if ( bySet ) {
+
 					// They will have gone through all possible matchers
-					if ( (elem = !matcher && elem) ) {
+					if ( ( elem = !matcher && elem ) ) {
 						matchedCount--;
 					}
 
@@ -2492,16 +2745,17 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 			// numerically zero.
 			if ( bySet && i !== matchedCount ) {
 				j = 0;
-				while ( (matcher = setMatchers[j++]) ) {
+				while ( ( matcher = setMatchers[ j++ ] ) ) {
 					matcher( unmatched, setMatched, context, xml );
 				}
 
 				if ( seed ) {
+
 					// Reintegrate element matches to eliminate the need for sorting
 					if ( matchedCount > 0 ) {
 						while ( i-- ) {
-							if ( !(unmatched[i] || setMatched[i]) ) {
-								setMatched[i] = pop.call( results );
+							if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
+								setMatched[ i ] = pop.call( results );
 							}
 						}
 					}
@@ -2542,13 +2796,14 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 		cached = compilerCache[ selector + " " ];
 
 	if ( !cached ) {
+
 		// Generate a function of recursive functions that can be used to check each element
 		if ( !match ) {
 			match = tokenize( selector );
 		}
 		i = match.length;
 		while ( i-- ) {
-			cached = matcherFromTokens( match[i] );
+			cached = matcherFromTokens( match[ i ] );
 			if ( cached[ expando ] ) {
 				setMatchers.push( cached );
 			} else {
@@ -2557,7 +2812,10 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 		}
 
 		// Cache the compiled function
-		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+		cached = compilerCache(
+			selector,
+			matcherFromGroupMatchers( elementMatchers, setMatchers )
+		);
 
 		// Save selector and tokenization
 		cached.selector = selector;
@@ -2577,7 +2835,7 @@ compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 select = Sizzle.select = function( selector, context, results, seed ) {
 	var i, tokens, token, type, find,
 		compiled = typeof selector === "function" && selector,
-		match = !seed && tokenize( (selector = compiled.selector || selector) );
+		match = !seed && tokenize( ( selector = compiled.selector || selector ) );
 
 	results = results || [];
 
@@ -2586,12 +2844,12 @@ select = Sizzle.select = function( selector, context, results, seed ) {
 	if ( match.length === 1 ) {
 
 		// Reduce context if the leading compound selector is an ID
-		tokens = match[0] = match[0].slice( 0 );
-		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
-				support.getById && context.nodeType === 9 && documentIsHTML &&
-				Expr.relative[ tokens[1].type ] ) {
+		tokens = match[ 0 ] = match[ 0 ].slice( 0 );
+		if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
+			context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
 
-			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+			context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
+				.replace( runescape, funescape ), context ) || [] )[ 0 ];
 			if ( !context ) {
 				return results;
 
@@ -2604,20 +2862,22 @@ select = Sizzle.select = function( selector, context, results, seed ) {
 		}
 
 		// Fetch a seed set for right-to-left matching
-		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+		i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
 		while ( i-- ) {
-			token = tokens[i];
+			token = tokens[ i ];
 
 			// Abort if we hit a combinator
-			if ( Expr.relative[ (type = token.type) ] ) {
+			if ( Expr.relative[ ( type = token.type ) ] ) {
 				break;
 			}
-			if ( (find = Expr.find[ type ]) ) {
+			if ( ( find = Expr.find[ type ] ) ) {
+
 				// Search, expanding context for leading sibling combinators
-				if ( (seed = find(
-					token.matches[0].replace( runescape, funescape ),
-					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
-				)) ) {
+				if ( ( seed = find(
+					token.matches[ 0 ].replace( runescape, funescape ),
+					rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
+						context