PDF.js version 1.8.499 - See mozilla/pdf.js@d6a6f390ae9a39554b73a942860f67badbef1b4b

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.8.497",
+  "version": "1.8.499",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"

build/pdf.combined.js

@@ -13125,8 +13125,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '1.8.497';
-  exports.build = build = 'f2fcf2a5';
+  exports.version = version = '1.8.499';
+  exports.build = build = 'd6a6f390';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;
@@ -28630,8 +28630,8 @@ if (!_util.globalScope.PDFJS) {
 }
 var PDFJS = _util.globalScope.PDFJS;
 {
-  PDFJS.version = '1.8.497';
-  PDFJS.build = 'f2fcf2a5';
+  PDFJS.version = '1.8.499';
+  PDFJS.build = 'd6a6f390';
 }
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {
@@ -47250,8 +47250,8 @@ exports.TilingPattern = TilingPattern;
 "use strict";
 
 
-var pdfjsVersion = '1.8.497';
-var pdfjsBuild = 'f2fcf2a5';
+var pdfjsVersion = '1.8.499';
+var pdfjsBuild = 'd6a6f390';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayGlobal = __w_pdfjs_require__(26);
 var pdfjsDisplayAPI = __w_pdfjs_require__(10);

build/pdf.js

@@ -3854,8 +3854,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '1.8.497';
-  exports.build = build = 'f2fcf2a5';
+  exports.version = version = '1.8.499';
+  exports.build = build = 'd6a6f390';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;
@@ -5912,8 +5912,8 @@ if (!_util.globalScope.PDFJS) {
 }
 var PDFJS = _util.globalScope.PDFJS;
 {
-  PDFJS.version = '1.8.497';
-  PDFJS.build = 'f2fcf2a5';
+  PDFJS.version = '1.8.499';
+  PDFJS.build = 'd6a6f390';
 }
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {
@@ -11452,8 +11452,8 @@ exports.TilingPattern = TilingPattern;
 "use strict";
 
 
-var pdfjsVersion = '1.8.497';
-var pdfjsBuild = 'f2fcf2a5';
+var pdfjsVersion = '1.8.499';
+var pdfjsBuild = 'd6a6f390';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayGlobal = __w_pdfjs_require__(9);
 var pdfjsDisplayAPI = __w_pdfjs_require__(3);

build/pdf.worker.js

@@ -40403,8 +40403,8 @@ exports.Type1Parser = Type1Parser;
 "use strict";
 
 
-var pdfjsVersion = '1.8.497';
-var pdfjsBuild = 'f2fcf2a5';
+var pdfjsVersion = '1.8.499';
+var pdfjsBuild = 'd6a6f390';
 var pdfjsCoreWorker = __w_pdfjs_require__(8);
 {
   __w_pdfjs_require__(19);

lib/display/api.js

@@ -1480,8 +1480,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '1.8.497';
-  exports.build = build = 'f2fcf2a5';
+  exports.version = version = '1.8.499';
+  exports.build = build = 'd6a6f390';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;

lib/display/global.js

@@ -39,8 +39,8 @@ if (!_util.globalScope.PDFJS) {
 }
 var PDFJS = _util.globalScope.PDFJS;
 {
-  PDFJS.version = '1.8.497';
-  PDFJS.build = 'f2fcf2a5';
+  PDFJS.version = '1.8.499';
+  PDFJS.build = 'd6a6f390';
 }
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {

lib/pdf.js

@@ -14,8 +14,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '1.8.497';
-var pdfjsBuild = 'f2fcf2a5';
+var pdfjsVersion = '1.8.499';
+var pdfjsBuild = 'd6a6f390';
 var pdfjsSharedUtil = require('./shared/util.js');
 var pdfjsDisplayGlobal = require('./display/global.js');
 var pdfjsDisplayAPI = require('./display/api.js');

lib/pdf.worker.js

@@ -14,8 +14,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '1.8.497';
-var pdfjsBuild = 'f2fcf2a5';
+var pdfjsVersion = '1.8.499';
+var pdfjsBuild = 'd6a6f390';
 var pdfjsCoreWorker = require('./core/worker.js');
 {
   require('./core/network.js');

lib/web/app.js

@@ -396,7 +396,7 @@ var PDFViewerApplication = {
     return this.externalServices.supportsDocumentColors;
   },
   get loadingBar() {
-    var bar = new _ui_utils.ProgressBar('#loadingBar', {});
+    var bar = new _ui_utils.ProgressBar('#loadingBar');
     return (0, _pdf.shadow)(this, 'loadingBar', bar);
   },
   get supportedMouseWheelZoomModifierKeys() {

lib/web/ui_utils.js

@@ -19,8 +19,12 @@ Object.defineProperty(exports, "__esModule", {
 });
 exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.cloneObj = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
 
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
 var _pdf = require('../pdf');
 
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
 var CSS_UNITS = 96.0 / 72.0;
 var DEFAULT_SCALE_VALUE = 'auto';
 var DEFAULT_SCALE = 1.0;
@@ -69,16 +73,17 @@ function getOutputScale(ctx) {
     scaled: pixelRatio !== 1
   };
 }
-function scrollIntoView(element, spot, skipOverflowHiddenElements) {
+function scrollIntoView(element, spot) {
+  var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
   var parent = element.offsetParent;
   if (!parent) {
     console.error('offsetParent is not set -- cannot scroll');
     return;
   }
-  var checkOverflow = skipOverflowHiddenElements || false;
   var offsetY = element.offsetTop + element.clientTop;
   var offsetX = element.offsetLeft + element.clientLeft;
-  while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') {
+  while (parent.clientHeight === parent.scrollHeight || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
     if (parent.dataset._scaleY) {
       offsetY /= parent.dataset._scaleY;
       offsetX /= parent.dataset._scaleX;
@@ -128,7 +133,7 @@ function watchScroll(viewAreaElement, callback) {
 }
 function parseQueryString(query) {
   var parts = query.split('&');
-  var params = {};
+  var params = Object.create(null);
   for (var i = 0, ii = parts.length; i < ii; ++i) {
     var param = parts[i].split('=');
     var key = param[0].toLowerCase();
@@ -187,7 +192,7 @@ function approximateFraction(x) {
       b = q;
     }
   }
-  var result;
+  var result = void 0;
   if (x_ - a / b < c / d - x_) {
     result = x_ === x ? [a, b] : [b, a];
   } else {
@@ -199,7 +204,9 @@ function roundToDivide(x, div) {
   var r = x % div;
   return r === 0 ? x : Math.round(x - r + div);
 }
-function getVisibleElements(scrollEl, views, sortByVisibility) {
+function getVisibleElements(scrollEl, views) {
+  var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
   var top = scrollEl.scrollTop,
       bottom = top + scrollEl.clientHeight;
   var left = scrollEl.scrollLeft,
@@ -210,10 +217,14 @@ function getVisibleElements(scrollEl, views, sortByVisibility) {
     return elementBottom > top;
   }
   var visible = [],
-      view,
-      element;
-  var currentHeight, viewHeight, hiddenHeight, percentHeight;
-  var currentWidth, viewWidth;
+      view = void 0,
+      element = void 0;
+  var currentHeight = void 0,
+      viewHeight = void 0,
+      hiddenHeight = void 0,
+      percentHeight = void 0;
+  var currentWidth = void 0,
+      viewWidth = void 0;
   var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
   for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
     view = views[i];
@@ -255,8 +266,8 @@ function getVisibleElements(scrollEl, views, sortByVisibility) {
     views: visible
   };
 }
-function noContextMenuHandler(e) {
-  e.preventDefault();
+function noContextMenuHandler(evt) {
+  evt.preventDefault();
 }
 function isDataSchema(url) {
   var i = 0,
@@ -282,7 +293,7 @@ function getPDFFileNameFromURL(url) {
     if (suggestedFilename.indexOf('%') !== -1) {
       try {
         suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
-      } catch (e) {}
+      } catch (ex) {}
     }
   }
   return suggestedFilename || defaultFilename;
@@ -305,7 +316,7 @@ function normalizeWheelEventDelta(evt) {
   return delta;
 }
 function cloneObj(obj) {
-  var result = {};
+  var result = Object.create(null);
   for (var i in obj) {
     if (Object.prototype.hasOwnProperty.call(obj, i)) {
       result[i] = obj[i];
@@ -316,30 +327,39 @@ function cloneObj(obj) {
 var animationStarted = new Promise(function (resolve) {
   window.requestAnimationFrame(resolve);
 });
-var mozL10n;
+var mozL10n = void 0;
 var localized = Promise.resolve();
-var EventBus = function EventBusClosure() {
+
+var EventBus = function () {
   function EventBus() {
+    _classCallCheck(this, EventBus);
+
     this._listeners = Object.create(null);
   }
-  EventBus.prototype = {
-    on: function EventBus_on(eventName, listener) {
+
+  _createClass(EventBus, [{
+    key: 'on',
+    value: function on(eventName, listener) {
       var eventListeners = this._listeners[eventName];
       if (!eventListeners) {
         eventListeners = [];
         this._listeners[eventName] = eventListeners;
       }
       eventListeners.push(listener);
-    },
-    off: function EventBus_on(eventName, listener) {
+    }
+  }, {
+    key: 'off',
+    value: function off(eventName, listener) {
       var eventListeners = this._listeners[eventName];
-      var i;
+      var i = void 0;
       if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
         return;
       }
       eventListeners.splice(i, 1);
-    },
-    dispatch: function EventBus_dispath(eventName) {
+    }
+  }, {
+    key: 'dispatch',
+    value: function dispatch(eventName) {
       var eventListeners = this._listeners[eventName];
       if (!eventListeners || eventListeners.length === 0) {
         return;
@@ -349,25 +369,37 @@ var EventBus = function EventBusClosure() {
         listener.apply(null, args);
       });
     }
-  };
+  }]);
+
   return EventBus;
 }();
-var ProgressBar = function ProgressBarClosure() {
-  function clamp(v, min, max) {
-    return Math.min(Math.max(v, min), max);
-  }
-  function ProgressBar(id, opts) {
+
+function clamp(v, min, max) {
+  return Math.min(Math.max(v, min), max);
+}
+
+var ProgressBar = function () {
+  function ProgressBar(id) {
+    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        height = _ref.height,
+        width = _ref.width,
+        units = _ref.units;
+
+    _classCallCheck(this, ProgressBar);
+
     this.visible = true;
     this.div = document.querySelector(id + ' .progress');
     this.bar = this.div.parentNode;
-    this.height = opts.height || 100;
-    this.width = opts.width || 100;
-    this.units = opts.units || '%';
+    this.height = height || 100;
+    this.width = width || 100;
+    this.units = units || '%';
     this.div.style.height = this.height + this.units;
     this.percent = 0;
   }
-  ProgressBar.prototype = {
-    updateBar: function ProgressBar_updateBar() {
+
+  _createClass(ProgressBar, [{
+    key: '_updateBar',
+    value: function _updateBar() {
       if (this._indeterminate) {
         this.div.classList.add('indeterminate');
         this.div.style.width = this.width + this.units;
@@ -376,33 +408,32 @@ var ProgressBar = function ProgressBarClosure() {
       this.div.classList.remove('indeterminate');
       var progressSize = this.width * this._percent / 100;
       this.div.style.width = progressSize + this.units;
-    },
-    get percent() {
-      return this._percent;
-    },
-    set percent(val) {
-      this._indeterminate = isNaN(val);
-      this._percent = clamp(val, 0, 100);
-      this.updateBar();
-    },
-    setWidth: function ProgressBar_setWidth(viewer) {
-      if (viewer) {
-        var container = viewer.parentNode;
-        var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
-        if (scrollbarWidth > 0) {
-          this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
-        }
+    }
+  }, {
+    key: 'setWidth',
+    value: function setWidth(viewer) {
+      if (!viewer) {
+        return;
       }
-    },
-    hide: function ProgressBar_hide() {
+      var container = viewer.parentNode;
+      var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+      if (scrollbarWidth > 0) {
+        this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
+      }
+    }
+  }, {
+    key: 'hide',
+    value: function hide() {
       if (!this.visible) {
         return;
       }
       this.visible = false;
       this.bar.classList.add('hidden');
       document.body.classList.remove('loadingInProgress');
-    },
-    show: function ProgressBar_show() {
+    }
+  }, {
+    key: 'show',
+    value: function show() {
       if (this.visible) {
         return;
       }
@@ -410,9 +441,21 @@ var ProgressBar = function ProgressBarClosure() {
       document.body.classList.add('loadingInProgress');
       this.bar.classList.remove('hidden');
     }
-  };
+  }, {
+    key: 'percent',
+    get: function get() {
+      return this._percent;
+    },
+    set: function set(val) {
+      this._indeterminate = isNaN(val);
+      this._percent = clamp(val, 0, 100);
+      this._updateBar();
+    }
+  }]);
+
   return ProgressBar;
 }();
+
 exports.CSS_UNITS = CSS_UNITS;
 exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
 exports.DEFAULT_SCALE = DEFAULT_SCALE;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.8.497",
+  "version": "1.8.499",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [

web/pdf_viewer.js

@@ -122,8 +122,12 @@ Object.defineProperty(exports, "__esModule", {
 });
 exports.localized = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.mozL10n = exports.RendererType = exports.cloneObj = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
 
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
 var _pdfjsLib = __w_pdfjs_require__(0);
 
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
 var CSS_UNITS = 96.0 / 72.0;
 var DEFAULT_SCALE_VALUE = 'auto';
 var DEFAULT_SCALE = 1.0;
@@ -172,16 +176,17 @@ function getOutputScale(ctx) {
     scaled: pixelRatio !== 1
   };
 }
-function scrollIntoView(element, spot, skipOverflowHiddenElements) {
+function scrollIntoView(element, spot) {
+  var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
   var parent = element.offsetParent;
   if (!parent) {
     console.error('offsetParent is not set -- cannot scroll');
     return;
   }
-  var checkOverflow = skipOverflowHiddenElements || false;
   var offsetY = element.offsetTop + element.clientTop;
   var offsetX = element.offsetLeft + element.clientLeft;
-  while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') {
+  while (parent.clientHeight === parent.scrollHeight || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
     if (parent.dataset._scaleY) {
       offsetY /= parent.dataset._scaleY;
       offsetX /= parent.dataset._scaleX;
@@ -231,7 +236,7 @@ function watchScroll(viewAreaElement, callback) {
 }
 function parseQueryString(query) {
   var parts = query.split('&');
-  var params = {};
+  var params = Object.create(null);
   for (var i = 0, ii = parts.length; i < ii; ++i) {
     var param = parts[i].split('=');
     var key = param[0].toLowerCase();
@@ -290,7 +295,7 @@ function approximateFraction(x) {
       b = q;
     }
   }
-  var result;
+  var result = void 0;
   if (x_ - a / b < c / d - x_) {
     result = x_ === x ? [a, b] : [b, a];
   } else {
@@ -302,7 +307,9 @@ function roundToDivide(x, div) {
   var r = x % div;
   return r === 0 ? x : Math.round(x - r + div);
 }
-function getVisibleElements(scrollEl, views, sortByVisibility) {
+function getVisibleElements(scrollEl, views) {
+  var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
   var top = scrollEl.scrollTop,
       bottom = top + scrollEl.clientHeight;
   var left = scrollEl.scrollLeft,
@@ -313,10 +320,14 @@ function getVisibleElements(scrollEl, views, sortByVisibility) {
     return elementBottom > top;
   }
   var visible = [],
-      view,
-      element;
-  var currentHeight, viewHeight, hiddenHeight, percentHeight;
-  var currentWidth, viewWidth;
+      view = void 0,
+      element = void 0;
+  var currentHeight = void 0,
+      viewHeight = void 0,
+      hiddenHeight = void 0,
+      percentHeight = void 0;
+  var currentWidth = void 0,
+      viewWidth = void 0;
   var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
   for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
     view = views[i];
@@ -358,8 +369,8 @@ function getVisibleElements(scrollEl, views, sortByVisibility) {
     views: visible
   };
 }
-function noContextMenuHandler(e) {
-  e.preventDefault();
+function noContextMenuHandler(evt) {
+  evt.preventDefault();
 }
 function isDataSchema(url) {
   var i = 0,
@@ -385,7 +396,7 @@ function getPDFFileNameFromURL(url) {
     if (suggestedFilename.indexOf('%') !== -1) {
       try {
         suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
-      } catch (e) {}
+      } catch (ex) {}
     }
   }
   return suggestedFilename || defaultFilename;
@@ -408,7 +419,7 @@ function normalizeWheelEventDelta(evt) {
   return delta;
 }
 function cloneObj(obj) {
-  var result = {};
+  var result = Object.create(null);
   for (var i in obj) {
     if (Object.prototype.hasOwnProperty.call(obj, i)) {
       result[i] = obj[i];
@@ -419,30 +430,39 @@ function cloneObj(obj) {
 var animationStarted = new Promise(function (resolve) {
   window.requestAnimationFrame(resolve);
 });
-var mozL10n;
+var mozL10n = void 0;
 var localized = Promise.resolve();
-var EventBus = function EventBusClosure() {
+
+var EventBus = function () {
   function EventBus() {
+    _classCallCheck(this, EventBus);
+
     this._listeners = Object.create(null);
   }
-  EventBus.prototype = {
-    on: function EventBus_on(eventName, listener) {
+
+  _createClass(EventBus, [{
+    key: 'on',
+    value: function on(eventName, listener) {
       var eventListeners = this._listeners[eventName];
       if (!eventListeners) {
         eventListeners = [];
         this._listeners[eventName] = eventListeners;
       }
       eventListeners.push(listener);
-    },
-    off: function EventBus_on(eventName, listener) {
+    }
+  }, {
+    key: 'off',
+    value: function off(eventName, listener) {
       var eventListeners = this._listeners[eventName];
-      var i;
+      var i = void 0;
       if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
         return;
       }
       eventListeners.splice(i, 1);
-    },
-    dispatch: function EventBus_dispath(eventName) {
+    }
+  }, {
+    key: 'dispatch',
+    value: function dispatch(eventName) {
       var eventListeners = this._listeners[eventName];
       if (!eventListeners || eventListeners.length === 0) {
         return;
@@ -452,25 +472,37 @@ var EventBus = function EventBusClosure() {
         listener.apply(null, args);
       });
     }
-  };
+  }]);
+
   return EventBus;
 }();
-var ProgressBar = function ProgressBarClosure() {
-  function clamp(v, min, max) {
-    return Math.min(Math.max(v, min), max);
-  }
-  function ProgressBar(id, opts) {
+
+function clamp(v, min, max) {
+  return Math.min(Math.max(v, min), max);
+}
+
+var ProgressBar = function () {
+  function ProgressBar(id) {
+    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        height = _ref.height,
+        width = _ref.width,
+        units = _ref.units;
+
+    _classCallCheck(this, ProgressBar);
+
     this.visible = true;
     this.div = document.querySelector(id + ' .progress');
     this.bar = this.div.parentNode;
-    this.height = opts.height || 100;
-    this.width = opts.width || 100;
-    this.units = opts.units || '%';
+    this.height = height || 100;
+    this.width = width || 100;
+    this.units = units || '%';
     this.div.style.height = this.height + this.units;
     this.percent = 0;
   }
-  ProgressBar.prototype = {
-    updateBar: function ProgressBar_updateBar() {
+
+  _createClass(ProgressBar, [{
+    key: '_updateBar',
+    value: function _updateBar() {
       if (this._indeterminate) {
         this.div.classList.add('indeterminate');
         this.div.style.width = this.width + this.units;
@@ -479,33 +511,32 @@ var ProgressBar = function ProgressBarClosure() {
       this.div.classList.remove('indeterminate');
       var progressSize = this.width * this._percent / 100;
       this.div.style.width = progressSize + this.units;
-    },
-    get percent() {
-      return this._percent;
-    },
-    set percent(val) {
-      this._indeterminate = isNaN(val);
-      this._percent = clamp(val, 0, 100);
-      this.updateBar();
-    },
-    setWidth: function ProgressBar_setWidth(viewer) {
-      if (viewer) {
-        var container = viewer.parentNode;
-        var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
-        if (scrollbarWidth > 0) {
-          this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
-        }
+    }
+  }, {
+    key: 'setWidth',
+    value: function setWidth(viewer) {
+      if (!viewer) {
+        return;
       }
-    },
-    hide: function ProgressBar_hide() {
+      var container = viewer.parentNode;
+      var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+      if (scrollbarWidth > 0) {
+        this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
+      }
+    }
+  }, {
+    key: 'hide',
+    value: function hide() {
       if (!this.visible) {
         return;
       }
       this.visible = false;
       this.bar.classList.add('hidden');
       document.body.classList.remove('loadingInProgress');
-    },
-    show: function ProgressBar_show() {
+    }
+  }, {
+    key: 'show',
+    value: function show() {
       if (this.visible) {
         return;
       }
@@ -513,9 +544,21 @@ var ProgressBar = function ProgressBarClosure() {
       document.body.classList.add('loadingInProgress');
       this.bar.classList.remove('hidden');
     }
-  };
+  }, {
+    key: 'percent',
+    get: function get() {
+      return this._percent;
+    },
+    set: function set(val) {
+      this._indeterminate = isNaN(val);
+      this._percent = clamp(val, 0, 100);
+      this._updateBar();
+    }
+  }]);
+
   return ProgressBar;
 }();
+
 exports.CSS_UNITS = CSS_UNITS;
 exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
 exports.DEFAULT_SCALE = DEFAULT_SCALE;