Convert the document properties to ES6 syntax

web/pdf_document_properties.js

@@ -21,20 +21,17 @@ import { OverlayManager } from './overlay_manager';
  * @typedef {Object} PDFDocumentPropertiesOptions
  * @property {string} overlayName - Name/identifier for the overlay.
  * @property {Object} fields - Names and elements of the overlay's fields.
+ * @property {HTMLDivElement} container - Div container for the overlay.
  * @property {HTMLButtonElement} closeButton - Button for closing the overlay.
  */
 
+class PDFDocumentProperties {
   /**
- * @class
- */
-var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
-  /**
-   * @constructs PDFDocumentProperties
    * @param {PDFDocumentPropertiesOptions} options
    */
-  function PDFDocumentProperties(options) {
-    this.fields = options.fields;
+  constructor(options) {
     this.overlayName = options.overlayName;
+    this.fields = options.fields;
     this.container = options.container;
 
     this.rawFileSize = 0;
@@ -51,23 +48,22 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
                             this.close.bind(this));
   }
 
-  PDFDocumentProperties.prototype = {
   /**
    * Open the document properties overlay.
    */
-    open: function PDFDocumentProperties_open() {
+  open() {
     Promise.all([OverlayManager.open(this.overlayName),
                  this._dataAvailableCapability.promise]).then(() => {
       this._getProperties();
     });
-    },
+  }
 
   /**
    * Close the document properties overlay.
    */
-    close: function PDFDocumentProperties_close() {
+  close() {
     OverlayManager.close(this.overlayName);
-    },
+  }
 
   /**
    * Set the file size of the PDF document. This method is used to
@@ -76,11 +72,11 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
    *
    * @param {number} fileSize - The file size of the PDF document.
    */
-    setFileSize: function PDFDocumentProperties_setFileSize(fileSize) {
+  setFileSize(fileSize) {
     if (fileSize > 0) {
       this.rawFileSize = fileSize;
     }
-    },
+  }
 
   /**
    * Set a reference to the PDF document and the URL in order
@@ -91,20 +87,19 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
    * @param {Object} pdfDocument - A reference to the PDF document.
    * @param {string} url - The URL of the document.
    */
-    setDocumentAndUrl:
-        function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) {
+  setDocumentAndUrl(pdfDocument, url) {
     this.pdfDocument = pdfDocument;
     this.url = url;
     this._dataAvailableCapability.resolve();
-    },
+  }
 
   /**
    * @private
    */
-    _getProperties: function PDFDocumentProperties_getProperties() {
+  _getProperties() {
     if (!OverlayManager.active) {
-        // If the dialog was closed before dataAvailablePromise was resolved,
-        // don't bother updating the properties.
+      // If the dialog was closed before `_dataAvailableCapability` was
+      // resolved, don't bother updating the properties.
       return;
     }
     // Get the file size (if it hasn't already been set).
@@ -138,21 +133,21 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
         this._updateUI(this.fields[identifier], content[identifier]);
       }
     });
-    },
+  }
 
   /**
    * @private
    */
-    _updateUI: function PDFDocumentProperties_updateUI(field, content) {
+  _updateUI(field, content) {
     if (field && content !== undefined && content !== '') {
       field.textContent = content;
     }
-    },
+  }
 
   /**
    * @private
    */
-    _parseFileSize: function PDFDocumentProperties_parseFileSize() {
+  _parseFileSize() {
     var fileSize = this.rawFileSize, kb = fileSize / 1024;
     if (!kb) {
       return;
@@ -166,12 +161,12 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
       size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
       size_b: fileSize.toLocaleString()
     }, '{{size_mb}} MB ({{size_b}} bytes)');
-    },
+  }
 
   /**
    * @private
    */
-    _parseDate: function PDFDocumentProperties_parseDate(inputDate) {
+  _parseDate(inputDate) {
     // This is implemented according to the PDF specification, but note that
     // Adobe Reader doesn't handle changing the date to universal time
     // and doesn't use the user's time zone (they're effectively ignoring
@@ -187,7 +182,7 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
     }
 
     // Get all elements from the PDF date string.
-      // JavaScript's Date object expects the month to be between
+    // JavaScript's `Date` object expects the month to be between
     // 0 and 11 instead of 1 and 12, so we're correcting for this.
     var year = parseInt(dateToParse.substring(0, 4), 10);
     var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
@@ -217,10 +212,7 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
                        { date: dateString, time: timeString },
                        '{{date}}, {{time}}');
   }
-  };
-
-  return PDFDocumentProperties;
-})();
+}
 
 export {
   PDFDocumentProperties,