Delete trailing whitespace (#42)

52 files changed, 288 insertions, 288 deletions

diff --git a/javascript/app/app.js b/javascript/app/app.js
index 9b24136..4f3fd63 100644
--- a/javascript/app/app.js
+++ b/javascript/app/app.js
@@ -6,7 +6,7 @@ import config from './config/environment';
 var App;
 
 App = Ember.Application.extend({
-  modulePrefix: config.modulePrefix,  
+  modulePrefix: config.modulePrefix,
   Resolver: Resolver
 });
 
diff --git a/javascript/app/components/bottom-panel.js b/javascript/app/components/bottom-panel.js
index 5d8b5bc..6415d0e 100644
--- a/javascript/app/components/bottom-panel.js
+++ b/javascript/app/components/bottom-panel.js
@@ -1,6 +1,6 @@
 import Ember from 'ember';
 
-function show(component) {  
+function show(component) {
   const height = Math.floor(component.$containerElement.height() /2);
   component.$().css({
     "display":"block",
@@ -40,13 +40,13 @@ export default Ember.Component.extend({
         }
       });
     });
-  },  
+  },
   visibilityObserver : Ember.observer('visible',function () {
     this.get('visible') ? show(this) : hide(this);
   }),
   actions : {
     close () {
-      this.set('visible',false);      
+      this.set('visible',false);
     }
   }
 });
diff --git a/javascript/app/components/file-tree.js b/javascript/app/components/file-tree.js
index d255229..7c5e112 100644
--- a/javascript/app/components/file-tree.js
+++ b/javascript/app/components/file-tree.js
@@ -10,7 +10,7 @@ const directoryTreeToJsTree = function (packageId,directoryTree) {
       jsTreeNode.a_attr = {href:"/package/" + packageId + "/show/" + node.path};
     }
     if(node.tag === "Dir") {
-      jsTreeNode.children = directoryTreeToJsTree(packageId,node);      
+      jsTreeNode.children = directoryTreeToJsTree(packageId,node);
       jsTreeNode.state = {"opened" : containsHaskellModule(node)};
     } else {
       if(node.isHaskellModule) {
@@ -25,8 +25,8 @@ const directoryTreeToJsTree = function (packageId,directoryTree) {
   });
 };
 
-const containsHaskellModule = function(node) {  
-  return node.contents.some((n) => {    
+const containsHaskellModule = function(node) {
+  return node.contents.some((n) => {
     if(n.tag === "File") {
       return n.isHaskellModule;
     } else {
@@ -35,9 +35,9 @@ const containsHaskellModule = function(node) {
   });
 }
 
-const fileExtension = function (filename) {  
-  const idx = filename.lastIndexOf('.');  
-  return (idx < 1) ? "" : filename.substr(idx + 1);  
+const fileExtension = function (filename) {
+  const idx = filename.lastIndexOf('.');
+  return (idx < 1) ? "" : filename.substr(idx + 1);
 }
 
 export default Ember.Component.extend({
@@ -49,10 +49,10 @@ export default Ember.Component.extend({
     });
   }),
   didInsertElement : function () {
-    this._super(...arguments);    
+    this._super(...arguments);
     const element = this.element.getElementsByClassName('file-tree')[0];
     const component = this;
-    
+
     const jstreeElement = Ember.$(element).jstree({
       'core' : {
         'data' : directoryTreeToJsTree(this.get('packageId'),this.get('directoryTree'))
@@ -69,16 +69,16 @@ export default Ember.Component.extend({
       'sort' : function (a,b) {
         const node1 = this.get_node(a).data;
         const node2 = this.get_node(b).data;
-        if(component.get("sortType") === "alphabetical") {          
+        if(component.get("sortType") === "alphabetical") {
           return node1.name > node2.name;
-        } else {          
+        } else {
           const extendedName1 = (node1.tag === "Dir" ? "0" : "1") + fileExtension(node1.name) + node1.name;
-          const extendedName2 = (node2.tag === "Dir" ? "0" : "1") + fileExtension(node2.name) + node2.name;          
+          const extendedName2 = (node2.tag === "Dir" ? "0" : "1") + fileExtension(node2.name) + node2.name;
           return extendedName1 > extendedName2;
         }
       }
     });
-    
+
     jstreeElement.on("select_node.jstree",(event,data) => {
       const file = data.node.data;
       if(file.tag != "Dir") {
@@ -86,8 +86,8 @@ export default Ember.Component.extend({
       }
     });
 
-    const jstree = jstreeElement.jstree(true);    
-            
+    const jstree = jstreeElement.jstree(true);
+
     if(this.get('currentFile')) {
       jstree.select_node(this.get('currentFile'));
       const node = jstree.get_node(this.get('currentFile'),true)[0];
@@ -111,7 +111,7 @@ export default Ember.Component.extend({
     }
   }),
   actions : {
-    hide() {      
+    hide() {
       this.get('hide')();
     }
   }
diff --git a/javascript/app/components/haskell-module.js b/javascript/app/components/haskell-module.js
index 7084510..187e6c5 100644
--- a/javascript/app/components/haskell-module.js
+++ b/javascript/app/components/haskell-module.js
@@ -19,17 +19,17 @@ function compareLocations (p1,p2) {
   }
 }
 
-function buildSrcSpan(sourceCodeLines,start,end) {  
+function buildSrcSpan(sourceCodeLines,start,end) {
   if(sourceCodeLines[start.line] && sourceCodeLines[end.line]) {
     if(start.line === end.line) {
       return sourceCodeLines[start.line].slice(start.column-1,end.column-1);
-    } else {    
+    } else {
       const firstLine = sourceCodeLines[start.line];
       let middleLines = [];
-      for(let i = start.line + 1; i < end.line;i ++) {      
+      for(let i = start.line + 1; i < end.line;i ++) {
         middleLines.push(sourceCodeLines[i]);
       }
-      const lastLine = sourceCodeLines[end.line];   
+      const lastLine = sourceCodeLines[end.line];
       const minOffset = Math.min(start.column,
                                  (middleLines.concat([lastLine]))
                                  .map((line) => line.search(/\S/))
@@ -52,7 +52,7 @@ function modifyClass(element,on) {
 }
 
 function highlightIdentifiers(parentElement,identifierElement,on) {
-  if(identifierElement.id) {    
+  if(identifierElement.id) {
     const identifiers = Array.prototype.slice.call(parentElement.querySelectorAll("span[id='"+identifierElement.id+"']"));
     identifiers.forEach((identifier) => {
       modifyClass(identifier,on);
@@ -63,7 +63,7 @@ function highlightIdentifiers(parentElement,identifierElement,on) {
 }
 
 //divident is a string
-//divident may have any number of digits 
+//divident may have any number of digits
 function modulo(divident, divisor) {
   return Array.from(divident).map(c => parseInt(c))
     .reduce((acc, value) => {
@@ -82,12 +82,12 @@ function identifierStyle(identifierElement,
                          occurrences,
                          path,
                          colorTheme,
-                         moduleName) {  
+                         moduleName) {
   const idOcc = occurrences[identifierElement.dataset.occurrence];
-  
+
   let color = colorTheme.defaultColor;
-  let fontWeight;  
-  
+  let fontWeight;
+
   if(idOcc) {
     if(idOcc.sort.tag === 'TypeId') {
       color = colorTheme.typeColor;
@@ -102,7 +102,7 @@ function identifierStyle(identifierElement,
       const idInfo = identifiers[identifierElement.dataset.identifier];
       if(idInfo) {
         if(isDefinedInCurrentModule(moduleName,path,idInfo)) {
-          color = colorTheme.topLevelIdFromCurrentModule;         
+          color = colorTheme.topLevelIdFromCurrentModule;
         } else if(idInfo.sort === "Internal" && idInfo.locationInfo.tag === "ExactLocation") {
           const colorNumber = modulo(identifierElement.id,colorTheme.localIdentifierColor.length);
           color = colorTheme.localIdentifierColor[colorNumber];
@@ -111,7 +111,7 @@ function identifierStyle(identifierElement,
       }
     }
   }
-  
+
   return "color:"+color+";"
     +(fontWeight ? "font-weight:" + fontWeight : "")+";"
     +(idOcc.isBinder ? "text-decoration:underline;" : "");
@@ -122,16 +122,16 @@ function initializeIdentifiers (sourceCodeContainerElement,component) {
   if(identifierElements.length > 0) {
     const timeout = 250;//milliseconds
     let timer = null;
-    
+
     identifierElements.forEach((identifierElement) => {
-      
+
       const cssText = identifierStyle(identifierElement,
                                       component.get('identifiers'),
-                                      component.get('occurrences'),                                     
+                                      component.get('occurrences'),
                                       component.get('path'),
                                       component.get('colorTheme'),
                                       component.get('name'));
-      
+
       identifierElement.style.cssText = cssText;
 
       //go to definition
@@ -139,31 +139,31 @@ function initializeIdentifiers (sourceCodeContainerElement,component) {
         if(timer) {
           clearTimeout(timer);
         }
-        
+
         if(!window.getSelection().isCollapsed) {
           return;
         }
 
-        const identifierInfo = component.get('identifiers')[identifierElement.dataset.identifier]; 
+        const identifierInfo = component.get('identifiers')[identifierElement.dataset.identifier];
         const idOccurrenceInfo = component.get('occurrences')[identifierElement.dataset.occurrence];
 
         const currentLineNumber = parseInt(identifierElement.parentNode.dataset.line);
-        
+
         if(idOccurrenceInfo.sort.tag === "ModuleId") {
           goToDefinition(component.get('store'),
                          idOccurrenceInfo.sort.contents,
                          event.which,
                          currentLineNumber);
         }
-        else {          
-          if(identifierInfo && (event.which === 1 || event.which === 2)) {            
+        else {
+          if(identifierInfo && (event.which === 1 || event.which === 2)) {
             if(!idOccurrenceInfo.isBinder) {
               goToDefinition(component.get('store'),
                              identifierInfo.locationInfo,
                              event.which,
                              currentLineNumber);
             } else {
-              if(identifierInfo.sort === "External") {                
+              if(identifierInfo.sort === "External") {
                 component.get('findReferences')(component.get('packageId'),
                                                 identifierInfo.externalId,
                                                 identifierInfo.demangledOccName,
@@ -173,7 +173,7 @@ function initializeIdentifiers (sourceCodeContainerElement,component) {
             }
           }
         }
-      }      
+      }
       identifierElement.onmouseover = () => {
         highlightIdentifiers(sourceCodeContainerElement,identifierElement,true);
         if(timer) {
@@ -185,27 +185,27 @@ function initializeIdentifiers (sourceCodeContainerElement,component) {
             const identifierOccurrence = component.get('occurrences')[identifierElement.dataset.occurrence];
             console.log(identifierOccurrence);
             console.log(identifierInfo);
-            
+
             component.set('selectedIdentifier',identifierElement);
             component.set('currentLineNumber',parseInt(identifierElement.parentNode.dataset.line) || 1);
             component.set('identifierInfo',identifierInfo);
             component.set('identifierOccurrence',identifierOccurrence);
             component.set('hasSelectedExpression',false);
             component.set('isHoveredOverIdentifier',true);
-            
+
           });
         },timeout);
       };
-      
+
       identifierElement.onmouseout = () => {
         highlightIdentifiers(sourceCodeContainerElement,identifierElement,false);
-        
+
         if(timer) {
           clearTimeout(timer);
         }
-                
+
         timer = setTimeout (() => {
-          Ember.run.next(component,() => {            
+          Ember.run.next(component,() => {
             component.set('isHoveredOverIdentifier',false);
           });
         },timeout);
@@ -224,19 +224,19 @@ function contains (node, other) {
 function initializeExpressionInfo(sourceCodeContainerElement,component) {
   const lineElements = Array.prototype.slice.call(sourceCodeContainerElement.querySelectorAll("td.line-content"));
   if(lineElements.length > 0) {
-    
+
     //Line numbers start with 1
     let sourceCodeLines = [""];
-    
+
     lineElements.forEach((el) => {
       sourceCodeLines.push(el.textContent);
     });
-    
-    const allowedNodeNames = ["#text","SPAN","TD"];    
+
+    const allowedNodeNames = ["#text","SPAN","TD"];
     let isLoading = false;
     let shouldWait = false;
     const timeout = 400;//milliseconds
-    
+
     const onmouseup = function()  {
       Ember.run.next(() => {
         if(isLoading || shouldWait) {
@@ -244,14 +244,14 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
         }
         shouldWait = true;
         setTimeout(() => {shouldWait = false;},timeout);
-        
+
         component.set('hasSelectedExpression',false);
-        
-        const selection = window.getSelection();        
-        
+
+        const selection = window.getSelection();
+
         //Selection of multiple lines inside a table doesn't work in Firefox
         //https://bugzilla.mozilla.org/show_bug.cgi?id=365900
-        
+
         if(!(selection.anchorNode && selection.focusNode)
            || !contains(sourceCodeContainerElement,selection.anchorNode)
            || !contains(sourceCodeContainerElement,selection.focusNode)
@@ -259,16 +259,16 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
            || (allowedNodeNames.indexOf(selection.focusNode.nodeName) === -1)
            || selection.isCollapsed) {
           return;
-        }        
-        
+        }
+
         // Detects whether the selection is backwards
         const detectionRange = document.createRange();
         detectionRange.setStart(selection.anchorNode, selection.anchorOffset);
         detectionRange.setEnd(selection.focusNode, selection.focusOffset);
         const isBackward = detectionRange.collapsed;
-        
+
         let startNode,startNodeOffset,endNode,endNodeOffset;
-        
+
         if(isBackward) {
           startNode = selection.focusNode;
           startNodeOffset = selection.focusOffset;
@@ -283,8 +283,8 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
 
         let lineStart,columnStart,lineEnd,columnEnd;
         let infoWindowTargetElement;
-        
-        
+
+
         //HTML inside source code container :
         //<tr><td><span data-start="1" date-end="3">abc</span><span>...</span></td></tr>
         //<tr>...</tr>
@@ -292,17 +292,17 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
           const parent = startNode.parentNode;//<span>
           columnStart = parseInt(parent.dataset.start) + startNodeOffset;
           lineStart = parseInt(parent.parentNode.dataset.line);
-          
+
           if(startNodeOffset === startNode.textContent.length && parent.nextSibling === null) {
             const tr = startNode.parentNode.parentNode.parentNode;// span -> td -> tr
-            
+
             //Skipping empty lines
-            let nextLine = tr.nextSibling;            
+            let nextLine = tr.nextSibling;
             while(nextLine.children[1].textContent === "") {
               nextLine = nextLine.nextSibling;
             }
             infoWindowTargetElement = nextLine.children[1].children[0];
-            
+
           } else {
             if(!(startNodeOffset === 0) && (parent.nextSibling)) {
               infoWindowTargetElement = parent.nextSibling;
@@ -320,7 +320,7 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
             nextLine = nextLine.nextSibling;
           }
           infoWindowTargetElement = nextLine.children[1].children[0];
-          
+
         } else if(startNode.nodeName === "TD") {
           if(startNodeOffset > 0) {
             const child = startNode.children[startNodeOffset-1];
@@ -330,10 +330,10 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
           }
           lineStart = parseInt(startNode.id.slice(2));
           infoWindowTargetElement = startNode.children[0];
-        } 
-        
+        }
+
         if(endNode.nodeName === "#text") {
-          columnEnd = parseInt(endNode.parentNode.dataset.start) + endNodeOffset;          
+          columnEnd = parseInt(endNode.parentNode.dataset.start) + endNodeOffset;
           lineEnd = parseInt(endNode.parentNode.parentNode.dataset.line);
         } else if(endNode.nodeName === "SPAN") {
           columnEnd = 1;
@@ -341,22 +341,22 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
         } else if(endNode.nodeName === "TD"){
           if(endNodeOffset > 0) {
             const child = endNode.children[endNodeOffset-1];
-            columnEnd = parseInt(child.dataset.start);            
+            columnEnd = parseInt(child.dataset.start);
           } else {
             columnEnd = 1;
           }
           lineEnd = parseInt(endNode.id.slice(2));
-        }        
-        
+        }
+
         const loadExprPromise = component.get('store').loadExpressions(
           component.get('packageId'),
-          component.get('path'),          
+          component.get('path'),
           lineStart,
           columnStart,
           lineEnd,
           columnEnd);
         isLoading = true;
-                
+
         loadExprPromise.then((expressions) => {
           Ember.run.next(() => {
             if(expressions && expressions.length > 0) {
@@ -368,7 +368,7 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
                   return 1;
                 }
               });
-              
+
               const expressionsWithSourceCode = expressions.reduce((result,expression) => {
                 const object = Ember.copy(expression);
                 const srcSpan = buildSrcSpan(sourceCodeLines,
@@ -387,15 +387,15 @@ function initializeExpressionInfo(sourceCodeContainerElement,component) {
                 component.set('expressions',expressionsWithSourceCode);
                 component.set('currentLineNumber',parseInt(infoWindowTargetElement.parentNode.dataset.line) || 1);
                 component.set('hasSelectedExpression',true);
-                
+
               }
             }
             isLoading = false;
           });
-        });        
+        });
       });
     };
-    
+
     sourceCodeContainerElement.addEventListener('mouseup',onmouseup);
     component._onmouseup = onmouseup;
   }
@@ -418,10 +418,10 @@ export default Ember.Component.extend({
         this.set('filteredDeclarations',filteredDeclarations);
       });
     }, 300);
-  }),  
+  }),
   identifierLocationInfo : Ember.computed('identifierInfo','identifierOccurrence',function() {
     const idOcc = this.get('identifierOccurrence');
-    const idInfo = this.get('identifierInfo');    
+    const idInfo = this.get('identifierInfo');
     if(idOcc) {
       if(idOcc.sort.tag === "ModuleId") {
         return idOcc.sort.contents;
@@ -470,10 +470,10 @@ export default Ember.Component.extend({
   didReceiveAttrs() {
     this.set('filteredDeclarations',this.get('declarations'));
   },
-  didInsertElement() {    
+  didInsertElement() {
     this._super(...arguments);
     const sourceCodeContainerElement = this.element.querySelector('.source-code-container');
-    sourceCodeContainerElement.innerHTML = this.get('html');    
+    sourceCodeContainerElement.innerHTML = this.get('html');
     this.sourceCodeContainerElement = sourceCodeContainerElement;
 
     // Add links to Haskell language extensions docs
@@ -493,7 +493,7 @@ export default Ember.Component.extend({
       }
       i = i + 1;
     }
-    
+
     this.element.parentNode.scrollTop = 0;
     const declarations = this.element.querySelector('.declarations-content');
     this.set('query','');
@@ -510,7 +510,7 @@ export default Ember.Component.extend({
     this.cleanup();
   },
   actions : {
-    goToLine(lineNumber) {   
+    goToLine(lineNumber) {
       window.location.hash = "L"+lineNumber;
     },
     toggleShowDeclarations() {
diff --git a/javascript/app/components/identifier-info.js b/javascript/app/components/identifier-info.js
index 0e870a2..79c35c6 100644
--- a/javascript/app/components/identifier-info.js
+++ b/javascript/app/components/identifier-info.js
@@ -1,7 +1,7 @@
 import Ember from 'ember';
 import {goToDefinition} from '../utils/go-to-definition';
 
-export default Ember.Component.extend({  
+export default Ember.Component.extend({
   store : Ember.inject.service('store'),
   downloadedDocumentation : null,
   didInsertElement () {
@@ -26,25 +26,25 @@ export default Ember.Component.extend({
       this.element.removeEventListener('mouseup',this._onmouseup);
     }
   },
-  //Naughty record selectors : 
+  //Naughty record selectors :
   //https://github.com/ghc/ghc/blob/ced2cb5e8fbf4493488d1c336da7b00d174923ce/compiler/typecheck/TcTyDecls.hs#L940-L961
   isNaughtyRecSel : Ember.computed('identifierInfo',function () {
     const idInfo = this.get('identifierInfo');
-    return idInfo ? (idInfo.details === "RecSelIdNaughty") : false;   
+    return idInfo ? (idInfo.details === "RecSelIdNaughty") : false;
   }),
   isExternalIdentifier : Ember.computed('identifierInfo',function () {
     const idInfo = this.get('identifierInfo');
-    return idInfo ? (idInfo.sort === "External") : false; 
+    return idInfo ? (idInfo.sort === "External") : false;
   }),
   identifierObserver : Ember.observer('identifierInfo',function () {
     this.set("downloadedDocumentation","");
     const idInfo = this.get('identifierInfo');
-    if(idInfo) {      
+    if(idInfo) {
       const locationInfo = idInfo.locationInfo;
       if(locationInfo.tag === "ApproximateLocation") {
         const packageId = locationInfo.packageId.name + "-" + locationInfo.packageId.version;
         const currentIdentifier = idInfo;
-        
+
         this.get('store').loadDefinitionSite(packageId,
                                              locationInfo.moduleName,
                                              locationInfo.componentId,
@@ -52,10 +52,10 @@ export default Ember.Component.extend({
                                              locationInfo.name)
           .then((definitionSite) => {
             Ember.run.next(this,() => {
-              if(currentIdentifier === this.get('identifierInfo')) {                
+              if(currentIdentifier === this.get('identifierInfo')) {
                 this.set('downloadedDocumentation',definitionSite.documentation);
               }})
-          }).catch(() => {            
+          }).catch(() => {
             this.get('store').loadHoogleDocs(packageId,
                                              locationInfo.moduleName,
                                              locationInfo.entity,
diff --git a/javascript/app/components/identifier-name.js b/javascript/app/components/identifier-name.js
index e0f8c3c..4b01b03 100644
--- a/javascript/app/components/identifier-name.js
+++ b/javascript/app/components/identifier-name.js
@@ -11,7 +11,7 @@ export default Ember.Component.extend({
   }),
   style : Ember.computed('identifierElement',function() {
     const element = this.get('identifierElement');
-    if(element) {      
+    if(element) {
       return new Ember.String.htmlSafe("color:"+element.style.color);
     }
   }),
@@ -44,7 +44,7 @@ export default Ember.Component.extend({
     return (this.get('identifierInfo.sort') === "External");
   }),
   actions : {
-    goToDefinition (event) {      
+    goToDefinition (event) {
       goToDefinition(this.get('store'),
                      this.get('locationInfo'),
                      event.which,
diff --git a/javascript/app/components/infinite-list.js b/javascript/app/components/infinite-list.js
index b73b6d4..02e1943 100644
--- a/javascript/app/components/infinite-list.js
+++ b/javascript/app/components/infinite-list.js
@@ -10,34 +10,34 @@ function initialize(component) {
   pageNumber = 1;
 }
 
-export default Component.extend({  
+export default Component.extend({
   renderedElements : [],
   init() {
     this._super(...arguments);
     initialize(this);
   },
-  elementsObserver : observer('elements',function() {    
+  elementsObserver : observer('elements',function() {
     initialize(this);
     const containerElement = document.getElementById(this.get('containerElementId'));
-    if(containerElement) { 
+    if(containerElement) {
       containerElement.scrollTop = 0;
     }
   }),
   didInsertElement() {
     const containerElement = document.getElementById(this.get('containerElementId'));
     if(containerElement) {
-      const component = this;                       
+      const component = this;
       containerElement.onscroll = function() {
         const perPage = component.get('perPage');
         const elements = component.get('elements');
-        
+
         if(!updating &&
            (pageNumber * perPage < elements.length) &&
            (containerElement.scrollTop + containerElement.offsetHeight
             > component.element.offsetHeight - 100)) {
-          
+
           updating = true;
-          run.next(component,() => {                        
+          run.next(component,() => {
             const newElements = elements.slice(pageNumber * perPage,(pageNumber + 1) * perPage);
             component.get('renderedElements').pushObjects(newElements);
             pageNumber ++;
diff --git a/javascript/app/components/info-window.js b/javascript/app/components/info-window.js
index a011f99..da669f1 100644
--- a/javascript/app/components/info-window.js
+++ b/javascript/app/components/info-window.js
@@ -8,27 +8,27 @@ function updatePosition(component) {
   if(targetElement) {
     const infoWindowHeight = component.element.offsetHeight;
     const targetElementHeight = targetElement.offsetHeight;
-    
-    const parent = targetElement.parentNode;//<td> element    
-    const containerElement = document.querySelector("#" + component.get('containerElementId'));    
+
+    const parent = targetElement.parentNode;//<td> element
+    const containerElement = document.querySelector("#" + component.get('containerElementId'));
 
     //getBoundingClientRect() returns the smallest rectangle which contains
     //the entire element, with read-only left, top, right, bottom, x, y, width,
     //and height properties describing the overall border-box in pixels. Properties
     //other than width and height are relative to the top-left of the *viewport*.
     const targetTopViewport = targetElement.getBoundingClientRect().top;
-    
+
     let containerTopViewport;
     if (containerElement) {
       containerTopViewport = containerElement.getBoundingClientRect().top;
     } else {
       containerTopViewport = 0;
     }
-    
+
     let infoWindowTop;
     if(targetTopViewport < infoWindowHeight + containerTopViewport) {
       //offsetTop is the number of pixels from the top of the closest relatively
-      //positioned parent element.      
+      //positioned parent element.
       infoWindowTop = targetElement.offsetTop + parent.offsetTop
         + targetElementHeight + 10 + "px";
     } else {
@@ -37,7 +37,7 @@ function updatePosition(component) {
     }
 
     const infoWindowLeft = targetElement.offsetLeft + parent.offsetLeft + "px";
-    
+
     component.$().css({
       top:infoWindowTop,
       left:infoWindowLeft
@@ -54,16 +54,16 @@ export default Ember.Component.extend({
   isFocused: false,
   didInsertElement () {
     const component = this;
-    
+
     const $headerElement = Ember.$(component.element.querySelector(".info-window-header"));
     const $contentElement = Ember.$(component.element.querySelector(".info-window-content"));
     const $infoWindowElement = Ember.$(component.element.querySelector(".info-window"));
     const $infoWindowContainerElement = Ember.$(component.element);
-    
+
     this.$headerElement = $headerElement;
-    this.$contentElement = $contentElement;    
+    this.$contentElement = $contentElement;
 
-    this.$().resizable({    
+    this.$().resizable({
       handles: "n,w",
       minHeight: 80,
       minWidth: 400,
@@ -74,10 +74,10 @@ export default Ember.Component.extend({
         resizing = false;
       },
       resize : function() {
-        const containerHeight = $infoWindowContainerElement.height();               
+        const containerHeight = $infoWindowContainerElement.height();
         $infoWindowElement.css({
           "height": containerHeight + 2 + "px"
-        });        
+        });
         $contentElement.css({
           "max-height":(containerHeight - $headerElement.outerHeight(true)) + "px"
         });
@@ -104,7 +104,7 @@ export default Ember.Component.extend({
     const element = document.elementFromPoint(event.clientX,event.clientY);
     if(element && element.classList.contains('link')) {
       return;
-    }    
+    }
     if(!resizing
        && !dragging
        && !this.get('isPinned')
@@ -122,7 +122,7 @@ export default Ember.Component.extend({
     if (this.get('isPinned')
         || this.get('isFocused')
         || this.get('isHoveredOverIdentifier')
-        || this.get('hasSelectedExpression')) {      
+        || this.get('hasSelectedExpression')) {
       return false;
     } else {
       return true;
diff --git a/javascript/app/components/input-with-autocomplete.js b/javascript/app/components/input-with-autocomplete.js
index 34abe7a..5960c46 100644
--- a/javascript/app/components/input-with-autocomplete.js
+++ b/javascript/app/components/input-with-autocomplete.js
@@ -1,14 +1,14 @@
 import Ember from 'ember';
 export default Ember.Component.extend({
-  store : Ember.inject.service('store'),  
+  store : Ember.inject.service('store'),
   highlightedItemIndex: -1,
   items : [],
   query: null,
   didInsertElement() {
     const $input = Ember.$(this.element).find(".search-input");
-    const $autocompleteContainer = Ember.$(this.element).find(".autocomplete-container");    
-    this.$input = $input;        
-    this.$autocompleteContainer = $autocompleteContainer;    
+    const $autocompleteContainer = Ember.$(this.element).find(".autocomplete-container");
+    this.$input = $input;
+    this.$autocompleteContainer = $autocompleteContainer;
     const width = $input.width() + 300;
     $autocompleteContainer.css({
       "width" : width+"px",
@@ -23,9 +23,9 @@ export default Ember.Component.extend({
         this.onDown();
       } else if(e.which === 38) {
         this.onUp();
-      } 
+      }
     });
-    $input.focusin(() => {      
+    $input.focusin(() => {
       this.showAutocompleteList();
     });
     $input.focusout(() => {
@@ -105,7 +105,7 @@ export default Ember.Component.extend({
   },
   searchUrlObserver : Ember.observer('createSearchUrlFunction',function() {
     this.notifyPropertyChange('query');
-  }),  
+  }),
   queryObserver : Ember.observer("query",function() {
     if(this.get('query')) {
       const perPage = this.get('maxItems') ? this.get('maxItems') : 10;
diff --git a/javascript/app/components/instance-info.js b/javascript/app/components/instance-info.js
index a0e04ed..339d415 100644
--- a/javascript/app/components/instance-info.js
+++ b/javascript/app/components/instance-info.js
@@ -10,7 +10,7 @@ export default Ember.Component.extend({
     return this.get('nestedLevel') + 1;
   }),
   actions : {
-    goToDefinition (event) {      
+    goToDefinition (event) {
       goToDefinition(this.get('store'),
                      this.get('instance.location'),
                      event.which,
diff --git a/javascript/app/components/paginated-list.js b/javascript/app/components/paginated-list.js
index 9d85610..d4b6609 100644
--- a/javascript/app/components/paginated-list.js
+++ b/javascript/app/components/paginated-list.js
@@ -8,10 +8,10 @@ function loadItems(store,component,url) {
       component.set('next',result.linkHeader.next);
       component.set('prev',result.linkHeader.prev);
       component.set('last',result.linkHeader.last);
-      
+
       const pageMatch = url.match(/(&|\?)page=(\d+)/);
       const perPageMatch = url.match(/(&|\?)per_page=(\d+)/);
-      
+
       const page = pageMatch ? pageMatch[2] : 1;
       const perPage = perPageMatch ? perPageMatch[2] : 20;
 
@@ -36,11 +36,11 @@ export default Ember.Component.extend({
     }
   },
   urlObserver : Ember.observer('url',function () {
-    loadItems(this.get('store'),this,this.get('url'));    
-    this.element.querySelector(".paginated-list-content").scrollTop = 0;    
+    loadItems(this.get('store'),this,this.get('url'));
+    this.element.querySelector(".paginated-list-content").scrollTop = 0;
   }),
   actions : {
-    update(url) {      
+    update(url) {
       this.element.querySelector(".paginated-list-content").scrollTop = 0;
       loadItems(this.get('store'),this,url);
     }
diff --git a/javascript/app/components/resizable-panel.js b/javascript/app/components/resizable-panel.js
index 20d781b..fe51ade 100644
--- a/javascript/app/components/resizable-panel.js
+++ b/javascript/app/components/resizable-panel.js
@@ -24,7 +24,7 @@ export default Ember.Component.extend({
   hidden:false,
   hiddenByUser:false,
   didInsertElement : function () {
-    this._super(...arguments);    
+    this._super(...arguments);
     Ember.run.next(this,() => {
       const onresize = () => {
         if(!this.get('hiddenByUser')) {
@@ -50,7 +50,7 @@ export default Ember.Component.extend({
         }
       });
       this.$alsoResizeElement = $alsoResizeElement;
-      if(window.innerWidth < 700) {      
+      if(window.innerWidth < 700) {
         this.set('hidden',true);
         hide(this,false);
       }
diff --git a/javascript/app/components/text-file.js b/javascript/app/components/text-file.js
index 05be31a..2239571 100644
--- a/javascript/app/components/text-file.js
+++ b/javascript/app/components/text-file.js
@@ -37,7 +37,7 @@ export default Ember.Component.extend({
   }),
   init() {
     this._super(...arguments);
-    this.markdownConverter = new showdown.Converter();    
+    this.markdownConverter = new showdown.Converter();
   },
   didInsertElement() {
     const sourceCodeContainerElement = this.element.querySelector('.source-code-container');
@@ -48,7 +48,7 @@ export default Ember.Component.extend({
     this.cleanup();
   },
   cleanup() {
-    if(this._onhashchange) {      
+    if(this._onhashchange) {
       window.removeEventListener('hashchange',this._onhashchange);
     }
     if(this._onkeydown) {
@@ -61,7 +61,7 @@ export default Ember.Component.extend({
   pathObserver : Ember.observer('path',function() {
     Ember.run.next(this,() => {
       this.cleanup();
-      this.didInsertElement();      
+      this.didInsertElement();
     });
   })
 });
diff --git a/javascript/app/components/type-signature-text.js b/javascript/app/components/type-signature-text.js
index e4eb200..ce33607 100644
--- a/javascript/app/components/type-signature-text.js
+++ b/javascript/app/components/type-signature-text.js
@@ -1,4 +1,4 @@
 import Ember from 'ember';
 export default Ember.Component.extend({
-  tagName : "span"  
+  tagName : "span"
 });
diff --git a/javascript/app/components/type-signature.js b/javascript/app/components/type-signature.js
index ed1849c..8e7545f 100644
--- a/javascript/app/components/type-signature.js
+++ b/javascript/app/components/type-signature.js
@@ -1,11 +1,11 @@
 import Ember from 'ember';
 export default Ember.Component.extend({
-  tagName : "span",  
-  expandTypeSynonyms: false,  
+  tagName : "span",
+  expandTypeSynonyms: false,
   expandTypeSynonymsLabel : Ember.computed('expandTypeSynonyms',function() {
     return this.get('expandTypeSynonyms') ? "Show type synonyms" : "Expand type synonyms";
   }),
-  components : Ember.computed('type','expandTypeSynonyms',function() {   
+  components : Ember.computed('type','expandTypeSynonyms',function() {
     if(this.get('expandTypeSynonyms') && this.get('type.componentsExpanded')) {
       return this.get('type.componentsExpanded');
     } else {
@@ -14,7 +14,7 @@ export default Ember.Component.extend({
   }),
   typeObserver : Ember.observer('type',function() {
     this.set('expandTypeSynonyms',false);
-  }),  
+  }),
   actions : {
     toggleExpandTypeSynonyms () {
       this.toggleProperty('expandTypeSynonyms');
diff --git a/javascript/app/controllers/package.js b/javascript/app/controllers/package.js
index 666cacf..d986835 100644
--- a/javascript/app/controllers/package.js
+++ b/javascript/app/controllers/package.js
@@ -8,8 +8,8 @@ export default Ember.Controller.extend({
   loadItemsFunction : null,
   query : null,
   searchMode : "currentPackage",
-  createSearchUrlFunction : Ember.computed("searchMode","model",function() {    
-    const packageId = this.get('model.id');    
+  createSearchUrlFunction : Ember.computed("searchMode","model",function() {
+    const packageId = this.get('model.id');
     if(this.get('searchMode') === "currentPackage") {
       return (query) => urls.identifierSearchUrl(packageId,query);
     } else {
diff --git a/javascript/app/controllers/package/index.js b/javascript/app/controllers/package/index.js
index cd02416..dabb196 100644
--- a/javascript/app/controllers/package/index.js
+++ b/javascript/app/controllers/package/index.js
@@ -2,7 +2,7 @@ import Ember from 'ember';
 export default Ember.Controller.extend({
   modulesFiltered : Ember.computed('model','query',function () {
     const query = this.get('query');
-    const modules = Object.keys(this.get('model.modules')).sort();    
+    const modules = Object.keys(this.get('model.modules')).sort();
     if(query) {
       const regExp = new RegExp(query,"i");
       return modules.filter((p) => p.search(regExp) != -1);
diff --git a/javascript/app/controllers/package/search.js b/javascript/app/controllers/package/search.js
index 46f2efd..159b79a 100644
--- a/javascript/app/controllers/package/search.js
+++ b/javascript/app/controllers/package/search.js
@@ -4,7 +4,7 @@ import {goToDefinition} from '../../utils/go-to-definition';
 export default Ember.Controller.extend({
   store : Ember.inject.service('store'),
   actions : {
-    goToDefinition (locationInfo,event) {      
+    goToDefinition (locationInfo,event) {
       goToDefinition(this.get('store'),
                      locationInfo,
                      event.which,
diff --git a/javascript/app/controllers/packages.js b/javascript/app/controllers/packages.js
index 4bb10fc..5c34eb2 100644
--- a/javascript/app/controllers/packages.js
+++ b/javascript/app/controllers/packages.js
@@ -3,10 +3,10 @@ import {goToDefinition} from '../utils/go-to-definition';
 
 export default Ember.Controller.extend({
   store : Ember.inject.service('store'),
-  queryObserver : Ember.observer("query",function() {    
+  queryObserver : Ember.observer("query",function() {
     Ember.run.debounce(this, () => {
       const regExp = new RegExp(this.get('query'),"i");
-      const packages = this.get('model').filter((p) => p.name.search(regExp) != -1);      
+      const packages = this.get('model').filter((p) => p.name.search(regExp) != -1);
       Ember.run.next(() => {
         this.set('packages',packages);
       });
diff --git a/javascript/app/controllers/search.js b/javascript/app/controllers/search.js
index 5d77770..7ba7d92 100644
--- a/javascript/app/controllers/search.js
+++ b/javascript/app/controllers/search.js
@@ -4,7 +4,7 @@ import {goToDefinition} from '../utils/go-to-definition';
 export default Ember.Controller.extend({
   store : Ember.inject.service('store'),
   actions : {
-    goToDefinition (locationInfo,event) {      
+    goToDefinition (locationInfo,event) {
       goToDefinition(this.get('store'),
                      locationInfo,
                      event.which,
diff --git a/javascript/app/router.js b/javascript/app/router.js
index 7fce17a..7b8df63 100644
--- a/javascript/app/router.js
+++ b/javascript/app/router.js
@@ -14,8 +14,8 @@ Router.map(function() {
       });
     });
     this.route('search',{path:'/search/:query'});
-  });  
-  this.route('bad-url', { path: '/*badurl' });  
+  });
+  this.route('bad-url', { path: '/*badurl' });
 });
 
 export default Router;
diff --git a/javascript/app/routes/package.js b/javascript/app/routes/package.js
index e908ca4..6abc603 100644
--- a/javascript/app/routes/package.js
+++ b/javascript/app/routes/package.js
@@ -8,7 +8,7 @@ export default Ember.Route.extend({
       .catch((e) => {console.log(e);this.transitionTo("/package-not-found");});
   },
   setupController(controller, model) {
-    this._super(controller, model);    
+    this._super(controller, model);
     controller.set('bottomPanelVisible',false);
   },
   actions : {
diff --git a/javascript/app/routes/package/index.js b/javascript/app/routes/package/index.js
index e36abd5..15ff8a5 100644
--- a/javascript/app/routes/package/index.js
+++ b/javascript/app/routes/package/index.js
@@ -1,7 +1,7 @@
 import Ember from 'ember';
 
-export default Ember.Route.extend({  
-  afterModel : function (model,transition) {    
-    transition.send("fileOpened",null);    
+export default Ember.Route.extend({
+  afterModel : function (model,transition) {
+    transition.send("fileOpened",null);
   }
 });
diff --git a/javascript/app/routes/package/search.js b/javascript/app/routes/package/search.js
index 7bc711b..058f9ec 100644
--- a/javascript/app/routes/package/search.js
+++ b/javascript/app/routes/package/search.js
@@ -10,7 +10,7 @@ export default Ember.Route.extend({
       url: urls.identifierSearchUrl(this.modelFor('package').id,params.query)+"?per_page=20"
     };
   },
-  afterModel () {    
+  afterModel () {
     const onmouseup = (event) => {
       // This makes links in documentation clickable
       if(event.target.dataset.location) {
@@ -26,7 +26,7 @@ export default Ember.Route.extend({
       }
     };
     this._onmouseup = onmouseup;
-    document.addEventListener('mouseup',onmouseup);    
+    document.addEventListener('mouseup',onmouseup);
   },
   deactivate() {
     if(this._onmouseup) {
diff --git a/javascript/app/routes/package/show/file.js b/javascript/app/routes/package/show/file.js
index ead6ee8..568d288 100644
--- a/javascript/app/routes/package/show/file.js
+++ b/javascript/app/routes/package/show/file.js
@@ -3,25 +3,25 @@ import Ember from 'ember';
 export default Ember.Route.extend({
   store : Ember.inject.service(),
   model : function (params) {
-    const packageInfo = this.modelFor('package');    
-    if(packageInfo.modules[params.filePath]) {      
+    const packageInfo = this.modelFor('package');
+    if(packageInfo.modules[params.filePath]) {
       return this.get('store').loadHaskellModule(packageInfo.id,params.filePath)
-        .catch((e) => {console.log(e);this.transitionTo("/not-found");});      
+        .catch((e) => {console.log(e);this.transitionTo("/not-found");});
     } else {
       return this.get('store').loadFile(packageInfo.id,params.filePath)
-        .then((result) => {          
+        .then((result) => {
           document.title = packageInfo.id;
           return result;
         })
         .catch((e) => {console.log(e);this.transitionTo("/not-found");});
     }
   },
-  afterModel (model) {    
+  afterModel (model) {
     document.title = model.id + " - " + this.modelFor('package').id;
   },
   actions : {
-    didTransition : function () {            
-      this.send("fileOpened",this.currentModel.id);    
-    }    
+    didTransition : function () {
+      this.send("fileOpened",this.currentModel.id);
+    }
   }
 });
diff --git a/javascript/app/routes/package/show/index.js b/javascript/app/routes/package/show/index.js
index e36abd5..15ff8a5 100644
--- a/javascript/app/routes/package/show/index.js
+++ b/javascript/app/routes/package/show/index.js
@@ -1,7 +1,7 @@
 import Ember from 'ember';
 
-export default Ember.Route.extend({  
-  afterModel : function (model,transition) {    
-    transition.send("fileOpened",null);    
+export default Ember.Route.extend({
+  afterModel : function (model,transition) {
+    transition.send("fileOpened",null);
   }
 });
diff --git a/javascript/app/routes/search.js b/javascript/app/routes/search.js
index c181c2f..3ad8905 100644
--- a/javascript/app/routes/search.js
+++ b/javascript/app/routes/search.js
@@ -11,12 +11,12 @@ export default Ember.Route.extend({
     };
   },
   setupController(controller, model) {
-    this._super(controller, model);    
+    this._super(controller, model);
     controller.set('createSearchUrlFunction',(query) => {
       return urls.globalIdentifiersUrl(query);
     });
   },
-  afterModel () {    
+  afterModel () {
     const onmouseup = (event) => {
       // This makes links in documentation clickable
       if(event.target.dataset.location) {
@@ -32,11 +32,11 @@ export default Ember.Route.extend({
       }
     };
     this._onmouseup = onmouseup;
-    document.addEventListener('mouseup',onmouseup);    
+    document.addEventListener('mouseup',onmouseup);
   },
   deactivate() {
     if(this._onmouseup) {
       document.removeEventListener('mouseup',this._onmouseup);
     }
-  }  
+  }
 });
diff --git a/javascript/app/services/settings.js b/javascript/app/services/settings.js
index a79779a..8080890 100644
--- a/javascript/app/services/settings.js
+++ b/javascript/app/services/settings.js
@@ -14,7 +14,7 @@ export default Ember.Service.extend({
   },
   colorTheme : themes["darkTheme"],
   settingsObserver : Ember.observer("colorTheme",function() {
-    if(localStorage) {      
+    if(localStorage) {
       localStorage.setItem("colorThemeId",this.get('colorTheme').id);
     }
   })
diff --git a/javascript/app/services/store.js b/javascript/app/services/store.js
index 650ddcf..39a6f74 100644
--- a/javascript/app/services/store.js
+++ b/javascript/app/services/store.js
@@ -44,7 +44,7 @@ function parseLinkHeader(header) {
 
 
 export default Ember.Service.extend({
-  init() {    
+  init() {
     this.packages = {};
     this.files = {};
     this.haskellModules = {};
@@ -69,12 +69,12 @@ export default Ember.Service.extend({
   },
   loadFile(packageId,filePath) {
     const fileId = packageId + "/" + filePath;
-    const file = this.files[fileId];    
+    const file = this.files[fileId];
     if(file) {
       return new RSVP.Promise((resolve) => {resolve(file);});
     } else {
-      const url = urls.fileUrl(packageId,filePath);      
-      return Ember.$.get({url:url,dataType:"text"}).then((text) => {        
+      const url = urls.fileUrl(packageId,filePath);
+      return Ember.$.get({url:url,dataType:"text"}).then((text) => {
         const file = {};
         file.text = text;
         file.packageId = packageId;
@@ -85,7 +85,7 @@ export default Ember.Service.extend({
       });
     }
   },
-  loadHaskellModule(packageId,filePath) {    
+  loadHaskellModule(packageId,filePath) {
     const moduleId = packageId + "/" + filePath ;
     const module = this.haskellModules[moduleId];
     if(module) {
@@ -93,7 +93,7 @@ export default Ember.Service.extend({
     } else {
       const url = urls.haskellModuleUrl(packageId,filePath);
       return Ember.$.getJSON(url).then((module) => {
-        module.packageId = packageId;        
+        module.packageId = packageId;
         module.isHaskellModule = true;
         this.haskellModules[moduleId] = module;
         return module;
@@ -112,23 +112,23 @@ export default Ember.Service.extend({
         return definitionSite;
       });
     }
-  },  
+  },
   loadExpressions(packageId,modulePath,lineStart,columnStart,lineEnd,columnEnd) {
     const id = packageId + "/" + encodeURIComponent(modulePath)
           + "/" + lineStart + "/" + columnStart + "/" + lineEnd + "/" + columnEnd;
     const exprs = this.expressions[id];
     if(exprs) {
-      return new RSVP.Promise((resolve)=>{resolve(exprs);}); 
+      return new RSVP.Promise((resolve)=>{resolve(exprs);});
     } else {
-      const url = urls.expressionsUrl(packageId,modulePath,lineStart,columnStart,lineEnd,columnEnd);      
-      return Ember.$.getJSON(url).then((exprs) => {        
+      const url = urls.expressionsUrl(packageId,modulePath,lineStart,columnStart,lineEnd,columnEnd);
+      return Ember.$.getJSON(url).then((exprs) => {
         this.expressions[id] = exprs;
         return exprs;
-      });     
+      });
     }
   },
-  loadFromUrlPaginated(url) {      
-    return Ember.$.getJSON(url).then((items,textStatus,jqXHR) => {      
+  loadFromUrlPaginated(url) {
+    return Ember.$.getJSON(url).then((items,textStatus,jqXHR) => {
       const linkHeaderText = jqXHR.getResponseHeader('Link');
       const totalCountHeaderText = jqXHR.getResponseHeader('x-total-count');
       const linkHeader = parseLinkHeader(linkHeaderText);
@@ -141,7 +141,7 @@ export default Ember.Service.extend({
     });
   },
   loadGlobalReferences(externalId) {
-    const globalReferences = this.globalReferences[externalId];    
+    const globalReferences = this.globalReferences[externalId];
     if(globalReferences) {
       return new RSVP.Promise((resolve) => {resolve(globalReferences);});
     } else {
diff --git a/javascript/app/styles/app.scss b/javascript/app/styles/app.scss
index b87c0d8..68fbe2a 100644
--- a/javascript/app/styles/app.scss
+++ b/javascript/app/styles/app.scss
@@ -45,14 +45,14 @@ li {
 .documentation {
     margin-top:10px;
     li {
-        list-style: disc outside none;                
+        list-style: disc outside none;
     }
     ul {
         padding-left:15px;
     }
     ol {
         padding-left:15px;
-    }    
+    }
 }
 
 .flex-container {
@@ -73,7 +73,7 @@ li {
 .header {
     flex: none;
     padding:5px;
-    img {        
+    img {
         float:left;
     }
 }
@@ -140,7 +140,7 @@ li {
     margin-top:20px;
 }
 
-.package-header-filename {    
+.package-header-filename {
     white-space: nowrap;
     margin-left: 35px;
 }
@@ -184,13 +184,13 @@ ul.modules {
     position:absolute;
     top:0px;
     right:-20px;
-    z-index:2;    
+    z-index:2;
     width:20px;
-    height:20px;    
+    height:20px;
     text-align:center;
     vertical-align:middle;
     a {
-        text-decoration:none;        
+        text-decoration:none;
     }
     opacity:0.6;
     display:none;
@@ -218,10 +218,10 @@ ul.modules {
     right : 0;
     left : 300px;
     overflow-x: auto;
-    overflow-y: auto;    
+    overflow-y: auto;
 }
 
-.file-tree-container { 
+.file-tree-container {
     overflow-x: hidden;
     overflow-y: auto;
     position: absolute;
@@ -238,7 +238,7 @@ ul.modules {
     right : 0;
     left : 0;
     overflow-x: auto;
-    overflow-y: auto;    
+    overflow-y: auto;
 }
 
 .bottom-panel {
@@ -248,7 +248,7 @@ ul.modules {
     right : 0;
     left : 0;
     overflow-x: auto;
-    overflow-y: auto;    
+    overflow-y: auto;
     z-index:4;
 }
 
@@ -258,7 +258,7 @@ ul.modules {
     right : 0;
     left : 0;
     height: 35px;
-    padding: 5px;    
+    padding: 5px;
 }
 
 .bottom-panel-content {
@@ -268,7 +268,7 @@ ul.modules {
     right : 0;
     left : 0;
     overflow-x: auto;
-    overflow-y: auto;    
+    overflow-y: auto;
 }
 
 .bottom-panel-header-options {
@@ -279,9 +279,9 @@ ul.modules {
     white-space:nowrap;
 }
 
-.highlighted-identifier {    
+.highlighted-identifier {
     border-radius: 3px;
-    box-shadow: 0 0 0 1px #B4B4B4;    
+    box-shadow: 0 0 0 1px #B4B4B4;
 }
 
 .identifier {
@@ -312,7 +312,7 @@ td.line-content {
 
 $source-code-font:Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
 
-.source-code {    
+.source-code {
     font-family: $source-code-font;
     white-space:pre;
     line-height:1.25;
@@ -332,12 +332,12 @@ code,pre {
 }
 
 .source-code-font {
-    font-family: $source-code-font;    
+    font-family: $source-code-font;
     line-height:1.25;
 }
 
 .source-code-snippet {
-    padding: 4px;    
+    padding: 4px;
     text-decoration:none !important;
     display:block;
 }
@@ -360,7 +360,7 @@ code,pre {
     position:fixed;
     top:150px;
     right:15px;
-    width: 450px;    
+    width: 450px;
     z-index:1;
     div {
         margin : 5px;
@@ -369,7 +369,7 @@ code,pre {
 
 .declarations-header {
     opacity:0.9;
-    height:50px; 
+    height:50px;
 }
 
 .declarations-content {
@@ -380,7 +380,7 @@ code,pre {
     right:0px;
     max-height:500px;
     overflow-y:auto;
-    overflow-x:hidden;    
+    overflow-x:hidden;
 }
 
 @media screen and (max-width: 1500px)  {
@@ -395,28 +395,28 @@ code,pre {
     z-index:10;
 }
 
-.info-window-header {    
+.info-window-header {
     margin:5px;
     width: 100%;
     cursor: move;
     cursor: grab;
     cursor: -moz-grab;
-    cursor: -webkit-grab;    
+    cursor: -webkit-grab;
 }
 
-.info-window-content {    
+.info-window-content {
     max-height:200px;
     overflow-x:auto;
-    overflow-y:auto;    
+    overflow-y:auto;
 }
 
 .info-window-options {
     margin-right:10px;
     margin-left:10px;
-    float:right;    
+    float:right;
 }
 
-           
+
 .ui-draggable-dragging .info-window-header {
     cursor: grabbing;
     cursor: -moz-grabbing;
diff --git a/javascript/app/templates/bad-url.hbs b/javascript/app/templates/bad-url.hbs
index 6b36386..b7df9c5 100644
--- a/javascript/app/templates/bad-url.hbs
+++ b/javascript/app/templates/bad-url.hbs
@@ -1,4 +1,4 @@
-<div class="container">    
+<div class="container">
     <div style="margin-top:10px">
        <h1>Not found</h1>
        <div><a href="/">Main page</a></div>
diff --git a/javascript/app/templates/components/haskell-module.hbs b/javascript/app/templates/components/haskell-module.hbs
index 77b9df7..6f1d0f5 100644
--- a/javascript/app/templates/components/haskell-module.hbs
+++ b/javascript/app/templates/components/haskell-module.hbs
@@ -1,14 +1,14 @@
 <div class="source-code-container"></div>
 {{#if declarations}}
     <div class="declarations">
-        <div class="declarations-header">            
+        <div class="declarations-header">
             <div class="input-group">
                 {{input class="form-control" value=query placeholder="Identifier"}}<a class="hide-declarations" href="#" {{action "toggleShowDeclarations"}}>{{showDeclarationsLabel}}</a>
             </div>
         </div>
         {{#if showDeclarations}}
-            <div id="declarations-content" class="declarations-content">                
-                <ul>                    
+            <div id="declarations-content" class="declarations-content">
+                <ul>
                     {{#infinite-list containerElementId="declarations-content" elements=filteredDeclarations perPage=30 as |declaration|}}
                         <li class="declaration">
                             <div class="declaration">
diff --git a/javascript/app/templates/components/identifier-name.hbs b/javascript/app/templates/components/identifier-name.hbs
index ca16e23..4f7b764 100644
--- a/javascript/app/templates/components/identifier-name.hbs
+++ b/javascript/app/templates/components/identifier-name.hbs
@@ -2,7 +2,7 @@
     <span class="source-code-font break-word identifier-menu-item" style={{style}}>{{#if identifierInfo.demangledOccName}}{{identifierInfo.demangledOccName}}{{else}}{{name}}{{/if}}</span>
     {{#unless isBinder}}
         {{#if location}}
-            <span class="identifier-menu-item">{{location}}</span>            
+            <span class="identifier-menu-item">{{location}}</span>
             <span class="link identifier-menu-item" onmouseup={{action "goToDefinition"}}>Go to definition</span>
         {{/if}}
     {{/unless}}
diff --git a/javascript/app/templates/components/paginated-list.hbs b/javascript/app/templates/components/paginated-list.hbs
index 82d4eee..5184e07 100644
--- a/javascript/app/templates/components/paginated-list.hbs
+++ b/javascript/app/templates/components/paginated-list.hbs
@@ -1,4 +1,4 @@
-<div class="paginated-list-header">   
+<div class="paginated-list-header">
     <span>Found {{total}} {{{foundWhere}}}</span>
     {{#if (or next prev)}}
         &nbsp;
@@ -10,8 +10,8 @@
             {{#if next}}<button button class="btn btn-outline-secondary btn-sm" {{action "update" next.href}}>&gt;</button>{{/if}}
             {{#if last}}<button button class="btn btn-outline-secondary btn-sm" {{action "update" last.href}}>&gt;&gt;</button>{{/if}}
         </span>
-    {{/if}}    
+    {{/if}}
 </div>
 <div class="paginated-list-content">
-    {{yield items}}    
+    {{yield items}}
 </div>
diff --git a/javascript/app/templates/package.hbs b/javascript/app/templates/package.hbs
index 95dca05..d26ce34 100644
--- a/javascript/app/templates/package.hbs
+++ b/javascript/app/templates/package.hbs
@@ -1,6 +1,6 @@
 <div class="flex-container">
     <div class="package-header">
-        <span class="package-header-package-name">{{#link-to 'package' model}}{{model.id}}{{/link-to}}</span> 
+        <span class="package-header-package-name">{{#link-to 'package' model}}{{model.id}}{{/link-to}}</span>
         <span class="package-header-input">
             {{#input-with-autocomplete
                onSubmit=(action 'searchIdentifier')
@@ -11,7 +11,7 @@
                placeholder="Identifier" as |identifier|}}
                 <span class="source-code-font">{{identifier.demangledOccName}} :: {{type-signature-text components=identifier.idType.components}}</span>
                 <div class="module-name">
-                    <b>{{identifier.locationInfo.packageId.name}}-{{identifier.locationInfo.packageId.version}}</b>                    
+                    <b>{{identifier.locationInfo.packageId.name}}-{{identifier.locationInfo.packageId.version}}</b>
                     {{#if identifier.locationInfo.modulePath}}
                         {{identifier.locationInfo.modulePath}}
                     {{else}}
@@ -29,7 +29,7 @@
            value="allPackages"
            groupValue=searchMode}}
             <span>in all packages</span>
-        {{/radio-button}}        
+        {{/radio-button}}
         {{#if currentFile}}
             <span class="package-header-filename">
                 {{currentFile}}
@@ -66,7 +66,7 @@
                             </span>
                         {{/if}}
                     </div>
-                    <div class="references">                        
+                    <div class="references">
                         {{#paginated-list url=referencesUrl foundWhere=(concat "in <b>" packageId "</b>") as |files|}}
                             <ul>
                                 {{#each files as |file|}}
diff --git a/javascript/app/templates/package/index.hbs b/javascript/app/templates/package/index.hbs
index e9bc592..06ccd0d 100644
--- a/javascript/app/templates/package/index.hbs
+++ b/javascript/app/templates/package/index.hbs
@@ -1,12 +1,12 @@
 <div class="package-modules">
     <div class="module-search-input">
-        {{input class="form-control" type="text" value=query placeholder="Module name"}}        
-    </div>    
+        {{input class="form-control" type="text" value=query placeholder="Module name"}}
+    </div>
     <ul class="modules">
         {{#each modulesFiltered as |module|}}
             <li>
                 <a href="/package/{{model.id}}/show/{{module}}">{{module}}</a>
             </li>
         {{/each}}
-    </ul>    
+    </ul>
 </div>
diff --git a/javascript/app/templates/package/show/file.hbs b/javascript/app/templates/package/show/file.hbs
index b127fd7..0d356e5 100644
--- a/javascript/app/templates/package/show/file.hbs
+++ b/javascript/app/templates/package/show/file.hbs
@@ -1,11 +1,11 @@
-{{#if model.isHaskellModule}} 
+{{#if model.isHaskellModule}}
     {{haskell-module
       path=model.id
       name=model.name
       packageId=model.packageId
       componentId=model.componentId
       html=model.sourceCodeHtml
-      identifiers=model.identifiers      
+      identifiers=model.identifiers
       occurrences=model.occurrences
       colorTheme=settings.colorTheme
       declarations=model.declarations
diff --git a/javascript/app/templates/search.hbs b/javascript/app/templates/search.hbs
index 222919a..5a36913 100644
--- a/javascript/app/templates/search.hbs
+++ b/javascript/app/templates/search.hbs
@@ -1,6 +1,6 @@
 <div class="flex-container container">
     <div style="position:relative;height:100%">
-        <div class="absolute-container">     
+        <div class="absolute-container">
             <div class="global-identifier-search-form">
                 {{#input-with-autocomplete
                    onSubmit=(action 'searchIdentifier')
diff --git a/javascript/app/utils/api-urls.js b/javascript/app/utils/api-urls.js
index 7dce1c3..5280720 100644
--- a/javascript/app/utils/api-urls.js
+++ b/javascript/app/utils/api-urls.js
@@ -15,13 +15,13 @@ function fixDots(string) {
   }
 }
 
-export const urls = {  
+export const urls = {
   packageInfoUrl : function(packageId) {
     return config.APP.staticUrlPrefix+"/"+packageId+"/"+config.APP.haskellCodeExplorerDirectory+"/packageInfo.json";
   },
   fileUrl : function(packageId,filePath) {
     return config.APP.staticUrlPrefix+"/"+packageId+"/"+filePath;
-  },  
+  },
   haskellModuleUrl : function (packageId,filePath) {
     return config.APP.staticUrlPrefix+"/"+packageId+"/"+config.APP.haskellCodeExplorerDirectory+"/"+encodeURIComponent(encodeURIComponent(filePath))+ ".json";
   },
diff --git a/javascript/app/utils/color-themes.js b/javascript/app/utils/color-themes.js
index 13b5240..49eda64 100644
--- a/javascript/app/utils/color-themes.js
+++ b/javascript/app/utils/color-themes.js
@@ -1,6 +1,6 @@
 function colorThemeToCss(colorTheme) {
   const css = `
-   body {     
+   body {
      color: ${colorTheme.defaultColor} !important;
      background-color: ${colorTheme.backgroundColor} !important;
    }
@@ -31,7 +31,7 @@ function colorThemeToCss(colorTheme) {
    }
    .declarations-header {
      background-color: ${colorTheme.navigationPanelColor} !important;
-     border: 1px solid ${colorTheme.borderColor} !important;     
+     border: 1px solid ${colorTheme.borderColor} !important;
    }
    li.declaration {
      border-bottom: 1px solid ${colorTheme.borderColor} !important;
@@ -73,19 +73,19 @@ function colorThemeToCss(colorTheme) {
      border-left: 1px solid ${colorTheme.borderColor} !important;
      border-right: 1px solid ${colorTheme.borderColor} !important;
    }
-   ul.autocomplete-items > li {     
+   ul.autocomplete-items > li {
      border-bottom: 1px solid ${colorTheme.borderColor} !important;
    }
-   ul.autocomplete-items > li:hover {     
+   ul.autocomplete-items > li:hover {
      background-color: ${colorTheme.highlightedLineColor} !important;
    }
-   ul.autocomplete-items > li.highlighted {     
+   ul.autocomplete-items > li.highlighted {
      background-color: ${colorTheme.highlightedLineColor} !important;
    }
    .source-code-snippet {
       color: ${colorTheme.defaultColor} !important;
       border-bottom: 1px solid ${colorTheme.borderColor} !important;
-   }  
+   }
    .source-code-snippet:hover {
       background-color: ${colorTheme.highlightedLineColor} !important;
    }
@@ -94,7 +94,7 @@ function colorThemeToCss(colorTheme) {
       border-top: 1px solid ${colorTheme.borderColor} !important;
    }
    .bottom-panel-header {
-      border-bottom: 1px solid ${colorTheme.borderColor} !important;      
+      border-bottom: 1px solid ${colorTheme.borderColor} !important;
    }
    .paginated-list-header {
       border-bottom: 1px solid ${colorTheme.borderColor} !important;
@@ -118,7 +118,7 @@ function colorThemeToCss(colorTheme) {
    }
    .references-packages  {
       border-right:1px solid ${colorTheme.borderColor} !important;
-   }`;   
+   }`;
   return css;
 }
 
@@ -150,14 +150,14 @@ const lightTheme = {
   name: "Light theme",
   description: "Light theme (Github based)",
   defaultColor: "#24292e",
-  backgroundColor: "#ffffff",  
+  backgroundColor: "#ffffff",
   typeColor: "#005cc5",
   literalColor: "#032f62",
   topLevelIdFromCurrentModule : "#6f42c1",
   localIdentifierColor: ["#005C31",
                      "#2BCE48","#808080","#8F7C00",
                      "#C20088","#FFA405","#ffa8bb","#426600","#FF0010",
-                     "#09d7d8","#00998F","#990000","#FF5005"],  
+                     "#09d7d8","#00998F","#990000","#FF5005"],
   menuColor: "#f2f4f8",
   menuLinkColor : "#24292e",
   infoWindowColor: "#f2f4f8",
@@ -171,7 +171,7 @@ function updateColorThemeCss (colorTheme) {
   const newStyle = document.createElement('style');
   newStyle.type = 'text/css';
   newStyle.innerHTML = colorThemeToCss(colorTheme);
-  newStyle.id = 'color-theme';  
+  newStyle.id = 'color-theme';
   const oldStyle = document.querySelector("style#color-theme");
   if(oldStyle) {
     oldStyle.parentElement.removeChild(oldStyle);
@@ -186,6 +186,6 @@ const themes = {
 
 export {
   updateColorThemeCss,
-  colorThemeToCss,  
-  themes  
+  colorThemeToCss,
+  themes
 }
diff --git a/javascript/app/utils/go-to-definition.js b/javascript/app/utils/go-to-definition.js
index 6eac9c3..59b5dba 100644
--- a/javascript/app/utils/go-to-definition.js
+++ b/javascript/app/utils/go-to-definition.js
@@ -25,10 +25,10 @@ function openUrl(buttonId,url) {
   return false;
 }
 
-function saveCurrentLocation(currentLineNumber) {  
+function saveCurrentLocation(currentLineNumber) {
   if(currentLineNumber) {
-    const url = window.location.origin + window.location.pathname + "#L" + currentLineNumber;    
-    if(location.href != url) {      
+    const url = window.location.origin + window.location.pathname + "#L" + currentLineNumber;
+    if(location.href != url) {
       window.location.hash = "#L" + currentLineNumber;
     }
   }
@@ -43,7 +43,7 @@ function goToDefinition(store,locationInfo,buttonId,currentLineNumber) {
     openUrl(buttonId,url);
   } else if((locationInfo.tag === "ApproximateLocation") &&
             (locationInfo.moduleName.indexOf("Paths_") !== 0)) {
-    const packageId = locationInfo.packageId.name+"-"+locationInfo.packageId.version;    
+    const packageId = locationInfo.packageId.name+"-"+locationInfo.packageId.version;
     if(locationInfo.entity === "Mod") {
       store.loadDefinitionSite(packageId,
                                locationInfo.moduleName,
@@ -55,7 +55,7 @@ function goToDefinition(store,locationInfo,buttonId,currentLineNumber) {
           openUrl(buttonId,"/package/" + packageId + "/show/" + defSite.location.modulePath);
         }).catch(() => {
           openUrl(buttonId,hackageUrl(packageId,locationInfo));
-        });      
+        });
     } else {
     store.loadDefinitionSite(packageId,
                             locationInfo.moduleName,
@@ -78,10 +78,10 @@ function goToDefinition(store,locationInfo,buttonId,currentLineNumber) {
         saveCurrentLocation(currentLineNumber);
         openUrl(buttonId,hackageUrl(packageId,locationInfo));
       });
-    }    
+    }
   } else {
     alert('No location info');
-  }  
+  }
 }
 
 export {
diff --git a/javascript/app/utils/language-extensions.js b/javascript/app/utils/language-extensions.js
index bee90b6..f5e8b41 100644
--- a/javascript/app/utils/language-extensions.js
+++ b/javascript/app/utils/language-extensions.js
@@ -198,7 +198,7 @@ const extensions = {
   "InterruptibleFFI": {
     "description": "Enable interruptible FFI.",
     "link": "https://haskell.org/ghc/docs/latest/html/users_guide/ffi-chap.html#interruptible-foreign-calls"
-  },  
+  },
   "KindSignatures": {
     "description": "Allow an explicit kind signature giving the kind of types over which a type variable ranges.",
     "link": "https://www.haskell.org/ghc/docs/latest/html/users_guide/glasgow_exts.html#ghc-flag--XKindSignatures"
@@ -314,7 +314,7 @@ const extensions = {
   "PatternGuards": {
     "description": "Enable a form of guard which matches a pattern and binds variables.",
     "link": "https://www.haskell.org/ghc/docs/latest/html/users_guide/glasgow_exts.html#ghc-flag--XPatternGuards"
-  },  
+  },
   "PatternSynonyms": {
     "description": "Allow giving names to and abstracting over patterns.",
     "link": "https://www.haskell.org/ghc/docs/latest/html/users_guide/glasgow_exts.html#ghc-flag--XPatternSynonyms"
@@ -322,7 +322,7 @@ const extensions = {
   "PolyKinds": {
     "description": "Enable kind polymorphism.",
     "link": "https://www.haskell.org/ghc/docs/latest/html/users_guide/glasgow_exts.html#ghc-flag--XPolyKinds"
-  },  
+  },
   "PostfixOperators": {
     "description": "Relax the interpretation of left operator sections to allow unary postfix operators.",
     "link": "https://www.haskell.org/ghc/docs/latest/html/users_guide/glasgow_exts.html#ghc-flag--XPostfixOperators"
@@ -394,7 +394,7 @@ const extensions = {
   "StarIsType": {
     "description": "Have * refer to Type.",
     "link":"https://ghc.haskell.org/trac/ghc/wiki/Migration/8.6#StarIsType"
-    
+
   },
   "StaticPointers": {
     "description": "Enable support for 'static pointers' (and the static keyword) to refer to globally stable names, even across different programs.",
@@ -497,7 +497,7 @@ const extensions = {
 
 const regexp = new RegExp(Object.keys(extensions).join("|"),"g");
 
-function addLinksToLanguageExtensionsDocs(string) {  
+function addLinksToLanguageExtensionsDocs(string) {
   return string.replace(regexp, function(match) {
     const extension = extensions[match];
     if(extensions) {
diff --git a/javascript/app/utils/line-selection.js b/javascript/app/utils/line-selection.js
index d6d0976..d2e55e3 100644
--- a/javascript/app/utils/line-selection.js
+++ b/javascript/app/utils/line-selection.js
@@ -6,7 +6,7 @@ function initializeLineSelection(sourceCodeContainerElement,component) {
     }
     window.addEventListener("hashchange",onhashchange);
     component._onhashchange = onhashchange;
-    
+
     let shiftPressed;
     const onkeydown = function (event) {
       if(event.keyCode === 16) { shiftPressed = true; }
@@ -14,12 +14,12 @@ function initializeLineSelection(sourceCodeContainerElement,component) {
     const onkeyup = function (event) {
       if(event.keyCode === 16) { shiftPressed = false; }
     };
-    
+
     document.addEventListener('keydown',onkeydown);
     document.addEventListener('keyup',onkeyup);
     component._onkeydown = onkeydown;
     component._onkeyup = onkeyup;
-    
+
     let selectedLine1,selectedLine2;
     lineNumbers.forEach((lineNumberElement) => {
       lineNumberElement.onclick = function()  {
@@ -35,7 +35,7 @@ function initializeLineSelection(sourceCodeContainerElement,component) {
               window.location.hash = "L"+selectedLine2+"-L"+selectedLine1;
             }
           }
-        } else {          
+        } else {
           selectedLine1 = number;
           selectedLine2 = null;
           highlightLines(sourceCodeContainerElement,selectedLine1,selectedLine1);
@@ -43,11 +43,11 @@ function initializeLineSelection(sourceCodeContainerElement,component) {
         }
       }
     });
-    const lines = highlightSelectedLines(sourceCodeContainerElement);    
+    const lines = highlightSelectedLines(sourceCodeContainerElement);
     if(lines.length) {
       selectedLine1 = lines[0];
       selectedLine2 = lines[1];
-    }    
+    }
   }
 }
 
@@ -85,18 +85,18 @@ function highlightSelectedLines (sourceCodeContainerElement) {
 
 function scrollLineIntoView(lineElement,sourceCodeContainerElement) {
   lineElement.parentNode.scrollIntoView();
-  const container = sourceCodeContainerElement.parentNode.parentNode;          
+  const container = sourceCodeContainerElement.parentNode.parentNode;
   const windowHeight = container.offsetHeight;
   const fullHeight = sourceCodeContainerElement.offsetHeight;
 
-  if(fullHeight - container.scrollTop > windowHeight) {    
+  if(fullHeight - container.scrollTop > windowHeight) {
     container.scrollTop = container.scrollTop - (windowHeight/2 - 20);
   }
 }
 
-function highlightLines(parentElement,startLine,endLine) {  
+function highlightLines(parentElement,startLine,endLine) {
   const lineElements = Array.prototype.slice.call(parentElement.querySelectorAll("td.line-content"));
-  lineElements.forEach((lineElement) => {  
+  lineElements.forEach((lineElement) => {
     const number = parseInt(lineElement.id.substring(2)); //<td "id"="LC10">...</td>
     if(number >= startLine && number <= endLine) {
       lineElement.classList.add('highlighted-line');
diff --git a/javascript/config/environment.js b/javascript/config/environment.js
index a3772a5..250c03f 100644
--- a/javascript/config/environment.js
+++ b/javascript/config/environment.js
@@ -19,7 +19,7 @@ module.exports = function(environment) {
     },
     pace: {
       theme: 'minimal',
-      color: 'silver',      
+      color: 'silver',
       target: 'body',
       elements: {
         checkInterval: 100,
diff --git a/javascript/ember-cli-build.js b/javascript/ember-cli-build.js
index 0178882..8a2f7bc 100644
--- a/javascript/ember-cli-build.js
+++ b/javascript/ember-cli-build.js
@@ -12,7 +12,7 @@ module.exports = function(defaults) {
       includePolyfill: true
     }
   });
-  app.import('vendor/jquery-ui-1.12.1.custom/jquery-ui.min.js')// only draggable and resizable    
+  app.import('vendor/jquery-ui-1.12.1.custom/jquery-ui.min.js')// only draggable and resizable
   app.import('vendor/jquery-ui-1.12.1.custom/jquery-ui.structure.min.css')
   app.import('node_modules/jstree/dist/jstree.min.js');
   app.import('node_modules/jstree/dist/themes/default/style.min.css');
diff --git a/javascript/server/index.js b/javascript/server/index.js
index eadf932..330a75c 100644
--- a/javascript/server/index.js
+++ b/javascript/server/index.js
@@ -16,7 +16,7 @@ function usingProxy() {
 
 module.exports = function(app) {
   if (usingProxy()) { return; }
-  
+
   const globSync   = require('glob').sync;
   const mocks      = globSync('./mocks/**/*.js', { cwd: __dirname }).map(require);
   const proxies    = globSync('./proxies/**/*.js', { cwd: __dirname }).map(require);
diff --git a/javascript/server/mocks/packages.js b/javascript/server/mocks/packages.js
index 5da80b2..0a60cf3 100644
--- a/javascript/server/mocks/packages.js
+++ b/javascript/server/mocks/packages.js
@@ -380,15 +380,15 @@ const testModuleInfo = {
 module.exports = function(app) {
   const express = require('express');
   let packagesRouter = express.Router();
-  
-  packagesRouter.get('/api/packages', function(req, res) {    
+
+  packagesRouter.get('/api/packages', function(req, res) {
     res.send(packages);
-  });  
-  
+  });
+
   packagesRouter.get('/files/test-package-0.1.0.0/.haskell-code-explorer/packageInfo.json', function(req, res) {
     res.send(testPackage);
   });
-  
+
   packagesRouter.get('/files/test-package-0.1.0.0/.haskell-code-explorer/app%252FMain.hs.json', function(req, res) {
     res.send(testModuleInfo);
   });
diff --git a/javascript/testem.js b/javascript/testem.js
index d7710c2..d406673 100644
--- a/javascript/testem.js
+++ b/javascript/testem.js
@@ -5,7 +5,7 @@ module.exports = {
   launch_in_ci: [
     'Chrome'
   ],
-  launch_in_dev: [    
+  launch_in_dev: [
     'Chrome'
   ],
   browser_args: {
diff --git a/javascript/tests/acceptance/haskell-module-test.js b/javascript/tests/acceptance/haskell-module-test.js
index 939c0dd..4eab15d 100644
--- a/javascript/tests/acceptance/haskell-module-test.js
+++ b/javascript/tests/acceptance/haskell-module-test.js
@@ -5,17 +5,17 @@ import { setupApplicationTest } from 'ember-qunit';
 
 module('Acceptance | haskell-module', function(hooks) {
   setupApplicationTest(hooks);
-  
+
   //Test data is in 'server/mocks/packages.js'
   test('visiting /package/test-package-0.1.0.0/show/app/Main.hs', async function(assert) {
     await visit('/package/test-package-0.1.0.0/show/app/Main.hs');
-    
+
     assert.equal(currentURL(), '/package/test-package-0.1.0.0/show/app/Main.hs');
-    
+
     const lines = Array.from(find('tbody').children).map((tr) => {
       return tr.children[1].innerText;
     });
-        
+
     assert.deepEqual(lines,["module Main where",
                            "",
                            "import Lib",
diff --git a/javascript/tests/acceptance/package-test.js b/javascript/tests/acceptance/package-test.js
index bdb1fef..09b73f2 100644
--- a/javascript/tests/acceptance/package-test.js
+++ b/javascript/tests/acceptance/package-test.js
@@ -5,16 +5,16 @@ import { setupApplicationTest } from 'ember-qunit';
 
 module('Acceptance | package', function(hooks) {
   setupApplicationTest(hooks);
-  
+
   //Test data is in 'server/mocks/packages.js'
   test('visiting /package/test-package-0.1.0.0', async function(assert) {
     await visit('/package/test-package-0.1.0.0');
     assert.equal(currentURL(), '/package/test-package-0.1.0.0');
-    
+
     const moduleNames = Array.from(find('ul.modules').children).map((li) => {
       return [li.innerText,li.children[0].getAttribute('href')];
-    });       
-    
+    });
+
     assert.deepEqual(moduleNames,[["app/Main.hs","/package/test-package-0.1.0.0/show/app/Main.hs"],
                                  ["src/Lib.hs","/package/test-package-0.1.0.0/show/src/Lib.hs"],
                                  ["src/Types.hs","/package/test-package-0.1.0.0/show/src/Types.hs"],
diff --git a/javascript/tests/acceptance/packages-test.js b/javascript/tests/acceptance/packages-test.js
index 4c970b1..106e16a 100644
--- a/javascript/tests/acceptance/packages-test.js
+++ b/javascript/tests/acceptance/packages-test.js
@@ -4,7 +4,7 @@ import { setupApplicationTest } from 'ember-qunit';
 
 module('Acceptance | packages', function(hooks) {
   setupApplicationTest(hooks);
-  
+
   //Test data is in file 'server/mocks/packages.js'
   test('visiting /', async function(assert) {
     await visit('/');
diff --git a/javascript/tests/index.html b/javascript/tests/index.html
index 19f55cc..06bfc02 100644
--- a/javascript/tests/index.html
+++ b/javascript/tests/index.html
@@ -25,7 +25,7 @@
     <script src="{{rootURL}}assets/vendor.js"></script>
     <script src="{{rootURL}}assets/test-support.js"></script>
     <script src="{{rootURL}}assets/haskell-code-explorer.js"></script>
-    <script src="{{rootURL}}assets/tests.js"></script>    
+    <script src="{{rootURL}}assets/tests.js"></script>
 
     {{content-for "body-footer"}}
     {{content-for "test-body-footer"}}