Enforce no trailing whitespace

.eslintrc

@@ -36,5 +36,6 @@
         "func-style": ["error", "declaration", { "allowArrowFunctions": true }],
         "key-spacing": ["error"],
         "keyword-spacing": ["error"],
+        "no-trailing-spaces": ["error"],
     }
 }

app/ui.js

@@ -1329,7 +1329,7 @@ const UI = {
             // Move the caret to the end
             input.setSelectionRange(l, l);
         } catch (err) {
-            // setSelectionRange is undefined in Google Chrome 
+            // setSelectionRange is undefined in Google Chrome
         }
     },
 

app/webutil.js

@@ -26,7 +26,7 @@ export function getQueryVar (name, defVal) {
     const re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
         match = document.location.href.match(re);
     if (typeof defVal === 'undefined') { defVal = null; }
-    
+
     if (match) {
         return decodeURIComponent(match[1]);
     }

core/rfb.js

@@ -1437,7 +1437,7 @@ export default class RFB extends EventTargetMixin {
             case 2:  // Bell
                 Log.Debug("Bell");
                 this.dispatchEvent(new CustomEvent(
-                    "bell", 
+                    "bell",
                     { detail: {} }));
                 return true;
 

utils/use_require_helpers.js

@@ -34,7 +34,7 @@ module.exports = {
         noCopyOverride: () => {},
     },
     'commonjs': {
-        optionsOverride: (opts) => {   
+        optionsOverride: (opts) => {
             // CommonJS supports properly shifting the default export to work as normal
             opts.plugins.unshift("add-module-exports");
         },
@@ -68,7 +68,7 @@ module.exports = {
         },
     },
     'umd': {
-        optionsOverride: (opts) => {   
+        optionsOverride: (opts) => {
             // umd supports properly shifting the default export to work as normal
             opts.plugins.unshift("add-module-exports");
         },