diff --git a/src/gui/html/js/events.js b/src/gui/html/js/events.js
index c533309e..1318c91a 100644
--- a/src/gui/html/js/events.js
+++ b/src/gui/html/js/events.js
@@ -79,649 +79,630 @@ function onPluginIsDirtyChange(evt) {
   }
 }
 function saveFilterState(evt) {
-    loot.query('saveFilterState', evt.target.id, evt.target.checked).catch(handlePromiseError);
+  loot.query('saveFilterState', evt.target.id, evt.target.checked).catch(handlePromiseError);
 }
 function onToggleDisplayCSS(evt) {
-    var attr = 'data-hide-' + evt.target.getAttribute('data-class');
-    if (evt.target.checked) {
-        document.getElementById('main').setAttribute(attr, true);
-    } else {
-        document.getElementById('main').removeAttribute(attr);
-    }
+  const attr = 'data-hide-' + evt.target.getAttribute('data-class');
+  if (evt.target.checked) {
+    document.getElementById('main').setAttribute(attr, true);
+  } else {
+    document.getElementById('main').removeAttribute(attr);
+  }
 
-    if (evt.target.id != 'hideBashTags') {
-        /* Now perform search again. If there is no current search, this won't
-           do anything. */
-        document.getElementById('searchBar').search();
-    }
-}
-function onToggleBashTags(evt) {
-    onToggleDisplayCSS(evt);
-    document.getElementById('main').lastElementChild.updateSize();
+  if (evt.target.id !== 'hideBashTags') {
     /* Now perform search again. If there is no current search, this won't
        do anything. */
     document.getElementById('searchBar').search();
+  }
+}
+function onToggleBashTags(evt) {
+  onToggleDisplayCSS(evt);
+  document.getElementById('main').lastElementChild.updateSize();
+  /* Now perform search again. If there is no current search, this won't
+     do anything. */
+  document.getElementById('searchBar').search();
 }
 function onOpenLogLocation(evt) {
-    loot.query('openLogLocation').catch(handlePromiseError);
+  loot.query('openLogLocation').catch(handlePromiseError);
 }
 function onChangeGame(evt) {
-    /* Check that the selected game isn't the current one. */
-    if (evt.target.className.indexOf('core-selected') != -1) {
-        return;
+  /* Check that the selected game isn't the current one. */
+  if (evt.target.className.indexOf('core-selected') !== -1) {
+    return;
+  }
+
+  /* Send off a CEF query with the folder name of the new game. */
+  loot.Dialog.showProgress(loot.l10n.translate('Loading game data...'));
+  loot.query('changeGame', evt.currentTarget.getAttribute('value')).then((result) => {
+    /* Filters should be re-applied on game change, except the conflicts
+       filter. Don't need to deactivate the others beforehand. Strictly not
+       deactivating the conflicts filter either, just resetting it's value.
+       */
+    document.body.removeAttribute('data-conflicts');
+
+    /* Clear the UI of all existing game-specific data. Also
+       clear the card and li variables for each plugin object. */
+    const globalMessages = document.getElementById('summary').getElementsByTagName('ul')[0];
+    while (globalMessages.firstElementChild) {
+      globalMessages.removeChild(globalMessages.firstElementChild);
     }
 
-    /* Send off a CEF query with the folder name of the new game. */
-    loot.Dialog.showProgress(loot.l10n.translate('Loading game data...'));
-    loot.query('changeGame', evt.currentTarget.getAttribute('value')).then(function(result){
-        /* Filters should be re-applied on game change, except the conflicts
-           filter. Don't need to deactivate the others beforehand. Strictly not
-           deactivating the conflicts filter either, just resetting it's value.
-           */
-        document.body.removeAttribute('data-conflicts');
+    /* Parse the data sent from C++. */
+    const gameInfo = JSON.parse(result, loot.Plugin.fromJson);
+    loot.game.folder = gameInfo.folder;
+    loot.game.masterlist = gameInfo.masterlist;
+    loot.game.globalMessages = gameInfo.globalMessages;
+    loot.game.plugins = gameInfo.plugins;
 
-        /* Clear the UI of all existing game-specific data. Also
-           clear the card and li variables for each plugin object. */
-        var globalMessages = document.getElementById('summary').getElementsByTagName('ul')[0];
-        while (globalMessages.firstElementChild) {
-            globalMessages.removeChild(globalMessages.firstElementChild);
-        }
+    /* Reset virtual list positions. */
+    document.getElementById('cardsNav').scrollToItem(0);
+    document.getElementById('main').lastElementChild.scrollToItem(0);
 
-        /* Parse the data sent from C++. */
-        try {
-            var gameInfo = JSON.parse(result, loot.Plugin.fromJson);
-            loot.game.folder = gameInfo.folder;
-            loot.game.masterlist = gameInfo.masterlist;
-            loot.game.globalMessages = gameInfo.globalMessages;
-            loot.game.plugins = gameInfo.plugins;
+    /* Now update virtual lists. */
+    setFilteredUIData();
 
-            /* Reset virtual list positions. */
-            document.getElementById('cardsNav').scrollToItem(0);
-            document.getElementById('main').lastElementChild.scrollToItem(0);
-
-            /* Now update virtual lists. */
-            setFilteredUIData();
-        } catch (e) {
-            console.log(e);
-            console.log('changeGame response: ' + result);
-        }
-
-        loot.Dialog.closeProgress();
-    }).catch(handlePromiseError);
+    loot.Dialog.closeProgress();
+  }).catch(handlePromiseError);
 }
 function onOpenReadme(evt) {
-    loot.query('openReadme').catch(handlePromiseError);
+  loot.query('openReadme').catch(handlePromiseError);
 }
 /* Masterlist update process, minus progress dialog. */
 function updateMasterlistNoProgress() {
-    return loot.query('updateMasterlist').then(JSON.parse).then(function(result){
-        if (result) {
-            /* Update JS variables. */
-            loot.game.masterlist = result.masterlist;
-            loot.game.globalMessages = result.globalMessages;
+  return loot.query('updateMasterlist').then(JSON.parse).then((result) => {
+    if (result) {
+      /* Update JS variables. */
+      loot.game.masterlist = result.masterlist;
+      loot.game.globalMessages = result.globalMessages;
 
-            result.plugins.forEach(function(plugin){
-                for (var i = 0; i < loot.game.plugins.length; ++i) {
-                    if (loot.game.plugins[i].name == plugin.name) {
-                        loot.game.plugins[i].isDirty = plugin.isDirty;
-                        loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
-                        loot.game.plugins[i].masterlist = plugin.masterlist;
-                        loot.game.plugins[i].messages = plugin.messages;
-                        loot.game.plugins[i].priority = plugin.priority;
-                        loot.game.plugins[i].tags = plugin.tags;
-                        break;
-                    }
-                }
-            });
-            /* Hack to stop cards overlapping. */
-            document.getElementById('main').lastElementChild.updateSize();
-
-            loot.Dialog.showNotification(loot.l10n.translate('Masterlist updated to revision %s.', loot.game.masterlist.revision));
-        } else {
-            loot.Dialog.showNotification(loot.l10n.translate('No masterlist update was necessary.'));
+      result.plugins.forEach((plugin) => {
+        for (let i = 0; i < loot.game.plugins.length; ++i) {
+          if (loot.game.plugins[i].name === plugin.name) {
+            loot.game.plugins[i].isDirty = plugin.isDirty;
+            loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
+            loot.game.plugins[i].masterlist = plugin.masterlist;
+            loot.game.plugins[i].messages = plugin.messages;
+            loot.game.plugins[i].priority = plugin.priority;
+            loot.game.plugins[i].tags = plugin.tags;
+            break;
+          }
         }
-    }).catch(handlePromiseError);
-}
-function onUpdateMasterlist(evt) {
-    loot.Dialog.showProgress(loot.l10n.translate('Updating masterlist...'));
-    updateMasterlistNoProgress().then(function(result){
-        loot.Dialog.closeProgress();
-    }).catch(handlePromiseError);
-}
-function onSortPlugins(evt) {
-    if (document.body.hasAttribute('data-conflicts')) {
-        /* Deactivate any existing plugin conflict filter. */
-        for (var i = 0; i < loot.game.plugins.length; ++i) {
-            loot.game.plugins[i].isConflictFilterChecked = false;
-        }
-        /* Un-highlight any existing filter plugin. */
-        var cards = document.getElementById('main').getElementsByTagName('loot-plugin-card');
-        for (var i = 0; i < cards.length; ++i) {
-            cards[i].classList.toggle('highlight', false);
-        }
-        document.body.removeAttribute('data-conflicts');
-    }
+      });
+      /* Hack to stop cards overlapping. */
+      document.getElementById('main').lastElementChild.updateSize();
 
-    var promise = Promise.resolve('');
-    if (loot.settings.updateMasterlist) {
-        promise = promise.then(updateMasterlistNoProgress());
-    }
-    promise.then(function(){
-        loot.Dialog.showProgress(loot.l10n.translate('Sorting plugins...'));
-        loot.query('sortPlugins').then(JSON.parse).then(function(result){
-            if (result) {
-                loot.game.oldLoadOrder = loot.game.plugins;
-                loot.game.loadOrder = [];
-                result.forEach(function(plugin){
-                    var found = false;
-                    for (var i = 0; i < loot.game.plugins.length; ++i) {
-                        if (loot.game.plugins[i].name == plugin.name) {
-                            loot.game.plugins[i].crc = plugin.crc;
-                            loot.game.plugins[i].isEmpty = plugin.isEmpty;
-
-                            loot.game.plugins[i].messages = plugin.messages;
-                            loot.game.plugins[i].tags = plugin.tags;
-                            loot.game.plugins[i].isDirty = plugin.isDirty;
-
-                            loot.game.loadOrder.push(loot.game.plugins[i]);
-
-                            found = true;
-                            break;
-                        }
-                    }
-                    if (!found) {
-                        loot.game.plugins.push(new loot.Plugin(plugin));
-                        loot.game.loadOrder.push(loot.game.plugins[loot.game.plugins.length - 1]);
-                    }
-                });
-
-                if (loot.settings.neverTellMeTheOdds) {
-                    /* Array shuffler from <https://stackoverflow.com/questions/6274339/how-can-i-shuffle-an-array-in-javascript> */
-                    for(var j, x, i = loot.game.loadOrder.length; i; j = Math.floor(Math.random() * i), x = loadOrder[--i], loot.game.loadOrder[i] = loot.game.loadOrder[j], loot.game.loadOrder[j] = x);
-                }
-
-                /* Now update the UI for the new order. */
-                loot.game.plugins = loot.game.loadOrder;
-                setFilteredUIData();
-
-                /* Now hide the masterlist update buttons, and display the accept and
-                   cancel sort buttons. */
-                hideElement(document.getElementById('updateMasterlistButton'));
-                hideElement(document.getElementById('sortButton'));
-                showElement(document.getElementById('applySortButton'));
-                showElement(document.getElementById('cancelSortButton'));
-
-                /* Disable changing game. */
-                document.getElementById('gameMenu').setAttribute('disabled', '');
-                loot.Dialog.closeProgress();
-            }
-        }).catch(handlePromiseError);
-    }).catch(handlePromiseError);
-}
-function onApplySort(evt) {
-    var loadOrder = [];
-    loot.game.plugins.forEach(function(plugin){
-        loadOrder.push(plugin.name);
-    });
-    return loot.query('applySort', loadOrder).then(function(result){
-        /* Remove old load order storage. */
-        delete loot.game.loadOrder;
-        delete loot.game.oldLoadOrder;
-
-        /* Now show the masterlist update buttons, and hide the accept and
-           cancel sort buttons. */
-        showElement(document.getElementById('updateMasterlistButton'));
-        showElement(document.getElementById('sortButton'));
-        hideElement(document.getElementById('applySortButton'));
-        hideElement(document.getElementById('cancelSortButton'));
-
-        /* Enable changing game. */
-        document.getElementById('gameMenu').removeAttribute('disabled');
-    }).catch(handlePromiseError);
-}
-function onCancelSort(evt) {
-    return loot.query('cancelSort').then(function(){
-        /* Sort UI elements again according to stored old load order. */
-        loot.game.plugins = loot.game.oldLoadOrder;
-        setFilteredUIData();
-        delete loot.game.loadOrder;
-        delete loot.game.oldLoadOrder;
-
-        /* Now show the masterlist update buttons, and hide the accept and
-           cancel sort buttons. */
-        showElement(document.getElementById('updateMasterlistButton'));
-        showElement(document.getElementById('sortButton'));
-        hideElement(document.getElementById('applySortButton'));
-        hideElement(document.getElementById('cancelSortButton'));
-
-        /* Enable changing game. */
-        document.getElementById('gameMenu').removeAttribute('disabled');
-    }).catch(handlePromiseError);
-}
-function onRedatePlugins(evt) {
-    if (evt.target.hasAttribute('disabled')) {
-        return;
-    }
-
-    loot.Dialog.askQuestion(loot.l10n.translate('Redate Plugins?'), loot.l10n.translate('This feature is provided so that modders using the Creation Kit may set the load order it uses. A side-effect is that any subscribed Steam Workshop mods will be re-downloaded by Steam. Do you wish to continue?'), loot.l10n.translate('Redate'), function(result){
-        if (result) {
-            loot.query('redatePlugins').then(function(response){
-                loot.Dialog.showNotification('Plugins were successfully redated.');
-            }).catch(handlePromiseError);
-        }
-    });
-}
-function onClearAllMetadata(evt) {
-    loot.Dialog.askQuestion('', loot.l10n.translate('Are you sure you want to clear all existing user-added metadata from all plugins?'), loot.l10n.translate('Clear'), function(result){
-        if (result) {
-            loot.query('clearAllMetadata').then(JSON.parse).then(function(result){
-                if (result) {
-                    /* Need to empty the UI-side user metadata. */
-                    result.forEach(function(plugin){
-                        for (var i = 0; i < loot.game.plugins.length; ++i) {
-                            if (loot.game.plugins[i].name == plugin.name) {
-                                loot.game.plugins[i].userlist = undefined;
-                                loot.game.plugins[i].editor = undefined;
-
-                                loot.game.plugins[i].priority = plugin.priority;
-                                loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
-                                loot.game.plugins[i].messages = plugin.messages;
-                                loot.game.plugins[i].tags = plugin.tags;
-                                loot.game.plugins[i].isDirty = plugin.isDirty;
-
-                                break;
-                            }
-                        }
-                    });
-
-                    loot.Dialog.showNotification(loot.l10n.translate('All user-added metadata has been cleared.'));
-                }
-            }).catch(handlePromiseError);
-        }
-    });
-}
-function onCopyContent(evt) {
-    var messages = [];
-    var plugins = [];
-
-    if (loot.game) {
-        if (loot.game.globalMessages) {
-            loot.game.globalMessages.forEach(function(message){
-                var m = {};
-                messages.push({
-                    type: message.type,
-                    content: message.content[0].str
-                });
-            });
-        }
-        if (loot.game.plugins) {
-            loot.game.plugins.forEach(function(plugin){
-                plugins.push({
-                    name: plugin.name,
-                    crc: plugin.crc,
-                    version: plugin.version,
-                    isActive: plugin.isActive,
-                    isEmpty: plugin.isEmpty,
-                    loadsArchive: plugin.loadsArchive,
-
-                    priority: plugin.priority,
-                    isPriorityGlobal: plugin.isPriorityGlobal,
-                    messages: plugin.messages,
-                    tags: plugin.tags,
-                    isDirty: plugin.isDirty
-                });
-            });
-        }
+      loot.Dialog.showNotification(loot.l10n.translate('Masterlist updated to revision %s.', loot.game.masterlist.revision));
     } else {
-        var message = document.getElementById('summary').getElementsByTagName('ul')[0].firstElementChild;
-        if (message) {
-            messages.push({
-                type: 'error',
-                content: message.textContent
-            });
-        }
+      loot.Dialog.showNotification(loot.l10n.translate('No masterlist update was necessary.'));
     }
-
-    loot.query('copyContent', {
-        messages: messages,
-        plugins: plugins
-    }).then(function(){
-        loot.Dialog.showNotification(loot.l10n.translate("LOOT's content has been copied to the clipboard."));
-    }).catch(handlePromiseError);
+  }).catch(handlePromiseError);
 }
-function onCopyLoadOrder(evt) {
-    var plugins = [];
-
-    if (loot.game) {
-        if (loot.game.plugins) {
-            loot.game.plugins.forEach(function(plugin){
-                plugins.push(plugin.name);
-            });
-        }
-    }
-
-    loot.query('copyLoadOrder', plugins).then(function(){
-        loot.Dialog.showNotification(loot.l10n.translate("The load order has been copied to the clipboard."));
-    }).catch(handlePromiseError);
+function onUpdateMasterlist() {
+  loot.Dialog.showProgress(loot.l10n.translate('Updating masterlist...'));
+  updateMasterlistNoProgress().then(() => {
+    loot.Dialog.closeProgress();
+  }).catch(handlePromiseError);
 }
-function onSwitchSidebarTab(evt) {
-    if (evt.detail.isSelected) {
-        document.getElementById(evt.target.selected).parentElement.selected = evt.target.selected;
-    }
-}
-function onShowAboutDialog(evt) {
-    document.getElementById('about').showModal();
-}
-function areSettingsValid() {
-    /* Validate inputs individually. */
-    var inputs = document.getElementById('settingsDialog').getElementsByTagName('loot-validated-input');
-    for (var i = 0; i < inputs.length; ++i) {
-        if (!inputs[i].checkValidity()) {
-            return false;
-        }
-    }
-    return true;
-}
-function onCloseSettingsDialog(evt) {
-    if (evt.target.classList.contains('accept')) {
-        if (!areSettingsValid()) {
-            return;
-        }
-
-        /* Update the JS variable values. */
-        var settings = {
-            enableDebugLogging: document.getElementById('enableDebugLogging').checked,
-            game: document.getElementById('defaultGameSelect').value,
-            games: document.getElementById('gameTable').getRowsData(false),
-            language: document.getElementById('languageSelect').value,
-            lastGame: loot.settings.lastGame,
-            updateMasterlist: document.getElementById('updateMasterlist').checked,
-            filters: loot.settings.filters,
-        };
-
-        /* Send the settings back to the C++ side. */
-        loot.query('closeSettings', settings).then(function(result){
-
-            try {
-                setInstalledGames(JSON.parse(result));
-            } catch (e) {
-                console.log(e);
-                console.log('getInstalledGames response: ' + results[1]);
-            }
-
-            loot.settings = settings;
-            updateSettingsUI();
-        }).catch(handlePromiseError);
-    } else {
-        /* Re-apply the existing settings to the settings dialog elements. */
-        updateSettingsUI();
-    }
-    evt.target.parentElement.close();
-}
-function onShowSettingsDialog(evt) {
-    document.getElementById('settingsDialog').showModal();
-}
-function onFocusSearch(evt) {
-    if (evt.ctrlKey && evt.keyCode == 70) { //'f'
-        document.getElementById('mainToolbar').classList.add('search');
-        document.getElementById('searchBar').focusInput();
-    }
-}
-function onEditorOpen(evt) {
-    /* Set up drag 'n' drop event handlers. */
-    var elements = document.getElementById('cardsNav').getElementsByTagName('loot-plugin-item');
-    for (var i = 0; i < elements.length; ++i) {
-        elements[i].draggable = true;
-        elements[i].addEventListener('dragstart', elements[i].onDragStart, false);
-    }
-
-    /* Now show editor. */
-    evt.target.classList.toggle('flip');
-
-    /* Enable priority hover in plugins list and enable header
-       buttons if this is the only editor instance. */
-    var numEditors = 0;
-    if (document.body.hasAttribute('data-editors')) {
-        numEditors = parseInt(document.body.getAttribute('data-editors'), 10);
-    }
-    ++numEditors;
-
-    if (numEditors == 1) {
-        /* Set the edit mode toggle attribute. */
-        document.getElementById('cardsNav').setAttribute('data-editModeToggle', '');
-        /* Disable the toolbar elements. */
-        document.getElementById('wipeUserlistButton').setAttribute('disabled', '');
-        document.getElementById('copyContentButton').setAttribute('disabled', '');
-        document.getElementById('refreshContentButton').setAttribute('disabled', '');
-        document.getElementById('settingsButton').setAttribute('disabled', '');
-        document.getElementById('gameMenu').setAttribute('disabled', '');
-        document.getElementById('updateMasterlistButton').setAttribute('disabled', '');
-        document.getElementById('sortButton').setAttribute('disabled', '');
-    }
-    document.body.setAttribute('data-editors', numEditors);
-    document.getElementById('cardsNav').updateSize();
-
-    return loot.query('editorOpened').catch(handlePromiseError);
-}
-function onEditorClose(evt) {
-    /* evt.detail is true if the apply button was pressed. */
-    var promise;
-    if (evt.detail) {
-        /* Need to record the editor control values and work out what's
-           changed, and update any UI elements necessary. Offload the
-           majority of the work to the C++ side of things. */
-
-        var edits = evt.target.readFromEditor(evt.target.data);
-        promise = loot.query('editorClosed', edits).then(JSON.parse).then(function(result){
-            if (result) {
-                evt.target.data.priority = result.priority;
-                evt.target.data.isPriorityGlobal = result.isPriorityGlobal;
-                evt.target.data.messages = result.messages;
-                evt.target.data.tags = result.tags;
-                evt.target.data.isDirty = result.isDirty;
-
-                evt.target.data.userlist = edits.userlist;
-
-                /* Now perform search again. If there is no current search, this won't
-                   do anything. */
-                document.getElementById('searchBar').search();
-            }
-        });
-    } else {
-        /* Don't need to record changes, but still need to notify C++ side that
-           the editor has been closed. */
-        promise = loot.query('editorClosed');
-    }
-    promise.then(function(){
-        delete evt.target.data.editor;
-
-        /* Now hide editor. */
-        evt.target.classList.toggle('flip');
-        evt.target.data.isEditorOpen = false;
-
-        /* Remove drag 'n' drop event handlers. */
-        var elements = document.getElementById('cardsNav').getElementsByTagName('loot-plugin-item');
-        for (var i = 0; i < elements.length; ++i) {
-            elements[i].removeAttribute('draggable');
-            elements[i].removeEventListener('dragstart', elements[i].onDragStart, false);
-        }
-
-        /* Disable priority hover in plugins list and enable header
-           buttons if this is the only editor instance. */
-        var numEditors = parseInt(document.body.getAttribute('data-editors'), 10);
-        --numEditors;
-
-        if (numEditors == 0) {
-            document.body.removeAttribute('data-editors');
-            /* Set the edit mode toggle attribute. */
-            document.getElementById('cardsNav').setAttribute('data-editModeToggle', '');
-            /* Re-enable toolbar elements. */
-            document.getElementById('wipeUserlistButton').removeAttribute('disabled');
-            document.getElementById('copyContentButton').removeAttribute('disabled');
-            document.getElementById('refreshContentButton').removeAttribute('disabled');
-            document.getElementById('settingsButton').removeAttribute('disabled');
-            document.getElementById('gameMenu').removeAttribute('disabled');
-            document.getElementById('updateMasterlistButton').removeAttribute('disabled');
-            document.getElementById('sortButton').removeAttribute('disabled');
-        } else {
-            document.body.setAttribute('data-editors', numEditors);
-        }
-        document.getElementById('cardsNav').updateSize();
-    }).catch(handlePromiseError);
-}
-function onConflictsFilter(evt) {
+function onSortPlugins() {
+  if (document.body.hasAttribute('data-conflicts')) {
     /* Deactivate any existing plugin conflict filter. */
-    for (var i = 0; i < loot.game.plugins.length; ++i) {
-        if (loot.game.plugins[i].id != evt.target.id) {
-            loot.game.plugins[i].isConflictFilterChecked = false;
-        }
+    for (let i = 0; i < loot.game.plugins.length; ++i) {
+      loot.game.plugins[i].isConflictFilterChecked = false;
     }
     /* Un-highlight any existing filter plugin. */
-    var cards = document.getElementById('main').getElementsByTagName('loot-plugin-card');
-    for (var i = 0; i < cards.length; ++i) {
-        cards[i].classList.toggle('highlight', false);
+    const cards = document.getElementById('main').getElementsByTagName('loot-plugin-card');
+    for (let i = 0; i < cards.length; ++i) {
+      cards[i].classList.toggle('highlight', false);
     }
-    /* evt.detail is true if the filter has been activated. */
-    if (evt.detail) {
-        document.body.setAttribute('data-conflicts', evt.target.getName());
-        evt.target.classList.toggle('highlight', true);
-    } else {
-        document.body.removeAttribute('data-conflicts');
+    document.body.removeAttribute('data-conflicts');
+  }
+
+  let promise = Promise.resolve('');
+  if (loot.settings.updateMasterlist) {
+    promise = promise.then(updateMasterlistNoProgress());
+  }
+  promise.then(() => {
+    loot.Dialog.showProgress(loot.l10n.translate('Sorting plugins...'));
+    return loot.query('sortPlugins').then(JSON.parse);
+  }).then((result) => {
+    if (!result) {
+      return;
     }
-    setFilteredUIData(evt);
-}
-function onCopyMetadata(evt) {
-    loot.query('copyMetadata', evt.target.getName()).then(function(){
-        loot.Dialog.showNotification(loot.l10n.translate('The metadata for "%s" has been copied to the clipboard.', evt.target.getName()));
-    }).catch(handlePromiseError);
-}
-function onClearMetadata(evt) {
-    loot.Dialog.askQuestion('', loot.l10n.translate('Are you sure you want to clear all existing user-added metadata from "%s"?', evt.target.getName()), loot.l10n.translate('Clear'), function(result){
-        if (result) {
-            loot.query('clearPluginMetadata', evt.target.getName()).then(JSON.parse).then(function(result){
-                if (result) {
-                    /* Need to empty the UI-side user metadata. */
-                    for (var i = 0; i < loot.game.plugins.length; ++i) {
-                        if (loot.game.plugins[i].id == evt.target.id) {
-                            loot.game.plugins[i].userlist = undefined;
-                            loot.game.plugins[i].editor = undefined;
+    loot.game.oldLoadOrder = loot.game.plugins;
+    loot.game.loadOrder = [];
+    result.forEach((plugin) => {
+      let found = false;
+      for (let i = 0; i < loot.game.plugins.length; ++i) {
+        if (loot.game.plugins[i].name === plugin.name) {
+          loot.game.plugins[i].crc = plugin.crc;
+          loot.game.plugins[i].isEmpty = plugin.isEmpty;
 
-                            loot.game.plugins[i].priority = result.priority;
-                            loot.game.plugins[i].isPriorityGlobal = result.isPriorityGlobal;
-                            loot.game.plugins[i].messages = result.messages;
-                            loot.game.plugins[i].tags = result.tags;
-                            loot.game.plugins[i].isDirty = result.isDirty;
+          loot.game.plugins[i].messages = plugin.messages;
+          loot.game.plugins[i].tags = plugin.tags;
+          loot.game.plugins[i].isDirty = plugin.isDirty;
 
-                            break;
-                        }
-                    }
-                    loot.Dialog.showNotification(loot.l10n.translate('The user-added metadata for "%s" has been cleared.', evt.target.getName()));
-                    /* Now perform search again. If there is no current search, this won't
-                       do anything. */
-                    document.getElementById('searchBar').search();
-                }
-            }).catch(handlePromiseError);
+          loot.game.loadOrder.push(loot.game.plugins[i]);
+
+          found = true;
+          break;
         }
+      }
+      if (!found) {
+        loot.game.plugins.push(new loot.Plugin(plugin));
+        loot.game.loadOrder.push(loot.game.plugins[loot.game.plugins.length - 1]);
+      }
     });
-}
-function onSidebarClick(evt) {
-    if (evt.target.hasAttribute('data-index')) {
-        document.getElementById('main').lastElementChild.scrollToItem(evt.target.getAttribute('data-index'));
 
-        if (evt.type == 'dblclick') {
-            var card = document.getElementById(evt.target.getAttribute('data-id'));
-            if (!card.classList.contains('flip')) {
-                document.getElementById(evt.target.getAttribute('data-id')).onShowEditor();
-            }
-        }
+    /* Now update the UI for the new order. */
+    loot.game.plugins = loot.game.loadOrder;
+    setFilteredUIData();
+
+    /* Now hide the masterlist update buttons, and display the accept and
+       cancel sort buttons. */
+    hideElement(document.getElementById('updateMasterlistButton'));
+    hideElement(document.getElementById('sortButton'));
+    showElement(document.getElementById('applySortButton'));
+    showElement(document.getElementById('cancelSortButton'));
+
+    /* Disable changing game. */
+    document.getElementById('gameMenu').setAttribute('disabled', '');
+    loot.Dialog.closeProgress();
+  }).catch(handlePromiseError);
+}
+function onApplySort() {
+  const loadOrder = [];
+  loot.game.plugins.forEach((plugin) => {
+    loadOrder.push(plugin.name);
+  });
+  return loot.query('applySort', loadOrder).then((result) => {
+    /* Remove old load order storage. */
+    delete loot.game.loadOrder;
+    delete loot.game.oldLoadOrder;
+
+    /* Now show the masterlist update buttons, and hide the accept and
+       cancel sort buttons. */
+    showElement(document.getElementById('updateMasterlistButton'));
+    showElement(document.getElementById('sortButton'));
+    hideElement(document.getElementById('applySortButton'));
+    hideElement(document.getElementById('cancelSortButton'));
+
+    /* Enable changing game. */
+    document.getElementById('gameMenu').removeAttribute('disabled');
+  }).catch(handlePromiseError);
+}
+function onCancelSort(evt) {
+  return loot.query('cancelSort').then(() => {
+    /* Sort UI elements again according to stored old load order. */
+    loot.game.plugins = loot.game.oldLoadOrder;
+    setFilteredUIData();
+    delete loot.game.loadOrder;
+    delete loot.game.oldLoadOrder;
+
+    /* Now show the masterlist update buttons, and hide the accept and
+       cancel sort buttons. */
+    showElement(document.getElementById('updateMasterlistButton'));
+    showElement(document.getElementById('sortButton'));
+    hideElement(document.getElementById('applySortButton'));
+    hideElement(document.getElementById('cancelSortButton'));
+
+    /* Enable changing game. */
+    document.getElementById('gameMenu').removeAttribute('disabled');
+  }).catch(handlePromiseError);
+}
+function onRedatePlugins(evt) {
+  if (evt.target.hasAttribute('disabled')) {
+    return;
+  }
+
+  loot.Dialog.askQuestion(loot.l10n.translate('Redate Plugins?'), loot.l10n.translate('This feature is provided so that modders using the Creation Kit may set the load order it uses. A side-effect is that any subscribed Steam Workshop mods will be re-downloaded by Steam. Do you wish to continue?'), loot.l10n.translate('Redate'), (result) => {
+    if (result) {
+      loot.query('redatePlugins').then(() => {
+        loot.Dialog.showNotification('Plugins were successfully redated.');
+      }).catch(handlePromiseError);
     }
+  });
 }
-function onQuit(evt) {
-    if (!document.getElementById('applySortButton').classList.contains('hidden')) {
-        handleUnappliedChangesClose(loot.l10n.translate('sorted load order'));
-    } else if (document.body.hasAttribute('data-editors')) {
-        handleUnappliedChangesClose(loot.l10n.translate('metadata edits'));
-    } else {
-        window.close();
+function onClearAllMetadata() {
+  loot.Dialog.askQuestion('', loot.l10n.translate('Are you sure you want to clear all existing user-added metadata from all plugins?'), loot.l10n.translate('Clear'), (result) => {
+    if (!result) {
+      return;
     }
-}
-function onJumpToGeneralInfo(evt) {
-    window.location.hash = '';
-    document.getElementById('main').scrollTop = 0;
-}
-function onContentRefresh(evt) {
-    /* Send a query for updated load order and plugin header info. */
-    loot.Dialog.showProgress(loot.l10n.translate('Refreshing data...'));
-    loot.query('getGameData').then(function(result){
-        /* Parse the data sent from C++. */
-        try {
-            /* We don't want the plugin info creating cards, so don't convert
-               to plugin objects. */
-            var gameInfo = JSON.parse(result);
-        } catch (e) {
-            console.log(e);
-            console.log('getGameData response: ' + result);
+    loot.query('clearAllMetadata').then(JSON.parse).then((plugins) => {
+      if (!plugins) {
+        return;
+      }
+      /* Need to empty the UI-side user metadata. */
+      plugins.forEach((plugin) => {
+        for (let i = 0; i < loot.game.plugins.length; ++i) {
+          if (loot.game.plugins[i].name === plugin.name) {
+            loot.game.plugins[i].userlist = undefined;
+            loot.game.plugins[i].editor = undefined;
+
+            loot.game.plugins[i].priority = plugin.priority;
+            loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
+            loot.game.plugins[i].messages = plugin.messages;
+            loot.game.plugins[i].tags = plugin.tags;
+            loot.game.plugins[i].isDirty = plugin.isDirty;
+
+            break;
+          }
         }
+      });
 
-        /* Now overwrite plugin data with the newly sent data. Also update
-           card and li vars as they were unset when the game was switched
-           from before. */
-        var pluginNames = [];
-        gameInfo.plugins.forEach(function(plugin){
-            var foundPlugin = false;
-            for (var i = 0; i < loot.game.plugins.length; ++i) {
-                if (loot.game.plugins[i].name == plugin.name) {
-
-                    loot.game.plugins[i].isActive = plugin.isActive;
-                    loot.game.plugins[i].isEmpty = plugin.isEmpty;
-                    loot.game.plugins[i].loadsArchive = plugin.loadsArchive;
-                    loot.game.plugins[i].crc = plugin.crc;
-                    loot.game.plugins[i].version = plugin.version;
-
-                    loot.game.plugins[i].priority = plugin.priority;
-                    loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
-                    loot.game.plugins[i].messages = plugin.messages;
-                    loot.game.plugins[i].tags = plugin.tags;
-                    loot.game.plugins[i].isDirty = plugin.isDirty;
-
-                    foundPlugin = true;
-                    break;
-                }
-            }
-            if (!foundPlugin) {
-                /* A new plugin. */
-                loot.game.plugins.push(new loot.Plugin(plugin));
-            }
-            pluginNames.push(plugin.name);
-        });
-        for (var i = 0; i < loot.game.plugins.length;) {
-            var foundPlugin = false;
-            for (var j = 0; j < pluginNames.length; ++j) {
-                if (loot.game.plugins[i].name == pluginNames[j]) {
-                    foundPlugin = true;
-                    break;
-                }
-            }
-            if (!foundPlugin) {
-                /* Remove plugin. */
-                loot.game.plugins.splice(i, 1);
-            } else {
-                ++i;
-            }
-        }
-
-        /* Reapply filters. */
-        setFilteredUIData();
-
-        loot.Dialog.closeProgress();
+      loot.Dialog.showNotification(loot.l10n.translate('All user-added metadata has been cleared.'));
     }).catch(handlePromiseError);
+  });
 }
-function onSearchOpen(evt) {
+function onCopyContent() {
+  const messages = [];
+  const plugins = [];
+
+  if (loot.game) {
+    if (loot.game.globalMessages) {
+      loot.game.globalMessages.forEach((message) => {
+        messages.push({
+          type: message.type,
+          content: message.content[0].str,
+        });
+      });
+    }
+    if (loot.game.plugins) {
+      loot.game.plugins.forEach((plugin) => {
+        plugins.push({
+          name: plugin.name,
+          crc: plugin.crc,
+          version: plugin.version,
+          isActive: plugin.isActive,
+          isEmpty: plugin.isEmpty,
+          loadsArchive: plugin.loadsArchive,
+
+          priority: plugin.priority,
+          isPriorityGlobal: plugin.isPriorityGlobal,
+          messages: plugin.messages,
+          tags: plugin.tags,
+          isDirty: plugin.isDirty,
+        });
+      });
+    }
+  } else {
+    const message = document.getElementById('summary').getElementsByTagName('ul')[0].firstElementChild;
+    if (message) {
+      messages.push({
+        type: 'error',
+        content: message.textContent,
+      });
+    }
+  }
+
+  loot.query('copyContent', {
+    messages: messages,
+    plugins: plugins,
+  }).then(() => {
+    loot.Dialog.showNotification(loot.l10n.translate("LOOT's content has been copied to the clipboard."));
+  }).catch(handlePromiseError);
+}
+function onCopyLoadOrder() {
+  const plugins = [];
+
+  if (loot.game) {
+    if (loot.game.plugins) {
+      loot.game.plugins.forEach((plugin) =>{
+        plugins.push(plugin.name);
+      });
+    }
+  }
+
+  loot.query('copyLoadOrder', plugins).then(() => {
+    loot.Dialog.showNotification(loot.l10n.translate('The load order has been copied to the clipboard.'));
+  }).catch(handlePromiseError);
+}
+function onSwitchSidebarTab(evt) {
+  if (evt.detail.isSelected) {
+    document.getElementById(evt.target.selected).parentElement.selected = evt.target.selected;
+  }
+}
+function onShowAboutDialog() {
+  document.getElementById('about').showModal();
+}
+function areSettingsValid() {
+  /* Validate inputs individually. */
+  const inputs = document.getElementById('settingsDialog').getElementsByTagName('loot-validated-input');
+  for (let i = 0; i < inputs.length; ++i) {
+    if (!inputs[i].checkValidity()) {
+      return false;
+    }
+  }
+  return true;
+}
+function onCloseSettingsDialog(evt) {
+  if (evt.target.classList.contains('accept')) {
+    if (!areSettingsValid()) {
+      return;
+    }
+
+    /* Update the JS variable values. */
+    const settings = {
+      enableDebugLogging: document.getElementById('enableDebugLogging').checked,
+      game: document.getElementById('defaultGameSelect').value,
+      games: document.getElementById('gameTable').getRowsData(false),
+      language: document.getElementById('languageSelect').value,
+      lastGame: loot.settings.lastGame,
+      updateMasterlist: document.getElementById('updateMasterlist').checked,
+      filters: loot.settings.filters,
+    };
+
+    /* Send the settings back to the C++ side. */
+    loot.query('closeSettings', settings).then(JSON.parse).then((result) => {
+      setInstalledGames(result);
+    }).catch(handlePromiseError).then(() => {
+      loot.settings = settings;
+      updateSettingsUI();
+    }).catch(handlePromiseError);
+  } else {
+    /* Re-apply the existing settings to the settings dialog elements. */
+    updateSettingsUI();
+  }
+  evt.target.parentElement.close();
+}
+function onShowSettingsDialog() {
+  document.getElementById('settingsDialog').showModal();
+}
+function onFocusSearch(evt) {
+  if (evt.ctrlKey && evt.keyCode === 70) { // 'f'
     document.getElementById('mainToolbar').classList.add('search');
     document.getElementById('searchBar').focusInput();
+  }
 }
-function onSearchClose(evt) {
-    document.getElementById('mainToolbar').classList.remove('search');
+function onEditorOpen(evt) {
+  /* Set up drag 'n' drop event handlers. */
+  const elements = document.getElementById('cardsNav').getElementsByTagName('loot-plugin-item');
+  for (let i = 0; i < elements.length; ++i) {
+    elements[i].draggable = true;
+    elements[i].addEventListener('dragstart', elements[i].onDragStart);
+  }
+
+  /* Now show editor. */
+  evt.target.classList.toggle('flip');
+
+  /* Enable priority hover in plugins list and enable header
+     buttons if this is the only editor instance. */
+  let numEditors = 0;
+  if (document.body.hasAttribute('data-editors')) {
+    numEditors = parseInt(document.body.getAttribute('data-editors'), 10);
+  }
+  ++numEditors;
+
+  if (numEditors === 1) {
+    /* Set the edit mode toggle attribute. */
+    document.getElementById('cardsNav').setAttribute('data-editModeToggle', '');
+    /* Disable the toolbar elements. */
+    document.getElementById('wipeUserlistButton').setAttribute('disabled', '');
+    document.getElementById('copyContentButton').setAttribute('disabled', '');
+    document.getElementById('refreshContentButton').setAttribute('disabled', '');
+    document.getElementById('settingsButton').setAttribute('disabled', '');
+    document.getElementById('gameMenu').setAttribute('disabled', '');
+    document.getElementById('updateMasterlistButton').setAttribute('disabled', '');
+    document.getElementById('sortButton').setAttribute('disabled', '');
+  }
+  document.body.setAttribute('data-editors', numEditors);
+  document.getElementById('cardsNav').updateSize();
+
+  return loot.query('editorOpened').catch(handlePromiseError);
+}
+function onEditorClose(evt) {
+  /* evt.detail is true if the apply button was pressed. */
+  let promise;
+  if (evt.detail) {
+    /* Need to record the editor control values and work out what's
+       changed, and update any UI elements necessary. Offload the
+       majority of the work to the C++ side of things. */
+    const edits = evt.target.readFromEditor(evt.target.data);
+    promise = loot.query('editorClosed', edits).then(JSON.parse).then((result) => {
+      if (result) {
+        evt.target.data.priority = result.priority;
+        evt.target.data.isPriorityGlobal = result.isPriorityGlobal;
+        evt.target.data.messages = result.messages;
+        evt.target.data.tags = result.tags;
+        evt.target.data.isDirty = result.isDirty;
+
+        evt.target.data.userlist = edits.userlist;
+
+        /* Now perform search again. If there is no current search, this won't
+           do anything. */
+        document.getElementById('searchBar').search();
+      }
+    });
+  } else {
+    /* Don't need to record changes, but still need to notify C++ side that
+       the editor has been closed. */
+    promise = loot.query('editorClosed');
+  }
+  promise.then(() => {
+    delete evt.target.data.editor;
+
+    /* Now hide editor. */
+    evt.target.classList.toggle('flip');
+    evt.target.data.isEditorOpen = false;
+
+    /* Remove drag 'n' drop event handlers. */
+    const elements = document.getElementById('cardsNav').getElementsByTagName('loot-plugin-item');
+    for (let i = 0; i < elements.length; ++i) {
+      elements[i].removeAttribute('draggable');
+      elements[i].removeEventListener('dragstart', elements[i].onDragStart);
+    }
+
+    /* Disable priority hover in plugins list and enable header
+       buttons if this is the only editor instance. */
+    let numEditors = parseInt(document.body.getAttribute('data-editors'), 10);
+    --numEditors;
+
+    if (numEditors === 0) {
+      document.body.removeAttribute('data-editors');
+      /* Set the edit mode toggle attribute. */
+      document.getElementById('cardsNav').setAttribute('data-editModeToggle', '');
+      /* Re-enable toolbar elements. */
+      document.getElementById('wipeUserlistButton').removeAttribute('disabled');
+      document.getElementById('copyContentButton').removeAttribute('disabled');
+      document.getElementById('refreshContentButton').removeAttribute('disabled');
+      document.getElementById('settingsButton').removeAttribute('disabled');
+      document.getElementById('gameMenu').removeAttribute('disabled');
+      document.getElementById('updateMasterlistButton').removeAttribute('disabled');
+      document.getElementById('sortButton').removeAttribute('disabled');
+    } else {
+      document.body.setAttribute('data-editors', numEditors);
+    }
+    document.getElementById('cardsNav').updateSize();
+  }).catch(handlePromiseError);
+}
+function onConflictsFilter(evt) {
+  /* Deactivate any existing plugin conflict filter. */
+  for (let i = 0; i < loot.game.plugins.length; ++i) {
+    if (loot.game.plugins[i].id !== evt.target.id) {
+      loot.game.plugins[i].isConflictFilterChecked = false;
+    }
+  }
+  /* Un-highlight any existing filter plugin. */
+  const cards = document.getElementById('main').getElementsByTagName('loot-plugin-card');
+  for (let i = 0; i < cards.length; ++i) {
+    cards[i].classList.toggle('highlight', false);
+  }
+  /* evt.detail is true if the filter has been activated. */
+  if (evt.detail) {
+    document.body.setAttribute('data-conflicts', evt.target.getName());
+    evt.target.classList.toggle('highlight', true);
+  } else {
+    document.body.removeAttribute('data-conflicts');
+  }
+  setFilteredUIData();
+}
+function onCopyMetadata(evt) {
+  loot.query('copyMetadata', evt.target.getName()).then(() => {
+    loot.Dialog.showNotification(loot.l10n.translate('The metadata for "%s" has been copied to the clipboard.', evt.target.getName()));
+  }).catch(handlePromiseError);
+}
+function onClearMetadata(evt) {
+  loot.Dialog.askQuestion('', loot.l10n.translate('Are you sure you want to clear all existing user-added metadata from "%s"?', evt.target.getName()), loot.l10n.translate('Clear'), (result) => {
+    if (!result) {
+      return;
+    }
+    loot.query('clearPluginMetadata', evt.target.getName()).then(JSON.parse).then((plugin) => {
+      if (!result) {
+        return;
+      }
+      /* Need to empty the UI-side user metadata. */
+      for (let i = 0; i < loot.game.plugins.length; ++i) {
+        if (loot.game.plugins[i].id === evt.target.id) {
+          loot.game.plugins[i].userlist = undefined;
+          loot.game.plugins[i].editor = undefined;
+
+          loot.game.plugins[i].priority = plugin.priority;
+          loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
+          loot.game.plugins[i].messages = plugin.messages;
+          loot.game.plugins[i].tags = plugin.tags;
+          loot.game.plugins[i].isDirty = plugin.isDirty;
+
+          break;
+        }
+      }
+      loot.Dialog.showNotification(loot.l10n.translate('The user-added metadata for "%s" has been cleared.', evt.target.getName()));
+      /* Now perform search again. If there is no current search, this won't
+         do anything. */
+      document.getElementById('searchBar').search();
+    }).catch(handlePromiseError);
+  });
+}
+function onSidebarClick(evt) {
+  if (evt.target.hasAttribute('data-index')) {
+    document.getElementById('main').lastElementChild.scrollToItem(evt.target.getAttribute('data-index'));
+
+    if (evt.type === 'dblclick') {
+      const card = document.getElementById(evt.target.getAttribute('data-id'));
+      if (!card.classList.contains('flip')) {
+        document.getElementById(evt.target.getAttribute('data-id')).onShowEditor();
+      }
+    }
+  }
+}
+function onQuit(evt) {
+  if (!document.getElementById('applySortButton').classList.contains('hidden')) {
+    handleUnappliedChangesClose(loot.l10n.translate('sorted load order'));
+  } else if (document.body.hasAttribute('data-editors')) {
+    handleUnappliedChangesClose(loot.l10n.translate('metadata edits'));
+  } else {
+    window.close();
+  }
+}
+function onJumpToGeneralInfo() {
+  window.location.hash = '';
+  document.getElementById('main').scrollTop = 0;
+}
+function onContentRefresh() {
+  /* Send a query for updated load order and plugin header info. */
+  loot.Dialog.showProgress(loot.l10n.translate('Refreshing data...'));
+  loot.query('getGameData').then(JSON.parse).then((result) => {
+    /* Parse the data sent from C++. */
+    /* We don't want the plugin info creating cards, so don't convert
+       to plugin objects. */
+    const gameInfo = result;
+
+    /* Now overwrite plugin data with the newly sent data. Also update
+       card and li vars as they were unset when the game was switched
+       from before. */
+    const pluginNames = [];
+    gameInfo.plugins.forEach((plugin) => {
+      let foundPlugin = false;
+      for (let i = 0; i < loot.game.plugins.length; ++i) {
+        if (loot.game.plugins[i].name === plugin.name) {
+          loot.game.plugins[i].isActive = plugin.isActive;
+          loot.game.plugins[i].isEmpty = plugin.isEmpty;
+          loot.game.plugins[i].loadsArchive = plugin.loadsArchive;
+          loot.game.plugins[i].crc = plugin.crc;
+          loot.game.plugins[i].version = plugin.version;
+
+          loot.game.plugins[i].priority = plugin.priority;
+          loot.game.plugins[i].isPriorityGlobal = plugin.isPriorityGlobal;
+          loot.game.plugins[i].messages = plugin.messages;
+          loot.game.plugins[i].tags = plugin.tags;
+          loot.game.plugins[i].isDirty = plugin.isDirty;
+
+          foundPlugin = true;
+          break;
+        }
+      }
+      if (!foundPlugin) {
+        /* A new plugin. */
+        loot.game.plugins.push(new loot.Plugin(plugin));
+      }
+      pluginNames.push(plugin.name);
+    });
+    for (let i = 0; i < loot.game.plugins.length;) {
+      let foundPlugin = false;
+      for (let j = 0; j < pluginNames.length; ++j) {
+        if (loot.game.plugins[i].name === pluginNames[j]) {
+          foundPlugin = true;
+          break;
+        }
+      }
+      if (!foundPlugin) {
+        /* Remove plugin. */
+        loot.game.plugins.splice(i, 1);
+      } else {
+        ++i;
+      }
+    }
+
+    /* Reapply filters. */
+    setFilteredUIData();
+
+    loot.Dialog.closeProgress();
+  }).catch(handlePromiseError);
+}
+function onSearchOpen() {
+  document.getElementById('mainToolbar').classList.add('search');
+  document.getElementById('searchBar').focusInput();
+}
+function onSearchClose() {
+  document.getElementById('mainToolbar').classList.remove('search');
 }
 function onSidebarFilterToggle(evt) {
   if (evt.target.id !== 'contentFilter') {
@@ -733,67 +714,67 @@ function onSidebarFilterToggle(evt) {
   setFilteredUIData();
 }
 function setupEventHandlers() {
-    /*Set up handlers for filters.*/
-    document.getElementById('hideVersionNumbers').addEventListener('change', onToggleDisplayCSS, false);
-    document.getElementById('hideVersionNumbers').addEventListener('change', saveFilterState, false);
-    document.getElementById('hideCRCs').addEventListener('change', onToggleDisplayCSS, false);
-    document.getElementById('hideCRCs').addEventListener('change', saveFilterState, false);
-    document.getElementById('hideBashTags').addEventListener('change', onToggleBashTags, false);
-    document.getElementById('hideBashTags').addEventListener('change', saveFilterState, false);
-    document.getElementById('hideNotes').addEventListener('change', onSidebarFilterToggle, false);
-    document.getElementById('hideDoNotCleanMessages').addEventListener('change', onSidebarFilterToggle, false);
-    document.getElementById('hideInactivePlugins').addEventListener('change', onSidebarFilterToggle, false);
-    document.getElementById('hideAllPluginMessages').addEventListener('change', onSidebarFilterToggle, false);
-    document.getElementById('hideMessagelessPlugins').addEventListener('change', onSidebarFilterToggle, false);
-    document.body.addEventListener('loot-filter-conflicts', onConflictsFilter, false);
+  /* Set up handlers for filters. */
+  document.getElementById('hideVersionNumbers').addEventListener('change', onToggleDisplayCSS);
+  document.getElementById('hideVersionNumbers').addEventListener('change', saveFilterState);
+  document.getElementById('hideCRCs').addEventListener('change', onToggleDisplayCSS);
+  document.getElementById('hideCRCs').addEventListener('change', saveFilterState);
+  document.getElementById('hideBashTags').addEventListener('change', onToggleBashTags);
+  document.getElementById('hideBashTags').addEventListener('change', saveFilterState);
+  document.getElementById('hideNotes').addEventListener('change', onSidebarFilterToggle);
+  document.getElementById('hideDoNotCleanMessages').addEventListener('change', onSidebarFilterToggle);
+  document.getElementById('hideInactivePlugins').addEventListener('change', onSidebarFilterToggle);
+  document.getElementById('hideAllPluginMessages').addEventListener('change', onSidebarFilterToggle);
+  document.getElementById('hideMessagelessPlugins').addEventListener('change', onSidebarFilterToggle);
+  document.body.addEventListener('loot-filter-conflicts', onConflictsFilter);
 
-    /* Set up event handlers for content filter. */
-    document.getElementById('contentFilter').addEventListener('change', onSidebarFilterToggle, false);
+  /* Set up event handlers for content filter. */
+  document.getElementById('contentFilter').addEventListener('change', onSidebarFilterToggle);
 
-    /* Set up handlers for buttons. */
-    document.getElementById('redatePluginsButton').addEventListener('click', onRedatePlugins, false);
-    document.getElementById('openLogButton').addEventListener('click', onOpenLogLocation, false);
-    document.getElementById('wipeUserlistButton').addEventListener('click', onClearAllMetadata, false);
-    document.getElementById('copyLoadOrderButton').addEventListener('click', onCopyLoadOrder, false);
-    document.getElementById('copyContentButton').addEventListener('click', onCopyContent, false);
-    document.getElementById('refreshContentButton').addEventListener('click', onContentRefresh, false);
-    document.getElementById('settingsButton').addEventListener('click', onShowSettingsDialog, false);
-    document.getElementById('helpButton').addEventListener('click', onOpenReadme, false);
-    document.getElementById('aboutButton').addEventListener('click', onShowAboutDialog, false);
-    document.getElementById('quitButton').addEventListener('click', onQuit, false);
-    document.getElementById('updateMasterlistButton').addEventListener('click', onUpdateMasterlist, false);
-    document.getElementById('sortButton').addEventListener('click', onSortPlugins, false);
-    document.getElementById('applySortButton').addEventListener('click', onApplySort, false);
-    document.getElementById('cancelSortButton').addEventListener('click', onCancelSort, false);
-    document.getElementById('sidebarTabs').addEventListener('core-select', onSwitchSidebarTab, false);
-    document.getElementById('jumpToGeneralInfo').addEventListener('click', onJumpToGeneralInfo, false);
+  /* Set up handlers for buttons. */
+  document.getElementById('redatePluginsButton').addEventListener('click', onRedatePlugins);
+  document.getElementById('openLogButton').addEventListener('click', onOpenLogLocation);
+  document.getElementById('wipeUserlistButton').addEventListener('click', onClearAllMetadata);
+  document.getElementById('copyLoadOrderButton').addEventListener('click', onCopyLoadOrder);
+  document.getElementById('copyContentButton').addEventListener('click', onCopyContent);
+  document.getElementById('refreshContentButton').addEventListener('click', onContentRefresh);
+  document.getElementById('settingsButton').addEventListener('click', onShowSettingsDialog);
+  document.getElementById('helpButton').addEventListener('click', onOpenReadme);
+  document.getElementById('aboutButton').addEventListener('click', onShowAboutDialog);
+  document.getElementById('quitButton').addEventListener('click', onQuit);
+  document.getElementById('updateMasterlistButton').addEventListener('click', onUpdateMasterlist);
+  document.getElementById('sortButton').addEventListener('click', onSortPlugins);
+  document.getElementById('applySortButton').addEventListener('click', onApplySort);
+  document.getElementById('cancelSortButton').addEventListener('click', onCancelSort);
+  document.getElementById('sidebarTabs').addEventListener('core-select', onSwitchSidebarTab);
+  document.getElementById('jumpToGeneralInfo').addEventListener('click', onJumpToGeneralInfo);
 
-    /* Set up search event handlers. */
-    document.getElementById('showSearch').addEventListener('click', onSearchOpen, false);
-    document.getElementById('searchBar').addEventListener('loot-search-close', onSearchClose, false);
-    window.addEventListener('keyup', onFocusSearch, false);
+  /* Set up search event handlers. */
+  document.getElementById('showSearch').addEventListener('click', onSearchOpen);
+  document.getElementById('searchBar').addEventListener('loot-search-close', onSearchClose);
+  window.addEventListener('keyup', onFocusSearch);
 
-    /* Set up event handlers for settings dialog. */
-    var settings = document.getElementById('settingsDialog');
-    settings.getElementsByClassName('accept')[0].addEventListener('click', onCloseSettingsDialog, false);
-    settings.getElementsByClassName('cancel')[0].addEventListener('click', onCloseSettingsDialog, false);
+  /* Set up event handlers for settings dialog. */
+  const settings = document.getElementById('settingsDialog');
+  settings.getElementsByClassName('accept')[0].addEventListener('click', onCloseSettingsDialog);
+  settings.getElementsByClassName('cancel')[0].addEventListener('click', onCloseSettingsDialog);
 
-    /* Set up handler for opening and closing editors. */
-    document.body.addEventListener('loot-editor-open', onEditorOpen, false);
-    document.body.addEventListener('loot-editor-close', onEditorClose, false);
-    document.body.addEventListener('loot-copy-metadata', onCopyMetadata, false);
-    document.body.addEventListener('loot-clear-metadata', onClearMetadata, false);
+  /* Set up handler for opening and closing editors. */
+  document.body.addEventListener('loot-editor-open', onEditorOpen);
+  document.body.addEventListener('loot-editor-close', onEditorClose);
+  document.body.addEventListener('loot-copy-metadata', onCopyMetadata);
+  document.body.addEventListener('loot-clear-metadata', onClearMetadata);
 
-    document.getElementById('cardsNav').addEventListener('click', onSidebarClick, false);
-    document.getElementById('cardsNav').addEventListener('dblclick', onSidebarClick, false);
+  document.getElementById('cardsNav').addEventListener('click', onSidebarClick);
+  document.getElementById('cardsNav').addEventListener('dblclick', onSidebarClick);
 
-    /* Set up handler for plugin message and dirty info changes. */
-    document.addEventListener('loot-plugin-message-change', onPluginMessageChange);
-    document.addEventListener('loot-plugin-isdirty-change', onPluginIsDirtyChange);
+  /* Set up handler for plugin message and dirty info changes. */
+  document.addEventListener('loot-plugin-message-change', onPluginMessageChange);
+  document.addEventListener('loot-plugin-isdirty-change', onPluginIsDirtyChange);
 
-    /* Set up event handlers for game member variable changes. */
-    document.addEventListener('loot-game-folder-change', onGameFolderChange);
-    document.addEventListener('loot-game-masterlist-change', onGameMasterlistChange);
-    document.addEventListener('loot-game-global-messages-change', onGameGlobalMessagesChange);
-    document.addEventListener('loot-game-plugins-change', onGamePluginsChange);
+  /* Set up event handlers for game member variable changes. */
+  document.addEventListener('loot-game-folder-change', onGameFolderChange);
+  document.addEventListener('loot-game-masterlist-change', onGameMasterlistChange);
+  document.addEventListener('loot-game-global-messages-change', onGameGlobalMessagesChange);
+  document.addEventListener('loot-game-plugins-change', onGamePluginsChange);
 }