diff --git a/src/public/javascripts/dialogs/add_link.js b/src/public/javascripts/dialogs/add_link.js
index 5ad638580..90cc6b8b5 100644
--- a/src/public/javascripts/dialogs/add_link.js
+++ b/src/public/javascripts/dialogs/add_link.js
@@ -1,4 +1,3 @@
-import treeService from '../services/tree.js';
 import cloningService from '../services/cloning.js';
 import linkService from '../services/link.js';
 import noteDetailService from '../services/note_detail.js';
diff --git a/src/public/javascripts/dialogs/edit_tree_prefix.js b/src/public/javascripts/dialogs/edit_tree_prefix.js
index e4f69c9b1..656999497 100644
--- a/src/public/javascripts/dialogs/edit_tree_prefix.js
+++ b/src/public/javascripts/dialogs/edit_tree_prefix.js
@@ -30,14 +30,18 @@ async function showDialog() {
     $noteTitle.html(noteTitle);
 }
 
-$form.submit(() => {
+async function savePrefix() {
     const prefix = $treePrefixInput.val();
 
-    server.put('tree/' + branchId + '/set-prefix', {
-        prefix: prefix
-    }).then(() => treeService.setPrefix(branchId, prefix));
+    await server.put('tree/' + branchId + '/set-prefix', { prefix: prefix });
+
+    await treeService.setPrefix(branchId, prefix);
 
     $dialog.dialog("close");
+}
+
+$form.submit(() => {
+    savePrefix();
 
     return false;
 });
diff --git a/src/public/javascripts/dialogs/note_source.js b/src/public/javascripts/dialogs/note_source.js
index e09bfd64a..062345201 100644
--- a/src/public/javascripts/dialogs/note_source.js
+++ b/src/public/javascripts/dialogs/note_source.js
@@ -29,7 +29,7 @@ function formatNode(node, level) {
     const indentAfter  = new Array(level - 1).join('  ');
     let textNode;
 
-    for (let i = 0; i < node.children.length; i++) {
+    for (const i = 0; i < node.children.length; i++) {
         textNode = document.createTextNode('\n' + indentBefore);
         node.insertBefore(textNode, node.children[i]);
 
diff --git a/src/public/javascripts/dialogs/recent_notes.js b/src/public/javascripts/dialogs/recent_notes.js
index 41fed8013..a60a692f1 100644
--- a/src/public/javascripts/dialogs/recent_notes.js
+++ b/src/public/javascripts/dialogs/recent_notes.js
@@ -27,6 +27,21 @@ function addRecentNote(branchId, notePath) {
     }, 1500);
 }
 
+async function getNoteTitle(notePath) {
+    let noteTitle;
+
+    try {
+        noteTitle = await treeUtils.getNotePathTitle(notePath);
+    }
+    catch (e) {
+        noteTitle = "[error - can't find note title]";
+
+        messagingService.logError("Could not find title for notePath=" + notePath + ", stack=" + e.stack);
+    }
+
+    return noteTitle;
+}
+
 async function showDialog() {
     glob.activeDialog = $dialog;
 
@@ -44,19 +59,8 @@ async function showDialog() {
     const items = [];
 
     for (const notePath of recNotes) {
-        let noteTitle;
-
-        try {
-            noteTitle = await treeUtils.getNotePathTitle(notePath);
-        }
-        catch (e) {
-            noteTitle = "[error - can't find note title]";
-
-            messagingService.logError("Could not find title for notePath=" + notePath + ", stack=" + e.stack);
-        }
-
         items.push({
-            label: noteTitle,
+            label: await getNoteTitle(notePath),
             value: notePath
         });
     }
diff --git a/src/public/javascripts/dialogs/settings.js b/src/public/javascripts/dialogs/settings.js
index 283067f1e..f0d5e2ce2 100644
--- a/src/public/javascripts/dialogs/settings.js
+++ b/src/public/javascripts/dialogs/settings.js
@@ -8,10 +8,10 @@ import infoService from "../services/info.js";
 const $dialog = $("#settings-dialog");
 const $tabs = $("#settings-tabs");
 
-const settingModules = [];
+const tabHandlers = [];
 
-function addModule(module) {
-    settingModules.push(module);
+function addTabHandler(handler) {
+    tabHandlers.push(handler);
 }
 
 async function showDialog() {
@@ -26,9 +26,9 @@ async function showDialog() {
 
     $tabs.tabs();
 
-    for (const module of settingModules) {
-        if (module.settingsLoaded) {
-            module.settingsLoaded(settings);
+    for (const handler of tabHandlers) {
+        if (handler.settingsLoaded) {
+            handler.settingsLoaded(settings);
         }
     }
 }
@@ -47,7 +47,7 @@ export default {
     saveSettings
 };
 
-addModule((function() {
+addTabHandler((function() {
     const $form = $("#change-password-form");
     const $oldPassword = $("#old-password");
     const $newPassword1 = $("#new-password1");
@@ -93,7 +93,7 @@ addModule((function() {
     };
 })());
 
-addModule((function() {
+addTabHandler((function() {
     const $form = $("#protected-session-timeout-form");
     const $protectedSessionTimeout = $("#protected-session-timeout-in-seconds");
     const settingName = 'protected_session_timeout';
@@ -117,7 +117,7 @@ addModule((function() {
     };
 })());
 
-addModule((function () {
+addTabHandler((function () {
     const $form = $("#note-revision-snapshot-time-interval-form");
     const $timeInterval = $("#note-revision-snapshot-time-interval-in-seconds");
     const settingName = 'note_revision_snapshot_time_interval';
@@ -137,7 +137,7 @@ addModule((function () {
     };
 })());
 
-addModule((async function () {
+addTabHandler((async function () {
     const $appVersion = $("#app-version");
     const $dbVersion = $("#db-version");
     const $buildDate = $("#build-date");
@@ -154,7 +154,7 @@ addModule((async function () {
     return {};
 })());
 
-addModule((async function () {
+addTabHandler((async function () {
     const $forceFullSyncButton = $("#force-full-sync-button");
     const $fillSyncRowsButton = $("#fill-sync-rows-button");
     const $anonymizeButton = $("#anonymize-button");
diff --git a/src/public/javascripts/dialogs/sql_console.js b/src/public/javascripts/dialogs/sql_console.js
index bd69bc091..139ece629 100644
--- a/src/public/javascripts/dialogs/sql_console.js
+++ b/src/public/javascripts/dialogs/sql_console.js
@@ -1,4 +1,5 @@
 import utils from '../services/utils.js';
+import libraryLoader from '../services/library_loader.js';
 import server from '../services/server.js';
 import infoService from "../services/info.js";
 
@@ -25,7 +26,7 @@ function showDialog() {
 
 async function initEditor() {
     if (!codeEditor) {
-        await utils.requireLibrary(utils.CODE_MIRROR);
+        await libraryLoader.requireLibrary(libraryLoader.CODE_MIRROR);
 
         CodeMirror.keyMap.default["Shift-Tab"] = "indentLess";
         CodeMirror.keyMap.default["Tab"] = "indentMore";
diff --git a/src/public/javascripts/services/bootstrap.js b/src/public/javascripts/services/bootstrap.js
index ffb58b447..f29a2a5cb 100644
--- a/src/public/javascripts/services/bootstrap.js
+++ b/src/public/javascripts/services/bootstrap.js
@@ -30,6 +30,7 @@ import entrypoints from './entrypoints.js';
 import tooltip from './tooltip.js';
 import bundle from "./bundle.js";
 import treeCache from "./tree_cache.js";
+import libraryLoader from "./library_loader.js";
 
 // required for CKEditor image upload plugin
 window.glob.getCurrentNode = treeService.getCurrentNode;
@@ -37,8 +38,8 @@ window.glob.getHeaders = server.getHeaders;
 
 // required for ESLint plugin
 window.glob.getCurrentNote = noteDetailService.getCurrentNote;
-window.glob.requireLibrary = utils.requireLibrary;
-window.glob.ESLINT = utils.ESLINT;
+window.glob.requireLibrary = libraryLoader.requireLibrary;
+window.glob.ESLINT = libraryLoader.ESLINT;
 
 window.onerror = function (msg, url, lineNo, columnNo, error) {
     const string = msg.toLowerCase();
diff --git a/src/public/javascripts/services/library_loader.js b/src/public/javascripts/services/library_loader.js
new file mode 100644
index 000000000..f0b919200
--- /dev/null
+++ b/src/public/javascripts/services/library_loader.js
@@ -0,0 +1,64 @@
+const CKEDITOR = {"js": ["libraries/ckeditor/ckeditor.js"]};
+
+const CODE_MIRROR = {
+    js: [
+        "libraries/codemirror/codemirror.js",
+        "libraries/codemirror/addon/mode/loadmode.js",
+        "libraries/codemirror/addon/fold/xml-fold.js",
+        "libraries/codemirror/addon/edit/matchbrackets.js",
+        "libraries/codemirror/addon/edit/matchtags.js",
+        "libraries/codemirror/addon/search/match-highlighter.js",
+        "libraries/codemirror/mode/meta.js",
+        "libraries/codemirror/addon/lint/lint.js",
+        "libraries/codemirror/addon/lint/eslint.js"
+    ],
+    css: [
+        "libraries/codemirror/codemirror.css",
+        "libraries/codemirror/addon/lint/lint.css"
+    ]
+};
+
+const ESLINT = {js: ["libraries/eslint.js"]};
+
+async function requireLibrary(library) {
+    if (library.css) {
+        library.css.map(cssUrl => requireCss(cssUrl));
+    }
+
+    if (library.js) {
+        for (const scriptUrl of library.js) {
+            await requireScript(scriptUrl);
+        }
+    }
+}
+
+const dynamicallyLoadedScripts = [];
+
+async function requireScript(url) {
+    if (!dynamicallyLoadedScripts.includes(url)) {
+        dynamicallyLoadedScripts.push(url);
+
+        return await $.ajax({
+            url: url,
+            dataType: "script",
+            cache: true
+        })
+    }
+}
+
+async function requireCss(url) {
+    const css = Array
+        .from(document.querySelectorAll('link'))
+        .map(scr => scr.href);
+
+    if (!css.includes(url)) {
+        $('head').append($('<link rel="stylesheet" type="text/css" />').attr('href', url));
+    }
+}
+
+export default {
+    requireLibrary,
+    CKEDITOR,
+    CODE_MIRROR,
+    ESLINT
+}
\ No newline at end of file
diff --git a/src/public/javascripts/services/note_detail_code.js b/src/public/javascripts/services/note_detail_code.js
index b92c1d77e..cdd46fcae 100644
--- a/src/public/javascripts/services/note_detail_code.js
+++ b/src/public/javascripts/services/note_detail_code.js
@@ -1,4 +1,5 @@
 import utils from "./utils.js";
+import libraryLoader from "./library_loader.js";
 import bundleService from "./bundle.js";
 import infoService from "./info.js";
 import server from "./server.js";
@@ -11,7 +12,7 @@ const $executeScriptButton = $("#execute-script-button");
 
 async function show() {
     if (!codeEditor) {
-        await utils.requireLibrary(utils.CODE_MIRROR);
+        await libraryLoader.requireLibrary(libraryLoader.CODE_MIRROR);
 
         CodeMirror.keyMap.default["Shift-Tab"] = "indentLess";
         CodeMirror.keyMap.default["Tab"] = "indentMore";
diff --git a/src/public/javascripts/services/note_detail_text.js b/src/public/javascripts/services/note_detail_text.js
index 18c691bb5..3314818c4 100644
--- a/src/public/javascripts/services/note_detail_text.js
+++ b/src/public/javascripts/services/note_detail_text.js
@@ -1,4 +1,4 @@
-import utils from "./utils.js";
+import libraryLoader from "./library_loader.js";
 import noteDetailService from './note_detail.js';
 
 const $noteDetailText = $('#note-detail-text');
@@ -7,7 +7,7 @@ let textEditor = null;
 
 async function show() {
     if (!textEditor) {
-        await utils.requireLibrary(utils.CKEDITOR);
+        await libraryLoader.requireLibrary(libraryLoader.CKEDITOR);
 
         textEditor = await BalloonEditor.create($noteDetailText[0], {});
 
diff --git a/src/public/javascripts/services/utils.js b/src/public/javascripts/services/utils.js
index fd1f33aa8..74d780221 100644
--- a/src/public/javascripts/services/utils.js
+++ b/src/public/javascripts/services/utils.js
@@ -89,64 +89,6 @@ function formatLabel(attr) {
     return str;
 }
 
-const CKEDITOR = {"js": ["libraries/ckeditor/ckeditor.js"]};
-
-const CODE_MIRROR = {
-    js: [
-        "libraries/codemirror/codemirror.js",
-        "libraries/codemirror/addon/mode/loadmode.js",
-        "libraries/codemirror/addon/fold/xml-fold.js",
-        "libraries/codemirror/addon/edit/matchbrackets.js",
-        "libraries/codemirror/addon/edit/matchtags.js",
-        "libraries/codemirror/addon/search/match-highlighter.js",
-        "libraries/codemirror/mode/meta.js",
-        "libraries/codemirror/addon/lint/lint.js",
-        "libraries/codemirror/addon/lint/eslint.js"
-    ],
-    css: [
-        "libraries/codemirror/codemirror.css",
-        "libraries/codemirror/addon/lint/lint.css"
-    ]
-};
-
-const ESLINT = {js: ["libraries/eslint.js"]};
-
-async function requireLibrary(library) {
-    if (library.css) {
-        library.css.map(cssUrl => requireCss(cssUrl));
-    }
-
-    if (library.js) {
-        for (const scriptUrl of library.js) {
-            await requireScript(scriptUrl);
-        }
-    }
-}
-
-const dynamicallyLoadedScripts = [];
-
-async function requireScript(url) {
-    if (!dynamicallyLoadedScripts.includes(url)) {
-        dynamicallyLoadedScripts.push(url);
-
-        return await $.ajax({
-            url: url,
-            dataType: "script",
-            cache: true
-        })
-    }
-}
-
-async function requireCss(url) {
-    const css = Array
-        .from(document.querySelectorAll('link'))
-        .map(scr => scr.href);
-
-    if (!css.includes(url)) {
-        $('head').append($('<link rel="stylesheet" type="text/css" />').attr('href', url));
-    }
-}
-
 function getHost() {
     const url = new URL(window.location.href);
     return url.protocol + "//" + url.hostname + ":" + url.port;
@@ -212,10 +154,6 @@ export default {
     stopWatch,
     formatValueWithWhitespace,
     formatLabel,
-    requireLibrary,
-    CKEDITOR,
-    CODE_MIRROR,
-    ESLINT,
     getHost,
     download,
     toObject,