From de9c4702764905b62cd2c49b803f367bb34a1f86 Mon Sep 17 00:00:00 2001
From: IRBorisov <8611739+IRBorisov@users.noreply.github.com>
Date: Mon, 27 Nov 2023 11:33:34 +0300
Subject: [PATCH] Refactoring: replace shortcurctuit with conditionals

---
 rsconcept/frontend/src/App.tsx                |  49 +++---
 .../frontend/src/components/BackendError.tsx  |   4 +-
 .../frontend/src/components/Common/Button.tsx |   4 +-
 .../src/components/Common/Checkbox.tsx        |  13 +-
 .../src/components/Common/ConceptSearch.tsx   |   2 +-
 .../src/components/Common/DropdownButton.tsx  |   4 +-
 .../components/Common/DropdownCheckbox.tsx    |   2 +-
 .../frontend/src/components/Common/Form.tsx   |   2 +-
 .../frontend/src/components/Common/Modal.tsx  |  16 +-
 .../src/components/Common/SelectorButton.tsx  |   9 +-
 .../src/components/Common/SubmitButton.tsx    |   4 +-
 .../src/components/Common/SwitchButton.tsx    |   2 +-
 .../src/components/Common/TextInput.tsx       |   7 +-
 .../src/components/Common/Tristate.tsx        |  11 +-
 .../src/components/DataTable/DataTable.tsx    |  36 ++---
 .../components/DataTable/PaginationTools.tsx  |  20 +--
 .../src/components/DataTable/SelectAll.tsx    |  19 ++-
 .../src/components/DataTable/SelectRow.tsx    |  10 +-
 .../src/components/DataTable/SortingIcon.tsx  |   3 +-
 .../frontend/src/components/ErrorFallback.tsx |   2 +-
 rsconcept/frontend/src/components/Footer.tsx  |   3 +-
 .../src/components/Help/InfoConstituenta.tsx  |  35 ++--
 .../src/components/Help/InfoCstClass.tsx      |  39 +++--
 .../src/components/Help/InfoCstStatus.tsx     |  45 +++---
 .../src/components/Navigation/Logo.tsx        |  16 +-
 .../src/components/Navigation/Navigation.tsx  |  28 ++--
 .../Navigation/NavigationButton.tsx           |   8 +-
 .../components/Navigation/ThemeSwitcher.tsx   |  21 ++-
 .../src/components/Navigation/UserMenu.tsx    |  14 +-
 .../src/components/RSInput/RSInput.tsx        |   4 +-
 .../src/components/RefsInput/RefsInput.tsx    |  16 +-
 .../frontend/src/components/RequireAuth.tsx   |  24 ++-
 .../components/Shared/ConstituentaBadge.tsx   |  10 +-
 .../DlgConstituentaTemplate/ArgumentsTab.tsx  |   1 -
 .../frontend/src/dialogs/DlgCreateCst.tsx     |   2 +-
 .../frontend/src/dialogs/DlgDeleteCst.tsx     |  10 +-
 .../DlgEditReference/DlgEditReference.tsx     |  28 ++--
 .../DlgEditReference/WordformButton.tsx       |   4 +-
 .../frontend/src/dialogs/DlgEditWordForms.tsx |  14 +-
 .../frontend/src/dialogs/DlgGraphOptions.tsx  |  27 ++--
 .../frontend/src/dialogs/DlgRenameCst.tsx     |  14 +-
 rsconcept/frontend/src/dialogs/DlgShowAST.tsx |  14 +-
 .../frontend/src/dialogs/DlgUploadRSForm.tsx  |  43 +++--
 .../frontend/src/pages/CreateRSFormPage.tsx   |  31 ++--
 rsconcept/frontend/src/pages/HomePage.tsx     |  10 +-
 .../src/pages/LibraryPage/LibraryPage.tsx     |  42 +++--
 .../src/pages/LibraryPage/PickerStrategy.tsx  |  10 +-
 .../src/pages/LibraryPage/SearchPanel.tsx     |  44 +++--
 .../src/pages/LibraryPage/ViewLibrary.tsx     | 100 ++++++------
 rsconcept/frontend/src/pages/LoginPage.tsx    | 114 +++++++------
 .../src/pages/ManualsPage/ManualsPage.tsx     |  20 +--
 .../src/pages/ManualsPage/TopicsList.tsx      |   7 +-
 .../src/pages/ManualsPage/ViewTopic.tsx       |  27 ++--
 rsconcept/frontend/src/pages/NotFoundPage.tsx |  11 +-
 .../pages/RSFormPage/EditorConstituenta.tsx   |  34 ++--
 .../src/pages/RSFormPage/EditorItems.tsx      |   6 +-
 .../pages/RSFormPage/EditorRSExpression.tsx   |  20 ++-
 .../src/pages/RSFormPage/EditorRSForm.tsx     |   4 +-
 .../src/pages/RSFormPage/EditorTermGraph.tsx  |   5 +-
 .../frontend/src/pages/RSFormPage/RSTabs.tsx  |  40 ++---
 .../RSFormPage/elements/ParsingResult.tsx     |  33 ++--
 .../pages/RSFormPage/elements/RSFormStats.tsx | 153 +++++++++---------
 .../RSFormPage/elements/RSLocalButton.tsx     |  19 +--
 .../pages/RSFormPage/elements/RSTabsMenu.tsx  |  39 ++---
 .../RSFormPage/elements/RSTokenButton.tsx     |  19 +--
 .../elements/ViewSideConstituents.tsx         |  20 +--
 rsconcept/frontend/src/pages/RegisterPage.tsx | 123 +++++++-------
 .../pages/UserProfilePage/EditorPassword.tsx  |  88 +++++-----
 .../pages/UserProfilePage/EditorProfile.tsx   |  67 ++++----
 .../src/pages/UserProfilePage/UserTabs.tsx    |  58 ++++---
 .../UserProfilePage/ViewSubscriptions.tsx     |  32 ++--
 rsconcept/frontend/src/utils/constants.ts     |   1 +
 72 files changed, 906 insertions(+), 910 deletions(-)

diff --git a/rsconcept/frontend/src/App.tsx b/rsconcept/frontend/src/App.tsx
index 69dc1016..0d604983 100644
--- a/rsconcept/frontend/src/App.tsx
+++ b/rsconcept/frontend/src/App.tsx
@@ -20,32 +20,33 @@ import { globalIDs } from './utils/constants';
 function Root() {
   const { noNavigation, noFooter, viewportHeight, mainHeight, showScroll } = useConceptTheme();
   return (
-    <NavigationState>
-    <div className='w-screen antialiased clr-app min-w-[30rem] overflow-hidden'>
+  <NavigationState>
+  <div className='w-screen antialiased clr-app min-w-[30rem] overflow-hidden'>
+
+    <ConceptToaster
+      className='mt-[4rem] text-sm'
+      autoClose={3000}
+      draggable={false}
+      pauseOnFocusLoss={false}
+    />
+    
+    <Navigation />
+
+    <div id={globalIDs.main_scroll}
+      className='w-full overflow-x-auto overscroll-none'
+      style={{
+        maxHeight: viewportHeight,
+        overflowY: showScroll ? 'scroll': 'auto'
+      }}
+    >
+      <main className='w-full h-full min-w-fit' style={{minHeight: mainHeight}}>
+        <Outlet />
+      </main>
       
-      <ConceptToaster
-        className='mt-[4rem] text-sm'
-        autoClose={3000}
-        draggable={false}
-        pauseOnFocusLoss={false}
-      />
-      
-      <Navigation />
-      <div id={globalIDs.main_scroll}
-        className='w-full overflow-x-auto overscroll-none'
-        style={{
-          maxHeight: viewportHeight,
-          overflowY: showScroll ? 'scroll': 'auto'
-        }}
-      >
-        <main className='w-full h-full min-w-fit' style={{minHeight: mainHeight}}>
-          <Outlet />
-        </main>
-      {!noNavigation && !noFooter && <Footer />}
-      </div>
+    {(!noNavigation && !noFooter) ? <Footer /> : null}
     </div>
-    </NavigationState>
-  );
+  </div>
+  </NavigationState>);
 }
 
 const router = createBrowserRouter([
diff --git a/rsconcept/frontend/src/components/BackendError.tsx b/rsconcept/frontend/src/components/BackendError.tsx
index cbcb2af7..894df4b1 100644
--- a/rsconcept/frontend/src/components/BackendError.tsx
+++ b/rsconcept/frontend/src/components/BackendError.tsx
@@ -50,8 +50,8 @@ function DescribeError(error: ErrorInfo) {
       <p>{error.message}</p>
       {error.response.data && (<>
         <p className='mt-2 underline'>Описание</p>
-        { isHtml && <div dangerouslySetInnerHTML={{ __html: error.response.data as TrustedHTML }} /> }
-        { !isHtml && <PrettyJson data={error.response.data as object} />}
+        {isHtml ? <div dangerouslySetInnerHTML={{ __html: error.response.data as TrustedHTML }} /> : null}
+        {!isHtml ? <PrettyJson data={error.response.data as object} /> : null}
       </>)}
     </div>
   );
diff --git a/rsconcept/frontend/src/components/Common/Button.tsx b/rsconcept/frontend/src/components/Common/Button.tsx
index e5a95a2c..94c3ae70 100644
--- a/rsconcept/frontend/src/components/Common/Button.tsx
+++ b/rsconcept/frontend/src/components/Common/Button.tsx
@@ -28,8 +28,8 @@ function Button({
       className={`inline-flex items-center gap-2 align-middle justify-center select-none ${padding} ${colors} ${outlineClass} ${borderClass} ${dimensions} ${cursor}`}
       {...props}
     >
-      {icon && icon}
-      {text && <span className='font-semibold'>{text}</span>}
+      {icon ? icon : null}
+      {text ? <span className='font-semibold'>{text}</span> : null}
     </button>
   );
 }
diff --git a/rsconcept/frontend/src/components/Common/Checkbox.tsx b/rsconcept/frontend/src/components/Common/Checkbox.tsx
index ba20f94f..4190b763 100644
--- a/rsconcept/frontend/src/components/Common/Checkbox.tsx
+++ b/rsconcept/frontend/src/components/Common/Checkbox.tsx
@@ -5,7 +5,6 @@ import Label from './Label';
 
 export interface CheckboxProps
 extends Omit<React.ButtonHTMLAttributes<HTMLButtonElement>, 'className' | 'children' | 'title' | 'value' | 'onClick' > {
-  id?: string
   label?: string
   disabled?: boolean
   dimensions?: string
@@ -43,8 +42,7 @@ function Checkbox({
   }
 
   return (
-    <button
-      id={id}
+    <button type='button' id={id}
       className={`flex items-center clr-outline focus:outline-dotted focus:outline-1 ${dimensions}`}
       title={tooltip}
       disabled={disabled}
@@ -52,14 +50,17 @@ function Checkbox({
       {...props}
     >
       <div className={`max-w-[1rem] min-w-[1rem] h-4 mt-0.5 border rounded-sm ${bgColor} ${cursor}`} >
-        { value && <div className='mt-[1px] ml-[1px]'><CheckboxCheckedIcon /></div>}
+        {value ?
+        <div className='mt-[1px] ml-[1px]'>
+          <CheckboxCheckedIcon />
+        </div> : null}
       </div>
-      { label && 
+      {label ?
       <Label
         className={`${cursor} px-2 text-start`}
         text={label}
         htmlFor={id}
-      />}
+      /> : null}
     </button>
   );
 }
diff --git a/rsconcept/frontend/src/components/Common/ConceptSearch.tsx b/rsconcept/frontend/src/components/Common/ConceptSearch.tsx
index f023da6f..a12f3435 100644
--- a/rsconcept/frontend/src/components/Common/ConceptSearch.tsx
+++ b/rsconcept/frontend/src/components/Common/ConceptSearch.tsx
@@ -20,7 +20,7 @@ function ConceptSearch({ value, onChange, dense }: ConceptSearchProps) {
       noOutline
       noBorder={dense}
       value={value}
-      onChange={event => onChange && onChange(event.target.value)}
+      onChange={event => (onChange ? onChange(event.target.value) : undefined)}
     />
   </div>);
 }
diff --git a/rsconcept/frontend/src/components/Common/DropdownButton.tsx b/rsconcept/frontend/src/components/Common/DropdownButton.tsx
index fbb54e65..60999f63 100644
--- a/rsconcept/frontend/src/components/Common/DropdownButton.tsx
+++ b/rsconcept/frontend/src/components/Common/DropdownButton.tsx
@@ -6,10 +6,10 @@ interface DropdownButtonProps {
 }
 
 function DropdownButton({ tooltip, onClick, disabled, children }: DropdownButtonProps) {
-  const behavior = (onClick ? 'cursor-pointer disabled:cursor-not-allowed clr-hover' : 'cursor-default');
+  const behavior = onClick ? 'cursor-pointer disabled:cursor-not-allowed clr-hover' : 'cursor-default';
   const text = disabled ? 'text-controls' : '';
   return (
-    <button
+    <button type='button'
       disabled={disabled}
       title={tooltip}
       onClick={onClick}
diff --git a/rsconcept/frontend/src/components/Common/DropdownCheckbox.tsx b/rsconcept/frontend/src/components/Common/DropdownCheckbox.tsx
index 6abeef56..4398ceac 100644
--- a/rsconcept/frontend/src/components/Common/DropdownCheckbox.tsx
+++ b/rsconcept/frontend/src/components/Common/DropdownCheckbox.tsx
@@ -9,7 +9,7 @@ interface DropdownCheckboxProps {
 }
 
 function DropdownCheckbox({ tooltip, setValue, disabled, ...props }: DropdownCheckboxProps) {
-  const behavior = (setValue && !disabled ? 'clr-hover' : '');
+  const behavior = (setValue && !disabled) ? 'clr-hover' : '';
   return (
     <div
       title={tooltip}
diff --git a/rsconcept/frontend/src/components/Common/Form.tsx b/rsconcept/frontend/src/components/Common/Form.tsx
index 490bcb93..3453196f 100644
--- a/rsconcept/frontend/src/components/Common/Form.tsx
+++ b/rsconcept/frontend/src/components/Common/Form.tsx
@@ -11,7 +11,7 @@ function Form({ title, onSubmit, dimensions = 'max-w-xs', children }: FormProps)
       className={`border shadow-md py-2 clr-app px-6 flex flex-col gap-3 ${dimensions}`}
       onSubmit={onSubmit}
     >
-      { title && <h1 className='text-xl whitespace-nowrap'>{title}</h1> }
+      { title ? <h1 className='text-xl whitespace-nowrap'>{title}</h1> : null }
       {children}
     </form>
   );
diff --git a/rsconcept/frontend/src/components/Common/Modal.tsx b/rsconcept/frontend/src/components/Common/Modal.tsx
index bb17ab67..eccdec55 100644
--- a/rsconcept/frontend/src/components/Common/Modal.tsx
+++ b/rsconcept/frontend/src/components/Common/Modal.tsx
@@ -38,25 +38,23 @@ function Modal({
   return (
     <>
     <div className='fixed top-0 left-0 w-full h-full z-navigation clr-modal-backdrop' />
-    <div 
-      ref={ref}
-      className='fixed bottom-1/2 left-1/2 translate-y-1/2 -translate-x-1/2 px-6 py-3 flex flex-col justify-start w-fit max-w-[calc(100vw-2rem)] overflow-x-auto h-fit z-modal clr-app border shadow-md'
+    <div ref={ref}
+      className='fixed bottom-1/2 left-1/2 translate-y-1/2 -translate-x-1/2 px-4 py-3 flex flex-col justify-start w-fit max-w-[calc(100vw-2rem)] overflow-x-auto h-fit z-modal clr-app border shadow-md'
     >
-      { title && <h1 className='pb-3 text-xl select-none'>{title}</h1> }
-      <div className='max-h-[calc(100vh-8rem)] overflow-auto'>
+      {title ? <h1 className='pb-3 text-xl select-none'>{title}</h1> : null}
+      <div className='max-h-[calc(100vh-8rem)] overflow-auto px-2'>
         {children}
       </div>
       <div className='flex justify-center w-full gap-4 pt-3 mt-2 border-t-2 z-modal-controls'>
-        {!readonly && 
-        <Button
+        {!readonly ? 
+        <Button autoFocus
           text={submitText}
           tooltip={!canSubmit ? submitInvalidTooltip: ''}
           dimensions='min-w-[8rem] min-h-[2.6rem] w-fit h-fit'
           colors='clr-btn-primary'
           disabled={!canSubmit}
           onClick={handleSubmit}
-          autoFocus
-        />}
+        /> : null}
         <Button
           text={readonly ? 'Закрыть' : 'Отмена'}
           dimensions='min-w-[8rem] min-h-[2.6rem] w-fit h-fit'
diff --git a/rsconcept/frontend/src/components/Common/SelectorButton.tsx b/rsconcept/frontend/src/components/Common/SelectorButton.tsx
index 1b3de957..f3eaee19 100644
--- a/rsconcept/frontend/src/components/Common/SelectorButton.tsx
+++ b/rsconcept/frontend/src/components/Common/SelectorButton.tsx
@@ -18,15 +18,16 @@ function SelectorButton({
   ...props
 }: SelectorButtonProps) {
   const cursor = 'disabled:cursor-not-allowed cursor-pointer';
-  const position = `px-1 flex flex-start items-center gap-1 ${dimensions}`
+  const position = `px-1 flex flex-start items-center gap-1 ${dimensions}`;
+  const design = (transparent ? 'clr-hover' : `border ${colors}`) + ' text-btn text-controls';
   return (
     <button type='button'
-      className={`text-sm small-caps ${!transparent && 'border'} ${cursor} ${position} text-btn text-controls select-none ${transparent ? 'clr-hover' : colors}`}
+      className={`text-sm small-caps select-none ${cursor} ${position} ${design}`}
       title={tooltip}
       {...props}
     >
-      {icon && icon}
-      {text && <div className={'font-semibold whitespace-nowrap pb-1'}>{text}</div>}
+      {icon ? icon : null}
+      {text ? <div className={'font-semibold whitespace-nowrap pb-1'}>{text}</div> : null}
     </button>
   );
 }
diff --git a/rsconcept/frontend/src/components/Common/SubmitButton.tsx b/rsconcept/frontend/src/components/Common/SubmitButton.tsx
index 52bd23d8..5b8f52c3 100644
--- a/rsconcept/frontend/src/components/Common/SubmitButton.tsx
+++ b/rsconcept/frontend/src/components/Common/SubmitButton.tsx
@@ -17,8 +17,8 @@ function SubmitButton({
     className={`px-4 py-2 inline-flex items-center gap-2 align-middle justify-center font-semibold select-none disabled:cursor-not-allowed border rounded clr-btn-primary ${dimensions} ${loading ? ' cursor-progress' : ''}`}
     disabled={disabled ?? loading}
   >
-    {icon && <span>{icon}</span>}
-    {text && <span>{text}</span>}
+    {icon ? <span>{icon}</span> : null}
+    {text ? <span>{text}</span> : null}
   </button>);
 }
 
diff --git a/rsconcept/frontend/src/components/Common/SwitchButton.tsx b/rsconcept/frontend/src/components/Common/SwitchButton.tsx
index 1489c189..703bb677 100644
--- a/rsconcept/frontend/src/components/Common/SwitchButton.tsx
+++ b/rsconcept/frontend/src/components/Common/SwitchButton.tsx
@@ -22,7 +22,7 @@ function SwitchButton<ValueType>({
     className={`px-2 py-1 border font-semibold small-caps rounded-none cursor-pointer clr-btn-clear clr-hover ${dimensions} ${isSelected ? 'clr-selected': ''}`}
     {...props}
   >
-    {icon && icon}
+    {icon ? icon : null}
     {label}
   </button>);
 }
diff --git a/rsconcept/frontend/src/components/Common/TextInput.tsx b/rsconcept/frontend/src/components/Common/TextInput.tsx
index 956588e5..0210d663 100644
--- a/rsconcept/frontend/src/components/Common/TextInput.tsx
+++ b/rsconcept/frontend/src/components/Common/TextInput.tsx
@@ -23,15 +23,14 @@ function TextInput({
   const outlineClass = noOutline ? '' : 'clr-outline';
   return (
     <div className={`flex ${dense ? 'items-center gap-4 ' + dimensions : 'flex-col items-start gap-2'}`}>
-      {label && 
+      {label ?
       <Label
         text={label}
         htmlFor={id}
-      />}
+      /> : null}
       <input id={id}
         title={tooltip}
-        
-        onKeyDown={!allowEnter && !onKeyDown ? preventEnterCapture: onKeyDown}
+        onKeyDown={!allowEnter && !onKeyDown ? preventEnterCapture : onKeyDown}
         className={`px-3 py-2 leading-tight truncate hover:text-clip ${colors} ${outlineClass} ${borderClass} ${dense ? 'w-full' : dimensions}`}
         {...props}
       />
diff --git a/rsconcept/frontend/src/components/Common/Tristate.tsx b/rsconcept/frontend/src/components/Common/Tristate.tsx
index 3a63b109..ff560367 100644
--- a/rsconcept/frontend/src/components/Common/Tristate.tsx
+++ b/rsconcept/frontend/src/components/Common/Tristate.tsx
@@ -45,8 +45,7 @@ function Tristate({
   }
 
   return (
-    <button
-      id={id}
+    <button type='button' id={id}
       className={`flex items-center clr-outline focus:outline-dotted focus:outline-1 ${dimensions}`}
       title={tooltip}
       disabled={disabled}
@@ -54,15 +53,15 @@ function Tristate({
       {...props}
     >
       <div className={`w-4 h-4 shrink-0 mt-0.5 border rounded-sm ${bgColor} ${cursor}`} >
-        { value && <div className='mt-[1px] ml-[1px]'><CheckboxCheckedIcon /></div>}
-        { value == null && <div className='mt-[1px] ml-[1px]'><CheckboxNullIcon /></div>}
+        {value ? <div className='mt-[1px] ml-[1px]'><CheckboxCheckedIcon /></div> : null}
+        {value == null ? <div className='mt-[1px] ml-[1px]'><CheckboxNullIcon /></div> : null}
       </div>
-      { label && 
+      {label ? 
       <Label
         className={`${cursor} px-2 text-start`}
         text={label}
         htmlFor={id}
-      />}
+      /> : null}
     </button>
   );
 }
diff --git a/rsconcept/frontend/src/components/DataTable/DataTable.tsx b/rsconcept/frontend/src/components/DataTable/DataTable.tsx
index 33a5dc69..9514352a 100644
--- a/rsconcept/frontend/src/components/DataTable/DataTable.tsx
+++ b/rsconcept/frontend/src/components/DataTable/DataTable.tsx
@@ -113,7 +113,7 @@ export default function DataTable<TData extends RowData>({
   <div className='w-full'>
   <div className='flex flex-col items-stretch'>
     <table>
-      { !noHeader &&
+      {!noHeader ?
       <thead
         className={`clr-app shadow-border`}
         style={{
@@ -124,10 +124,10 @@ export default function DataTable<TData extends RowData>({
       {tableImpl.getHeaderGroups().map(
       (headerGroup: HeaderGroup<TData>) => (
         <tr key={headerGroup.id}>
-          {enableRowSelection && 
+          {enableRowSelection ?
           <th className='pl-3 pr-1'>
             <SelectAll table={tableImpl} />
-          </th>}
+          </th> : null}
           {headerGroup.headers.map(
           (header: Header<TData, unknown>) => (
             <th key={header.id}
@@ -140,16 +140,16 @@ export default function DataTable<TData extends RowData>({
               }}
               onClick={enableSorting ? header.column.getToggleSortingHandler() : undefined}
             >
-              {header.isPlaceholder ? null : (
+              {!header.isPlaceholder ? (
               <div className='flex gap-1'>
                 {flexRender(header.column.columnDef.header, header.getContext())}
-                {enableSorting && header.column.getCanSort() && <SortingIcon column={header.column} />}
-              </div>)}
+                {(enableSorting && header.column.getCanSort()) ? <SortingIcon column={header.column} /> : null}
+              </div>) : null}
             </th>
           ))}
         </tr>
       ))}
-      </thead>}
+      </thead> : null}
       
       <tbody>
       {tableImpl.getRowModel().rows.map(
@@ -162,10 +162,10 @@ export default function DataTable<TData extends RowData>({
           }
           style={conditionalRowStyles && getRowStyles(row)}
         >
-          {enableRowSelection && 
+          {enableRowSelection ?
           <td key={`select-${row.id}`} className='pl-3 pr-1 border-y'>
             <SelectRow row={row} />
-          </td>}
+          </td> : null}
           {row.getVisibleCells().map(
           (cell: Cell<TData, unknown>) => (
             <td
@@ -176,8 +176,8 @@ export default function DataTable<TData extends RowData>({
                 paddingBottom: dense ? '0.25rem': '0.5rem',
                 paddingTop: dense ? '0.25rem': '0.5rem'
               }}
-              onClick={event => onRowClicked && onRowClicked(row.original, event)}
-              onDoubleClick={event => onRowDoubleClicked && onRowDoubleClicked(row.original, event)}
+              onClick={event => onRowClicked ? onRowClicked(row.original, event) : undefined}
+              onDoubleClick={event => onRowDoubleClicked ? onRowDoubleClicked(row.original, event) : undefined}
             >
               {flexRender(cell.column.columnDef.cell, cell.getContext())}
             </td>
@@ -186,7 +186,7 @@ export default function DataTable<TData extends RowData>({
       ))}
       </tbody>
       
-      {!noFooter && 
+      {!noFooter ?
       <tfoot>
       {tableImpl.getFooterGroups().map(
       (footerGroup: HeaderGroup<TData>) => (
@@ -194,23 +194,21 @@ export default function DataTable<TData extends RowData>({
         {footerGroup.headers.map(
         (header: Header<TData, unknown>) => (
           <th key={header.id}>
-            {header.isPlaceholder ? null
-              : flexRender(header.column.columnDef.footer, header.getContext())
-            }
+            {!header.isPlaceholder ? flexRender(header.column.columnDef.footer, header.getContext()) : null}
           </th>
           ))}
         </tr>
         ))}
-      </tfoot>}
+      </tfoot> : null}
     </table>
     
-    {enablePagination && !isEmpty &&
+    {(enablePagination && !isEmpty) ?
     <PaginationTools
       table={tableImpl}
       paginationOptions={paginationOptions}
       onChangePaginationOption={onChangePaginationOption}
-    />}
+    /> : null}
   </div>
-  {isEmpty && (noDataComponent ?? <DefaultNoData />)}
+  {isEmpty ? (noDataComponent ?? <DefaultNoData />) : null}
   </div>);
 }
diff --git a/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx b/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx
index af68f4e6..792b0bc3 100644
--- a/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx
+++ b/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx
@@ -1,6 +1,7 @@
 import { Table } from '@tanstack/react-table';
 import { useCallback } from 'react';
 
+import { prefixes } from '../../utils/constants';
 import { GotoFirstIcon, GotoLastIcon, GotoNextIcon, GotoPrevIcon } from '../Icons';
 
 interface PaginationToolsProps<TData> {
@@ -20,7 +21,7 @@ function PaginationTools<TData>({ table, paginationOptions, onChangePaginationOp
   }, [onChangePaginationOption, table]);
   
   return (
-  <div className='text-sm flex justify-end w-full items-center text-controls select-none my-2'>
+  <div className='flex items-center justify-end w-full my-2 text-sm select-none text-controls'>
   <div className='flex items-center gap-1 mr-3'>
     <div className=''>
       {table.getState().pagination.pageIndex * table.getState().pagination.pageSize + 1}
@@ -31,14 +32,14 @@ function PaginationTools<TData>({ table, paginationOptions, onChangePaginationOp
     <div className=''>{table.getFilteredRowModel().rows.length}</div>
   </div>
   <div className='flex'>
-    <button
+    <button type='button'
       className='clr-hover text-controls'
       onClick={() => table.setPageIndex(0)}
       disabled={!table.getCanPreviousPage()}
     >
       <GotoFirstIcon />
     </button>
-    <button
+    <button type='button'
       className='clr-hover text-controls'
       onClick={() => table.previousPage()}
       disabled={!table.getCanPreviousPage()}
@@ -47,7 +48,7 @@ function PaginationTools<TData>({ table, paginationOptions, onChangePaginationOp
     </button>
     <input type='text'
       title='Номер страницы. Выделите для ручного ввода'
-      className='w-6 clr-app text-center'
+      className='w-6 text-center clr-app'
       value={table.getState().pagination.pageIndex + 1}
       onChange={event => {
         const page = event.target.value ? Number(event.target.value) - 1 : 0;
@@ -56,14 +57,15 @@ function PaginationTools<TData>({ table, paginationOptions, onChangePaginationOp
         }
       }}
     />
-    <button
+    <button type='button'
       className='clr-hover text-controls'
       onClick={() => table.nextPage()}
       disabled={!table.getCanNextPage()}
     >
       <GotoNextIcon />
     </button>
-    <button className='clr-hover text-controls'
+    <button type='button'
+      className='clr-hover text-controls'
       onClick={() => table.setPageIndex(table.getPageCount() - 1)}
       disabled={!table.getCanNextPage()}
     >
@@ -73,11 +75,11 @@ function PaginationTools<TData>({ table, paginationOptions, onChangePaginationOp
   <select
     value={table.getState().pagination.pageSize}
     onChange={handlePaginationOptionsChange}
-    className='clr-app mx-2 cursor-pointer'
+    className='mx-2 cursor-pointer clr-app'
   >
   {paginationOptions.map(
-  pageSize => (
-    <option key={pageSize} value={pageSize}>
+  (pageSize) => (
+    <option key={`${prefixes.page_size}${pageSize}`} value={pageSize}>
       {pageSize} на стр
     </option>
   ))}
diff --git a/rsconcept/frontend/src/components/DataTable/SelectAll.tsx b/rsconcept/frontend/src/components/DataTable/SelectAll.tsx
index db1b7260..b651a874 100644
--- a/rsconcept/frontend/src/components/DataTable/SelectAll.tsx
+++ b/rsconcept/frontend/src/components/DataTable/SelectAll.tsx
@@ -8,16 +8,15 @@ interface SelectAllProps<TData> {
 
 function SelectAll<TData>({ table }: SelectAllProps<TData>) {  
   return (
-    <Tristate
-      tabIndex={-1}
-      value={
-        !table.getIsAllPageRowsSelected() && table.getIsSomePageRowsSelected() ? null :
-        table.getIsAllPageRowsSelected()
-      }
-      tooltip='Выделить все'
-      setValue={value => table.toggleAllPageRowsSelected(value !== false)}
-    />
-  );
+  <Tristate tabIndex={-1}
+    tooltip='Выделить все'
+    value={
+      (!table.getIsAllPageRowsSelected() && table.getIsSomePageRowsSelected())
+      ? null
+      : table.getIsAllPageRowsSelected()
+    }
+    setValue={value => table.toggleAllPageRowsSelected(value !== false)}
+  />);
 }
 
 export default SelectAll;
diff --git a/rsconcept/frontend/src/components/DataTable/SelectRow.tsx b/rsconcept/frontend/src/components/DataTable/SelectRow.tsx
index 2fd5658e..c5b2a714 100644
--- a/rsconcept/frontend/src/components/DataTable/SelectRow.tsx
+++ b/rsconcept/frontend/src/components/DataTable/SelectRow.tsx
@@ -8,12 +8,10 @@ interface SelectRowProps<TData> {
 
 function SelectRow<TData>({ row }: SelectRowProps<TData>) {  
   return (
-    <Checkbox
-      tabIndex={-1}
-      value={row.getIsSelected()}
-      setValue={row.getToggleSelectedHandler()}
-    />
-  );
+  <Checkbox tabIndex={-1}
+    value={row.getIsSelected()}
+    setValue={row.getToggleSelectedHandler()}
+  />);
 }
 
 export default SelectRow;
diff --git a/rsconcept/frontend/src/components/DataTable/SortingIcon.tsx b/rsconcept/frontend/src/components/DataTable/SortingIcon.tsx
index 8aa5c670..eff755d3 100644
--- a/rsconcept/frontend/src/components/DataTable/SortingIcon.tsx
+++ b/rsconcept/frontend/src/components/DataTable/SortingIcon.tsx
@@ -12,7 +12,8 @@ function SortingIcon<TData>({ column }: SortingIconProps<TData>) {
       desc: <DescendingIcon size={4} />,
       asc: <AscendingIcon size={4}/>,
     }[column.getIsSorted() as string] ?? 
-    <DescendingIcon size={4} color='opacity-0 hover:opacity-50' />}
+      <DescendingIcon size={4} color='opacity-0 hover:opacity-50' />
+    }
   </>);
 }
 
diff --git a/rsconcept/frontend/src/components/ErrorFallback.tsx b/rsconcept/frontend/src/components/ErrorFallback.tsx
index c3ddbc82..049181bc 100644
--- a/rsconcept/frontend/src/components/ErrorFallback.tsx
+++ b/rsconcept/frontend/src/components/ErrorFallback.tsx
@@ -7,7 +7,7 @@ function ErrorFallback({ error, resetErrorBoundary }: FallbackProps) {
   return (
     <div className='flex flex-col items-center antialiased clr-app' role='alert'>
       <h1 className='text-lg font-semibold'>Что-то пошло не так!</h1>
-      { error  }
+      {error}
       <Button onClick={resetErrorBoundary} text='Попробовать еще раз' />
     </div>
   );
diff --git a/rsconcept/frontend/src/components/Footer.tsx b/rsconcept/frontend/src/components/Footer.tsx
index c3113495..4bb0a44b 100644
--- a/rsconcept/frontend/src/components/Footer.tsx
+++ b/rsconcept/frontend/src/components/Footer.tsx
@@ -12,8 +12,7 @@ function Footer() {
           <Link className='mx-2 hover:underline' to={urls.concept} tabIndex={-1}>Центр Концепт</Link>
           <Link className='mx-2 hover:underline' to='/manuals?topic=exteor' tabIndex={-1}>Экстеор</Link>
         </div>
-        <div className=''>
-          
+        <div>
           <p className='mt-0.5 text-center'>© 2023 ЦИВТ КОНЦЕПТ</p>
         </div>
 
diff --git a/rsconcept/frontend/src/components/Help/InfoConstituenta.tsx b/rsconcept/frontend/src/components/Help/InfoConstituenta.tsx
index 975ce9f1..54a9f5e6 100644
--- a/rsconcept/frontend/src/components/Help/InfoConstituenta.tsx
+++ b/rsconcept/frontend/src/components/Help/InfoConstituenta.tsx
@@ -8,15 +8,32 @@ extends React.HTMLAttributes<HTMLDivElement> {
 
 function InfoConstituenta({ data, ...props }: InfoConstituentaProps) {
   return (
-    <div {...props}>
-      <h1>Конституента {data.alias}</h1>
-      <p><b>Типизация: </b>{labelCstTypification(data)}</p>
-      <p><b>Термин: </b>{data.term_resolved || data.term_raw}</p>
-      {data.definition_formal && <p><b>Выражение: </b>{data.definition_formal}</p>}
-      {data.definition_resolved && <p><b>Определение: </b>{data.definition_resolved}</p>}
-      {data.convention && <p><b>Конвенция: </b>{data.convention}</p>}
-    </div>
-  );
+  <div {...props}>
+    <h1>Конституента {data.alias}</h1>
+    <p>
+      <b>Типизация: </b>
+      {labelCstTypification(data)}
+    </p>
+    <p>
+      <b>Термин: </b>
+      {data.term_resolved || data.term_raw}
+    </p>
+    {data.definition_formal ?
+    <p>
+      <b>Выражение: </b>
+      {data.definition_formal}
+    </p> : null}
+    {data.definition_resolved ?
+    <p>
+      <b>Определение: </b>
+      {data.definition_resolved}
+    </p> : null}
+    {data.convention ?
+    <p>
+      <b>Конвенция: </b>
+      {data.convention}
+    </p> : null}
+  </div>);
 }
 
 export default InfoConstituenta;
diff --git a/rsconcept/frontend/src/components/Help/InfoCstClass.tsx b/rsconcept/frontend/src/components/Help/InfoCstClass.tsx
index 9d75d568..89634dc8 100644
--- a/rsconcept/frontend/src/components/Help/InfoCstClass.tsx
+++ b/rsconcept/frontend/src/components/Help/InfoCstClass.tsx
@@ -12,26 +12,25 @@ function InfoCstClass({ title }: InfoCstClassProps) {
   const { colors } = useConceptTheme();
 
   return (
-    <div className='flex flex-col gap-1 mb-2'>
-      { title && <h1>{title}</h1>}
-      { Object.values(CstClass).map(
-      (cclass, index) => {
-        return (
-        <p key={`${prefixes.cst_status_list}${index}`}>
-          <span
-            className='px-1 inline-block font-semibold min-w-[7rem] text-center border text-sm small-caps'
-            style={{backgroundColor: colorbgCstClass(cclass, colors)}}
-          >
-            {labelCstClass(cclass)}
-          </span>
-          <span> - </span>
-          <span>
-            {describeCstClass(cclass)}
-          </span>
-        </p>);
-      })}
-    </div>
-  );
+  <div className='flex flex-col gap-1 mb-2'>
+    {title ? <h1>{title}</h1> : null}
+    {Object.values(CstClass).map(
+    (cclass, index) => {
+      return (
+      <p key={`${prefixes.cst_status_list}${index}`}>
+        <span
+          className='px-1 inline-block font-semibold min-w-[7rem] text-center border text-sm small-caps'
+          style={{backgroundColor: colorbgCstClass(cclass, colors)}}
+        >
+          {labelCstClass(cclass)}
+        </span>
+        <span> - </span>
+        <span>
+          {describeCstClass(cclass)}
+        </span>
+      </p>);
+    })}
+  </div>);
 }
 
 export default InfoCstClass;
diff --git a/rsconcept/frontend/src/components/Help/InfoCstStatus.tsx b/rsconcept/frontend/src/components/Help/InfoCstStatus.tsx
index 8383c7a2..dad5d4b1 100644
--- a/rsconcept/frontend/src/components/Help/InfoCstStatus.tsx
+++ b/rsconcept/frontend/src/components/Help/InfoCstStatus.tsx
@@ -12,29 +12,28 @@ function InfoCstStatus({ title }: InfoCstStatusProps) {
   const { colors } = useConceptTheme();
 
   return (
-    <div className='flex flex-col gap-1 h-fit mb-2'>
-      { title && <h1>{title}</h1>}
-      { Object.values(ExpressionStatus)
-        .filter(status => status !== ExpressionStatus.UNDEFINED)
-        .map(
-        (status, index) => {
-          return (
-          <p key={`${prefixes.cst_status_list}${index}`}>
-            <span
-              className='px-1 inline-block font-semibold min-w-[7rem] text-center border text-sm small-caps'
-              style={{backgroundColor: colorbgCstStatus(status, colors)}}
-            >
-              {labelExpressionStatus(status)}
-            </span>
-            <span> - </span>
-            <span>
-              {describeExpressionStatus(status)}
-            </span>
-          </p>);
-        }
-      )}
-    </div>
-  );
+  <div className='flex flex-col gap-1 mb-2 h-fit'>
+    {title ? <h1>{title}</h1> : null}
+    {Object.values(ExpressionStatus)
+      .filter(status => status !== ExpressionStatus.UNDEFINED)
+      .map(
+      (status, index) => {
+        return (
+        <p key={`${prefixes.cst_status_list}${index}`}>
+          <span
+            className='px-1 inline-block font-semibold min-w-[7rem] text-center border text-sm small-caps'
+            style={{backgroundColor: colorbgCstStatus(status, colors)}}
+          >
+            {labelExpressionStatus(status)}
+          </span>
+          <span> - </span>
+          <span>
+            {describeExpressionStatus(status)}
+          </span>
+        </p>);
+      }
+    )}
+  </div>);
 }
 
 export default InfoCstStatus;
diff --git a/rsconcept/frontend/src/components/Navigation/Logo.tsx b/rsconcept/frontend/src/components/Navigation/Logo.tsx
index 4e22b6d1..75e330eb 100644
--- a/rsconcept/frontend/src/components/Navigation/Logo.tsx
+++ b/rsconcept/frontend/src/components/Navigation/Logo.tsx
@@ -10,23 +10,25 @@ function Logo() {
   const windowSize = useWindowSize();
 
   return (
-    <Link to='/' className='flex items-center h-full mr-2' tabIndex={-1}>
-      { (windowSize.width && windowSize.width >= HIDE_LOGO_TEXT_LIMIT) && !darkMode &&
+    <Link to='/' tabIndex={-1}
+      className='flex items-center h-full mr-2'
+    >
+      {(windowSize.width && windowSize.width >= HIDE_LOGO_TEXT_LIMIT && !darkMode) ?
       <img alt=''
         src='/logo_full.svg'
         className='max-h-[1.6rem] min-w-[1.6rem]'
-      />}
-      { (windowSize.width && windowSize.width >= HIDE_LOGO_TEXT_LIMIT) && darkMode &&
+      /> : null}
+      {(windowSize.width && windowSize.width >= HIDE_LOGO_TEXT_LIMIT && darkMode) ?
       <img alt=''
         src='/logo_full_dark.svg'
         className='max-h-[1.6rem] min-w-[1.6rem]'
-      />}
-      { (!windowSize.width || windowSize.width < HIDE_LOGO_TEXT_LIMIT) && 
+      /> : null}
+      {(!windowSize.width || windowSize.width < HIDE_LOGO_TEXT_LIMIT) ? 
       <img alt=''
         src='/logo_sign.svg'
         className='max-h-[1.6rem] min-w-[2.2rem]'
         
-      />}
+      /> : null}
     </Link>
   );
 }
diff --git a/rsconcept/frontend/src/components/Navigation/Navigation.tsx b/rsconcept/frontend/src/components/Navigation/Navigation.tsx
index 4fda5027..f25dde2f 100644
--- a/rsconcept/frontend/src/components/Navigation/Navigation.tsx
+++ b/rsconcept/frontend/src/components/Navigation/Navigation.tsx
@@ -15,25 +15,23 @@ function Navigation () {
 
   return (
     <nav className='sticky top-0 left-0 right-0 select-none clr-app z-navigation h-fit'>
-      {!noNavigation &&
-      <button
-        title='Скрыть навигацию'
-        className='absolute top-0 right-0 z-navigation w-[1.2rem] h-[3rem] border-b-2 border-l-2 clr-btn-nav rounded-none'
-        onClick={toggleNoNavigation}
-        tabIndex={-1}
-      >
-        <p>{'>'}</p><p>{'>'}</p>
-      </button>}
-      {noNavigation &&
-      <button
+      {noNavigation ?
+      <button type='button' tabIndex={-1}
         title='Показать навигацию'
         className='absolute top-0 right-0 z-navigation px-1 h-[1.6rem] border-b-2 border-l-2 clr-btn-nav rounded-none'
         onClick={toggleNoNavigation}
-        tabIndex={-1}
       >
         {'∨∨∨'}
-      </button>}
-      {!noNavigation &&
+      </button> : null}
+      {!noNavigation ?
+      <button type='button' tabIndex={-1}
+        title='Скрыть навигацию'
+        className='absolute top-0 right-0 z-navigation w-[1.2rem] h-[3rem] border-b-2 border-l-2 clr-btn-nav rounded-none'
+        onClick={toggleNoNavigation}
+      >
+        <p>{'>'}</p><p>{'>'}</p>
+      </button> : null}
+      {!noNavigation ?
       <div className='flex items-stretch justify-between pl-2 pr-[0.8rem] border-b-2 rounded-none h-[3rem]'>
         <div className='flex items-center justify-start'>
           <Logo />
@@ -59,7 +57,7 @@ function Navigation () {
           />
           <UserMenu />
         </div>
-      </div>}
+      </div> : null}
     </nav>
   );
 }
diff --git a/rsconcept/frontend/src/components/Navigation/NavigationButton.tsx b/rsconcept/frontend/src/components/Navigation/NavigationButton.tsx
index ae7a8651..03827ce1 100644
--- a/rsconcept/frontend/src/components/Navigation/NavigationButton.tsx
+++ b/rsconcept/frontend/src/components/Navigation/NavigationButton.tsx
@@ -8,15 +8,13 @@ interface NavigationButtonProps {
 
 function NavigationButton({ id, icon, description, onClick, text }: NavigationButtonProps) {
   return (
-    <button id={id}
+    <button id={id} type='button' tabIndex={-1}
       title={description}
-      type='button'
       onClick={onClick}
-      tabIndex={-1}
       className={`flex items-center h-full gap-1 ${text ? 'px-2' : 'px-4'} mr-1 small-caps whitespace-nowrap clr-btn-nav`}
     >
-      {icon && <span>{icon}</span>}
-      {text && <span className='font-semibold'>{text}</span>}
+      {icon ? <span>{icon}</span> : null}
+      {text ? <span className='font-semibold'>{text}</span> : null}
     </button>
   );
 }
diff --git a/rsconcept/frontend/src/components/Navigation/ThemeSwitcher.tsx b/rsconcept/frontend/src/components/Navigation/ThemeSwitcher.tsx
index 21f09447..2f0c6d94 100644
--- a/rsconcept/frontend/src/components/Navigation/ThemeSwitcher.tsx
+++ b/rsconcept/frontend/src/components/Navigation/ThemeSwitcher.tsx
@@ -4,12 +4,21 @@ import NavigationButton from './NavigationButton';
 
 function ThemeSwitcher() {
   const { darkMode, toggleDarkMode } = useConceptTheme();
-  return (
-    <>
-      {darkMode && <NavigationButton icon={<LightThemeIcon />} description='Светлая тема' onClick={toggleDarkMode} />}
-      {!darkMode && <NavigationButton icon={<DarkThemeIcon />} description='Темная тема' onClick={toggleDarkMode} />}
-    </>
-  );
+  if (darkMode) {
+    return (
+    <NavigationButton
+      description='Светлая тема'
+      icon={<LightThemeIcon />}
+      onClick={toggleDarkMode}
+    />);
+  } else {
+    return (
+    <NavigationButton
+      description='Темная тема'
+      icon={<DarkThemeIcon />}
+      onClick={toggleDarkMode}
+    />);
+  }
 }
 
 export default ThemeSwitcher;
diff --git a/rsconcept/frontend/src/components/Navigation/UserMenu.tsx b/rsconcept/frontend/src/components/Navigation/UserMenu.tsx
index d3686edd..2ae7c1c0 100644
--- a/rsconcept/frontend/src/components/Navigation/UserMenu.tsx
+++ b/rsconcept/frontend/src/components/Navigation/UserMenu.tsx
@@ -14,24 +14,24 @@ function UserMenu() {
   return (
     <div ref={menu.ref} className='h-full'>
       <div className='flex items-center justify-end h-full w-fit'>
-      { !user && 
+      {!user ?
       <NavigationButton
         text='Войти...'
         description='Перейти на страницу логина'
         icon={<InDoorIcon />}
         onClick={navigateLogin}
-      />}
-      { user &&
+      /> : null}
+      {user ?
       <NavigationButton
-        icon={<UserIcon />}
         description={`Пользователь ${user?.username}`}
+        icon={<UserIcon />}
         onClick={menu.toggle}
-      />}
+      /> : null}
       </div>
-      { user && menu.isActive &&
+      {(user && menu.isActive) ?
       <UserDropdown
         hideDropdown={() => menu.hide()}
-      />}
+      /> : null}
     </div>
   );
 }
diff --git a/rsconcept/frontend/src/components/RSInput/RSInput.tsx b/rsconcept/frontend/src/components/RSInput/RSInput.tsx
index e14eef36..05b1dd99 100644
--- a/rsconcept/frontend/src/components/RSInput/RSInput.tsx
+++ b/rsconcept/frontend/src/components/RSInput/RSInput.tsx
@@ -152,12 +152,12 @@ function RSInput({
 
   return (
     <div className={`flex flex-col ${dimensions} ${cursor}`}>
-    {label && 
+    {label ?
     <Label
       text={label}
       htmlFor={id}
       className='mb-2'
-    />}
+    /> : null}
     <CodeMirror id={id}
       ref={thisRef}
       basicSetup={editorSetup}
diff --git a/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx b/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx
index 779c80a0..60235d6e 100644
--- a/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx
+++ b/rsconcept/frontend/src/components/RefsInput/RefsInput.tsx
@@ -177,7 +177,7 @@ function RefsInput({
 
   return (
   <>
-    { showEditor && 
+    {showEditor ?
     <DlgEditReference
       hideWindow={() => setShowEditor(false)}
       items={items ?? []}
@@ -189,9 +189,8 @@ function RefsInput({
         mainRefs: mainRefs
       }}
       onSave={handleInputReference}
-    />
-    }
-    { showResolve &&
+    /> : null}
+    {showResolve ?
     <Modal
       readonly
       hideWindow={() => setShowResolve(false)}
@@ -199,16 +198,15 @@ function RefsInput({
       <div className='max-h-[60vh] max-w-[80vw] overflow-auto'>
         <PrettyJson data={refsData} />
       </div>
-    </Modal>}
+    </Modal> : null}
     <div className={`flex flex-col  w-full ${cursor}`}>
-    {label && 
+    {label ? 
     <Label
       text={label}
       htmlFor={id}
       className='mb-2'
-    />}
-    <CodeMirror id={id}
-      ref={thisRef}
+    /> : null}
+    <CodeMirror id={id} ref={thisRef}
       basicSetup={editorSetup}
       theme={customTheme}
       extensions={editorExtensions}
diff --git a/rsconcept/frontend/src/components/RequireAuth.tsx b/rsconcept/frontend/src/components/RequireAuth.tsx
index 94ba91c7..6f5d7bd5 100644
--- a/rsconcept/frontend/src/components/RequireAuth.tsx
+++ b/rsconcept/frontend/src/components/RequireAuth.tsx
@@ -8,19 +8,17 @@ interface RequireAuthProps {
 function RequireAuth({ children }: RequireAuthProps) {
   const { user } = useAuth();
 
-  return (
-    <>
-      {user && children}
-      {!user &&
-        <div className='flex flex-col items-center gap-1 mt-2'>
-          <p className='mb-2'>Пожалуйста войдите в систему</p>
-          <TextURL text='Войти в Портал' href='/login'/>
-          <TextURL text='Зарегистрироваться' href='/signup'/>
-          <TextURL text='Начальная страница' href='/'/>
-        </div>
-      }
-    </>
-  );
+  if (user) {
+    return children;
+  } else {
+    return (
+    <div className='flex flex-col items-center gap-1 mt-2'>
+      <p className='mb-2'>Пожалуйста войдите в систему</p>
+      <TextURL text='Войти в Портал' href='/login'/>
+      <TextURL text='Зарегистрироваться' href='/signup'/>
+      <TextURL text='Начальная страница' href='/'/>
+    </div>);
+  }
 }
 
 export default RequireAuth;
diff --git a/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx b/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx
index 74edc961..64a3a9df 100644
--- a/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx
+++ b/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx
@@ -27,14 +27,18 @@ function ConstituentaBadge({ value, prefixID, shortTooltip, theme }: Constituent
     >
       {value.alias}
     </div>
-    { !shortTooltip && <ConstituentaTooltip data={value} anchor={`#${prefixID}${value.alias}`} />}
-    { shortTooltip && 
+    {!shortTooltip ?
+    <ConstituentaTooltip
+      anchor={`#${prefixID}${value.alias}`}
+      data={value}
+    /> : null}
+    {shortTooltip ?
     <ConceptTooltip
       anchorSelect={`#${prefixID}${value.alias}`}
       place='right'
     >
       <p><span className='font-semibold'>Статус</span>: {describeExpressionStatus(value.status)}</p>
-    </ConceptTooltip>}
+    </ConceptTooltip> : null}
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx
index dca99fa8..ffe894a2 100644
--- a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx
@@ -127,7 +127,6 @@ function ArgumentsTab({ state, schema, partialUpdate  }: ArgumentsTabProps) {
 
   return (
   <div className='flex flex-col gap-3'>
-
     <div className='overflow-y-auto text-sm border select-none max-h-[5.8rem] min-h-[5.8rem]'>
       <DataTable dense noFooter
         data={state.arguments}
diff --git a/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx b/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx
index 210dee60..65ca3329 100644
--- a/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx
@@ -58,8 +58,8 @@ function DlgCreateCst({ hideWindow, initial, schema, onCreate }: DlgCreateCstPro
       <div className='flex justify-center w-full gap-6'>
         <SelectSingle
           className='my-2 min-w-[15rem] self-center'
-          options={SelectorCstType}
           placeholder='Выберите тип'
+          options={SelectorCstType}
           value={{ value: cstData.cst_type, label: labelCstType(cstData.cst_type) }}
           onChange={data => updateCstData({ cst_type: data?.value ?? CstType.BASE})}
         />
diff --git a/rsconcept/frontend/src/dialogs/DlgDeleteCst.tsx b/rsconcept/frontend/src/dialogs/DlgDeleteCst.tsx
index 5947db0f..33fa71a2 100644
--- a/rsconcept/frontend/src/dialogs/DlgDeleteCst.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgDeleteCst.tsx
@@ -30,9 +30,9 @@ function DlgDeleteCst({ hideWindow, selected, onDelete }: DlgDeleteCstProps) {
   return (
     <Modal
       title='Удаление конституент'
+      submitText={expandOut ? 'Удалить с зависимыми' : 'Удалить'}
       hideWindow={hideWindow}
       canSubmit={true}
-      submitText={expandOut ? 'Удалить с зависимыми' : 'Удалить'}
       onSubmit={handleSubmit}
     >
     <div className='max-w-[60vw] min-w-[20rem]'>
@@ -41,10 +41,10 @@ function DlgDeleteCst({ hideWindow, selected, onDelete }: DlgDeleteCstProps) {
       {selected.map(
       (id) => {
         const cst = schema!.items.find(cst => cst.id === id);
-        return (cst && 
+        return (cst ?
         <p key={`${prefixes.cst_delete_list}${cst.id}`}>
           {labelConstituenta(cst)}
-        </p>);
+        </p> : null);
       })}
       </div>
       <p className='mt-4'>Зависимые конституенты: <b>{expansion.length}</b></p>
@@ -52,10 +52,10 @@ function DlgDeleteCst({ hideWindow, selected, onDelete }: DlgDeleteCstProps) {
       {expansion.map(
       (id) => {
         const cst = schema!.items.find(cst => cst.id === id);
-        return (cst &&
+        return (cst ?
         <p key={`${prefixes.cst_dependant_list}${cst.id}`}>
           {labelConstituenta(cst)}
-        </p>);
+        </p> : null);
       })}
       </div>
       <Checkbox
diff --git a/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx b/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx
index e7d786ad..c0d71863 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx
@@ -186,37 +186,31 @@ function DlgEditReference({ hideWindow, items, initial, onSave }: DlgEditReferen
         <HelpTerminologyControl />
       </ConceptTooltip>
     </div>
-    {type !== ReferenceType.SYNTACTIC ? null :
+    {type === ReferenceType.SYNTACTIC ?
     <div className='flex flex-col gap-2'>
       <div className='flex flex-start'>
-        <TextInput id='offset' type='number'
+        <TextInput type='number' dense
           label='Смещение'
           dimensions='max-w-[10rem]'
-          dense
           value={offset}
           onChange={event => setOffset(event.target.valueAsNumber)}
         />
         <div className='self-center ml-2 text-sm font-semibold whitespace-nowrap'>
           Основная ссылка:
         </div>
-        <TextInput
-          dense
-          disabled
-          noBorder
+        <TextInput disabled dense noBorder
           value={mainLink}
           dimensions='w-full text-sm'
         />
       </div>
-      <TextInput id='nominal' type='text'
+      <TextInput spellCheck
         label='Начальная форма'
         placeholder='зависимое слово в начальной форме'
-        dimensions='w-full'
-        spellCheck
         value={nominal}
         onChange={event => setNominal(event.target.value)}
       />
-    </div>}
-    {type !== ReferenceType.ENTITY ? null :
+    </div> : null}
+    {type === ReferenceType.ENTITY ?
     <div className='flex flex-col gap-2'>
       <ConstituentaPicker 
         value={selectedCst}
@@ -230,11 +224,10 @@ function DlgEditReference({ hideWindow, items, initial, onSave }: DlgEditReferen
       />
 
       <div className='flex gap-4 flex-start'>
-        <TextInput
+        <TextInput dense
           label='Отсылаемая конституента'
           placeholder='Имя'
           dimensions='max-w-[16rem] min-w-[16rem] whitespace-nowrap'
-          dense
           value={alias}
           onChange={event => setAlias(event.target.value)}
         />
@@ -242,10 +235,7 @@ function DlgEditReference({ hideWindow, items, initial, onSave }: DlgEditReferen
           <div className='self-center text-sm font-semibold'>
             Термин:
           </div>
-          <TextInput
-            dense
-            disabled
-            noBorder
+          <TextInput disabled dense noBorder
             value={term}
             tooltip={term}
             dimensions='w-full text-sm'
@@ -265,7 +255,7 @@ function DlgEditReference({ hideWindow, items, initial, onSave }: DlgEditReferen
           onChange={newValue => setSelectedGrams([...newValue].sort(compareGrammemeOptions))}
         />
       </div>
-    </div>}
+    </div> : null}
   </div>
   </Modal>);
 }
diff --git a/rsconcept/frontend/src/dialogs/DlgEditReference/WordformButton.tsx b/rsconcept/frontend/src/dialogs/DlgEditReference/WordformButton.tsx
index 1f5bf59f..617cca74 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditReference/WordformButton.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditReference/WordformButton.tsx
@@ -10,10 +10,8 @@ interface WordformButtonProps {
 
 function WordformButton({ text, example, grams, onSelectGrams, isSelected, ...props }: WordformButtonProps) {
   return (
-    <button
-      type='button'
+    <button type='button' tabIndex={-1}
       onClick={() => onSelectGrams(grams)}
-      tabIndex={-1}
       className={`min-w-[6rem] p-1 border rounded-none cursor-pointer clr-btn-clear clr-hover ${isSelected ? 'clr-selected': ''}`}
       {...props}
     >
diff --git a/rsconcept/frontend/src/dialogs/DlgEditWordForms.tsx b/rsconcept/frontend/src/dialogs/DlgEditWordForms.tsx
index 7f0f8722..d9bc3f97 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditWordForms.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditWordForms.tsx
@@ -11,7 +11,7 @@ import { ArrowLeftIcon, ArrowRightIcon, CheckIcon, ChevronDoubleDownIcon, CrossI
 import { useConceptTheme } from '../context/ThemeContext';
 import useConceptText from '../hooks/useConceptText';
 import { Grammeme, ITextRequest, IWordForm, IWordFormPlain } from '../models/language';
-import { getCompatibleGrams, wordFormEquals, parseGrammemes } from '../models/languageAPI';
+import { getCompatibleGrams, parseGrammemes,wordFormEquals } from '../models/languageAPI';
 import { IConstituenta, TermForm } from '../models/rsform';
 import { colorfgGrammeme } from '../utils/color';
 import { labelGrammeme } from '../utils/labels';
@@ -169,12 +169,11 @@ function DlgEditWordForms({ hideWindow, target, onSave }: DlgEditWordFormsProps)
       maxSize: 250,
       cell: props => 
         <div className='flex flex-wrap justify-start gap-1 select-none'>
-          { props.getValue().map(
-          gram => 
+          {props.getValue().map(
+          (gram) => 
             <div
               key={`${props.cell.id}-${gram}`}
               className='min-w-[3rem] px-1 text-sm text-center rounded-md whitespace-nowrap'
-              title=''
               style={{
                 borderWidth: '1px', 
                 borderColor: colorfgGrammeme(gram, colors),
@@ -195,10 +194,9 @@ function DlgEditWordForms({ hideWindow, target, onSave }: DlgEditWordFormsProps)
       maxSize: 50,
       cell: props => 
         <div>
-        <MiniButton
+        <MiniButton noHover
           tooltip='Удалить словоформу'
           icon={<CrossIcon size={4} color='text-warning'/>}
-          noHover
           onClick={() => handleDeleteRow(props.row.index)}
         />
         </div>
@@ -247,7 +245,6 @@ function DlgEditWordForms({ hideWindow, target, onSave }: DlgEditWordFormsProps)
         placeholder='Введите текст'
         rows={2}
         dimensions='min-w-[18rem] w-full min-h-[4.2rem]'
-
         value={inputText}
         onChange={event => setInputText(event.target.value)}
       />
@@ -317,11 +314,10 @@ function DlgEditWordForms({ hideWindow, target, onSave }: DlgEditWordFormsProps)
     </div>
     
     <div className='border overflow-y-auto max-h-[17.4rem] min-h-[17.4rem] mb-2'>
-    <DataTable
+    <DataTable dense noFooter
         data={forms}
         columns={columns}
         headPosition='0'
-        dense
         noDataComponent={
           <span className='flex flex-col justify-center p-2 text-center min-h-[2rem]'>
             <p>Список пуст</p>
diff --git a/rsconcept/frontend/src/dialogs/DlgGraphOptions.tsx b/rsconcept/frontend/src/dialogs/DlgGraphOptions.tsx
index 050e2cfb..f6822d42 100644
--- a/rsconcept/frontend/src/dialogs/DlgGraphOptions.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgGraphOptions.tsx
@@ -20,11 +20,10 @@ function DlgGraphOptions({ hideWindow, initial, onConfirm } : DlgGraphOptionsPro
   };
 
   return (
-    <Modal
+    <Modal canSubmit
       hideWindow={hideWindow}
       title='Настройки графа термов'
       onSubmit={handleSubmit}
-      canSubmit
       submitText='Применить'
     >
       <div className='flex gap-2'>
@@ -34,25 +33,25 @@ function DlgGraphOptions({ hideWindow, initial, onConfirm } : DlgGraphOptionsPro
             label='Скрыть текст'
             tooltip='Не отображать термины'
             value={params.noTerms} 
-            setValue={ value => updateParams({noTerms: value}) }
+            setValue={value => updateParams({noTerms: value})}
           />
           <Checkbox
             label='Скрыть несвязанные'
             tooltip='Неиспользуемые конституенты'
             value={params.noHermits} 
-            setValue={ value => updateParams({ noHermits: value}) }
+            setValue={value => updateParams({ noHermits: value})}
           />
           <Checkbox
             label='Скрыть шаблоны'
             tooltip='Терм-функции и предикат-функции с параметризованными аргументами'
             value={params.noTemplates} 
-            setValue={ value => updateParams({ noTemplates: value}) }
+            setValue={value => updateParams({ noTemplates: value})}
           />
           <Checkbox
             label='Транзитивная редукция'
             tooltip='Удалить связи, образующие транзитивные пути в графе'
             value={params.noTransitive} 
-            setValue={ value => updateParams({ noTransitive: value}) }
+            setValue={value => updateParams({ noTransitive: value})}
           />
         </div>
         <div className='flex flex-col gap-1'>
@@ -60,42 +59,42 @@ function DlgGraphOptions({ hideWindow, initial, onConfirm } : DlgGraphOptionsPro
           <Checkbox
             label={labelCstType(CstType.BASE)}
             value={params.allowBase} 
-            setValue={ value => updateParams({ allowBase: value}) }
+            setValue={value => updateParams({ allowBase: value})}
           />
           <Checkbox
             label={labelCstType(CstType.STRUCTURED)}
             value={params.allowStruct} 
-            setValue={ value => updateParams({ allowStruct: value}) }
+            setValue={value => updateParams({ allowStruct: value})}
           />
           <Checkbox
             label={labelCstType(CstType.TERM)}
             value={params.allowTerm} 
-            setValue={ value => updateParams({ allowTerm: value}) }
+            setValue={value => updateParams({ allowTerm: value})}
           />
           <Checkbox
             label={labelCstType(CstType.AXIOM)}
             value={params.allowAxiom} 
-            setValue={ value => updateParams({ allowAxiom: value}) }
+            setValue={value => updateParams({ allowAxiom: value})}
           />
           <Checkbox
             label={labelCstType(CstType.FUNCTION)}
             value={params.allowFunction} 
-            setValue={ value => updateParams({ allowFunction: value}) }
+            setValue={value => updateParams({ allowFunction: value})}
           />
           <Checkbox
             label={labelCstType(CstType.PREDICATE)}
             value={params.allowPredicate} 
-            setValue={ value => updateParams({ allowPredicate: value}) }
+            setValue={value => updateParams({ allowPredicate: value})}
           />
           <Checkbox
             label={labelCstType(CstType.CONSTANT)}
             value={params.allowConstant} 
-            setValue={ value => updateParams({ allowConstant: value}) }
+            setValue={value => updateParams({ allowConstant: value})}
           />
           <Checkbox
             label={labelCstType(CstType.THEOREM)}
             value={params.allowTheorem} 
-            setValue ={ value => updateParams({ allowTheorem: value}) }
+            setValue={value => updateParams({ allowTheorem: value})}
           />
         </div>
       </div>
diff --git a/rsconcept/frontend/src/dialogs/DlgRenameCst.tsx b/rsconcept/frontend/src/dialogs/DlgRenameCst.tsx
index e8b7c528..37dc6464 100644
--- a/rsconcept/frontend/src/dialogs/DlgRenameCst.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgRenameCst.tsx
@@ -42,23 +42,25 @@ function DlgRenameCst({ hideWindow, initial, onRename }: DlgRenameCstProps) {
   return (
     <Modal
       title='Переименование конституенты'
+      submitText='Переименовать'
+      submitInvalidTooltip={'Введите незанятое имя, соответствующее типу'}
       hideWindow={hideWindow}
       canSubmit={validated}
       onSubmit={handleSubmit}
-      submitInvalidTooltip={'Введите незанятое имя, соответствующее типу'}
-      submitText='Переименовать'
     >
       <div className='flex items-center gap-4 px-2 my-2 h-fit min-w-[25rem]'>
         <SelectSingle
+          placeholder='Выберите тип'
           className='min-w-[14rem] self-center z-modal-top'
           options={SelectorCstType}
-          placeholder='Выберите тип'
-          value={{ value: cstData.cst_type, label: labelCstType(cstData.cst_type) }}
+          value={{
+            value: cstData.cst_type,
+            label: labelCstType(cstData.cst_type)
+          }}
           onChange={data => updateData({cst_type: data?.value ?? CstType.BASE})}
         />
         <div>
-        <TextInput id='alias' label='Имя'
-          dense
+        <TextInput id='alias' label='Имя' dense
           dimensions='w-[7rem]'
           value={cstData.alias}
           onChange={event => updateData({alias: event.target.value})}
diff --git a/rsconcept/frontend/src/dialogs/DlgShowAST.tsx b/rsconcept/frontend/src/dialogs/DlgShowAST.tsx
index 26ba059e..9447faef 100644
--- a/rsconcept/frontend/src/dialogs/DlgShowAST.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgShowAST.tsx
@@ -59,16 +59,22 @@ function DlgShowAST({ hideWindow, syntaxTree, expression }: DlgShowASTProps) {
     >
       <div className='flex flex-col items-start gap-2'>
         <div className='w-full text-lg text-center'>
-          {!hoverNode && expression}
-          {hoverNode &&
+          {!hoverNode ? expression : null}
+          {hoverNode ?
           <div>
             <span>{expression.slice(0, hoverNode.start)}</span>
             <span className='clr-selected'>{expression.slice(hoverNode.start, hoverNode.finish)}</span>
             <span>{expression.slice(hoverNode.finish)}</span>
-          </div>}
+          </div> : null}
         </div>
         <div className='flex-wrap w-full h-full overflow-auto'>
-        <div className='relative' style={{width: 'calc(100vw - 6rem - 2px)', height: 'calc(100vh - 14rem - 2px)'}}>
+        <div 
+          className='relative'
+          style={{
+            width: 'calc(100vw - 6rem - 2px)',
+            height: 'calc(100vh - 14rem - 2px)'
+          }}
+        >
           <GraphCanvas
             nodes={nodes}
             edges={edges}
diff --git a/rsconcept/frontend/src/dialogs/DlgUploadRSForm.tsx b/rsconcept/frontend/src/dialogs/DlgUploadRSForm.tsx
index dd19f1dd..6aa42e1d 100644
--- a/rsconcept/frontend/src/dialogs/DlgUploadRSForm.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgUploadRSForm.tsx
@@ -38,28 +38,27 @@ function DlgUploadRSForm({ hideWindow }: DlgUploadRSFormProps) {
   }
 
   return (
-    <Modal
-      title='Импорт схемы из Экстеора'
-      hideWindow={hideWindow}
-      canSubmit={!!file}
-      onSubmit={handleSubmit}
-      submitText='Загрузить'
-    >
-      <div className='flex flex-col items-start min-w-[20rem] max-w-[20rem]'>
-        <FileInput
-          label='Выбрать файл'
-          acceptType={EXTEOR_TRS_FILE}
-          onChange={handleFile}
-        />
-        <Checkbox
-          label='Загружать название и комментарий'
-          value={loadMetadata}
-          setValue={value => setLoadMetadata(value)}
-          dimensions='w-fit pb-2'
-        />
-      </div>
-    </Modal>
-  );
+  <Modal
+    title='Импорт схемы из Экстеора'
+    hideWindow={hideWindow}
+    canSubmit={!!file}
+    onSubmit={handleSubmit}
+    submitText='Загрузить'
+  >
+    <div className='flex flex-col items-start min-w-[20rem] max-w-[20rem]'>
+      <FileInput
+        label='Выбрать файл'
+        acceptType={EXTEOR_TRS_FILE}
+        onChange={handleFile}
+      />
+      <Checkbox
+        label='Загружать название и комментарий'
+        dimensions='w-fit pb-2'
+        value={loadMetadata}
+        setValue={value => setLoadMetadata(value)}
+      />
+    </div>
+  </Modal>);
 }
 
 export default DlgUploadRSForm;
diff --git a/rsconcept/frontend/src/pages/CreateRSFormPage.tsx b/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
index f53c1a7b..0e0e823d 100644
--- a/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
+++ b/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
@@ -85,9 +85,7 @@ function CreateRSFormPage() {
   >
     <div className='relative w-full'>
     <div className='absolute top-[-2.4rem] right-[-1rem] flex'>
-      <input
-        type='file'
-        ref={inputRef}
+      <input ref={inputRef} type='file'
         style={{ display: 'none' }}
         accept={EXTEOR_TRS_FILE}
         onChange={handleFileChange}
@@ -100,26 +98,29 @@ function CreateRSFormPage() {
     </div>
     </div>
     <div className='flex flex-col gap-3'>
-      { fileName && <Label text={`Загружен файл: ${fileName}`} />}
-      <TextInput id='title' label='Полное название' type='text'
-        required={!file}
+      {fileName ? <Label text={`Загружен файл: ${fileName}`} /> : null}
+      <TextInput
+        label='Полное название'
         placeholder={file && 'Загрузить из файла'}
+        required={!file}
         value={title}
         onChange={event => setTitle(event.target.value)}
       />
-      <TextInput id='alias' label='Сокращение' type='text'
-        dense
+      <TextInput dense
+        label='Сокращение' 
+        placeholder={file && 'Загрузить из файла'}
         required={!file}
         value={alias}
-        placeholder={file && 'Загрузить из файла'}
         onChange={event => setAlias(event.target.value)}
       />
-      <TextArea id='comment' label='Комментарий'
-        value={comment}
+      <TextArea
+        label='Комментарий'
         placeholder={file && 'Загрузить из файла'}
+        value={comment}
         onChange={event => setComment(event.target.value)}
       />
-      <Checkbox id='common' label='Общедоступная схема'
+      <Checkbox 
+        label='Общедоступная схема'
         value={common}
         setValue={value => setCommon(value ?? false)}
       />
@@ -129,13 +130,13 @@ function CreateRSFormPage() {
           loading={processing}
           dimensions='min-w-[10rem]'
         />
-        <Button 
+        <Button
           text='Отмена'
-          onClick={() => handleCancel()}
           dimensions='min-w-[10rem]'
+          onClick={() => handleCancel()}
         />
       </div>
-      { error && <BackendError error={error} />}
+      {error ? <BackendError error={error} /> : null}
     </div>
   </Form>
   </div>
diff --git a/rsconcept/frontend/src/pages/HomePage.tsx b/rsconcept/frontend/src/pages/HomePage.tsx
index 98ba32f0..f05f39e3 100644
--- a/rsconcept/frontend/src/pages/HomePage.tsx
+++ b/rsconcept/frontend/src/pages/HomePage.tsx
@@ -21,10 +21,12 @@ function HomePage() {
   }, [navigateTo, user])
 
   return (
-    <div className='flex flex-col items-center justify-center w-full px-4 py-2'>
-      { user?.is_staff && <p>Лендинг находится в разработке. Данная страница видна только пользователям с правами администратора.</p> }
-    </div>
-  );
+  <div className='flex flex-col items-center justify-center w-full px-4 py-2'>
+    {user?.is_staff ?
+    <p>
+      Лендинг находится в разработке. Данная страница видна только пользователям с правами администратора.
+    </p>: null}
+  </div>);
 }
 
 export default HomePage;
diff --git a/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx b/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
index 202ea8e6..bf8e16bf 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
@@ -38,28 +38,26 @@ function LibraryPage() {
   }, [])
 
   return (
-    <div className='w-full'>
-      { library.loading && <ConceptLoader /> }
-      { library.error && <BackendError error={library.error} />}
-      { !library.loading && library.items && 
-      <div className='flex flex-col w-full'>
-        <SearchPanel
-          query={query}
-          setQuery={setQuery}
-          strategy={strategy}
-          setStrategy={setStrategy}
-          total={library.items.length ?? 0}
-          filtered={items.length}
-          setFilter={setFilter}
-        />
-        <ViewLibrary
-          resetQuery={resetQuery}
-          items={items} 
-        />
-      </div>
-      }
-    </div>
-  );
+  <>
+    {library.loading ? <ConceptLoader/> : null}
+    {library.error ? <BackendError error={library.error}/> : null}
+    {(!library.loading && library.items) ? 
+    <div className='flex flex-col w-full'>
+      <SearchPanel
+        query={query}
+        setQuery={setQuery}
+        strategy={strategy}
+        setStrategy={setStrategy}
+        total={library.items.length ?? 0}
+        filtered={items.length}
+        setFilter={setFilter}
+      />
+      <ViewLibrary
+        resetQuery={resetQuery}
+        items={items} 
+      />
+    </div> : null}
+  </>);
 }
 
 export default LibraryPage;
diff --git a/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx b/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx
index c71fbcf5..eed9ec3b 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx
@@ -39,18 +39,16 @@ function PickerStrategy({ value, onChange }: PickerStrategyProps) {
 
   return (
   <div ref={strategyMenu.ref} className='h-full text-right'>
-    <SelectorButton 
+    <SelectorButton transparent tabIndex={-1}
       tooltip='Список фильтров'
       dimensions='w-fit h-full'
-      transparent
       icon={<FilterIcon size={5} />}
       text={labelLibraryFilter(value)}
-      tabIndex={-1}
       onClick={strategyMenu.toggle}
     />
-    { strategyMenu.isActive &&
+    {strategyMenu.isActive ?
     <Dropdown>
-      { Object.values(LibraryFilterStrategy).map(
+      {Object.values(LibraryFilterStrategy).map(
       (enumValue, index) => {
         const strategy = enumValue as LibraryFilterStrategy;
         return (
@@ -63,7 +61,7 @@ function PickerStrategy({ value, onChange }: PickerStrategyProps) {
           disabled={isStrategyDisabled(strategy)}
         />);
       })}
-    </Dropdown>}
+    </Dropdown> : null}
   </div>
   );
 }
diff --git a/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx b/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
index 7e065f45..3c9f8b52 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
@@ -69,33 +69,31 @@ function SearchPanel({ total, filtered, query, setQuery, strategy, setStrategy,
   }, [strategy, navigateTo]);
 
   return (
-    <div className='sticky top-0 left-0 right-0 flex items-stretch justify-start w-full border-b clr-input max-h-[2.3rem] pr-40'>
-      <div className='px-2 py-1 select-none whitespace-nowrap min-w-[10rem]'>
-        Фильтр
-        <span className='ml-2'>
-          {filtered} из {total}
-        </span>
-      </div>
-      <div className='flex items-center justify-center w-full gap-1'>
-        <div className='relative min-w-[10rem] select-none'>
-          <div className='absolute inset-y-0 left-0 flex items-center pl-3 pointer-events-none text-controls'>
-            <MagnifyingGlassIcon />
-          </div>
-          <input
-            type='text'
-            value={query}
-            className='w-full p-2 pl-10 text-sm outline-none clr-input'
-            placeholder='Поиск'
-            onChange={handleChangeQuery}
-          />
+  <div className='sticky top-0 left-0 right-0 flex items-stretch justify-start w-full border-b clr-input max-h-[2.3rem] pr-40'>
+    <div className='px-2 py-1 select-none whitespace-nowrap min-w-[10rem]'>
+      Фильтр
+      <span className='ml-2'>
+        {filtered} из {total}
+      </span>
+    </div>
+    <div className='flex items-center justify-center w-full gap-1'>
+      <div className='relative min-w-[10rem] select-none'>
+        <div className='absolute inset-y-0 left-0 flex items-center pl-3 pointer-events-none text-controls'>
+          <MagnifyingGlassIcon />
         </div>
-        <PickerStrategy
-          value={strategy}
-          onChange={handleChangeStrategy}
+        <input
+          placeholder='Поиск'
+          value={query}
+          className='w-full p-2 pl-10 text-sm outline-none clr-input'
+          onChange={handleChangeQuery}
         />
       </div>
+      <PickerStrategy
+        value={strategy}
+        onChange={handleChangeStrategy}
+      />
     </div>
-  );
+  </div>);
 }
 
 export default SearchPanel;
diff --git a/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx b/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
index dc5ae1d5..47e6077f 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
@@ -45,9 +45,18 @@ function ViewLibrary({ items, resetQuery: cleanQuery }: ViewLibraryProps) {
             className='flex items-center justify-start gap-1 min-w-[2.75rem]'
             id={`${prefixes.library_list}${item.id}`}
           >
-            {user && user.subscriptions.includes(item.id) && <p title='Отслеживаемая'><SubscribedIcon size={3}/></p>}
-            {item.is_common && <p title='Общедоступная'><GroupIcon size={3}/></p>}
-            {item.is_canonical && <p title='Неизменная'><EducationIcon size={3}/></p>}
+            {(user && user.subscriptions.includes(item.id)) ?
+            <p title='Отслеживаемая'>
+              <SubscribedIcon size={3}/>
+            </p> : null}
+            {item.is_common ?
+            <p title='Общедоступная'>
+              <GroupIcon size={3}/>
+            </p> : null}
+            {item.is_canonical ?
+            <p title='Неизменная'>
+              <EducationIcon size={3}/>
+            </p> : null}
           </div>
         </>);
       },
@@ -94,51 +103,50 @@ function ViewLibrary({ items, resetQuery: cleanQuery }: ViewLibraryProps) {
   ], [intl, getUserLabel, user]);
   
   return (
-    <div>
-      {items.length > 0 &&
-      <div className='sticky top-[2.3rem] w-full'>
-      <div className='absolute top-[-0.125rem] left-0 flex gap-1 ml-3 z-pop'>
-        <div id='library-help' className='py-2 '>
-          <HelpIcon color='text-primary' size={5} />
-        </div>
-        <ConceptTooltip anchorSelect='#library-help'>
-          <div className='max-w-[35rem]'>
-            <HelpLibrary />
-          </div>
-        </ConceptTooltip>
+  <>
+    {items.length !== 0 ?
+    <div className='sticky top-[2.3rem] w-full'>
+    <div className='absolute top-[-0.125rem] left-0 flex gap-1 ml-3 z-pop'>
+      <div id='library-help' className='py-2 '>
+        <HelpIcon color='text-primary' size={5} />
       </div>
-      </div>}
-      <DataTable
-        columns={columns}
-        data={items}
-
-        headPosition='2.3rem'
-        noDataComponent={
-        <div className='flex flex-col gap-4 justify-center p-2 text-center min-h-[6rem]'>
-          <p>Список схем пуст</p>
-          <p className='flex justify-center gap-4'>
-            <TextURL text='Создать схему' href='/rsform-create'/>
-            <span className='cursor-pointer hover:underline text-url' onClick={cleanQuery}>
-              Очистить фильтр
-            </span>
-          </p>
-        </div>}
-        
-        onRowClicked={openRSForm}
-
-        enableSorting
-        initialSorting={{
-          id: 'time_update',
-          desc: true
-        }}
-
-        enablePagination
-        paginationPerPage={itemsPerPage}
-        onChangePaginationOption={setItemsPerPage}
-        paginationOptions={[10, 20, 30, 50, 100]}
-      />
+      <ConceptTooltip anchorSelect='#library-help'>
+        <div className='max-w-[35rem]'>
+          <HelpLibrary />
+        </div>
+      </ConceptTooltip>
     </div>
-  );
+    </div> : null}
+    <DataTable
+      columns={columns}
+      data={items}
+
+      headPosition='2.3rem'
+      noDataComponent={
+      <div className='flex flex-col gap-4 justify-center p-2 text-center min-h-[6rem]'>
+        <p>Список схем пуст</p>
+        <p className='flex justify-center gap-4'>
+          <TextURL text='Создать схему' href='/rsform-create'/>
+          <span className='cursor-pointer hover:underline text-url' onClick={cleanQuery}>
+            Очистить фильтр
+          </span>
+        </p>
+      </div>}
+      
+      onRowClicked={openRSForm}
+
+      enableSorting
+      initialSorting={{
+        id: 'time_update',
+        desc: true
+      }}
+
+      enablePagination
+      paginationPerPage={itemsPerPage}
+      onChangePaginationOption={setItemsPerPage}
+      paginationOptions={[10, 20, 30, 50, 100]}
+    />
+  </>);
 }
 
 export default ViewLibrary;
diff --git a/rsconcept/frontend/src/pages/LoginPage.tsx b/rsconcept/frontend/src/pages/LoginPage.tsx
index d5283af9..ee95b91e 100644
--- a/rsconcept/frontend/src/pages/LoginPage.tsx
+++ b/rsconcept/frontend/src/pages/LoginPage.tsx
@@ -66,66 +66,62 @@ function LoginPage() {
   }
 
   return (
-    <div className='flex items-start justify-center w-full pt-8 select-none' style={{minHeight: mainHeight}}>
-    { user &&
-    <div className='flex flex-col items-center gap-2'>
-      <p className='font-semibold'>{`Вы вошли в систему как ${user.username}`}</p>
-      <p>
-        <TextURL text='Создать схему' href='/rsform-create'/>
-        <span> | </span>
-        <TextURL text='Библиотека' href='/library'/>
-        <span> | </span>
-        <TextURL text='Справка' href='/manuals'/>
-        <span> | </span>
-        <span
-          className='cursor-pointer hover:underline text-url'
-          onClick={logoutAndRedirect}
-        >
-          Выйти
-        </span>
-      </p>
-    </div>}
-    { !user &&
-    <Form
-      onSubmit={handleSubmit}
-      dimensions='w-[24rem]'
-    >
-      <img alt='Концепт Портал'
-        src='/logo_full.svg'
-        className='max-h-[2.5rem] min-w-[2.5rem] mt-2 mb-4'
-      />
-      <TextInput id='username' type='text'
-        label='Имя пользователя'
-        required
-        allowEnter
-        value={username}
-        autoFocus
-        onChange={event => setUsername(event.target.value)}
-      />
-      <TextInput id='password' type='password'
-        label='Пароль'
-        required
-        allowEnter
-        value={password}
-        onChange={event => setPassword(event.target.value)}
-      />
+  <div
+    className='flex items-start justify-center w-full pt-8 select-none'
+    style={{minHeight: mainHeight}}
+  >
+  {user ?
+  <div className='flex flex-col items-center gap-2'>
+    <p className='font-semibold'>{`Вы вошли в систему как ${user.username}`}</p>
+    <p>
+      <TextURL text='Создать схему' href='/rsform-create'/>
+      <span> | </span>
+      <TextURL text='Библиотека' href='/library'/>
+      <span> | </span>
+      <TextURL text='Справка' href='/manuals'/>
+      <span> | </span>
+      <span
+        className='cursor-pointer hover:underline text-url'
+        onClick={logoutAndRedirect}
+      >
+        Выйти
+      </span>
+    </p>
+  </div> : null}
+  {!user ?
+  <Form
+    onSubmit={handleSubmit}
+    dimensions='w-[24rem]'
+  >
+    <img alt='Концепт Портал'
+      src='/logo_full.svg'
+      className='max-h-[2.5rem] min-w-[2.5rem] mt-2 mb-4'
+    />
+    <TextInput id='username' autoFocus required allowEnter
+      label='Имя пользователя'
+      value={username}
+      onChange={event => setUsername(event.target.value)}
+    />
+    <TextInput id='password' type='password' required allowEnter
+      label='Пароль'
+      value={password}
+      onChange={event => setPassword(event.target.value)}
+    />
 
-      <div className='flex justify-center w-full py-2'>
-        <SubmitButton
-          text='Войти'
-          dimensions='w-[12rem]'
-          loading={loading}
-        />
-      </div>
-      <div className='flex flex-col text-sm'>
-        <TextURL text='Восстановить пароль...' href='/restore-password' />
-        <TextURL text='Нет аккаунта? Зарегистрируйтесь...' href='/signup' />
-      </div>
-      { error && <ProcessError error={error} />}
-    </Form>
-    }
-  </div>
-  );
+    <div className='flex justify-center w-full py-2'>
+      <SubmitButton
+        text='Войти'
+        dimensions='w-[12rem]'
+        loading={loading}
+      />
+    </div>
+    <div className='flex flex-col text-sm'>
+      <TextURL text='Восстановить пароль...' href='/restore-password' />
+      <TextURL text='Нет аккаунта? Зарегистрируйтесь...' href='/signup' />
+    </div>
+    {error ? <ProcessError error={error} /> : null}
+  </Form> : null}
+  </div>);
 }
 
 export default LoginPage;
diff --git a/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx b/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
index 290ca85a..84bb2999 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
@@ -34,16 +34,16 @@ function ManualsPage() {
   }, [search, setActiveTopic, navigateTopic]);
 
   return (
-    <div className='flex w-full gap-2 justify-start items-start' style={{minHeight: mainHeight}}>
-      <TopicsList 
-        activeTopic={activeTopic}
-        onChangeTopic={topic => onSelectTopic(topic)}
-      />
-      <ViewTopic 
-        topic={activeTopic}
-      />
-    </div>
-  );
+  <div
+    className='flex items-start justify-start w-full gap-2'
+    style={{minHeight: mainHeight}}
+  >
+    <TopicsList 
+      activeTopic={activeTopic}
+      onChangeTopic={topic => onSelectTopic(topic)}
+    />
+    <ViewTopic topic={activeTopic} />
+  </div>);
 }
 
 export default ManualsPage;
diff --git a/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx b/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx
index 88099a59..37fcfe17 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx
@@ -11,16 +11,17 @@ function TopicsList({ activeTopic, onChangeTopic }: TopicsListProps) {
   return (
     <div className='sticky top-0 left-0 border-x min-w-[13rem] select-none flex flex-col clr-controls small-caps h-fit'>
       <div className='my-2 text-lg text-center'>Справка</div>
-      { Object.values(HelpTopic).map(
+      {Object.values(HelpTopic).map(
       (topic, index) => {
+        const isActive = activeTopic === topic;
         return (
           <div key={`${prefixes.topic_list}${index}`}
-            className={`px-3 py-1 border-y cursor-pointer clr-hover ${activeTopic === topic ? 'clr-selected ' : ''}`}
+            className={`px-3 py-1 border-y cursor-pointer clr-hover ${isActive ? 'clr-selected ' : ''}`}
             title={describeHelpTopic(topic)}
             onClick={() => onChangeTopic(topic)}
           >
             {labelHelpTopic(topic)}
-          </div>)
+          </div>);
       })}
     </div>
   );
diff --git a/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx b/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx
index 74b3c642..78881347 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx
@@ -17,20 +17,19 @@ interface ViewTopicProps {
 
 function ViewTopic({ topic }: ViewTopicProps) {
   return (
-    <div className='w-full px-2 py-2'>
-      {topic === HelpTopic.MAIN && <HelpMain />}
-      {topic === HelpTopic.LIBRARY && <HelpLibrary />}
-      {topic === HelpTopic.RSFORM && <HelpRSFormMeta />}
-      {topic === HelpTopic.CSTLIST && <HelpRSFormItems />}
-      {topic === HelpTopic.CONSTITUENTA && <HelpConstituenta />}
-      {topic === HelpTopic.GRAPH_TERM && <HelpTermGraph />}
-      {topic === HelpTopic.RSTEMPLATES && <HelpRSTemplates />}
-      {topic === HelpTopic.RSLANG && <HelpRSLang />}
-      {topic === HelpTopic.TERM_CONTROL && <HelpTerminologyControl />}
-      {topic === HelpTopic.EXTEOR && <HelpExteor />}
-      {topic === HelpTopic.API && <HelpAPI />}
-    </div>
-  );
+  <div className='w-full px-2 py-2'>
+    {topic === HelpTopic.MAIN ? <HelpMain /> : null}
+    {topic === HelpTopic.LIBRARY ? <HelpLibrary /> : null}
+    {topic === HelpTopic.RSFORM ? <HelpRSFormMeta /> : null}
+    {topic === HelpTopic.CSTLIST ? <HelpRSFormItems /> : null}
+    {topic === HelpTopic.CONSTITUENTA ? <HelpConstituenta /> : null}
+    {topic === HelpTopic.GRAPH_TERM ? <HelpTermGraph /> : null}
+    {topic === HelpTopic.RSTEMPLATES ? <HelpRSTemplates /> : null}
+    {topic === HelpTopic.RSLANG ? <HelpRSLang /> : null}
+    {topic === HelpTopic.TERM_CONTROL ? <HelpTerminologyControl /> : null}
+    {topic === HelpTopic.EXTEOR ? <HelpExteor /> : null}
+    {topic === HelpTopic.API ? <HelpAPI /> : null}
+  </div>);
 }
 
 export default ViewTopic;
diff --git a/rsconcept/frontend/src/pages/NotFoundPage.tsx b/rsconcept/frontend/src/pages/NotFoundPage.tsx
index a50c5ba0..4d851a1d 100644
--- a/rsconcept/frontend/src/pages/NotFoundPage.tsx
+++ b/rsconcept/frontend/src/pages/NotFoundPage.tsx
@@ -2,12 +2,11 @@ import TextURL from '../components/common/TextURL';
 
 export function NotFoundPage() {
   return (
-    <div className='flex flex-col px-4 py-2'>
-      <h1 className='text-xl font-semibold'>Ошибка 404 - Страница не найдена</h1>
-      <p className='mt-2'>Данная страница не существует или запрашиваемый объект отсутствует в базе данных</p>
-      <TextURL href='/' text='Вернуться на Портал' />
-    </div>
-  );
+  <div className='flex flex-col px-4 py-2'>
+    <h1 className='text-xl font-semibold'>Ошибка 404 - Страница не найдена</h1>
+    <p className='mt-2'>Данная страница не существует или запрашиваемый объект отсутствует в базе данных</p>
+    <TextURL href='/' text='Вернуться на Портал' />
+  </div>);
 }
 
 export default NotFoundPage;
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
index 8c297473..81456162 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
@@ -161,8 +161,14 @@ function EditorConstituenta({
   }
 
   return (
-  <div className='flex max-w-[1500px]' tabIndex={-1} onKeyDown={handleInput}>
-    <form onSubmit={handleSubmit} className='min-w-[47.8rem] max-w-[47.8rem] px-4 py-1'>
+  <div tabIndex={-1}
+    className='flex max-w-[1500px]'
+    onKeyDown={handleInput}
+  >
+    <form 
+      onSubmit={handleSubmit}
+      className='min-w-[47.8rem] max-w-[47.8rem] px-4 py-1'
+    >
       <div className='relative w-full'>
       <div className='absolute top-0 right-0 flex items-start justify-between w-full'>
         {activeCst && 
@@ -179,10 +185,9 @@ function EditorConstituenta({
             <span className='small-caps'>Конституента </span>
             <span className='ml-1 small-caps'>{alias}</span>
           </div>
-          <MiniButton
+          <MiniButton noHover
             tooltip='Переименовать конституенту'
             disabled={!isEnabled}
-            noHover
             onClick={handleRename}
             icon={<EditIcon size={4} color={isEnabled ? 'text-primary' : ''} />}
           />
@@ -228,7 +233,8 @@ function EditorConstituenta({
       </div>
       </div>
       <div className='flex flex-col gap-3 mt-1'>
-        <RefsInput id='term' label='Термин'
+        <RefsInput 
+          label='Термин'
           placeholder='Обозначение, используемое в текстовых определениях данной схемы'
           items={schema?.items}
           value={term}
@@ -237,8 +243,8 @@ function EditorConstituenta({
           disabled={!isEnabled}
           onChange={newValue => setTerm(newValue)}
         />
-        <TextArea id='typification' label='Типизация'
-          dense noBorder
+        <TextArea dense noBorder
+          label='Типизация'
           rows={typification.length > 70 ? 2 : 1}
           value={typification}
           colors='clr-app'
@@ -248,7 +254,8 @@ function EditorConstituenta({
           }}
           disabled
         />
-        <EditorRSExpression id='expression' label='Формальное определение'
+        <EditorRSExpression
+          label='Формальное определение'
           activeCst={activeCst}
           placeholder='Родоструктурное выражение, задающее формальное определение'
           value={expression}
@@ -258,7 +265,8 @@ function EditorConstituenta({
           onChange={newValue => setExpression(newValue)}
           setTypification={setTypification}
         />
-        <RefsInput id='definition' label='Текстовое определение'
+        <RefsInput 
+          label='Текстовое определение'
           placeholder='Лингвистическая интерпретация формального выражения'
           items={schema?.items}
           value={textDefinition}
@@ -267,11 +275,11 @@ function EditorConstituenta({
           disabled={!isEnabled}
           onChange={newValue => setTextDefinition(newValue)}
         />
-        <TextArea id='convention' label='Конвенция / Комментарий'
+        <TextArea spellCheck
+          label='Конвенция / Комментарий'
           placeholder='Договоренность об интерпретации или пояснение'
           value={convention}
           disabled={!isEnabled}
-          spellCheck
           onChange={event => setConvention(event.target.value)}
         />
         <div className='flex justify-center w-full'>
@@ -283,7 +291,7 @@ function EditorConstituenta({
         </div>
       </div>
     </form>
-    {(windowSize.width ?? 0) >= SIDELIST_HIDE_THRESHOLD &&
+    {(windowSize.width ?? 0) >= SIDELIST_HIDE_THRESHOLD ?
     <div className='w-full mt-[2.25rem] border h-fit'>
       <ViewSideConstituents
         expression={expression}
@@ -291,7 +299,7 @@ function EditorConstituenta({
         activeID={activeID}
         onOpenEdit={onOpenEdit}
       />
-    </div>}
+    </div> : null}
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx
index 94c54b09..786dcd70 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorItems.tsx
@@ -290,10 +290,9 @@ function EditorItems({ onOpenEdit, onCreateCst, onDeleteCst, onTemplates }: Edit
   ], [colors]);
 
   return (
-  <div
+  <div tabIndex={-1}
     className='w-full outline-none'
     style={{minHeight: mainHeight}}
-    tabIndex={-1}
     onKeyDown={handleTableKey}
   >
     <div className='sticky top-0 flex justify-start w-full gap-1 px-2 py-1 border-b items-center h-[2.2rem] select-none clr-app'>
@@ -313,11 +312,10 @@ function EditorItems({ onOpenEdit, onCreateCst, onDeleteCst, onTemplates }: Edit
     </div>
     
     <div className='w-full h-full text-sm'>
-    <DataTable
+    <DataTable dense noFooter
       data={schema?.items ?? []}
       columns={columns}
       headPosition='2.2rem'
-      dense
 
       onRowDoubleClicked={handleRowDoubleClicked}
       onRowClicked={handleRowClicked}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
index 9116f3ac..1a9d67d0 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
@@ -20,7 +20,7 @@ import RSEditorControls from './elements/RSEditorControls';
 import StatusBar from './elements/StatusBar';
 
 interface EditorRSExpressionProps {
-  id: string
+  id?: string
   activeCst?: IConstituenta
   label: string
   disabled?: boolean
@@ -141,12 +141,11 @@ function EditorRSExpression({
     />
     <div className='w-full max-h-[4.5rem] min-h-[4.5rem] flex'>
       <div className='flex flex-col text-sm'>
-        <Button
-          tooltip='Проверить формальное определение'
+        <Button noOutline
           text='Проверить'
+          tooltip='Проверить формальное определение'
           dimensions='w-[6.75rem] min-h-[3rem] z-pop rounded-none'
           colors='clr-btn-default'
-          noOutline
           onClick={() => handleCheckExpression()}
         />
         <StatusBar
@@ -156,19 +155,18 @@ function EditorRSExpression({
         />
       </div>
       <div className='w-full overflow-y-auto text-sm border rounded-none'>
-        { loading && <ConceptLoader size={6} />}
-        { !loading && parseData && 
+        {loading ? <ConceptLoader size={6} /> : null}
+        {(!loading && parseData) ? 
         <ParsingResult
           data={parseData}
           disabled={disabled}
           onShowError={onShowError}
-        />}
-        { !loading && !parseData &&
-        <input
-          disabled={true}
+        /> : null}
+        {(!loading && !parseData) ?
+        <input disabled
           className='w-full px-2 py-1 text-base select-none h-fit clr-app'
           placeholder='Результаты проверки выражения'
-        />}
+        /> : null}
       </div>
     </div>
   </div>);
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm.tsx
index 2f5e9496..e2782cfb 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm.tsx
@@ -205,7 +205,9 @@ function EditorRSForm({ onDestroy, onClaim, onShare, isModified, setIsModified,
           </div>
         </div>
       </form>
-      {schema && <Divider vertical />}
+
+      <Divider vertical />
+      
       <RSFormStats stats={schema?.stats}/>
     </div>
   </div>);
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx
index 68ed9653..81277775 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph.tsx
@@ -471,7 +471,10 @@ function EditorTermGraph({ onOpenEdit, onCreateCst, onDeleteCst }: EditorTermGra
     </div>
     </div>
 
-    <div className='w-full h-full overflow-auto outline-none' tabIndex={-1} onKeyDown={handleKeyDown}>
+    <div tabIndex={-1}
+      className='w-full h-full overflow-auto outline-none' 
+      onKeyDown={handleKeyDown}
+    >
     <div 
       className='relative'
       style={{width: canvasWidth, height: canvasHeight}}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
index 058eb520..18071bdb 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
@@ -335,54 +335,54 @@ function RSTabs() {
 
   return (
   <div className='w-full'>
-    { loading && <ConceptLoader /> }
-    { error && <ProcessError error={error} />}
-    { schema && !loading && <>
-    {showUpload && 
+    {loading ? <ConceptLoader /> : null}
+    {error ? <ProcessError error={error} /> : null}
+    {(schema && !loading) ? <>
+    {showUpload ? 
     <DlgUploadRSForm
       hideWindow={() => setShowUpload(false)}
-    />}
-    {showClone &&
+    /> : null}
+    {showClone ?
     <DlgCloneRSForm
       hideWindow={() => setShowClone(false)}
-    />}
-    {showAST && 
+    /> : null}
+    {showAST ? 
     <DlgShowAST
       expression={expression}
       syntaxTree={syntaxTree}
       hideWindow={() => setShowAST(false)}
-    />}
-    {showCreateCst && 
+    /> : null}
+    {showCreateCst ? 
     <DlgCreateCst
       hideWindow={() => setShowCreateCst(false)}
       onCreate={handleCreateCst}
       schema={schema}
       initial={createInitialData}
-    />}
-    {showRenameCst && 
+    /> : null}
+    {showRenameCst ? 
     <DlgRenameCst
       hideWindow={() => setShowRenameCst(false)}
       onRename={handleRenameCst}
       initial={renameInitialData!}
-    />}
-    {showDeleteCst && 
+    /> : null}
+    {showDeleteCst ? 
     <DlgDeleteCst
       hideWindow={() => setShowDeleteCst(false)}
       onDelete={handleDeleteCst}
       selected={toBeDeleted}
-    />}
-    {showEditTerm &&
+    /> : null}
+    {showEditTerm ?
     <DlgEditWordForms
       hideWindow={() => setShowEditTerm(false)}
       onSave={handleSaveWordforms}
       target={activeCst!}
-    />}
-    {showTemplates && 
+    /> : null}
+    {showTemplates ? 
     <DlgConstituentaTemplate
       schema={schema}
       hideWindow={() => setShowTemplates(false)}
       onCreate={handleCreateCst}
-    />}
+    /> : null}
     <Tabs
       selectedIndex={activeTab}
       onSelect={onSelectTab}
@@ -465,7 +465,7 @@ function RSTabs() {
         </TabPanel>
       </div>
     </Tabs>
-    </>}
+    </> : null}
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/ParsingResult.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/ParsingResult.tsx
index 5e0dbf53..7d375f02 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/ParsingResult.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/ParsingResult.tsx
@@ -13,22 +13,23 @@ function ParsingResult({ data, disabled, onShowError }: ParsingResultProps) {
   const warningsCount = data.errors.length - errorCount;
 
   return (
-    <div className='px-2 py-1'>
-      <p>Ошибок: <b>{errorCount}</b> | Предупреждений: <b>{warningsCount}</b></p>
-      {data.errors.map((error, index) => {
-        return (
-        <p
-          key={`error-${index}`}
-          className={`text-warning ${disabled ? '' : 'cursor-pointer'}`}
-          onClick={disabled ? undefined : () => onShowError(error)}
-        >
-          <span className='mr-1 font-semibold underline'>{error.isCritical ? 'Ошибка' : 'Предупреждение'} {getRSErrorPrefix(error)}:</span>
-          <span> {describeRSError(error)}</span>
-        </p>
-        );
-      })}
-    </div>
-  )
+  <div className='px-2 py-1'>
+    <p>Ошибок: <b>{errorCount}</b> | Предупреждений: <b>{warningsCount}</b></p>
+    {data.errors.map(
+    (error, index) => {
+      return (
+      <p
+        key={`error-${index}`}
+        className={`text-warning ${disabled ? '' : 'cursor-pointer'}`}
+        onClick={disabled ? undefined : () => onShowError(error)}
+      >
+        <span className='mr-1 font-semibold underline'>
+          {error.isCritical ? 'Ошибка' : 'Предупреждение'} {`${getRSErrorPrefix(error)}:`}
+        </span>
+        <span>{` ${describeRSError(error)}`}</span>
+      </p>);
+    })}
+  </div>);
 }
 
 export default ParsingResult;
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/RSFormStats.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/RSFormStats.tsx
index 3e092ce3..9f5fda37 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/RSFormStats.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/RSFormStats.tsx
@@ -11,81 +11,84 @@ function RSFormStats({ stats }: RSFormStatsProps) {
     return null;
   }
   return (
-    <div className='flex flex-col gap-1 px-4 py-2 mt-7 min-w-[16rem]'>
-      <LabeledText id='count_all'
-        label='Всего конституент '
-        text={stats.count_all}
-      />
-      <LabeledText id='count_errors'
-        label='Ошибок '
-        text={stats.count_errors}
-      />
-      { stats.count_property > 0 &&
-      <LabeledText id='count_property'
-        label='Только свойство '
-        text={stats.count_property}
-      />}
-      { stats.count_incalc > 0 &&
-      <LabeledText id='count_incalc'
-        label='Невычислимы '
-        text={stats.count_incalc}
-      />}
-      <Divider margins='my-2' />
-      <LabeledText id='count_termin'
-        label='Термины '
-        text={stats.count_termin}
-      />
-      <LabeledText id='count_definition'
-        label='Определения '
-        text={stats.count_definition}
-      />
-      <LabeledText id='count_convention'
-        label='Конвенции '
-        text={stats.count_convention}
-      />
-      <Divider margins='my-2' />
-      { stats.count_base > 0 &&
-      <LabeledText id='count_base'
-        label='Базисные множества '
-        text={stats.count_base}
-      />}
-      { stats.count_constant > 0 &&
-      <LabeledText id='count_constant'
-        label='Константные множества '
-        text={stats.count_constant}
-      />}
-      { stats.count_structured > 0 &&
-      <LabeledText id='count_structured'
-        label='Родовые структуры '
-        text={stats.count_structured}
-      />}
-      { stats.count_axiom > 0 &&
-      <LabeledText id='count_axiom'
-        label='Аксиомы '
-        text={stats.count_axiom}
-      />}
-      { stats.count_term > 0 &&
-      <LabeledText id='count_term'
-        label='Термы '
-        text={stats.count_term}
-      />}
-      { stats.count_function > 0 &&
-      <LabeledText id='count_function'
-        label='Терм-функции '
-        text={stats.count_function}
-      />}
-      { stats.count_predicate > 0 &&
-      <LabeledText id='count_predicate'
-        label='Предикат-функции '
-        text={stats.count_predicate}
-      />}
-      { stats.count_theorem > 0 &&
-      <LabeledText id='count_theorem'
-        label='Теоремы '
-        text={stats.count_theorem}
-      />}
-    </div>
-  );
+  <div className='flex flex-col gap-1 px-4 py-2 mt-7 min-w-[16rem]'>
+    <LabeledText id='count_all'
+      label='Всего конституент '
+      text={stats.count_all}
+    />
+    <LabeledText id='count_errors'
+      label='Некорректных'
+      text={stats.count_errors}
+    />
+    {stats.count_property !== 0 ?
+    <LabeledText id='count_property'
+      label='Неразмерных'
+      text={stats.count_property}
+    /> : null}
+    {stats.count_incalc !== 0 ? 
+    <LabeledText id='count_incalc'
+      label='Невычислимых'
+      text={stats.count_incalc}
+    /> : null}
+
+    <Divider margins='my-2' />
+
+    <LabeledText id='count_termin'
+      label='Термины'
+      text={stats.count_termin}
+    />
+    <LabeledText id='count_definition'
+      label='Определения'
+      text={stats.count_definition}
+    />
+    <LabeledText id='count_convention'
+      label='Конвенции'
+      text={stats.count_convention}
+    />
+
+    <Divider margins='my-2' />
+
+    {stats.count_base !== 0 ? 
+    <LabeledText id='count_base'
+      label='Базисные множества '
+      text={stats.count_base}
+    /> : null}
+    { stats.count_constant !== 0 ? 
+    <LabeledText id='count_constant'
+      label='Константные множества '
+      text={stats.count_constant}
+    /> : null}
+    {stats.count_structured !== 0 ? 
+    <LabeledText id='count_structured'
+      label='Родовые структуры '
+      text={stats.count_structured}
+    /> : null}
+    {stats.count_axiom !== 0 ? 
+    <LabeledText id='count_axiom'
+      label='Аксиомы '
+      text={stats.count_axiom}
+    /> : null}
+    {stats.count_term !== 0 ? 
+    <LabeledText id='count_term'
+      label='Термы '
+      text={stats.count_term}
+    /> : null}
+    {stats.count_function !== 0 ? 
+    <LabeledText id='count_function'
+      label='Терм-функции '
+      text={stats.count_function}
+    /> : null}
+    {stats.count_predicate !== 0 ? 
+    <LabeledText id='count_predicate'
+      label='Предикат-функции '
+      text={stats.count_predicate}
+    /> : null}
+    {stats.count_theorem !== 0 ? 
+    <LabeledText id='count_theorem'
+      label='Теоремы '
+      text={stats.count_theorem}
+    /> : null}
+  </div>);
 }
 
 export default RSFormStats;
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/RSLocalButton.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/RSLocalButton.tsx
index 1f5b3b64..9c60b29d 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/RSLocalButton.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/RSLocalButton.tsx
@@ -9,17 +9,14 @@ interface RSLocalButtonProps {
 
 function RSLocalButton({ text, tooltip, disabled, onInsert }: RSLocalButtonProps) {
   return (
-    <button
-      type='button'
-      disabled={disabled}
-      onClick={() => onInsert(TokenID.ID_LOCAL, text)}
-      title={tooltip}
-      tabIndex={-1}
-      className='w-[2rem] h-6 cursor-pointer disabled:cursor-default border rounded-none clr-hover clr-btn-clear'
-    >
-      {text}
-    </button>
-  );
+  <button type='button' tabIndex={-1}
+    disabled={disabled}
+    title={tooltip}
+    className='w-[2rem] h-6 cursor-pointer disabled:cursor-default border rounded-none clr-hover clr-btn-clear'
+    onClick={() => onInsert(TokenID.ID_LOCAL, text)}
+  >
+    {text}
+  </button>);
 }
 
 export default RSLocalButton;
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/RSTabsMenu.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/RSTabsMenu.tsx
index 6aace2e1..7a616346 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/RSTabsMenu.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/RSTabsMenu.tsx
@@ -72,17 +72,14 @@ function RSTabsMenu({
   return (    
   <div className='flex items-stretch h-full w-fit'>
     <div ref={schemaMenu.ref}>
-      <Button
+      <Button noBorder dense tabIndex={-1}
         tooltip='Действия'
         icon={<MenuIcon color='text-controls' size={5}/>}
         dimensions='h-full w-fit pl-2'
         style={{outlineColor: 'transparent'}}
-        noBorder
-        dense
         onClick={schemaMenu.toggle}
-        tabIndex={-1}
       />
-      { schemaMenu.isActive &&
+      {schemaMenu.isActive ?
       <Dropdown>
         <DropdownButton onClick={handleShare}>
           <div className='inline-flex items-center justify-start gap-2'>
@@ -120,20 +117,17 @@ function RSTabsMenu({
             <p>Создать новую схему</p>
           </span>
         </DropdownButton>
-      </Dropdown>}
+      </Dropdown> : null}
     </div>
     <div ref={editMenu.ref}>
-      <Button
+      <Button dense noBorder tabIndex={-1}
         tooltip={'измнение: ' + (isEditable ? '[доступно]' : '[запрещено]')}
         dimensions='h-full w-fit'
         style={{outlineColor: 'transparent'}}
         icon={<EditIcon size={5} color={isEditable ? 'text-success' : 'text-warning'}/>}
-        dense
-        noBorder
         onClick={editMenu.toggle}
-        tabIndex={-1}
       />
-      { editMenu.isActive &&
+      {editMenu.isActive ?
       <Dropdown>
         <DropdownButton 
           disabled={!user || !isClaimable}
@@ -141,31 +135,33 @@ function RSTabsMenu({
           tooltip={!user || !isClaimable ? 'Взять во владение можно общую изменяемую схему' : ''}
         >
           <div className='flex items-center gap-2 pl-1'>
-            <span><OwnerIcon size={5} color={isOwned ? 'text-success' : 'text-controls'} /></span>
+            <span>
+              <OwnerIcon size={5} color={isOwned ? 'text-success' : 'text-controls'} />
+            </span>
             <p>
-              { isOwned && <b>Владелец схемы</b> }
-              { !isOwned && <b>Стать владельцем</b> }
+              {isOwned ? <b>Владелец схемы</b> : null}
+              {!isOwned ? <b>Стать владельцем</b>  : null}
             </p>
           </div>
         </DropdownButton>
-        {(isOwned || user?.is_staff) &&
+        {(isOwned || user?.is_staff) ?
         <DropdownCheckbox
           value={isReadonly}
           setValue={toggleReadonly}
           label='Я — читатель!'
           tooltip='Режим чтения'
-        />}
-        {user?.is_staff &&
+        /> : null}
+        {user?.is_staff ?
         <DropdownCheckbox
           value={isForceAdmin}
           setValue={toggleForceAdmin}
           label='Я — администратор!'
           tooltip='Режим редактирования для администраторов'
-        />}
-      </Dropdown>}
+        /> : null}
+      </Dropdown>: null}
     </div>
     <div>
-      <Button
+      <Button dense noBorder tabIndex={-1}
         tooltip={'отслеживание: ' + (isTracking ? '[включено]' : '[выключено]')}
         disabled={processing}
         icon={isTracking
@@ -174,10 +170,7 @@ function RSTabsMenu({
         }
         dimensions='h-full w-fit pr-2'
         style={{outlineColor: 'transparent'}}
-        dense
-        noBorder
         onClick={onToggleSubscribe}
-        tabIndex={-1}
         />
     </div>
   </div>);
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/RSTokenButton.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/RSTokenButton.tsx
index cb659cb1..62f4be88 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/RSTokenButton.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/RSTokenButton.tsx
@@ -11,17 +11,14 @@ function RSTokenButton({ token, disabled, onInsert }: RSTokenButtonProps) {
   const label = labelToken(token);
   const width = label.length > 3 ? 'w-[4.5rem]' : 'w-[2.25rem]';
   return (
-    <button
-      type='button'
-      disabled={disabled}
-      onClick={() => onInsert(token)}
-      title={describeToken(token)}
-      tabIndex={-1}
-      className={`px-1 cursor-pointer disabled:cursor-default border rounded-none h-6 ${width} outline-none clr-hover clr-btn-clear`}
-    >
-      {label && <span className='whitespace-nowrap'>{label}</span>}
-    </button>
-  );
+  <button type='button' tabIndex={-1}
+    disabled={disabled}
+    onClick={() => onInsert(token)}
+    title={describeToken(token)}
+    className={`px-1 cursor-pointer disabled:cursor-default border rounded-none h-6 ${width} outline-none clr-hover clr-btn-clear`}
+  >
+    {label ? <span className='whitespace-nowrap'>{label}</span> : null}
+  </button>);
 }
 
 export default RSTokenButton;
diff --git a/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx b/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx
index cee24fff..e1a7fc20 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/elements/ViewSideConstituents.tsx
@@ -206,18 +206,16 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
       />
       <div className='flex'>
         <div ref={matchModeMenu.ref}>
-          <SelectorButton 
+          <SelectorButton transparent tabIndex={-1}
             tooltip='Настройка атрибутов для фильтрации'
             dimensions='w-fit h-full'
-            transparent
             icon={<FilterIcon size={5} />}
             text={labelCstMathchMode(filterMatch)}
-            tabIndex={-1}
             onClick={matchModeMenu.toggle}
           />
           { matchModeMenu.isActive &&
           <Dropdown stretchLeft>
-            { Object.values(CstMatchMode).filter(value => !isNaN(Number(value))).map(
+            {Object.values(CstMatchMode).filter(value => !isNaN(Number(value))).map(
             (value, index) => {
               const matchMode = value as CstMatchMode;
               return (
@@ -232,18 +230,16 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
         </div>
 
         <div ref={sourceMenu.ref}>
-          <SelectorButton 
+          <SelectorButton transparent tabIndex={-1}
             tooltip='Настройка фильтрации по графу термов'
             dimensions='w-fit h-full'
-            transparent
             icon={<CogIcon size={4} />}
             text={labelCstSource(filterSource)}
-            tabIndex={-1}
             onClick={sourceMenu.toggle}
           />
-          { sourceMenu.isActive &&
+          {sourceMenu.isActive ?
           <Dropdown stretchLeft>
-            { Object.values(CstSource).filter(value => !isNaN(Number(value))).map(
+            {Object.values(CstSource).filter(value => !isNaN(Number(value))).map(
             (value, index) => {
               const source = value as CstSource;
               return (
@@ -254,18 +250,16 @@ function ViewSideConstituents({ expression, baseHeight, activeID, onOpenEdit }:
                 <p><span className='font-semibold'>{labelCstSource(source)}:</span> {describeCstSource(source)}</p>
               </DropdownButton>);
             })}
-          </Dropdown>}
+          </Dropdown> : null}
         </div>
       </div>
     </div>
     <div className='overflow-y-auto text-sm overscroll-none' style={{maxHeight : `${maxHeight}`}}>
-      <DataTable
+      <DataTable dense noFooter
         data={filteredData}
         columns={columns}
         conditionalRowStyles={conditionalRowStyles}
         headPosition='0'
-        dense
-        noFooter
 
         enableHiding
         columnVisibility={columnVisibility}
diff --git a/rsconcept/frontend/src/pages/RegisterPage.tsx b/rsconcept/frontend/src/pages/RegisterPage.tsx
index b0b92b75..11f73409 100644
--- a/rsconcept/frontend/src/pages/RegisterPage.tsx
+++ b/rsconcept/frontend/src/pages/RegisterPage.tsx
@@ -54,69 +54,68 @@ function RegisterPage() {
   }
 
   return (
-    <div className='flex justify-center w-full py-2'>
-    { user &&
-      <b>{`Вы вошли в систему как ${user.username}`}</b>}
-    { !user &&
-      <Form
-        title='Регистрация'
-        onSubmit={handleSubmit}
-        dimensions='w-[24rem]'
-      >
-        <TextInput id='username' label='Имя пользователя' type='text'
-          required
-          value={username}
-          onChange={event => setUsername(event.target.value)}
-        />
-        <TextInput id='password' label='Пароль' type='password'
-          required
-          value={password}
-          onChange={event => setPassword(event.target.value)}
-        />
-        <TextInput id='password2' label='Повторите пароль' type='password'
-          required
-          value={password2}
-          onChange={event => setPassword2(event.target.value)}
-        />
-        <div className='text-sm'>
-          <p>- используйте уникальный пароль</p>
-          <p>- портал функционирует в тестовом режиме</p>
-          <p className='font-semibold text-warning'>- безопасность информации не гарантируется</p>
-          {/* <p>- минимум 8 символов</p>
-          <p>- большие, маленькие буквы, цифры</p>
-          <p>- минимум 1 спец. символ</p> */}
-        </div>
-        <TextInput id='email' label='email' type='text'
-          required
-          value={email}
-          onChange={event => setEmail(event.target.value)}
-        />
-        <TextInput id='first_name' label='Имя' type='text'
-          value={firstName}
-          onChange={event => setFirstName(event.target.value)}
-        />
-        <TextInput id='last_name' label='Фамилия' type='text'
-          value={lastName}
-          onChange={event => setLastName(event.target.value)}
-        />
+  <div className='flex justify-center w-full py-2'>
+    {user ? <b>{`Вы вошли в систему как ${user.username}`}</b> : null}
+    {!user ?
+    <Form
+      title='Регистрация'
+      onSubmit={handleSubmit}
+      dimensions='w-[24rem]'
+    >
+      <TextInput id='username' required
+        label='Имя пользователя'
+        value={username}
+        onChange={event => setUsername(event.target.value)}
+      />
+      <TextInput id='password' type='password' required
+        label='Пароль' 
+        value={password}
+        onChange={event => setPassword(event.target.value)}
+      />
+      <TextInput id='password2' required type='password'
+        label='Повторите пароль'
+        value={password2}
+        onChange={event => setPassword2(event.target.value)}
+      />
+      <div className='text-sm'>
+        <p>- используйте уникальный пароль</p>
+        <p>- портал функционирует в тестовом режиме</p>
+        <p className='font-semibold text-warning'>- безопасность информации не гарантируется</p>
+        {/* <p>- минимум 8 символов</p>
+        <p>- большие, маленькие буквы, цифры</p>
+        <p>- минимум 1 спец. символ</p> */}
+      </div>
+      <TextInput id='email' required
+        label='email'
+        value={email}
+        onChange={event => setEmail(event.target.value)}
+      />
+      <TextInput id='first_name'
+        label='Имя'
+        value={firstName}
+        onChange={event => setFirstName(event.target.value)}
+      />
+      <TextInput id='last_name'
+        label='Фамилия'
+        value={lastName}
+        onChange={event => setLastName(event.target.value)}
+      />
 
-        <div className='flex items-center justify-center w-full gap-4 my-4'>
-          <SubmitButton
-            text='Регистрировать' 
-            loading={loading}
-            dimensions='min-w-[10rem]'
-          />
-          <Button 
-            text='Отмена'
-            onClick={() => handleCancel()}
-            dimensions='min-w-[10rem]'
-          />
-        </div>
-        { error && <BackendError error={error} />}
-      </Form>
-    }
-    </div>
-  );
+      <div className='flex items-center justify-center w-full gap-4 my-4'>
+        <SubmitButton
+          text='Регистрировать' 
+          dimensions='min-w-[10rem]'
+          loading={loading}
+        />
+        <Button 
+          text='Отмена'
+          dimensions='min-w-[10rem]'
+          onClick={() => handleCancel()}
+        />
+      </div>
+      {error ? <BackendError error={error} /> : null}
+    </Form> : null}
+  </div>);
 }
 
 export default RegisterPage;
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx b/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
index 545a7c05..f21bfe21 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
@@ -31,7 +31,15 @@ function EditorPassword() {
 
   const passwordColor = useMemo(
   () => {
-    return !!newPassword && !!newPasswordRepeat && newPassword !== newPasswordRepeat ? 'clr-warning' : 'clr-input';
+    if (
+      !!newPassword &&
+      !!newPasswordRepeat &&
+      newPassword !== newPasswordRepeat
+    ) {
+      return 'clr-warning';
+    } else {
+      return 'clr-input';
+    }
   }, [newPassword, newPasswordRepeat]);
 
   const canSubmit = useMemo(
@@ -60,46 +68,44 @@ function EditorPassword() {
   }, [newPassword, oldPassword, newPasswordRepeat, setError]);
 
   return (
-    <div className='flex py-2 border-l-2 max-w-[14rem]'>
-      <form onSubmit={handleSubmit} className='flex flex-col justify-between px-6'>
-        <div className='flex flex-col gap-3'>
-          <TextInput id='old_password'
-            type='password' 
-            label='Старый пароль'
-            allowEnter
-            value={oldPassword}
-            onChange={event => setOldPassword(event.target.value)}
-          />
-          <TextInput id='new_password' type='password' 
-            colors={passwordColor}
-            label='Новый пароль'
-            allowEnter
-            value={newPassword}
-            onChange={event => {
-              setNewPassword(event.target.value); 
-            }}
-          />
-          <TextInput id='new_password_repeat' type='password' 
-            colors={passwordColor}
-            label='Повторите новый'
-            allowEnter
-            value={newPasswordRepeat}
-            onChange={event => {
-              setNewPasswordRepeat(event.target.value); 
-            }}
-          />          
-        </div>
-        { error && <ProcessError error={error} />}
-        <div className='flex justify-center w-full'>
-          <SubmitButton
-            disabled={!canSubmit}
-            loading={loading}
-            text='Сменить пароль'
-          />
-        </div>
-      </form>
-    </div>   
-  )
+  <div className='flex py-2 border-l-2 max-w-[14rem]'>
+  <form
+    className='flex flex-col justify-between px-6'
+    onSubmit={handleSubmit}
+  >
+    <div className='flex flex-col gap-3'>
+      <TextInput id='old_password' type='password' allowEnter
+        label='Старый пароль'
+        value={oldPassword}
+        onChange={event => setOldPassword(event.target.value)}
+      />
+      <TextInput id='new_password' type='password' allowEnter
+        label='Новый пароль'
+        colors={passwordColor}
+        value={newPassword}
+        onChange={event => {
+          setNewPassword(event.target.value); 
+        }}
+      />
+      <TextInput id='new_password_repeat' type='password' allowEnter
+        label='Повторите новый'
+        colors={passwordColor}
+        value={newPasswordRepeat}
+        onChange={event => {
+          setNewPasswordRepeat(event.target.value); 
+        }}
+      />          
+    </div>
+    {error ? <ProcessError error={error} /> : null}
+    <div className='flex justify-center w-full'>
+      <SubmitButton
+        text='Сменить пароль'
+        disabled={!canSubmit}
+        loading={loading}
+      />
+    </div>
+  </form>
+  </div>);
 }
 
 export default EditorPassword;
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx b/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx
index bdaf3996..b0e0bdd0 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx
@@ -50,42 +50,37 @@ function EditorProfile() {
   }
 
   return (
-    <form onSubmit={handleSubmit} className='px-6 py-2 flex flex-col gap-8 min-w-[18rem]'>
-      <div className='flex flex-col gap-3'>
-        <TextInput id='username'
-          label='Логин'
-          tooltip='Логин изменить нельзя'
-          disabled
-          value={username}
-        />
-        <TextInput id='first_name'
-          label='Имя'
-          value={first_name}
-          allowEnter
-          onChange={event => setFirstName(event.target.value)}
-        />
-        <TextInput id='last_name'
-          label='Фамилия'
-          value={last_name}
-          allowEnter
-          onChange={event => setLastName(event.target.value)}
-        />
-        <TextInput id='email'
-          label='Электронная почта'
-          allowEnter
-          value={email}
-          onChange={event => setEmail(event.target.value)}
-        />
-      </div>  
-      <div className='flex justify-center w-full'>
-        <SubmitButton
-          text='Сохранить данные'
-          loading={processing}
-          disabled={!isModified}
-        />
-      </div>  
-    </form>
-  )
+  <form onSubmit={handleSubmit} className='px-6 py-2 flex flex-col gap-8 min-w-[18rem]'>
+    <div className='flex flex-col gap-3'>
+      <TextInput id='username' disabled
+        label='Логин'
+        tooltip='Логин изменить нельзя'
+        value={username}
+      />
+      <TextInput id='first_name' allowEnter
+        label='Имя'
+        value={first_name}
+        onChange={event => setFirstName(event.target.value)}
+      />
+      <TextInput id='last_name' allowEnter
+        label='Фамилия'
+        value={last_name}
+        onChange={event => setLastName(event.target.value)}
+      />
+      <TextInput id='email' allowEnter
+        label='Электронная почта'
+        value={email}
+        onChange={event => setEmail(event.target.value)}
+      />
+    </div>  
+    <div className='flex justify-center w-full'>
+      <SubmitButton
+        text='Сохранить данные'
+        loading={processing}
+        disabled={!isModified}
+      />
+    </div>  
+  </form>);
 }
 
   export default EditorProfile;
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx b/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx
index 780bb618..70dc27b7 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx
@@ -24,39 +24,37 @@ function UserTabs() {
   }, [auth, items]);
 
   return (
-    <div className='w-full'>
-      { loading && <ConceptLoader /> }
-      { error && <BackendError error={error} />}
-      { user && 
-      <div className='flex justify-center gap-2 py-2'>
-        <div className='flex flex-col gap-2 min-w-max'>
-          <div className='relative w-full'>
-            <div className='absolute top-0 right-0 mt-2'>
-              <MiniButton
-                tooltip='Показать/Скрыть список отслеживаний'
-                icon={showSubs
-                  ? <SubscribedIcon color='text-primary' size={5}/>
-                  : <NotSubscribedIcon color='text-primary' size={5}/>
-                }
-                onClick={() => setShowSubs(prev => !prev)}
-              />
-            </div>
+  <div className='w-full'>
+    {loading ? <ConceptLoader /> : null}
+    {error ? <BackendError error={error} /> : null}
+    {user ? 
+    <div className='flex justify-center gap-2 py-2'>
+      <div className='flex flex-col gap-2 min-w-max'>
+        <div className='relative w-full'>
+          <div className='absolute top-0 right-0 mt-2'>
+            <MiniButton
+              tooltip='Показать/Скрыть список отслеживаний'
+              icon={showSubs
+                ? <SubscribedIcon color='text-primary' size={5}/>
+                : <NotSubscribedIcon color='text-primary' size={5}/>
+              }
+              onClick={() => setShowSubs(prev => !prev)}
+            />
           </div>
-          <h1>Учетные данные пользователя</h1>
-          <div className='flex justify-center py-2 max-w-fit'>
-            <EditorProfile />
-            <EditorPassword />
-          </div>   
         </div>
-        {subscriptions.length > 0 && showSubs &&
-        <div className='flex flex-col w-full gap-6 pl-4'>
-          <h1>Отслеживаемые схемы</h1>
-          <ViewSubscriptions items={subscriptions} />
-        </div>}
+        <h1>Учетные данные пользователя</h1>
+        <div className='flex justify-center py-2 max-w-fit'>
+          <EditorProfile />
+          <EditorPassword />
+        </div>   
       </div>
-      }
-    </div>
-  );
+      {(subscriptions.length > 0 && showSubs) ?
+      <div className='flex flex-col w-full gap-6 pl-4'>
+        <h1>Отслеживаемые схемы</h1>
+        <ViewSubscriptions items={subscriptions} />
+      </div> : null}
+    </div> : null}
+  </div>);
 }
 
 export default UserTabs;
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx b/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
index 32c5b5b9..b110f0a2 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
@@ -47,26 +47,22 @@ function ViewSubscriptions({items}: ViewSubscriptionsProps) {
   ], [intl]);
 
   return (
-    <div className='max-h-[23.8rem] overflow-auto text-sm border w-fit'>
-    <DataTable
-      columns={columns}
-      data={items}
-      headPosition='0'
-      dense
+  <div className='max-h-[23.8rem] overflow-auto text-sm border w-fit'>
+  <DataTable dense noFooter
+    columns={columns}
+    data={items}
+    headPosition='0'
 
-      enableSorting
-      initialSorting={{
-        id: 'time_update',
-        desc: true
-      }}
-      noDataComponent={
-        <div className='h-[10rem]'>Отслеживаемые схемы отсутствуют</div>
-      }
+    enableSorting
+    initialSorting={{
+      id: 'time_update',
+      desc: true
+    }}
+    noDataComponent={<div className='h-[10rem]'>Отслеживаемые схемы отсутствуют</div>}
 
-      onRowClicked={openRSForm}
-    />
-    </div>
-  )
+    onRowClicked={openRSForm}
+  />
+  </div>);
 }
 
 export default ViewSubscriptions;
diff --git a/rsconcept/frontend/src/utils/constants.ts b/rsconcept/frontend/src/utils/constants.ts
index 6fc2ccec..ec3bfcff 100644
--- a/rsconcept/frontend/src/utils/constants.ts
+++ b/rsconcept/frontend/src/utils/constants.ts
@@ -66,6 +66,7 @@ export const globalIDs = {
  * Prefixes for generating unique keys for lists.
  */
 export const prefixes = {
+  page_size: 'page-size-',
   cst_list: 'cst-list-',
   cst_hidden_list: 'cst-hidden-list-',
   cst_modal_list: 'cst-modal-list-',