diff --git a/ivette/src/dome/renderer/layout/boxes.tsx b/ivette/src/dome/renderer/layout/boxes.tsx
index 685be04352af54c1e285ad59b61af0dd71da63f3..f0cc5d41d803bf19157e73207e601185aded8bbc 100644
--- a/ivette/src/dome/renderer/layout/boxes.tsx
+++ b/ivette/src/dome/renderer/layout/boxes.tsx
@@ -20,8 +20,6 @@
 /*                                                                          */
 /* ************************************************************************ */
 
-/* eslint-disable @typescript-eslint/explicit-function-return-type */
-
 // --------------------------------------------------------------------------
 // --- Box Layout
 // --------------------------------------------------------------------------
@@ -78,7 +76,7 @@ const makeBox = (
   boxClasses: string,
   props: DivProps,
   morestyle?: React.CSSProperties,
-) => {
+): JSX.Element => {
   const { children, className, style, ...others } = props;
   const allClasses = classes(className, boxClasses);
   const allStyles = styles(style, morestyle);
@@ -97,37 +95,43 @@ const makeBox = (
    Horizontal box (extends horizontally, no overflow).
 */
 export const Hbox =
-  (props: DivProps) => makeBox('dome-xBoxes-hbox dome-xBoxes-box', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-hbox dome-xBoxes-box', props);
 
 /**
    Vertical box (extends vertically, no overflow).
-*/
+ */
 export const Vbox =
-  (props: DivProps) => makeBox('dome-xBoxes-vbox dome-xBoxes-box', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-vbox dome-xBoxes-box', props);
 
 /**
    Compact Horizontal box (fixed dimensions, no overflow).
-*/
+ */
 export const Hpack =
-  (props: DivProps) => makeBox('dome-xBoxes-hbox dome-xBoxes-pack', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-hbox dome-xBoxes-pack', props);
 
 /**
    Compact Vertical box (fixed dimensions, no overflow).
-*/
+ */
 export const Vpack =
-  (props: DivProps) => makeBox('dome-xBoxes-vbox dome-xBoxes-pack', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-vbox dome-xBoxes-pack', props);
 
 /**
    Horizontally filled box (fixed height, maximal width, no overflow).
-*/
+ */
 export const Hfill =
-  (props: DivProps) => makeBox('dome-xBoxes-hbox dome-xBoxes-fill', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-hbox dome-xBoxes-fill', props);
 
 /**
    Vertically filled box (fixed width, maximal height, no overflow).
-*/
+ */
 export const Vfill =
-  (props: DivProps) => makeBox('dome-xBoxes-vbox dome-xBoxes-fill', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-vbox dome-xBoxes-fill', props);
 
 // --------------------------------------------------------------------------
 // --- Scrolling & Spacing
@@ -135,21 +139,22 @@ export const Vfill =
 
 /**
    Scrolling container.
-*/
+ */
 export const Scroll =
-  (props: DivProps) => makeBox('dome-xBoxes-scroll dome-container', props);
+  (props: DivProps): JSX.Element =>
+    makeBox('dome-xBoxes-scroll dome-container', props);
 
 /**
    Rigid space between items in a box.
-*/
+ */
 export const Space =
-  (props: DivProps) => makeBox('dome-xBoxes-space', props);
+  (props: DivProps): JSX.Element => makeBox('dome-xBoxes-space', props);
 
 /**
    Extensible space between items in a box.
-*/
+ */
 export const Filler =
-  (props: DivProps) => makeBox('dome-xBoxes-filler', props);
+  (props: DivProps): JSX.Element => makeBox('dome-xBoxes-filler', props);
 
 // --------------------------------------------------------------------------
 // --- Grids
@@ -168,8 +173,8 @@ export interface GridProps extends DivProps { columns?: string }
    properties.
 
    Example: `<Grid columns="25% auto auto"> ... </Grid>`
-*/
-export const Grid = (props: GridProps) => {
+ */
+export const Grid = (props: GridProps): JSX.Element => {
   const { columns, ...others } = props;
   return makeBox('dome-xBoxes-grid', others, { gridTemplateColumns: columns });
 };
@@ -197,7 +202,7 @@ export interface FolderProps {
    Foldable (vertical, packed) box.
    The head label is clickable to fold/unfold its contents.
 */
-export const Folder = (props: FolderProps) => {
+export const Folder = (props: FolderProps): JSX.Element => {
   const {
     settings,
     defaultUnfold = false,
diff --git a/ivette/src/dome/renderer/layout/dispatch.tsx b/ivette/src/dome/renderer/layout/dispatch.tsx
index 7cecf5b9ae63fd73496e0605123ee04e0f054998..6dddb84135198cccc947cbf50d4153ed9444bc7e 100644
--- a/ivette/src/dome/renderer/layout/dispatch.tsx
+++ b/ivette/src/dome/renderer/layout/dispatch.tsx
@@ -20,8 +20,6 @@
 /*                                                                          */
 /* ************************************************************************ */
 
-/* eslint-disable @typescript-eslint/explicit-function-return-type */
-
 // --------------------------------------------------------------------------
 // --- Dispatch Layout
 // --------------------------------------------------------------------------
@@ -97,7 +95,7 @@ export interface ElementProps {
    Multiple definitions of the same element might produce
    unpredictable results.
  */
-export function DefineElement(props: ElementProps) {
+export function DefineElement(props: ElementProps): JSX.Element | null {
   React.useEffect(() => {
     const item = getItem(props.id);
     item.update(props.children);
@@ -122,14 +120,14 @@ export interface RenderProps {
    of the item, or `undefined` if there is no identifier or no
    corresponding `<DefineElement />` currently mounted.
  */
-export function RenderElement(props: RenderProps) {
+export function RenderElement(props: RenderProps): JSX.Element {
   const [age, setAge] = React.useState(0);
   const { id, children } = props;
   const item = id ? getItem(id) : undefined;
   React.useEffect(() => {
     if (item) {
       const { event } = item;
-      const trigger = () => setAge(age + 1);
+      const trigger = (): void => setAge(age + 1);
       event.on(trigger);
       return () => event.off(trigger);
     }
@@ -137,9 +135,9 @@ export function RenderElement(props: RenderProps) {
   }, [age, item]);
   if (item) item.rendered = true;
   if (typeof (children) === 'function')
-    return children(item?.content);
-  const content = item?.content || children;
-  return content;
+    return <>{children(item?.content)}</>;
+  const content = item?.content || children || null;
+  return <>{content}</>;
 }
 
 // --------------------------------------------------------------------------
diff --git a/ivette/src/dome/renderer/layout/splitters.tsx b/ivette/src/dome/renderer/layout/splitters.tsx
index a5fb604eafbf6da56e87951bf981f531b2932483..e56f47dd345caba272617b45e6cb2071ffaf9edc 100644
--- a/ivette/src/dome/renderer/layout/splitters.tsx
+++ b/ivette/src/dome/renderer/layout/splitters.tsx
@@ -20,8 +20,6 @@
 /*                                                                          */
 /* ************************************************************************ */
 
-/* eslint-disable @typescript-eslint/explicit-function-return-type */
-
 // --------------------------------------------------------------------------
 // --- Splitters
 // --------------------------------------------------------------------------
@@ -129,7 +127,7 @@ type CSS = {
   split: string;
 };
 
-const getFlexCSS = (hsplit: boolean, fold: boolean) => (
+const getFlexCSS = (hsplit: boolean, fold: boolean): string => (
   hsplit ? (fold ? HFOLD : HPANE) : (fold ? VFOLD : VPANE)
 );
 
@@ -189,7 +187,7 @@ function getSettingsFromPosition(L: Layout, P: number, D: number): number {
   return P / D;
 }
 
-const inRange = (M: number, D: number, P: number) => (
+const inRange = (M: number, D: number, P: number): number => (
   D < M ? D / 2 : Math.min(Math.max(P, M), D - M)
 );
 
@@ -200,7 +198,7 @@ const inRange = (M: number, D: number, P: number) => (
 interface SplitterLayoutProps extends SplitterFoldProps { layout: Layout }
 interface SplitterEngineProps extends SplitterLayoutProps { size: Size }
 
-function SplitterEngine(props: SplitterEngineProps) {
+function SplitterEngine(props: SplitterEngineProps): JSX.Element {
   const defaultPosition = props.defaultPosition ?? 0;
   const [settings, setSettings] =
     Dome.useNumberSettings(props.settings, defaultPosition);
@@ -300,7 +298,7 @@ function SplitterEngine(props: SplitterEngineProps) {
   );
 }
 
-const SplitterLayout = (props: SplitterLayoutProps) => (
+const SplitterLayout = (props: SplitterLayoutProps): JSX.Element => (
   <div className={CONTAINER}>
     <AutoSizer>
       {(size: Size) => (
@@ -335,39 +333,39 @@ const getLayout = (d: Direction): Layout => {
 /** Splitter with specified direction.
    @category Base Component
 */
-export function Splitter(props: SplitterDirProps) {
+export function Splitter(props: SplitterDirProps): JSX.Element {
   const { direction, ...others } = props;
   const layout = getLayout(direction);
   return <SplitterLayout layout={layout} {...others} />;
 }
 
 /** Horizontal Splitter. */
-export function HSplit(props: SplitterBaseProps) {
+export function HSplit(props: SplitterBaseProps): JSX.Element {
   return <SplitterLayout layout={HLayout} {...props} />;
 }
 
 /** Vertical Splitter. */
-export function VSplit(props: SplitterBaseProps) {
+export function VSplit(props: SplitterBaseProps): JSX.Element {
   return <SplitterLayout layout={VLayout} {...props} />;
 }
 
 /** Horizontal Splitter with stacked and foldable left element. */
-export function LSplit(props: SplitterFoldProps) {
+export function LSplit(props: SplitterFoldProps): JSX.Element {
   return <SplitterLayout layout={LLayout} {...props} />;
 }
 
 /** Horizontal Splitter with stacked and foldable right element. */
-export function RSplit(props: SplitterFoldProps) {
+export function RSplit(props: SplitterFoldProps): JSX.Element {
   return <SplitterLayout layout={RLayout} {...props} />;
 }
 
 /** Vertical Splitter with stacked and foldable top element. */
-export function TSplit(props: SplitterFoldProps) {
+export function TSplit(props: SplitterFoldProps): JSX.Element {
   return <SplitterLayout layout={TLayout} {...props} />;
 }
 
 /** Vertical Splitter with stacked and foldable bottom element. */
-export function BSplit(props: SplitterFoldProps) {
+export function BSplit(props: SplitterFoldProps): JSX.Element {
   return <SplitterLayout layout={BLayout} {...props} />;
 }