From 10b3b77cc90f20600ca1874139f68b6d57abcfc4 Mon Sep 17 00:00:00 2001
From: John Oshalusi <john.oshalusi@iohk.io>
Date: Thu, 30 Oct 2025 20:32:11 +0100
Subject: [PATCH] feat: add icon to toggle switch

---
 .../toggle-switch/toggle-switch.component.tsx | 10 ++++++
 .../toggle-switch/toggle-switch.css.ts        | 29 ++++++++++++++++
 .../toggle-switch/toggle-switch.stories.tsx   | 33 +++++++++++++++++++
 src/icons/MoonComponent.tsx                   |  9 +++++
 src/icons/SunComponent.tsx                    | 17 ++++++++++
 src/icons/index.ts                            |  2 ++
 6 files changed, 100 insertions(+)
 create mode 100644 src/icons/MoonComponent.tsx
 create mode 100644 src/icons/SunComponent.tsx

diff --git a/src/design-system/toggle-switch/toggle-switch.component.tsx b/src/design-system/toggle-switch/toggle-switch.component.tsx
index 2f3a690..5bc1e56 100644
--- a/src/design-system/toggle-switch/toggle-switch.component.tsx
+++ b/src/design-system/toggle-switch/toggle-switch.component.tsx
@@ -22,6 +22,8 @@ type Props = Omit<
   required?: boolean;
   id?: string;
   testId?: string;
+  checkedChildren?: ReactNode;
+  unCheckedChildren?: ReactNode;
 };
 
 export const ToggleSwitch = ({
@@ -30,6 +32,9 @@ export const ToggleSwitch = ({
   icon,
   disabled,
   testId,
+  checkedChildren,
+  unCheckedChildren,
+  checked,
   ...props
 }: Readonly<Props>): JSX.Element => {
   return (
@@ -51,12 +56,17 @@ export const ToggleSwitch = ({
       )}
       <Switch.Root
         {...props}
+        checked={checked}
         disabled={disabled}
         className={cx.toogleSwitch}
         id={id}
         data-testid={testId + 'toggle-switch'}
       >
         <Switch.Thumb className={cx.thumb} />
+        {checked && <span className={cx.checkedIcon}>{checkedChildren}</span>}
+        {!checked && (
+          <span className={cx.uncheckedIcon}>{unCheckedChildren}</span>
+        )}
       </Switch.Root>
     </Flex>
   );
diff --git a/src/design-system/toggle-switch/toggle-switch.css.ts b/src/design-system/toggle-switch/toggle-switch.css.ts
index 994f90d..4c18277 100644
--- a/src/design-system/toggle-switch/toggle-switch.css.ts
+++ b/src/design-system/toggle-switch/toggle-switch.css.ts
@@ -87,3 +87,32 @@ export const iconContainer = style([
     overflow: 'hidden',
   },
 ]);
+
+const icon = style([
+  sx({
+    display: 'flex',
+    alignItems: 'center',
+    justifyContent: 'center',
+  }),
+  {
+    position: 'absolute',
+    top: '50%',
+    transform: 'translateY(-50%)',
+    pointerEvents: 'none',
+    transition: 'opacity 0.2s',
+  },
+]);
+
+export const checkedIcon = style([
+  icon,
+  {
+    left: '4px',
+  },
+]);
+
+export const uncheckedIcon = style([
+  icon,
+  {
+    right: '2px',
+  },
+]);
diff --git a/src/design-system/toggle-switch/toggle-switch.stories.tsx b/src/design-system/toggle-switch/toggle-switch.stories.tsx
index b02bf03..660d51f 100644
--- a/src/design-system/toggle-switch/toggle-switch.stories.tsx
+++ b/src/design-system/toggle-switch/toggle-switch.stories.tsx
@@ -4,6 +4,7 @@ import InfoIcon from '@icons/InfoComponent';
 import type { Meta } from '@storybook/react';
 
 import { ThemeColorScheme, LocalThemeProvider } from '../../design-tokens';
+import { Moon, Sun } from '../../icons';
 import { page, Variants, Section, UIStateTable } from '../decorators';
 import { Divider } from '../divider';
 import { Grid, Cell } from '../grid';
@@ -12,6 +13,25 @@ import { ToggleSwitch } from './toggle-switch.component';
 
 const subtitle = `The toggle switch represents a physical switch that allows users to turn things on or off. Use toggle switch controls to present users with two mutually exclusive options (such as on/off), where choosing an option provides immediate results.`;
 
+const WithCheckedAndUncheckedChildren = (): JSX.Element => {
+  const [checked, setChecked] = React.useState(false);
+
+  return (
+    <Variants.Row>
+      <Variants.Cell>
+        <ToggleSwitch
+          label="Light / Dark mode"
+          id="theme-switch"
+          checked={checked}
+          onCheckedChange={setChecked}
+          checkedChildren={<Sun width={20} height={20} />}
+          unCheckedChildren={<Moon width={20} height={20} />}
+        />
+      </Variants.Cell>
+    </Variants.Row>
+  );
+};
+
 export default {
   title: 'Basic Input/Toggle switch',
   component: ToggleSwitch,
@@ -204,6 +224,19 @@ export const Overview = (): JSX.Element => (
           <SwitchPreview />
         </UIStateTable>
       </Section>
+
+      <Divider my="$64" />
+
+      <Section title="Toogle switch with icons">
+        <Variants.Table>
+          <WithCheckedAndUncheckedChildren />
+        </Variants.Table>
+        <LocalThemeProvider colorScheme={ThemeColorScheme.Dark}>
+          <Variants.Table>
+            <WithCheckedAndUncheckedChildren />
+          </Variants.Table>
+        </LocalThemeProvider>
+      </Section>
     </Cell>
   </Grid>
 );
diff --git a/src/icons/MoonComponent.tsx b/src/icons/MoonComponent.tsx
new file mode 100644
index 0000000..1974b38
--- /dev/null
+++ b/src/icons/MoonComponent.tsx
@@ -0,0 +1,9 @@
+import React, { type SVGProps } from 'react';
+
+const SvgMoonComponent = (props: SVGProps<SVGSVGElement>) => (
+  <svg width={24} height={24} fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+    <path d="M13.9999 10.3067C13.2119 10.6631 12.3371 10.8615 11.416 10.8615C7.94916 10.8615 5.13868 8.051 5.13868 4.5841C5.13868 3.66292 5.3371 2.78808 5.69354 2C3.51549 2.98496 2 5.17681 2 7.72263C2 11.1895 4.81047 14 8.27737 14C10.8231 14 13.0149 12.4846 13.9999 10.3067Z" fill="white"/>
+  </svg>
+);
+
+export default SvgMoonComponent;
diff --git a/src/icons/SunComponent.tsx b/src/icons/SunComponent.tsx
new file mode 100644
index 0000000..31ef2aa
--- /dev/null
+++ b/src/icons/SunComponent.tsx
@@ -0,0 +1,17 @@
+import type { SVGProps } from 'react';
+
+const SvgSunComponent = (props: SVGProps<SVGSVGElement>) => (
+  <svg width={24} height={24} fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+    <path d="M7.99967 1.33333C8.45991 1.33333 8.83301 1.70642 8.83301 2.16666V2.99999C8.83301 3.46023 8.45991 3.83333 7.99967 3.83333C7.53944 3.83333 7.16634 3.46023 7.16634 2.99999V2.16666C7.16634 1.70642 7.53944 1.33333 7.99967 1.33333Z" fill="white"/>
+    <path d="M11.333 8C11.333 9.84094 9.84062 11.3333 7.99967 11.3333C6.15873 11.3333 4.66634 9.84094 4.66634 8C4.66634 6.15905 6.15873 4.66666 7.99967 4.66666C9.84062 4.66666 11.333 6.15905 11.333 8Z" fill="white"/>
+    <path d="M10.946 12.1248L11.5353 12.714C11.8607 13.0394 12.3883 13.0394 12.7138 12.714C13.0392 12.3886 13.0392 11.8609 12.7138 11.5355L12.1245 10.9462C11.7991 10.6208 11.2714 10.6208 10.946 10.9462C10.6206 11.2717 10.6206 11.7993 10.946 12.1248Z" fill="white"/>
+    <path d="M12.7137 3.28591C13.0391 3.61134 13.0391 4.13898 12.7137 4.46442L12.1244 5.05367C11.799 5.37911 11.2714 5.37911 10.9459 5.05367C10.6205 4.72824 10.6205 4.2006 10.9459 3.87516L11.5352 3.28591C11.8606 2.96047 12.3882 2.96047 12.7137 3.28591Z" fill="white"/>
+    <path d="M13.833 8.83333C14.2932 8.83333 14.6663 8.46023 14.6663 8C14.6663 7.53976 14.2932 7.16666 13.833 7.16666H12.9997C12.5394 7.16666 12.1663 7.53976 12.1663 8C12.1663 8.46023 12.5394 8.83333 12.9997 8.83333H13.833Z" fill="white"/>
+    <path d="M7.99967 12.1667C8.45991 12.1667 8.83301 12.5398 8.83301 13V13.8333C8.83301 14.2936 8.45991 14.6667 7.99967 14.6667C7.53944 14.6667 7.16634 14.2936 7.16634 13.8333V13C7.16634 12.5398 7.53944 12.1667 7.99967 12.1667Z" fill="white"/>
+    <path d="M3.87493 5.05369C4.20037 5.37912 4.72801 5.37912 5.05344 5.05369C5.37888 4.72825 5.37888 4.20061 5.05344 3.87518L4.46419 3.28592C4.13875 2.96048 3.61111 2.96048 3.28568 3.28592C2.96024 3.61136 2.96024 4.139 3.28568 4.46443L3.87493 5.05369Z" fill="white"/>
+    <path d="M5.05337 12.1247L4.46411 12.714C4.13867 13.0394 3.61104 13.0394 3.2856 12.714C2.96016 12.3886 2.96016 11.8609 3.2856 11.5355L3.87486 10.9462C4.20029 10.6208 4.72793 10.6208 5.05337 10.9462C5.3788 11.2717 5.3788 11.7993 5.05337 12.1247Z" fill="white"/>
+    <path d="M2.99967 8.83333C3.45991 8.83333 3.83301 8.46023 3.83301 8C3.83301 7.53976 3.45991 7.16666 2.99967 7.16666H2.16634C1.7061 7.16666 1.33301 7.53976 1.33301 8C1.33301 8.46023 1.7061 8.83333 2.16634 8.83333H2.99967Z" fill="white"/>
+  </svg>
+);
+
+export default SvgSunComponent;
diff --git a/src/icons/index.ts b/src/icons/index.ts
index 217efb7..f9b48e2 100644
--- a/src/icons/index.ts
+++ b/src/icons/index.ts
@@ -79,3 +79,5 @@ export { default as WalletComponent } from './WalletComponent';
 export { default as WarningIconCircleComponent } from './WarningIconCircleComponent';
 export { default as WarningIconTriangleSolidComponent } from './WarningIconTriangleSolidComponent';
 export { default as WarningIconTriangleComponent } from './WarningIconTriangleComponent';
+export { default as Sun } from './SunComponent';
+export { default as Moon } from './MoonComponent';