Storybook : Add TextTransformControl stories

packages/block-editor/src/components/text-transform-control/README.md

@@ -1,7 +1,7 @@
 # TextTransformControl
 
 The `TextTransformControl` component is responsible for rendering a control element that allows users to select and apply text transformation options to blocks or elements in the Gutenberg editor. It provides an intuitive interface for changing the text appearance by applying different transformations such as `none`, `uppercase`, `lowercase`, `capitalize`.
- 
+
 ![TextTransformConrol Element in Inspector Control](https://raw.githubusercontent.com/WordPress/gutenberg/HEAD/docs/assets/text-transform-component.png?raw=true)
 
 ## Development guidelines
@@ -28,7 +28,6 @@ const MyTextTransformControlComponent = () => (
 ### `value`
 
 -   **Type:** `String`
--   **Default:** `none`
 -   **Options:** `none`, `uppercase`, `lowercase`, `capitalize`
 
 The current value of the Text Transform setting. You may only choose from the `Options` listed above.
@@ -37,4 +36,4 @@ The current value of the Text Transform setting. You may only choose from the `O
 
 -   **Type:** `Function`
 
-A callback function invoked when the Text Transform value is changed via an interaction with any of the buttons. Called with the Text Transform value (`none`, `uppercase`, `lowercase`, `capitalize`) as the only argument.
+A callback function invoked when the Text Transform value is changed via an interaction with any of the buttons. Called with the Text Transform value (`none`, `uppercase`, `lowercase`, `capitalize`) as the only argument.

packages/block-editor/src/components/text-transform-control/stories/index.story.js

@@ -8,26 +8,63 @@ import { useState } from '@wordpress/element';
  */
 import TextTransformControl from '../';
 
-export default {
+const meta = {
 	title: 'BlockEditor/TextTransformControl',
 	component: TextTransformControl,
+	parameters: {
+		docs: {
+			canvas: { sourceState: 'shown' },
+			description: {
+				component:
+					'Control to facilitate text transformation selections.',
+			},
+		},
+	},
 	argTypes: {
-		onChange: { action: 'onChange' },
+		onChange: {
+			action: 'onChange',
+			control: {
+				type: null,
+			},
+			description: 'Handles change in text transform selection.',
+			table: {
+				type: {
+					summary: 'function',
+				},
+			},
+		},
+		className: {
+			control: { type: 'text' },
+			description: 'Class name to add to the control.',
+			table: {
+				type: { summary: 'string' },
+			},
+		},
+		value: {
+			control: { type: null },
+			description: 'Currently selected text transform.',
+			table: {
+				type: { summary: 'string' },
+			},
+		},
 	},
 };
 
-const Template = ( { onChange, ...args } ) => {
-	const [ value, setValue ] = useState();
-	return (
-		<TextTransformControl
-			{ ...args }
-			onChange={ ( ...changeArgs ) => {
-				onChange( ...changeArgs );
-				setValue( ...changeArgs );
-			} }
-			value={ value }
-		/>
-	);
-};
+export default meta;
+
+export const Default = {
+	render: function Template( { onChange, ...args } ) {
+		const [ value, setValue ] = useState();
 
-export const Default = Template.bind( {} );
+		return (
+			<TextTransformControl
+				{ ...args }
+				onChange={ ( ...changeArgs ) => {
+					onChange( ...changeArgs );
+					setValue( ...changeArgs );
+				} }
+				value={ value }
+			/>
+		);
+	},
+};