add missing file

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

@@ -0,0 +1,124 @@
+/**
+ * WordPress dependencies
+ */
+import { useState } from '@wordpress/element';
+
+/**
+ * Internal dependencies
+ */
+import UnitControl from '../';
+
+const meta = {
+	title: 'BlockEditor/UnitControl',
+	component: UnitControl,
+	parameters: {
+		docs: {
+			canvas: { sourceState: 'shown' },
+			description: {
+				component:
+					'UnitControl allows the user to set a numeric quantity as well as a unit.',
+			},
+		},
+	},
+	argTypes: {
+		onChange: {
+			action: 'onChange',
+			description: 'Callback function when the value changes.',
+			table: {
+				type: { summary: 'function' },
+			},
+		},
+		onUnitChange: {
+			action: 'onUnitChange',
+			description: 'Callback function when the unit changes.',
+			table: {
+				type: { summary: 'function' },
+			},
+		},
+		labelPosition: {
+			control: 'radio',
+			options: [ 'top', 'side', 'bottom', 'edge' ],
+			description: 'The position of the label.',
+			table: {
+				type: { summary: 'string' },
+			},
+		},
+		label: {
+			control: 'text',
+			description: 'The label for the control.',
+			table: {
+				type: { summary: 'string' },
+			},
+		},
+		value: {
+			control: { type: null },
+			description: 'The value of the control.',
+			table: {
+				type: { summary: 'string' },
+			},
+		},
+		size: {
+			control: 'radio',
+			options: [ 'default', 'small' ],
+			description: 'The size of the control.',
+			table: {
+				type: { summary: 'string' },
+				defaultValue: { summary: 'default' },
+			},
+		},
+		disabled: {
+			control: 'boolean',
+			description: 'Whether the control is disabled.',
+			table: {
+				type: { summary: 'boolean' },
+				defaultValue: { summary: false },
+			},
+		},
+		disableUnits: {
+			control: 'boolean',
+			description: 'If true, the unit select is hidden.',
+			table: {
+				type: { summary: 'boolean' },
+				defaultValue: { summary: false },
+			},
+		},
+		isPressEnterToChange: {
+			control: 'boolean',
+			description:
+				'If true, the ENTER key press is required to trigger onChange. Change is also triggered on blur.',
+			table: {
+				type: { summary: 'boolean' },
+				defaultValue: { summary: false },
+			},
+		},
+		isUnitSelectTabbable: {
+			control: 'boolean',
+			description: 'Determines if the unit select is tabbable.',
+			table: {
+				type: { summary: 'boolean' },
+				defaultValue: { summary: true },
+			},
+		},
+	},
+};
+
+export default meta;
+
+export const Default = {
+	render: function Template( { onChange, ...args } ) {
+		const [ value, setValue ] = useState();
+		return (
+			<UnitControl
+				{ ...args }
+				value={ value }
+				onChange={ ( ...changeArgs ) => {
+					onChange( ...changeArgs );
+					setValue( ...changeArgs );
+				} }
+			/>
+		);
+	},
+	args: {
+		label: 'Label',
+	},
+};