Add text domain option while scaffolding the block in create-block

packages/create-block/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Enhancement
+
+-   Add support for custom `textdomain` property for the scaffolded block ([#57197](https://github.com/WordPress/gutenberg/pull/57197)).
+
 ## 4.57.0 (2024-12-11)
 
 ### Internal

packages/create-block/lib/index.js

@@ -159,6 +159,7 @@ program
 							'description',
 							'dashicon',
 							'category',
+							'textdomain',
 						],
 						variant
 					).filter( filterOptionsProvided );

packages/create-block/lib/prompts.js

@@ -79,6 +79,20 @@ const category = {
 	choices: [ 'text', 'media', 'design', 'widgets', 'theme', 'embed' ],
 };
 
+const textdomain = {
+	type: 'input',
+	name: 'textdomain',
+	message:
+		'The text domain used to internationalize text in the block (by default it will be same as slug):',
+	validate( input ) {
+		if ( input.length && ! /^[a-z][a-z0-9\-]*$/.test( input ) ) {
+			return 'Invalid text domain specified. Text domain can contain only lowercase alphanumeric characters or dashes, and start with a letter.';
+		}
+
+		return true;
+	},
+};
+
 // Plugin header fields.
 const pluginURI = {
 	type: 'input',
@@ -141,6 +155,7 @@ module.exports = {
 	description,
 	dashicon,
 	category,
+	textdomain,
 	pluginURI,
 	version,
 	author,

packages/create-block/lib/scaffold.js

@@ -26,6 +26,7 @@ module.exports = async (
 		description,
 		dashicon,
 		category,
+		textdomain,
 		attributes,
 		supports,
 		author,
@@ -95,7 +96,7 @@ module.exports = async (
 		customPackageJSON,
 		customBlockJSON,
 		example,
-		textdomain: slug,
+		textdomain: textdomain || slug,
 		rootDirectory,
 	} );