Dev Inspector

plugins/dev-inspector/.editorconfig

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+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
+
+# WordPress Coding Standards
+# https://make.wordpress.org/core/handbook/coding-standards/
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = tab
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2

plugins/dev-inspector/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Output of `npm pack`
+*.tgz
+
+# Output of `wp-scripts plugin-zip`
+*.zip
+
+# dotenv environment variables file
+.env

plugins/dev-inspector/dev-inspector.php

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+<?php
+/**
+ * Plugin Name:       Dev Inspector
+ * Description:       Example block scaffolded with Create Block tool.
+ * Version:           0.1.0
+ * Requires at least: 6.7
+ * Requires PHP:      7.4
+ * Author:            The WordPress Contributors
+ * License:           GPL-2.0-or-later
+ * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain:       dev-inspector
+ *
+ * @package DeveloperShowcase
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+/**
+ * Registers the block using a `blocks-manifest.php` file, which improves the performance of block type registration.
+ * Behind the scenes, it also registers all assets so they can be enqueued
+ * through the block editor in the corresponding context.
+ *
+ * @see https://make.wordpress.org/core/2025/03/13/more-efficient-block-type-registration-in-6-8/
+ * @see https://make.wordpress.org/core/2024/10/17/new-block-type-registration-apis-to-improve-performance-in-wordpress-6-7/
+ */
+function developer_showcase_dev_inspector_block_init() {
+	/**
+	 * Registers the block(s) metadata from the `blocks-manifest.php` and registers the block type(s)
+	 * based on the registered block metadata.
+	 * Added in WordPress 6.8 to simplify the block metadata registration process added in WordPress 6.7.
+	 *
+	 * @see https://make.wordpress.org/core/2025/03/13/more-efficient-block-type-registration-in-6-8/
+	 */
+	if ( function_exists( 'wp_register_block_types_from_metadata_collection' ) ) {
+		wp_register_block_types_from_metadata_collection( __DIR__ . '/build', __DIR__ . '/build/blocks-manifest.php' );
+		return;
+	}
+
+	/**
+	 * Registers the block(s) metadata from the `blocks-manifest.php` file.
+	 * Added to WordPress 6.7 to improve the performance of block type registration.
+	 *
+	 * @see https://make.wordpress.org/core/2024/10/17/new-block-type-registration-apis-to-improve-performance-in-wordpress-6-7/
+	 */
+	if ( function_exists( 'wp_register_block_metadata_collection' ) ) {
+		wp_register_block_metadata_collection( __DIR__ . '/build', __DIR__ . '/build/blocks-manifest.php' );
+	}
+	/**
+	 * Registers the block type(s) in the `blocks-manifest.php` file.
+	 *
+	 * @see https://developer.wordpress.org/reference/functions/register_block_type/
+	 */
+	$manifest_data = require __DIR__ . '/build/blocks-manifest.php';
+	foreach ( array_keys( $manifest_data ) as $block_type ) {
+		register_block_type( __DIR__ . "/build/{$block_type}" );
+	}
+}
+add_action( 'init', 'developer_showcase_dev_inspector_block_init' );