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How can I create custom Gutenberg blocks with React in WordPress?

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How can I create custom Gutenberg blocks with React in WordPress?

Asked on Feb 17, 2026

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Creating custom Gutenberg blocks with React in WordPress involves using the Block Editor's JavaScript APIs. This process allows developers to extend WordPress functionality with custom block types.

<!-- BEGIN COPY / PASTE -->
    // Register a new block type
    wp.blocks.registerBlockType('my-plugin/custom-block', {
      title: 'Custom Block',
      icon: 'smiley',
      category: 'common',
      edit: function(props) {
        return wp.element.createElement(
          'div',
          { className: props.className },
          'Hello, World!'
        );
      },
      save: function(props) {
        return wp.element.createElement(
          'div',
          { className: props.className },
          'Hello, World!'
        );
      }
    });
    <!-- END COPY / PASTE -->

Additional Comment:

Ensure you have Node.js and npm installed to manage dependencies and build processes.
Use the WordPress @wordpress/scripts package to simplify the setup of build tools like webpack and Babel.
Place your block registration code in a JavaScript file and enqueue it using the wp_enqueue_script function in your theme or plugin.
Consider using the create-guten-block toolkit for a streamlined block development setup.

✅ Answered with WordPress best practices.

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How can I create custom Gutenberg blocks with React in WordPress?

Asked on Feb 17, 2026

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