gistfile1.txt

To embed a React component inside a Drupal 8 page template, you first need to create a React component and bundle it into a JavaScript file. Then, you can include the JavaScript file in your Drupal theme or module and use it in your page template.

Here’s an example of how to embed a React component inside a Drupal 8 page template:

1. Create a new React component called MyComponent in a JavaScript file, e.g. mycomponent.jsx:

import React from 'react';

class MyComponent extends React.Component {
  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
      </div>
    )
  }
}

export default MyComponent;


2. Bundle the component into a JavaScript file using a tool like Webpack or Browserify.

3. Include the JavaScript file in your Drupal theme or module using hook_page_attachments() in your .theme or .module file:

function mytheme_page_attachments(array &$attachments) {
  $attachments['#attached']['library'][] = 'mytheme/mycomponent';
}


4. Finally, use the React component in your Drupal page template, e.g. page.html.twig:

{# Embed the React component inside a div with the ID "my-component" #}
<div id="my-component"></div>

{# Include the JavaScript file that contains the React component #}
{{ attach_library('mytheme/mycomponent') }}

{# Initialize the React component in script tags #}
<script>
  ReactDOM.render(
    React.createElement(MyComponent),
    document.getElementById('my-component')
  );
</script>


In this example, the React component will be embedded inside a div with the ID "my-component" in the Drupal page template. The JavaScript file containing the component will be included using hook_page_attachments(), and the component will be initialized using the ReactDOM.render() method inside script tags.