CODE EXAMPLE FOR JAVASCRIPT

custom render contenful rich text rendering

Copyimport { documentToReactComponents } from '@contentful/rich-text-react-renderer';
import { BLOCKS } from '@contentful/rich-text-types';

// Create a bespoke renderOptions object to target BLOCKS.EMBEDDED_ENTRY (linked entries e.g. videoEmbed
// and BLOCKS.EMBEDDED_ASSET (linked assets e.g. images)

const renderOptions = {
  renderNode: {
    [BLOCKS.EMBEDDED_ENTRY]: (node, children) => {
      if (node.data.target.sys.contentType.sys.id === 'videoEmbed') {
        return (
          <iframe
            src={node.data.target.fields.embedUrl}
            height="100%"
            width="100%"
            frameBorder="0"
            scrolling="no"
            title={node.data.target.fields.title}
            allowFullScreen={true}
          />
        );
      }
    },

    [BLOCKS.EMBEDDED_ASSET]: (node, children) => {
      // render the EMBEDDED_ASSET as you need
      return (
        <img
          src={`https://${node.data.target.fields.file.url}`}
          height={node.data.target.fields.file.details.image.height}
          width={node.data.target.fields.file.details.image.width}
          alt={node.data.target.fields.description}
        />
      );
    },
  },
};

export default function RichTextResponse({ richTextResponse }) {
  return <>{documentToReactComponents(richTextResponse, renderOptions)}</>;
}