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Inline Images

Using Next.js Image component for inline images and media entities in body fields.

To replace inline images and media entities added via a WYSIWYG editor, we can use an html parser to replace the `img` tags with the Next.js `Image` component.

Dependencies

Install html-react-parser.

yarn add html-react-parser

Component

Let's create a component to render a `text_long` (example: `node.body.processed`) field type.

components/body.tsx

import { HTMLReactParserOptions } from "html-react-parser"
import { Element } from "domhandler/lib/node"
import parse from "html-react-parser"
import Image from "next/image"


const options: HTMLReactParserOptions = {
  replace: (domNode) => {
    if (domNode instanceof Element && domNode.name === "img") {
      const { src, alt, width, height } = domNode.attribs


      return (
        <Image
          src={`${process.env.NEXT_PUBLIC_DRUPAL_BASE_URL}/${src}`}
          width={`${width}px`}
          height={`${height}px`}
          alt={alt}
          layout="intrinsic"
          objectFit="cover"
        />
      )
    }
  },
}


export function Body({ value }: { value: string }) {
  return <>{parse(value, options)}</>
}

We use `intrinsic` layout so that images scale down for smaller viewports but maintain the original dimensions for larger viewports.

Usage

pages/index.tsx

import { Body } from "components/body"


export default function Page({ node }) {
  return (
    <div variant="container">
      <h1>{node.title}</h1>
      <Body value={node.body.processed} /> 
    </div>
  )
}

Learn more about next/image.

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