Function MarkdownHooks

lib/index.js:214–252

(options)

 *   React node.
 */
export function MarkdownHooks(options) {
  const processor = createProcessor(options)
  const [error, setError] = useState(
    /** @type {Error | undefined} */ (undefined)
  )
  const [tree, setTree] = useState(/** @type {Root | undefined} */ (undefined))

  useEffect(
    function () {
      let cancelled = false
      const file = createFile(options)

      processor.run(processor.parse(file), file, function (error, tree) {
        if (!cancelled) {
          setError(error)
          setTree(tree)
        }
      })

      /**
       * @returns {undefined}
       *   Nothing.
       */
      return function () {
        cancelled = true
      }
    },
    [
      options.children,
      options.rehypePlugins,
      options.remarkPlugins,
      options.remarkRehypeOptions
    ]
  )

  if (error) throw error

  return tree ? post(tree, options) : options.fallback
}

/**
 * Set up the `unified` processor.