ueberdosis/tiptap · error · Error

generateHTML can only be used in a Node environment If you w

Error message

generateHTML can only be used in a Node environment
If you want to use this in a browser environment, use the `@tiptap/html` import instead.

What it means

Error "generateHTML can only be used in a Node environment If you want to use this in a browser environment, use the `@tiptap/html` import instead." thrown in ueberdosis/tiptap.

Source

Thrown at packages/html/src/server/generateHTML.ts:25

 * This function generates HTML from a ProseMirror JSON content object.
 *
 * @remarks **Important**: This function requires `happy-dom` to be installed in your project.
 * @param doc - The ProseMirror JSON content object.
 * @param extensions - The Tiptap extensions used to build the schema.
 * @returns The generated HTML string.
 * @example
 * ```js
 * const html = generateHTML(doc, extensions)
 * console.log(html)
 * ```
 */
export function generateHTML(doc: JSONContent, extensions: Extensions): string {
  // Use positive Node.js detection to allow for jsdom/happy-dom environments in tests
  const isNode =
    typeof process !== 'undefined' && process.versions != null && process.versions.node != null

  if (!isNode) {
    throw new Error(
      'generateHTML can only be used in a Node environment\nIf you want to use this in a browser environment, use the `@tiptap/html` import instead.',
    )
  }

  const schema = getSchema(extensions)
  const contentNode = PMNode.fromJSON(schema, doc)

  return getHTMLFromFragment(contentNode, schema)
}

View on GitHub (pinned to 496d53afd7)

When it happens

Trigger: Thrown at packages/html/src/server/generateHTML.ts:25 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ueberdosis/tiptap@496d53afd7 (2026-08-26). Data as JSON: /api/errors/833f1e917b83adfd. Report an issue: GitHub.