snapshot of https://github.com/ueberdosis/tiptap.git (main, 2026-09-15; blobs > 131072B omitted)

packages/html/src/server/generateHTML.ts

@@ -0,0 +1,34 @@
+import { type Extensions, type JSONContent, getSchema } from '@tiptap/core'
+import { Node as PMNode } from '@tiptap/pm/model'
+
+import { getHTMLFromFragment } from './getHTMLFromFragment.js'
+
+/**
+ * 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)
+}