feature: add generateJSON utility function to generate JSON from a HTML string

docs/src/demos/Guide/Content/GenerateJSON/index.spec.js

@@ -0,0 +1,7 @@
+context('/demos/Guide/Content/GenerateJSON', () => {
+  before(() => {
+    cy.visit('/demos/Guide/Content/GenerateJSON')
+  })
+
+  // TODO: Write tests
+})

docs/src/demos/Guide/Content/GenerateJSON/index.vue

@@ -0,0 +1,27 @@
+<template>
+  <pre><code>{{ output }}</code></pre>
+</template>
+
+<script>
+import { generateJSON } from '@tiptap/core'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+import Bold from '@tiptap/extension-bold'
+
+const html = '<p>Example <strong>Text</strong></p>'
+
+export default {
+  computed: {
+    output() {
+      return generateJSON(html, [
+        Document,
+        Paragraph,
+        Text,
+        Bold,
+        // other extensions …
+      ])
+    },
+  },
+}
+</script>