diff --git a/docs/src/demos/Api/Schema/GenerateHTML/index.vue b/docs/src/demos/Api/Schema/GenerateHTML/index.vue
index b0a6eda4..1fa55904 100644
--- a/docs/src/demos/Api/Schema/GenerateHTML/index.vue
+++ b/docs/src/demos/Api/Schema/GenerateHTML/index.vue
@@ -27,9 +27,9 @@ export default {
 
   mounted() {
     this.html = generateHTML(this.json, [
-      Document(),
-      Paragraph(),
-      Text(),
+      Document,
+      Paragraph,
+      Text,
     ])
   },
 }
diff --git a/docs/src/demos/Examples/CollaborativeEditing/index.vue b/docs/src/demos/Examples/CollaborativeEditing/index.vue
index 36403f81..f1be445c 100644
--- a/docs/src/demos/Examples/CollaborativeEditing/index.vue
+++ b/docs/src/demos/Examples/CollaborativeEditing/index.vue
@@ -135,11 +135,11 @@ export default {
     this.editor = new Editor({
       extensions: [
         ...defaultExtensions(),
-        Collaboration({
+        Collaboration.set({
           provider: this.provider,
           type: this.type,
         }),
-        CollaborationCursor({
+        CollaborationCursor.set({
           provider: this.provider,
           name: this.name,
           color: this.color,
diff --git a/docs/src/demos/Examples/Formatting/index.vue b/docs/src/demos/Examples/Formatting/index.vue
index ce9c2a99..a42d1dbd 100644
--- a/docs/src/demos/Examples/Formatting/index.vue
+++ b/docs/src/demos/Examples/Formatting/index.vue
@@ -61,16 +61,16 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Heading({
+        Document,
+        Paragraph,
+        Text,
+        Heading.set({
           level: [1, 2, 3],
         }),
-        Bold(),
-        Italic(),
-        TextAlign(),
-        HardBreak(),
+        Bold,
+        Italic,
+        TextAlign,
+        HardBreak,
       ],
       content: `
         <h3>Girls Just Want to Have Fun (Cyndi Lauper)</h2>
diff --git a/docs/src/demos/Examples/Links/index.vue b/docs/src/demos/Examples/Links/index.vue
index 933dd0f8..6bb39c7d 100644
--- a/docs/src/demos/Examples/Links/index.vue
+++ b/docs/src/demos/Examples/Links/index.vue
@@ -32,10 +32,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Link(),
+        Document,
+        Paragraph,
+        Text,
+        Link,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Examples/MarkdownShortcuts/index.vue b/docs/src/demos/Examples/MarkdownShortcuts/index.vue
index 5bd851c1..c5f69fb3 100644
--- a/docs/src/demos/Examples/MarkdownShortcuts/index.vue
+++ b/docs/src/demos/Examples/MarkdownShortcuts/index.vue
@@ -37,7 +37,7 @@ export default {
       `,
       extensions: [
         ...defaultExtensions(),
-        Highlight(),
+        Highlight,
       ],
     })
   },
diff --git a/docs/src/demos/Examples/Minimalist/index.vue b/docs/src/demos/Examples/Minimalist/index.vue
index 8f53dc21..8eeccee3 100644
--- a/docs/src/demos/Examples/Minimalist/index.vue
+++ b/docs/src/demos/Examples/Minimalist/index.vue
@@ -22,9 +22,9 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
+        Document,
+        Paragraph,
+        Text,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Examples/TodoApp/index.vue b/docs/src/demos/Examples/TodoApp/index.vue
index 702d9499..f72fd71a 100644
--- a/docs/src/demos/Examples/TodoApp/index.vue
+++ b/docs/src/demos/Examples/TodoApp/index.vue
@@ -35,11 +35,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        CustomDocument(),
-        Paragraph(),
-        Text(),
-        TaskList(),
-        CustomTaskItem(),
+        CustomDocument,
+        Paragraph,
+        Text,
+        TaskList,
+        CustomTaskItem,
       ],
       content: `
         <ul data-type="taskList">
diff --git a/docs/src/demos/ExtensionConfiguration/index.vue b/docs/src/demos/ExtensionConfiguration/index.vue
index 5aba7929..01231a4f 100644
--- a/docs/src/demos/ExtensionConfiguration/index.vue
+++ b/docs/src/demos/ExtensionConfiguration/index.vue
@@ -26,10 +26,10 @@ export default {
     this.editor = new Editor({
       content: '<p>I’m running tiptap with Vue.js. This demo is interactive, try to edit the text.</p>',
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Bold(),
+        Document,
+        Paragraph,
+        Text,
+        Bold,
       ],
     })
   },
diff --git a/docs/src/demos/Extensions/Collaboration/index.vue b/docs/src/demos/Extensions/Collaboration/index.vue
index 7a95586a..73d8e929 100644
--- a/docs/src/demos/Extensions/Collaboration/index.vue
+++ b/docs/src/demos/Extensions/Collaboration/index.vue
@@ -37,10 +37,10 @@ export default {
       //   <p>Example Text</p>
       // `,
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Collaboration({
+        Document,
+        Paragraph,
+        Text,
+        Collaboration.set({
           provider: this.provider,
           type: this.type,
         }),
diff --git a/docs/src/demos/Extensions/CollaborationCursor/index.vue b/docs/src/demos/Extensions/CollaborationCursor/index.vue
index a7314bdf..ed764a06 100644
--- a/docs/src/demos/Extensions/CollaborationCursor/index.vue
+++ b/docs/src/demos/Extensions/CollaborationCursor/index.vue
@@ -38,14 +38,14 @@ export default {
       //   <p>Example Text</p>
       // `,
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Collaboration({
+        Document,
+        Paragraph,
+        Text,
+        Collaboration.set({
           provider: this.provider,
           type: this.type,
         }),
-        CollaborationCursor({
+        CollaborationCursor.set({
           provider: this.provider,
           name: 'Cyndi Lauper',
           color: '#f783ac',
diff --git a/docs/src/demos/Extensions/Dropcursor/index.vue b/docs/src/demos/Extensions/Dropcursor/index.vue
index 613f754d..4414f5c1 100644
--- a/docs/src/demos/Extensions/Dropcursor/index.vue
+++ b/docs/src/demos/Extensions/Dropcursor/index.vue
@@ -26,11 +26,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Image(),
-        Dropcursor(),
+        Document,
+        Paragraph,
+        Text,
+        Image,
+        Dropcursor,
       ],
       content: `
         <p>Try to drag around the image. While you drag, the editor should show a decoration under your cursor. The so called dropcursor.</p>
diff --git a/docs/src/demos/Extensions/Focus/index.vue b/docs/src/demos/Extensions/Focus/index.vue
index fa38363e..7da2bc89 100644
--- a/docs/src/demos/Extensions/Focus/index.vue
+++ b/docs/src/demos/Extensions/Focus/index.vue
@@ -28,16 +28,16 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Focus({
+        Document,
+        Paragraph,
+        Text,
+        Focus.set({
           className: 'has-focus',
           nested: true,
         }),
-        Code(),
-        BulletList(),
-        ListItem(),
+        Code,
+        BulletList,
+        ListItem,
       ],
       autoFocus: true,
       content: `
diff --git a/docs/src/demos/Extensions/FontFamily/index.vue b/docs/src/demos/Extensions/FontFamily/index.vue
index a76515b3..b2a43a4a 100644
--- a/docs/src/demos/Extensions/FontFamily/index.vue
+++ b/docs/src/demos/Extensions/FontFamily/index.vue
@@ -46,11 +46,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        TextStyle(),
-        FontFamily(),
+        Document,
+        Paragraph,
+        Text,
+        TextStyle,
+        FontFamily,
       ],
       content: `
         <p><span style="font-family: Inter">Did you know that Inter is a really nice font for interfaces?</span></p>
diff --git a/docs/src/demos/Extensions/Gapcursor/index.vue b/docs/src/demos/Extensions/Gapcursor/index.vue
index ce5a475d..1abcee45 100644
--- a/docs/src/demos/Extensions/Gapcursor/index.vue
+++ b/docs/src/demos/Extensions/Gapcursor/index.vue
@@ -26,11 +26,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Image(),
-        Gapcursor(),
+        Document,
+        Paragraph,
+        Text,
+        Image,
+        Gapcursor,
       ],
       content: `
         <p>Try to set the cursor behind the image with your arrow keys! You should see big blinking cursor right from the image. This is the gapcursor.</p>
diff --git a/docs/src/demos/Extensions/History/index.vue b/docs/src/demos/Extensions/History/index.vue
index b44d168e..3946b239 100644
--- a/docs/src/demos/Extensions/History/index.vue
+++ b/docs/src/demos/Extensions/History/index.vue
@@ -33,10 +33,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        History(),
+        Document,
+        Paragraph,
+        Text,
+        History,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Extensions/TextAlign/index.vue b/docs/src/demos/Extensions/TextAlign/index.vue
index 8b5e963a..c7ff0694 100644
--- a/docs/src/demos/Extensions/TextAlign/index.vue
+++ b/docs/src/demos/Extensions/TextAlign/index.vue
@@ -42,11 +42,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Heading(),
-        TextAlign(),
+        Document,
+        Paragraph,
+        Text,
+        Heading,
+        TextAlign,
       ],
       content: `
         <h2>Heading</h2>
diff --git a/docs/src/demos/Extensions/Typography/index.vue b/docs/src/demos/Extensions/Typography/index.vue
index f4b01a5e..622b0e0e 100644
--- a/docs/src/demos/Extensions/Typography/index.vue
+++ b/docs/src/demos/Extensions/Typography/index.vue
@@ -25,10 +25,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Typography(),
+        Document,
+        Paragraph,
+        Text,
+        Typography,
       ],
       content: `
         <p>“I have been suffering from Typomania all my life, a sickness that is incurable but not lethal.”</p>
diff --git a/docs/src/demos/Guide/BuildYourEditor/index.vue b/docs/src/demos/Guide/BuildYourEditor/index.vue
index 07fa9eb5..5229d4c9 100644
--- a/docs/src/demos/Guide/BuildYourEditor/index.vue
+++ b/docs/src/demos/Guide/BuildYourEditor/index.vue
@@ -55,15 +55,15 @@ export default {
     this.editor = new Editor({
       content: '<h2>Hey there!</h2><p>This editor is based on Prosemirror, fully extendable and headless. You can easily add custom nodes as Vue components.</p>',
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        CodeBlock(),
-        History(),
-        Bold(),
-        Italic(),
-        Code(),
-        Heading(),
+        Document,
+        Paragraph,
+        Text,
+        CodeBlock,
+        History,
+        Bold,
+        Italic,
+        Code,
+        Heading,
       ],
     })
   },
diff --git a/docs/src/demos/Marks/Bold/index.vue b/docs/src/demos/Marks/Bold/index.vue
index 8cc71857..4639ece4 100644
--- a/docs/src/demos/Marks/Bold/index.vue
+++ b/docs/src/demos/Marks/Bold/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Bold(),
+        Document,
+        Paragraph,
+        Text,
+        Bold,
       ],
       content: `
         <p>This isn’t bold.</p>
diff --git a/docs/src/demos/Marks/Code/index.vue b/docs/src/demos/Marks/Code/index.vue
index 78d782dd..ac874df5 100644
--- a/docs/src/demos/Marks/Code/index.vue
+++ b/docs/src/demos/Marks/Code/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Code(),
+        Document,
+        Paragraph,
+        Text,
+        Code,
       ],
       content: `
         <p>This isn’t code.</p>
diff --git a/docs/src/demos/Marks/Highlight/index.vue b/docs/src/demos/Marks/Highlight/index.vue
index 1028d415..1d766605 100644
--- a/docs/src/demos/Marks/Highlight/index.vue
+++ b/docs/src/demos/Marks/Highlight/index.vue
@@ -61,10 +61,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Highlight(),
+        Document,
+        Paragraph,
+        Text,
+        Highlight,
       ],
       content: `
           <p>This isn’t highlighted.</s></p>
diff --git a/docs/src/demos/Marks/Italic/index.vue b/docs/src/demos/Marks/Italic/index.vue
index ae605f45..c736e023 100644
--- a/docs/src/demos/Marks/Italic/index.vue
+++ b/docs/src/demos/Marks/Italic/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Italic(),
+        Document,
+        Paragraph,
+        Text,
+        Italic,
       ],
       content: `
         <p>This isn’t italic.</p>
diff --git a/docs/src/demos/Marks/Link/index.vue b/docs/src/demos/Marks/Link/index.vue
index 4297b8c1..296f6e8c 100644
--- a/docs/src/demos/Marks/Link/index.vue
+++ b/docs/src/demos/Marks/Link/index.vue
@@ -32,10 +32,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Link(),
+        Document,
+        Paragraph,
+        Text,
+        Link,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Marks/Strike/index.vue b/docs/src/demos/Marks/Strike/index.vue
index eb5ab579..c3dc75d0 100644
--- a/docs/src/demos/Marks/Strike/index.vue
+++ b/docs/src/demos/Marks/Strike/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Strike(),
+        Document,
+        Paragraph,
+        Text,
+        Strike,
       ],
       content: `
           <p>This isn’t striked through.</s></p>
diff --git a/docs/src/demos/Marks/TextStyle/index.vue b/docs/src/demos/Marks/TextStyle/index.vue
index 32cfbe85..40a06983 100644
--- a/docs/src/demos/Marks/TextStyle/index.vue
+++ b/docs/src/demos/Marks/TextStyle/index.vue
@@ -26,10 +26,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        TextStyle(),
+        Document,
+        Paragraph,
+        Text,
+        TextStyle,
       ],
       content: `
         <p><span>This has a &lt;span&gt; tag without a style attribute, so it’s thrown away.</span></p>
diff --git a/docs/src/demos/Marks/Underline/index.vue b/docs/src/demos/Marks/Underline/index.vue
index 1ea31b47..a1511948 100644
--- a/docs/src/demos/Marks/Underline/index.vue
+++ b/docs/src/demos/Marks/Underline/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Underline(),
+        Document,
+        Paragraph,
+        Text,
+        Underline,
       ],
       content: `
         <p>There is no underline here.</p>
diff --git a/docs/src/demos/Nodes/Blockquote/index.vue b/docs/src/demos/Nodes/Blockquote/index.vue
index 4f584035..15148420 100644
--- a/docs/src/demos/Nodes/Blockquote/index.vue
+++ b/docs/src/demos/Nodes/Blockquote/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Blockquote(),
+        Document,
+        Paragraph,
+        Text,
+        Blockquote,
       ],
       content: `
           <blockquote>
diff --git a/docs/src/demos/Nodes/BulletList/index.vue b/docs/src/demos/Nodes/BulletList/index.vue
index 70491f71..c501ef12 100644
--- a/docs/src/demos/Nodes/BulletList/index.vue
+++ b/docs/src/demos/Nodes/BulletList/index.vue
@@ -31,11 +31,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        BulletList(),
-        ListItem(),
+        Document,
+        Paragraph,
+        Text,
+        BulletList,
+        ListItem,
       ],
       content: `
         <ul>
diff --git a/docs/src/demos/Nodes/CodeBlock/index.vue b/docs/src/demos/Nodes/CodeBlock/index.vue
index 9eb2b818..4da9c34e 100644
--- a/docs/src/demos/Nodes/CodeBlock/index.vue
+++ b/docs/src/demos/Nodes/CodeBlock/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        CodeBlock(),
+        Document,
+        Paragraph,
+        Text,
+        CodeBlock,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Nodes/Document/index.vue b/docs/src/demos/Nodes/Document/index.vue
index 349a817e..18afe7bf 100644
--- a/docs/src/demos/Nodes/Document/index.vue
+++ b/docs/src/demos/Nodes/Document/index.vue
@@ -25,9 +25,9 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
+        Document,
+        Paragraph,
+        Text,
       ],
       content: `
         <p>The Document extension is required. Though, you can write your own implementation, e. g. to give it custom name.</p>
diff --git a/docs/src/demos/Nodes/HardBreak/index.vue b/docs/src/demos/Nodes/HardBreak/index.vue
index 8eed497b..ea2bee88 100644
--- a/docs/src/demos/Nodes/HardBreak/index.vue
+++ b/docs/src/demos/Nodes/HardBreak/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        HardBreak(),
+        Document,
+        Paragraph,
+        Text,
+        HardBreak,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Nodes/Heading/index.vue b/docs/src/demos/Nodes/Heading/index.vue
index ce4e0f43..2f8c474d 100644
--- a/docs/src/demos/Nodes/Heading/index.vue
+++ b/docs/src/demos/Nodes/Heading/index.vue
@@ -36,10 +36,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Heading({
+        Document,
+        Paragraph,
+        Text,
+        Heading.set({
           levels: [1, 2, 3],
         }),
       ],
diff --git a/docs/src/demos/Nodes/HorizontalRule/index.vue b/docs/src/demos/Nodes/HorizontalRule/index.vue
index 4b4f23e2..a2743866 100644
--- a/docs/src/demos/Nodes/HorizontalRule/index.vue
+++ b/docs/src/demos/Nodes/HorizontalRule/index.vue
@@ -30,10 +30,10 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        HorizontalRule(),
+        Document,
+        Paragraph,
+        Text,
+        HorizontalRule,
       ],
       content: `
         <p>This is a paragraph.</p>
diff --git a/docs/src/demos/Nodes/Image/index.vue b/docs/src/demos/Nodes/Image/index.vue
index a101cda5..143b1322 100644
--- a/docs/src/demos/Nodes/Image/index.vue
+++ b/docs/src/demos/Nodes/Image/index.vue
@@ -38,11 +38,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        Image(),
-        Dropcursor(),
+        Document,
+        Paragraph,
+        Text,
+        Image,
+        Dropcursor,
       ],
       content: `
         <p>This is a basic example of implementing images. Drag to re-order.</p>
diff --git a/docs/src/demos/Nodes/ListItem/index.vue b/docs/src/demos/Nodes/ListItem/index.vue
index 86137256..9cc93b50 100644
--- a/docs/src/demos/Nodes/ListItem/index.vue
+++ b/docs/src/demos/Nodes/ListItem/index.vue
@@ -35,12 +35,12 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        BulletList(),
-        OrderedList(),
-        ListItem(),
+        Document,
+        Paragraph,
+        Text,
+        BulletList,
+        OrderedList,
+        ListItem,
       ],
       content: `
         <p>
diff --git a/docs/src/demos/Nodes/OrderedList/index.vue b/docs/src/demos/Nodes/OrderedList/index.vue
index 0677b451..45eda95c 100644
--- a/docs/src/demos/Nodes/OrderedList/index.vue
+++ b/docs/src/demos/Nodes/OrderedList/index.vue
@@ -31,11 +31,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        OrderedList(),
-        ListItem(),
+        Document,
+        Paragraph,
+        Text,
+        OrderedList,
+        ListItem,
       ],
       content: `
         <ol>
diff --git a/docs/src/demos/Nodes/Paragraph/index.vue b/docs/src/demos/Nodes/Paragraph/index.vue
index 971711b8..f296f183 100644
--- a/docs/src/demos/Nodes/Paragraph/index.vue
+++ b/docs/src/demos/Nodes/Paragraph/index.vue
@@ -25,9 +25,9 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
+        Document,
+        Paragraph,
+        Text,
       ],
       content: `
         <p>The Paragraph extension is not required, but it’s very likely you want to use it. It’s needed to write paragraphs of text. 🤓</p>
diff --git a/docs/src/demos/Nodes/TaskItem/index.vue b/docs/src/demos/Nodes/TaskItem/index.vue
index db0385f3..4e279bc3 100644
--- a/docs/src/demos/Nodes/TaskItem/index.vue
+++ b/docs/src/demos/Nodes/TaskItem/index.vue
@@ -27,11 +27,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        TaskList(),
-        TaskItem(),
+        Document,
+        Paragraph,
+        Text,
+        TaskList,
+        TaskItem,
       ],
       content: `
         <ul data-type="task_list">
diff --git a/docs/src/demos/Nodes/TaskList/index.vue b/docs/src/demos/Nodes/TaskList/index.vue
index 6baf52e5..4627bc7b 100644
--- a/docs/src/demos/Nodes/TaskList/index.vue
+++ b/docs/src/demos/Nodes/TaskList/index.vue
@@ -31,11 +31,11 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
-        TaskList(),
-        TaskItem(),
+        Document,
+        Paragraph,
+        Text,
+        TaskList,
+        TaskItem,
       ],
       content: `
         <ul data-type="task_list">
diff --git a/docs/src/demos/Nodes/Text/index.vue b/docs/src/demos/Nodes/Text/index.vue
index a3557624..af5648d5 100644
--- a/docs/src/demos/Nodes/Text/index.vue
+++ b/docs/src/demos/Nodes/Text/index.vue
@@ -25,9 +25,9 @@ export default {
   mounted() {
     this.editor = new Editor({
       extensions: [
-        Document(),
-        Paragraph(),
-        Text(),
+        Document,
+        Paragraph,
+        Text,
       ],
       content: `
         <p>The Text extension is required, at least if you want to have text in your text editor and that’s very likely.</p>
diff --git a/packages/core/src/Editor.ts b/packages/core/src/Editor.ts
index 8757cabb..7350a28c 100644
--- a/packages/core/src/Editor.ts
+++ b/packages/core/src/Editor.ts
@@ -14,6 +14,9 @@ import createStyleTag from './utils/createStyleTag'
 import CommandManager from './CommandManager'
 import ExtensionManager from './ExtensionManager'
 import EventEmitter from './EventEmitter'
+import { Extension } from './Extension'
+import { NodeExtension } from './NodeExtension'
+import { MarkExtension } from './MarkExtension'
 import { Extensions, UnionToIntersection, PickValue } from './types'
 import * as extensions from './extensions'
 import style from './style'
@@ -37,7 +40,62 @@ export interface CommandsSpec {
 
 export interface AllExtensions {}
 
-export type AllCommands = UnionToIntersection<ReturnType<PickValue<ReturnType<AllExtensions[keyof AllExtensions]>, 'addCommands'>>>
+// type names = AllExtensions[keyof AllExtensions]
+// type onlyExtensions = AllExtensions[keyof AllExtensions] extends Extension ? '1' : '0'
+// type onlyExtensions = AllExtensions[keyof AllExtensions extends Extension ? '1' : '0']
+
+// export type OnlyExtensions = {
+//   [Item in keyof AllExtensions]: AllExtensions[Item] extends Extension
+//   ? AllExtensions[Item]
+//   : never
+// }
+
+// type ExtractCat<A> = A extends Extension ? A : never
+
+// export type OnlyExtensions = ExtractCat<Item in keyof AllExtensions>
+
+// type ExtractCommands<G> = G extends Extension<any, infer S> ? S : never
+// type Test = UnionToIntersection<ExtractCommands<OnlyExtensions[keyof OnlyExtensions]>>
+
+// type SubType<Base, Condition> = Pick<Base, {
+//   [Key in keyof Base]: Base[Key] extends Condition ? Key : never
+// }[keyof Base]>;
+
+// type OnlyExtensions = SubType<AllExtensions, Extension>
+// type ExtractCommands<G> = G extends Extension<any, infer S> ? S : never
+// type Test = ExtractCommands<OnlyExtensions[keyof OnlyExtensions]>
+
+// type ExtractCommands<G> = G extends Extension<any, infer S>
+//   ? never
+//   : G extends NodeExtension<any, infer T>
+//     ? never
+//     : G extends MarkExtension<any, infer U>
+//       ? U
+//       : never
+
+// export type Bla = {
+//   [Item in keyof AllExtensions]: AllExtensions[Item] extends Extension<any, infer S>
+//     ? S
+//     : AllExtensions[Item] extends NodeExtension<any, infer T>
+//       ? T
+//       : AllExtensions[Item] extends MarkExtension<any, infer U>
+//         ? U
+//         : never
+// }
+
+export type Bla = {
+  [Item in keyof AllExtensions]: AllExtensions[Item] extends Extension<any, infer ExtensionCommands>
+    ? ExtensionCommands
+    : AllExtensions[Item] extends NodeExtension<any, infer NodeExtensionCommands>
+      ? NodeExtensionCommands
+      : AllExtensions[Item] extends MarkExtension<any, infer MarkExtensionCommands>
+        ? MarkExtensionCommands
+        : never
+}
+
+type ValuesOf<T> = T[keyof T];
+type KeysWithTypeOf<T, Type> = ({[P in keyof T]: T[P] extends Type ? P : never })[keyof T]
+type AllCommands = UnionToIntersection<ValuesOf<Pick<Bla, KeysWithTypeOf<Bla, {}>>>>
 
 export type SingleCommands = {
   [Item in keyof AllCommands]: AllCommands[Item] extends (...args: any[]) => any
@@ -239,7 +297,7 @@ export class Editor extends EventEmitter {
    * Creates an extension manager.
    */
   private createExtensionManager() {
-    const coreExtensions = Object.entries(extensions).map(([, extension]) => extension())
+    const coreExtensions = Object.entries(extensions).map(([, extension]) => extension)
     const allExtensions = [...this.options.extensions, ...coreExtensions]
 
     this.extensionManager = new ExtensionManager(allExtensions, this.proxy)
diff --git a/packages/core/src/Extension.ts b/packages/core/src/Extension.ts
index 48d23b4e..aec32953 100644
--- a/packages/core/src/Extension.ts
+++ b/packages/core/src/Extension.ts
@@ -63,55 +63,6 @@ export interface ExtensionSpec<Options = any, Commands = {}> {
   }) => Plugin[],
 }
 
-// /**
-//  * Extension interface for internal usage
-//  */
-// export type Extension = Required<Omit<ExtensionSpec, 'defaultOptions'> & {
-//   type: string,
-//   options: {
-//     [key: string]: any
-//   },
-// }>
-
-// /**
-//  * Default extension
-//  */
-// export const defaultExtension: Extension = {
-//   name: 'extension',
-//   type: 'extension',
-//   options: {},
-//   addGlobalAttributes: () => [],
-//   addCommands: () => ({}),
-//   addKeyboardShortcuts: () => ({}),
-//   addInputRules: () => [],
-//   addPasteRules: () => [],
-//   addProseMirrorPlugins: () => [],
-// }
-
-// export function createExtension<Options extends {}, Commands extends {}>(config: ExtensionSpec<Options, Commands>) {
-//   const extend = <ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<ExtensionSpec<ExtendedOptions, ExtendedCommands>>) => {
-//     return createExtension({
-//       ...config,
-//       ...extendedConfig,
-//     } as ExtensionSpec<ExtendedOptions, ExtendedCommands>)
-//   }
-
-//   const setOptions = (options?: Partial<Options>) => {
-//     const { defaultOptions, ...rest } = config
-
-//     return {
-//       ...defaultExtension,
-//       ...rest,
-//       options: {
-//         ...defaultOptions,
-//         ...options,
-//       } as Options,
-//     }
-//   }
-
-//   return Object.assign(setOptions, { config, extend })
-// }
-
 export class Extension<Options = any, Commands = any> {
   config: Required<ExtensionSpec> = {
     name: 'extension',
@@ -144,6 +95,8 @@ export class Extension<Options = any, Commands = any> {
       ...this.config.defaultOptions,
       ...options,
     }
+
+    return this
   }
 
   extend<ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<ExtensionSpec<ExtendedOptions, ExtendedCommands>>) {
diff --git a/packages/core/src/ExtensionManager.ts b/packages/core/src/ExtensionManager.ts
index 5c6ea347..eb10635a 100644
--- a/packages/core/src/ExtensionManager.ts
+++ b/packages/core/src/ExtensionManager.ts
@@ -28,10 +28,10 @@ export default class ExtensionManager {
       const context = {
         options: extension.options,
         editor: this.editor,
-        type: getSchemaTypeByName(extension.name, this.schema),
+        type: getSchemaTypeByName(extension.config.name, this.schema),
       }
 
-      const commands = extension.addCommands.bind(context)()
+      const commands = extension.config.addCommands.bind(context)()
 
       editor.registerCommands(commands)
     })
@@ -43,10 +43,10 @@ export default class ExtensionManager {
         const context = {
           options: extension.options,
           editor: this.editor,
-          type: getSchemaTypeByName(extension.name, this.schema),
+          type: getSchemaTypeByName(extension.config.name, this.schema),
         }
 
-        return extension.addProseMirrorPlugins.bind(context)()
+        return extension.config.addProseMirrorPlugins.bind(context)()
       })
       .flat()
 
@@ -64,10 +64,10 @@ export default class ExtensionManager {
         const context = {
           options: extension.options,
           editor: this.editor,
-          type: getSchemaTypeByName(extension.name, this.schema),
+          type: getSchemaTypeByName(extension.config.name, this.schema),
         }
 
-        return extension.addInputRules.bind(context)()
+        return extension.config.addInputRules.bind(context)()
       })
       .flat()
   }
@@ -78,10 +78,10 @@ export default class ExtensionManager {
         const context = {
           options: extension.options,
           editor: this.editor,
-          type: getSchemaTypeByName(extension.name, this.schema),
+          type: getSchemaTypeByName(extension.config.name, this.schema),
         }
 
-        return extension.addPasteRules.bind(context)()
+        return extension.config.addPasteRules.bind(context)()
       })
       .flat()
   }
@@ -91,10 +91,10 @@ export default class ExtensionManager {
       const context = {
         options: extension.options,
         editor: this.editor,
-        type: getSchemaTypeByName(extension.name, this.schema),
+        type: getSchemaTypeByName(extension.config.name, this.schema),
       }
 
-      return keymap(extension.addKeyboardShortcuts.bind(context)())
+      return keymap(extension.config.addKeyboardShortcuts.bind(context)())
     })
   }
 
@@ -104,17 +104,17 @@ export default class ExtensionManager {
     const allAttributes = getAttributesFromExtensions(this.extensions)
 
     return Object.fromEntries(nodeExtensions
-      .filter(extension => !!extension.addNodeView)
+      .filter(extension => !!extension.config.addNodeView)
       .map(extension => {
-        const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.name)
+        const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.config.name)
         const context = {
           options: extension.options,
           editor,
-          type: getSchemaTypeByName(extension.name, this.schema),
+          type: getSchemaTypeByName(extension.config.name, this.schema),
         }
 
         // @ts-ignore
-        const renderer = extension.addNodeView?.bind(context)?.() as NodeViewRenderer
+        const renderer = extension.config.addNodeView?.bind(context)?.() as NodeViewRenderer
 
         const nodeview = (
           node: ProsemirrorNode,
@@ -133,7 +133,7 @@ export default class ExtensionManager {
           })
         }
 
-        return [extension.name, nodeview]
+        return [extension.config.name, nodeview]
       }))
   }
 
diff --git a/packages/core/src/MarkExtension.ts b/packages/core/src/MarkExtension.ts
index 971ba1a9..64a7e9e6 100644
--- a/packages/core/src/MarkExtension.ts
+++ b/packages/core/src/MarkExtension.ts
@@ -106,51 +106,7 @@ export interface MarkExtensionSpec<Options = any, Commands = {}> extends Overwri
   }) => Plugin[],
 }> {}
 
-// export type MarkExtension = Required<Omit<MarkExtensionSpec, 'defaultOptions'> & {
-//   type: string,
-//   options: {
-//     [key: string]: any
-//   },
-// }>
-
-// const defaultMark: MarkExtension = {
-//   ...defaultExtension,
-//   type: 'mark',
-//   name: 'mark',
-//   inclusive: null,
-//   excludes: null,
-//   group: null,
-//   spanning: null,
-//   parseHTML: () => null,
-//   renderHTML: null,
-//   addAttributes: () => ({}),
-// }
-
-// export function createMark<Options extends {}, Commands extends {}>(config: MarkExtensionSpec<Options, Commands>) {
-//   const extend = <ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<MarkExtensionSpec<ExtendedOptions, ExtendedCommands>>) => {
-//     return createMark({
-//       ...config,
-//       ...extendedConfig,
-//     } as MarkExtensionSpec<ExtendedOptions, ExtendedCommands>)
-//   }
-
-//   const setOptions = (options?: Partial<Options>) => {
-//     const { defaultOptions, ...rest } = config
-
-//     return {
-//       ...defaultMark,
-//       ...rest,
-//       options: {
-//         ...defaultOptions,
-//         ...options,
-//       } as Options,
-//     }
-//   }
-
-//   return Object.assign(setOptions, { config, extend })
-// }
-
-export class MarkExtension<Options = any, Commands = any> {
+export class MarkExtension<Options = any, Commands = {}> {
   config: Required<MarkExtensionSpec> = {
     name: 'mark',
     defaultOptions: {},
@@ -189,6 +145,8 @@ export class MarkExtension<Options = any, Commands = any> {
       ...this.config.defaultOptions,
       ...options,
     }
+
+    return this
   }
 
   extend<ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<MarkExtensionSpec<ExtendedOptions, ExtendedCommands>>) {
diff --git a/packages/core/src/NodeExtension.ts b/packages/core/src/NodeExtension.ts
index 92a9e05f..79991887 100644
--- a/packages/core/src/NodeExtension.ts
+++ b/packages/core/src/NodeExtension.ts
@@ -150,59 +150,7 @@ export interface NodeExtensionSpec<Options = any, Commands = {}> extends Overwri
   }) => NodeViewRenderer) | null,
 }> {}
 
-// export type NodeExtension = Required<Omit<NodeExtensionSpec, 'defaultOptions'> & {
-//   type: string,
-//   options: {
-//     [key: string]: any
-//   },
-// }>
-
-// const defaultNode: NodeExtension = {
-//   ...defaultExtension,
-//   type: 'node',
-//   name: 'node',
-//   topNode: false,
-//   content: null,
-//   marks: null,
-//   group: null,
-//   inline: null,
-//   atom: null,
-//   selectable: null,
-//   draggable: null,
-//   code: null,
-//   defining: null,
-//   isolating: null,
-//   parseHTML: () => null,
-//   renderHTML: null,
-//   addAttributes: () => ({}),
-//   addNodeView: null,
-// }
-
-// export function createNode<Options extends {}, Commands extends {}>(config: NodeExtensionSpec<Options, Commands>) {
-//   const extend = <ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<NodeExtensionSpec<ExtendedOptions, ExtendedCommands>>) => {
-//     return createNode({
-//       ...config,
-//       ...extendedConfig,
-//     } as NodeExtensionSpec<ExtendedOptions, ExtendedCommands>)
-//   }
-
-//   const setOptions = (options?: Partial<Options>) => {
-//     const { defaultOptions, ...rest } = config
-
-//     return {
-//       ...defaultNode,
-//       ...rest,
-//       options: {
-//         ...defaultOptions,
-//         ...options,
-//       } as Options,
-//     }
-//   }
-
-//   return Object.assign(setOptions, { config, extend })
-// }
-
-export class NodeExtension<Options = any, Commands = any> {
+export class NodeExtension<Options = any, Commands = {}> {
   config: Required<NodeExtensionSpec> = {
     name: 'node',
     defaultOptions: {},
@@ -249,6 +197,8 @@ export class NodeExtension<Options = any, Commands = any> {
       ...this.config.defaultOptions,
       ...options,
     }
+
+    return this
   }
 
   extend<ExtendedOptions = Options, ExtendedCommands = Commands>(extendedConfig: Partial<NodeExtensionSpec<ExtendedOptions, ExtendedCommands>>) {
diff --git a/packages/core/src/utils/getAttributesFromExtensions.ts b/packages/core/src/utils/getAttributesFromExtensions.ts
index 62a327c3..389d435a 100644
--- a/packages/core/src/utils/getAttributesFromExtensions.ts
+++ b/packages/core/src/utils/getAttributesFromExtensions.ts
@@ -27,7 +27,7 @@ export default function getAttributesFromExtensions(extensions: Extensions) {
       options: extension.options,
     }
 
-    const globalAttributes = extension.addGlobalAttributes.bind(context)() as GlobalAttributes
+    const globalAttributes = extension.config.addGlobalAttributes.bind(context)() as GlobalAttributes
 
     globalAttributes.forEach(globalAttribute => {
       globalAttribute.types.forEach(type => {
@@ -52,13 +52,13 @@ export default function getAttributesFromExtensions(extensions: Extensions) {
       options: extension.options,
     }
 
-    const attributes = extension.addAttributes.bind(context)() as Attributes
+    const attributes = extension.config.addAttributes.bind(context)() as Attributes
 
     Object
       .entries(attributes)
       .forEach(([name, attribute]) => {
         extensionAttributes.push({
-          type: extension.name,
+          type: extension.config.name,
           name,
           attribute: {
             ...defaultAttribute,
diff --git a/packages/core/src/utils/getSchema.ts b/packages/core/src/utils/getSchema.ts
index ee0bed4d..39bb24c4 100644
--- a/packages/core/src/utils/getSchema.ts
+++ b/packages/core/src/utils/getSchema.ts
@@ -21,35 +21,35 @@ function cleanUpSchemaItem<T>(data: T) {
 export default function getSchema(extensions: Extensions): Schema {
   const allAttributes = getAttributesFromExtensions(extensions)
   const { nodeExtensions, markExtensions } = splitExtensions(extensions)
-  const topNode = nodeExtensions.find(extension => extension.topNode)?.name
+  const topNode = nodeExtensions.find(extension => extension.config.topNode)?.config.name
 
   const nodes = Object.fromEntries(nodeExtensions.map(extension => {
-    const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.name)
+    const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.config.name)
     const context = { options: extension.options }
     const schema: NodeSpec = cleanUpSchemaItem({
-      content: callOrReturn(extension.content, context),
-      marks: callOrReturn(extension.marks, context),
-      group: callOrReturn(extension.group, context),
-      inline: callOrReturn(extension.inline, context),
-      atom: callOrReturn(extension.atom, context),
-      selectable: callOrReturn(extension.selectable, context),
-      draggable: callOrReturn(extension.draggable, context),
-      code: callOrReturn(extension.code, context),
-      defining: callOrReturn(extension.defining, context),
-      isolating: callOrReturn(extension.isolating, context),
+      content: callOrReturn(extension.config.content, context),
+      marks: callOrReturn(extension.config.marks, context),
+      group: callOrReturn(extension.config.group, context),
+      inline: callOrReturn(extension.config.inline, context),
+      atom: callOrReturn(extension.config.atom, context),
+      selectable: callOrReturn(extension.config.selectable, context),
+      draggable: callOrReturn(extension.config.draggable, context),
+      code: callOrReturn(extension.config.code, context),
+      defining: callOrReturn(extension.config.defining, context),
+      isolating: callOrReturn(extension.config.isolating, context),
       attrs: Object.fromEntries(extensionAttributes.map(extensionAttribute => {
         return [extensionAttribute.name, { default: extensionAttribute?.attribute?.default }]
       })),
     })
 
-    if (extension.parseHTML) {
-      schema.parseDOM = extension.parseHTML
+    if (extension.config.parseHTML) {
+      schema.parseDOM = extension.config.parseHTML
         .bind(context)()
         ?.map(parseRule => injectExtensionAttributesToParseRule(parseRule, extensionAttributes))
     }
 
-    if (extension.renderHTML) {
-      schema.toDOM = node => (extension.renderHTML as Function)?.bind(context)({
+    if (extension.config.renderHTML) {
+      schema.toDOM = node => (extension.config.renderHTML as Function)?.bind(context)({
         node,
         HTMLAttributes: mergeAttributes(
           extension.options.HTMLAttributes,
@@ -58,30 +58,30 @@ export default function getSchema(extensions: Extensions): Schema {
       })
     }
 
-    return [extension.name, schema]
+    return [extension.config.name, schema]
   }))
 
   const marks = Object.fromEntries(markExtensions.map(extension => {
-    const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.name)
+    const extensionAttributes = allAttributes.filter(attribute => attribute.type === extension.config.name)
     const context = { options: extension.options }
     const schema: MarkSpec = cleanUpSchemaItem({
-      inclusive: callOrReturn(extension.inclusive, context),
-      excludes: callOrReturn(extension.excludes, context),
-      group: callOrReturn(extension.group, context),
-      spanning: callOrReturn(extension.spanning, context),
+      inclusive: callOrReturn(extension.config.inclusive, context),
+      excludes: callOrReturn(extension.config.excludes, context),
+      group: callOrReturn(extension.config.group, context),
+      spanning: callOrReturn(extension.config.spanning, context),
       attrs: Object.fromEntries(extensionAttributes.map(extensionAttribute => {
         return [extensionAttribute.name, { default: extensionAttribute?.attribute?.default }]
       })),
     })
 
-    if (extension.parseHTML) {
-      schema.parseDOM = extension.parseHTML
+    if (extension.config.parseHTML) {
+      schema.parseDOM = extension.config.parseHTML
         .bind(context)()
         ?.map(parseRule => injectExtensionAttributesToParseRule(parseRule, extensionAttributes))
     }
 
-    if (extension.renderHTML) {
-      schema.toDOM = mark => (extension.renderHTML as Function)?.bind(context)({
+    if (extension.config.renderHTML) {
+      schema.toDOM = mark => (extension.config.renderHTML as Function)?.bind(context)({
         mark,
         HTMLAttributes: mergeAttributes(
           extension.options.HTMLAttributes,
@@ -90,7 +90,7 @@ export default function getSchema(extensions: Extensions): Schema {
       })
     }
 
-    return [extension.name, schema]
+    return [extension.config.name, schema]
   }))
 
   return new Schema({
diff --git a/packages/core/src/utils/isList.ts b/packages/core/src/utils/isList.ts
index 860e3f64..808f220f 100644
--- a/packages/core/src/utils/isList.ts
+++ b/packages/core/src/utils/isList.ts
@@ -4,13 +4,13 @@ import callOrReturn from './callOrReturn'
 
 export default function isList(name: string, extensions: Extensions) {
   const { nodeExtensions } = splitExtensions(extensions)
-  const extension = nodeExtensions.find(item => item.name === name)
+  const extension = nodeExtensions.find(item => item.config.name === name)
 
   if (!extension) {
     return false
   }
 
-  const groups = callOrReturn(extension.group, { options: extension.options })
+  const groups = callOrReturn(extension.config.group, { options: extension.options })
 
   if (typeof groups !== 'string') {
     return false
diff --git a/packages/core/src/utils/splitExtensions.ts b/packages/core/src/utils/splitExtensions.ts
index b34a853d..1b69ab7e 100644
--- a/packages/core/src/utils/splitExtensions.ts
+++ b/packages/core/src/utils/splitExtensions.ts
@@ -4,9 +4,9 @@ import { NodeExtension } from '../NodeExtension'
 import { MarkExtension } from '../MarkExtension'
 
 export default function splitExtensions(extensions: Extensions) {
-  const baseExtensions = extensions.filter(extension => extension.type === 'extension') as Extension[]
-  const nodeExtensions = extensions.filter(extension => extension.type === 'node') as NodeExtension[]
-  const markExtensions = extensions.filter(extension => extension.type === 'mark') as MarkExtension[]
+  const baseExtensions = extensions.filter(extension => extension instanceof Extension) as Extension[]
+  const nodeExtensions = extensions.filter(extension => extension instanceof NodeExtension) as NodeExtension[]
+  const markExtensions = extensions.filter(extension => extension instanceof MarkExtension) as MarkExtension[]
 
   return {
     baseExtensions,
diff --git a/tests/cypress/integration/core/generateHTML.spec.ts b/tests/cypress/integration/core/generateHTML.spec.ts
index 05b553dd..39bfacd2 100644
--- a/tests/cypress/integration/core/generateHTML.spec.ts
+++ b/tests/cypress/integration/core/generateHTML.spec.ts
@@ -19,9 +19,9 @@ describe('generateHTML', () => {
     }
 
     const html = generateHTML(json, [
-      Document(),
-      Paragraph(),
-      Text(),
+      Document,
+      Paragraph,
+      Text,
     ])
 
     expect(html).to.eq('<p>Example Text</p>')