Merge branch 'docs/toc-with-anchors' into main

docs/src/demos/Guide/NodeViews/TableOfContents/Component.vue

@@ -7,7 +7,9 @@
         v-for="(heading, index) in headings"
         :key="index"
       >
+        <a :href="`#${heading.id}`">
           {{ heading.text }}
+        </a>
       </li>
     </ul>
   </node-view-wrapper>
@@ -32,23 +34,38 @@ export default {
   methods: {
     handleUpdate() {
       const headings = []
+      const transaction = this.editor.state.tr
 
-      this.editor.state.doc.descendants(node => {
+      this.editor.state.doc.descendants((node, pos) => {
         if (node.type.name === 'heading') {
+          const id = `heading-${headings.length + 1}`
+
+          if (node.attrs.id !== id) {
+            transaction.setNodeMarkup(pos, undefined, {
+              ...node.attrs,
+              id,
+            })
+          }
+
           headings.push({
             level: node.attrs.level,
             text: node.textContent,
+            id,
           })
         }
       })
 
+      transaction.setMeta('preventUpdate', true)
+
+      this.editor.view.dispatch(transaction)
+
       this.headings = headings
     },
   },
 
   mounted() {
     this.editor.on('update', this.handleUpdate)
-    this.handleUpdate()
+    this.$nextTick(this.handleUpdate)
   },
 }
 </script>
@@ -75,7 +92,7 @@ export default {
 
     &::before {
       display: block;
-      content: "In this document";
+      content: "Table of Contents";
       font-weight: 700;
       letter-spacing: 0.025rem;
       font-size: 0.75rem;
@@ -85,6 +102,10 @@ export default {
   }
 
   &__item {
+    a:hover {
+      opacity: 0.5;
+    }
+
     &--3 {
       padding-left: 1rem;
     }

docs/src/demos/Guide/NodeViews/TableOfContents/TableOfContents.js

@@ -24,4 +24,19 @@ export default Node.create({
   addNodeView() {
     return VueNodeViewRenderer(Component)
   },
+
+  addGlobalAttributes() {
+    return [
+      {
+        types: [
+          'heading',
+        ],
+        attributes: {
+          id: {
+            default: null,
+          },
+        },
+      },
+    ]
+  },
 })