add extension demos

demos/src/Extensions/CollaborationCursor/Vue/index.vue

@@ -0,0 +1,84 @@
+<template>
+  <editor-content :editor="editor" />
+</template>
+
+<script>
+import { Editor, EditorContent } from '@tiptap/vue-3'
+import Document from '@tiptap/extension-document'
+import Paragraph from '@tiptap/extension-paragraph'
+import Text from '@tiptap/extension-text'
+import Collaboration from '@tiptap/extension-collaboration'
+import CollaborationCursor from '@tiptap/extension-collaboration-cursor'
+import * as Y from 'yjs'
+import { WebrtcProvider } from 'y-webrtc'
+
+export default {
+  components: {
+    EditorContent,
+  },
+
+  data() {
+    return {
+      editor: null,
+      provider: null,
+    }
+  },
+
+  mounted() {
+    const ydoc = new Y.Doc()
+    this.provider = new WebrtcProvider('tiptap-collaboration-cursor-extension', ydoc)
+
+    this.editor = new Editor({
+      extensions: [
+        Document,
+        Paragraph,
+        Text,
+        Collaboration.configure({
+          document: ydoc,
+        }),
+        CollaborationCursor.configure({
+          provider: this.provider,
+          user: {
+            name: 'Cyndi Lauper',
+            color: '#f783ac',
+          },
+        }),
+      ],
+    })
+  },
+
+  beforeDestroy() {
+    this.editor.destroy()
+    this.provider.destroy()
+  },
+}
+</script>
+
+<style lang="scss">
+/* Give a remote user a caret */
+.collaboration-cursor__caret {
+  position: relative;
+  margin-left: -1px;
+  margin-right: -1px;
+  border-left: 1px solid #0D0D0D;
+  border-right: 1px solid #0D0D0D;
+  word-break: normal;
+  pointer-events: none;
+}
+
+/* Render the username above the caret */
+.collaboration-cursor__label {
+  position: absolute;
+  top: -1.4em;
+  left: -1px;
+  font-size: 12px;
+  font-style: normal;
+  font-weight: 600;
+  line-height: normal;
+  user-select: none;
+  color: #0D0D0D;
+  padding: 0.1rem 0.3rem;
+  border-radius: 3px 3px 3px 0;
+  white-space: nowrap;
+}
+</style>