move dropcursor and gapcursor to its own package

packages/extension-dropcursor/index.ts

@@ -0,0 +1,18 @@
+import { createExtension } from '@tiptap/core'
+import { dropCursor } from 'prosemirror-dropcursor'
+
+const Dropcursor = createExtension({
+  addProseMirrorPlugins() {
+    return [
+      dropCursor(),
+    ]
+  },
+})
+
+export default Dropcursor
+
+declare module '@tiptap/core/src/Editor' {
+  interface AllExtensions {
+    Dropcursor: typeof Dropcursor,
+  }
+}

packages/extension-dropcursor/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "@tiptap/extension-dropcursor",
+  "version": "1.0.0",
+  "source": "index.ts",
+  "main": "dist/tiptap-extension-dropcursor.js",
+  "umd:main": "dist/tiptap-extension-dropcursor.umd.js",
+  "module": "dist/tiptap-extension-dropcursor.mjs",
+  "unpkg": "dist/tiptap-extension-dropcursor.js",
+  "jsdelivr": "dist/tiptap-extension-dropcursor.js",
+  "files": [
+    "src",
+    "dist"
+  ],
+  "peerDependencies": {
+    "@tiptap/core": "2.x"
+  },
+  "dependencies": {
+    "@types/prosemirror-dropcursor": "^1.0.0",
+    "prosemirror-dropcursor": "^1.1.3"
+  }
+}