refactor: restructure extensions

packages/extension-dropcursor/src/dropcursor.ts

@@ -0,0 +1,32 @@
+import { Extension } from '@tiptap/core'
+import { dropCursor } from 'prosemirror-dropcursor'
+
+export interface DropcursorOptions {
+  color: string | null,
+  width: number | null,
+  class: string | null,
+}
+
+const Dropcursor = Extension.create({
+  name: 'dropCursor',
+
+  defaultOptions: <DropcursorOptions>{
+    color: 'black',
+    width: 1,
+    class: null,
+  },
+
+  addProseMirrorPlugins() {
+    return [
+      dropCursor(this.options),
+    ]
+  },
+})
+
+export default Dropcursor
+
+declare module '@tiptap/core' {
+  interface AllExtensions {
+    Dropcursor: typeof Dropcursor,
+  }
+}