add allowGapCursor option

packages/extension-gapcursor/src/gapcursor.ts

@@ -1,6 +1,15 @@
-import { Extension } from '@tiptap/core'
+import { Extension, callOrReturn } from '@tiptap/core'
 import { gapCursor } from 'prosemirror-gapcursor'
 
+declare module '@tiptap/core' {
+  interface NodeConfig<Options> {
+    /**
+     * Allow gap cursor
+     */
+    allowGapCursor?: boolean | ((this: { options: Options }) => boolean),
+  }
+}
+
 export const Gapcursor = Extension.create({
   name: 'gapCursor',
 
@@ -9,4 +18,12 @@ export const Gapcursor = Extension.create({
       gapCursor(),
     ]
   },
+
+  extendNodeSchema(extension) {
+    const context = { options: extension.options }
+
+    return {
+      allowGapCursor: callOrReturn(extension.config.allowGapCursor, context) ?? null,
+    }
+  },
 })