improve types

packages/core/src/helpers/getMarksBetween.ts

@@ -0,0 +1,22 @@
+import { Mark } from 'prosemirror-model'
+import { EditorState } from 'prosemirror-state'
+
+export type MarkPosition = {
+  mark: Mark,
+  start: number,
+  end: number,
+}
+
+export default function getMarksBetween(start: number, end: number, state: EditorState): MarkPosition[] {
+  let marks: MarkPosition[] = []
+
+  state.doc.nodesBetween(start, end, (node, pos) => {
+    marks = [...marks, ...node.marks.map(mark => ({
+      start: pos,
+      end: pos + node.nodeSize,
+      mark,
+    }))]
+  })
+
+  return marks
+}