add markIsActive

packages/tiptap-core/src/utils/markIsActive.ts

@@ -0,0 +1,17 @@
+import { EditorState } from 'prosemirror-state'
+import { MarkType } from 'prosemirror-model'
+
+export default function markIsActive(state: EditorState, type: MarkType) {
+  const {
+    from,
+    $from,
+    to,
+    empty,
+  } = state.selection
+
+  if (empty) {
+    return !!type.isInSet(state.storedMarks || $from.marks())
+  }
+
+  return !!state.doc.rangeHasMark(from, to, type)
+}