outline/shared/editor/queries/isNodeActive.ts

import { NodeType } from "prosemirror-model";
import { EditorState } from "prosemirror-state";
import { findParentNode, findSelectedNodeOfType } from "prosemirror-utils";

const isNodeActive =
  (type: NodeType, attrs: Record<string, any> = {}) =>
  (state: EditorState) => {
    if (!type) {
      return false;
    }

    const node =
      findSelectedNodeOfType(type)(state.selection) ||
      findParentNode((node) => node.type === type)(state.selection);

    if (!Object.keys(attrs).length || !node) {
      return !!node;
    }

    return node.node.hasMarkup(type, { ...node.node.attrs, ...attrs });
  };

export default isNodeActive;