export type StringNode = string | number;

export interface TagNodeObject<TagValue extends any = any> {
  readonly tag: TagValue;
  attrs?: Record<string, unknown>;
  content?: TagNodeTree<TagValue>;
  start?: TagPosition;
  end?: TagPosition;
  toJSON?: () => TagNodeObject<TagValue>;
}

export type NodeContent<TagValue extends any = any> = TagNodeObject<TagValue> | StringNode | null;

export type PartialNodeContent<TagValue extends any = any> = Partial<TagNodeObject<TagValue>> | StringNode | null;

export type TagNodeTree<TagValue extends any = any> = NodeContent<TagValue> | NodeContent<TagValue>[] | null;

export type TagPosition = { from: number; to: number; };