import { HardBreak, Node, Schema } from '../../prosemirror';

export class HardBreakNodeType extends HardBreak {
  constructor(name: string, schema: Schema) {
    super(name, schema);
    if (name !== 'hard_break') {
      throw new Error('HardBreakNodeType must be named "hard_break".');
    }
  }
}

export interface HardBreakNode extends Node {
  type: HardBreakNodeType;
}

export function isHardBreakNode(node: Node): node is HardBreakNode {
  return node.type instanceof HardBreakNodeType;
}