import { CaretNode, h, VNode } from "@caret-js/core";
import { MathExpressionTag } from "../tags/mathExpression";

export class SubscriptNode extends CaretNode {
  constructor(public child: CaretNode, public subscript: CaretNode) {
    super();
    this.addTag(new MathExpressionTag());
  }

  static from(child: CaretNode, subscript: CaretNode): SubscriptNode {
    return new SubscriptNode(child, subscript);
  }

  toDebugMathML(): VNode {
    return h(
      "msub",
      {},
      this.child.toDebugMathML(),
      this.subscript.toDebugMathML()
    );
  }
}