caret / packages / math / src / nodes / commaList.ts

import { CaretNode, h, t, VNode } from "@caret-js/core";

export class CommaListNode extends CaretNode {
  constructor(public expressions: CaretNode[]) {
    super();
  }

  static from(expressions: CaretNode[]): CommaListNode {
    return new CommaListNode(
      expressions.flatMap((node) =>
        node instanceof CommaListNode ? node.expressions : [node]
      )
    ).mergeTagsFromNodes(
      expressions.filter((node) => node instanceof CommaListNode)
    );
  }

  toDebugMathML(): VNode {
    return h(
      "mrow",
      {},
      ...this.expressions.flatMap((expr, index) => [
        expr.toDebugMathML(),
        index < this.expressions.length - 1 ? h("mo", {}, t(",")) : null,
      ])
    );
  }
}