excalidraw/src/components/Stack.tsx

import "./Stack.css";

import React from "react";

type StackProps = {
  children: React.ReactNode;
  gap?: number;
  align?: "start" | "center" | "end" | "baseline";
  justifyContent?: "center" | "space-around" | "space-between";
};

function RowStack({ children, gap, align, justifyContent }: StackProps) {
  return (
    <div
      className="Stack Stack_horizontal"
      style={
        {
          "--gap": gap,
          alignItems: align,
          justifyContent
        } as React.CSSProperties
      }
    >
      {children}
    </div>
  );
}

function ColStack({ children, gap, align, justifyContent }: StackProps) {
  return (
    <div
      className="Stack Stack_vertical"
      style={
        {
          "--gap": gap,
          justifyItems: align,
          justifyContent
        } as React.CSSProperties
      }
    >
      {children}
    </div>
  );
}

export default {
  Row: RowStack,
  Col: ColStack
};