bitburner-src/src/Hacknet/ui/PurchaseButton.jsx

/**
 * React Component for the button that is used to purchase new Hacknet Nodes
 */
import React from "react";

import { hasHacknetServers,
         hasMaxNumberHacknetServers } from "../HacknetHelpers";
import { Player } from "../../Player";
import { Money } from "../../ui/React/Money";

export function PurchaseButton(props) {
    if (props.multiplier == null || props.onClick == null) {
        throw new Error(`PurchaseButton constructed without required props`);
    }

    const cost = props.cost;
    let className = Player.canAfford(cost) ? "std-button" : "std-button-disabled";
    let text;
    let style = null;
    if (hasHacknetServers()) {
        if (hasMaxNumberHacknetServers()) {
            className = "std-button-disabled";
            text = <>Hacknet Server limit reached</>;
            style = {color: "red"};
        } else {
            text = <>Purchase Hacknet Server - <Money money={cost} player={Player} /></>;
        }
    } else {
        text = <>Purchase Hacknet Node  - <Money money={cost} player={Player} /></>;
    }

    return (
        <button className={className}
                onClick={props.onClick}
                style={style}>
            {text}
        </button>

    )
}