Get Information about a user in Mousehunt using Typescript

getMousehuntUserInfo.ts

export interface UserHorn {
  horns: number;
  trapChecks: number;
  friendHunts: number;
  total: number;
}

export interface UserSetup {
  trap: string;
  base: string;
  skin: string;
  cheese: string;
  cheeseQuantity: number;
  charm: string;
  charmQuantity: number;
}

export interface User {
  id: string;
  name: string;
  rank: string;
  rankProgress: number;
  miceCaught: number;
  miceTotal: number;
  rareMiceCaught: number;
  rareMiceTotal: number;
  gold: number;
  points: number;
  location: string;
  setup: UserSetup;
  horn: UserHorn;
}

// TODO:
// - Treasure Maps: <div class="hunterInfoView-treasureMaps-left-currentMap-content"><div class="hunterInfoView-treasureMaps-left-currentMap-content-title">Fort Rox Treasure Map</div>

export async function get_user(id = "4850475") {
  const html = await (
    await fetch(`https://www.mousehuntgame.com/p.php?id=${id}`)
  ).text();

  // Extract the core description block
  const desc = parse(html, 'property="og:description" content="', '"');
  const nameLine = parse(
    html,
    'property="og:title" content="MouseHunt - ',
    '"',
  );

  if (!desc) return console.error("Could not parse profile");

  const lines = desc.split("\n");
  const mice = lines[1]?.split(": ")[1]?.split("/") ?? [];
  const rare = lines[2]?.split(": ")[1]?.split("/") ?? [];

  // Extract Trap Setup names using data-name="..."
  // Match 0: Trap, 1: Base, 2: Cheese, 3: Charm, 4: Skin
  const names = [...html.matchAll(/data-name="([^"]+)"/g)].map((m) => m[1]);
  // Extract Quantities using the slot-quantity class
  // Match 0: Cheese Qty, 1: Charm Qty
  const qtys = [...html.matchAll(/slot-quantity">([^<]+)</g)].map((m) => m[1]);

  const rankProgressSection =
    html.split("friendsPage-friendRow-titleBar-titleDetail")[1] ?? "";

  const user: User = {
    id,
    name: nameLine ?? "",
    rank: lines[0]?.split(" is a ")[1]?.split(" in ")[0] ?? "",
    rankProgress: toFloat(getAttr(rankProgressSection, "data-text")),
    miceCaught: toNumber(mice[0] ?? "0"),
    miceTotal: toNumber(mice[1] ?? "0"),
    rareMiceCaught: toNumber(rare[0] ?? "0"),
    rareMiceTotal: toNumber(rare[1] ?? "0"),
    gold: toNumber(lines[3]?.split(": ")[1] ?? "0"),
    points: toNumber(lines[4]?.split(": ")[1] ?? "0"),
    location: lines[5]?.split(": ")[1] ?? "",
    setup: {
      trap: names[0] || "None",
      base: names[1] || "None",
      skin: names[4] || "None",
      cheese: names[2] || "None",
      cheeseQuantity: toNumber(qtys[0] || "0"),
      charm: names[3] || "None",
      charmQuantity: toNumber(qtys[1] || "0"),
    },
    horn: {
      horns: toNumber(getAttr(html, "data-num-active-turns")),
      trapChecks: toNumber(getAttr(html, "data-num-passive-turns")),
      friendHunts: toNumber(getAttr(html, "data-num-linked-turns")),
      total: toNumber(getAttr(html, "data-num-total-turns")),
    },
  };

  console.log("user", user);
}

function parse(html: string, start: string, end: string) {
  return html.split(start)[1]?.split(end)[0]?.trim();
}

function getAttr(html: string, key: string) {
  return (
    html.split(`${key}='`)[1]?.split("'")[0] ??
    html.split(`${key}="`)[1]?.split('"')[0] ??
    ""
  );
}

function toNumber(str: string) {
  return parseInt(str.replace(/,/g, ""));
}

function toFloat(str: string) {
  return parseFloat(str.replace(/,/g, "").replace("%", ""));
}