Cannot assign number to "number | undefined" when using package.json

import * as ex from "excalibur";

class GameObject extends ex.Actor {
  constructor(args: ex.ActorArgs) {
    super({
      ...args,    
      width: 16,
      height: 16
    });
  }
}

import * as ex from "excalibur";

class GameObject extends ex.Actor {
  constructor(args: ex.ActorArgs) {
    super({
      ...args,
      width: 16,
      height: 16,
    });
  }
}

{
  "tasks": {
    "dev": "deno run -A --node-modules-dir npm:vite",
    "build": "deno run -A --node-modules-dir npm:vite build",
    "serve": "deno run --allow-net --allow-read https://deno.land/std@0.157.0/http/file_server.ts dist/"
  },
  "imports": {
    "excalibur": "npm:excalibur@^0.29.3",
    "vite": "npm:vite@^5.4.8"
  },
  "compilerOptions": {
    "lib": [
      "deno.window",
      "DOM"
    ]
  },
  "lint": {
    "exclude": [
      "dist"
    ]
  }
}