Xb1mapLoader.js

function loadLeaflet(cb) {
  if (!window.L) {
    $("head").append(
      '<link href="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/leaflet/1.7.1/leaflet.css" type="text/css" rel="stylesheet" />'
    );
    $.getScript(
      "https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/leaflet/1.7.1/leaflet.min.js",
      cb
    );
  } else {
    cb();
  }
}

if ($(".xb1map-collection").length > 0) {
  console.log("load collection map");
  loadLeaflet(function () {
    mw.loader.load("ext.gadget.xb1mapCollection");
  });
}

if ($(".xb1map-enemy").length > 0) {
  console.log("load enemy map");
  loadLeaflet(function () {
    mw.loader.load("ext.gadget.xb1mapEnemy");
  });
}