@polygonjs/plugin-mapbox/dist/src/core/mapbox/MapsRegister.js

Mapbox plugin for the 3D engine https://polygonjs.com

export class MapsRegister {
  constructor() {
    this._maps_by_id = /* @__PURE__ */ new Map();
  }
  static instance() {
    return this._instance = this._instance || new MapsRegister();
  }
  registerMap(id, map) {
    this._maps_by_id.set(id, map);
  }
  deregisterMap(id) {
    this._maps_by_id.delete(id);
  }
}