Method constructor

lib/index.js:347–357

()

class Changes extends EE {
  constructor() {
    super();

    this._listeners = {};

    if (hasLocalStorage()) {
      addEventListener("storage", (e) => {
        this.emit(e.key);
      });
    }
  }

  addListener(dbName, id, db, opts) {
    if (this._listeners[id]) {