@journeyapps/react-native-quick-sqlite/lib/module/utils/BaseObserver.js

Fast SQLite for react-native

"use strict";

export class BaseObserver {
  constructor() {
    this.listeners = new Set();
  }
  registerListener(listener) {
    this.listeners.add(listener);
    return () => {
      this.listeners.delete(listener);
    };
  }
  iterateListeners(cb) {
    for (const listener of this.listeners) {
      cb(listener);
    }
  }
}
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