dino_runtime 0.1.1

A Rust runtime for Deno
Documentation 
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class EventEmitter {
  #listeners = new Map();

  on(eventName, callback) {
    if (!this.#listeners.has(eventName)) {
      this.#listeners.set(eventName, []);
    }
    this.#listeners.get(eventName).push(callback);
    return this;
  }

  once(eventName, callback) {
    const wrapper = (...args) => {
      this.removeListener(eventName, wrapper); 
      callback(...args);
    };
    return this.on(eventName, wrapper);
  }

  emit(eventName, ...args) {
    const callbacks = this.#listeners.get(eventName);
    if (callbacks) {
      callbacks.forEach(cb => {
        try {
          cb(...args);
        } catch (e) {
          console.error(`Error in event '${eventName}':`, e);
        }
      });
      return true;
    }
    return false;
  }


  addListener(eventName, callback) {
    return this.on(eventName, callback);
  }

  removeListener(eventName, callback) {
    const callbacks = this.#listeners.get(eventName);
    if (callbacks) {
      const index = callbacks.indexOf(callback);
      if (index !== -1) {
        callbacks.splice(index, 1);
      }
    }
    return this;
  }
}

globalThis.EventEmitter = EventEmitter;