@react95/core/cjs/shared/emitter.cjs

Windows 95 styleguide

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
class Emitter {
  constructor() {
    this.listeners = {};
  }
  on(eventName, callback) {
    var _a;
    if (!this.listeners[eventName]) {
      this.listeners[eventName] = [];
    }
    (_a = this.listeners[eventName]) == null ? void 0 : _a.push(callback);
  }
  off(eventName, callback) {
    var _a;
    if (this.listeners[eventName]) {
      this.listeners[eventName] = (_a = this.listeners[eventName]) == null ? void 0 : _a.filter(
        (cb) => cb !== callback
      );
    }
  }
  emit(eventName, data) {
    var _a;
    if (this.listeners[eventName]) {
      (_a = this.listeners[eventName]) == null ? void 0 : _a.forEach((callback) => {
        try {
          callback(data);
        } catch (error) {
          console.error(`Error in event listener for ${eventName}:`, error);
        }
      });
    }
  }
}
exports.Emitter = Emitter;