t-comm/es/e-bus/e-bus.mjs

专业、稳定、纯粹的工具库

var EventBus = /** @class */function () {
  function EventBus() {
    this.events = {};
  }
  EventBus.prototype.emit = function (eventName) {
    var args = [];
    for (var _i = 1; _i < arguments.length; _i++) {
      args[_i - 1] = arguments[_i];
    }
    if (this.events[eventName]) {
      this.events[eventName].forEach(function (fn) {
        fn.apply(void 0, args);
      });
    }
  };
  EventBus.prototype.on = function (eventName, fn) {
    this.events[eventName] = this.events[eventName] || [];
    this.events[eventName].push(fn);
  };
  EventBus.prototype.off = function (eventName, fn) {
    if (!fn) {
      delete this.events[eventName];
      return;
    }
    if (this.events[eventName]) {
      for (var i = 0; i < this.events[eventName].length; i++) {
        if (this.events[eventName][i] === fn) {
          this.events[eventName].splice(i, 1);
          break;
        }
      }
    }
  };
  return EventBus;
}();

export { EventBus };