dissemination/lib/mixins/CommandMixin.js

Lightweight event/command library created to replace Backbone.Radio

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var CommandMixin = {
  handle: function handle(name, handler) {
    if (!this._handlers) {
      this._handlers = {};
    }

    if (this._handlers[name]) {
      throw new TypeError("Another handler for command \"".concat(name, "\" is already registered."));
    }

    this._handlers[name] = handler;
  },
  unhandle: function unhandle(name) {
    if (!this.handlerRegistered(name)) {
      throw new TypeError("Handler for command \"".concat(name, "\" is not registered."));
    }

    delete this._handlers[name];
  },
  request: function request(name, options) {
    if (!this.handlerRegistered(name)) {
      throw new TypeError("Handler for command \"".concat(name, "\" is not registered."));
    }

    return this._handlers[name](options || {});
  },
  execute: function execute(name, options) {
    this.request(name, options);
  },
  handlerRegistered: function handlerRegistered(name) {
    return this._handlers && !!this._handlers[name];
  }
};
var _default = CommandMixin;
exports["default"] = _default;