react-dyn-tabs/lib/esm/utils/api/pub_sub.js

React dynamic tabs with full API

import helper from '../helper.js';
export default helper.module(function () {
  this._publishers = {
    onChange: [],
    onLoad: [],
    onDestroy: [],
    onOpen: [],
    onClose: [],
    onSelect: [],
    onInit: [],
    _onFlushEffects: [],
    _onReady: [],
    onFirstSelect: []
  };
}, {
  //unSubscribe
  off: function off(publisherName, fn) {
    if (typeof fn === 'function' && Object.prototype.hasOwnProperty.call(this._publishers, publisherName)) {
      var _index = this._publishers[publisherName].indexOf(fn);
      _index >= 0 && this._publishers[publisherName].splice(_index, 1);
    }
    return this;
  },
  //subscribe
  on: function on(publisherName, fn) {
    if (typeof fn === 'function' && Object.prototype.hasOwnProperty.call(this._publishers, publisherName)) {
      // check if it has not existed
      if (this._publishers[publisherName].indexOf(fn) === -1) {
        this._publishers[publisherName].push(fn);
      }
    }
    return this;
  },
  //oneSubscribe
  one: function one(publisherName, fn) {
    if (typeof fn === 'function' && Object.prototype.hasOwnProperty.call(this._publishers, publisherName)) {
      var _fn = function _fn() {
        fn.apply(this, arguments);
        this.off(publisherName, _fn);
      };
      return this.on(publisherName, _fn);
    }
    return this;
  }
}, {
  trigger: function trigger(publisherName, context, generateParamsCallback) {
    if (generateParamsCallback === void 0) {
      generateParamsCallback = function generateParamsCallback() {
        return [];
      };
    }
    context = context || null;
    var result = [];
    var _subscribers = [].concat(this._publishers[publisherName]);
    _subscribers.forEach(function (subscriber) {
      result.push(subscriber.apply(context, generateParamsCallback()));
    });
    return result;
  }
});