How to use the ractive.events function in ractive

;(function (root, factory) {
  'use strict'

  if (typeof module === 'object' && module.exports) {
    var Ractive = require('ractive')
    Ractive.events = require('ractive-events-keys')
    var axios = require('axios')
    var Graph = require('./graph')
    var Ontology = require('./ontology')
    var StringUtil = require('./stringutil')
    var _ = require('underscore')
    var $ = require('jquery')
    var ldGraph = require('ld-graph')
    var URI = require('urijs')
    module.exports = factory(Ractive, axios, Graph, Ontology, StringUtil, _, $, ldGraph, URI)
  } else {
    // Browser globals (root is window)
    root.Main = factory(root.Ractive, root.axios, root.Graph, root.Ontology, root.StringUtil, root._, root.$, root.ldGraph, root.URI)
  }
}(this, function (Ractive, axios, Graph, Ontology, StringUtil, _, $, ldGraph, URI, dialog) {
    'use strict'

(function (root, factory) {
  "use strict";

  if (typeof module === 'object' && module.exports) {
    var Ractive = require("ractive");
    Ractive.events = require("ractive-events-keys");
    var axios = require("axios");
    var Graph = require("./graph");
    var Ontology = require("./ontology");
    var StringUtil = require("./stringutil");
    var _ = require("underscore");

    module.exports = factory(Ractive, axios, Graph, Ontology, StringUtil, _);

  } else {
    // Browser globals (root is window)
    root.Main = factory(root.Ractive, root.axios, root.Graph, root.Ontology, root.StringUtil, root._);
  }
}(this, function (Ractive, axios, Graph, Ontology, StringUtil, _) {
  "use strict";

(function (root, factory) {
  if (typeof module === 'object' && module.exports) {
    var Ractive = require("ractive");
    Ractive.events = require("ractive-events-keys");

    var axios = require("axios");
    var url = require("url");
    var _ = require("underscore");
    module.exports = factory(Ractive, axios, url, _);
  } else {
    root.Search = factory(root.Ractive, root.axios, root.url, root._);
  }
}(this, function (Ractive, axios, url, _) {
  "use strict";

(function (root, factory) {
  if (typeof module === 'object' && module.exports) {
    var Ractive = require("ractive");
    Ractive.events = require("ractive-events-keys");

    var axios = require("axios");
    var url = require("url");
    var graph = require("ld-graph");

    module.exports = factory(Ractive, axios, url, graph);
  } else {
    root.Work = factory(root.Ractive, root.axios, root.url, root.graph);
  }
}(this, function (Ractive, axios, url, graph) {
  "use strict";

(function (root, factory) {
  if (typeof module === 'object' && module.exports) {
    var Ractive = require("ractive");
    Ractive.events = require("ractive-events-keys");

    var axios = require("axios");
    var url = require("url");
    var graph = require("ld-graph");
    var _ = require("underscore");
    module.exports = factory(Ractive, axios, url, graph, _);
  } else {
    root.Person = factory(root.Ractive, root.axios, root.url, root.graph, root._);
  }
}(this, function (Ractive, axios, url, graph, _) {
  "use strict";

Ractive.components['core-icon-button'] = CoreIconButton;
Ractive.components['core-label'] = CoreLabel;
Ractive.components['core-menu'] = CoreMenu;
Ractive.components['core-menu-button'] = CoreMenuButton;
Ractive.components['core-menu-item'] = CoreMenuItem;
Ractive.components['core-menu-separator'] = CoreMenuSeparator;
Ractive.components['core-numberbox'] = CoreNumberbox;
Ractive.components['core-slider'] = CoreSlider;
Ractive.components['core-textbox'] = CoreTextbox;
Ractive.components['core-throbber'] = CoreThrobber;
Ractive.components['core-toolbar'] = CoreToolbar;

Ractive.decorators['core-tooltip'] = CoreTooltip;
Ractive.decorators['core-visible'] = CoreVisible;

Ractive.events['tap'] = RactiveTap;