How to use the vis-util.deepExtend function in vis-util

this.configurator.setOptions(options.configure);
    }

    // if the configuration system is enabled, copy all options and put them into the config system
    if (this.configurator && this.configurator.options.enabled === true) {
      let networkOptions = {nodes:{},edges:{},layout:{},interaction:{},manipulation:{},physics:{},global:{}};
      util.deepExtend(networkOptions.nodes,        this.nodesHandler.options);
      util.deepExtend(networkOptions.edges,        this.edgesHandler.options);
      util.deepExtend(networkOptions.layout,       this.layoutEngine.options);
      // load the selectionHandler and render default options in to the interaction group
      util.deepExtend(networkOptions.interaction,  this.selectionHandler.options);
      util.deepExtend(networkOptions.interaction,  this.renderer.options);

      util.deepExtend(networkOptions.interaction,  this.interactionHandler.options);
      util.deepExtend(networkOptions.manipulation, this.manipulation.options);
      util.deepExtend(networkOptions.physics,      this.physics.options);

      // load globals into the global object
      util.deepExtend(networkOptions.global,       this.canvas.options);
      util.deepExtend(networkOptions.global,       this.options);

      this.configurator.setModuleOptions(networkOptions);
    }

    // handle network global options
    if (options.clickToUse !== undefined) {
      if (options.clickToUse === true) {
        if (this.activator === undefined) {
          this.activator = new Activator(this.canvas.frame);
          this.activator.on('change', () => {this.body.emitter.emit("activate")});
        }

tmpNodesToRemove.push(nodeId);
        }
      }
    }

    for (var n = 0; n < tmpNodesToRemove.length; ++n) {
      delete childNodesObj[tmpNodesToRemove[n]];
    }

    // kill condition: no nodes don't bother
    if (Object.keys(childNodesObj).length == 0) {return;}

    // allow clusters of 1 if options allow
    if (Object.keys(childNodesObj).length == 1 && options.clusterNodeProperties.allowSingleNodeCluster != true) {return;}

    let clusterNodeProperties = util.deepExtend({},options.clusterNodeProperties);

    // construct the clusterNodeProperties
    if (options.processProperties !== undefined) {
      // get the childNode options
      let childNodesOptions = [];
      for (let nodeId in childNodesObj) {
        if (childNodesObj.hasOwnProperty(nodeId)) {
          let clonedOptions = NetworkUtil.cloneOptions(childNodesObj[nodeId]);
          childNodesOptions.push(clonedOptions);
        }
      }

      // get cluster properties based on childNodes
      let childEdgesOptions = [];
      for (let edgeId in childEdgesObj) {
        if (childEdgesObj.hasOwnProperty(edgeId)) {

if (!this.configurator) {
        this.configurator = new Configurator(this, this.body.container, configureOptions, this.canvas.pixelRatio);
      }

      this.configurator.setOptions(options.configure);
    }

    // if the configuration system is enabled, copy all options and put them into the config system
    if (this.configurator && this.configurator.options.enabled === true) {
      let networkOptions = {nodes:{},edges:{},layout:{},interaction:{},manipulation:{},physics:{},global:{}};
      util.deepExtend(networkOptions.nodes,        this.nodesHandler.options);
      util.deepExtend(networkOptions.edges,        this.edgesHandler.options);
      util.deepExtend(networkOptions.layout,       this.layoutEngine.options);
      // load the selectionHandler and render default options in to the interaction group
      util.deepExtend(networkOptions.interaction,  this.selectionHandler.options);
      util.deepExtend(networkOptions.interaction,  this.renderer.options);

      util.deepExtend(networkOptions.interaction,  this.interactionHandler.options);
      util.deepExtend(networkOptions.manipulation, this.manipulation.options);
      util.deepExtend(networkOptions.physics,      this.physics.options);

      // load globals into the global object
      util.deepExtend(networkOptions.global,       this.canvas.options);
      util.deepExtend(networkOptions.global,       this.options);

      this.configurator.setModuleOptions(networkOptions);
    }

    // handle network global options
    if (options.clickToUse !== undefined) {
      if (options.clickToUse === true) {
        if (this.activator === undefined) {

//this.view.setOptions(options.view);
    //this.clustering.setOptions(options.clustering);

    if ('configure' in options) {
      if (!this.configurator) {
        this.configurator = new Configurator(this, this.body.container, configureOptions, this.canvas.pixelRatio);
      }

      this.configurator.setOptions(options.configure);
    }

    // if the configuration system is enabled, copy all options and put them into the config system
    if (this.configurator && this.configurator.options.enabled === true) {
      let networkOptions = {nodes:{},edges:{},layout:{},interaction:{},manipulation:{},physics:{},global:{}};
      util.deepExtend(networkOptions.nodes,        this.nodesHandler.options);
      util.deepExtend(networkOptions.edges,        this.edgesHandler.options);
      util.deepExtend(networkOptions.layout,       this.layoutEngine.options);
      // load the selectionHandler and render default options in to the interaction group
      util.deepExtend(networkOptions.interaction,  this.selectionHandler.options);
      util.deepExtend(networkOptions.interaction,  this.renderer.options);

      util.deepExtend(networkOptions.interaction,  this.interactionHandler.options);
      util.deepExtend(networkOptions.manipulation, this.manipulation.options);
      util.deepExtend(networkOptions.physics,      this.physics.options);

      // load globals into the global object
      util.deepExtend(networkOptions.global,       this.canvas.options);
      util.deepExtend(networkOptions.global,       this.options);

      this.configurator.setModuleOptions(networkOptions);
    }

_createClusteredEdge(fromId, toId, baseEdge, clusterEdgeProperties, extraOptions) {
    // copy the options of the edge we will replace
    let clonedOptions = NetworkUtil.cloneOptions(baseEdge, 'edge');
    // make sure the properties of clusterEdges are superimposed on it
    util.deepExtend(clonedOptions, clusterEdgeProperties);

    // set up the edge
    clonedOptions.from = fromId;
    clonedOptions.to   = toId;
    clonedOptions.id   = 'clusterEdge:' + util.randomUUID();

    // apply the edge specific options to it if specified
    if (extraOptions !== undefined) {
      util.deepExtend(clonedOptions, extraOptions);
    }

    let newEdge = this.body.functions.createEdge(clonedOptions);
    newEdge.clusteringEdgeReplacingIds = [baseEdge.id];
    newEdge.connect();

    // Register the new edge

_createClusteredEdge(fromId, toId, baseEdge, clusterEdgeProperties, extraOptions) {
    // copy the options of the edge we will replace
    let clonedOptions = NetworkUtil.cloneOptions(baseEdge, 'edge');
    // make sure the properties of clusterEdges are superimposed on it
    util.deepExtend(clonedOptions, clusterEdgeProperties);

    // set up the edge
    clonedOptions.from = fromId;
    clonedOptions.to   = toId;
    clonedOptions.id   = 'clusterEdge:' + util.randomUUID();

    // apply the edge specific options to it if specified
    if (extraOptions !== undefined) {
      util.deepExtend(clonedOptions, extraOptions);
    }

    let newEdge = this.body.functions.createEdge(clonedOptions);
    newEdge.clusteringEdgeReplacingIds = [baseEdge.id];
    newEdge.connect();

    // Register the new edge
    this.body.edges[newEdge.id] = newEdge;

    return newEdge;
  }

setOptions(options, allOptions, globalOptions) {
    if (allOptions !== undefined) {
      if (allOptions.locale !== undefined)  {this.options.locale = allOptions.locale}   else {this.options.locale = globalOptions.locale;}
      if (allOptions.locales !== undefined) {this.options.locales = allOptions.locales} else {this.options.locales = globalOptions.locales;}
    }

    if (options !== undefined) {
      if (typeof options === 'boolean') {
        this.options.enabled = options;
      }
      else {
        this.options.enabled = true;
        util.deepExtend(this.options, options);
      }
      if (this.options.initiallyActive === true) {
        this.editMode = true;
      }
      this._setup();
    }
  }

TimeStep.prototype.setFormat = function (format) {
  var defaultFormat = util.deepExtend({}, TimeStep.FORMAT);
  this.format = util.deepExtend(defaultFormat, format);
};

update(options, pile) {
    this.setOptions(options, true);
    this.propagateFonts(pile);
    util.deepExtend(this.fontOptions, this.constrain(pile));
    this.fontOptions.chooser = ComponentUtil.choosify('label', pile);
  }

this.components.forEach(function (component) {
      util.deepExtend(appliedOptions, component.options);
    });
    this.configurator.setModuleOptions({global: appliedOptions});