integration.js

// This extension integrates Optimizely w/ Adobe via a pre-defined list variable. Set the list variable on line 3 below.
var decisionString = window.optimizely.get('state').getDecisionString({
  campaignId: campaignId,
  shouldCleanString: true
});
var redirectInfo = window.optimizely.get('state').getRedirectInfo();
var list = "list1";

// Public Methods
var adobeIntegrator = {
  // Array of objects for active campaigns/experiments
  campaignArray: [],
  // Accepts "s" variable as a param and assigns campaigns/experiments to list.
  assignCampaigns: function(sVariable) {
    sVariable[list] = sVariable[list] || [];
    if (!!redirectInfo) sVariable.referrer = redirectInfo.referrer;
    for (var i = this.campaignArray.length - 1; i >= 0; i--) {
      sVariable[list].push(this.campaignArray[i]);
      this.campaignArray.splice(i, 1);
    }
  },
  // Accepts "s" variable as a param and assigns eVars to object, then dispatches custom link tracking.
  trackDelayedCampaigns: function(sVariable) {
    sVariable[list] = sVariable[list] || [];
    sVariable.linkTrackVars += ("," + list);
    for (var i = this.campaignArray.length - 1; i >= 0; i--) {
      sVariable[list].push(this.campaignArray[i]);
      this.campaignArray.splice(i, 1);
    }
    sVariable.tl(true, "o", "OptimizelyLayerDecision");
  }
};

// Scopes `campaignArray` to Optimizely object.
if (!window.optimizely.get("custom/adobeIntegrator")) {
  window.optimizely.push({
    type: "registerModule",
    moduleName: "adobeIntegrator",
    module: adobeIntegrator
  });
}

// Failing Audiences returns `null`, failing Traffic Allocation returns `undefined` for decisionString.
if (!!decisionString) window.optimizely.get("custom/adobeIntegrator").campaignArray.push(decisionString);