AEM - Replicate Resource and entire child tree

treeactivate.js

var workflowData = workItem.getWorkflowData();

var jcrSession = workflowSession.getSession();

// Resource resolver
var resourceResolverFactory = sling.getService(Packages.org.apache.sling.api.resource.ResourceResolverFactory);
var authInfo = new Packages.java.util.HashMap();
authInfo.put("user.jcr.session", jcrSession);
var resourceResolver = resourceResolverFactory.getResourceResolver(authInfo);

// Replicator
var replicator = sling.getService(Packages.com.day.cq.replication.Replicator);
var replicationOpts = new Packages.com.day.cq.replication.ReplicationOptions();

var workflowData = workItem.getWorkflowData();
var payloadPath = workflowData.getPayload().toString();
var mainResource = resourceResolver.getResource(payloadPath);

function replicate(res) {
    var resPath = res.getPath();
    log.debug("Activating " + resPath);
    replicator.replicate(jcrSession, Packages.com.day.cq.replication.ReplicationActionType.ACTIVATE, resPath, replicationOpts);
    var childIt = resourceResolver.listChildren(res);
    while (childIt.hasNext()) {
        var childResource = childIt.next();
        replicate(childResource);
    }
}

replicate(mainResource);