Attribute propagation in TS Prototypes

gistfile1.txt

# Abstract Box
prototype(EA:Box) >
prototype(EA:Box) < prototype(TYPO3.Neos.NodeTypes:TextWithImage) {
    targetNode = ${q(node).property('linkTarget')}

    targetAudience = ${q(node).property('linkTarget')?q(this.targetNode).closest('[instanceof EA:TargetAudience]').get(0):NULL}
    @override.targetAudienceIdentifier = ${q(node).property('linkTarget')?q(this.targetAudience).property('identifier'):'default'}
    targetAudienceIdentifier = ${targetAudienceIdentifier}
    attributes.class = ${'target-audience-' + targetAudienceIdentifier}
}

# Slide
prototype(EA:Slide) >
prototype(EA:Slide) < prototype(EA:Box) {
    attributes.class = ${'item ' + attributes.class}
}