nl_tokens: Return the number of circular links for node not including self linking links
pl_tokens: function numberOfNonSelfLinkingCycles ( <mask> , id ) { var sourceCount = 0 node . sourceLinks . forEach ( function ( l ) { sourceCount = l . circular && ! selfLinking ( l , id ) ? sourceCount + 1 : sourceCount } ) var targetCount = 0 node . targetLinks . forEach ( function ( l ) { targetCount = l . circular && ! selfLinking ( l , id ) ? targetCount + 1 : targetCount } ) return sourceCount + targetCount }