function onlyCircularLink (link) {
    var nodeSourceLinks = link.source.sourceLinks
    var sourceCount = 0
    nodeSourceLinks.forEach(function (l) {
      sourceCount = l.circular ? sourceCount + 1 : sourceCount
    })

    var nodeTargetLinks = link.target.targetLinks
    var targetCount = 0
    nodeTargetLinks.forEach(function (l) {
      targetCount = l.circular ? targetCount + 1 : targetCount
    })

    if (sourceCount > 1 || targetCount > 1) {
      return false
    } else {
      return true
    }
  }
function onlyCircularLink (link) {
    var nodeSourceLinks = link.source.sourceLinks
    var sourceCount = 0
    nodeSourceLinks.forEach(function (l) {
      sourceCount = l.circular ? sourceCount + 1 : sourceCount
    })

    var nodeTargetLinks = link.target.targetLinks
    var targetCount = 0
    nodeTargetLinks.forEach(function (l) {
      targetCount = l.circular ? targetCount + 1 : targetCount
    })

    if (sourceCount > 1 || targetCount > 1) {
      return false
    } else {
      return true
    }
  }
function onlyCircularLink ( link ) { var nodeSourceLinks = link . source . sourceLinks var sourceCount = 0 nodeSourceLinks . forEach ( function ( l ) { sourceCount = l . circular ? sourceCount + 1 : sourceCount } ) var nodeTargetLinks = link . target . targetLinks var targetCount = 0 nodeTargetLinks . forEach ( function ( l ) { targetCount = l . circular ? targetCount + 1 : targetCount } ) if ( sourceCount > 1 || targetCount > 1 ) { return false } else { return true } }
Check if a circular link is the only circular link for both its source and target node
Check if a circular link is the only circular link for both its source and target node