observ-node-array/resolve.js

Populate an observable array from node descriptors.

module.exports = resolveNode

function resolveNode(nodes, nodeName){
  if (!nodeName){
    return null
  }

  // quick lookup
  if (nodes[nodeName]) {
    return nodes[nodeName]
  }

  // walkies
  var node = nodes || {}
  while (nodeName && node){
    var index = nodeName.indexOf('/')
    if (index < 0){
      node = node[nodeName]
      nodeName = null
    } else {
      var key = nodeName.slice(0, index)
      nodeName = nodeName.slice(index+1)
      node = node[key]
    }
  }
  return node
}