Find a nested value of an object.

gistfile1.coffee

Object::hasprop = (propstring) ->
  split = propstring.split '.'
  obj = @
  i = 0
  while i < split.length
    if !obj or !obj.hasOwnProperty split[i] then return false
    obj = obj[split[i]]
    i++
  obj
 
# Usage:
testobj = color: green: shade: 'palm'

if value = testobj.hasprop 'color.green.shade'
  console.log 'Value found:', value
# Return a friendly 'fase'
if !value = testobj.hasprop 'color.blue.shade.light'
  console.log 'Thanks for bailing gracefully!', value