phantomjs-sandbox-woes

phantomjs-sandbox-woes.coffee

find_elements = (tag_name, properties = {}, die_if_not_found = true) -> 
  # Find all elements of type tag_name that match properties. E.g.: find_elements "input", {type: "image", src: "my_img.jpg"}. Note that if you are looking for an element by its 'src' property (e.g. for an image), be aware that the if the HTML specifies something like /foo/bar that actual property value will be something like "http://192.168.155.100/foo/bar". There may be other element properties which aren't exactly identical to what is specified in the HTML(?).
  result        = null
  all_elements  = document.getElementsByTagName(tag_name)
  filtered      = filter_elements all_elements, properties
  if filtered.length > 0
    filtered
  else
    if die_if_not_found
      die "unable to find required page element of type '#{tag_name}' matching #{JSON.stringify properties}'"
    else
      []  # no match, return []

try1-didnt-work.coffee

find_elements = (page, tag_name, properties = {}, die_if_not_found = true) -> 
  # Find all elements of type tag_name that match properties. E.g.: find_elements "input", {type: "image", src: "my_img.jpg"}. Note that if you are looking for an element by its 'src' property (e.g. for an image), be aware that the if the HTML specifies something like /foo/bar that actual property value will be something like "http://192.168.155.100/foo/bar". There may be other element properties which aren't exactly identical to what is specified in the HTML(?).
  result        = null

  console.log "IN this context document is #{document}"
  
  #all_elements  = document.getElementsByTagName(tag_name)
  all_elements   = page.evaluate ->
    return document.getElementsByTagName("form") # the script hangs here... because the returned object is a NodeList and not a simple array?
    # NOTE: The above was my attempt, but it didn't work. :-(

  console.log "all eletm: #{all_elements.length}"

  filtered      = filter_elements all_elements, properties
  if filtered.length > 0
    filtered
  else
    if die_if_not_found
      die "unable to find required page element of type '#{tag_name}' matching #{JSON.stringify properties}'"
    else
      []  # no match, return []