class ActiveModelSerializers::Adapter::JsonApi::Link

}.reject! {|_,v| v.nil? }
meta: meta,
href: ‘example.com/link-object’,
{
structure:
meta
href (required) : URI
properties:
JSON Object
definition:
linkObject
’example.com/link-string’
structure:
A string containing the link’s URL.
description:
URI
definition:
linkString
end
linkObject
else
linkString
if href?
structure:
object.“
A link MUST be represented as either: a string containing the link’s URL or a link
description:
linkObject
linkString
oneOf
definition:
link

def as_json 

def as_json
  return @value if @value
  hash = {}
  hash[:href] = @href if defined?(@href)
  hash[:meta] = @meta if defined?(@meta)
  hash.any? ? hash : nil
end

def href(value) 

def href(value)
  @href = value
  nil
end

def initialize(serializer, value) 

def initialize(serializer, value)
  @_routes ||= nil # handles warning
  # actionpack-4.0.13/lib/action_dispatch/routing/route_set.rb:417: warning: instance variable @_routes not initialized
  @object = serializer.object
  @scope = serializer.scope
  # Use the return value of the block unless it is nil.
  if value.respond_to?(:call)
    @value = instance_eval(&value)
  else
    @value = value
  end
end

def meta(value) 

def meta(value)
  @meta = value
  nil
end