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Contents
# frozen_string_literal: true
require "forwardable"
require "set"
require "pakyow/support/safe_string"
require "pakyow/presenter/attributes/attribute"
module Pakyow
module Presenter
class Attributes
# Wraps the value for a set-type view attribute (e.g. class).
#
# Behaves just like a normal +Set+.
#
class Set < Attribute
VALUE_SEPARATOR = " ".freeze
extend Forwardable
def_delegators :@value, :to_a, :any?, :empty?, :clear
include Support::SafeStringHelpers
def include?(value)
@value.include?(value.to_s)
end
def <<(value)
@value << ensure_html_safety(value)
end
def add(value)
@value.add(ensure_html_safety(value))
end
def delete(value)
@value.delete(value.to_s)
end
def to_s
@value.to_a.join(VALUE_SEPARATOR)
end
class << self
include Support::SafeStringHelpers
def parse(value)
if value.is_a?(Array) || value.is_a?(::Set)
new(::Set.new(value.map { |v| ensure_html_safety(v) }))
elsif value.respond_to?(:to_s)
new(::Set.new(value.to_s.split(VALUE_SEPARATOR).map { |v| ensure_html_safety(v) }))
else
raise ArgumentError.new("expected value to be an Array, Set, or String")
end
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems