module SearchObject::Helper

:api: private

Public Instance Methods

camelize(text) click to toggle source
# File lib/search_object/helper.rb, line 22
def camelize(text)
  text.to_s.gsub(/(?:^|_)(.)/) { Regexp.last_match[1].upcase }
end
deep_copy(object) click to toggle source
# File lib/search_object/helper.rb, line 59
def deep_copy(object) # rubocop:disable Metrics/MethodLength
  case object
  when Array
    object.map { |element| deep_copy(element) }
  when Hash
    object.inject({}) do |result, (key, value)|
      result[key] = deep_copy(value)
      result
    end
  when NilClass, FalseClass, TrueClass, Symbol, Method, Numeric
    object
  else
    object.dup
  end
end
define_module(&block) click to toggle source
# File lib/search_object/helper.rb, line 43
def define_module(&block)
  Module.new do
    define_singleton_method :included do |base|
      base.class_eval(&block)
    end
  end
end
ensure_included(item, collection) click to toggle source
# File lib/search_object/helper.rb, line 35
def ensure_included(item, collection)
  if collection.include? item
    item
  else
    collection.first
  end
end
normalize_search_handler(handler, name) click to toggle source
# File lib/search_object/helper.rb, line 51
def normalize_search_handler(handler, name)
  case handler
  when Symbol then ->(scope, value) { method(handler).call scope, value }
  when Proc then handler
  else ->(scope, value) { scope.where name => value unless value.blank? }
  end
end
slice_keys(hash, keys) click to toggle source
# File lib/search_object/helper.rb, line 15
def slice_keys(hash, keys)
  keys.inject({}) do |memo, key|
    memo[key] = hash[key] if hash.key? key
    memo
  end
end
stringify_keys(hash) click to toggle source
# File lib/search_object/helper.rb, line 8
def stringify_keys(hash)
  # Note(rstankov): From Rails 5+ ActionController::Parameters aren't Hash
  #   In a lot of cases `stringify_keys` is used on action params
  hash = hash.to_unsafe_h if hash.respond_to? :to_unsafe_h
  Hash[(hash || {}).map { |k, v| [k.to_s, v] }]
end
underscore(text) click to toggle source
# File lib/search_object/helper.rb, line 26
def underscore(text)
  text.to_s
      .tr('::', '_')
      .gsub(/([A-Z]+)([A-Z][a-z])/) { "#{Regexp.last_match[1]}_#{Regexp.last_match[2]}" }
      .gsub(/([a-z\d])([A-Z])/) { "#{Regexp.last_match[1]}_#{Regexp.last_match[2]}" }
      .tr('-', '_')
      .downcase
end