class method `self.new`

Ruby on Rails 6.0.6

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

self.new(klass, namespace = nil, name = nil)

Returns a new ActiveModel::Name instance. By default, the namespace and name option will take the namespace and name of the given class respectively.

module Foo
  class Bar
  end
end

ActiveModel::Name.new(Foo::Bar).to_s
# => "Foo::Bar"

Parameters

klass req
namespace opt = nil
name opt = nil

Source

# File activemodel/lib/active_model/naming.rb, line 164
    def initialize(klass, namespace = nil, name = nil)
      @name = name || klass.name

      raise ArgumentError, "Class name cannot be blank. You need to supply a name argument when anonymous class given" if @name.blank?

      @unnamespaced = @name.sub(/^#{namespace.name}::/, "") if namespace
      @klass        = klass
      @singular     = _singularize(@name)
      @plural       = ActiveSupport::Inflector.pluralize(@singular)
      @element      = ActiveSupport::Inflector.underscore(ActiveSupport::Inflector.demodulize(@name))
      @human        = ActiveSupport::Inflector.humanize(@element)
      @collection   = ActiveSupport::Inflector.tableize(@name)
      @param_key    = (namespace ? _singularize(@unnamespaced) : @singular)
      @i18n_key     = @name.underscore.to_sym

      @route_key          = (namespace ? ActiveSupport::Inflector.pluralize(@param_key) : @plural.dup)
      @singular_route_key = ActiveSupport::Inflector.singularize(@route_key)
      @route_key << "_index" if @plural == @singular
    end

Defined in activemodel/lib/active_model/naming.rb line 164 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Name

Signature

Parameters