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Contents
# frozen_string_literal: true
require "active_model/type/immutable_string"
module ActiveModel
module Type
# = Active Model \String \Type
#
# Attribute type for strings. It is registered under the +:string+ key.
#
# This class is a specialization of ActiveModel::Type::ImmutableString. It
# performs coercion in the same way, and can be configured in the same way.
# However, it accounts for mutable strings, so dirty tracking can properly
# check if a string has changed.
class String < ImmutableString
def changed_in_place?(raw_old_value, new_value)
if new_value.is_a?(::String)
raw_old_value != new_value
end
end
def to_immutable_string
ImmutableString.new(
true: @true,
false: @false,
limit: limit,
precision: precision,
scale: scale,
)
end
private
def cast_value(value)
case value
when ::String then ::String.new(value)
when true then @true
when false then @false
else value.to_s
end
end
end
end
end
Version data entries
42 entries across 42 versions & 6 rubygems