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Versions: 6
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Contents
# frozen_string_literal: true
module Dry
module Schema
module Macros
# Base macro for specifying rules applied to a value found under a key
#
# @api public
class Key < DSL
# @!attribute [r] filter_schema_dsl
# @return [Schema::DSL]
# @api private
option :filter_schema_dsl, default: proc { schema_dsl&.filter_schema_dsl }
# Specify predicates that should be applied before coercion
#
# @example check format before coercing to a date
# required(:publish_date).filter(format?: /\d{4}-\d{2}-\d{2}).value(:date)
#
# @see Macros::Key#value
#
# @return [Macros::Key]
#
# @api public
def filter(...)
(filter_schema_dsl[name] || filter_schema_dsl.optional(name)).value(...)
self
end
ruby2_keywords(:filter) if respond_to?(:ruby2_keywords, true)
# Coerce macro to a rule
#
# @return [Dry::Logic::Rule]
#
# @api private
def to_rule
if trace.captures.empty?
super
else
[super, trace.to_rule(name)].reduce(operation)
end
end
# @api private
def to_ast
[:predicate, [:key?, [[:name, name], [:input, Undefined]]]]
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems