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Versions: 11
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Stored size: 1.76 KB
Contents
# frozen_string_literal: true
module Parametric
class BlockValidator
def self.build(meth, &block)
klass = Class.new(self)
klass.public_send(meth, &block)
klass
end
def self.message(&block)
@message_block = block if block_given?
@message_block if instance_variable_defined?('@message_block')
end
def self.validate(&validate_block)
@validate_block = validate_block if block_given?
@validate_block if instance_variable_defined?('@validate_block')
end
def self.coerce(&coerce_block)
@coerce_block = coerce_block if block_given?
@coerce_block
end
def self.eligible(&block)
@eligible_block = block if block_given?
@eligible_block if instance_variable_defined?('@eligible_block')
end
def self.meta_data(&block)
@meta_data_block = block if block_given?
@meta_data_block if instance_variable_defined?('@meta_data_block')
end
attr_reader :message
def initialize(*args)
@args = args
@message = 'is invalid'
@validate_block = self.class.validate || ->(*args) { true }
@coerce_block = self.class.coerce || ->(v, *_) { v }
@eligible_block = self.class.eligible || ->(*args) { true }
@meta_data_block = self.class.meta_data || ->(*args) { {} }
end
def eligible?(value, key, payload)
args = (@args + [value, key, payload])
@eligible_block.call(*args)
end
def coerce(value, key, context)
@coerce_block.call(value, key, context)
end
def valid?(value, key, payload)
args = (@args + [value, key, payload])
@message = self.class.message.call(*args) if self.class.message
@validate_block.call(*args)
end
def meta_data
@meta_data_block.call *@args
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems