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Versions: 6
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Stored size: 1.61 KB
Contents
# frozen_string_literal: true
require "tsort"
require "dry/core/equalizer"
require_relative "exposure"
module Hanami
class View
# @api private
class Exposures
include Dry::Equalizer(:exposures)
include TSort
attr_reader :exposures
def initialize(exposures = {})
@exposures = exposures
end
def key?(name)
exposures.key?(name)
end
def [](name)
exposures[name]
end
def each(&block)
exposures.each(&block)
end
def add(name, proc = nil, **options)
exposures[name] = Exposure.new(name, proc, **options)
end
def import(name, exposure)
exposures[name] = exposure.dup
end
def bind(obj)
bound_exposures = exposures.each_with_object({}) { |(name, exposure), memo|
memo[name] = exposure.bind(obj)
}
self.class.new(bound_exposures)
end
def call(input)
# rubocop:disable Style/MultilineBlockChain
tsort.each_with_object({}) { |name, memo|
next unless (exposure = self[name])
value = exposure.(input, memo)
value = yield(value, exposure) if block_given?
memo[name] = value
}.each_with_object({}) { |(name, value), memo|
memo[name] = value unless self[name].private?
}
# rubocop:enable Style/MultilineBlockChain
end
private
def tsort_each_node(&block)
exposures.each_key(&block)
end
def tsort_each_child(name, &block)
self[name].dependency_names.each(&block) if exposures.key?(name)
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems