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Contents
# frozen_string_literal: true
module Hanami
module Helpers
module FormHelper
# Values from params and form helpers.
#
# It's responsible to populate input values with data coming from params
# and inline values specified via form helpers like `text_field`.
#
# @since 2.1.0
# @api private
class Values
# @since 2.1.0
# @api private
GET_SEPARATOR = "."
# @api private
# @since 2.1.0
attr_reader :csrf_token
# @since 2.1.0
# @api private
def initialize(values: {}, params: {}, csrf_token: nil)
@values = values.to_h
@params = params.to_h
@csrf_token = csrf_token
end
# Returns the value (if present) for the given key.
# Nested values are expressed with an array if symbols.
#
# @since 2.1.0
# @api private
def get(*keys)
get_from_params(*keys) || get_from_values(*keys)
end
private
# @since 2.1.0
# @api private
def get_from_params(*keys)
keys.map! { |key| /\A\d+\z/.match?(key.to_s) ? key.to_s.to_i : key }
@params.dig(*keys)
end
# @since 2.1.0
# @api private
def get_from_values(*keys)
head, *tail = *keys
result = @values[head]
tail.each do |k|
break if result.nil?
result = dig(result, k)
end
result
end
# @since 2.1.0
# @api private
def dig(base, key)
case base
when ::Hash then base[key]
when Array then base[key.to_s.to_i]
when ->(r) { r.respond_to?(key) } then base.public_send(key)
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems