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Versions: 25
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Contents
# frozen_string_literal: true
module Blacklight
# Writes out zero or more <input type="hidden"> elements, completely
# representing a hash passed in using Rails-style request parameters
# for hashes nested with arrays and other hashes.
class HiddenSearchStateComponent < ::ViewComponent::Base
# @param [Hash] hash
def initialize(params:)
Deprecation.warn(self, "Passing page as a parameter to HiddenSearchStateComponent is deprecated and will not be supported in Blacklight 8") if params.key?(:page)
@params = params.except(:utf8)
end
def call
hidden_fields = []
flatten_hash(@params).each do |name, value|
value = Array.wrap(value)
value.each do |v|
hidden_fields << hidden_field_tag(name, v.to_s, id: nil)
end
end
safe_join(hidden_fields, "\n")
end
private
def flatten_hash(hash = params, ancestor_names = [])
flat_hash = {}
hash.each do |k, v|
names = Array.new(ancestor_names)
names << k
if v.is_a?(Hash)
flat_hash.merge!(flatten_hash(v, names))
else
key = flat_hash_key(names)
key += "[]" if v.is_a?(Array)
flat_hash[key] = v
end
end
flat_hash
end
def flat_hash_key(names)
names = Array.new(names)
name = names.shift.to_s.dup
names.each do |n|
name << "[#{n}]"
end
name
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems