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Versions: 7
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Contents
# frozen_string_literal: true
class Lenjador
module Preprocessors
module Strategies
class Prune
def initialize(trie)
@trie = trie
end
def process(data, pointer = '')
return nil unless @trie.include?(pointer)
case data
when Hash
process_hash(data, pointer)
when Array
process_array(data, pointer)
else
data
end
end
private
def process_hash(data, parent_pointer)
data.each_with_object({}) do |(key, value), result|
path = "#{parent_pointer}/#{key}"
result[key] = process(value, path) if @trie.include?(path)
end
end
def process_array(data, parent_pointer)
data.each_with_index.each_with_object([]) do |(value, index), result|
path = "#{parent_pointer}/#{index}"
result << process(value, path) if @trie.include?(path)
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems