Contents

# frozen_string_literal: true

# Copyright (c) 2024 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

require_relative '../factbase'

# Make maps suitable for printing.
#
# Author:: Yegor Bugayenko ([e-mail])
# Copyright:: Copyright (c) 2024 Yegor Bugayenko
# License:: MIT
class Factbase::Flatten
  # Constructor.
  def initialize(maps, sorter = '_id')
    @maps = maps
    @sorter = sorter
  end

  # Improve the maps.
  # @return [Array<HashMap>] The hashmaps, but improved
  def it
    @maps
      .sort_by { |m| m[@sorter] }
      .map { |m| m.sort.to_h }
      .map { |m| m.transform_values { |v| v.size == 1 ? v[0] : v } }
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
factbase-0.0.54	lib/factbase/flatten.rb
factbase-0.0.53	lib/factbase/flatten.rb
factbase-0.0.52	lib/factbase/flatten.rb
factbase-0.0.51	lib/factbase/flatten.rb
factbase-0.0.50	lib/factbase/flatten.rb
factbase-0.0.49	lib/factbase/flatten.rb
factbase-0.0.48	lib/factbase/flatten.rb