Module: Compote::Schema

Defined in:
lib/compote/schema.rb

Class Method Summary collapse

Class Method Details

.apply_extends(initial_data, &get_data) ⇒ Object 



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# File 'lib/compote/schema.rb', line 307

def self.apply_extends ( initial_data, &get_data )

  extends = initial_data.dig 'compote', 'extends'

  return initial_data.clone unless extends

  extending_datas = extends.map do | key, options |

    data = get_data.call key

    data = data.select { | key, value | options[ 'only' ].include? key } if options[ 'only' ]

    data = data.reject { | key, value | options[ 'except' ].include? key } if options[ 'except' ]

    data

  end

  extending_datas += [ initial_data ]

  resulted_data = merge extending_datas

  resulted_data

end

.merge(datas) ⇒ Object 



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# File 'lib/compote/schema.rb', line 333

def self.merge ( datas )

  result = {}

  datas.each do | data |

    data.keys.each do | key |

      values = [ result[ key ], data[ key ] ]

      result[ key ] = begin

        if values.all? { | value | value.is_a? Hash }

          merge values

        elsif values.all? { | value | value.is_a? Array } && ! %w( command entrypoint ).include?( key )

          values.first + values.last

        else

          values.last.clone

        end

      end

    end

  end

  result

end

.normalize(config, value, mappings = MAPPINGS) ⇒ Object 



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# File 'lib/compote/schema.rb', line 233

def self.normalize ( config, value, mappings = MAPPINGS )

  validate! value if mappings == MAPPINGS


  value = value.clone


  class_mappings = mappings.select { | key, value | key.is_a? Class }

  unless class_mappings.empty?

    class_mapping = class_mappings[ value.class ]

    value = class_mapping.call value, config if class_mapping

  end


  paths_mappings = mappings.select { | key, value | key.is_a? String }

  unless paths_mappings.empty? || ! value.is_a?( Enumerable ) || value.empty?

    if paths_mappings.keys == [ '*' ]

      path_mappings = paths_mappings[ '*' ]

      if value.is_a? Hash

        value = value.map do | key, value |

          [ key, normalize( config, value, path_mappings ) ]

        end.to_h

      end

      if value.is_a? Array

        value = value.map do | value |

          normalize config, value, path_mappings

        end

      end

    elsif value.is_a? Hash

      value = value.map do | key, value |

        path_mappings = paths_mappings[ key ]

        if path_mappings

          [ key, normalize( config, value, path_mappings ) ]

        else

          [ key, value ]

        end

      end.to_h

    end

  end


  value

end

.validate!(data) ⇒ Object 



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# File 'lib/compote/schema.rb', line 221

def self.validate! ( data )

  scheme = Pathname.new( __FILE__ ).join( '../schema.json' ).to_path

  JSON::Validator.validate! scheme, data

rescue JSON::Schema::ValidationError => error

  raise ConfigFormatError.new error: error, data: data

end