rusilko

var elements = document.querySelectorAll("div"),
    callback = (el) => { console.log(el); };

// Spread operator
[...elements].forEach(callback);

// Array.from()
Array.from(elements).forEach(callback);

// for...of statement

rusilko

ArgumentError: missing keyword: input_b, when using: Defaults::Result1, to calculate: result_1
  from /Users/rusilko/Projects/creditor/evaluate.rb:78:in `block in call'

rusilko

ArgumentError: missing keyword: input_b
  from /Users/rusilko/Projects/creditor/evaluate.rb:78:in `block in call'

rusilko

  def evaluation_steps
    {
      result_1: ::Defaults::Result1,
      result_2: ::Defaults::Result2,
      result_3: lambda { |input_a:, input_b:, **kwargs| input_a + input_b }
    }
  end

rusilko

OUTPUT = { 
  input_a: 10,
  input_b: 20,
  input_c: 30,
  result_1: 60,
  result_2: 18.2
}

rusilko

class Evaluate
  def call(input_data, bank)
    initial_data = input_data.merge(bank.parameters)
    steps = bank.evaluation_steps
    
    steps.inject(initial_data) do |data, (result_name, calculate_result)|
      begin
        data.merge({ result_name.to_sym => calculate_result.(data) })
      rescue ArgumentError
        raise $!, "#{$!}, when using: #{calculate_result}, to calculate: #{result_name}", $!.backtrace

rusilko

class BankA  
  module Result3
    def self.call(result_1:, result_2:, **kwargs)
      result_1 - result_2
    end
  end
  
  def evaluation_steps
    {
      result_1: ::Defaults::Result1,

rusilko

class Evaluate
  def call(input_data, bank)
    initial_data = input_data.merge(bank.parameters)
    steps = bank.evaluation_steps
    
    steps.inject(initial_data) do |data, (result_name, calculate_result)|
      data.merge({ result_name.to_sym => calculate_result.(data) })
    end
  end
end

rusilko

class DataWrapper
  def initialize(data_hash)
    raise ArgumentError unless data_hash.is_a? Hash
    @data_hash = data_hash
  end

  def add(name, value)
    DataWrapper.new(data_hash.merge({ name.to_sym => value }))
  end

rusilko

RAW_INPUT = { 
  input_a: 10,
  input_b: 20,
  input_c: 30
}