Contents

# frozen_string_literal: true

require 'pastel'
require 'tty/pager'
require 'tty/screen'
require 'tty/tree'

module FakerBot
  class Renderer
    attr_reader :crayon, :hash, :options, :output, :pager

    def self.call(*args)
      new(*args).call
    end

    def initialize(hash, options, output)
      @hash = hash
      @options = options
      @output = output
      @crayon = Pastel.new(enabled: output.tty?)
      @pager = TTY::Pager.new(command: 'less -R')
    end

    def call
      if paginable?
        pager.page(render)
      else
        output.puts(render)
      end
    end

    def render
      tree.render
    end

    def tree
      @tree ||= TTY::Tree.new(build_tree)
    end

    def paginable?
      gt_screen_height? && output.tty?
    end

    def gt_screen_height?
      tree.nodes.size > TTY::Screen.height
    end

    private

    def build_tree
      result = hash.reduce({}) do |h, (faker, methods)|
        h.merge! node(faker, methods&.sort)
      end

      result.sort_by(&:to_s).to_h
    end

    def node(const, methods)
      {
        crayon.green(const.to_s) => leaf(const, methods)
      }
    end

    def leaf(const, methods)
      (methods || []).map { |m| crayon.cyan(*leaf_args(m, const)) }
    end

    def leaf_args(method, const)
      [method.to_s].tap { |arr| verbose_output(method, const, arr) if verbose? }
    end

    def verbose?
      options[:verbose]
    end

    def verbose_output(method, const, arr)
      fake, message = faker_method(method, const)
      arr << crayon.dim.white("=> #{fake}") << crayon.dim.magenta.bold(message.to_s)
    end

    def faker_method(method, const)
      [const.public_send(method), ensure_method_is_supported(method, const)]
    rescue ArgumentError => _exception
      ['N/A', '']
    end

    def ensure_method_is_supported(method, const)
      const.respond_to?(:"_deprecated_#{method}") ? ' ( WILL BE DEPRECATED )' : ''
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
fakerbot-0.4.4	lib/fakerbot/renderer.rb