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Versions: 37
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Contents
# frozen_string_literal: true
require "refinements/strings"
module Gemsmith
module Gem
# Formats single or multiple modules with correct, two-space indentation for templates.
class ModuleFormatter
using Refinements::Strings
def self.indent length = 0
" " * length
end
def initialize namespace
@namespace = namespace
@modules = namespace.split "::"
@depth = namespace.scan("::").length
end
def render content
"#{prefix}#{body content}#{suffix.chomp}"
end
private
attr_reader :namespace, :modules, :depth
def prefix
modules.each.with_index.reduce "" do |result, (module_name, index)|
result + "#{self.class.indent index}module #{module_name}\n"
end
end
def body content
content.lstrip.split("\n").reduce "" do |body, line|
next "#{body}\n" if line.blank?
body + "#{self.class.indent depth + 1}#{line.gsub(/^\s{2}/, "")}\n"
end
end
def suffix
modules.each.with_index.reduce "" do |result, (_, index)|
result + "#{self.class.indent depth - index}end\n"
end
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems