Method: Hanami::Utils::Files.remove_block

Defined in:
lib/hanami/utils/files.rb

.remove_block(path, target) ⇒ Object

Removes target block from path

Examples:

require "hanami/utils/files"

puts File.read("app.rb")

# class App
#   configure do
#     root __dir__
#   end
# end

Hanami::Utils::Files.remove_block("app.rb", "configure")

puts File.read("app.rb")

# class App
# end

Parameters:

  • path (String, Pathname) —

    the path to file

  • target (String) —

    the target block to remove

Raises:

  • (Errno::ENOENT) —

    if the path doesn’t exist

  • (ArgumentError) —

    if target cannot be found in path

Since:

  • 1.1.0



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# File 'lib/hanami/utils/files.rb', line 312

def self.remove_block(path, target)
  content  = ::File.readlines(path)
  starting = index(content, path, target)
  line     = content[starting]
  size     = line[/\A[[:space:]]*/].bytesize
  closing  = (" " * size) + (/{/.match?(target) ? "}" : "end")
  ending   = starting + index(content[starting..], path, closing)

  content.slice!(starting..ending)
  write(path, content)

  remove_block(path, target) if match?(content, target)
end