Log Constants

log_constants.rb

#config/initializers/log_constants

module LogConstantLoading
  @@log_depth = 0
  def load_missing_constant(from_mod, const_name)
    log_loading("load_missing_constant(#{from_mod}, #{const_name})") do
      super
    end
  end

  def remove_constant(const)
    log_loading("remove_constant(#{const})") do
      super
    end
  end

  def log_loading(msg)
    # Use `Rails.logger` instead of `puts`?
    whitespace = "  " * @@log_depth
    puts whitespace + msg
    @@log_depth += 1
    result = yield
    @@log_depth -= 1
    puts whitespace + "(done) " + msg
    result
  end
end

ActiveSupport::Dependencies.module_eval do
  class << self
    prepend(LogConstantLoading)
  end
end