Class: Milktea::Loader

Inherits:
Object
  • Object
show all
Defined in:
lib/milktea/loader.rb

Overview

Auto loading and hot reloading implementation for Milktea applications

Instance Method Summary collapse

Constructor Details

#initialize(config = nil) ⇒ Loader

Returns a new instance of Loader.



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# File 'lib/milktea/loader.rb', line 8

def initialize(config = nil)
  @config = config || Milktea.config
  @autoload_paths = @config.autoload_paths
  @runtime = @config.runtime
  @loader = nil
  @listeners = []
end

Instance Method Details

#hot_reload ⇒ Object 



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# File 'lib/milktea/loader.rb', line 23

def hot_reload
  gem "listen"
  require "listen"

  @listeners = @autoload_paths.map do |path|
    Listen.to(path, only: /\.rb$/) do |modified, added, removed|
      reload if modified.any? || added.any? || removed.any?
    end
  end

  @listeners.each(&:start)
rescue Gem::LoadError
  # Listen gem not available, skip file watching
end

#reload ⇒ Object 



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# File 'lib/milktea/loader.rb', line 38

def reload
  return unless @loader

  @loader.reload
  @runtime.enqueue(Message::Reload.new)
end

#setup ⇒ Object 



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# File 'lib/milktea/loader.rb', line 16

def setup
  @loader = Zeitwerk::Loader.new
  @autoload_paths.each { |path| @loader.push_dir(path) }
  @loader.enable_reloading
  @loader.setup
end