Class: Inesita::LiveReload

Inherits:
Object
  • Object
show all
Defined in:
lib/inesita/live_reload.rb

Constant Summary collapse

INJECT_CODE = 
Opal.compile(File.read(File.expand_path('../../../opal/inesita/live_reload.rb', __FILE__)))

Instance Method Summary collapse

Constructor Details

#initialize(app, _options = {}) ⇒ LiveReload

Returns a new instance of LiveReload.



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# File 'lib/inesita/live_reload.rb', line 7

def initialize(app, _options = {})
  @app = app
  Thread.new do
    begin
      init_live_reload
    rescue => e
      puts e
    end
  end
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/inesita/live_reload.rb', line 18

def call(env)
  status, headers, body = @app.call(env)
  if status == 200
    new_body = inject_script(body)
    headers['Content-Length'] = new_body.bytesize.to_s
    [status, headers, [new_body]]
  else
    [status, headers, body]
  end
end

#init_live_reload ⇒ Object 



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# File 'lib/inesita/live_reload.rb', line 35

def init_live_reload
  AppFilesListener.instance
  server = Rubame::Server.new('0.0.0.0', 23654)
  loop do
    server.run do |ws|
      ws.onopen    { AppFilesListener.instance.add_ws(ws) }
      ws.onclose   { AppFilesListener.instance.rm_ws(ws) }
      ws.onmessage { |msg| ws.send 'pong' if msg == 'ping' }
    end
  end
end

#inject_script(body) ⇒ Object 



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# File 'lib/inesita/live_reload.rb', line 29

def inject_script(body)
  new_body = ''
  body.each { |line| new_body += line.to_s }
  new_body.gsub('{ Opal.loaded', "{ #{INJECT_CODE} Opal.loaded")
end