Class: Humid

Inherits:
Object
  • Object
show all
Defined in:
lib/humid.rb,
lib/humid/version.rb,
lib/humid/log_subscriber.rb,
lib/humid/controller_runtime.rb

Defined Under Namespace

Modules: ControllerRuntime Classes: FileNotFound, LogSubscriber, RenderError

Constant Summary collapse

VERSION = 
"0.2.0".freeze
@@context = 
nil

Class Method Summary collapse

Class Method Details

.configure {|config| ... } ⇒ Object

Yields:

  • (config) 


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# File 'lib/humid.rb', line 27

def configure
  yield config
end

.context ⇒ Object 



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# File 'lib/humid.rb', line 55

def context
  @@context
end

.create_context ⇒ Object 



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# File 'lib/humid.rb', line 66

def create_context
  ctx = MiniRacer::Context.new(**config.context_options)

  if logger
    fmt = config.log_formatter || proc { |_level, message, *_rest| message }
    ctx.attach("console.log", proc { |*args| logger.debug(fmt.call(:debug, *args)) })
    ctx.attach("console.info", proc { |*args| logger.info(fmt.call(:info, *args)) })
    ctx.attach("console.error", proc { |*args| logger.error(fmt.call(:error, *args)) })
    ctx.attach("console.warn", proc { |*args| logger.warn(fmt.call(:warn, *args)) })
  end

  js = ""
  js << remove_functions
  js << renderer
  ctx.eval(js)

  source_path = config.application_path
  map_path = config.source_map_path

  if map_path
    ctx.attach("readSourceMap", proc { File.read(map_path) })
  end

  filename = File.basename(source_path.to_s)
  @@current_filename = filename
  ctx.eval(File.read(source_path), filename: filename)

  @@context = ctx
end

.dispose ⇒ Object 



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# File 'lib/humid.rb', line 59

def dispose
  if @@context
    @@context.dispose
    @@context = nil
  end
end

.logger ⇒ Object 



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# File 'lib/humid.rb', line 42

def logger
  config.logger
end

.remove_functions ⇒ Object 



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# File 'lib/humid.rb', line 31

def remove_functions
  <<~JS
    delete this.setTimeout;
    delete this.setInterval;
    delete this.clearTimeout;
    delete this.clearInterval;
    delete this.setImmediate;
    delete this.clearImmediate;
  JS
end

.render(*args) ⇒ Object 



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# File 'lib/humid.rb', line 96

def render(*args)
  ActiveSupport::Notifications.instrument("render.humid") do
    context.call("__renderer", *args)
  rescue MiniRacer::RuntimeError => e
    message = ([e.message] + e.backtrace.filter { |x| x.starts_with? "JavaScript" }).join("\n")
    render_error = Humid::RenderError.new(message)

    if config.raise_render_errors
      raise render_error
    else
      config.logger.error(render_error.inspect)
      ""
    end
  end
end

.renderer ⇒ Object 



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# File 'lib/humid.rb', line 46

def renderer
  <<~JS
    var __renderer;
    function setHumidRenderer(fn) {
      __renderer = fn;
    }
  JS
end