Class: Webpacker::FileLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/webpacker/file_loader.rb

Overview

Provides a base singleton-configuration pattern for loading a file, given a path

Direct Known Subclasses

Configuration, DevServer, Env, Manifest

Defined Under Namespace

Classes: FileLoaderError, NotFoundError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/webpacker/file_loader.rb', line 7

def data
  @data
end

#mtime ⇒ Object

Returns the value of attribute mtime.



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# File 'lib/webpacker/file_loader.rb', line 7

def mtime
  @mtime
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/webpacker/file_loader.rb', line 7

def path
  @path
end

Class Method Details

.file_path ⇒ Object

Raises:



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# File 'lib/webpacker/file_loader.rb', line 20

def file_path
  raise FileLoaderError.new("Subclass of Webpacker::FileLoader should override this method")
end

.load_instance(path = file_path) ⇒ Object 



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# File 'lib/webpacker/file_loader.rb', line 10

def load_instance(path = file_path)
  # Assume production is 100% cached and don't reload if file's mtime not changed
  cached = self.instance && # if we have a singleton
    (env == "production" || # skip if production bc always cached
      (File.exist?(path) && self.instance.mtime == File.mtime(path))) # skip if mtime not changed

  return if cached
  self.instance = new(path)
end

.reset ⇒ Object 



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# File 'lib/webpacker/file_loader.rb', line 24

def reset
  self.instance = nil
  load_instance
end