Class: Webpacker::Compiler

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

Instance Method Summary collapse

Constructor Details

#initialize(webpacker) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/webpacker/compiler.rb', line 17

def initialize(webpacker)
  @webpacker = webpacker
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/webpacker/compiler.rb', line 21

def compile
  if stale?
    run_webpack.tap do |success|
      # We used to only record the digest on success
      # However, the output file is still written on error, meaning that the digest should still be updated.
      # If it's not, you can end up in a situation where a recompile doesn't take place when it should.
      # See https://github.com/rails/webpacker/issues/2113
      record_compilation_digest
    end
  else
    logger.debug "Everything's up-to-date. Nothing to do"
    true
  end
end

#fresh? ⇒ Boolean

Returns true if all the compiled packs are up to date with the underlying asset files.

Returns:

  • (Boolean) 


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# File 'lib/webpacker/compiler.rb', line 37

def fresh?
  last_compilation_digest&.== watched_files_digest
end

#stale? ⇒ Boolean

Returns true if the compiled packs are out of date with the underlying asset files.

Returns:

  • (Boolean) 


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# File 'lib/webpacker/compiler.rb', line 42

def stale?
  !fresh?
end