Class: Mote

Inherits:
Object
  • Object
show all
Defined in:
lib/mote/debug.rb

Overview

This mote plugin is meant to be used only during development, to help with debugging errors.

You debug errors by checking out:

tmp/cache/mote/*.mote.rb

The files written here are compiled, and you can explore how mote actually writes them. When you run into an error, the browser reports the line number in these files. From there you can check the actual offending line in the compiled mote file.

Class Method Summary collapse

Class Method Details

.cache(data) {|path| ... } ⇒ Object

Yields:

  • (path) 


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# File 'lib/mote/debug.rb', line 30

def self.cache(data)
  # First we write the generated the filename using the MD5
  # of the data. This prevents us from re-writing them if
  # ever we've already done so.
  path = cache_path(Digest::MD5.hexdigest(data) + ".mote.rb")

  # Now we can write the file into the specified path, if
  # it doesn't exist yet.
  write(path, data) unless File.exist?(path)

  yield path
end

.cache_path(*args) ⇒ Object

The default cache path is in your project /tmp folder.



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# File 'lib/mote/debug.rb', line 44

def self.cache_path(*args)
  File.join(Dir.pwd, "tmp/cache/mote", *args)
end

.compile(context, parts) ⇒ Object

This overrides the standard ‘Mote::compile` method by writing the compiled form into a file, and passing the filename into instance_eval. That way errors can be properly traced back to the actual offending line.



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# File 'lib/mote/debug.rb', line 22

def self.compile(context, parts)
  FileUtils.mkdir_p(cache_path) unless File.directory?(cache_path)

  cache(parts) do |path|
    context.instance_eval(parts, path, 1)
  end
end

.write(path, parts) ⇒ Object 



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# File 'lib/mote/debug.rb', line 48

def self.write(path, parts)
  File.open(path, "w") { |f| f.write(parts) }
end