Class: JsShuffle::Methods::Method

Inherits:
Object
  • Object
show all
Defined in:
lib/jsshuffle/methods/method.rb

Overview

Wraps up a Method to obfuscate / shuffle the JS.

When subclassing Method define one or more of the three processing hooks:

preprocess

called in the first pass, this hook shouldn’t modify the AST

process

called as the second pass. Modify the AST here

postprocess

called last. This method gets passed the js in string form and is expected to return a string itself

Direct Known Subclasses

ParameterRenaming, VariableRenaming

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.inherited(subclass) ⇒ Object

Make sure #respond_to? works like expected, even though this class provides the hooks



49
50
51
52
53
54
 
# File 'lib/jsshuffle/methods/method.rb', line 49

def self.inherited( subclass )
    undef_method :preprocess    rescue ""
    undef_method :process       rescue "" 
    undef_method :postprocess   rescue ""
    super
end

Instance Method Details

#configure(options) ⇒ Object

Configures the Method instance given the option hash

Parameters:

options

The options hash



19
20
21
 
# File 'lib/jsshuffle/methods/method.rb', line 19

def configure( options )
    @options = options
end

#default_config ⇒ Object

Returns the hash of default options the Method accepts in the configure method



11
12
13
 
# File 'lib/jsshuffle/methods/method.rb', line 11

def default_config
    return {}
end

#postprocess(js, shuffler) ⇒ Object

Called last of the three hooks. Return the js!

Parameters:

js

The JS in string form

+shuffler

The Shuffler calling the hook



44
45
46
 
# File 'lib/jsshuffle/methods/method.rb', line 44

def postprocess( js, shuffler )
    js
end

#preprocess(ast, shuffler) ⇒ Object

Called in the first pass. Don’t modify the AST in here!

Parameters:

ast

The JS AST

+shuffler

The Shuffler calling the hook



28
29
 
# File 'lib/jsshuffle/methods/method.rb', line 28

def preprocess( ast, shuffler )
end

#process(ast, shuffler) ⇒ Object

Called in the second pass. Modify the AST here

Parameters:

js

The JS AST

+shuffler

The Shuffler calling the hook



36
37
 
# File 'lib/jsshuffle/methods/method.rb', line 36

def process( ast, shuffler )
end