Module AssetHat::JS

  1. lib/asset_hat/js.rb
  2. lib/asset_hat/js/vendors.rb
  3. show all

Methods for minifying JavaScript.

Methods

public class

  1. min_filepath
  2. minify

Classes and Modules

Module AssetHat::JS::Engines
Module AssetHat::JS::Vendors

Constants

ENGINES = [:weak, :jsmin]   A list of supported minification engine names.
VENDORS = Vendors::VENDORS   A list of supported 3rd-party JavaScript plugin/vendor names.

Public class methods

min_filepath (filepath)

Returns the expected path for the minified version of a JS asset: 

AssetHat::JS.min_filepath('public/javascripts/bundles/application.js')
  # => 'public/javascripts/bundles/application.min.js'
[show source] 
    # File lib/asset_hat/js.rb, line 19
19:     def self.min_filepath(filepath)
20:       AssetHat.min_filepath(filepath, 'js')
21:     end
minify (input_string, options={})

Accepts a string of JS, and returns that JS minified. Options:

engine
Default is :jsmin; see Engines.jsmin. Allowed values are in ENGINES.
[show source] 
    # File lib/asset_hat/js.rb, line 28
28:     def self.minify(input_string, options={})
29:       options.reverse_merge!(:engine => :jsmin)
30: 
31:       engine = options[:engine].to_sym
32:       unless ENGINES.include?(engine)
33:         raise %{
34:           Unknown JS minification engine '#{engine}'.
35:           Allowed: #{ENGINES.map{ |e| "'#{e}'" }.join(', ')}
36:         }.strip.gsub(/\s+/, ' ') and return
37:       end
38: 
39:       AssetHat::JS::Engines.send(engine, input_string).strip
40:     end