Class: PuppetHerald::Javascript

Inherits:
Object
  • Object
show all
Defined in:
lib/puppet-herald/javascript.rb

Overview

A javascript processing class

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Javascript

Initialize JS class



6
7
8
9
 
# File 'lib/puppet-herald/javascript.rb', line 6

def initialize
  @files = nil
  @base = 'lib/puppet-herald/public'
end

Instance Method Details

#files ⇒ Array

Returns a list of JS files to be inserted into main HTML

Returns:

  • (Array) —

    list of JS’s



13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/puppet-herald/javascript.rb', line 13

def files
  require 'puppet-herald'
  @files = nil if PuppetHerald.in_dev?
  if @files.nil?
    public_dir = PuppetHerald.relative_dir(@base)
    all = Dir.chdir(public_dir) { Dir.glob('**/*.js') }
    all = all.reverse.reject { |file| file.match(/_test\.js$/) }
    @files = all.reject { |file| file.match(/bower_components/) }
  end
  @files
end

#uglify(mapname) ⇒ Hash

Uglify an application JS’s into one minified JS file

Parameters:

  • mapname (String) —

    name of source map to be put into uglified JS

Returns:

  • (Hash) —

    a hash with uglified JS and source map



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/puppet-herald/javascript.rb', line 28

def uglify(mapname)
  require 'uglifier'
  filenames = files
  sources = filenames.collect { |file| File.read(PuppetHerald.relative_dir("#{@base}/#{file}")) }
  source = sources.join "\n"
  options = {
    source_map_url:  mapname,
    source_filename: filenames[0],
    compress: {
      angular:    true,
      hoist_vars: true
    }
  }
  uglifier = Uglifier.new(options)
  uglified, source_map = uglifier.compile_with_map(source)
  { 'js' => uglified, 'js.map' => source_map }
end