Class: Javascripto::File

Inherits:
Package show all
Defined in:
lib/javascripto/file.rb

Constant Summary collapse

JS =

Define Constants

'.js'
@@files =

File Repository

{}
@@path_lookup_cache = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Package

#add_file_and_dependencies

Constructor Details

#initialize(path) ⇒ File

Returns a new instance of File.



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# File 'lib/javascripto/file.rb', line 24

def initialize(path)
  @path = path

  # Handle remote packages.
  first_line = ::File.open(@@js_root.join(@path + JS), &:gets)
  if first_line
    @remote_url = /\s*^\/\/\s*use_remote_package(.*)/.match(first_line)
    if @remote_url
      @remote_url = @remote_url.captures[0].strip
      @package = self
    end
  end
end

Instance Attribute Details

#package ⇒ Object

Returns the value of attribute package.



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# File 'lib/javascripto/file.rb', line 18

def package
  @package
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/javascripto/file.rb', line 18

def path
  @path
end

Class Method Details

.get_file(file_path) ⇒ Object

Return the file object instance.



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# File 'lib/javascripto/file.rb', line 68

def self.get_file(file_path)

  # Expand the file path.
  file_path = expand_path(file_path)

  # Look for the file object.
  if @@files[file_path]
    return @@files[file_path]
  end

  # Otherwise create a new one.
  @@files[file_path] = File.new(file_path)
end

.js_root=(root) ⇒ Object 



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# File 'lib/javascripto/file.rb', line 13

def self.js_root=(root)
  @@js_root = root
  @@load_path = ['lib', *Dir.glob(::File.join(@@js_root, "vendor/*")).map{|entry| "vendor/#{::File.basename(entry)}" } ]
end

Instance Method Details

#cache ⇒ Object

Override Package Methods



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# File 'lib/javascripto/file.rb', line 84

def cache
  # Disable rails caching for single file packages
  nil
end

#file_dependencies ⇒ Object 



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# File 'lib/javascripto/file.rb', line 38

def file_dependencies
  if @file_dependencies
    return @file_dependencies
  end

  # Only scan up to 15 lines.
  lines = []
  ::File.open(@@js_root.join(@path + JS), "r") do |file|
    15.times do
      if line = file.gets
        lines << line
      else
        break
      end
    end
  end

  # Indentify required files
  required_files = lines.map do |line|
    match = /\s*^\/\/\s*require(.*)/.match(line)
    if match
      # Remove whitespace and break on comma for multiple files
      match.captures[0].strip.split(/\s*,\s*/)
    end
  end.flatten.compact.uniq

  @file_dependencies = required_files.map{ |required_file| File.get_file(required_file) }
end

#package_dependencies ⇒ Object 



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# File 'lib/javascripto/file.rb', line 97

def package_dependencies
  unless @package_dependencies
    @package_dependencies = []

    # For each file dependency
    file_dependencies.each do |dependency|
      # It it's not already in a package...
      unless dependency.package
        # ...Make it it's own package.
        dependency.package = dependency
      end
      # Add files_dependency package as a package dependency.
      @package_dependencies << dependency.package
    end
    # Remove duplicates.
    @package_dependencies.uniq!
  end
  @package_dependencies
end

#package_files ⇒ Object 



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# File 'lib/javascripto/file.rb', line 89

def package_files
  [self]
end

#package_name ⇒ Object 



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# File 'lib/javascripto/file.rb', line 93

def package_name
  @path
end

#resource_path ⇒ Object 



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# File 'lib/javascripto/file.rb', line 20

def resource_path
  @remote_url || @path
end