Class: Iconmap::Map

Inherits:
Object
  • Object
show all
Defined in:
lib/iconmap/map.rb

Defined Under Namespace

Classes: InvalidFile, MappedFile

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Map

Returns a new instance of Map.



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# File 'lib/iconmap/map.rb', line 12

def initialize
  @packages = {}
  @cache = {}
end

Instance Attribute Details

#packages ⇒ Object (readonly)

Returns the value of attribute packages.



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# File 'lib/iconmap/map.rb', line 6

def packages
  @packages
end

Instance Method Details

#cache_sweeper(watches: nil) ⇒ Object

Returns an instance of ActiveSupport::EventedFileUpdateChecker configured to clear the cache of the map when the directories passed on initialization via watches: have changes. This is used in development and test to ensure the map caches are reset when icon files are changed.



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# File 'lib/iconmap/map.rb', line 40

def cache_sweeper(watches: nil)
  if watches
    @cache_sweeper =
      Rails.application.config.file_watcher.new([], Array(watches).collect { |dir| [dir.to_s, 'svg'] }.to_h) do
        clear_cache
      end
  else
    @cache_sweeper
  end
end

#draw(path = nil) ⇒ Object 



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# File 'lib/iconmap/map.rb', line 17

def draw(path = nil, &)
  if path && File.exist?(path)
    begin
      instance_eval(File.read(path), path.to_s)
    rescue StandardError => e
      Rails.logger.error "Unable to parse icon map from #{path}: #{e.message}"
      raise InvalidFile, "Unable to parse icon map from #{path}: #{e.message}"
    end
  elsif block_given?
    instance_eval(&)
  end

  self
end

#pin(name) ⇒ Object 



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# File 'lib/iconmap/map.rb', line 32

def pin(name)
  clear_cache
  @packages[name] = MappedFile.new(name: name)
end