Class: JekyllAssetPipeline::Pipeline

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll_asset_pipeline/pipeline.rb

Overview

The pipeline itself, the run method is where it all happens rubocop:disable ClassLength

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(manifest, prefix, source, destination, type, options = {}) ⇒ Pipeline

Initialize new pipeline rubocop:disable ParameterLists



86
87
88
89
90
91
92
93
94
95
96
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 86

def initialize(manifest, prefix, source, destination, type, options = {})
  # rubocop:enable ParameterLists
  @manifest = manifest
  @prefix = prefix
  @source = source
  @destination = destination
  @type = type
  @options = ::JekyllAssetPipeline::DEFAULTS.merge(options)

  process
end

Instance Attribute Details

#assets ⇒ Object (readonly)

Returns the value of attribute assets.



98
99
100
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 98

def assets
  @assets
end

#destination ⇒ Object (readonly)

Returns the value of attribute destination.



98
99
100
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 98

def destination
  @destination
end

#html ⇒ Object (readonly)

Returns the value of attribute html.



98
99
100
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 98

def html
  @html
end

Class Method Details

.cache ⇒ Object

Cache processed pipelines



47
48
49
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 47

def cache
  @cache ||= {}
end

.clear_cache ⇒ Object

Empty cache



52
53
54
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 52

def clear_cache
  @cache = {}
end

.hash(source, manifest, options = {}) ⇒ Object

Generate hash based on manifest



8
9
10
11
12
13
14
15
16
17
18
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 8

def hash(source, manifest, options = {})
  options = DEFAULTS.merge(options)
  begin
    Digest::MD5.hexdigest(YAML.safe_load(manifest).map! do |path|
      "#{path}#{File.mtime(File.join(source, path)).to_i}"
    end.join.concat(options.to_s))
  rescue StandardError => se
    puts "Failed to generate hash from provided manifest: #{se.message}"
    raise se
  end
end

.puts(message) ⇒ Object

Add prefix to output



64
65
66
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 64

def puts(message)
  $stdout.puts("Asset Pipeline: #{message}")
end

.remove_staged_assets(source, config) ⇒ Object

Remove staged assets



57
58
59
60
61
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 57

def remove_staged_assets(source, config)
  config = DEFAULTS.merge(config)
  staging_path = File.join(source, config['staging_path'])
  FileUtils.rm_rf(staging_path)
end

.run(manifest, prefix, source, destination, tag, type, config) ⇒ Object

Run the pipeline This is called from JekyllAssetPipeline::LiquidBlockExtensions.render or, to be more precise, from JekyllAssetPipeline::CssAssetTag.render and JekyllAssetPipeline::JavaScriptAssetTag.render rubocop:disable ParameterLists



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/jekyll_asset_pipeline/pipeline.rb', line 25

def run(manifest, prefix, source, destination, tag, type, config)
  # rubocop:enable ParameterLists
  # Get hash for pipeline
  hash = hash(source, manifest, config)

  # Check if pipeline has been cached
  return cache[hash], true if cache.key?(hash)

  begin
    puts "Processing '#{tag}' manifest '#{prefix}'"
    pipeline = new(manifest, prefix, source, destination, type, config)
    process_pipeline(hash, pipeline)
  rescue StandardError => se
    # Add exception to cache
    cache[hash] = se

    # Re-raise the exception
    raise se
  end
end