Module: Ruby::Merge::ScaffoldChunkSupport

Defined in:
lib/ruby/merge/scaffold_chunk_support.rb

Defined Under Namespace

Classes: ChunkSpec

Constant Summary collapse

BUNDLER_GEM_TASKS_SPEC = 
ChunkSpec.new(
  anchor_type: :require_call,
  anchor_value: 'bundler/gem_tasks',
  satellite_patterns: [],
  jaccard_threshold: 0.35,
  max_lookahead: 0,
  max_lookbehind: 0
)
RSPEC_SPEC = 
ChunkSpec.new(
  anchor_type: :require_call,
  anchor_value: 'rspec/core/rake_task',
  satellite_patterns: ['RSpec::Core::RakeTask.new'],
  jaccard_threshold: 0.35,
  max_lookahead: 5,
  max_lookbehind: 2
)
RUBOCOP_SPEC = 
ChunkSpec.new(
  anchor_type: :require_call,
  anchor_value: 'rubocop/rake_task',
  satellite_patterns: ['RuboCop::RakeTask.new'],
  jaccard_threshold: 0.35,
  max_lookahead: 5,
  max_lookbehind: 2
)
DEFAULT_TASK_SPEC = 
ChunkSpec.new(
  anchor_type: :task_call,
  anchor_value: 'default',
  satellite_patterns: [],
  jaccard_threshold: 0.35,
  max_lookahead: 0,
  max_lookbehind: 0
)
ALL_SPECS = 
[BUNDLER_GEM_TASKS_SPEC, RSPEC_SPEC, RUBOCOP_SPEC, DEFAULT_TASK_SPEC].freeze

Class Method Summary collapse

Class Method Details

.jaccard(a_set, b_set) ⇒ Object 



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# File 'lib/ruby/merge/scaffold_chunk_support.rb', line 60

def jaccard(a_set, b_set)
  union = a_set | b_set
  return 0.0 if union.empty?

  (a_set & b_set).size.to_f / union.size
end

.jaccard_tokens(text) ⇒ Object 



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# File 'lib/ruby/merge/scaffold_chunk_support.rb', line 56

def jaccard_tokens(text)
  text.scan(/[A-Za-z0-9_]+/).to_set
end

.task_anchor_match?(source, anchor_value, threshold) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby/merge/scaffold_chunk_support.rb', line 67

def task_anchor_match?(source, anchor_value, threshold)
  node_tokens = jaccard_tokens(source.to_s)
  pattern_tokens = jaccard_tokens("task #{anchor_value}")
  jaccard(pattern_tokens, node_tokens) >= threshold
end