Class: SCSSLint::AutoCorrect::PropertySorter

Inherits:
Object
  • Object
show all
Defined in:
lib/scss_lint/auto_correct/property_sorter.rb

Instance Method Summary collapse

Constructor Details

#initialize(rules: "") ⇒ PropertySorter

Returns a new instance of PropertySorter.



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 5

def initialize(rules: "")
  @rules = rules
end

Instance Method Details

#compare_by_order(a, b) ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 74

def compare_by_order(a, b)
  (preferred_order.index(a[:property]) || Float::INFINITY) <=>
    (preferred_order.index(b[:property]) || Float::INFINITY)
end

#compare_by_vendor(a, b) ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 79

def compare_by_vendor(a, b)
  if a[:vendor] && b[:vendor]
    a[:vendor] <=> b[:vendor]
  elsif a[:vendor]
    -1
  elsif b[:vendor]
    1
  else
    0
  end
end

#compare_lines(a, b) ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 58

def compare_lines(a, b)
  compare_properties \
    parse_line(a),
    parse_line(b)
end

#compare_properties(a, b) ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 64

def compare_properties(a, b)
  if a[:property] == b[:property]
    compare_by_vendor(a, b)
  elsif preferred_order.any?
    compare_by_order(a, b)
  else
    a[:property] <=> b[:property]
  end
end

#parse_line(line) ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 35

def parse_line(line)
  mm = line.match(/^\s*([^:]+):/)
  full = mm[1]
  ['$', '@', '('].each do |char|
    return nil if full.include? char
  end
  if full[0] == "-"
    mm2 = full.match(/^-([^-]+)-(.*)$/)
    {
      vendor: mm2[1],
      property: mm2[2],
      line: line
    }
  else
    {
      property: full,
      line: line
    }
  end
rescue
  nil
end

#preferred_order ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 9

def preferred_order
  return @preferred_order unless @preferred_order.nil?
  path = File.join \
    SCSSLint::SCSS_LINT_DATA,
    "property-sort-orders",
    "#{@rules}.txt"

  @preferred_order = []

  if File.file?(path)
    @preferred_order = File.open(path) \
      .read
      .split("\n")
      .reject { |line| line =~ /^\s*#/ || line.strip == "" }
  end

  @preferred_order
end

#property?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 28

def property?(line)
  parsed = parse_line(line)
  return false if parsed.nil?
  !!parsed[:property]
  # !preferred_order.index(parsed[:property]).nil?
end

#sort_lines(lines) ⇒ Object 



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# File 'lib/scss_lint/auto_correct/property_sorter.rb', line 91

def sort_lines(lines)
  lines.sort { |a,b| compare_lines(a, b) }
end