Class: Collie::Linter::Rules::LongRule

Inherits:
Base
  • Object
show all
Defined in:
lib/collie/linter/rules/long_rule.rb

Overview

Detects rules with too many alternatives

Constant Summary collapse

DEFAULT_MAX_ALTERNATIVES = 
10

Constants inherited from Base

Base::VALID_SEVERITIES

Instance Method Summary collapse

Methods inherited from Base

#autocorrectable?, #initialize

Constructor Details

This class inherits a constructor from Collie::Linter::Base

Instance Method Details

#check(ast, _context = {}) ⇒ Object 



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# File 'lib/collie/linter/rules/long_rule.rb', line 15

def check(ast, _context = {})
  max_alternatives = config_value(:max_alternatives, DEFAULT_MAX_ALTERNATIVES)

  each_rule_like(ast) do |rule|
    alternatives_count = rule.alternatives.size

    next unless alternatives_count > max_alternatives

    add_offense(
      rule,
      message: "Rule '#{rule_like_name(rule)}' has #{alternatives_count} alternatives " \
               "(max: #{max_alternatives}). Consider refactoring."
    )
  end

  @offenses
end