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Versions: 22
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Contents
module SCSSLint
# Checks for rule sets nested deeper than a specified maximum depth.
class Linter::NestingDepth < Linter
include LinterRegistry
IGNORED_SELECTORS = [Sass::Selector::Parent, Sass::Selector::Pseudo].freeze
def visit_root(_node)
@max_depth = config['max_depth']
@depth = 1
yield # Continue linting children
end
def visit_rule(node)
return yield if ignore_selectors?(node)
if @depth > @max_depth
add_lint node, "Nesting should be no greater than #{@max_depth}, " \
"but was #{@depth}"
else
# Only continue if we didn't exceed the max depth already (this makes
# the lint less noisy)
@depth += 1
yield # Continue linting children
@depth -= 1
end
end
private
def ignore_selectors?(node)
return unless config['ignore_parent_selectors']
return unless node.parsed_rules
simple_selectors(node.parsed_rules).all? do |selector|
IGNORED_SELECTORS.include?(selector.class)
end
end
def simple_selectors(node)
node.members.flat_map(&:members).reject do |simple_sequence|
simple_sequence.is_a?(String)
end.flat_map(&:members)
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems