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Contents
module SCSSLint
# Checks that `@extend` is always used with a placeholder selector.
class Linter::PlaceholderInExtend < Linter
include LinterRegistry
def visit_extend(node)
# Ignore if it cannot be statically determined that this selector is a
# placeholder since its prefix is dynamically generated
return if node.selector.first.is_a?(Sass::Script::Tree::Node)
# The array returned by the parser is a bit awkward in that it splits on
# every word boundary (so %placeholder becomes ['%', 'placeholder']).
selector = node.selector.join
if selector.include?(',')
add_lint(node, 'Avoid comma sequences in `@extend` directives; ' \
'prefer single placeholder selectors (e.g. `%some-placeholder`)')
elsif !selector.start_with?('%')
add_lint(node, 'Prefer using placeholder selectors (e.g. ' \
'%some-placeholder) with @extend')
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems