class SCSSLint::Linter::PlaceholderInExtend
Checks that `@extend` is always used with a placeholder selector.
Public Instance Methods
visit_extend(node)
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# File lib/scss_lint/linter/placeholder_in_extend.rb, line 6 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