string_quotes.rb in scss-lint-0.28.0

- old
+ new

@@ -1,9 +1,20 @@
 module SCSSLint
   # Checks the type of quotes used in string literals.
   class Linter::StringQuotes < Linter
     include LinterRegistry
 
+    def visit_script_stringinterpolation(node)
+      # We can't statically determine what the resultant string looks like when
+      # string interpolation is used, e.g. "one #{$var} three" could be a very
+      # different string depending on $var = `'" + "'` or $var = `two`.
+      #
+      # Thus we manually skip the substrings in the string interpolation and
+      # visit the expressions in the interpolation itself.
+      node.children.reject { |child| child.is_a?(Sass::Script::Tree::Literal) }
+                   .each { |child| visit(child) }
+    end
+
     def visit_script_string(node)
       check_quotes(node, source_from_range(node.source_range))
     end
 
     def visit_import(node)