class SCSSLint::Linter::DuplicateProperty
Checks for a property declared twice in a rule set.
Public Instance Methods
check_properties(node) { || ... }
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# File lib/scss_lint/linter/duplicate_property.rb, line 6 def check_properties(node) static_properties(node).each_with_object({}) do |prop, prop_names| prop_key = property_key(prop) if existing_prop = prop_names[prop_key] add_lint(prop, "Property `#{existing_prop.name.join}` already "\ "defined on line #{existing_prop.line}") else prop_names[prop_key] = prop end end yield # Continue linting children end
Also aliased as: visit_rule, visit_mixindef
Private Instance Methods
property_key(prop)
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Returns a key identifying the bucket this property and value correspond to for purposes of uniqueness.
# File lib/scss_lint/linter/duplicate_property.rb, line 34 def property_key(prop) prop_key = prop.name.join prop_value = property_value(prop) # Differentiate between values for different vendor prefixes prop_value.to_s.scan(/^(-[^-]+-.+)/) do |vendor_keyword| prop_key << vendor_keyword.first end prop_key end
property_value(prop)
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# File lib/scss_lint/linter/duplicate_property.rb, line 46 def property_value(prop) case prop.value when Sass::Script::Funcall prop.value.name when Sass::Script::String when Sass::Script::Tree::Literal prop.value.value else prop.value.to_s end end
static_properties(node)
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# File lib/scss_lint/linter/duplicate_property.rb, line 26 def static_properties(node) node.children .select { |child| child.is_a?(Sass::Tree::PropNode) } .reject { |prop| prop.name.any? { |item| item.is_a?(Sass::Script::Node) } } end