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module SCSSLint
# Check for allowed units
class Linter::PropertyUnits < Linter
include LinterRegistry
def visit_root(_node)
@globally_allowed_units = config['global'].to_set
@allowed_units_for_property = config['properties']
yield # Continue linting children
end
def visit_prop(node)
property = node.name.join
# Handle nested properties by ensuring the full name is extracted
if @nested_under
property = "#{@nested_under}-#{property}"
end
if node.value.respond_to?(:value) &&
units = node.value.value.to_s[/(?:^|\s)(?:\d+|\d*\.?\d+)([a-z%]+)/i, 1]
check_units(node, property, units)
end
@nested_under = property
yield # Continue linting nested properties
@nested_under = nil
end
private
# Checks if a property value's units are allowed.
#
# @param node [Sass::Tree::Node]
# @param property [String]
# @param units [String]
def check_units(node, property, units)
allowed_units = allowed_units_for_property(property)
return if allowed_units.include?(units)
add_lint(node,
"#{units} units not allowed on `#{property}`; must be one of " \
"(#{allowed_units.to_a.sort.join(', ')})")
end
# Return the list of allowed units for a property.
#
# @param property [String]
# @return Array<String>
def allowed_units_for_property(property)
if @allowed_units_for_property.key?(property)
@allowed_units_for_property[property]
else
@globally_allowed_units
end
end
end
end
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6 entries across 6 versions & 3 rubygems