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Contents
module SCSSLint
# Checks for uses of a color keyword instead of the preferred hexadecimal
# form.
class Linter::ColorKeyword < Linter
include LinterRegistry
COLOR_REGEX = /(#?[a-f0-9]{3,6}|[a-z]+)/i
def visit_script_color(node)
color = source_from_range(node.source_range)[COLOR_REGEX, 1]
add_color_lint(node, color) if color_keyword?(color)
end
def visit_script_string(node)
return unless node.type == :identifier
remove_quoted_strings(node.value).scan(/(^|\s)([a-z]+)(?=\s|$)/i) do |_, word|
add_color_lint(node, word) if color_keyword?(word)
end
end
private
def add_color_lint(node, original)
hex_form = Sass::Script::Value::Color.new(color_rgb(original)).tap do |color|
color.options = {} # `inspect` requires options to be set
end.inspect
add_lint(node,
"Color `#{original}` should be written in hexadecimal form " \
"as `#{hex_form}`")
end
def color_keyword?(string)
color_rgb(string) && string != 'transparent'
end
def color_rgb(string)
Sass::Script::Value::Color::COLOR_NAMES[string]
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems