class SCSSLint::Linter::HexLength
Checks that hexadecimal colors are written in the desired number of characters.
Constants
- HEX_REGEX
Public Instance Methods
visit_script_color(node)
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# File lib/scss_lint/linter/hex_length.rb, line 9 def visit_script_color(node) return unless hex = source_from_range(node.source_range)[HEX_REGEX, 1] check_hex(hex, node) end
visit_script_string(node)
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# File lib/scss_lint/linter/hex_length.rb, line 14 def visit_script_string(node) return unless node.type == :identifier node.value.scan(HEX_REGEX) do |match| check_hex(match.first, node) end end
Private Instance Methods
can_be_shorter?(hex)
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# File lib/scss_lint/linter/hex_length.rb, line 37 def can_be_shorter?(hex) hex.length == 7 && hex[1] == hex[2] && hex[3] == hex[4] && hex[5] == hex[6] end
check_hex(hex, node)
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# File lib/scss_lint/linter/hex_length.rb, line 24 def check_hex(hex, node) return if expected(hex) == hex add_lint(node, "Color `#{hex}` should be written as `#{expected(hex)}`") end
expected(hex)
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# File lib/scss_lint/linter/hex_length.rb, line 30 def expected(hex) return short_hex_form(hex) if can_be_shorter?(hex) && short_style? return long_hex_form(hex) if hex.length == 4 && !short_style? hex end
long_hex_form(hex)
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# File lib/scss_lint/linter/hex_length.rb, line 48 def long_hex_form(hex) [hex[0..1], hex[1], hex[2], hex[2], hex[3], hex[3]].join end
short_hex_form(hex)
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# File lib/scss_lint/linter/hex_length.rb, line 44 def short_hex_form(hex) [hex[0..1], hex[3], hex[5]].join end
short_style?()
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# File lib/scss_lint/linter/hex_length.rb, line 52 def short_style? config['style'] == 'short' end