1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
# frozen_string_literal: true
module Sass
# The abstract base class of Sass's value types.
#
# @see https://sass-lang.com/documentation/js-api/classes/value/
module Value
# @return [::String, nil]
def separator
nil
end
# @return [::Boolean]
def bracketed?
false
end
# @return [::Boolean]
def eql?(other)
self == other
end
# @param index [Numeric]
# @return [Value]
def [](index)
at(index)
end
# @param index [Numeric]
# @return [Value]
def at(index)
index < 1 && index >= -1 ? self : nil
end
# @return [Array<Value>]
def to_a
[self]
end
# @return [::Boolean]
def to_bool # rubocop:disable Naming/PredicateMethod
true
end
# @return [Map, nil]
def to_map
nil
end
# @return [Value, nil]
def to_nil
self
end
# @return [Boolean]
# @raise [ScriptError]
def assert_boolean(name = nil)
raise Sass::ScriptError.new("#{self} is not a boolean", name)
end
# @return [Calculation]
# @raise [ScriptError]
def assert_calculation(name = nil)
raise Sass::ScriptError.new("#{self} is not a calculation", name)
end
# @return [Color]
# @raise [ScriptError]
def assert_color(name = nil)
raise Sass::ScriptError.new("#{self} is not a color", name)
end
# @return [Function]
# @raise [ScriptError]
def assert_function(name = nil)
raise Sass::ScriptError.new("#{self} is not a function", name)
end
# @return [Map]
# @raise [ScriptError]
def assert_map(name = nil)
raise Sass::ScriptError.new("#{self} is not a map", name)
end
# @return [Mixin]
# @raise [ScriptError]
def assert_mixin(name = nil)
raise Sass::ScriptError.new("#{self} is not a mixin", name)
end
# @return [Number]
# @raise [ScriptError]
def assert_number(name = nil)
raise Sass::ScriptError.new("#{self} is not a number", name)
end
# @return [String]
# @raise [ScriptError]
def assert_string(name = nil)
raise Sass::ScriptError.new("#{self} is not a string", name)
end
# @param sass_index [Number]
# @return [Integer]
def sass_index_to_array_index(sass_index, name = nil)
index = sass_index.assert_number(name).assert_integer(name)
raise Sass::ScriptError.new('List index may not be 0', name) if index.zero?
if index.abs > to_a_length
raise Sass::ScriptError.new("Invalid index #{sass_index} for a list with #{to_a_length} elements", name)
end
index.negative? ? to_a_length + index : index - 1
end
private
def to_a_length
1
end
end
end
require_relative 'calculation_value'
require_relative 'value/list'
require_relative 'value/argument_list'
require_relative 'value/boolean'
require_relative 'value/calculation'
require_relative 'value/color'
require_relative 'value/function'
require_relative 'value/fuzzy_math'
require_relative 'value/map'
require_relative 'value/mixin'
require_relative 'value/null'
require_relative 'value/number'
require_relative 'value/string'
|
