748286b5 |
1 | // breakpoints.scss v1.0 | @ajlkn | MIT licensed */ |
2 | |
3 | // Vars. |
4 | |
5 | /// Breakpoints. |
6 | /// @var {list} |
7 | $breakpoints: () !global; |
8 | |
9 | // Mixins. |
10 | |
11 | /// Sets breakpoints. |
12 | /// @param {map} $x Breakpoints. |
13 | @mixin breakpoints($x: ()) { |
14 | $breakpoints: $x !global; |
15 | } |
16 | |
17 | /// Wraps @content in a @media block targeting a specific orientation. |
18 | /// @param {string} $orientation Orientation. |
19 | @mixin orientation($orientation) { |
20 | @media screen and (orientation: #{$orientation}) { |
21 | @content; |
22 | } |
23 | } |
24 | |
25 | /// Wraps @content in a @media block using a given query. |
26 | /// @param {string} $query Query. |
27 | @mixin breakpoint($query: null) { |
28 | |
29 | $breakpoint: null; |
30 | $op: null; |
31 | $media: null; |
32 | |
33 | // Determine operator, breakpoint. |
34 | |
35 | // Greater than or equal. |
36 | @if (str-slice($query, 0, 2) == '>=') { |
37 | |
38 | $op: 'gte'; |
39 | $breakpoint: str-slice($query, 3); |
40 | |
41 | } |
42 | |
43 | // Less than or equal. |
44 | @elseif (str-slice($query, 0, 2) == '<=') { |
45 | |
46 | $op: 'lte'; |
47 | $breakpoint: str-slice($query, 3); |
48 | |
49 | } |
50 | |
51 | // Greater than. |
52 | @elseif (str-slice($query, 0, 1) == '>') { |
53 | |
54 | $op: 'gt'; |
55 | $breakpoint: str-slice($query, 2); |
56 | |
57 | } |
58 | |
59 | // Less than. |
60 | @elseif (str-slice($query, 0, 1) == '<') { |
61 | |
62 | $op: 'lt'; |
63 | $breakpoint: str-slice($query, 2); |
64 | |
65 | } |
66 | |
67 | // Not. |
68 | @elseif (str-slice($query, 0, 1) == '!') { |
69 | |
70 | $op: 'not'; |
71 | $breakpoint: str-slice($query, 2); |
72 | |
73 | } |
74 | |
75 | // Equal. |
76 | @else { |
77 | |
78 | $op: 'eq'; |
79 | $breakpoint: $query; |
80 | |
81 | } |
82 | |
83 | // Build media. |
84 | @if ($breakpoint and map-has-key($breakpoints, $breakpoint)) { |
85 | |
86 | $a: map-get($breakpoints, $breakpoint); |
87 | |
88 | // Range. |
89 | @if (type-of($a) == 'list') { |
90 | |
91 | $x: nth($a, 1); |
92 | $y: nth($a, 2); |
93 | |
94 | // Max only. |
95 | @if ($x == null) { |
96 | |
97 | // Greater than or equal (>= 0 / anything) |
98 | @if ($op == 'gte') { |
99 | $media: 'screen'; |
100 | } |
101 | |
102 | // Less than or equal (<= y) |
103 | @elseif ($op == 'lte') { |
104 | $media: 'screen and (max-width: ' + $y + ')'; |
105 | } |
106 | |
107 | // Greater than (> y) |
108 | @elseif ($op == 'gt') { |
109 | $media: 'screen and (min-width: ' + ($y + 1) + ')'; |
110 | } |
111 | |
112 | // Less than (< 0 / invalid) |
113 | @elseif ($op == 'lt') { |
114 | $media: 'screen and (max-width: -1px)'; |
115 | } |
116 | |
117 | // Not (> y) |
118 | @elseif ($op == 'not') { |
119 | $media: 'screen and (min-width: ' + ($y + 1) + ')'; |
120 | } |
121 | |
122 | // Equal (<= y) |
123 | @else { |
124 | $media: 'screen and (max-width: ' + $y + ')'; |
125 | } |
126 | |
127 | } |
128 | |
129 | // Min only. |
130 | @else if ($y == null) { |
131 | |
132 | // Greater than or equal (>= x) |
133 | @if ($op == 'gte') { |
134 | $media: 'screen and (min-width: ' + $x + ')'; |
135 | } |
136 | |
137 | // Less than or equal (<= inf / anything) |
138 | @elseif ($op == 'lte') { |
139 | $media: 'screen'; |
140 | } |
141 | |
142 | // Greater than (> inf / invalid) |
143 | @elseif ($op == 'gt') { |
144 | $media: 'screen and (max-width: -1px)'; |
145 | } |
146 | |
147 | // Less than (< x) |
148 | @elseif ($op == 'lt') { |
149 | $media: 'screen and (max-width: ' + ($x - 1) + ')'; |
150 | } |
151 | |
152 | // Not (< x) |
153 | @elseif ($op == 'not') { |
154 | $media: 'screen and (max-width: ' + ($x - 1) + ')'; |
155 | } |
156 | |
157 | // Equal (>= x) |
158 | @else { |
159 | $media: 'screen and (min-width: ' + $x + ')'; |
160 | } |
161 | |
162 | } |
163 | |
164 | // Min and max. |
165 | @else { |
166 | |
167 | // Greater than or equal (>= x) |
168 | @if ($op == 'gte') { |
169 | $media: 'screen and (min-width: ' + $x + ')'; |
170 | } |
171 | |
172 | // Less than or equal (<= y) |
173 | @elseif ($op == 'lte') { |
174 | $media: 'screen and (max-width: ' + $y + ')'; |
175 | } |
176 | |
177 | // Greater than (> y) |
178 | @elseif ($op == 'gt') { |
179 | $media: 'screen and (min-width: ' + ($y + 1) + ')'; |
180 | } |
181 | |
182 | // Less than (< x) |
183 | @elseif ($op == 'lt') { |
184 | $media: 'screen and (max-width: ' + ($x - 1) + ')'; |
185 | } |
186 | |
187 | // Not (< x and > y) |
188 | @elseif ($op == 'not') { |
189 | $media: 'screen and (max-width: ' + ($x - 1) + '), screen and (min-width: ' + ($y + 1) + ')'; |
190 | } |
191 | |
192 | // Equal (>= x and <= y) |
193 | @else { |
194 | $media: 'screen and (min-width: ' + $x + ') and (max-width: ' + $y + ')'; |
195 | } |
196 | |
197 | } |
198 | |
199 | } |
200 | |
201 | // String. |
202 | @else { |
203 | |
204 | // Missing a media type? Prefix with "screen". |
205 | @if (str-slice($a, 0, 1) == '(') { |
206 | $media: 'screen and ' + $a; |
207 | } |
208 | |
209 | // Otherwise, use as-is. |
210 | @else { |
211 | $media: $a; |
212 | } |
213 | |
214 | } |
215 | |
216 | } |
217 | |
218 | // Output. |
219 | @media #{$media} { |
220 | @content; |
221 | } |
222 | |
223 | } |