| 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 | } |