| 1 |
efrain |
1 |
// Breakpoint viewport sizes and media queries.
|
|
|
2 |
//
|
|
|
3 |
// Breakpoints are defined as a map of (name: minimum width), order from small to large:
|
|
|
4 |
//
|
|
|
5 |
// (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)
|
|
|
6 |
//
|
|
|
7 |
// The map defined in the `$grid-breakpoints` global variable is used as the `$breakpoints` argument by default.
|
|
|
8 |
|
|
|
9 |
// Name of the next breakpoint, or null for the last breakpoint.
|
|
|
10 |
//
|
|
|
11 |
// >> breakpoint-next(sm)
|
|
|
12 |
// md
|
|
|
13 |
// >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
|
|
|
14 |
// md
|
|
|
15 |
// >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))
|
|
|
16 |
// md
|
|
|
17 |
@function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {
|
|
|
18 |
$n: index($breakpoint-names, $name);
|
|
|
19 |
@return if($n != null and $n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);
|
|
|
20 |
}
|
|
|
21 |
|
|
|
22 |
// Minimum breakpoint width. Null for the smallest (first) breakpoint.
|
|
|
23 |
//
|
|
|
24 |
// >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
|
|
|
25 |
// 576px
|
|
|
26 |
@function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
|
|
|
27 |
$min: map-get($breakpoints, $name);
|
|
|
28 |
@return if($min != 0, $min, null);
|
|
|
29 |
}
|
|
|
30 |
|
|
|
31 |
// Maximum breakpoint width. Null for the largest (last) breakpoint.
|
|
|
32 |
// The maximum value is calculated as the minimum of the next one less 0.02px
|
|
|
33 |
// to work around the limitations of `min-` and `max-` prefixes and viewports with fractional widths.
|
|
|
34 |
// See https://www.w3.org/TR/mediaqueries-4/#mq-min-max
|
|
|
35 |
// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.
|
|
|
36 |
// See https://bugs.webkit.org/show_bug.cgi?id=178261
|
|
|
37 |
//
|
|
|
38 |
// >> breakpoint-max(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
|
|
|
39 |
// 767.98px
|
|
|
40 |
@function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
|
|
|
41 |
$next: breakpoint-next($name, $breakpoints);
|
|
|
42 |
@return if($next, breakpoint-min($next, $breakpoints) - .02, null);
|
|
|
43 |
}
|
|
|
44 |
|
|
|
45 |
// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.
|
|
|
46 |
// Useful for making responsive utilities.
|
|
|
47 |
//
|
|
|
48 |
// >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
|
|
|
49 |
// "" (Returns a blank string)
|
|
|
50 |
// >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
|
|
|
51 |
// "-sm"
|
|
|
52 |
@function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
|
|
|
53 |
@return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
|
|
|
54 |
}
|
|
|
55 |
|
|
|
56 |
// Media of at least the minimum breakpoint width. No query for the smallest breakpoint.
|
|
|
57 |
// Makes the @content apply to the given breakpoint and wider.
|
|
|
58 |
@mixin media-breakpoint-up($name, $breakpoints: $grid-breakpoints) {
|
|
|
59 |
$min: breakpoint-min($name, $breakpoints);
|
|
|
60 |
@if $min {
|
|
|
61 |
@media (min-width: $min) {
|
|
|
62 |
@content;
|
|
|
63 |
}
|
|
|
64 |
} @else {
|
|
|
65 |
@content;
|
|
|
66 |
}
|
|
|
67 |
}
|
|
|
68 |
|
|
|
69 |
// Media of at most the maximum breakpoint width. No query for the largest breakpoint.
|
|
|
70 |
// Makes the @content apply to the given breakpoint and narrower.
|
|
|
71 |
@mixin media-breakpoint-down($name, $breakpoints: $grid-breakpoints) {
|
|
|
72 |
$max: breakpoint-max($name, $breakpoints);
|
|
|
73 |
@if $max {
|
|
|
74 |
@media (max-width: $max) {
|
|
|
75 |
@content;
|
|
|
76 |
}
|
|
|
77 |
} @else {
|
|
|
78 |
@content;
|
|
|
79 |
}
|
|
|
80 |
}
|
|
|
81 |
|
|
|
82 |
// Media that spans multiple breakpoint widths.
|
|
|
83 |
// Makes the @content apply between the min and max breakpoints
|
|
|
84 |
@mixin media-breakpoint-between($lower, $upper, $breakpoints: $grid-breakpoints) {
|
|
|
85 |
$min: breakpoint-min($lower, $breakpoints);
|
|
|
86 |
$max: breakpoint-max($upper, $breakpoints);
|
|
|
87 |
|
|
|
88 |
@if $min != null and $max != null {
|
|
|
89 |
@media (min-width: $min) and (max-width: $max) {
|
|
|
90 |
@content;
|
|
|
91 |
}
|
|
|
92 |
} @else if $max == null {
|
|
|
93 |
@include media-breakpoint-up($lower, $breakpoints) {
|
|
|
94 |
@content;
|
|
|
95 |
}
|
|
|
96 |
} @else if $min == null {
|
|
|
97 |
@include media-breakpoint-down($upper, $breakpoints) {
|
|
|
98 |
@content;
|
|
|
99 |
}
|
|
|
100 |
}
|
|
|
101 |
}
|
|
|
102 |
|
|
|
103 |
// Media between the breakpoint's minimum and maximum widths.
|
|
|
104 |
// No minimum for the smallest breakpoint, and no maximum for the largest one.
|
|
|
105 |
// Makes the @content apply only to the given breakpoint, not viewports any wider or narrower.
|
|
|
106 |
@mixin media-breakpoint-only($name, $breakpoints: $grid-breakpoints) {
|
|
|
107 |
$min: breakpoint-min($name, $breakpoints);
|
|
|
108 |
$max: breakpoint-max($name, $breakpoints);
|
|
|
109 |
|
|
|
110 |
@if $min != null and $max != null {
|
|
|
111 |
@media (min-width: $min) and (max-width: $max) {
|
|
|
112 |
@content;
|
|
|
113 |
}
|
|
|
114 |
} @else if $max == null {
|
|
|
115 |
@include media-breakpoint-up($name, $breakpoints) {
|
|
|
116 |
@content;
|
|
|
117 |
}
|
|
|
118 |
} @else if $min == null {
|
|
|
119 |
@include media-breakpoint-down($name, $breakpoints) {
|
|
|
120 |
@content;
|
|
|
121 |
}
|
|
|
122 |
}
|
|
|
123 |
}
|