-
Notifications
You must be signed in to change notification settings - Fork 142
/
_helpers.scss
154 lines (135 loc) · 4.26 KB
/
_helpers.scss
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
//////////////////////////////
// Converts the input value to Base EMs
//////////////////////////////
@use "sass:math";
@function breakpoint-to-base-em($value) {
$value-unit: unit($value);
// Will convert relative EMs into root EMs.
@if breakpoint-get('base font size') and type-of(breakpoint-get('base font size')) == 'number' and $value-unit == 'em' {
$base-unit: unit(breakpoint-get('base font size'));
@if $base-unit == 'px' or $base-unit == '%' or $base-unit == 'em' or $base-unit == 'pt' {
@return math.div(base-conversion($value), base-conversion(breakpoint-get('base font size'))) * 1em;
}
@else {
@warn '#{breakpoint-get(\'base font size\')} is not set in valid units for font size!';
@return false;
}
}
@else {
@return base-conversion($value);
}
}
@function base-conversion($value) {
$unit: unit($value);
@if $unit == 'px' {
@return math.div($value, 16px) * 1em;
}
@else if $unit == '%' {
@return math.div($value, 100%) * 1em;
}
@else if $unit == 'em' {
@return $value;
}
@else if $unit == 'pt' {
@return math.div($value, 12pt) * 1em;
}
@else {
@return $value;
// @warn 'Everything is terrible! What have you done?!';
}
}
//////////////////////////////
// Returns whether the feature can have a min/max pair
//////////////////////////////
$breakpoint-min-max-features: 'color',
'color-index',
'aspect-ratio',
'device-aspect-ratio',
'device-height',
'device-width',
'height',
'monochrome',
'resolution',
'width';
@function breakpoint-min-max($feature) {
@each $item in $breakpoint-min-max-features {
@if $feature == $item {
@return true;
}
}
@return false;
}
//////////////////////////////
// Returns whether the feature can have a string value
//////////////////////////////
$breakpoint-string-features: 'orientation',
'scan',
'color',
'aspect-ratio',
'device-aspect-ratio',
'pointer',
'luminosity';
@function breakpoint-string-value($feature) {
@each $item in $breakpoint-string-features {
@if breakpoint-min-max($item) {
@if $feature == 'min-#{$item}' or $feature == 'max-#{$item}' {
@return true;
}
}
@else if $feature == $item {
@return true;
}
}
@return false;
}
//////////////////////////////
// Returns whether the feature is a media type
//////////////////////////////
$breakpoint-media-types: 'all',
'braille',
'embossed',
'handheld',
'print',
'projection',
'screen',
'speech',
'tty',
'tv';
@function breakpoint-is-media($feature) {
@each $media in $breakpoint-media-types {
@if ($feature == $media) or ($feature == 'not #{$media}') or ($feature == 'only #{$media}') {
@return true;
}
}
@return false;
}
//////////////////////////////
// Returns whether the feature can stand alone
//////////////////////////////
$breakpoint-single-string-features: 'color',
'color-index',
'grid',
'monochrome';
@function breakpoint-single-string($feature) {
@each $item in $breakpoint-single-string-features {
@if $feature == $item {
@return true;
}
}
@return false;
}
//////////////////////////////
// Returns whether the feature
//////////////////////////////
@function breakpoint-is-resolution($feature) {
$resolutions: 'device-pixel-ratio', 'dpr';
@if breakpoint-get('transform resolutions') {
$resolutions: append($resolutions, 'resolution');
}
@each $reso in $resolutions {
@if index($feature, $reso) or index($feature, 'min-#{$reso}') or index($feature, 'max-#{$reso}') {
@return true;
}
}
@return false;
}