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Sass for media queries
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$mq-min-width-mobile: null; | |
$mq-min-width-tablet: 768px; | |
$mq-min-width-desktop: 992px; | |
$mq-min-breakpoints: ( | |
mobile: $mq-min-width-mobile, | |
tablet: $mq-min-width-tablet, | |
desktop: $mq-min-width-desktop | |
); | |
$mq-max-width-mobile: $mq-min-width-tablet - 1px; | |
$mq-max-width-tablet: $mq-min-width-desktop - 1px; | |
$mq-max-width-desktop: null; | |
$mq-max-breakpoints: ( | |
mobile: $mq-max-width-mobile, | |
tablet: $mq-max-width-tablet, | |
desktop: $mq-max-width-desktop | |
); | |
@function mq-get-breakpoint($name, $breakpoints) { | |
@if map-has-key($breakpoints, $name) { | |
@return map-get($breakpoints, $name); | |
} @else { | |
@error "Invalid argument: #{$name}."; | |
} | |
} | |
@function mq-get-media-query($min-name: null, $max-name: null) { | |
$min-width: null; | |
$max-width: null; | |
@if $min-name { | |
$min-width: mq-get-breakpoint($min-name, $mq-min-breakpoints); | |
} | |
@if $max-name { | |
$max-width: mq-get-breakpoint($max-name, $mq-max-breakpoints); | |
} | |
@if $min-width and $max-width { | |
@if $min-width < $max-width { | |
@return "screen and (min-width: #{$min-width}) and (max-width: #{$max-width})"; | |
} @else { | |
@error "Invalid arguments: $min-name is greater than $max-name."; | |
} | |
} @else if $min-width { | |
@return "screen and (min-width: #{$min-width})"; | |
} @else if $max-width { | |
@return "screen and (max-width: #{$max-width})"; | |
} @else { | |
@error "Invalid arguments: $min-name and $max-name are both null."; | |
} | |
} | |
@mixin mq($min-name, $max-name: null) { | |
$media-query: mq-get-media-query($min-name, $max-name); | |
@if $media-query { | |
@media #{$media-query} { | |
@content; | |
} | |
} @else { | |
@content; | |
} | |
} |
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.foo { | |
color: red; | |
@include mq(tablet) { | |
color: green; | |
} | |
@include mq(desktop) { | |
color: blue; | |
} | |
} | |
.bar { | |
@include mq(null, mobile) { | |
color: red; | |
} | |
@include mq(tablet, tablet) { | |
color: green; | |
} | |
@include mq(desktop) { | |
color: blue; | |
} | |
} | |
// output | |
.foo { | |
color: red; | |
} | |
@media screen and (min-width: 768px) { | |
.foo { | |
color: green; | |
} | |
} | |
@media screen and (min-width: 992px) { | |
.foo { | |
color: blue; | |
} | |
} | |
@media screen and (max-width: 767px) { | |
.bar { | |
color: red; | |
} | |
} | |
@media screen and (min-width: 768px) and (max-width: 991px) { | |
.bar { | |
color: green; | |
} | |
} | |
@media screen and (min-width: 992px) { | |
.bar { | |
color: blue; | |
} | |
} |
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