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Sass mobile-first media queries mixins
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/* | |
* Sass mobile-first media queries mixins | |
* @author Franco Moya - @iamravenous | |
*/ | |
/* Breakpoints list map based on Bootstrap 4 grid */ | |
$breakpoints: ( | |
xs: 0, | |
sm: 544px, | |
md: 768px, | |
lg: 992px, | |
xl: 1200px | |
) !default; | |
/* | |
* Default mobile-first mixin | |
* @param {String} $breakpoint - Breakpoint key in Sass map | |
* @param {Map} $map - Sass list map of breakpoints | |
*/ | |
@mixin media($breakpoint, $map: $breakpoints) { | |
@if type-of($map) == map { | |
@if map-has-key($map, $breakpoint) { | |
@media (min-width: #{map-get($map, $breakpoint)}) { | |
@content; | |
} | |
} | |
@else { | |
@warn "Unfortunately, no value could be retrieved from `#{$breakpoint}`. " | |
+ "Please make sure it is defined in breakpoints map."; | |
} | |
} | |
@else { | |
@warn "Unfortunately, the map `#{$map}` isn't defined or is invalid." | |
} | |
} | |
/* | |
* Hack mobile-first mixin | |
* @param {String} $breakpoint - Breakpoint key in Sass map | |
*/ | |
@mixin media-max($breakpoint) { | |
$max-width: get-next($breakpoint, $map: $breakpoints); | |
@media (max-width: $max-width - 1) { | |
@content; | |
} | |
} | |
/* | |
* Function to get next map item | |
* @author Simon Koch | |
* | |
* @param {Map} $map - Sass list map | |
* @param {String} $key - List map key | |
* | |
*/ | |
@function get-next($key, $map) { | |
@if map-has-key($map, $key) { | |
$i: 0; | |
$key-index: false; | |
@each $map-key, $map-value in $map { | |
$i: $i + 1; | |
@if $map-key == $key { | |
$key-index: $i; | |
} | |
@if $i == $key-index + 1 { | |
@return $map-value; | |
} | |
@if $i == length($map) { | |
@return $map-value; | |
} | |
} | |
} | |
} |
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