/
_breakpoints.scss
89 lines (73 loc) · 2.01 KB
/
_breakpoints.scss
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$grid-breakpoints: (
xs: 0,
sm: 576px,
md: 768px,
lg: 992px,
xl: 1200px
) !default;
@function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {
$n: index($breakpoint-names, $name);
@return if($n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);
}
@function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
$min: map-get($breakpoints, $name);
@return if($min != 0, $min, null);
}
@function breakpoint-max($name, $breakpoints: $grid-breakpoints) {
$next: breakpoint-next($name, $breakpoints);
@return if($next, breakpoint-min($next, $breakpoints) - .02px, null);
}
@mixin screen-up($name, $breakpoints: $grid-breakpoints) {
$min: breakpoint-min($name, $breakpoints);
@if $min {
@media (min-width: $min) {
@content;
}
} @else {
@content;
}
}
@mixin screen-down($name, $breakpoints: $grid-breakpoints) {
$max: breakpoint-max($name, $breakpoints);
@if $max {
@media (max-width: $max) {
@content;
}
} @else {
@content;
}
}
@mixin screen-between($lower, $upper, $breakpoints: $grid-breakpoints) {
$min: breakpoint-min($lower, $breakpoints);
$max: breakpoint-max($upper, $breakpoints);
@if $min != null and $max != null {
@media (min-width: $min) and (max-width: $max) {
@content;
}
} @else if $max == null {
@include screen-up($lower, $breakpoints) {
@content;
}
} @else if $min == null {
@include screen-down($upper, $breakpoints) {
@content;
}
}
}
@mixin screen-only($name, $breakpoints: $grid-breakpoints) {
$min: breakpoint-min($name, $breakpoints);
$max: breakpoint-max($name, $breakpoints);
@if $min != null and $max != null {
@media (min-width: $min) and (max-width: $max) {
@content;
}
} @else if $max == null {
@include screen-up($name, $breakpoints) {
@content;
}
} @else if $min == null {
@include screen-down($name, $breakpoints) {
@content;
}
}
}