// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash in front.
// Useful for making responsive utilities.
//
//	>> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//	""	(Returns a blank string)
//	>> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//	"-sm"
@function breakpoint-infix($name, $breakpoints: $grid-breakpoints) {
	@return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
}

/** Minimum breakpoint width. Null for the smallest (first) breakpoint.
 *
 *	>> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
 *	576px
 **/
@function breakpoint-min($name, $breakpoints: $grid-breakpoints) {
	$min: map-get($breakpoints, $name);
	@return if($min != 0, $min, null);
}