epau antimatter modular

user/themes/epau-antimatter/scss/nucleus/functions/_base.scss

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+@import "direction";
+@import "range";

user/themes/epau-antimatter/scss/nucleus/functions/_direction.scss

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+@function opposite-direction($dir) {
+	@if $dir == 'left' {
+		@return right;
+	}
+	@else if  $dir == 'right' {
+		@return left;
+	}
+	@else if $dir == 'ltr' {
+		@return rtl;
+	}
+	@else if $dir == 'rtl' {
+		@return ltr;
+	}
+	@else if $dir == 'top' {
+		@return bottom;
+	}
+	@else if $dir == 'bottom' {
+		@return top;
+	}
+	@else {
+		@warn "#{$dir} is not a direction! Make sure your direction is all lowercase!";
+		@return false;
+	}
+}
+
+@function named-direction($dir) {
+	@if $dir == 'ltr' {
+		@return left;
+	}
+	@else if $dir == 'rtl' {
+		@return right;
+	}
+	@else {
+		@warn "#{$dir} is not a valid HTML direction! Make sure you are using a valid HTML direction";
+		@return false;
+	}
+}

user/themes/epau-antimatter/scss/nucleus/functions/_range.scss

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+@function lower-bound($range){
+	@if length($range) <= 0 {
+		@return 0;
+	}
+	@return nth($range,1);
+}
+
+@function upper-bound($range) {
+	@if length($range) < 2 {
+		@return 999999999999;
+	}
+	@return nth($range, 2);
+}