_unit.scss in foundation-rails-6.9.0.0

- old
+ new
@@ -1,7 +1,60 @@
+@use "sass:math";
+
 /// Removes the unit (e.g. px, em, rem) from a value, returning the number only.
 /// @param {Number} $num - Number to strip unit from.
 /// @return {Number} The same number, sans unit.
 /// @access private
+
+/// Divide the given `$divident` by the given `$divisor`.
+///
+/// @param {Number} $divident - The divident.
+/// @param {Number} $divisor - The divisor.
+/// @param {Number} $precision - The precision decimals for the division.
+///
+/// @return {Number} The product of the division.
+@function divide($dividend, $divisor, $precision: 12) {
+  $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
+  $dividend: math.abs($dividend);
+  $divisor: math.abs($divisor);
+  @if $dividend == 0 {
+    @return 0;
+  }
+  @if $divisor == 0 {
+    @error 'Cannot divide by 0';
+  }
+  $remainder: $dividend;
+  $result: 0;
+  $factor: 10;
+  @while ($remainder > 0 and $precision >= 0) {
+    $quotient: 0;
+    @while ($remainder >= $divisor) {
+      $remainder: $remainder - $divisor;
+      $quotient: $quotient + 1;
+    }
+    $result: $result * 10 + $quotient;
+    $factor: $factor * 0.1;
+    $remainder: $remainder * 10;
+    $precision: $precision - 1;
+    @if ($precision < 0 and $remainder >= $divisor * 5) {
+      $result: $result + 1;
+    }
+  }
+  $result: $result * $factor * $sign;
+  $dividend-unit: unit($dividend);
+  $divisor-unit: unit($divisor);
+  $unit-map: (
+    'px': 1px,
+    'rem': 1rem,
+    'em': 1em,
+    '%': 1%
+  );
+  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
+    $result: $result * map-get($unit-map, $dividend-unit);
+  }
+
+  @return $result;
+}
+
 @function strip-unit($num) {
-  @return $num / ($num * 0 + 1);
+  @return divide($num, $num * 0 + 1);
 }