From: Nicolas Coden <nicolas@ncoden.fr>
Date: Wed, 18 Jul 2018 22:38:50 +0000 (+0200)
Subject: feat: add function "zf-is-fraction()"
X-Git-Tag: v6.6.0~3^2~68^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fde38861fef454705b78e8b37f1f7440b6eb6824;p=thirdparty%2Ffoundation%2Ffoundation-sites.git

feat: add function "zf-is-fraction()"

zf-is-fraction(): Returns whether the given `$value` represents a fraction. Supports formats like `50%`, `1 of 2`, `1 per 2` or `1/2`.
---

diff --git a/scss/util/_math.scss b/scss/util/_math.scss
index 62a5090b7..947a576e5 100644
--- a/scss/util/_math.scss
+++ b/scss/util/_math.scss
@@ -107,6 +107,18 @@
   @return (null, null);
 }
 
+/// Returns whether the given `$value` represents a fraction. Supports formats like `50%`, `1 of 2`, `1 per 2` or `1/2`.
+///
+/// @param {*} $value - Value to test.
+/// @param {Boolean} $allow-no-denominator [false] - If `true`, simple numbers without denominators like `50` are supported.
+///
+/// @return {Boolean} `true` if `$value` represents a fraction, `false` otherwise.
+@function zf-is-fraction($value, $allow-no-denominator: false) {
+  $parsed: zf-parse-fraction($value);
+  @return not(nth($parsed, 1) == null
+    or (nth($parsed, 2) == null and $allow-no-denominator == false));
+}
+
 /// Calculate a percentage from a given fraction.
 ///
 /// @param {Number|List} $fraction - Value representing a fraction to use to calculate the percentage, formatted as `50` (relative to `$denominator`), `50%`, `1 of 2` or `1/2`.