Useful functions in SCSS.

useful-functions.scss

@function get-half($number) {
    @return $number / 2;
}

@function square($number) {
    @return $number * $number;
}

@function rem($px-val) {
    $rem-val: $px-val / $base-fz;
    $safe-rem-value: if($px-val == 0, 0, $rem-val);
  
    @return $zero-safe-rem-value;
}

/*
    * This code belongs to: Kitty Giraudel.
    * You can see that in: https://css-tricks.com/snippets/sass/strip-unit-function/
    * We updated the using of math lib of sass.
*/

@function strip-unit($num) {
    @if type-of($num) == "number" and not unitless($num) {
        @return math.div($num, ($num * 0 + 1));
    }

    @return $num;
}