I have designed libraries professionally for 5 years

7 years ago I published my first library to npm custom-border-mixin. Back then, I disappeared for a week writing an SCSS mixin for fun. If you wonder what fun might be in SCSS, just look at the helper: @function param-get($parameters, $key) { $value: map-get($parameters, $key); @if $key == 'side' and $value != 'top' and $value != 'right' and...