//
// Functions
//
// This file is part of the MediaWiki skin Chameleon.
// @copyright 2013 - 2019, Stephan Gambke, GNU General Public License, version 3 (or any later version)
//
// @since 2.0

// Convert rem to px if necessary, then remove the unit
// Assumes 1rem = 16px
//
// @param $value a value in rem or px
// @return unitless px value
@function rem-to-px( $value ) {
	@if (type-of($value) == "number") and ($value != 0) {

		$unit: unit($value);
		$px2rem: 16;

		@if ($unit == 'rem') {
			$value: $value/1rem;
			@return $px2rem*$value;
		}

		@if($unit == 'px'){
			@return $value/1px;
		}

		@error 'There is no unit conversion for "#{$unit}"';

	} @else {
		@return $value;
	}
}