@use 'sass:math';
@use './type-checking' as check;

/// Convert pixel value to rem value.
///
/// @param {Number} $px
/// @param {Number} $base [16]
/// @group Converter
/// @author Felix Scholze
/// @since v1.6.0
///
/// @example
///    @debug px-to-rem(10);
///    //=> 0.625rem
///
@function px-to-rem($px, $base: 16) {
	@if not math.is-unitless($px) {
		@error '❌  ===> Pixel: #{$px} has a unit';
	}
	@if not math.is-unitless($base) {
		@error '❌  ===> Base Pixel: #{$base} has a unit';
	}

	@return math.div($px, $base) * 1rem;
}