/// Function returns global config variable from Eightshift-frontend-libs setup.
/// It expects $global-config key to be available. If the key is not available there is no warning nor error, just `null` returned.
///
/// ### Map
/// ```scss
/// $globalConfig: (
///   useRemBaseSize: true,
/// );
/// ```
/// ### Output
/// ```scss
/// .test {
///   width: 2rem;
/// }
/// ```
///
/// @access public
/// @author Karlo Volf
/// @param {string} $key Key from global manifest config.
///
/// @example
/// .test {
///   @if (global-config(useRemBaseSize)) {
///				width: 2rem;
///	    ...
///   }
/// }

@function global-config($key) {
	$global-config: null !default;

	@if $global-config != null {
		$value: null;

		@if map-has-key($global-config, $key) {
			$value: map-get-strict($global-config, $key);
		}

		@return $value;
	}
	@else {
		@error 'ERROR: $global-config variable doesnt exist!';
	}
}

// Short alias.
@function globalC($key) {
	@return global-config($key);
}