// fs-join
// --------------------------
/// Join two parts of a path.
/// @access public
/// @group File System utilities
/// @type String
/// @output String
/// @parameter String

@function fs-join($partials...) {
	$list: ();
	$startWithSlash: false;

	@for $i from 1 through length($partials) {
		$partial: nth($partials, $i);
		@if first-character($partial) == "/" {
			$partial: remove-first-character($partial);
			@if $i == 1 {
				$startWithSlash: true;
			}
		}
		@if last-character($partial) == "/" {
			$partial: remove-last-character($partial);
		}
		$parts: str-split($partial, "/");

		@each $part in $parts {
			$list: append($list, $part);
		}
	}

	$path: simple-to-string($list, "/");
	@if $startWithSlash {
		@return unquote("/#{$path}");
	} @else {
		@return $path;
	}
}