simplify

packages/svelte/src/compiler/phases/3-transform/css/index.js

@@ -126,9 +126,7 @@ const visitors = {
 			return;
 		}
 
-		const used = node.prelude.children.filter((s) => s.metadata.used);
-
-		if (used.length === 0) {
+		if (!node.prelude.children.some((s) => s.metadata.used)) {
 			state.code.prependRight(node.start, '/* (unused) ');
 			state.code.appendLeft(node.end, '*/');
 			escape_comment_close(node, state.code);
@@ -139,9 +137,6 @@ const visitors = {
 		next();
 	},
 	SelectorList(node, { state, next, path }) {
-		const used = node.children.filter((s) => s.metadata.used);
-
-		if (used.length < node.children.length) {
 		let pruning = false;
 		let last = node.children[0].start;
 
@@ -171,13 +166,9 @@ const visitors = {
 		if (pruning) {
 			state.code.appendLeft(last, '*/');
 		}
-		}
 
-		const parent = /** @type {import('#compiler').Css.Node} */ (path.at(-1));
-		next({
-			...state,
-			specificity: parent.type === 'Rule' ? { bumped: false } : state.specificity
-		});
+		const specificity = path.at(-1)?.type === 'Rule' ? { bumped: false } : state.specificity;
+		next({ ...state, specificity });
 	},
 	ComplexSelector(node, context) {
 		/** @param {import('#compiler').Css.SimpleSelector} selector */