simplify

Author: Rich-Harris

packages/svelte/src/compiler/phases/3-transform/utils.js

@@ -346,29 +346,21 @@ export function infer_namespace(namespace, parent, nodes) {
 			return new_namespace;
 		}
 	}
-	const elements = nodes.filter((n) => n.type === 'RegularElement');
+
 	/** @type {Namespace | null} */
 	let new_namespace = null;
 
 	// Check the elements within the fragment and look for consistent namespaces.
 	// If we have no namespaces or they are mixed, then fallback to existing namespace
-	for (const element of elements) {
-		const metadata = element.metadata;
+	for (const node of nodes) {
+		if (node.type !== 'RegularElement') continue;
 
-		if (metadata.mathml) {
-			if (new_namespace === null || new_namespace === 'mathml') {
-				new_namespace = 'mathml';
-			} else {
-				new_namespace = 'html';
-			}
-		} else if (metadata.svg) {
-			if (new_namespace === null || new_namespace === 'svg') {
-				new_namespace = 'svg';
-			} else {
-				new_namespace = 'html';
-			}
+		if (node.metadata.mathml) {
+			new_namespace = new_namespace === null || new_namespace === 'mathml' ? 'mathml' : 'html';
+		} else if (node.metadata.svg) {
+			new_namespace = new_namespace === null || new_namespace === 'svg' ? 'svg' : 'html';
 		} else {
-			new_namespace = 'html';
+			return 'html';
 		}
 	}