diff --git a/packages/astro/test/helpers.js b/packages/astro/test/helpers.js
index 33b439242..7a678ef54 100644
--- a/packages/astro/test/helpers.js
+++ b/packages/astro/test/helpers.js
@@ -86,7 +86,7 @@ export function setupBuild(Suite, fixturePath) {
     context.build = () => astroBuild(astroConfig, { level: 'error', dest: process.stderr });
     context.readFile = async (path) => {
       const resolved = fileURLToPath(new URL(`${fixturePath}/${astroConfig.dist}${path}`, import.meta.url));
-      return readFileSync(resolved, {encoding: 'utf8'});
+      return readFileSync(resolved, { encoding: 'utf8' });
     };
 
     clearTimeout(timeout);
diff --git a/packages/renderers/renderer-lit/client-shim.js b/packages/renderers/renderer-lit/client-shim.js
index 5ae6e8181..413d2cbd9 100644
--- a/packages/renderers/renderer-lit/client-shim.js
+++ b/packages/renderers/renderer-lit/client-shim.js
@@ -3,9 +3,7 @@ async function polyfill() {
   hydrateShadowRoots(document.body);
 }
 
-const polyfillCheckEl = new DOMParser()
-  .parseFromString(`<p><template shadowroot="open"></template></p>`, 'text/html', {includeShadowRoots: true})
-  .querySelector('p');
+const polyfillCheckEl = new DOMParser().parseFromString(`<p><template shadowroot="open"></template></p>`, 'text/html', { includeShadowRoots: true }).querySelector('p');
 
 if (!polyfillCheckEl || !polyfillCheckEl.shadowRoot) {
   polyfill();