diff --git a/packages/astro/src/vite-plugin-build-css/index.ts b/packages/astro/src/vite-plugin-build-css/index.ts
index 6656d350e..830904ba7 100644
--- a/packages/astro/src/vite-plugin-build-css/index.ts
+++ b/packages/astro/src/vite-plugin-build-css/index.ts
@@ -139,7 +139,7 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[]
 						}
 					}
 				}
-			}
+			},
 		},
 		{
 			name: CSS_MINIFY_PLUGIN_NAME,
@@ -164,8 +164,8 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[]
 							// re-imports all modules as their namespace `import * as module1 from 'some/path';
 							// in order to determine if one of them is a side-effectual web component.
 							// If we ever get rid of that feature, the code below can be removed.
-							for(const [imp, bindings] of Object.entries(output.importedBindings)) {
-								if(imp.startsWith('chunks/') && !bundle[imp] && output.code.includes(imp)) {
+							for (const [imp, bindings] of Object.entries(output.importedBindings)) {
+								if (imp.startsWith('chunks/') && !bundle[imp] && output.code.includes(imp)) {
 									// This just creates an empty chunk module so that the main entry module
 									// that is importing it doesn't break.
 									const depChunk: OutputChunk = {
@@ -173,7 +173,9 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[]
 										fileName: imp,
 										name: imp,
 										facadeModuleId: imp,
-										code: `/* Pure CSS chunk ${imp} */ ${bindings.map(b => `export const ${b} = {};`)}`,
+										code: `/* Pure CSS chunk ${imp} */ ${bindings.map(
+											(b) => `export const ${b} = {};`
+										)}`,
 										dynamicImports: [],
 										implicitlyLoadedBefore: [],
 										importedBindings: {},
@@ -191,7 +193,7 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[]
 						}
 					}
 				}
-			}
-		}
+			},
+		},
 	];
 }