diff --git a/packages/astro/src/vite-plugin-astro/compile.ts b/packages/astro/src/vite-plugin-astro/compile.ts
index 616ec7aec..d52a8be17 100644
--- a/packages/astro/src/vite-plugin-astro/compile.ts
+++ b/packages/astro/src/vite-plugin-astro/compile.ts
@@ -94,17 +94,17 @@ async function compile(config: AstroConfig, filename: string, source: string, vi
 	// throw CSS transform errors here if encountered
 	if (cssTransformError) throw cssTransformError;
 
-	const compileResult: CompileResult =  Object.create(transformResult, {
+	const compileResult: CompileResult = Object.create(transformResult, {
 		rawCSSDeps: {
-			value: rawCSSDeps
-		}
+			value: rawCSSDeps,
+		},
 	});
 
 	return compileResult;
 }
 
 export function isCached(config: AstroConfig, filename: string) {
-	return configCache.has(config) && (configCache.get(config)!).has(filename);
+	return configCache.has(config) && configCache.get(config)!.has(filename);
 }
 
 export function invalidateCompilation(config: AstroConfig, filename: string) {
@@ -114,7 +114,13 @@ export function invalidateCompilation(config: AstroConfig, filename: string) {
 	}
 }
 
-export async function cachedCompilation(config: AstroConfig, filename: string, source: string | null, viteTransform: TransformHook, opts: boolean | undefined): Promise<CompileResult> {
+export async function cachedCompilation(
+	config: AstroConfig,
+	filename: string,
+	source: string | null,
+	viteTransform: TransformHook,
+	opts: boolean | undefined
+): Promise<CompileResult> {
 	let cache: CompilationCache;
 	if (!configCache.has(config)) {
 		cache = new Map();
diff --git a/packages/astro/src/vite-plugin-astro/hmr.ts b/packages/astro/src/vite-plugin-astro/hmr.ts
index f39d3fecd..84f06cda5 100644
--- a/packages/astro/src/vite-plugin-astro/hmr.ts
+++ b/packages/astro/src/vite-plugin-astro/hmr.ts
@@ -13,25 +13,31 @@ interface TrackCSSDependenciesOptions {
 export async function trackCSSDependencies(this: RollupPluginContext, opts: TrackCSSDependenciesOptions): Promise<void> {
 	const { viteDevServer, filename, deps, id } = opts;
 	// Dev, register CSS dependencies for HMR.
-	if(viteDevServer) {
+	if (viteDevServer) {
 		const mod = viteDevServer.moduleGraph.getModuleById(id);
-		if(mod) {
-			const cssDeps = (await Promise.all(Array.from(deps).map((spec) => {
-				return this.resolve(spec, id);
-			}))).filter(Boolean).map(dep => (dep as ResolvedId).id);
+		if (mod) {
+			const cssDeps = (
+				await Promise.all(
+					Array.from(deps).map((spec) => {
+						return this.resolve(spec, id);
+					})
+				)
+			)
+				.filter(Boolean)
+				.map((dep) => (dep as ResolvedId).id);
 
 			const { moduleGraph } = viteDevServer;
 			// record deps in the module graph so edits to @import css can trigger
 			// main import to hot update
 			const depModules = new Set(mod.importedModules);
 			for (const dep of cssDeps) {
-				depModules.add(moduleGraph.createFileOnlyEntry(dep))
+				depModules.add(moduleGraph.createFileOnlyEntry(dep));
 			}
 
 			// Update the module graph, telling it about our CSS deps.
 			moduleGraph.updateModuleInfo(mod, depModules, new Set(), true);
 			for (const dep of cssDeps) {
-				this.addWatchFile(dep);					
+				this.addWatchFile(dep);
 			}
 		}
 	}
@@ -45,13 +51,13 @@ export function handleHotUpdate(ctx: HmrContext, config: AstroConfig) {
 	// that needs to be rerun.
 	const filtered = new Set<ModuleNode>();
 	const files = new Set<string>();
-	for(const mod of ctx.modules) {
-		if(mod.file && isCached(config, mod.file)) {
+	for (const mod of ctx.modules) {
+		if (mod.file && isCached(config, mod.file)) {
 			filtered.add(mod);
 			files.add(mod.file);
 		}
-		for(const imp of mod.importers) {
-			if(imp.file && isCached(config, imp.file)) {
+		for (const imp of mod.importers) {
+			if (imp.file && isCached(config, imp.file)) {
 				filtered.add(imp);
 				files.add(imp.file);
 			}
@@ -60,7 +66,7 @@ export function handleHotUpdate(ctx: HmrContext, config: AstroConfig) {
 
 	// Invalidate happens as a separate step because a single .astro file
 	// produces multiple CSS modules and we want to return all of those.
-	for(const file of files) {
+	for (const file of files) {
 		invalidateCompilation(config, file);
 	}