diff --git a/packages/astro/src/external.ts b/packages/astro/src/external.ts
index 7a77f7aa3..3269b2c76 100644
--- a/packages/astro/src/external.ts
+++ b/packages/astro/src/external.ts
@@ -9,27 +9,19 @@ const pkg = require('../package.json');
  */
 
 // These packages SHOULD be built by `esinstall`
-const allowList = new Set([
-  'astro-prism',
-  'prismjs',
-  'shorthash'
-]);
+const allowList = new Set(['astro-prism', 'prismjs', 'shorthash']);
 
 const isAstroRenderer = (name: string) => {
   return name.startsWith(`@astrojs/renderer-`);
-}
+};
 
 // These packages should NOT be built by `esinstall`
 // But might not be explicit dependencies of `astro`
-const denyList = [
-  'prismjs/components/index.js',
-  '@vue/server-renderer'
-];
-
+const denyList = ['prismjs/components/index.js', '@vue/server-renderer'];
 
 export default Object.keys(pkg.dependencies)
   // Filter out packages that should be loaded threw Snowpack
-  .filter(name => {
+  .filter((name) => {
     // Explicitly allowed packages should NOT be external
     if (allowList.has(name)) return false;
     // Astro renderers should NOT be external
diff --git a/packages/astro/test/benchmark/build-cached.json b/packages/astro/test/benchmark/build-cached.json
index 57f8ad38f..d0ec5912d 100644
--- a/packages/astro/test/benchmark/build-cached.json
+++ b/packages/astro/test/benchmark/build-cached.json
@@ -1,4 +1,4 @@
 {
   "name": "Snowpack Example Build Cached",
   "time": 8496
-}
\ No newline at end of file
+}
diff --git a/packages/astro/test/benchmark/build-uncached.json b/packages/astro/test/benchmark/build-uncached.json
index d7976d926..101621c72 100644
--- a/packages/astro/test/benchmark/build-uncached.json
+++ b/packages/astro/test/benchmark/build-uncached.json
@@ -1,4 +1,4 @@
 {
   "name": "Snowpack Example Build Uncached",
   "time": 16200
-}
\ No newline at end of file
+}
diff --git a/packages/astro/test/benchmark/dev-server-cached.json b/packages/astro/test/benchmark/dev-server-cached.json
index e28cc05f4..16eb8a471 100644
--- a/packages/astro/test/benchmark/dev-server-cached.json
+++ b/packages/astro/test/benchmark/dev-server-cached.json
@@ -1,4 +1,4 @@
 {
   "name": "Snowpack Example Dev Server Cached",
   "time": 1229
-}
\ No newline at end of file
+}
diff --git a/packages/astro/test/benchmark/dev-server-uncached.json b/packages/astro/test/benchmark/dev-server-uncached.json
index b86393f98..c0d72650d 100644
--- a/packages/astro/test/benchmark/dev-server-uncached.json
+++ b/packages/astro/test/benchmark/dev-server-uncached.json
@@ -1,4 +1,4 @@
 {
   "name": "Snowpack Example Dev Server Uncached",
   "time": 3913
-}
\ No newline at end of file
+}