From d13d1374b0f046106a5f6a11dd1fa17fc65b00c4 Mon Sep 17 00:00:00 2001
From: Ryota Watanabe <43837308+wattanx@users.noreply.github.com>
Date: Mon, 12 Aug 2024 15:40:06 +0900
Subject: [PATCH] fix: gzip and calculate. (#44)

---
 src/vite/report.ts                    | 3 ++-
 test/__snapshots__/index.test.ts.snap | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/vite/report.ts b/src/vite/report.ts
index d56041f..b0adb4d 100644
--- a/src/vite/report.ts
+++ b/src/vite/report.ts
@@ -1,6 +1,7 @@
 import fsp from 'node:fs/promises';
 import { globby } from 'globby';
 import { join } from 'pathe';
+import zlib from 'zlib';
 import { getOptions } from '../utils';
 
 export async function getClientStats() {
@@ -24,7 +25,7 @@ async function analyzeSizes(pattern: string | string[], rootDir: string) {
     )?.isSymbolicLink();
 
     if (!isSymlink) {
-      const bytes = Buffer.byteLength(await fsp.readFile(path));
+      const bytes = zlib.gzipSync(await fsp.readFile(path)).byteLength;
       totalBytes += bytes;
     }
   }
diff --git a/test/__snapshots__/index.test.ts.snap b/test/__snapshots__/index.test.ts.snap
index 5790903..618ba83 100644
--- a/test/__snapshots__/index.test.ts.snap
+++ b/test/__snapshots__/index.test.ts.snap
@@ -18,7 +18,7 @@ exports[`ts test > Vite comparison results test 1`] = `
 # Bundle Size
 | Route | Size (gzipped) |
 | --- | --- |
-| \`app\` | 155.83 kB (🔴 55.83 kB) |
+| \`app\` | 60.14 kB (🟢 -39.86 kB) |
 | \`pages/index\` | removed |
 | \`components/tutorial\` | removed |
 | \`pages/test\` | removed |"