From da9b9789bfea2ccaffce74ea3385a5362d8c22a3 Mon Sep 17 00:00:00 2001
From: Qingyu Wang <qingyu.wang@aliyun.com>
Date: Sat, 9 Nov 2024 17:28:41 +0800
Subject: [PATCH 1/2] fix: do not generate `tailwind.config.js` in dist/

---
 src/TailwindCSSRspackPlugin.ts | 29 +++++++++++++++++++++--------
 test/basic/index.test.ts       | 16 +++++++++++++++-
 2 files changed, 36 insertions(+), 9 deletions(-)

diff --git a/src/TailwindCSSRspackPlugin.ts b/src/TailwindCSSRspackPlugin.ts
index 8202c59..456a9a8 100644
--- a/src/TailwindCSSRspackPlugin.ts
+++ b/src/TailwindCSSRspackPlugin.ts
@@ -1,4 +1,5 @@
-import { mkdir, writeFile } from 'node:fs/promises';
+import { mkdtemp, writeFile } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
 import path from 'node:path';
 import { pathToFileURL } from 'node:url';
 
@@ -184,13 +185,14 @@ class TailwindRspackPluginImpl {
       : // biome-ignore lint/style/noNonNullAssertion: should have context
         path.resolve(this.compiler.options.context!, this.options.config);
 
-    const outputDir = path.resolve(
-      // biome-ignore lint/style/noNonNullAssertion: should have `output.path`
-      this.compiler.options.output.path!,
-      '.rsbuild',
-      entryName,
-    );
-    await mkdir(outputDir, { recursive: true });
+    const outputDir = DEBUG
+      ? path.resolve(
+          // biome-ignore lint/style/noNonNullAssertion: should have `output.path`
+          this.compiler.options.output.path!,
+          '.rsbuild',
+          entryName,
+        )
+      : await mkdtemp(tmpdir());
 
     const configPath = path.resolve(outputDir, 'tailwind.config.mjs');
 
@@ -220,3 +222,14 @@ function collectModules(
     entryModules.add(module.resource);
   }
 }
+
+const DEBUG = (function isDebug() {
+  if (!process.env.DEBUG) {
+    return false;
+  }
+
+  const values = process.env.DEBUG.toLocaleLowerCase().split(',');
+  return ['rsbuild', 'rsbuild:tailwind', 'rsbuild:*', '*'].some((key) =>
+    values.includes(key),
+  );
+})();
diff --git a/test/basic/index.test.ts b/test/basic/index.test.ts
index 536cd9c..f577e1f 100644
--- a/test/basic/index.test.ts
+++ b/test/basic/index.test.ts
@@ -1,4 +1,5 @@
-import { dirname } from 'node:path';
+import { existsSync } from 'node:fs';
+import { dirname, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { expect, test } from '@playwright/test';
 import { createRsbuild } from '@rsbuild/core';
@@ -64,3 +65,16 @@ test('should build with tailwind utilities', async ({ page }) => {
 
   await server.close();
 });
+
+test('should not generate tailwind.config.js in dist/', async () => {
+  const rsbuild = await createRsbuild({
+    cwd: __dirname,
+    rsbuildConfig: {
+      plugins: [pluginTailwindCSS()],
+    },
+  });
+
+  await rsbuild.build();
+
+  expect(existsSync(resolve(__dirname, './dist/.rsbuild'))).toBeFalsy();
+});

From 8d199228aa4cec6d9291e6798ac184f837c0627b Mon Sep 17 00:00:00 2001
From: Qingyu Wang <qingyu.wang@aliyun.com>
Date: Sat, 9 Nov 2024 17:43:36 +0800
Subject: [PATCH 2/2] fix: tmpdir

---
 src/TailwindCSSRspackPlugin.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TailwindCSSRspackPlugin.ts b/src/TailwindCSSRspackPlugin.ts
index 456a9a8..bd4296a 100644
--- a/src/TailwindCSSRspackPlugin.ts
+++ b/src/TailwindCSSRspackPlugin.ts
@@ -192,7 +192,7 @@ class TailwindRspackPluginImpl {
           '.rsbuild',
           entryName,
         )
-      : await mkdtemp(tmpdir());
+      : await mkdtemp(path.join(tmpdir(), entryName));
 
     const configPath = path.resolve(outputDir, 'tailwind.config.mjs');