Update packages/vite/src/node/plugins/css.ts

Co-authored-by: Shinigami <[email protected]>
vitejs · Sep 21, 2022 · 06afbf5 · 06afbf5
1 parent 0014ccd
commit 06afbf5
Showing 1 changed file with 4 additions and 6 deletions.
diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
@@ -1068,12 +1068,10 @@ async function resolvePostcssConfig(
   config: ResolvedConfig,
   dialect = 'css'
 ): Promise<PostCSSConfigResult | null> {
-  if (!postcssConfigCache[dialect]) {
-    postcssConfigCache[dialect] = new WeakMap<
-      ResolvedConfig,
-      PostCSSConfigResult | null
-    >()
-  }
+  postcssConfigCache[dialect] ??= new WeakMap<
+    ResolvedConfig,
+    PostCSSConfigResult | null
+  >()
 
   let result = postcssConfigCache[dialect].get(config)
   if (result !== undefined) {