From 3aab14eb25446c0c5830a504b34d39ce434e37d6 Mon Sep 17 00:00:00 2001
From: btea <2356281422@qq.com>
Date: Mon, 31 Jul 2023 14:19:21 +0800
Subject: [PATCH] perf: replace startsWith with === (#13989)

---
 packages/vite/src/node/plugins/assetImportMetaUrl.ts | 7 ++++---
 packages/vite/src/node/plugins/importMetaGlob.ts     | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/vite/src/node/plugins/assetImportMetaUrl.ts b/packages/vite/src/node/plugins/assetImportMetaUrl.ts
index 369e8a5e12026f..e1362fe42df38d 100644
--- a/packages/vite/src/node/plugins/assetImportMetaUrl.ts
+++ b/packages/vite/src/node/plugins/assetImportMetaUrl.ts
@@ -122,9 +122,10 @@ export function assetImportMetaUrlPlugin(config: ResolvedConfig): Plugin {
               preferRelative: true,
             })
             file = await assetResolver(url, id)
-            file ??= url.startsWith('/')
-              ? slash(path.join(config.publicDir, url))
-              : slash(path.resolve(path.dirname(id), url))
+            file ??=
+              url[0] === '/'
+                ? slash(path.join(config.publicDir, url))
+                : slash(path.resolve(path.dirname(id), url))
           }
 
           // Get final asset URL. If the file does not exist,
diff --git a/packages/vite/src/node/plugins/importMetaGlob.ts b/packages/vite/src/node/plugins/importMetaGlob.ts
index 7d765f4dfee16d..0daf6b04358b30 100644
--- a/packages/vite/src/node/plugins/importMetaGlob.ts
+++ b/packages/vite/src/node/plugins/importMetaGlob.ts
@@ -619,7 +619,7 @@ export async function toAbsoluteGlob(
   if (glob.startsWith('../')) return pre + posix.join(dir, glob)
   if (glob.startsWith('**')) return pre + glob
 
-  const isSubImportsPattern = glob.startsWith('#') && glob.includes('*')
+  const isSubImportsPattern = glob[0] === '#' && glob.includes('*')
 
   const resolved = normalizePath(
     (await resolveId(glob, importer, {