From 349b5b14c649641ea7ab8f132b5ab84aa3f92238 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Wouts?= <f@zenc.io>
Date: Tue, 6 Jun 2023 23:02:04 +1000
Subject: [PATCH] perf: reduce maximum depth to search for global CSS files

---
 core/src/find-files.ts | 11 +++++++++--
 core/src/previewer.ts  |  5 ++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/core/src/find-files.ts b/core/src/find-files.ts
index 69e7392045e..99f20a5e4e5 100644
--- a/core/src/find-files.ts
+++ b/core/src/find-files.ts
@@ -2,17 +2,24 @@ import fs from "fs-extra";
 import { globby } from "globby";
 import path from "path";
 
-export async function findFiles(rootDirPath: string, pattern: string) {
+export async function findFiles(
+  rootDirPath: string,
+  pattern: string,
+  options: {
+    maxDepth?: number;
+  } = {}
+) {
   const gitRootPath = await findGitRoot(rootDirPath);
   const relativePath = path.relative(gitRootPath, rootDirPath);
   const relativePrefix = relativePath ? relativePath + path.sep : "";
   const files: string[] = await globby(relativePrefix + pattern, {
     gitignore: true,
-    ignore: ["**/node_modules/**"],
+    ignore: ["**/node_mo ddules/**"],
     cwd: gitRootPath,
     absolute: true,
     followSymbolicLinks: false,
     suppressErrors: true,
+    deep: options.maxDepth,
   });
 
   // Note: in some cases, presumably because of yarn using link
diff --git a/core/src/previewer.ts b/core/src/previewer.ts
index 2d7de89193d..54eeccca428 100644
--- a/core/src/previewer.ts
+++ b/core/src/previewer.ts
@@ -169,7 +169,10 @@ export class Previewer {
           this.options.rootDirPath,
           `**/@(${GLOBAL_CSS_FILE_NAMES_WITHOUT_EXT.join(
             "|"
-          )}).@(${GLOBAL_CSS_EXTS.join("|")})`
+          )}).@(${GLOBAL_CSS_EXTS.join("|")})`,
+          {
+            maxDepth: 3,
+          }
         );
         const router = express.Router();
         router.get(/^\/preview\/.*:[^/]+\/$/, async (req, res) => {