From 4a2ee517d2d5b902694d2b59e17ec23b84576dbf Mon Sep 17 00:00:00 2001
From: Alf Eaton <alf.eaton@overleaf.com>
Date: Tue, 21 May 2024 12:34:34 +0100
Subject: [PATCH] Merge pull request #18223 from overleaf/jpa-lazy-init-matcher

[web] initialize matcher for ignored file paths lazily

GitOrigin-RevId: ed04b286e188ad73e3090822965b19ccf2e7d2b4
---
 .../js/features/file-tree/util/is-acceptable-file.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/services/web/frontend/js/features/file-tree/util/is-acceptable-file.ts b/services/web/frontend/js/features/file-tree/util/is-acceptable-file.ts
index fb09435d02..a77028dc72 100644
--- a/services/web/frontend/js/features/file-tree/util/is-acceptable-file.ts
+++ b/services/web/frontend/js/features/file-tree/util/is-acceptable-file.ts
@@ -1,11 +1,15 @@
 import { Minimatch } from 'minimatch'
 
-const fileIgnoreMatcher = new Minimatch(
-  window.ExposedSettings.fileIgnorePattern,
-  { nocase: true, dot: true }
-)
+let fileIgnoreMatcher: Minimatch
 
 export const isAcceptableFile = (name?: string, relativePath?: string) => {
+  if (!fileIgnoreMatcher) {
+    fileIgnoreMatcher = new Minimatch(
+      window.ExposedSettings.fileIgnorePattern,
+      { nocase: true, dot: true }
+    )
+  }
+
   if (!name) {
     // the file must have a name, of course
     return false