From c02e1f0cb15a828d2d6dcb4a68b7a4e7be4d8c84 Mon Sep 17 00:00:00 2001
From: Ross Blair <rosswilsonblair@gmail.com>
Date: Tue, 8 Oct 2024 17:07:46 -0500
Subject: [PATCH] web build did not like fs import at top of src/files/deno.
 Conditionally load library. Maybe better off just attempting text call and
 seeing if it errors out.

---
 bids-validator/src/files/deno.ts | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/bids-validator/src/files/deno.ts b/bids-validator/src/files/deno.ts
index 346d7f07f..07a499546 100644
--- a/bids-validator/src/files/deno.ts
+++ b/bids-validator/src/files/deno.ts
@@ -2,7 +2,6 @@
  * Deno specific implementation for reading files
  */
 import { basename, join } from '@std/path'
-import { existsSync } from '@std/fs'
 import * as posix from '@std/path/posix'
 import { type BIDSFile, FileTree } from '../types/filetree.ts'
 import { requestReadPermission } from '../setup/requestPermissions.ts'
@@ -150,13 +149,16 @@ async function _readFileTree(
  */
 export async function readFileTree(rootPath: string): Promise<FileTree> {
   const ignore = new FileIgnoreRules([])
-  if (existsSync(join(rootPath, '.bidsignore'))) {
-        const ignoreFile = new BIDSFileDeno(
-          rootPath,
-          '.bidsignore',
-          ignore,
-        )
-        ignore.add(await readBidsIgnore(ignoreFile))
+  if (globalThis.Deno) {
+    import { existsSync } from '@std/fs'
+    if (existsSync(join(rootPath, '.bidsignore'))) {
+          const ignoreFile = new BIDSFileDeno(
+            rootPath,
+            '.bidsignore',
+            ignore,
+          )
+          ignore.add(await readBidsIgnore(ignoreFile))
+    }
   }
   return _readFileTree(rootPath, '/', ignore)
 }