From d885d217cd85be7de4746e2f52f7164fdf5e8606 Mon Sep 17 00:00:00 2001
From: Avinash Kumar Deepak <avinash8655279@gmail.com>
Date: Wed, 11 Feb 2026 21:35:14 +0530
Subject: [PATCH 1/4] Refactor: Replace UA sniffing with feature detection

---
 src/component/fileBrowser.jsx               | 6 +++---
 src/graph-builder/graph-core/5-load-save.js | 5 ++---
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/component/fileBrowser.jsx b/src/component/fileBrowser.jsx
index 4181c7e..a48f0b3 100644
--- a/src/component/fileBrowser.jsx
+++ b/src/component/fileBrowser.jsx
@@ -15,7 +15,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
     const [fileState, setFileState] = useState([]);
 
     useEffect(() => {
-        if (navigator.userAgent.indexOf('Edg') !== -1 || navigator.userAgent.indexOf('Chrome') !== -1) {
+        if ('showDirectoryPicker' in window) {
             setDirButton(true);
         }
         dispatcher({ type: T.SET_FILE_REF, payload: fileRef });
@@ -159,7 +159,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
                         webkitdirectory="true"
                     />
                 </label>
-            ) }
+            )}
             {dirButton && (
                 <button
                     type="button"
@@ -204,7 +204,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
             <h4>
                 Folder Name :
                 {' '}
-                {fileState[0] ? fileState[0].key.split('/')[0] : '' }
+                {fileState[0] ? fileState[0].key.split('/')[0] : ''}
             </h4>
             <FileBrowser
                 files={fileState}
diff --git a/src/graph-builder/graph-core/5-load-save.js b/src/graph-builder/graph-core/5-load-save.js
index 97e01ee..3abb78a 100644
--- a/src/graph-builder/graph-core/5-load-save.js
+++ b/src/graph-builder/graph-core/5-load-save.js
@@ -106,7 +106,7 @@ class GraphLoadSave extends GraphUndoRedo {
         const str = graphmlBuilder(this.jsonifyGraph());
         const bytes = new TextEncoder().encode(str);
         const blob = new Blob([bytes], { type: 'application/json;charset=utf-8' });
-        if (navigator.userAgent.indexOf('Edg') !== -1 || navigator.userAgent.indexOf('Chrome') !== -1) {
+        if ('showSaveFilePicker' in window) {
             const options = {
                 types: [
                     {
@@ -140,8 +140,7 @@ class GraphLoadSave extends GraphUndoRedo {
     }
 
     async saveWithoutFileHandle() {
-        const { userAgent } = navigator;
-        if (userAgent.match(/firefox|fxios/i)) {
+        if (!('showSaveFilePicker' in window)) {
             toast.info('Switch to Edge/Chrome!');
             return;
         }

From 9292dc767772587f7f4db5146981c6a0bd74f7df Mon Sep 17 00:00:00 2001
From: Avinash Kumar Deepak <avinash8655279@gmail.com>
Date: Wed, 11 Feb 2026 21:53:31 +0530
Subject: [PATCH 2/4] Fix: Remove incorrect fallback that disabled feature
 detection

---
 src/component/fileBrowser.jsx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/component/fileBrowser.jsx b/src/component/fileBrowser.jsx
index 4a0e1f1..b7b9c4a 100644
--- a/src/component/fileBrowser.jsx
+++ b/src/component/fileBrowser.jsx
@@ -23,8 +23,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
         if ('showDirectoryPicker' in window) {
             setDirButton(true);
         }
-        // Force fallback to webkitdirectory to allow custom popup flow
-        setDirButton(false);
+
         dispatcher({ type: T.SET_FILE_REF, payload: fileRef });
     }, []);
 

From b21bc327e251359639b2b6f733e5bff3910ef669 Mon Sep 17 00:00:00 2001
From: Avinash Kumar Deepak <avinash8655279@gmail.com>
Date: Wed, 11 Feb 2026 22:00:00 +0530
Subject: [PATCH 3/4] Style: Revert formatting to match upstream

---
 src/component/fileBrowser.jsx | 34 ++++++++++++++--------------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/src/component/fileBrowser.jsx b/src/component/fileBrowser.jsx
index b7b9c4a..fc4338d 100644
--- a/src/component/fileBrowser.jsx
+++ b/src/component/fileBrowser.jsx
@@ -166,20 +166,17 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
                     />
                 </>
             )}
-            {
-                dirButton && (
-                    <button
-                        type="button"
-                        className="inputButton"
-                        disabled={!dirButton}
-                        onClick={newFeature}
-                    >
-                        Upload Directory
-                    </button>
-                )
-            }
-            {
-                !dirButton
+            {dirButton && (
+                <button
+                    type="button"
+                    className="inputButton"
+                    disabled={!dirButton}
+                    onClick={newFeature}
+                >
+                    Upload Directory
+                </button>
+            )}
+            {!dirButton
                 && (
                     <input
                         type="file"
@@ -189,10 +186,8 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
                         accept=".graphml"
                         onChange={(e) => readFile(superState, dispatcher, e.target.files[0])}
                     />
-                )
-            }
-            {
-                dirButton
+                )}
+            {dirButton
                 && (
                     <button
                         type="button"
@@ -211,8 +206,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
                     //     accept=".graphml"
                     //     onChange={(e) => readFile(superState, dispatcher, e.target.files[0])}
                     // />
-                )
-            }
+                )}
             <h4>
                 Folder Name :
                 {' '}

From fb62ad64155261fa65d5f6a813317986e37b7b5b Mon Sep 17 00:00:00 2001
From: Avinash Kumar Deepak <avinash8655279@gmail.com>
Date: Wed, 11 Feb 2026 22:01:58 +0530
Subject: [PATCH 4/4] Cleanup: Remove accidental file and fix type

---
 fix_ua_sniffing.patch         | Bin 5636 -> 0 bytes
 src/component/fileBrowser.jsx |   2 +-
 2 files changed, 1 insertion(+), 1 deletion(-)
 delete mode 100644 fix_ua_sniffing.patch

diff --git a/fix_ua_sniffing.patch b/fix_ua_sniffing.patch
deleted file mode 100644
index 989781a4633b49d8dbe9cba42aa2055c4410e15a..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/src/component/fileBrowser.jsx b/src/component/fileBrowser.jsx
index fc4338d..7bf145f 100644
--- a/src/component/fileBrowser.jsx
+++ b/src/component/fileBrowser.jsx
@@ -249,7 +249,7 @@ const LocalFileBrowser = ({ superState, dispatcher }) => {
                     tempFilesRef.current = null;
                 }}
             />
-        </div >
+        </div>
     );
 };
 export default LocalFileBrowser;