From e0d5dc4714c0d97eb98b59d50179e652affb59fd Mon Sep 17 00:00:00 2001
From: "Lyu, Wei Da" <b00605009@ntu.edu.tw>
Date: Wed, 29 May 2024 15:41:07 +0800
Subject: [PATCH] fix: don't debounce document symbol request

---
 packages/language-server/src/plugins/PluginHost.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/language-server/src/plugins/PluginHost.ts b/packages/language-server/src/plugins/PluginHost.ts
index b239c21ee..b02009acf 100644
--- a/packages/language-server/src/plugins/PluginHost.ts
+++ b/packages/language-server/src/plugins/PluginHost.ts
@@ -279,12 +279,18 @@ export class PluginHost implements LSProvider, OnWatchFileChanges {
     ): Promise<SymbolInformation[]> {
         const document = this.getDocument(textDocument.uri);
 
+        // VSCode requested document symbols twice for the outline view and the sticky scroll
+        // Manually delay here and don't use low priority as one of them will return no symbols
+        await new Promise((resolve) => setTimeout(resolve, 1000));
+        if (cancellationToken.isCancellationRequested) {
+            return [];
+        }
         return flatten(
             await this.execute<SymbolInformation[]>(
                 'getDocumentSymbols',
                 [document, cancellationToken],
                 ExecuteMode.Collect,
-                'low'
+                'high'
             )
         );
     }