From defe33afa1f3bc0d7f8dfb14f754172d84a156c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Tue, 1 Aug 2023 23:52:40 +0200
Subject: [PATCH] Do not offer completions for default module member symbol
 (#55231)

---
 src/compiler/checker.ts                          |  2 +-
 ...nsDefaultKeywordWhenDefaultExportAvailable.ts | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 tests/cases/fourslash/completionsDefaultKeywordWhenDefaultExportAvailable.ts

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index f24cb91da63..97c272990ac 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -45463,7 +45463,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
             if (meaning) {
                 source.forEach(symbol => {
                     // Similar condition as in `resolveNameHelper`
-                    if (!getDeclarationOfKind(symbol, SyntaxKind.ExportSpecifier) && !getDeclarationOfKind(symbol, SyntaxKind.NamespaceExport)) {
+                    if (!getDeclarationOfKind(symbol, SyntaxKind.ExportSpecifier) && !getDeclarationOfKind(symbol, SyntaxKind.NamespaceExport) && symbol.escapedName !== InternalSymbolName.Default) {
                         copySymbol(symbol, meaning);
                     }
                 });
diff --git a/tests/cases/fourslash/completionsDefaultKeywordWhenDefaultExportAvailable.ts b/tests/cases/fourslash/completionsDefaultKeywordWhenDefaultExportAvailable.ts
new file mode 100644
index 00000000000..05bdbb8187a
--- /dev/null
+++ b/tests/cases/fourslash/completionsDefaultKeywordWhenDefaultExportAvailable.ts
@@ -0,0 +1,16 @@
+/// <reference path="fourslash.ts" />
+
+// https://github.com/microsoft/TypeScript/issues/3229
+
+// @filename: index.ts
+
+//// export default function () {}
+//// def/*1*/
+
+verify.completions(
+    { 
+        marker: "1", 
+        includes: [{ name: "default", kind: "keyword", sortText: completion.SortText.GlobalsOrKeywords }],
+    },
+);
+