From 4f15a3ce70f2925be93790e3aa2822a832d96bb5 Mon Sep 17 00:00:00 2001
From: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
Date: Mon, 16 Jan 2023 14:38:44 -0800
Subject: [PATCH] Use ts.getCheckFlags to fix TS 5.0

---
 apps/api-extractor/src/analyzer/TypeScriptInternals.ts |  2 +-
 .../api-extractor/check-flags_2023-01-16-22-41.json    | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 common/changes/@microsoft/api-extractor/check-flags_2023-01-16-22-41.json

diff --git a/apps/api-extractor/src/analyzer/TypeScriptInternals.ts b/apps/api-extractor/src/analyzer/TypeScriptInternals.ts
index 32ab70795bd..e8b74f8844a 100644
--- a/apps/api-extractor/src/analyzer/TypeScriptInternals.ts
+++ b/apps/api-extractor/src/analyzer/TypeScriptInternals.ts
@@ -48,7 +48,7 @@ export class TypeScriptInternals {
     if (
       // eslint-disable-next-line no-bitwise
       symbol.flags & ts.SymbolFlags.Transient &&
-      (symbol as any).checkFlags === (ts as any).CheckFlags.Late
+      (ts as any).getCheckFlags(symbol) === (ts as any).CheckFlags.Late
     ) {
       return true;
     }
diff --git a/common/changes/@microsoft/api-extractor/check-flags_2023-01-16-22-41.json b/common/changes/@microsoft/api-extractor/check-flags_2023-01-16-22-41.json
new file mode 100644
index 00000000000..917484fe346
--- /dev/null
+++ b/common/changes/@microsoft/api-extractor/check-flags_2023-01-16-22-41.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/api-extractor",
+      "comment": "Use ts.getCheckFlags to fix TS 5.0",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@microsoft/api-extractor"
+}
\ No newline at end of file