From 0a52e7452c39e440d79605e80fa57e01b98be55f Mon Sep 17 00:00:00 2001
From: Gerrit Birkeland <gerrit@gerritbirkeland.com>
Date: Sun, 26 Feb 2023 14:22:20 -0700
Subject: [PATCH] Fix #2170

---
 CHANGELOG.md                                               | 3 ++-
 src/index.ts                                               | 1 +
 .../output/themes/default/assets/typedoc/Application.ts    | 7 ++++++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01c061a54..5edef3908 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,8 @@
 
 ### Bug Fixes
 
--   Fix crash when converting `export default undefined`, #2175
+-   Fix crash when converting `export default undefined`, #2175.
+-   Fix error in console when clicking on headings in the readme, #2170.
 
 ### Thanks!
 
diff --git a/src/index.ts b/src/index.ts
index d5b0fef5b..34cab7db7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,6 +14,7 @@ export {
     type Meaning,
     type MeaningKeyword,
     type ExternalResolveResult,
+    type ExternalSymbolResolver,
 } from "./lib/converter";
 
 export {
diff --git a/src/lib/output/themes/default/assets/typedoc/Application.ts b/src/lib/output/themes/default/assets/typedoc/Application.ts
index e3f178f41..176cb8baf 100644
--- a/src/lib/output/themes/default/assets/typedoc/Application.ts
+++ b/src/lib/output/themes/default/assets/typedoc/Application.ts
@@ -76,10 +76,15 @@ export class Application {
         if (!reflAnchor) return;
 
         let reflContainer = reflAnchor.parentElement!;
-        while (reflContainer.tagName !== "SECTION") {
+        while (reflContainer && reflContainer.tagName !== "SECTION") {
             reflContainer = reflContainer.parentElement!;
         }
 
+        if (!reflContainer) {
+            // This is probably a link in the readme, doesn't have a containing section
+            return;
+        }
+
         if (reflContainer.offsetParent == null) {
             this.alwaysVisibleMember = reflContainer;