From a9aed5bd55ef9ce0bb1981eebe6f6742b2565619 Mon Sep 17 00:00:00 2001
From: Ben Watkins <ben.watkins@nelnet.net>
Date: Fri, 22 Apr 2022 13:50:14 -0700
Subject: [PATCH] note use of typescript in readme `import/extensions` section

---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 1d7b55ff51..8d38874b18 100644
--- a/README.md
+++ b/README.md
@@ -271,7 +271,10 @@ A list of file extensions that will be parsed as modules and inspected for
 `export`s.
 
 This defaults to `['.js']`, unless you are using the `react` shared config,
-in which case it is specified as `['.js', '.jsx']`.
+in which case it is specified as `['.js', '.jsx']`. Despite the default,
+if you are using TypeScript (without the `plugin:import/typescript` config
+described above) you must specify the new extensions (`.ts`, and also `.tsx`
+if using React).
 
 ```js
 "settings": {