diff --git a/boilerplate/typescript/dir-locals.nix b/boilerplate/typescript/dir-locals.nix
new file mode 100644
index 000000000..498f4b505
--- /dev/null
+++ b/boilerplate/typescript/dir-locals.nix
@@ -0,0 +1,3 @@
+let
+  briefcase = import <briefcase> {};
+in briefcase.utils.nixBufferFromShell ./shell.nix