From 85cf5edccbcf801052d3bedf68e09165796993de Mon Sep 17 00:00:00 2001
From: Brad Cornes <bradlc41@gmail.com>
Date: Mon, 17 Jan 2022 18:06:28 +0000
Subject: [PATCH] Protect against undefined separator (#427)

---
 packages/tailwindcss-language-server/src/server.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/tailwindcss-language-server/src/server.ts b/packages/tailwindcss-language-server/src/server.ts
index 26d9f5f..d286c21 100644
--- a/packages/tailwindcss-language-server/src/server.ts
+++ b/packages/tailwindcss-language-server/src/server.ts
@@ -391,7 +391,7 @@ async function createProjectService(
       capabilities.add(CompletionRequest.type, {
         documentSelector: null,
         resolveProvider: true,
-        triggerCharacters: [...TRIGGER_CHARACTERS, state.separator],
+        triggerCharacters: [...TRIGGER_CHARACTERS, state.separator].filter(Boolean),
       })
       if (watchFiles.length > 0) {
         capabilities.add(DidChangeWatchedFilesNotification.type, {