From 1da3328bc23ebd6418529035d357481c8c028640 Mon Sep 17 00:00:00 2001
From: Felix Becker <felix.b@outlook.com>
Date: Tue, 13 Nov 2018 18:33:11 +0100
Subject: [PATCH] fix: allow rootUri to be null

Fixes #684
---
 src/LanguageServer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/LanguageServer.php b/src/LanguageServer.php
index a30992b..38dfeb1 100644
--- a/src/LanguageServer.php
+++ b/src/LanguageServer.php
@@ -167,7 +167,7 @@ class LanguageServer extends AdvancedJsonRpc\Dispatcher
      */
     public function initialize(ClientCapabilities $capabilities, string $rootPath = null, int $processId = null, string $rootUri = null): Promise
     {
-        if ($rootPath === null) {
+        if ($rootPath === null && $rootUri !== null) {
             $rootPath = uriToPath($rootUri);
         }
         return coroutine(function () use ($capabilities, $rootPath, $processId) {