From 318debc41fa1d04dd9b21474fcf54ce63e69fd19 Mon Sep 17 00:00:00 2001
From: Brad Cornes <bradlc41@gmail.com>
Date: Sun, 6 Jan 2019 14:36:26 +0000
Subject: [PATCH] add placeholder to clients map to prevent >1 instance per
 folder

---
 src/extension.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/extension.ts b/src/extension.ts
index 8f70f5f..e9c2999 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -97,6 +97,9 @@ export async function activate(context: ExtensionContext) {
     folder = getOuterMostWorkspaceFolder(folder)
 
     if (!clients.has(folder.uri.toString())) {
+      // placeholder
+      clients.set(folder.uri.toString(), null)
+
       let files = await Workspace.findFiles(
         CONFIG_GLOB,
         '**/node_modules/**',
@@ -182,7 +185,9 @@ export function deactivate(): Thenable<void> {
     promises.push(defaultClient.stop())
   }
   for (let client of clients.values()) {
-    promises.push(client.stop())
+    if (client) {
+      promises.push(client.stop())
+    }
   }
   return Promise.all(promises).then(() => undefined)
 }