From 2b048e935ce4585a15d1e27b36ffeec5d3571665 Mon Sep 17 00:00:00 2001
From: Pascal Corpet <pcorpet@users.noreply.github.com>
Date: Mon, 11 Nov 2019 20:54:21 +0100
Subject: [PATCH] Allow setUserId to accept null in the client as well.
 (#40161)

---
 types/amplitude-js/amplitude-js-tests.ts | 1 +
 types/amplitude-js/index.d.ts            | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/types/amplitude-js/amplitude-js-tests.ts b/types/amplitude-js/amplitude-js-tests.ts
index 87e32e5d21..f5eb4b30b9 100644
--- a/types/amplitude-js/amplitude-js-tests.ts
+++ b/types/amplitude-js/amplitude-js-tests.ts
@@ -68,6 +68,7 @@ module Amplitude.Tests {
         client.setDeviceId('45f0954f-eb79-4463-ac8a-233a6f45a8f0');
         client.setDomain('.amplitude.com');
         client.setUserId('joe@gmail.com');
+        client.setUserId(null);
         client.setOptOut(true);
         client.setGroup('type', 'name');
         client.setGroup('type', ['name', 'name2']);
diff --git a/types/amplitude-js/index.d.ts b/types/amplitude-js/index.d.ts
index c6773cdad2..7558c732d1 100644
--- a/types/amplitude-js/index.d.ts
+++ b/types/amplitude-js/index.d.ts
@@ -122,7 +122,7 @@ export function getSessionId(): number;
 
 export function setDomain(domain: string): void;
 
-export function setUserId(userId: string): void;
+export function setUserId(userId: string | null): void;
 
 export function setDeviceId(id: string): void;
 export function regenerateDeviceId(): void;