From fc3339142b87b12113d0ea911e1bc74415dbd0eb Mon Sep 17 00:00:00 2001
From: Jack Franklin <jacktfranklin@chromium.org>
Date: Mon, 20 Apr 2020 17:15:54 +0100
Subject: [PATCH] Fix params being required

---
 src/Connection.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Connection.ts b/src/Connection.ts
index cf9b2e9bb1b12..2e42e93a47609 100644
--- a/src/Connection.ts
+++ b/src/Connection.ts
@@ -177,7 +177,13 @@ export class CDPSession extends EventEmitter {
   send<T extends keyof Protocol.CommandParameters>(method: T, params?: Protocol.CommandParameters[T]): Promise<Protocol.CommandReturnValues[T]> {
     if (!this._connection)
       return Promise.reject(new Error(`Protocol error (${method}): Session closed. Most likely the ${this._targetType} has been closed.`));
-    const id = this._connection._rawSend({sessionId: this._sessionId, method, params});
+
+    const id = this._connection._rawSend({
+      sessionId: this._sessionId,
+      method,
+      params: params || {}
+    });
+
     return new Promise((resolve, reject) => {
       this._callbacks.set(id, {resolve, reject, error: new Error(), method});
     });