From f73197385a5710ba1f78a548be2c6c8dd129dac3 Mon Sep 17 00:00:00 2001
From: Ram Dobson <fringd@gmail.com>
Date: Thu, 10 Jan 2019 21:18:28 -0500
Subject: [PATCH] fix(page): page.waitForFunction should work with multiline
 strings (#3727)

Fixes #3723
---
 lib/FrameManager.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/FrameManager.js b/lib/FrameManager.js
index 031fc71d..26e5179f 100644
--- a/lib/FrameManager.js
+++ b/lib/FrameManager.js
@@ -977,7 +977,7 @@ class WaitTask {
     this._frame = frame;
     this._polling = polling;
     this._timeout = timeout;
-    this._predicateBody = helper.isString(predicateBody) ? 'return ' + predicateBody : 'return (' + predicateBody + ')(...args)';
+    this._predicateBody = helper.isString(predicateBody) ? 'return (' + predicateBody + ')' : 'return (' + predicateBody + ')(...args)';
     this._args = args;
     this._runCount = 0;
     frame._waitTasks.add(this);