From 86848129075aa6239a1d49139f8a76a07e3ccf9e Mon Sep 17 00:00:00 2001
From: Pritesh Nandgaonkar <prit91@fb.com>
Date: Thu, 9 May 2019 07:18:56 -0700
Subject: [PATCH] check for the empty string

Summary:
Bug:

{F157985015}

Reviewed By: danielbuechele

Differential Revision: D15260689

fbshipit-source-id: c43cdc0fc0d3e624ad930af60a9c95996579acb6
---
 src/plugins/logs/index.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/logs/index.js b/src/plugins/logs/index.js
index 38a349782..b5d95243f 100644
--- a/src/plugins/logs/index.js
+++ b/src/plugins/logs/index.js
@@ -58,6 +58,9 @@ const Icon = styled(Glyph)({
 
 function getLineCount(str: string): number {
   let count = 1;
+  if (!(typeof str === 'string')) {
+    return 0;
+  }
   for (let i = 0; i < str.length; i++) {
     if (str[i] === '\n') {
       count++;