From 62bcc937f08cd18296ffbe96a3551ec1fb87aecd Mon Sep 17 00:00:00 2001
From: JounQin <admin@1stg.me>
Date: Sun, 1 Aug 2021 08:20:40 +0800
Subject: [PATCH] fix(typescript-estree): correct tty check (#3635)

---
 packages/typescript-estree/src/parser.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/typescript-estree/src/parser.ts b/packages/typescript-estree/src/parser.ts
index 3701a8862b3..69132424ba2 100644
--- a/packages/typescript-estree/src/parser.ts
+++ b/packages/typescript-estree/src/parser.ts
@@ -351,7 +351,8 @@ function applyParserOptionsToExtra(options: TSESTreeOptions): void {
 
 function warnAboutTSVersion(): void {
   if (!isRunningSupportedTypeScriptVersion && !warnedAboutTSVersion) {
-    const isTTY = typeof process === undefined ? false : process.stdout?.isTTY;
+    const isTTY =
+      typeof process === 'undefined' ? false : process.stdout?.isTTY;
     if (isTTY) {
       const border = '=============';
       const versionWarning = [