From b5ca3a6cb1a0e46aef071195c61e1169c6574f03 Mon Sep 17 00:00:00 2001
From: Hiroki Sugawara <h-sugawara@users.noreply.github.com>
Date: Fri, 26 Jan 2024 22:12:24 +0900
Subject: [PATCH] =?UTF-8?q?parameters.js=E3=81=AE=E3=83=AA=E3=83=95?=
 =?UTF-8?q?=E3=82=A1=E3=82=AF=E3=82=BF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lib/parameters.js | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/lib/parameters.js b/lib/parameters.js
index e0751fd..0eb30b2 100644
--- a/lib/parameters.js
+++ b/lib/parameters.js
@@ -32,17 +32,14 @@ function findOptionalArgs(opts, find) {
 }
 
 function getFetchOptions(isCrawler) {
-    const fetchOptions = {};
-    const headers = {
-        'accept': 'text/html',
+    const fetchOptions = {
+        headers: {
+            'accept': 'text/html',
+        },
     };
 
     if (typeof isCrawler === 'boolean' && isCrawler) {
-        headers['user-agent'] = CRAWLER_USER_AGENT;
-    }
-
-    if (Object.keys(headers).length !== 0) {
-        fetchOptions.headers = headers;
+        fetchOptions.headers['user-agent'] = CRAWLER_USER_AGENT;
     }
 
     return fetchOptions;