From d0ec1db1640d08c288dd8b8e8e4a70812da1b72e Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Wed, 8 Feb 2017 22:05:18 +0900
Subject: [PATCH] Refactor

---
 src/index.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 3ded869..f502114 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -37,6 +37,11 @@ type Result = Summary & {
 	url: string;
 };
 
+const defaultOptions = {
+	followRedirects: true,
+	plugins: null
+} as Options;
+
 /**
  * Summarize an web page
  * @param  {string}          url     URL of web page you want to summarize
@@ -44,10 +49,7 @@ type Result = Summary & {
  * @return {Promise<Result>} Promised summary
  */
 export default async (url: string, options?: Options): Promise<Result> => {
-	const opts = Object.assign({
-		followRedirects: true,
-		plugins: null
-	}, options) as Options;
+	const opts = Object.assign(defaultOptions, options);
 
 	const plugins = builtinPlugins.concat(opts.plugins || []);