From c37e0f38315e39665b7943bb2ad14e27d4a9812e Mon Sep 17 00:00:00 2001
From: otofune <otofune@gmail.com>
Date: Sat, 28 Jan 2017 04:38:44 +0900
Subject: [PATCH] check redirection

resolve #5.
---
 package.json | 3 ++-
 src/index.ts | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 161b56b..dffef2e 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "cheerio-httpcli": "0.6.10",
     "escape-regexp": "0.0.1",
     "html-entities": "1.2.0",
-    "request": "2.79.0"
+    "request": "2.79.0",
+    "trace-redirect": "1.0.2-1"
   }
 }
diff --git a/src/index.ts b/src/index.ts
index eaa3bef..3d829a0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 import * as URL from 'url';
+import tracer from 'trace-redirect';
 import ISummary from './isummary';
 import IPlugin from './iplugin';
 import general from './general';
@@ -9,7 +10,9 @@ const plugins: IPlugin[] = [
 ];
 
 export default async (url: string): Promise<ISummary> => {
-	const _url = URL.parse(url, true);
+	const realUrl = await tracer(url);
+
+	const _url = URL.parse(realUrl, true);
 
 	const plugin = plugins.filter(plugin => plugin.test(_url))[0];