From 7b41d3370ca739da2a56505bdd00d5a9522b3a53 Mon Sep 17 00:00:00 2001
From: Ivan Demidov <Scrum@list.ru>
Date: Mon, 20 Jul 2020 10:28:11 +0300
Subject: [PATCH] perf: normalize url, close #2

---
 index.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index d8c5709..b54a19a 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,4 @@
+const normalizeUrl = require('normalize-url');
 const rule = require('unified-lint-rule');
 var visit = require('unist-util-visit')
 
@@ -10,7 +11,12 @@ function processor(tree, file) {
   const links = new Map();
 
   visit(tree, 'link', node => {
-    const {url} = node;
+    const url = normalizeUrl(node.url, {
+      removeDirectoryIndex: true,
+      stripHash: true,
+      stripProtocol: true,
+      removeQueryParameters: [/\.*/i]
+    });
 
     if (links.has(url)) {
       links.get(url).push(node)