From a17b07a1362a6e1b5b94a9bb57cccca3d84abcfe Mon Sep 17 00:00:00 2001
From: James Lambie <jameslambie@gmail.com>
Date: Wed, 18 Jul 2018 12:11:40 +0300
Subject: [PATCH] fix: use Node 6 compatible features

---
 lib/index.js | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 7a0bcae..4f828a5 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,4 +1,5 @@
-const { URLSearchParams } = require('url')
+const querystring = require('querystring')
+const url = require('url')
 
 class LogFilter {
   constructor (req, filter) {
@@ -20,18 +21,17 @@ class LogFilter {
       return this.req.url
     }
 
-    let parts = this.req.url.split('?')
+    let parsedUrl = url.parse(this.req.url, true)
 
-    let path = parts[0]
-    let searchParams = new URLSearchParams(parts[1])
+    let searchParams = parsedUrl.query
 
     this.filter.forEach(key => {
-      if (searchParams.get(key)) {
-        searchParams.set(key, '[FILTERED]')
+      if (searchParams[key]) {
+        searchParams[key] = '[FILTERED]'
       }
     })
 
-    return `${path}?${searchParams}`
+    return `${parsedUrl.pathname}?${querystring.encode(searchParams)}`
   }
 }