From 7324006d8cd1644550e2ea7cc09406d876ef6945 Mon Sep 17 00:00:00 2001
From: Elian Ibaj <elianibaj@gmail.com>
Date: Sun, 1 Apr 2018 14:00:10 +0200
Subject: [PATCH] Fix hash replacement redirect

---
 modules/createHashHistory.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/createHashHistory.js b/modules/createHashHistory.js
index bce546f87..055b16610 100644
--- a/modules/createHashHistory.js
+++ b/modules/createHashHistory.js
@@ -45,11 +45,11 @@ const getHashPath = () => {
 const pushHashPath = path => (window.location.hash = path);
 
 const replaceHashPath = path => {
-  const hashIndex = window.location.href.indexOf("#");
+  let href = window.location.href;
+  const hashIndex = href.indexOf("#");
+  if (hashIndex !== -1) href = href.slice(0, hashIndex);
 
-  window.location.replace(
-    window.location.href.slice(0, hashIndex >= 0 ? hashIndex : 0) + "#" + path
-  );
+  window.location.replace(href + "#" + path);
 };
 
 const createHashHistory = (props = {}) => {