From 9af9b1ad376b4afe9122382ed33638a09dbcf24f Mon Sep 17 00:00:00 2001
From: Tim Wisniewski <tim@timwis.com>
Date: Sun, 11 Dec 2016 15:45:46 -0500
Subject: [PATCH] fix prev.location.params bug. closes #354 (#355)

---
 index.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 8764756..e146564 100644
--- a/index.js
+++ b/index.js
@@ -126,13 +126,13 @@ function choo (opts) {
       const send = createSend('view: ' + route, true)
       return function chooWrap (params) {
         return function (state) {
-          const nwPrev = prev
-          prev = state
-
           // TODO(yw): find a way to wrap handlers so params shows up in state
           const nwState = xtend(state)
           nwState.location = xtend(nwState.location, { params: params })
 
+          const nwPrev = prev
+          prev = nwState // save for next time
+
           if (opts.freeze !== false) Object.freeze(nwState)
           return handler(nwState, nwPrev, send)
         }