From f17eea29969537794eec436187610f77e66c3f38 Mon Sep 17 00:00:00 2001
From: k2s <martin.minka@gmail.com>
Date: Thu, 6 Jun 2019 00:59:52 +0200
Subject: [PATCH 1/2] add: method allDbsEnsureClosed to close pouch__all_dbs__
 DB

---
 lib/index.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/index.js b/lib/index.js
index 4433c38..f5b801c 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -141,6 +141,21 @@ module.exports = function (Pouch) {
       });
     }, callback);
   });
+  
+  Pouch.allDbsEnsureClosed = utils.toPromise(function (callback) {
+    queue.add(function (callback) {
+      if (!pouch) return callback();
+
+      pouch.close().then(function () {
+        pouch = null;
+        cache = null;
+        callback();
+      }).catch(/* istanbul ignore next */ function (err) {
+        console.error(err);
+        callback(err);
+      });
+    }, callback);
+  });  
 };
 
 /* istanbul ignore next */

From 4cadf9060657c70af92c3e96485d27eabadaa80d Mon Sep 17 00:00:00 2001
From: k2s <martin.minka@gmail.com>
Date: Thu, 6 Jun 2019 01:14:30 +0200
Subject: [PATCH 2/2] fix: precondition_failed/Database not open

if pouch__all_dbs__ was never used, close() will throw  precondition_failed/Database not open error
---
 lib/index.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index f5b801c..2c8209c 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -151,8 +151,9 @@ module.exports = function (Pouch) {
         cache = null;
         callback();
       }).catch(/* istanbul ignore next */ function (err) {
-        console.error(err);
-        callback(err);
+        pouch = null;
+        cache = null;
+        callback();
       });
     }, callback);
   });