From ae4332ff47e8d7bf8059b618a3f71b2620d4d7be Mon Sep 17 00:00:00 2001
From: achingbrain <alex@achingbrain.net>
Date: Mon, 25 Nov 2019 11:39:25 +0100
Subject: [PATCH 1/2] fix: allow empty prefix option

---
 index.js            |  2 +-
 test/custom-test.js | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index ce0d229..098437c 100644
--- a/index.js
+++ b/index.js
@@ -33,7 +33,7 @@ function Level (location, opts) {
   }
 
   this.location = location
-  this.prefix = opts.prefix || DEFAULT_PREFIX
+  this.prefix = opts.prefix === undefined ? DEFAULT_PREFIX : opts.prefix
   this.version = parseInt(opts.version || 1, 10)
 }
 
diff --git a/test/custom-test.js b/test/custom-test.js
index 86aafc9..b9c4827 100644
--- a/test/custom-test.js
+++ b/test/custom-test.js
@@ -47,6 +47,27 @@ module.exports = function (leveljs, test, testCommon) {
     })
   })
 
+  test('empty prefix', function (t) {
+    var db = testCommon.factory({ prefix: '' })
+
+    t.ok(db.location, 'instance has location property')
+    t.is(db.prefix, '', 'instance has prefix property')
+
+    db.open(function (err) {
+      t.notOk(err, 'no open error')
+
+      var idb = db.db
+      var databaseName = idb.name
+      var storeNames = idb.objectStoreNames
+
+      t.is(databaseName, db.location, 'database name is prefixed')
+      t.is(storeNames.length, 1, 'created 1 object store')
+      t.is(storeNames.item(0), db.location, 'object store name equals location')
+
+      db.close(t.end.bind(t))
+    })
+  })
+
   test('put Buffer value, get Buffer value', function (t) {
     var level = testCommon.factory()
     level.open(function (err) {

From afa36cca9b1c63fb57cc2e19cf29629213f533df Mon Sep 17 00:00:00 2001
From: Alex Potsides <alex@achingbrain.net>
Date: Mon, 25 Nov 2019 10:57:14 +0000
Subject: [PATCH 2/2] fix: only set prefix to default if prefix is not null or
 undefined

Co-Authored-By: Vincent Weevers <mail@vincentweevers.nl>
---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 098437c..702da84 100644
--- a/index.js
+++ b/index.js
@@ -33,7 +33,7 @@ function Level (location, opts) {
   }
 
   this.location = location
-  this.prefix = opts.prefix === undefined ? DEFAULT_PREFIX : opts.prefix
+  this.prefix = opts.prefix == null ? DEFAULT_PREFIX : opts.prefix
   this.version = parseInt(opts.version || 1, 10)
 }