fix: Object.assign is now evil and no longer is behaving as spec says when Webpacked

Author: daviddias

package.json

@@ -41,7 +41,7 @@
     "interface-datastore": "^0.2.1",
     "level-js": "^2.2.4",
     "leveldown": "^1.7.0",
-    "levelup": "^1.3.6",
+    "levelup": "^1.3.7",
     "pull-stream": "^3.6.0"
   },
   "devDependencies": {

src/index.js

@@ -24,9 +24,8 @@ class LevelDatastore {
   /* :: db: levelup */
 
   constructor (path /* : string */, opts /* : ?LevelOptions */) {
-    this.db = levelup(path, Object.assign({}, {
-      compression: false // same default as go
-    }, opts, {
+    this.db = levelup(path, Object.assign(opts, {
+      compression: false, // same default as go
       valueEncoding: 'binary'
     }))
   }