memdown - npm Package Compare versions

Comparing version 0.4.1 to 0.5.0

memdown.js

@@ -14,3 +14,3 @@ var util              = require('util')
   AbstractIterator.call(this, db)
-  this._reverse = !!options.reverse
+  this._reverse = options.reverse
   this._limit   = options.limit
@@ -20,16 +20,30 @@ this._count   = 0
   this._start   = options.start
+  this._gt      = options.gt
+  this._gte     = options.gte
+  this._lt      = options.lt
+  this._lte     = options.lte
 
-  if (this._start && bops.is(this._start) && this._start.length === 0)
-    this._start = null
-  if (this._end && bops.is(this._end) && this._end.length === 0)
-    this._end = null
+  var i
 
   if (this._start) {
-    for (var i = 0; i < this.db._keys.length; i++) {
-      if (this.db._keys[i] >= options.start) {
-        this._pos = this._reverse && this.db._keys[i] != options.start ? i - 1 : i
+    for (i = 0; i < this.db._keys.length; i++) {
+      if (this.db._keys[i] >= this._start) {
+        this._pos = i
+        if (this.db._keys[i] != this._start) {
+          if (this._reverse) {
+            // going backwards and key doesn't match, jump back one
+            --this._pos
+          }
+        } else {
+          if (options.exclusiveStart) {
+            // key matches but it's a gt or lt
+            this._pos += (this._reverse ? -1 : 1)
+          }
+        }
         break
       }
     }
-    if (this._pos == null && !this._reverse) this._pos = -1
+
+    if (this._pos == null && !this._reverse) // no matching keys, non starter
+      this._pos = -1
   }
@@ -58,2 +72,8 @@
 
+  if (  (this._lt  && key >= this._lt)
+     || (this._lte && key > this._lte)
+     || (this._gt  && key <= this._gt)
+     || (this._gte && key < this._gte))
+    return setImmediate(callback)
+
   value = self.db._store[toKey(key)]
@@ -60,0 +80,0 @@ self._pos += self._reverse ? -1 : 1

package.json

 {
     "name"            : "memdown"
   , "description"     : "An drop-in replacement for LevelDOWN that works in memory only"
-  , "version"         : "0.4.1"
+  , "version"         : "0.5.0"
   , "homepage"        : "https://github.com/rvagg/node-memdown"
@@ -19,3 +19,3 @@ , "authors"         : [
   , "dependencies"    : {
-        "abstract-leveldown" : "~0.10.2"
+        "abstract-leveldown" : "~0.11.0"
       , "bops"               : "~0.1.0"
@@ -22,0 +22,0 @@ }

README.md

@@ -20,4 +20,3 @@ # MemDOWN
   , levelup = require('levelup')
-  , factory = function (location) { return new MemDOWN(location) }
-  , db = levelup('/does/not/matter', { db: factory })
+  , db = levelup('/does/not/matter', { db: MemDOWN })
 
@@ -48,2 +47,2 @@ db.put('name', 'Yuri Irsenovich Kim')
 
-MemDOWN is Copyright (c) 2013 Rod Vagg [@rvagg](https://twitter.com/rvagg) and licensed under the MIT licence. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.
+MemDOWN is Copyright (c) 2013 Rod Vagg [@rvagg](https://twitter.com/rvagg) and licensed under the MIT licence. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.

test.js

@@ -29,2 +29,4 @@ var test       = require('tape')
 
+require('abstract-leveldown/abstract/ranges-test').all(MemDOWN, test, testCommon)
+
 test('unsorted entry, sorted iterator', function (t) {
@@ -31,0 +33,0 @@ var db = new MemDOWN('foo')

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Improved metrics

Total package byte prevSize

24957

increased by1.98%

Lines of code

223

increased by9.31%

Dependency changes

• + Addedabstract-leveldown@0.11.4(transitive)

• + Addedobject-keys@0.4.0(transitive)

• + Addedxtend@2.1.2(transitive)

• - Removedabstract-leveldown@0.10.2(transitive)

• Updatedabstract-leveldown@~0.11.0