advance - npm Package Compare versions

Comparing version 0.0.12 to 0.0.13

advance.js

@@ -1,4 +0,4 @@
-function Forward (array) {
+function Forward (array, index) {
     this._array = array
-    this._index = 0
+    this._index = index == null ? 0 : index
 }
@@ -22,9 +22,9 @@
 
-exports.forward = function (array) {
-    return new Forward(array)
+exports.forward = function (array, index) {
+    return new Forward(array, index)
 }
 
-function Reverse (array) {
+function Reverse (array, index) {
     this._array = array
-    this._index = array.length - 1
+    this._index = index == null ? array.length - 1 : index
 }
@@ -48,4 +48,4 @@
 
-exports.reverse = function (array) {
-    return new Reverse(array)
+exports.reverse = function (array, index) {
+    return new Reverse(array, index)
 }

package.json

 {
     "name":             "advance",
-    "version":          "0.0.12",
+    "version":          "0.0.13",
     "author":           "Alan Gutierrez <[e-mail]>",
@@ -5,0 +5,0 @@ "description":      "In-memory forward iterator for use with the Strata b-tree MVCC tool collection.",

t/advance/forward.t.js

@@ -1,7 +0,9 @@
-require('proof')(3, require('cadence/redux')(prove))
+require('proof')(6, require('cadence/redux')(prove))
 
 function prove (async, assert) {
     var values = [ 'a', 'b', 'c' ]
-    var iterator = require('../..').forward(values)
+    var advance = require('../..')
+    var iterator
     async(function () {
+        iterator = advance.forward(values)
         iterator.next(async())
@@ -20,3 +22,18 @@ }, function (more) {
         iterator.unlock(async())
+    }, function () {
+        iterator = advance.forward(values, 1)
+        iterator.next(async())
+    }, function (more) {
+        assert(more, 'more')
+        var items = [], item
+        while (item = iterator.get()) {
+            items.push(item)
+        }
+        assert(items, [ 'b', 'c' ], 'next with index')
+        iterator.next(async())
+    }, function (more) {
+        assert(!more, 'no more with index')
+    }, function () {
+        iterator.unlock(async())
     })
 }

t/advance/reverse.t.js

@@ -1,7 +0,9 @@
-require('proof')(3, require('cadence/redux')(prove))
+require('proof')(6, require('cadence/redux')(prove))
 
 function prove (async, assert) {
     var values = [ 'a', 'b', 'c' ]
-    var iterator = require('../..').reverse(values)
+    var advance = require('../..')
+    var iterator
     async(function () {
+        iterator = advance.reverse(values)
         iterator.next(async())
@@ -20,3 +22,18 @@ }, function (more) {
         iterator.unlock(async())
+    }, function () {
+        iterator = advance.reverse(values, 1)
+        iterator.next(async())
+    }, function (more) {
+        assert(more, 'more')
+        var items = [], item
+        while (item = iterator.get()) {
+            items.push(item)
+        }
+        assert(items, [ 'b', 'a' ], 'next with index')
+        iterator.next(async())
+    }, function (more) {
+        assert(!more, 'no more with index')
+    }, function () {
+        iterator.unlock(async())
     })
 }

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Improved metrics

Total package byte prevSize

8233

increased by16.2%

Lines of code

114

increased by42.5%

No dependency changes