sparse-array - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

index.js

@@ -12,2 +12,4 @@ 'use strict'
     this._data = []
+    this._changed = false
+    this._length = 0
   }
@@ -30,2 +32,3 @@
     }
+    this._changed = true
   }
@@ -45,2 +48,45 @@
 
+  push (value) {
+    this.set(this.length, value)
+    return this.length
+  }
+
+  get length () {
+    if (this._changed) {
+      this._length = this._bitArrays.reduce(popCountReduce, 0)
+      this._changed = false
+    }
+    return this._length
+  }
+
+  forEach (iterator) {
+    let i = 0
+    while(i < this.length) {
+      iterator(this.get(i), i, this)
+      i++
+    }
+  }
+
+  map (iterator) {
+    let i = 0
+    let mapped = new Array(this.length)
+    while(i < this.length) {
+      mapped[i] = iterator(this.get(i), i, this)
+      i++
+    }
+    return mapped
+  }
+
+  reduce (reducer, initialValue) {
+    let i = 0
+    let acc = initialValue
+    while(i < this.length) {
+      acc = reducer(acc, this.get(i), i)
+      i++
+    }
+    return acc
+  }
+
+
+
   _internalPositionFor (index, noCreate) {
@@ -47,0 +93,0 @@ const bytePos = this._bytePosFor(index, noCreate)

package.json

 {
   "name": "sparse-array",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Sparse array implementation in JS with no dependencies",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -15,16 +15,40 @@ # sparse-array
 
-```
+Create:
+
+```js
 const SparseArray = require('sparse-array')
 const arr = new SparseArray()
+```
 
+Set, get and unset:
+
+```js
 const index = 0
 arr.set(index, 'value')
+
 arr.get(index) // 'value'
+
 arr.unset(index)
+
 arr.get(index) // undefined
 ```
 
+Iterate:
 
+```js
+arr.forEach((elem, index) => {
+  console.log('elem: %j at %d', elem, index)
+})
+
+const mapped = arr.map((elem, index) => {
+  return elem + 1
+})
+
+const result = arr.reduce((acc, elem, index) => {
+  return acc + Number(elem)
+}, 0)
+```
+
 ## License
 
 ISC

No alert changes

Improved metrics

Total package byte prevSize

6960

increased by50.55%

Number of package files

7

increased by16.67%

Lines of code

229

increased by77.52%

Number of lines in readme file

53

increased by82.76%

No dependency changes