fast-fifo - npm Package Compare versions

Comparing version 1.2.0 to 1.3.0

fixed-size.js

@@ -11,2 +11,8 @@ module.exports = class FixedFIFO {
 
+  clear () {
+    this.top = this.btm = 0
+    this.next = null
+    this.buffer.fill(undefined)
+  }
+
   push (data) {
@@ -13,0 +19,0 @@ if (this.buffer[this.top] !== undefined) return false

index.js

@@ -11,2 +11,8 @@ const FixedFIFO = require('./fixed-size')
 
+  clear () {
+    this.head = this.tail
+    this.head.clear()
+    this.length = 0
+  }
+
   push (val) {
@@ -13,0 +19,0 @@ this.length++

package.json

 {
   "name": "fast-fifo",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "A fast fifo implementation similar to the one powering nextTick in Node.js core",
@@ -8,7 +8,7 @@ "main": "index.js",
   "devDependencies": {
-    "standard": "^12.0.1",
-    "tape": "^4.10.1"
+    "standard": "^17.1.0",
+    "brittle": "^3.3.2"
   },
   "scripts": {
-    "test": "standard && tape test.js"
+    "test": "standard && brittle test.js"
   },
@@ -15,0 +15,0 @@ "repository": {

README.md

@@ -40,2 +40,6 @@ # fast-fifo
 
+#### `q.clear()`
+
+Remove all values from the FIFO.
+
 #### `bool = q.isEmpty()`
@@ -42,0 +46,0 @@

test.js

@@ -1,5 +0,5 @@
-const tape = require('tape')
+const test = require('brittle')
 const FIFO = require('./')
 
-tape('basic', function (t) {
+test('basic', function (t) {
   const q = new FIFO()
@@ -31,16 +31,15 @@ const values = [
 
-  t.same(q.shift(), undefined)
+  t.is(q.shift(), undefined)
   t.ok(q.isEmpty())
-  t.equal(q.length, 0)
+  t.is(q.length, 0)
   for (const value of values) q.push(value)
   while (!q.isEmpty()) {
-    t.same(q.shift(), values.shift())
-    t.equal(q.length, values.length)
+    t.is(q.shift(), values.shift())
+    t.is(q.length, values.length)
   }
-  t.same(q.shift(), undefined)
+  t.is(q.shift(), undefined)
   t.ok(q.isEmpty())
-  t.end()
 })
 
-tape('long length', function (t) {
+test('long length', function (t) {
   const q = new FIFO()
@@ -51,3 +50,3 @@
 
-  t.same(q.length, len)
+  t.is(q.length, len)
 
@@ -60,6 +59,67 @@ let shifts = 0
 
-  t.same(shifts, len)
-  t.same(q.length, 0)
+  t.is(shifts, len)
+  t.is(q.length, 0)
+})
 
-  t.end()
+test('clear', function (t) {
+  const q = new FIFO()
+
+  q.push('a')
+  q.push('a')
+  q.clear()
+  t.is(q.shift(), undefined)
+  t.is(q.length, 0)
+
+  for (let i = 0; i < 50; i++) {
+    q.push('a')
+  }
+
+  q.clear()
+  t.is(q.shift(), undefined)
+  t.is(q.length, 0)
 })
+
+test('basic length', function (t) {
+  const q = new FIFO()
+
+  q.push('a')
+  t.is(q.length, 1)
+
+  q.push('a')
+  t.is(q.length, 2)
+
+  q.shift()
+  t.is(q.length, 1)
+
+  q.shift()
+  t.is(q.length, 0)
+
+  q.shift()
+  t.is(q.length, 0)
+})
+
+test('peek', function (t) {
+  const q = new FIFO()
+
+  q.push('a')
+  t.is(q.length, 1)
+  t.is(q.peek(), 'a')
+  t.is(q.peek(), 'a')
+
+  q.push('b')
+  t.is(q.length, 2)
+  t.is(q.peek(), 'a')
+  t.is(q.peek(), 'a')
+
+  t.is(q.shift(), 'a')
+  t.is(q.peek(), 'b')
+  t.is(q.peek(), 'b')
+
+  t.is(q.shift(), 'b')
+  t.is(q.peek(), undefined)
+  t.is(q.peek(), undefined)
+})
+
+test('invalid hwm', function (t) {
+  t.exception(() => new FIFO(3))
+})

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Improved metrics

Total package byte prevSize

7908

increased by25.98%

Number of package files

8

increased by14.29%

Lines of code

199

increased by38.19%

Number of lines in readme file

79

increased by5.33%

No dependency changes