gunzip-maybe - npm Package Compare versions

Comparing version 1.2.1 to 1.3.0

bin.js

@@ -18,2 +18,2 @@ #!/usr/bin/env node
 
-input.pipe(gunzip()).pipe(process.stdout)
+input.pipe(gunzip()).pipe(process.stdout)

index.js

@@ -1,2 +0,2 @@
-var zlib = require('zlib');
+var zlib = require('zlib')
 var peek = require('peek-stream')
@@ -6,15 +6,24 @@ var through = require('through2')
 
-var isGzipped = function(data) {
-  if (data.length < 10) return false // gzip header is 10 bytes
-  if (data[0] !== 0x1f && data[1] !== 0x8b) return false // gzip magic bytes
-  if (data[2] !== 8) return false // is deflating
-  return true
+var isCompressed = function (data) {
+  if (data.length < 10) return 0 // gzip header is 10 bytes
+  if (data[0] === 0x1f && data[1] === 0x8b && data[2] === 8) return 1 // gzip magic bytes
+  if (data[0] === 0x78 && (data[1] === 1 || data[1] === 0x9c || data[1] === 0xda)) return 2 // deflate magic bytes
+  return 0
 }
 
-var gunzip = function() {
-  return peek({newline:false, maxBuffer:10}, function(data, swap) {
-    swap(null, isGzipped(data) ? pumpify(zlib.createGunzip(), gunzip()) : through())
+var gunzip = function () {
+  return peek({newline: false, maxBuffer: 10}, function (data, swap) {
+    switch (isCompressed(data)) {
+      case 1:
+        swap(null, pumpify(zlib.createGunzip(), gunzip()))
+        break
+      case 2:
+        swap(null, pumpify(zlib.createInflate(), gunzip()))
+        break
+      default:
+        swap(null, through())
+    }
   })
 }
 
-module.exports = gunzip;
+module.exports = gunzip

package.json

 {
   "name": "gunzip-maybe",
   "description": "Transform stream that gunzips its input if it is gzipped and just echoes it if not",
-  "version": "1.2.1",
-  "repository": "mafintosh/gunzip-maybe",
+  "version": "1.3.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/gunzip-maybe"
+  },
+  "license": "MIT",
   "dependencies": {
@@ -14,6 +18,7 @@ "browserify-zlib": "^0.1.4",
     "concat-stream": "^1.4.5",
+    "standard": "^5.4.1",
     "tape": "^2.12.3"
   },
   "scripts": {
-    "test": "tape test.js"
+    "test": "standard && tape test.js"
   },
@@ -25,3 +30,13 @@ "bin": {
     "zlib": "browserify-zlib"
-  }
+  },
+  "bugs": {
+    "url": "https://github.com/mafintosh/gunzip-maybe/issues"
+  },
+  "homepage": "https://github.com/mafintosh/gunzip-maybe",
+  "main": "index.js",
+  "author": "Mathias Buus (@mafintosh)",
+  "coordinates": [
+    59.91695350000001,
+    10.7400225
+  ]
 }

README.md

@@ -10,2 +10,3 @@ # gunzip-maybe
 [![build status](http://img.shields.io/travis/mafintosh/gunzip-maybe.svg?style=flat)](http://travis-ci.org/mafintosh/gunzip-maybe)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](https://github.com/feross/standard)
 
@@ -12,0 +13,0 @@ ## Usage

test.js

@@ -1,35 +0,56 @@
-var tape = require('tape');
-var zlib = require('zlib');
-var concat = require('concat-stream');
-var fs = require('fs');
-var gunzip = require('./');
+var tape = require('tape')
+var zlib = require('zlib')
+var concat = require('concat-stream')
+var fs = require('fs')
+var gunzip = require('./')
 
-tape('gunzipped input', function(t) {
-	fs.createReadStream(__filename)
-		.pipe(zlib.createGzip())
-		.pipe(gunzip())
-		.pipe(concat(function(data) {
-			t.same(data, fs.readFileSync(__filename));
-			t.end();
-		}))
-});
+tape('deflated input', function (t) {
+  fs.createReadStream(__filename)
+    .pipe(zlib.createDeflate())
+    .pipe(gunzip())
+    .pipe(concat(function (data) {
+      t.same(data, fs.readFileSync(__filename))
+      t.end()
+    }))
+})
 
-tape('gunzipped multiple times', function(t) {
-	fs.createReadStream(__filename)
-		.pipe(zlib.createGzip())
-		.pipe(zlib.createGzip())
-		.pipe(gunzip())
-		.pipe(concat(function(data) {
-			t.same(data, fs.readFileSync(__filename));
-			t.end();
-		}))
-});
+tape('deflated multiple times', function (t) {
+  fs.createReadStream(__filename)
+    .pipe(zlib.createDeflate())
+    .pipe(zlib.createDeflate())
+    .pipe(gunzip())
+    .pipe(concat(function (data) {
+      t.same(data, fs.readFileSync(__filename))
+      t.end()
+    }))
+})
 
-tape('regular input', function(t) {
-	fs.createReadStream(__filename)
-		.pipe(gunzip())
-		.pipe(concat(function(data) {
-			t.same(data, fs.readFileSync(__filename));
-			t.end();
-		}))
-});
+tape('gunzipped input', function (t) {
+  fs.createReadStream(__filename)
+    .pipe(zlib.createGzip())
+    .pipe(gunzip())
+    .pipe(concat(function (data) {
+      t.same(data, fs.readFileSync(__filename))
+      t.end()
+    }))
+})
+
+tape('gunzipped multiple times', function (t) {
+  fs.createReadStream(__filename)
+    .pipe(zlib.createGzip())
+    .pipe(zlib.createGzip())
+    .pipe(gunzip())
+    .pipe(concat(function (data) {
+      t.same(data, fs.readFileSync(__filename))
+      t.end()
+    }))
+})
+
+tape('regular input', function (t) {
+  fs.createReadStream(__filename)
+    .pipe(gunzip())
+    .pipe(concat(function (data) {
+      t.same(data, fs.readFileSync(__filename))
+      t.end()
+    }))
+})

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Found 1 instance in 1 package

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Fixed alerts

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No bug tracker

Maintenance

Package does not have a linked bug tracker in package.json.

Found 1 instance in 1 package

No repository

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No website

Quality

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

5535

increased by31.13%

Lines of code

90

increased by52.54%

Number of low maintenance alerts

0

decreased by-100%

Number of low quality alerts

0

decreased by-100%

Number of lines in readme file

35

increased by2.94%

Number of low supply chain risk alerts

2

decreased by-33.33%

Worsened metrics

Dev dependency count

3

increased by50%

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes