crc32-stream - npm Package Compare versions

Comparing version 2.0.0 to 3.0.0

CHANGELOG.md

 ## Changelog
 
+**3.0.0** — <small>_April 29, 2019_</small> — [Diff](https://github.com/archiverjs/node-crc32-stream/compare/2.0.0...3.0.0)
+
+- Require Node.js 6.9, update dependencies, use modern JS syntax (GH #10)
+- Do not use the deprecated Buffer() constructor (GH #8)
+- remove node v0.10 and v0.12 support
+
 **2.0.0** — <small>_February 13, 2017_</small> — [Diff](https://github.com/archiverjs/node-crc32-stream/compare/1.0.1...2.0.0)
@@ -12,2 +18,2 @@
 
-[Release Archive](https://github.com/archiverjs/node-crc32-stream/releases)
+[Release Archive](https://github.com/archiverjs/node-crc32-stream/releases)

lib/crc32-stream.js

@@ -8,38 +8,42 @@ /**
  */
-var inherits = require('util').inherits;
-var Transform = require('readable-stream').Transform;
 
-var crc32 = require('crc').crc32;
+ 'use strict';
 
-var CRC32Stream = module.exports = function CRC32Stream(options) {
-  Transform.call(this, options);
-  this.checksum = new Buffer(4);
-  this.checksum.writeInt32BE(0, 0);
+const {Transform} = require('readable-stream');
 
-  this.rawSize = 0;
-};
+const {crc32} = require('crc');
 
-inherits(CRC32Stream, Transform);
+class CRC32Stream extends Transform {
+  constructor(options) {
+    super(options);
+    this.checksum = Buffer.allocUnsafe(4);
+    this.checksum.writeInt32BE(0, 0);
 
-CRC32Stream.prototype._transform = function(chunk, encoding, callback) {
-  if (chunk) {
-    this.checksum = crc32(chunk, this.checksum);
-    this.rawSize += chunk.length;
+    this.rawSize = 0;
   }
 
-  callback(null, chunk);
-};
+  _transform(chunk, encoding, callback) {
+    if (chunk) {
+      this.checksum = crc32(chunk, this.checksum);
+      this.rawSize += chunk.length;
+    }
 
-CRC32Stream.prototype.digest = function(encoding) {
-  var checksum = new Buffer(4);
-  checksum.writeUInt32BE(this.checksum >>> 0, 0);
-  return encoding ? checksum.toString(encoding) : checksum;
-};
+    callback(null, chunk);
+  }
 
-CRC32Stream.prototype.hex = function() {
-  return this.digest('hex').toUpperCase();
-};
+  digest(encoding) {
+    const checksum = Buffer.allocUnsafe(4);
+    checksum.writeUInt32BE(this.checksum >>> 0, 0);
+    return encoding ? checksum.toString(encoding) : checksum;
+  }
 
-CRC32Stream.prototype.size = function() {
-  return this.rawSize;
-};
+  hex() {
+    return this.digest('hex').toUpperCase();
+  }
+
+  size() {
+    return this.rawSize;
+  }
+}
+
+module.exports = CRC32Stream;

lib/deflate-crc32-stream.js

@@ -8,63 +8,56 @@ /**
  */
-var zlib = require('zlib');
-var inherits = require('util').inherits;
 
-var crc32 = require('crc').crc32;
+'use strict';
 
-var DeflateCRC32Stream = module.exports = function (options) {
-  zlib.DeflateRaw.call(this, options);
+const {DeflateRaw} = require('zlib');
 
-  this.checksum = new Buffer(4);
-  this.checksum.writeInt32BE(0, 0);
+const {crc32} = require('crc');
 
-  this.rawSize = 0;
-  this.compressedSize = 0;
+class DeflateCRC32Stream extends DeflateRaw {
+  constructor(options) {
+    super(options);
 
-  // BC v0.8
-  if (typeof zlib.DeflateRaw.prototype.push !== 'function') {
-    this.on('data', function(chunk) {
-      if (chunk) {
-        this.compressedSize += chunk.length;
-      }
-    });
+    this.checksum = Buffer.allocUnsafe(4);
+    this.checksum.writeInt32BE(0, 0);
+
+    this.rawSize = 0;
+    this.compressedSize = 0;
   }
-};
 
-inherits(DeflateCRC32Stream, zlib.DeflateRaw);
+  push(chunk, encoding) {
+    if (chunk) {
+      this.compressedSize += chunk.length;
+    }
 
-DeflateCRC32Stream.prototype.push = function(chunk, encoding) {
-  if (chunk) {
-    this.compressedSize += chunk.length;
+    return super.push(chunk, encoding);
   }
 
-  return zlib.DeflateRaw.prototype.push.call(this, chunk, encoding);
-};
+  write(chunk, enc, cb) {
+    if (chunk) {
+      this.checksum = crc32(chunk, this.checksum);
+      this.rawSize += chunk.length;
+    }
 
-DeflateCRC32Stream.prototype.write = function(chunk, enc, cb) {
-  if (chunk) {
-    this.checksum = crc32(chunk, this.checksum);
-    this.rawSize += chunk.length;
+    return super.write(chunk, enc, cb);
   }
 
-  return zlib.DeflateRaw.prototype.write.call(this, chunk, enc, cb);
-};
+  digest(encoding) {
+    const checksum = Buffer.allocUnsafe(4);
+    checksum.writeUInt32BE(this.checksum >>> 0, 0);
+    return encoding ? checksum.toString(encoding) : checksum;
+  }
 
-DeflateCRC32Stream.prototype.digest = function(encoding) {
-  var checksum = new Buffer(4);
-  checksum.writeUInt32BE(this.checksum >>> 0, 0);
-  return encoding ? checksum.toString(encoding) : checksum;
-};
+  hex() {
+    return this.digest('hex').toUpperCase();
+  }
 
-DeflateCRC32Stream.prototype.hex = function() {
-  return this.digest('hex').toUpperCase();
-};
+  size(compressed = false) {
+    if (compressed) {
+      return this.compressedSize;
+    } else {
+      return this.rawSize;
+    }
+  }
+}
 
-DeflateCRC32Stream.prototype.size = function(compressed) {
-  compressed = compressed || false;
-
-  if (compressed) {
-    return this.compressedSize;
-  } else {
-    return this.rawSize;
-  }
-};
+module.exports = DeflateCRC32Stream;

lib/index.js

@@ -8,4 +8,8 @@ /**
  */
-exports = module.exports = require('./crc32-stream');
-exports.CRC32Stream = exports;
-exports.DeflateCRC32Stream = require('./deflate-crc32-stream');
+
+'use strict';
+
+module.exports = {
+  CRC32Stream: require('./crc32-stream'),
+  DeflateCRC32Stream: require('./deflate-crc32-stream')
+}

package.json

 {
   "name": "crc32-stream",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "description": "a streaming CRC32 checksumer",
@@ -23,3 +23,3 @@ "homepage": "https://github.com/archiverjs/node-crc32-stream",
   "engines": {
-    "node": ">= 0.10.0"
+    "node": ">= 6.9.0"
   },
@@ -31,7 +31,7 @@ "scripts": {
     "crc": "^3.4.4",
-    "readable-stream": "^2.0.0"
+    "readable-stream": "^3.2.0"
   },
   "devDependencies": {
-    "chai": "^3.4.0",
-    "mocha": "^3.2.0"
+    "chai": "^4.0.0",
+    "mocha": "^6.0.2"
   },
@@ -38,0 +38,0 @@ "keywords": [

README.md

@@ -1,4 +0,4 @@
-# crc32-stream v2.0.0 [![Build Status](https://travis-ci.org/archiverjs/node-crc32-stream.svg?branch=master)](https://travis-ci.org/archiverjs/node-crc32-stream) [![Build status](https://ci.appveyor.com/api/projects/status/sy60s39cmyvd60i3/branch/master?svg=true)](https://ci.appveyor.com/project/ctalkington/node-crc32-stream/branch/master)
+# CRC32 Stream [![Build Status](https://travis-ci.org/archiverjs/node-crc32-stream.svg?branch=master)](https://travis-ci.org/archiverjs/node-crc32-stream) [![Build status](https://ci.appveyor.com/api/projects/status/sy60s39cmyvd60i3/branch/master?svg=true)](https://ci.appveyor.com/project/ctalkington/node-crc32-stream/branch/master)
 
-crc32-stream is a streaming CRC32 checksumer. It uses [buffer-crc32](https://www.npmjs.org/package/buffer-crc32) behind the scenes to reliably handle binary data and fancy character sets. Data is passed through untouched.
+crc32-stream is a streaming CRC32 checksumer. It uses the [crc](https://www.npmjs.org/package/crc) module behind the scenes to reliably handle binary data and fancy character sets. Data is passed through untouched.
 
@@ -20,6 +20,6 @@ ### Install
 ```js
-var CRC32Stream = require('crc32-stream');
+const {CRC32Stream} = require('crc32-stream');
 
-var source = fs.createReadStream('file.txt');
-var checksum = new CRC32Stream();
+const source = fs.createReadStream('file.txt');
+const checksum = new CRC32Stream();
 
@@ -43,6 +43,6 @@ checksum.on('end', function(err) {
 ```js
-var DeflateCRC32Stream = require('crc32-stream').DeflateCRC32Stream;
+const {DeflateCRC32Stream} = require('crc32-stream');
 
-var source = fs.createReadStream('file.txt');
-var checksum = new DeflateCRC32Stream();
+const source = fs.createReadStream('file.txt');
+const checksum = new DeflateCRC32Stream();
 
@@ -81,2 +81,2 @@ checksum.on('end', function(err) {
 - [Contributing](https://github.com/archiverjs/node-crc32-stream/blob/master/CONTRIBUTING.md)
-- [MIT License](https://github.com/archiverjs/node-crc32-stream/blob/master/LICENSE-MIT)
+- [MIT License](https://github.com/archiverjs/node-crc32-stream/blob/master/LICENSE-MIT)

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Number of lines in readme file

80

increased by1.27%

Worsened metrics

Total package byte prevSize

7944

decreased by-3.56%

Lines of code

97

decreased by-2.02%

Dependency changes

• + Addedreadable-stream@3.6.2(transitive)

• + Addedsafe-buffer@5.2.1(transitive)

• + Addedstring_decoder@1.3.0(transitive)

• - Removedcore-util-is@1.0.3(transitive)

• - Removedisarray@1.0.0(transitive)

• - Removedprocess-nextick-args@2.0.1(transitive)

• - Removedreadable-stream@2.3.8(transitive)

• - Removedsafe-buffer@5.1.2(transitive)

• - Removedstring_decoder@1.1.1(transitive)

• Updatedreadable-stream@^3.2.0