multihashes - npm Package Compare versions

Comparing version 2.0.0 to 3.0.0

CHANGELOG.md

@@ -0,1 +1,16 @@
+<a name="3.0.0"></a>
+# [3.0.0](https://github.com/multiformats/js-multihash/compare/v2.0.0...v3.0.0) (2020-08-03)
+
+
+### Bug Fixes
+
+* replace node buffers with uint8arrays ([#92](https://github.com/multiformats/js-multihash/issues/92)) ([b5dbaca](https://github.com/multiformats/js-multihash/commit/b5dbaca))
+
+
+### BREAKING CHANGES
+
+* - Where node `Buffer`s were returned, now `Uint8Array`s are
+
+
+
 <a name="2.0.0"></a>
@@ -2,0 +17,0 @@ # [2.0.0](https://github.com/multiformats/js-multihash/compare/v1.0.1...v2.0.0) (2020-07-30)

dist/index.min.js

 /*! For license information please see index.min.js.LICENSE.txt */
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strict";const{names:r}=n(0),{TextDecoder:i}=n(2),o=new i("utf8");e.exports=function(e,t="utf8"){if("utf8"===t||"utf-8"===t)return o.decode(e);const n=r[t];if(!n)throw new Error("Unknown base");return n.encode(e)}},function(e,t,n){"use strict";const{names:r}=n(0),{TextEncoder:i}=n(2),o=new i;e.exports=function(e,t="utf8"){if("utf8"===t||"utf-8"===t)return o.encode(e);const n=r[t];if(!n)throw new Error("Unknown base");return n.decode(e)}},function(e,t,n){"use strict";e.exports=function(e,t){t||(t=e.reduce((e,t)=>e+t.length,0));const n=new Uint8Array(t);let r=0;for(const i of e)n.set(i,r),r+=i.length;return n}}])}));

package.json

 {
   "name": "multihashes",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "description": "multihash implementation",
@@ -34,11 +34,8 @@ "keywords": [
   "dependencies": {
-    "buffer": "^5.6.0",
-    "multibase": "^2.0.0",
-    "varint": "^5.0.0",
-    "web-encoding": "^1.0.2"
+    "multibase": "^3.0.0",
+    "uint8arrays": "^1.0.0",
+    "varint": "^5.0.0"
   },
   "devDependencies": {
-    "aegir": "^24.0.0",
-    "chai": "^4.1.2",
-    "dirty-chai": "^2.0.1",
+    "aegir": "^25.0.0",
     "ipfs-utils": "^2.3.1"
@@ -59,4 +56,5 @@ },
     "Irakli Gozalishvili <[e-mail]>",
-    "Fil <[e-mail]>",
+    "Alan Shaw <[e-mail]>",
     "Donald Tsang <[e-mail]>",
+    "Alex Potsides <[e-mail]>",
     "Trond Arne Bråthen <[e-mail]>",
@@ -67,4 +65,4 @@ "Vasco Santos <[e-mail]>",
     "nginnever <[e-mail]>",
-    "Nate Foss <[e-mail]>",
-    "Alan Shaw <[e-mail]>"
+    "Fil <[e-mail]>",
+    "Nate Foss <[e-mail]>"
   ],
@@ -71,0 +69,0 @@ "engines": {

README.md

@@ -1,3 +0,2 @@
-js-multihash
-============
+# js-multihash <!-- omit in toc -->
 
@@ -20,14 +19,14 @@ [![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://ipn.io)
 
-## Lead Maintainer
+## Lead Maintainer <!-- omit in toc -->
 
 [Hugo Dias](http://github.com/hugomrdias/)
 
-## Table of Contents
+## Table of Contents <!-- omit in toc -->
 
 - [Install](#install)
-  - [In Node.js through npm](#in-nodejs-through-npm)
-  - [Browser: Browserify, Webpack, other bundlers](#browser-browserify-webpack-other-bundlers)
-  - [In the Browser through `<script>` tag](#in-the-browser-through-script-tag)
+  - [Using npm](#using-npm)
+  - [Using a `<script>` tag](#using-a-script-tag)
 - [Usage](#usage)
 - [API](#api)
+- [Update Constants](#update-constants)
 - [Contribute](#contribute)
@@ -64,7 +63,7 @@ - [License](#license)
 > var multihash = require('multihashes')
-> var buf = new Buffer('0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33', 'hex')
+> var bytes = Uint8Array.from([0, 1, 2, 3...])
 
-> var encoded = multihash.encode(buf, 'sha1')
+> var encoded = multihash.encode(bytes, 'sha1')
 > console.log(encoded)
-<Buffer 11 14 0b ee c7 b5 ea 3f 0f db c9 5d 0d d4 7f 3c 5b c2 75 da 8a 33>
+<Uint8Array 11 14 0b ee c7 b5 ea 3f 0f db c9 5d 0d d4 7f 3c 5b c2 75 da 8a 33>
 
@@ -75,3 +74,3 @@ > multihash.decode(encoded)
   length: 20,
-  digest: <Buffer 0b ee c7 b5 ea 3f 0f db c9 5d 0d d4 7f 3c 5b c2 75 da 8a 33> }
+  digest: <Uint8Array 0b ee c7 b5 ea 3f 0f db c9 5d 0d d4 7f 3c 5b c2 75 da 8a 33> }
 ```
@@ -78,0 +77,0 @@

src/index.js

@@ -10,7 +10,8 @@ // @ts-check
 
-const { Buffer } = require('buffer')
 const multibase = require('multibase')
 const varint = require('varint')
 const { names } = require('./constants')
-const { TextDecoder } = require('web-encoding')
+const uint8ArrayToString = require('uint8arrays/to-string')
+const uint8ArrayFromString = require('uint8arrays/from-string')
+const uint8ArrayConcat = require('uint8arrays/concat')
 
@@ -37,7 +38,3 @@ const textDecoder = new TextDecoder()
 
-  const buffer = Buffer.isBuffer(hash)
-    ? hash
-    : Buffer.from(hash.buffer, hash.byteOffset, hash.byteLength)
-
-  return buffer.toString('hex')
+  return uint8ArrayToString(hash, 'base16')
 }
@@ -49,6 +46,6 @@
  * @param {string} hash
- * @returns {Buffer}
+ * @returns {Uint8Array}
  */
 exports.fromHexString = function fromHexString (hash) {
-  return Buffer.from(hash, 'hex')
+  return uint8ArrayFromString(hash, 'base16')
 }
@@ -74,3 +71,3 @@
  * @param {string|Uint8Array} hash
- * @returns {Buffer}
+ * @returns {Uint8Array}
  */
@@ -89,3 +86,3 @@ exports.fromB58String = function fromB58String (hash) {
  * @param {Uint8Array} bytes
- * @returns {{code: number, name: string, length: number, digest: Buffer}} result
+ * @returns {{code: number, name: string, length: number, digest: Uint8Array}} result
  */
@@ -96,24 +93,21 @@ exports.decode = function decode (bytes) {
   }
-  let buf = Buffer.isBuffer(bytes)
-    ? bytes
-    : Buffer.from(bytes.buffer, bytes.byteOffset, bytes.byteLength)
 
-  if (buf.length < 2) {
+  if (bytes.length < 2) {
     throw new Error('multihash too short. must be > 2 bytes.')
   }
 
-  const code = varint.decode(buf)
+  const code = varint.decode(bytes)
   if (!exports.isValidCode(code)) {
     throw new Error(`multihash unknown function code: 0x${code.toString(16)}`)
   }
-  buf = buf.slice(varint.decode.bytes)
+  bytes = bytes.slice(varint.decode.bytes)
 
-  const len = varint.decode(buf)
+  const len = varint.decode(bytes)
   if (len < 0) {
     throw new Error(`multihash invalid length: ${len}`)
   }
-  buf = buf.slice(varint.decode.bytes)
+  bytes = bytes.slice(varint.decode.bytes)
 
-  if (buf.length !== len) {
-    throw new Error(`multihash length inconsistent: 0x${buf.toString('hex')}`)
+  if (bytes.length !== len) {
+    throw new Error(`multihash length inconsistent: 0x${uint8ArrayToString(bytes, 'base16')}`)
   }
@@ -125,3 +119,3 @@
     length: len,
-    digest: buf
+    digest: bytes
   }
@@ -138,3 +132,3 @@ }
  * @param {number} [length]
- * @returns {Buffer}
+ * @returns {Uint8Array}
  */
@@ -163,7 +157,3 @@ exports.encode = function encode (digest, code, length) {
   const len = varint.encode(length)
-  const buffer = Buffer.alloc(hash.length + len.length + digest.length)
-  buffer.set(hash, 0)
-  buffer.set(len, hash.length)
-  buffer.set(digest, hash.length + len.length)
-  return buffer
+  return uint8ArrayConcat([hash, len, digest], hash.length + len.length + digest.length)
 }
@@ -242,3 +232,3 @@
  * @param {Uint8Array} multihash
- * @returns {Buffer}
+ * @returns {Uint8Array}
  * @throws {Error}
@@ -249,3 +239,3 @@ */
 
-  return Buffer.from(multihash.buffer, multihash.byteOffset, 2)
+  return multihash.subarray(0, 2)
 }

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

Total package byte prevSize

69089

increased by0.65%

Dependency count

3

decreased by-25%

Dev dependency count

2

decreased by-50%

Worsened metrics

Lines of code

552

decreased by-1.6%

Number of lines in readme file

99

decreased by-1%

Dependency changes

• + Addeduint8arrays@^1.0.0

• + Added@multiformats/base-x@4.0.1(transitive)

• + Addedmultibase@3.1.2(transitive)

• + Addeduint8arrays@1.1.0(transitive)

• - Removedbuffer@^5.6.0

• - Removedweb-encoding@^1.0.2

• - Removedbase-x@3.0.10(transitive)

• - Removedbase64-js@1.5.1(transitive)

• - Removedbuffer@5.7.1(transitive)

• - Removedieee754@1.2.1(transitive)

• - Removedmultibase@2.0.0(transitive)

• - Removedsafe-buffer@5.2.1(transitive)

• Updatedmultibase@^3.0.0