cids - npm Package Compare versions

Comparing version 0.5.7 to 0.5.8

CHANGELOG.md

@@ -0,1 +1,11 @@
+<a name="0.5.8"></a>
+## [0.5.8](https://github.com/multiformats/js-cid/compare/v0.5.7...v0.5.8) (2019-03-14)
+
+
+### Performance Improvements
+
+* cache buffer form of CID when created ([c7fc646](https://github.com/multiformats/js-cid/commit/c7fc646))
+
+
+
 <a name="0.5.7"></a>
@@ -2,0 +12,0 @@ ## [0.5.7](https://github.com/multiformats/js-cid/compare/v0.5.6...v0.5.7) (2018-12-06)

package.json

 {
   "name": "cids",
-  "version": "0.5.7",
+  "version": "0.5.8",
   "description": "CID Implementation in JavaScript",
@@ -39,11 +39,11 @@ "leadMaintainer": "Volker Mische <[e-mail]>",
     "multibase": "~0.6.0",
-    "multicodec": "~0.2.7",
+    "multicodec": "~0.5.0",
     "multihashes": "~0.4.14"
   },
   "devDependencies": {
-    "aegir": "^17.0.0",
-    "chai": "^4.1.2",
+    "aegir": "^18.2.0",
+    "chai": "^4.2.0",
     "dirty-chai": "^2.0.1",
-    "multihashing": "~0.3.2",
-    "multihashing-async": "~0.5.1"
+    "multihashing": "~0.3.3",
+    "multihashing-async": "~0.5.2"
   },
@@ -50,0 +50,0 @@ "engines": {

README.md

@@ -5,2 +5,3 @@ # js-cid
 [![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
+[![Travis CI](https://flat.badgen.net/travis/multiformats/js-cid)](https://travis-ci.com/multiformats/js-cid)
 [![Coverage Status](https://coveralls.io/repos/github/multiformats/js-cid/badge.svg?branch=master)](https://coveralls.io/github/multiformats/js-cid?branch=master)
@@ -7,0 +8,0 @@ [![Dependency Status](https://david-dm.org/multiformats/js-cid.svg?style=flat-square)](https://david-dm.org/multiformats/js-cid)

src/index.js

@@ -125,7 +125,9 @@ 'use strict'
   get buffer () {
-    switch (this.version) {
-      case 0:
-        return this.multihash
-      case 1:
-        return Buffer.concat([
+    let buffer = this._buffer
+
+    if (!buffer) {
+      if (this.version === 0) {
+        buffer = this.multihash
+      } else if (this.version === 1) {
+        buffer = Buffer.concat([
           Buffer.from('01', 'hex'),
@@ -135,5 +137,11 @@ multicodec.getCodeVarint(this.codec),
         ])
-      default:
+      } else {
         throw new Error('unsupported version')
+      }
+
+      // Cache this buffer so it doesn't have to be recreated
+      Object.defineProperty(this, '_buffer', { value: buffer })
     }
+
+    return buffer
   }
@@ -140,0 +148,0 @@

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

783694

increased by50.42%

Lines of code

5999

increased by16.21%

Number of lines in readme file

156

increased by0.65%

Dependency changes

• + Addedmulticodec@0.5.7(transitive)

• - Removedmulticodec@0.2.7(transitive)

• Updatedmulticodec@~0.5.0