chore: release version v0.13.9

Tell Typescript that `isPeerId(id)` returns true if, and only if, `id` is of type `PeerId`.

See https://www.typescriptlang.org/docs/handbook/advanced-types.html#using-type-predicates

CHANGELOG.md

@@ -1,3 +1,23 @@
+<a name="0.13.9"></a>
+## [0.13.9](https://github.com/libp2p/js-peer-id/compare/v0.13.8...v0.13.9) (2020-02-19)
+
+
+
+<a name="0.13.8"></a>
+## [0.13.8](https://github.com/libp2p/js-peer-id/compare/v0.13.6...v0.13.8) (2020-02-18)
+
+
+### Bug Fixes
+
+* remove use of assert module ([#117](https://github.com/libp2p/js-peer-id/issues/117)) ([f44645e](https://github.com/libp2p/js-peer-id/commit/f44645e))
+
+
+### Features
+
+* adds typescript types + type tests ([#110](https://github.com/libp2p/js-peer-id/issues/110)) ([a5070ae](https://github.com/libp2p/js-peer-id/commit/a5070ae))
+
+
+
 <a name="0.13.7"></a>
 ## [0.13.7](https://github.com/libp2p/js-peer-id/compare/v0.13.6...v0.13.7) (2020-01-27)
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "peer-id",
-  "version": "0.13.7",
+  "version": "0.13.9",
   "description": "IPFS Peer Id implementation in Node.js",
   "leadMaintainer": "Vasco Santos <santos.vasco10@gmail.com>",
   "main": "src/index.js",
@@ -56,6 +56,7 @@
     "url": "https://github.com/libp2p/js-peer-id.git"
   },
   "contributors": [
+    "Alex Potsides <alex@achingbrain.net>",
     "Arve Knudsen <arve.knudsen@gmail.com>",
     "Carson Farmer <carson.farmer@gmail.com>",
     "Christian Paul <info@jaller.de>",
@@ -73,6 +74,7 @@
     "Prashanth Chandra <coolshanth94@gmail.com>",
     "Richard Littauer <richard.littauer@gmail.com>",
     "Richard Schneider <makaretu@gmail.com>",
+    "Robert Kiel <robert.kiel@validitylabs.org>",
     "Stephen Whitmore <stephen.whitmore@gmail.com>",
     "Topper Bowers <topper@quorumcontrol.com>",
     "Vasco Santos <vasco.santos@moxy.studio>",

src/index.d.ts

@@ -38,7 +38,7 @@ declare namespace PeerId {
    * Checks if a value is an instance of PeerId.
    * @param id The value to check.
    */
-  function isPeerId(id: any): boolean
+  function isPeerId(id: any): id is PeerId
 
   /**
    * Create a new PeerId.
@@ -105,7 +105,7 @@ declare class PeerId {
   /**
    * Raw id.
    */
-  id: Buffer;
+  readonly id: Buffer;
 
   /**
    * Private key.

src/index.js

@@ -7,16 +7,17 @@
 const mh = require('multihashes')
 const CID = require('cids')
 const cryptoKeys = require('libp2p-crypto/src/keys')
-const assert = require('assert')
 const withIs = require('class-is')
 const { PeerIdProto } = require('./proto')
 
 class PeerId {
   constructor (id, privKey, pubKey) {
-    assert(Buffer.isBuffer(id), 'invalid id provided')
+    if (!Buffer.isBuffer(id)) {
+      throw new Error('invalid id provided')
+    }
 
-    if (privKey && pubKey) {
-      assert(privKey.public.bytes.equals(pubKey.bytes), 'inconsistent arguments')
+    if (privKey && pubKey && !privKey.public.bytes.equals(pubKey.bytes)) {
+      throw new Error('inconsistent arguments')
     }
 
     this._id = id