chore: release version v0.2.7

Bumps [sinon](https://github.com/sinonjs/sinon) from 8.1.1 to 9.0.0.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sinonjs/sinon/compare/v8.1.1...v9.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

.gitignore

@@ -13,3 +13,4 @@ docs
 node_modules
 # Lock files
 package-lock.json
+yarn.lock

CHANGELOG.md

@@ -1,3 +1,13 @@
+<a name="0.2.7"></a>
+## [0.2.7](https://github.com/libp2p/js-interfaces/compare/v0.2.6...v0.2.7) (2020-03-20)
+
+
+### Bug Fixes
+
+* add buffer ([#39](https://github.com/libp2p/js-interfaces/issues/39)) ([78e015c](https://github.com/libp2p/js-interfaces/commit/78e015c))
+
+
+
 <a name="0.2.6"></a>
 ## [0.2.6](https://github.com/libp2p/js-interfaces/compare/v0.2.5...v0.2.6) (2020-02-17)
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "libp2p-interfaces",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "description": "Interfaces for JS Libp2p",
   "leadMaintainer": "Jacob Heun <jacobheun@gmail.com>",
   "main": "src/index.js",
@@ -35,6 +35,7 @@
   "dependencies": {
     "abort-controller": "^3.0.0",
     "abortable-iterator": "^3.0.0",
+    "buffer": "^5.5.0",
     "chai": "^4.2.0",
     "chai-checkmark": "^1.0.1",
     "class-is": "^1.1.0",
@@ -50,7 +51,7 @@
     "p-wait-for": "^3.1.0",
     "peer-id": "^0.13.3",
     "peer-info": "^0.17.0",
-    "sinon": "^8.1.1",
+    "sinon": "^9.0.0",
     "streaming-iterables": "^4.1.0"
   },
   "devDependencies": {

src/crypto/tests/index.js

@@ -1,6 +1,7 @@
 /* eslint-env mocha */
 'use strict'
 
+const { Buffer } = require('buffer')
 const duplexPair = require('it-pair/duplex')
 const pipe = require('it-pipe')
 const peers = require('../../utils/peers')

src/stream-muxer/tests/close-test.js

@@ -2,6 +2,7 @@
 /* eslint max-nested-callbacks: ["error", 8] */
 'use strict'
 
+const { Buffer } = require('buffer')
 const pair = require('it-pair/duplex')
 const pipe = require('it-pipe')
 const { consume } = require('streaming-iterables')

src/transport/tests/listen-test.js

@@ -2,6 +2,7 @@
 /* eslint-env mocha */
 'use strict'
 
+const { Buffer } = require('buffer')
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const expect = chai.expect