fix: reduce bundle size (#90)

.aegir.js

@@ -0,0 +1,4 @@
+module.exports = {
+    bundlesize: { maxSize: '191kB' }
+}
+

.travis.yml

@@ -12,15 +12,19 @@ node_js:
 os:
   - linux
   - osx
-  - windows
 
 script: npx nyc -s npm run test:node -- --bail
 after_success: npx nyc report --reporter=text-lcov > coverage.lcov && npx codecov
 
 jobs:
   include:
+    - os: windows
+      filter_secrets: false
+      cache: false
+
     - stage: check
       script:
+        - npx aegir build --bundlesize
         - npx aegir commitlint --travis
         - npx aegir dep-check
         - npm run lint

README.md

@@ -6,6 +6,7 @@
 [![Build Status](https://travis-ci.org/libp2p/js-libp2p-kad-dht.svg?style=flat-square)](https://travis-ci.org/libp2p/js-libp2p-kad-dht)
 [![Coverage Status](https://coveralls.io/repos/github/libp2p/js-libp2p-kad-dht/badge.svg?branch=master)](https://coveralls.io/github/libp2p/js-libp2p-kad-dht?branch=master)
 [![Dependency Status](https://david-dm.org/libp2p/js-libp2p-kad-dht.svg?style=flat-square)](https://david-dm.org/libp2p/js-libp2p-kad-dht)
+[![Bundle Size](https://flat.badgen.net/bundlephobia/minzip/libp2p-kad-dht)](https://bundlephobia.com/result?p=libp2p-kad-dht)
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
 [![standard-readme compliant](https://img.shields.io/badge/standard--readme-OK-green.svg?style=flat-square)](https://github.com/RichardLitt/standard-readme)
 ![](https://img.shields.io/badge/npm-%3E%3D3.0.0-orange.svg?style=flat-square)

package.json

@@ -37,7 +37,6 @@
   },
   "homepage": "https://github.com/libp2p/js-libp2p-kad-dht",
   "dependencies": {
-    "@nodeutils/defaults-deep": "^1.1.0",
     "async": "^2.6.2",
     "base32.js": "~0.1.0",
     "chai-checkmark": "^1.0.1",
@@ -50,6 +49,7 @@
     "k-bucket": "^5.0.0",
     "libp2p-crypto": "~0.16.0",
     "libp2p-record": "~0.6.2",
+    "merge-options": "^1.0.1",
     "multihashes": "~0.4.14",
     "multihashing-async": "~0.5.2",
     "peer-id": "~0.12.2",
@@ -59,7 +59,7 @@
     "pull-length-prefixed": "^1.3.1",
     "pull-stream": "^3.6.9",
     "varint": "^5.0.0",
-    "xor-distance": "^1.0.0"
+    "xor-distance": "^2.0.0"
   },
   "devDependencies": {
     "aegir": "^18.1.1",

src/index.js

@@ -23,7 +23,7 @@ const Providers = require('./providers')
 const Message = require('./message')
 const RandomWalk = require('./random-walk')
 const assert = require('assert')
-const defaultsDeep = require('@nodeutils/defaults-deep')
+const mergeOptions = require('merge-options')
 
 /**
  * A DHT implementation modeled after Kademlia with S/Kademlia modifications.
@@ -58,7 +58,7 @@ class KadDHT extends EventEmitter {
     options = options || {}
     options.validators = options.validators || {}
     options.selectors = options.selectors || {}
-    options.randomWalk = defaultsDeep(options.randomWalk, c.defaultRandomWalk)
+    options.randomWalk = mergeOptions(c.defaultRandomWalk, options.randomWalk)
 
     /**
      * Local reference to the libp2p-switch instance