chore: migrate to travis for ci (#18)

Author: achingbrain

.travis.yml

@@ -0,0 +1,40 @@
+language: node_js
+cache: npm
+stages:
+  - check
+  - test
+  - cov
+
+node_js:
+  - '10'
+
+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:
+    - stage: check
+      script:
+        - npx aegir commitlint --travis
+        - npx aegir dep-check
+        - npm run lint
+
+    - stage: test
+      name: chrome
+      addons:
+        chrome: stable
+      script: npx aegir test -t browser -t webworker
+
+    - stage: test
+      name: firefox
+      addons:
+        firefox: latest
+      script: npx aegir test -t browser -t webworker -- --browsers FirefoxHeadless
+
+notifications:
+  email: false

README.md

@@ -4,7 +4,7 @@
 [![](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](http://ipfs.io/)
 [![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
 [![standard-readme compliant](https://img.shields.io/badge/standard--readme-OK-green.svg?style=flat-square)](https://github.com/RichardLitt/standard-readme)
-[![Jenkins](https://ci.ipfs.team/buildStatus/icon?job=ipfs/js-ipfs-unixfs-exporter/master)](https://ci.ipfs.team/job/ipfs/job/js-ipfs-unixfs-exporter/job/master/)
+[![Build Status](https://flat.badgen.net/travis/ipfs/js-ipfs-unixfs-exporter)](https://travis-ci.com/ipfs/js-ipfs-unixfs-exporter)
 [![Codecov](https://codecov.io/gh/ipfs/js-ipfs-unixfs-exporter/branch/master/graph/badge.svg)](https://codecov.io/gh/ipfs/js-ipfs-unixfs-exporter)
 [![Dependency Status](https://david-dm.org/ipfs/js-ipfs-unixfs-exporter.svg?style=flat-square)](https://david-dm.org/ipfs/js-ipfs-unixfs-exporter)
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)

ci/Jenkinsfile

@@ -1,11 +1,22 @@
 'use strict'
 
-module.exports = function randomBytes (length) {
-  const buffer = Buffer.alloc(length)
+const crypto = require('crypto')
+const MAX_BYTES = 65536
 
-  for (let i = 0; i < length; i++) {
-    buffer[i] = Math.floor(Math.random() * 256) + 1
+// One day this will be merged: https://github.com/crypto-browserify/randombytes/pull/16
+module.exports = function randomBytes (num) {
+  num = parseInt(num)
+  const bytes = Buffer.allocUnsafe(num)
+
+  for (let offset = 0; offset < num; offset += MAX_BYTES) {
+    let size = MAX_BYTES
+
+    if ((offset + size) > num) {
+      size = num - offset
+    }
+
+    crypto.randomFillSync(bytes, offset, size)
   }
 
-  return buffer
+  return bytes
 }