drop safe-buffer dependency, bump min node to 6 - fixes #20

.travis.yml

@@ -1,5 +1,4 @@
 language: node_js
 node_js:
-  - "8"
-  - "6"
-  - "4"
+  - node
+  - lts/*

index.js

@@ -5,7 +5,6 @@ const rcodes = require('./rcodes')
 const opcodes = require('./opcodes')
 const classes = require('./classes')
 const ip = require('ip')
-const Buffer = require('safe-buffer').Buffer
 
 const QUERY_FLAG = 0
 const RESPONSE_FLAG = 1 << 15

package.json

@@ -7,14 +7,13 @@
   "repository": "mafintosh/dns-packet",
   "homepage": "https://github.com/mafintosh/dns-packet",
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "scripts": {
     "test": "eslint --color *.js && tape test.js"
   },
   "dependencies": {
-    "ip": "^1.1.5",
-    "safe-buffer": "^5.1.1"
+    "ip": "^1.1.5"
   },
   "devDependencies": {
     "eslint": "^4.19.1",

test.js

@@ -4,7 +4,6 @@ const tape = require('tape')
 const packet = require('./')
 const rcodes = require('./rcodes')
 const opcodes = require('./opcodes')
-const Buffer = require('safe-buffer').Buffer
 
 tape('unknown', function (t) {
   testEncoder(t, packet.unknown, Buffer.from('hello world'))
@@ -417,8 +416,8 @@ tape('nsec3', function (t) {
     algorithm: 1,
     flags: 0,
     iterations: 257,
-    salt: new Buffer([42, 42, 42]),
-    nextDomain: new Buffer([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]),
+    salt: Buffer.from([42, 42, 42]),
+    nextDomain: Buffer.from([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]),
     rrtypes: ['A', 'DNSKEY', 'CAA', 'DLV']
   })
   t.end()