update dependencies

.travis.yml

@@ -1,8 +1,9 @@
 language: node_js
 node_js:
-  - "6"
   - "8"
   - "10"
+  - "12"
+  - "13"
 sudo: false
 script: "npm run test-cov"
 after_script: "npm install coveralls@2 && cat ./coverage/lcov.info | coveralls"

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016-2019 thunks
+Copyright (c) 2016-2020 thunks
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -543,7 +543,7 @@ Use `--require` option:
 
 ### License
 T-man is licensed under the [MIT](https://github.com/thunks/tman/blob/master/LICENSE) license.
-Copyright © 2016-2019 thunks.
+Copyright © 2016-2020 thunks.
 
 [npm-url]: https://npmjs.org/package/tman
 [npm-image]: http://img.shields.io/npm/v/tman.svg

bin/options.js

@@ -4,11 +4,11 @@
 const fs = require('fs')
 
 module.exports = function () {
-  let optsPath = process.argv.indexOf('--opts') !== -1
+  const optsPath = process.argv.indexOf('--opts') !== -1
     ? process.argv[process.argv.indexOf('--opts') + 1] : 'test/tman.opts'
 
   try {
-    let opts = fs.readFileSync(optsPath, 'utf8')
+    const opts = fs.readFileSync(optsPath, 'utf8')
       .replace(/\\\s/g, '%20')
       .split(/\s/)
       .filter(Boolean)