automatically insert current year

package.json

@@ -73,6 +73,7 @@
   },
   "dependencies": {
     "chalk": "^1.1.3",
+    "deep-assign": "^2.0.0",
     "fullname": "^3.1.0",
     "lodash": "^4.17.2",
     "meow": "^3.7.0",

src/lissie.js

@@ -1,19 +1,24 @@
 import { readFile, readdir } from 'fs'
 import path from 'path'
 import pify from 'pify'
+import assign from 'deep-assign'
 
 const normalize = text => text.trim().toLowerCase().replace(' ', '-')
 
 export const list = () => pify(readdir)('licenses')
 
 export default (license = 'mit', options = {}) => {
+  const defaults = {
+    year: new Date().getFullYear()
+  }
+  const opts = assign({}, defaults, options)
   return pify(readFile)(
     path.join(__dirname, '..', 'licenses', normalize(license)),
     { encoding: 'utf8' }
   )
   .then(text => text.replace(
     /\{year\}|\{author\}|\{project\}|\{email\}/gi,
-    matched => options[matched.replace(/\{|\}/gi, '')] || matched
+    matched => opts[matched.replace(/\{|\}/gi, '')] || matched
   ))
   .catch(({ code }) => {
     if (code === 'ENOENT') {

src/lissie.test.js

@@ -1,29 +1,31 @@
-import fs from 'fs'
-import path from 'path'
-import pify from 'pify'
 import test from 'ava'
 import { take } from 'lodash'
 import { stripIndent } from 'common-tags'
 import license from './lissie'
 
+const head = x => take(x.split('\n'), 3).join('\n')
+
 test('returns license text', async t => {
-  const expected = await pify(fs).readFile(path.join('licenses', 'mit'), { encoding: 'utf8' })
-  t.is(await license(), expected)
-  t.is(await license('mit'), expected)
+  const expected = stripIndent`
+  The MIT License (MIT)
+
+  Copyright (c) 2016 {author}
+`
+  t.is(head(await license()), expected)
+  t.is(head(await license('mit')), expected)
 })
 
 test('pass options', async t => {
   const mit = await license('mit', {
-    year: 2016,
+    year: 2015,
     author: 'Zach Orlovsky'
   })
   const expected = stripIndent`
   The MIT License (MIT)
 
-  Copyright (c) 2016 Zach Orlovsky
+  Copyright (c) 2015 Zach Orlovsky
 `
-  const head = take(mit.split('\n'), 3).join('\n')
-  t.is(head, expected)
+  t.is(head(mit), expected)
 })
 
 test('normalize input', async t => {

yarn.lock

@@ -1371,6 +1371,12 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
+deep-assign@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/deep-assign/-/deep-assign-2.0.0.tgz#ebe06b1f07f08dae597620e3dd1622f371a1c572"
+  dependencies:
+    is-obj "^1.0.0"
+
 deep-equal@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"