fix: zero-dependencies, add --output-path alias

Alias `--outputPath` to `--output-path`

README.md

@@ -27,35 +27,36 @@ Currently just reads from Istanbul's JSON summary reporter and downloads a badge
 
 1. Configure Jest (in `package.json`):
 
-    ```json
-    "jest": {
-      "coverageReporters": [
-        "json-summary"
-      ]
-    }
-    ```
+```json
+"jest": {
+  "coverageReporters": [
+    "json-summary"
+  ]
+}
+```
 
 2. Run `npm test -- --coverage`
 3. Run `make-coverage-badge`
 
 Resulting badge will be in `./coverage/badge.svg`.
 
 ## Options
-#### `make-coverage-badge --outputPath <path...>`
 
-Creates the svg at the specified path (relative to project root). Defaults to `./coverage/badge.svg`.
+### `--output-path <path>`
+
+Writes the coverage badge to the given path (relative to project root). Defaults to `./coverage/badge.svg`.
 
 ## Prior work
 
-* [Coveralls][]: paid for private repos
-* [coverage-badger][]: same approach, but using an XML report and therefore requires XML dependencies
+- [Coveralls][]: paid for private repos
+- [coverage-badger][]: same approach, but using an XML report and therefore requires XML dependencies
 
-[Coveralls]: https://coveralls.io/
+[coveralls]: https://coveralls.io/
 [coverage-badger]: https://github.com/notnotse/coverage-badger
 
 ## Author
 
-© 2017 Tom Vincent <[email protected]> (https://tlvince.com)
+© 2019 Tom Vincent <[email protected]> (https://tlvince.com)
 
 ## License
 

cli.js

@@ -2,7 +2,6 @@
 
 const { get } = require('https')
 const { readFile, writeFile } = require('fs')
-const commandLineArgs = require('command-line-args')
 
 const getColour = coverage => {
   if (coverage < 80) {
@@ -33,16 +32,8 @@ const download = (url, cb) => {
   }).on('error', err => cb(err))
 }
 
-// Parse command line arguments
-const argumentDefinitions = [
-  {
-    name: 'outputPath',
-    type: String,
-    defaultOption: true
-  }
-]
-const args = commandLineArgs(argumentDefinitions)
-const outputPath = args.outputPath || './coverage/badge.svg'
+const [, , thirdArg, fourthArg] = process.argv
+const outputPath = ((thirdArg === '--output-path' || thirdArg === '--outputPath') && fourthArg) ? fourthArg : './coverage/badge.svg'
 
 readFile('./coverage/coverage-summary.json', 'utf8', (err, res) => {
   if (err) throw err

package.json

@@ -26,9 +26,6 @@
     "url": "https://github.com/tlvince/make-coverage-badge/issues"
   },
   "homepage": "https://github.com/tlvince/make-coverage-badge#readme",
-  "dependencies": {
-    "command-line-args": "5.0.2"
-  },
   "devDependencies": {
     "husky": "1.3.1",
     "semantic-release": "15.13.3",