Require Node.js 8

Author: kevva

.gitattributes

@@ -1,2 +1 @@
-* text=auto
-*.js text eol=lf
+* text=auto eol=lf

.travis.yml

@@ -1,7 +1,5 @@
 language: node_js
 node_js:
+  - '12'
+  - '10'
   - '8'
-  - '6'
-  - '4'
-  - '0.12'
-  - '0.10'

index.js

@@ -1,20 +1,19 @@
 'use strict';
-var shebangRegex = require('shebang-regex');
+const shebangRegex = require('shebang-regex');
 
-module.exports = function (str) {
-	var match = str.match(shebangRegex);
+module.exports = (string = '') => {
+	const match = string.match(shebangRegex);
 
 	if (!match) {
 		return null;
 	}
 
-	var arr = match[0].replace(/#! ?/, '').split(' ');
-	var bin = arr[0].split('/').pop();
-	var arg = arr[1];
+	const [path, argument] = match[0].replace(/#! ?/, '').split(' ');
+	const binary = path.split('/').pop();
 
-	return (
-		bin === 'env' ?
-		arg :
-		bin + (arg ? ' ' + arg : '')
-	);
+	if (binary === 'env') {
+		return argument;
+	}
+
+	return argument ? `${binary} ${argument}` : binary;
 };

package.json

@@ -10,7 +10,7 @@
 		"url": "github.com/kevva"
 	},
 	"engines": {
-		"node": ">=0.10.0"
+		"node": ">=8"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -25,13 +25,10 @@
 		"shebang"
 	],
 	"dependencies": {
-		"shebang-regex": "^1.0.0"
+		"shebang-regex": "^3.0.0"
 	},
 	"devDependencies": {
-		"ava": "^0.17.0",
-		"xo": "^0.16.0"
-	},
-	"xo": {
-		"esnext": false
+		"ava": "^2.3.0",
+		"xo": "^0.24.0"
 	}
 }

readme.md

@@ -32,8 +32,3 @@ shebangCommand('#!/bin/bash');
 Type: `string`
 
 String containing a shebang.
-
-
-## License
-
-MIT © [Kevin Mårtensson](https://github.com/kevva)

test.js

@@ -1,12 +1,13 @@
 import test from 'ava';
-import fn from './';
+import shebangCommand from '.';
 
-test(t => {
-	t.is(fn('#!/usr/bin/env node'), 'node');
-	t.is(fn('#!/bin/bash'), 'bash');
-	t.is(fn('#!/bin/bash -ex'), 'bash -ex');
-	t.is(fn('#! /bin/bash'), 'bash');
-	t.is(fn('#! /bin/bash -ex'), 'bash -ex');
-	t.is(fn('#!/sh'), 'sh');
-	t.is(fn('node'), null);
+test('main', t => {
+	t.is(shebangCommand('#!/usr/bin/env node'), 'node');
+	t.is(shebangCommand('#!/bin/bash'), 'bash');
+	t.is(shebangCommand('#!/bin/bash -ex'), 'bash -ex');
+	t.is(shebangCommand('#! /bin/bash'), 'bash');
+	t.is(shebangCommand('#! /bin/bash -ex'), 'bash -ex');
+	t.is(shebangCommand('#!/sh'), 'sh');
+	t.is(shebangCommand('node'), null);
+	t.is(shebangCommand(), null);
 });