Require Node.js 8

Author: sindresorhus

index.js

@@ -20,7 +20,7 @@ module.exports = (helpMessage, options) => {
 		helpMessage = '';
 	}
 
-	options = Object.assign({
+	options = {
 		pkg: readPkgUp.sync({
 			cwd: parentDir,
 			normalize: false
@@ -32,8 +32,9 @@ module.exports = (helpMessage, options) => {
 		autoHelp: true,
 		autoVersion: true,
 		booleanDefault: false,
-		hardRejection: true
-	}, options);
+		hardRejection: true,
+		...options
+	};
 
 	if (options.hardRejection) {
 		hardRejection();
@@ -50,9 +51,10 @@ module.exports = (helpMessage, options) => {
 		options.flags
 	) : options.flags;
 
-	let minimistoptions = Object.assign({
-		arguments: options.input
-	}, minimistFlags);
+	let minimistoptions = {
+		arguments: options.input,
+		...minimistFlags
+	};
 
 	minimistoptions = decamelizeKeys(minimistoptions, '-', {exclude: ['stopEarly', '--']});
 
@@ -63,7 +65,10 @@ module.exports = (helpMessage, options) => {
 	minimistoptions = buildMinimistOptions(minimistoptions);
 
 	if (minimistoptions['--']) {
-		minimistoptions.configuration = Object.assign({}, minimistoptions.configuration, {'populate--': true});
+		minimistoptions.configuration = {
+			...minimistoptions.configuration,
+			'populate--': true
+		};
 	}
 
 	const {pkg} = options;

package.json

@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=6"
+		"node": ">=8"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -38,19 +38,19 @@
 		"console"
 	],
 	"dependencies": {
-		"camelcase-keys": "^4.0.0",
+		"camelcase-keys": "^5.0.0",
 		"decamelize-keys": "^1.0.0",
 		"hard-rejection": "^1.0.0",
 		"minimist-options": "^3.0.1",
 		"normalize-package-data": "^2.3.4",
-		"read-pkg-up": "^3.0.0",
+		"read-pkg-up": "^4.0.0",
 		"redent": "^2.0.0",
 		"trim-newlines": "^2.0.0",
-		"yargs-parser": "^10.0.0"
+		"yargs-parser": "^11.0.0"
 	},
 	"devDependencies": {
 		"ava": "^0.25.0",
-		"execa": "^0.10.0",
+		"execa": "^1.0.0",
 		"indent-string": "^3.0.0",
 		"xo": "^0.23.0"
 	},