Require Node.js 6

.gitattributes

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

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
+  - '10'
   - '8'
   - '6'
-  - '4'

index.js

@@ -3,6 +3,10 @@ const stringWidth = require('string-width');
 
 module.exports = input => {
 	let max = 0;
-	for (const s of input.split('\n')) max = Math.max(max, stringWidth(s));
+
+	for (const line of input.split('\n')) {
+		max = Math.max(max, stringWidth(line));
+	}
+
 	return max;
 };

package.json

@@ -1,54 +1,53 @@
 {
-  "name": "widest-line",
-  "version": "2.0.1",
-  "description": "Get the visual width of the widest line in a string - the number of columns required to display it",
-  "license": "MIT",
-  "repository": "sindresorhus/widest-line",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "sindresorhus@gmail.com",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=4"
-  },
-  "scripts": {
-    "test": "xo && ava"
-  },
-  "files": [
-    "index.js"
-  ],
-  "keywords": [
-    "string",
-    "str",
-    "character",
-    "char",
-    "unicode",
-    "width",
-    "visual",
-    "column",
-    "columns",
-    "fullwidth",
-    "full-width",
-    "full",
-    "ansi",
-    "escape",
-    "codes",
-    "cli",
-    "command-line",
-    "terminal",
-    "console",
-    "cjk",
-    "chinese",
-    "japanese",
-    "korean",
-    "fixed-width"
-  ],
-  "dependencies": {
-    "string-width": "^2.1.1"
-  },
-  "devDependencies": {
-    "ava": "*",
-    "xo": "*"
-  }
+	"name": "widest-line",
+	"version": "2.0.1",
+	"description": "Get the visual width of the widest line in a string - the number of columns required to display it",
+	"license": "MIT",
+	"repository": "sindresorhus/widest-line",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"string",
+		"character",
+		"char",
+		"unicode",
+		"width",
+		"visual",
+		"column",
+		"columns",
+		"fullwidth",
+		"full-width",
+		"full",
+		"ansi",
+		"escape",
+		"codes",
+		"cli",
+		"command-line",
+		"terminal",
+		"console",
+		"cjk",
+		"chinese",
+		"japanese",
+		"korean",
+		"fixed-width"
+	],
+	"dependencies": {
+		"string-width": "^2.1.1"
+	},
+	"devDependencies": {
+		"ava": "^0.25.0",
+		"xo": "^0.23.0"
+	}
 }

test.js

@@ -1,8 +1,8 @@
 import test from 'ava';
-import m from '.';
+import widestLine from '.';
 
-test(t => {
-	t.is(m('a'), 1);
-	t.is(m('a\nbe'), 2);
-	t.is(m('古\n\u001B[1m@\u001B[22m'), 2);
+test('main', t => {
+	t.is(widestLine('a'), 1);
+	t.is(widestLine('a\nbe'), 2);
+	t.is(widestLine('古\n\u001B[1m@\u001B[22m'), 2);
 });