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

@@ -13,7 +13,7 @@ const END_CODE = 39;
 const wrapAnsi = code => `${ESCAPES[0]}[${code}m`;
 
 module.exports = (str, begin, end) => {
-	const arr = Array.from(str.normalize());
+	const arr = [...str.normalize()];
 
 	end = typeof end === 'number' ? end : arr.length;
 
@@ -22,13 +22,10 @@ module.exports = (str, begin, end) => {
 	let visible = 0;
 	let output = '';
 
-	for (const item of arr.entries()) {
-		const i = item[0];
-		const x = item[1];
-
+	for (const [i, x] of arr.entries()) {
 		let leftEscape = false;
 
-		if (ESCAPES.indexOf(x) !== -1) {
+		if (ESCAPES.includes(x)) {
 			insideEscape = true;
 			const code = /\d[^m]*/.exec(str.slice(i, i + 4));
 			escapeCode = code === END_CODE ? null : code;

package.json

@@ -1,55 +1,51 @@
 {
-  "name": "slice-ansi",
-  "version": "1.0.0",
-  "description": "Slice a string with ANSI escape codes",
-  "license": "MIT",
-  "repository": "chalk/slice-ansi",
-  "author": {
-    "name": "David Caccavella",
-    "email": "threedeecee@gmail.com"
-  },
-  "engines": {
-    "node": ">=4"
-  },
-  "scripts": {
-    "test": "xo && ava"
-  },
-  "files": [
-    "index.js"
-  ],
-  "keywords": [
-    "slice",
-    "string",
-    "ansi",
-    "styles",
-    "color",
-    "colour",
-    "colors",
-    "terminal",
-    "console",
-    "cli",
-    "tty",
-    "escape",
-    "formatting",
-    "rgb",
-    "256",
-    "shell",
-    "xterm",
-    "log",
-    "logging",
-    "command-line",
-    "text"
-  ],
-  "dependencies": {
-    "ansi-styles": "^3.2.0",
-    "astral-regex": "^1.0.0",
-    "is-fullwidth-code-point": "^2.0.0"
-  },
-  "devDependencies": {
-    "ava": "*",
-    "chalk": "^2.0.1",
-    "random-item": "^1.0.0",
-    "strip-ansi": "^4.0.0",
-    "xo": "*"
-  }
+	"name": "slice-ansi",
+	"version": "1.0.0",
+	"description": "Slice a string with ANSI escape codes",
+	"license": "MIT",
+	"repository": "chalk/slice-ansi",
+	"engines": {
+		"node": ">=6"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js"
+	],
+	"keywords": [
+		"slice",
+		"string",
+		"ansi",
+		"styles",
+		"color",
+		"colour",
+		"colors",
+		"terminal",
+		"console",
+		"cli",
+		"tty",
+		"escape",
+		"formatting",
+		"rgb",
+		"256",
+		"shell",
+		"xterm",
+		"log",
+		"logging",
+		"command-line",
+		"text"
+	],
+	"dependencies": {
+		"ansi-styles": "^3.2.0",
+		"astral-regex": "^1.0.0",
+		"is-fullwidth-code-point": "^2.0.0"
+	},
+	"devDependencies": {
+		"ava": "*",
+		"chalk": "^2.0.1",
+		"random-item": "^1.0.0",
+		"strip-ansi": "^4.0.0",
+		"xo": "*"
+	}
 }