From 90bd6477d6d3e2d31dee9b2ee3e721026521bd47 Mon Sep 17 00:00:00 2001
From: Sindre Sorhus <sindresorhus@gmail.com>
Date: Tue, 24 Jun 2014 21:34:11 +0200
Subject: [PATCH] add `.hasColor()` method - fixes #23

---
 index.js     | 2 ++
 package.json | 3 ++-
 readme.md    | 4 ++++
 test.js      | 7 +++++++
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 9854660..057ac62 100644
--- a/index.js
+++ b/index.js
@@ -2,6 +2,7 @@
 var escapeStringRegexp = require('escape-string-regexp');
 var ansiStyles = require('ansi-styles');
 var stripAnsi = require('strip-ansi');
+var hasAnsi = require('has-ansi');
 var supportsColor = require('supports-color');
 var defineProps = Object.defineProperties;
 var chalk = module.exports;
@@ -61,6 +62,7 @@ function init() {
 defineProps(chalk, init());
 
 chalk.styles = ansiStyles;
+chalk.hasColor = hasAnsi;
 chalk.stripColor = stripAnsi;
 chalk.supportsColor = supportsColor;
 
diff --git a/package.json b/package.json
index effe6e8..5a21291 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,8 @@
   "dependencies": {
     "ansi-styles": "^1.1.0",
     "escape-string-regexp": "^1.0.0",
-    "strip-ansi": "^0.2.0",
+    "has-ansi": "^0.1.0",
+    "strip-ansi": "^0.2.2",
     "supports-color": "^0.2.0"
   },
   "devDependencies": {
diff --git a/readme.md b/readme.md
index d28f99d..942ba51 100644
--- a/readme.md
+++ b/readme.md
@@ -109,6 +109,10 @@ console.log(chalk.styles.red);
 console.log(chalk.styles.red.open + 'Hello' + chalk.styles.red.close);
 ```
 
+### chalk.hasColor(string)
+
+Check whether a string [has color](https://github.com/sindresorhus/has-ansi).
+
 ### chalk.stripColor(string)
 
 [Strip color](https://github.com/sindresorhus/strip-ansi) from a string.
diff --git a/test.js b/test.js
index 8c3da0c..5d588d4 100644
--- a/test.js
+++ b/test.js
@@ -63,6 +63,13 @@ describe('chalk.styles', function () {
 	});
 });
 
+describe('chalk.hasColor()', function () {
+	it('should detect whether a string has color', function () {
+		assert(chalk.hasColor(chalk.blue('foo')));
+		assert(!chalk.hasColor(chalk.stripColor(chalk.blue('foo'))));
+	});
+});
+
 describe('chalk.stripColor()', function () {
 	it('should strip color from string', function () {
 		assert.equal(chalk.stripColor(chalk.underline.red.bgGreen('foo')), 'foo');