From 24e6a26bbb211d790131ab2e30edc4f4b5b314a7 Mon Sep 17 00:00:00 2001
From: Wes Todd <wes@wesleytodd.com>
Date: Sat, 31 Aug 2013 19:18:58 -0500
Subject: [PATCH] Added rainbow styling

---
 chalk.js | 17 +++++++++++++++++
 test.js  |  4 ++++
 2 files changed, 21 insertions(+)

diff --git a/chalk.js b/chalk.js
index 17c6dba..3fbb386 100644
--- a/chalk.js
+++ b/chalk.js
@@ -60,3 +60,20 @@ chalk.supportsColor = require('has-color');
 if (chalk.enabled === undefined) {
 	chalk.enabled = chalk.supportsColor;
 }
+
+// rainbow style
+var rainbowColors = [
+	chalk.red,
+	chalk.yellow,
+	chalk.green,
+	chalk.blue,
+	chalk.magenta
+];
+chalk.rainbow = function(str) {
+	var arStr = str.split(''),
+		out = '';
+	for (var i in arStr) {
+		out += rainbowColors[i % rainbowColors.length](arStr[i]);
+	}
+	return out;
+};
diff --git a/test.js b/test.js
index 93256e3..924a984 100644
--- a/test.js
+++ b/test.js
@@ -29,6 +29,10 @@ describe('chalk', function () {
 	it('should alias gray to grey', function () {
 		assert.equal(chalk.grey('foo'), '\x1b[90mfoo\x1b[39m');
 	});
+
+	it('should style a string in rainbow colors', function () {
+		assert.equal(chalk.rainbow('rygbmr g\tm\ny'), '\x1b[31mr\x1b[39m\x1b[33my\x1b[39m\x1b[32mg\x1b[39m\x1b[34mb\x1b[39m\x1b[35mm\x1b[39m\x1b[31mr\x1b[39m\x1b[33m \x1b[39m\x1b[32mg\x1b[39m\x1b[34m\t\x1b[39m\x1b[35mm\x1b[39m\x1b[31m\n\x1b[39m\x1b[33my\x1b[39m');
+	});
 });
 
 describe('chalk.enabled', function () {