From c0155688cf57edb6bee5b97dcc3548f47454e645 Mon Sep 17 00:00:00 2001
From: Josh Junon <josh@junon.me>
Date: Thu, 29 Jun 2017 16:00:51 -0700
Subject: [PATCH] add rainbow example

---
 examples/rainbow.js                  | 39 ++++++++++++++++++++++++++++
 example.js => examples/screenshot.js |  5 ++--
 2 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 examples/rainbow.js
 rename example.js => examples/screenshot.js (68%)

diff --git a/examples/rainbow.js b/examples/rainbow.js
new file mode 100644
index 0000000..c4ed456
--- /dev/null
+++ b/examples/rainbow.js
@@ -0,0 +1,39 @@
+const chalk = require('..');
+
+const ignoreChars = /[^!-~]/;
+
+function rainbow(str, offset) {
+	if (!str || str.length === 0) {
+		return str;
+	}
+
+	const hueStep = 360 / str.replace(ignoreChars, '').length;
+
+	let hue = offset % 360;
+	const chars = [];
+	for (const c of str) {
+		if (c.match(ignoreChars)) {
+			chars.push(c);
+		} else {
+			chars.push(chalk.hsl(hue, 100, 50)(c));
+			hue = (hue + hueStep) % 360;
+		}
+	}
+
+	return chars.join('');
+}
+
+function sleep(ms) {
+	return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+async function animateString(str) {
+	console.log();
+	for (let i = 0; i < 360*5; i++) {
+		console.log('\x1b[1F\x1b[G ', rainbow(str, i));
+		await sleep(2);
+	}
+}
+
+console.log();
+animateString('We hope you enjoy the new version of Chalk 2! <3').then(() => console.log());
diff --git a/example.js b/examples/screenshot.js
similarity index 68%
rename from example.js
rename to examples/screenshot.js
index e2bf751..7d195a6 100644
--- a/example.js
+++ b/examples/screenshot.js
@@ -1,8 +1,9 @@
 'use strict';
-const chalk = require('.');
+const chalk = require('..');
+const styles = require('ansi-styles');
 
 // Generates screenshot
-for (const key of Object.keys(chalk.styles)) {
+for (const key of Object.keys(styles)) {
 	let ret = key;
 
 	if (key === 'reset' || key === 'hidden' || key === 'grey') {