Refactored.

lib/inline-css.js

@@ -0,0 +1,39 @@
+var cheerio = require('cheerio');
+var inlineUrl = require('./inline-css-url');
+var string = require('string');
+
+var prefix = 'element {';
+var suffix = '}';
+var wrap = function (value) {
+	return prefix + value + suffix;
+};
+var unwrap = function (value) {
+	var regexp = new RegExp('^' + prefix + '\\s*(.*)\\s+' + suffix + '$');
+	return value.replace(regexp, '$1');
+};
+var inline = function (html, filePath) {
+	var $ = cheerio.load(html);
+
+	// style elements
+	var styles = $('style');
+	styles.each(function (index, element) {
+		var css = $(element).html();
+		css = inlineUrl(css, filePath);
+		$(element).html(css);
+	});
+
+	// style attributes
+	var attributes = $('body *').filter('[style]');
+	attributes.each(function (index, element) {
+		var css = $(element).attr('style');
+		css = wrap(css);
+		css = inlineUrl(css, filePath);
+		css = string(css).collapseWhitespace().toString();
+		css = unwrap(css);
+		$(element).attr('style', css);
+	});
+
+	return $.html();
+};
+
+module.exports = inline;