/**
* Minify html string.
* @function lib.minify.minifyHtmlString
* @param {string} src - Source html string.
* @param {function} callback - Callback when done.
* @author Taka Okunishi
*
*/
module.exports = function (src, callback) {
var htmlMinifier = require('html-minifier');
var minified = htmlMinifier.minify(src, {
removeComments: true,
collapseWhitespace: true,
collapseBooleanAttributes:true,
removeEmptyAttributes:true,
});
callback(null, minified);
};