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/*!
* Express - Contrib - messages
* Copyright(c) 2010 TJ Holowaychuk <tj@vision-media.ca>
* MIT Licensed
*/
module.exports = function (req, res) {
return function (template, locals) {
var flash = req.flash()
, types = Object.keys(flash)
, output = '';
if (types.length) {
if (template) {
locals = locals || {};
locals.messages = flash;
res.render(template, locals, function (err, html) {
if (html) {
output = html;
}
});
} else {
var buf = [];
buf.push('<div id="messages">');
types.forEach(function (type) {
var msgs = flash[type];
if (msgs) {
buf.push(' <ul class="' + type + '">');
msgs.forEach(function (msg) {
buf.push(' <li>' + msg + '</li>');
});
buf.push(' </ul>');
}
});
buf.push('</div>');
output = buf.join('\n');
}
}
return output;
};
};