Connect middleware to easily allow search engine, social medias (facebook, twitter…) to read your page.
It detects if it is a bot (facebook, twitter) or check the escaped_fragment parameter is present.
var crawlParser = require('crawl-parser');
/*
* Return all the corresponding meta tags
* Parameters:
* req: Express request
* options: {
* service: String -> Requester name (facebook, twitter …) or engine if unknown
* lang: String -> Locale (Only available with FB for now)
* }
*/
app.use(crawlParser(function(req, options, cb) {
return cb({
'title': 'Crawl parser example',
'description': '',
// Facebook
'og:url': '',
'og:title': '',
'og:description': '',
'og:image': '',
'fb:app_id': '',
// Twitter
'twitter:site': ''
});
}); (The MIT License)
Copyright (c) 2013 Maxime Mezrahi
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.