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express-metatag

ExpressJS meta tags injection middleware

express-metatag

ExpressJS metatag injection middleware

Middleware that injects metatags into your document

Installation

npm install --save express-metatag

Usage

var Meta = require('express-metatag');
var middleware =  Meta(name, ignorePrefix)({
	tag: 'a'
});
app.use(middleware);
/*
	You can also use with an array
	 middleware =  Meta(name, ignorePrefix)([{
		tag: 'a'
	}, {
		othertag: 'b'
	}]);

	or with a function
	
	middleware = Meta(name, ignorePrefix)(function(req, res, next){
		return {
			tag: req.params.myparam
		}
	});
*/

Examples

Inject Facebook opengraph tags:

var OG = require('express-metatag')('og')
app.use(OG([{
	title: 'Hello World',
	description: 'Amazing module'
}]));

Result:

<head>
	...
	<meta property="og:title" content="Hello World">
	<meta property="og:decription" content="Amazing module">
</head>

Inject other tags:

var ML = require('express-metatag')('tags', true)
app.use(ML([{
	'twitter:title': 'Hello World',
	'twitter:description': 'Amazing module'
}, {
	'og:title': 'Hello World',
	'og:description' : 'Amazing module'
}]));

Result:

<head>
	<meta property="twitter:title" content="Hello World">
	<meta property="twitter:description" content="Amazing module">
	<meta property="og:title" content="Hello World">
	<meta property="og:description" content="Amazing module">
</head>