express-metatag

ExpressJS meta tags injection middleware

Usage no npm install needed!

<script type="module">
  import expressMetatag from 'https://cdn.skypack.dev/express-metatag';
</script>

README

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>