is-reachable

is-reachable

Check if servers are reachable

Works in Node.js and the browser (with browserify).

Install

$ npm install --save is-reachable

Usage

var isReachable = require('is-reachable');

isReachable('sindresorhus.com', function (err, reachable) {
	console.log(reachable);
	//=> true
});

isReachable('google.com:80', function (err, reachable) {
	console.log(reachable);
	//=> true
});

Node.js API

isReachable(hosts, callback)

hosts

Type: string, array

One or more hosts to check.

callback(error, reachable)

Type: function

error is there only by Node.js convention and is always null.

reachable

Type: boolean

Is true if any of the hosts are reachable.

Browser API

Same as above except the callback doesn't have an error parameter.

Contributors

• silverwind

Related

• is-online - Check if the internet connection is up

License

MIT © Sindre Sorhus