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feat: allow options to be configured #6

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feat: allow options to be configured #6

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14 changes: 10 additions & 4 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,18 +3,24 @@ var once = require('once')

/**
* Detect if the network is up (do we have connectivity?)
* @param {(error: boolean)=>void} cb Callback to execute once we know if we have connectivity or not
* @param {Object} options Optional options
* @param {number} options.port Port to connect to. Default: 80.
* @param {string} options.host Host to connect to. Default: nodejs.org
* @param {string} options.timeout The timeout to check in ms. Default: 5000
*
* @return {boolean}
*/
module.exports = function (cb) {
module.exports = function (cb, options = undefined) {
var socket = net.connect({
port: 80,
host: 'nodejs.org'
port: options?.port || 80,
host: options?.host || 'nodejs.org'
})

// If no 'error' or 'connect' event after 5s, assume network is down
var timer = setTimeout(function () {
done(new Error('timeout'))
}, 5000)
}, options?.timeout || 5000)

var done = once(function (err) {
clearTimeout(timer)
Expand Down