on{X} Send Location via Google Maps

gistfile1.js

var numbers = new Array("5035551234", "5035551235", "");
var messageText = "where?";

console.log('Started script: Send location to number using google maps');

//  Register callback on sms received event
device.messaging.on('smsReceived', function (sms) {
        
    //Allow using +1 or not +1 in phone number definition
    var sanitizedFrom = sms.data.from;
    if(sanitizedFrom.split("+1").length == 2){
        sanitizedFrom = sanitizedFrom.split("+1")[1];
    }
    
    if ( (numbers.indexOf(sanitizedFrom) != -1 || numbers.indexOf(sms.data.from) != -1)
        && sms.data.body.toLowerCase() === messageText.toLowerCase()) {
        // getting location from cell, which is accurate enough in this case, time interval is 100  milliseconds, to get immediate location sample
        var locListener = device.location.createListener('CELL', 100);
        locListener.on('changed', function (signal) {
            // stop listening to location changed events after getting the current location
            locListener.stop();

            var mapURL = 'http://maps.google.com/maps?z=12&t=m&q=loc:';
            mapURL += signal.location.latitude + "+" + signal.location.longitude;

            // sending text message  with the current location
            device.messaging.sendSms({
                    to: sms.data.from,
                    body: 'Hi, I am here: ' + mapURL
                },
                function (err) {
                    if (err) {
                        console.error('Error sending text message: ' + JSON.stringify(err));
                    }
                }
            );
        });
        locListener.start();
    }
});
console.log('Completed script: Send location to number using google maps');