npm install --save data-updater
var dataUpdater = require('data-updater');
var updater = dataUpdater.fromFile('path/to/data.json', 1000);
updater.on('error', function(err) {
// Runs if an error occurs to read the data file
});
updater.on('old', function() {
// Runs when data file was not updated since last attempt
});
updater.on('update', function(data) {
// Runs when data file was updated sice last attempt
});
update.on('first-update', function(err) {
// Runs after first update attempt, can be unsuccessful
});
update.on('first-successful-update', function() {
// Runs after first successful update attempt
});