data-updater

Install

npm install --save data-updater

Use

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
});