statorio/watcher/main.js

const fs = require('fs');
var lynx = require('lynx');
var metrics = new lynx('localhost', 8125);


const filePath = '../../../script-output/stats.json';

processFileMetrics();

fs.watch(filePath, function(eventName, filename) {
	if (filename){
		setTimeout(
			() => processFileMetrics(),
			0
		);
	}
});

function processFileMetrics() {
	try {
		const file = fs.readFileSync(filePath);
console.log(JSON.parse(file));
/*		data = flattenObject({ 'factorio': JSON.parse(file) });

		for (const key in data) {
			metrics.gauge(key, data[key]);
		}
*/
	} catch (e) {}
}

function processData() {
}


// https://stackoverflow.com/a/53739792/4623317
function flattenObject(ob) {
    var toReturn = {};

    for (var i in ob) {
        if (!ob.hasOwnProperty(i)) continue;

        if ((typeof ob[i]) == 'object' && ob[i] !== null) {
            var flatObject = flattenObject(ob[i]);
            for (var x in flatObject) {
                if (!flatObject.hasOwnProperty(x)) continue;

                toReturn[i + '.' + x] = flatObject[x];
            }
        } else {
            toReturn[i] = ob[i];
        }
    }
    return toReturn;
}