openCountdown/logging.js

61 lines
1.7 KiB
JavaScript

const colors = require('colors');
const util = require('util')
const fs = require('fs');
let logToFileJson = false;
let logJournal = [];
function init(logToFile = false) {
logToFileJson = logToFile;
log("Logging initialized", "info", "Logging");
}
function close(){
if(logToFileJson){
const tempString = JSON.stringify(logJournal);
try {
fs.writeFileSync("log-journal.json", tempString);
} catch (error) {
log("Error while closing log file: " + error, "error", "Logging");
}
}
log("Saved log", "info", "Logging");
}
/**
* A simple logging function
* @param {String} message A messaged to be logged
* @param {String} level Loglevel, may either be warn, error, magic or info
* @param {String} module Kinda the source
*/
function log(message, level, module, ignore = false) {
if (level == undefined) {
level = "info";
}
if (module == undefined) {
module = "Unknown";
}
if(String(message) == "[object Object]"){
message = util.inspect(message, false, null, false);
}
const timestamp = new Date().toISOString().replace("T", " ").replace("Z", "");
var message = timestamp + " [" + String(level) + "] " + " [" + String(module) + "] " + String(message);
if (level == "warn") {
console.warn(message.yellow);
} else if (level == "error") {
console.error(message.red);
} else if (level == "magic") {
console.error(message.magenta);
} else if (level == "info") {
console.info(message.white);
} else {
console.log(message.gray);
}
if(logToFileJson && ignore == false){
jsonObject = {timestamp: timestamp, level: level, module: module, message: message};
logJournal.push(jsonObject);
}
}
module.exports = { log, init, close };