NodeLogging/out/index.js

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2017-08-23 14:45:03 +00:00
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const util = require("util");
const fs = require("fs");
const events_1 = require("events");
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const Reset = "\x1b[0m";
const Bright = "\x1b[1m";
const Dim = "\x1b[2m";
const Underscore = "\x1b[4m";
const Blink = "\x1b[5m";
const Reverse = "\x1b[7m";
const Hidden = "\x1b[8m";
const FgBlack = "\x1b[30m";
const FgRed = "\x1b[31m";
const FgGreen = "\x1b[32m";
const FgYellow = "\x1b[33m";
const FgBlue = "\x1b[34m";
const FgMagenta = "\x1b[35m";
const FgCyan = "\x1b[36m";
const FgWhite = "\x1b[37m";
const BgBlack = "\x1b[40m";
const BgRed = "\x1b[41m";
const BgGreen = "\x1b[42m";
const BgYellow = "\x1b[43m";
const BgBlue = "\x1b[44m";
const BgMagenta = "\x1b[45m";
const BgCyan = "\x1b[46m";
const BgWhite = "\x1b[47m";
class Logging {
static config(logfolder, stdout) {
this.logFileLocation = logfolder;
this.stdout = stdout;
}
static debug(...message) {
Logging.message(LoggingTypes.Debug, message);
}
static log(...message) {
Logging.message(LoggingTypes.Log, message);
}
static warning(...message) {
Logging.message(LoggingTypes.Log, message);
}
static error(error) {
if (typeof error === "string") {
Logging.errorMessage(error);
return;
}
let m = "";
error.stack.forEach(e => {
m += e.toString() + "\n";
});
var message = error.name + " " + error.message + "\n" + m;
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Logging.message(LoggingTypes.Error, [message]);
}
static errorMessage(...message) {
Logging.message(LoggingTypes.Error, message);
}
static async message(type, message) {
var consoleLogFormat = Reset;
switch (type) {
case LoggingTypes.Log:
//m += FgWhite + BgBlack;
break;
case LoggingTypes.Error:
consoleLogFormat += FgRed; //FgWhite + BgRed + FgWhite;
break;
case LoggingTypes.Debug:
consoleLogFormat += FgCyan;
break;
case LoggingTypes.Warning:
consoleLogFormat += FgYellow;
break;
}
var mb = "";
if (typeof message === "string") {
mb = message;
}
else {
message.forEach(e => {
if (typeof e !== "string")
e = util.inspect(e, false, null);
if (e.endsWith("\n")) {
mb += e;
}
else {
mb += e + " ";
}
});
}
var m = "[" + LoggingTypes[type] + "][" + _getCallerFile() + "][" + new Date().toISOString().replace(/T/, ' ').replace(/\..+/, '') + "]: " + mb;
if (this.logFileLocation) {
if (!this.fileStream || !this.errorStream) {
await Logging.initializeFile();
}
Logging.writeMessageToFile(m, type === LoggingTypes.Error);
}
Logging.events.emit("message", { type: type, message: mb });
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if (this.stdout)
console.log(consoleLogFormat + m + Reset);
}
static writeMessageToFile(message, error) {
Logging.queue.push({ message: message, error: error });
Logging.checkQueue();
}
static checkQueue() {
if (Logging.writing)
return;
if (Logging.queue.length <= 0)
return;
Logging.writing = true;
var message = Logging.queue[0];
Logging.fileStream.write(message.message + "\n", () => {
if (message.error) {
Logging.errorStream.write(message.message + "\n", () => {
Logging.queue.splice(Logging.queue.indexOf(message), 1);
Logging.writing = false;
Logging.checkQueue();
});
}
else {
Logging.queue.splice(Logging.queue.indexOf(message), 1);
Logging.writing = false;
Logging.checkQueue();
}
});
}
static async initializeFile() {
if (this.fileStream && this.errorStream)
return;
if (!this.logFileLocation)
return;
try {
var exists = util.promisify(fs.exists);
await new Promise((resolve, reject) => {
fs.exists(this.logFileLocation, (exists) => {
if (!exists) {
fs.mkdir(this.logFileLocation, (err) => {
if (err) {
reject(err);
}
else {
resolve();
}
});
}
else
resolve();
});
});
Logging.fileStream = fs.createWriteStream(this.logFileLocation + "all.log", { flags: "a" });
Logging.fileStream.write("\n\n");
Logging.errorStream = fs.createWriteStream(this.logFileLocation + "error.log", { flags: "a" });
Logging.errorStream.write("\n\n");
}
catch (e) {
console.log(e);
}
}
}
Logging.logFileLocation = "./logs/";
Logging.stdout = true;
Logging.writing = false;
Logging.queue = new Array();
Logging.events = new events_1.EventEmitter();
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exports.Logging = Logging;
function _getCallerFile() {
try {
var err = new Error();
var callerfile;
var currentfile;
Error.prepareStackTrace = function (err, stack) { return stack; };
currentfile = err.stack.shift().getFileName();
while (err.stack.length) {
callerfile = err.stack.shift().getFileName();
if (currentfile !== callerfile)
return callerfile;
}
}
catch (err) { }
return undefined;
}
var LoggingTypes;
(function (LoggingTypes) {
LoggingTypes[LoggingTypes["Log"] = 0] = "Log";
LoggingTypes[LoggingTypes["Warning"] = 1] = "Warning";
LoggingTypes[LoggingTypes["Error"] = 2] = "Error";
LoggingTypes[LoggingTypes["Debug"] = 3] = "Debug";
})(LoggingTypes = exports.LoggingTypes || (exports.LoggingTypes = {}));
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