hsconsole/index.ts

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2023-08-14 17:05:12 +01:00
import * as dyetty from "dyetty";
import { createWriteStream, mkdirSync, existsSync, renameSync } from "fs";
console.clear();
enum LogType {
INFO,
WARN,
ERROR
}
enum LogTag {
INFO,
WARN,
ERROR
}
const LogTags = [
dyetty.bgGreen(dyetty.black(" INFO ")),
dyetty.bgYellow(dyetty.black(" WARN ")),
dyetty.bgRed(" ERRR ")
] as const;
const TagsForFile = [
"[INFO]",
"[WARN]",
"[ERROR]"
] as const;
function zeroPad(i:number) : string {
if (i <= 9) return `0${i}`;
else return i.toString();
}
function getTime() : string {
const time = new Date();
return `[${zeroPad(time.getHours())}:${zeroPad(time.getMinutes())}:${zeroPad(time.getSeconds())}]`;
}
let queuedForLog = "";
function log(tag:LogTag, log:string, logType:LogType) : void {
const stringTime = getTime(),
fileTag = TagsForFile[tag],
consoleTag = LogTags[tag];
queuedForLog += `${stringTime} ${fileTag} ${log}\n`;
switch (logType) {
case LogType.INFO:
return console.log(`${dyetty.green(stringTime)} ${consoleTag} ${log}`);
case LogType.WARN:
return console.warn(`${dyetty.green(stringTime)} ${consoleTag} ${log}`);
case LogType.ERROR:
return console.error(`${dyetty.green(stringTime)} ${consoleTag} ${log}`);
}
}
if (!existsSync("./logs")) {
mkdirSync("./logs/");
}
function flushLogQueueToDisk() {
if (queuedForLog.length !== 0) {
const strRef = queuedForLog;
queuedForLog = "";
logFileWriteStream.write(strRef);
}
}
// Open write stream to log file
const logFileWriteStream = createWriteStream("./logs/latest.log");
let flushTimer:NodeJS.Timeout = setInterval(flushLogQueueToDisk, 5000);
const startTime = new Date();
let cleaningUp = false;
export abstract class Console {
public static customHeader(s:string) : void {
const headerLines = s.replaceAll("\r", "").split("\n");
if (headerLines.length === 0) {
return;
}
let textToLog = "";
for (const line of headerLines) {
textToLog += `# ${line}`;
}
queuedForLog += `${textToLog}\n`;
}
public static flushInterval(i:number) {
clearInterval(flushTimer);
flushTimer = setInterval(flushLogQueueToDisk, i);
}
public static cleanup() {
if (cleaningUp) {
return;
}
cleaningUp = true;
clearInterval(flushTimer);
flushLogQueueToDisk();
logFileWriteStream.close();
renameSync("./logs/latest.log", `./logs/${zeroPad(startTime.getFullYear())}-${zeroPad(startTime.getMonth())}-${zeroPad(startTime.getDate())}_${zeroPad(startTime.getHours())}-${zeroPad(startTime.getMinutes())}-${zeroPad(startTime.getSeconds())}.log`);
}
public static printInfo(s:string) : void {
log(LogTag.INFO, s, LogType.INFO);
}
public static printWarn(s:string) : void {
log(LogTag.WARN, s, LogType.WARN);
}
public static printError(s:string) : void {
log(LogTag.ERROR, s, LogType.ERROR);
}
}