@koreanpanda/log-system
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A Custom Logger that can print to the console, however you like, and writes logs for you as well.
63 lines (60 loc) • 2.98 kB
JavaScript
/**
* @summary This is the LogLogger. This handles everything has to do with default logs.
* @author Cody Spratford
* @since 9/29/2020
*/
const chalk = require("chalk");
const moment = require("moment");
const {existsSync, writeFileSync, readFileSync, mkdirSync} = require("fs");
const path = require("path");
/**
* @class
* @classdesc This class handles all default log messages.
*/
module.exports = class LogLogger {
// The log message.
log;
// The Source.
source;
// The Pattern.
pattern;
// The color.
color;
// Time Pattern
timePattern;
constructor (log, pattern = "(<time>) [<source>] => <log>", source = "", color, timePattern) {
this.log = log;
this.source = source;
this.pattern = pattern;
this.color = color;
this.timePattern = timePattern;
}
/**
* This prints the default log messages to the console.
*/
printLog () {
let message = this.pattern.replace("<time>", moment().format(this.timePattern)).replace("<source>", this.source).replace("<source-short>", path.basename(this.source)).replace("<log>", this.log);
if(message.includes("<color>"))
return console.log(`${message.split("<color>")[0]}${this.color.background.startsWith("#") ? chalk[this.color.text].bgHex(this.color.background)(message.split("<color>")[1].split("</color>")[0]) : chalk[this.color.text][`bg${this.color.background}`](message.split("<color>")[1].split("</color>")[0])}${message.split("</color>")[1]}`);
return console.log(this.color.background.startsWith("#") ? chalk[this.color.text].bgHex(this.color.background)(message) : chalk[this.color.text][`bg${this.color.background}`](message));
}
/**
* This will write to the provided filepath.
* @param {string} filepath
*/
WriteLog (filepath) {
let message = this.pattern.replace("<time>", moment().format(this.timePattern)).replace("<source>", this.source).replace("<source-short>", path.basename(this.source)).replace("<log>", this.log);
if(!existsSync(filepath)) mkdirSync(filepath);
if (!existsSync(filepath + "/" + `${new Date(Date.now()).getDate()}.log`)) {
message = ` -------------------------------------
-----------------------------------------|LOG FILE OF ${moment().format()}|------------------------------------------------
-------------------------------------
${message}`;
writeFileSync( filepath+ "/" + `${new Date(Date.now()).getDate()}.log`, message, {flag: 'w'});
}
else {
let data = readFileSync(filepath+ "/" + `${new Date(Date.now()).getDate()}.log`, {encoding: 'UTF-8'});
writeFileSync(filepath+ "/" + `${new Date(Date.now()).getDate()}.log`, data + "\n" + message, {flag: 'w'});
}
}
}