Refactor logger and error handling modules

Moved isTrueFromDotEnv to logger.js and updated its usage. Simplified logger import and instantiation across modules. Added errors.js for centralized error exports. Set default error code in DefaultError. Cleaned up unused imports in utils.js.

modules/logger.js

@@ -1,6 +1,5 @@
 const fs = require("node:fs")
 const path = require("node:path")
-const utils = require("./utils")
 require("colors")
 require("dotenv").config({
     quiet: true
@@ -41,7 +40,7 @@ function write($stream, level, color, content, extraLabels = []) {
 
 function createLogger(root) {
     // eslint-disable-next-line no-useless-escape
-    const fileName = utils.isTrueFromDotEnv("IS_PROD") ? new Date().toLocaleString("fr-FR", { timeZone: "UTC" }).replace(/[\/:]/g, "-").replace(/ /g, "_") : "DEV-LOG"
+    const fileName = isTrueFromDotEnv("IS_PROD") ? new Date().toLocaleString("fr-FR", { timeZone: "UTC" }).replace(/[\/:]/g, "-").replace(/ /g, "_") : "DEV-LOG"
 
     const logsDir = path.join(root, "logs")
 
@@ -84,6 +83,10 @@ function stripColors(string) {
     return string.replace(/\x1B\[[0-9;]*[mK]/g, "")
 }
 
+function isTrueFromDotEnv(key) {
+    return (process.env[key] || "").trim().toLowerCase() === "true"
+}
+
 const logger = createLogger(process.cwd())
 
 module.exports = logger

modules/utils.js

@@ -1,6 +1,4 @@
-const path = require("node:path")
-const Logger = require("./logger")
-const logger = Logger.createLogger(path.join(__dirname, ".."))
+const logger = require("./logger")
 
 function sendValidationError(req, res, zodResult, type, path, errorConfig) {
     const ip = req.headers["x-forwarded-for"] || req.socket.remoteAddress