Add configurable log levels

src/environment.d.ts

@@ -2,6 +2,7 @@ declare global {
   namespace NodeJS {
     interface ProcessEnv {
       PORT: string;
+      LOG_LEVEL: string;
     }
   }
 }

src/utils/logger.ts

@@ -4,32 +4,43 @@ export class Logger {
   private _wrn: string;
   private _err: string;
   private _main: string;
+  private _logLevel = +process.env.LOG_LEVEL || 1;
+  public name: string;
+  public isMainFunction: boolean;
 
   constructor(origin?: string) {
     this._wrn = chalk.yellow("[WARN] ");
     this._err = chalk.red("[ERROR] ");
+    this.name = origin ?? "Anonymous";
+    this.isMainFunction = this.name === "Main";
 
-    this._main = chalk.bold.gray(`[SRS | ${emp(origin ?? "Anonymous")}] `);
+    this._main = chalk.bold.gray(`[SRS | ${emp(this.name)}] `);
   }
 
   public log(text?: any, args?: any): void {
+    if (this.isMainFunction || this._logLevel === 0) {
       args
         ? console.log(this._main + text, args)
         : console.log(this._main + text);
     }
+  }
 
   public warn(text?: any, args?: any): void {
+    if (this._logLevel === 1) {
       args
         ? console.warn(this._main + this._wrn + text, args)
         : console.warn(this._main + this._wrn + text);
     }
+  }
 
   public error(text?: any, args?: any): void {
+    if (this._logLevel === 2) {
       args
         ? console.error(this._main + this._err + text, args)
         : console.error(this._main + this._err + text);
     }
   }
+}
 
 export const emp = chalk.green;
 export const wrn = chalk.yellow;