js-dlogger/logger.ts

A lightweight and efficient logging utility for JavaScript applications. This package provides multiple logging functions such as info(), dLog(), warn(), debug and error(), displaying logs in the console along with the filename for better debugging and tr

let environment: string = 'development';
let config: any;

try {
  // Attempt to dynamically import the logger.config file
  // @ts-ignore
  config = require('../../logger.config')?.default;
} catch (error) {
  console.warn(
      'No environment config found, defaulting to "development".\n ' +
      'If using React Native, create a file "logger.config.js" in the root directory'
  );
}

// Checking if the global environment variable is set
if (globalThis.__APP_ENV__) {
  environment = globalThis.__APP_ENV__ as string; // Type assertion
} else if (config?.ENV) {
  environment = config.ENV;
}

console.log('Project Environment set to:', environment);

const isDev: boolean = (environment.toLowerCase() === "development");

interface Logger {
  info: (taq: string, indicator: string, message?: string) => void;
  debug: (taq: string, indicator: string, message?: string) => void;
  dLog: (taq: string, indicator: string, data?: any) => void;
  warn: (taq: string, indicator: string, message?: string) => void;
  error: (taq: string, indicator: string, message?: string) => void;
}

const Logger: Logger = {
  info: (taq: string, indicator: string, message: string = "UNIVERSAL") => {
    console.log(`\x1b[30m\x1b[42m[INFO][${taq}]\x1b[0m[${indicator}]`, message);
  },
  debug: (taq: string, indicator: string, message: string = "UNIVERSAL") => {
    if (isDev) {
      console.log(`\x1b[30m\x1b[44m[DEV][${taq}]\x1b[0m[${indicator}]`, message);
    }
  },
  dLog: (taq: string, indicator: string, data: any = " ") => {
    if (isDev) {
      console.log('\x1b[30m\x1b[43m---------------------------------\x1b[0m');
      console.log(`\x1b[30m\x1b[43m[DEV][${taq}]\x1b[0m[${indicator}]`);
      console.log(data);
      console.log('\x1b[30m\x1b[43m---------------------------------\x1b[0m');
    }
  },
  warn: (taq: string, indicator: string, message: string = "UNIVERSAL") => {
    console.warn(`\x1b[30m\x1b[43m[WARN]\x1b[0m\x1b[30m\x1b[43m[${taq}]\x1b[0m[${indicator}]`, message);
  },
  error: (taq: string, indicator: string, message: string = "UNIVERSAL") => {
    console.error(`\x1b[30m\x1b[41m[ERROR]\x1b[0m\x1b[30m\x1b[41m[${taq}]\x1b[0m[${indicator}]`, message);
  }
};

export default Logger;