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jalin-log-writer

v0.0.12

Published

custom logger that outputs readable and informative log messages

Downloads

801

Readme

Jalin Log Writer

Jalin Log Writer adalah sebuah package untuk mencatat log yang mudah digunakan dalam proyek Node.js. Package ini memungkinkan dalam mencatat informasi, peringatan, dan kesalahan dengan format yang jelas dan mudah dibaca.

Fitur

  • Level log: Mendukung beberapa level log seperti info, warn, error, debug, http_request dan http_response.
  • Tulis log ke file: Mendukung pencatatan log ke dalam file jika diperlukan.
  • Warna untuk output terminal: Meningkatkan keterbacaan dengan menambahkan warna pada output log di terminal.

Instalasi

Untuk menggunakan Jalin Log Writer, Anda perlu menginstalnya melalui npm:

npm install jalin-log-writer@latest

Implementasi

Inisiasi

const JalinLogWriter = require("jalin-log-writer");

Log Level Standard

Log level standard merupakan log dengan level error, warn, info, debug.

Berikut salah satu contoh implementasi penggunaan log dengan standard level dalam Javascript :

// menampilkan informasi log dengan level error
JalinLogWriter.error(message, traceId);

// menampilkan informasi log dengan level info
JalinLogWriter.info(message, traceId);

// menampilkan informasi log dengan level warn
JalinLogWriter.warn(message, traceId);

// menampilkan informasi log dengan level debug
JalinLogWriter.debug(message, traceId);

// atau bisa ditulis tanpa trace id
JalinLogWriter.error(message);
JalinLogWriter.info(message);
JalinLogWriter.warn(message);
JalinLogWriter.debug(message);

NOTE : apabila tanpa menyertakan traceId, maka traceId akan digenerate otomatis oleh system.

Log Level Non-Standard

Untuk dapat mencatat log yang diperoleh oleh http request maupun http response, dibutuhkan log dengan format kostumisasi :

JalinLogWriter.http_request(message, traceId, url, httpMethod, headers, body, direction);
JalinLogWriter.http_response(message, traceId, url, httpStatus, headers, body,direction);

Log File Location

Log dicatat secara harian dan disimpan dalam folder appsLogs dalam root project