🦒 Beautiful Logger for Node.js

The best alternative to the console.log statement

🎁 Support: Donate

This project is free, open source and I try to provide excellent free support. Why donate? I work on this project several hours in my spare time and try to keep it up to date and working. THANK YOU!

📎 Menu

• 💡 Features
• 👔 Screenshot
• 🚀 How to use
• 📚 Documentation
• • 🧰 Options
• • 🔌 Methods
• • 🎨 Palette
• • 🤹‍♂️ LogRotate
• 👨‍💻 Contributing
• 🐛 Known Bugs
• 🍻 Community:
  • Discord (🇬🇧 English Channel | 🇮🇹 Italian Channel | 🇵🇱 Polish Channel)

💡 Features

• [✔️] Easy to use
• [✔️] MIT License
• [✔️] Palette (🎨 Customize colors)
• [✔️] Logrotate 🤹‍♂️
• [✔️] Typescript support
• [✔️] The best alternative to the console.log statement
• [✔️] Write stdout logs to file (supported format: text/log and json)
• [✔️] The JSON logs format is compatible with pinojs
• [✔️] Translations: 🇬🇧 🇮🇹 🇵🇱 🇪🇸 🇵🇹 🇷🇺 🇩🇪 🇫🇷 (Help me ❤️)

👔 Screenshot

🚀 Installation

1. In your node project run: npm install @ptkdev/logger --save
2. Usage:

const Logger = require("@ptkdev/logger");
const logger = new Logger();
logger.info("message");

You can set options to new Logger(options); example:

const Logger = require("@ptkdev/logger");

const options = {
	language: "en",
	colors: true,
	debug: true,
	info: true,
	warning: true,
	error: true,
	sponsor: true,
	write: true,
	type: "log",
	rotate: {
		size: "10M",
		encoding: "utf8",
	},
	path: {
		// remember: add string *.log to .gitignore
		debug_log: "./debug.log",
		error_log: "./errors.log",
	},
};

const logger = new Logger(options);
logger.info("message");

See folder examples, run with node example.js. Below is available a description of options values.

🧰 Options

Parameter	Description	Values	Default value	Available since
language	Set language of log type	en / it / pl / es / pt / de / ru / fr	en	v1.0.0
colors	Enable colors in terminal	true / enabled / false / disabled	true	v1.0.0
debug	Enable all logs with method debug	true / enabled / false / disabled	true	v1.0.0
info	Enable all logs with method info	true / enabled / false / disabled	true	v1.0.0
warning	Enable all logs with method warning	true / enabled / false / disabled	true	v1.0.0
error	Enable all logs with method errors	true / enabled / false / disabled	true	v1.0.0
sponsor	Enable all logs with method sponsor	true / enabled / false / disabled	true	v1.0.0
write	Write the logs into a file, you need set path values	true / enabled / false / disabled	false	v1.0.0
type	Format of logs in files	log / json	log	v1.0.0
rotate	Rotates the log files when size exceeds this value	10B / 10K / 10M / 10G	"rotate": {"size": "10M"}	v1.5.0
palette	Change palette with hexcode colors	Object	default palette	v1.5.0
path	If write is true, the library writes the logs to a path	Object	{"debug_log": "./debug.log", "error_log": "./errors.log"}	v1.0.0

🔌 Methods

Method	Description	Parameters
debug(message, tag)	message: Display debug log message tag: prefix of message	message: string (mandatory) tag: string (optional)
info(message, tag)	message: Display info log message tag: prefix of message	message: string (mandatory) tag: string (optional)
warning(message, tag)	message: Display warning log message tag: prefix of message	message: string (mandatory) tag: string (optional)
error(message, tag)	message: Display errors log message tag: prefix of message	message: string (mandatory) tag: string (optional)
sponsor(message, tag)	message: Display sponsor log message tag: prefix of message	message: string (mandatory) tag: string (optional)
stackoverflow(message, tag, error_string)	message: Display stackoverflow log message tag: prefix of message error_string: query for stackoverflow, if empty we use message param	message: string (mandatory) tag: string (optional) error_string: string (optional)
docs(message, url, tag)	message: Display docs log message url: link of documentation tag: prefix of message	message: string (mandatory) url: string (optional) tag: string (optional)

🎨 Palette

You can customize palette colors with Object palette and with hexcode values.

• label is text on left (INFORMATION / ERROR / DOCS, etc..)
• text is message of log on right
• background is background color on left side

{
	...
	"palette": {
		"info": { // method name
			"label": "#ffffff", // label on left
			"text": "#4CAF50",  // log message
			"background": "#4CAF50" // background
		},
		"warning": {
			"label": "#ffffff",
			"text": "#FF9800",
			"background": "#FF9800"
		},
		"error": {
			"label": "#ffffff",
			"text": "#FF5252",
			"background": "#FF5252"
		},
		"stackoverflow": {
			"label": "#ffffff",
			"text": "#9C27B0",
			"background": "#9C27B0"
		},
		"docs": {
			"label": "#ffffff",
			"text": "#FF4081",
			"background": "#FF4081"
		},
		"debug": {
			"label": "#ffffff",
			"text": "#1976D2",
			"background": "#1976D2"
		},
		"sponsor": {
			"label": "#ffffff",
			"text": "#607D8B",
			"background": "#607D8B"
		},
		"time": {
			"label": "#ffffff",
			"background": "#795548"
		}
	}
	...
}

See folder examples, run with node example.js.

🤹‍♂️ LogRotate

Rotates the file when size exceeds 10 megabytes (optional, default 10M - values: 10B (byte) / 10K (kilobyte)/ 10M (megabyte)/ 10G (gigabyte))

...
"rotate": {
	"size": "10M",
	"encoding": "utf8"
},
...

📚 Documentation

Run npm run docs

👑 Sponsors

Support this project by becoming a sponsor. 🙏 Become a sponsor on patreon or become top3 sponsor on ko-fi. Your logo will show up here with a link to your website.

🦄 Backers

Thank you to all our backers! 🙏 Become a backer on patreon.

👨‍💻 Contributing

I ❤️ contributions! I will happily accept your pull request! Translations, grammatical corrections (GrammarNazi you are welcome! Yes my English is bad, sorry), etc... Do not be afraid, if the code is not perfect we will work together 👯 and remember to insert your name in .all-contributorsrc and package.json file.

Thanks goes to these wonderful people (emoji key):

Patryk Rzucidło 💻 🌍 📖 🐛

Ilua Chubarov 💻

Bruno Kümmel 💻 🌍

Alina Osv 🌍

Sylvain Téchené 🌍

Giovanni Cardamone 💻

💰 In the future, if the donations allow it, I would like to share some of the success with those who helped me the most. For me open source is share of code, share development knowledges and share donations!

📲 Tools

🐍 Sorry for snake_case

I love snake_case syntax sorry for this 😭 don't hate me.

💫 License

• Code and Contributions have MIT License
• Images and logos have CC BY-NC 4.0 License (Freepik Premium License)
• Documentations and Translations have CC BY 4.0 License

Copyleft (c) 2020 Patryk Rzucidło (@PTKDev) <support@ptkdev.io>