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electron-log
Advanced tools
The electron-log package is a logging library specifically designed for Electron applications. It allows you to log messages to various outputs such as the console, files, and remote servers. It is highly configurable and supports different log levels, making it a versatile tool for debugging and monitoring Electron apps.
Console Logging
Logs messages to the console. This is useful for debugging during development.
const log = require('electron-log');
log.info('Hello, console!');
File Logging
Logs messages to a file. This is useful for keeping a persistent log that can be reviewed later.
const log = require('electron-log');
log.transports.file.file = '/path/to/log.txt';
log.info('Hello, file!');
Remote Logging
Logs messages to a remote server. This is useful for centralized logging and monitoring.
const log = require('electron-log');
log.transports.remote.url = 'https://your-log-server.com/log';
log.info('Hello, remote server!');
Custom Transports
Allows you to define custom transports for logging. This is useful for extending the logging functionality to meet specific needs.
const log = require('electron-log');
log.transports.custom = (msg) => {
// Custom transport logic
console.log('Custom transport:', msg);
};
log.info('Hello, custom transport!');
Log Levels
Supports different log levels (error, warn, info, verbose, debug, silly). This is useful for controlling the verbosity of the logs.
const log = require('electron-log');
log.level = 'warn';
log.info('This will not be logged');
log.warn('This will be logged');
Winston is a versatile logging library for Node.js that supports multiple transports, log levels, and formats. It is highly configurable and can be used in a variety of applications, not just Electron.
Bunyan is a simple and fast JSON logging library for Node.js. It is designed for high-performance logging and supports various transports and log levels. It is particularly useful for applications that require structured logging.
Log4js is a logging library inspired by the Java log4j library. It supports multiple appenders (transports), log levels, and configurations. It is a mature and widely-used library in the Node.js ecosystem.
Just a very simple logging module for your Electron or NW.js application. No dependencies. No complicated configuration. Just require and use. Also it can be used without Electron.
By default it writes logs to the following locations:
~/.config/<app name>/log.log
~/Library/Logs/<app name>/log.log
%USERPROFILE%\AppData\Roaming\<app name>\log.log
Install with npm:
npm install electron-log
var log = require('electron-log');
log.info('Hello, log');
Transport is a simple function which requires an object which describes a message. By default, two transports are active: console and file. The file path is dependent on current platform.
log.transports.file = false;
log.transports.console = false;
log.transports.console = function(msg) {
console.log(`[${msg.date.toLocaleTimeString()} ${msg.level}] ${msg.text}`);
};
// Log level
log.transports.console.level = 'warn';
/**
* Set output format template. Available variables:
* Main: {level}, {text}
* Date: {y},{m},{d},{h},{i},{s},{ms}
*/
log.transports.console.format = '{h}:{i}:{s}:{ms} {text}';
// Set a function which formats output
log.transports.console.format = (msg) => msg.text;
// Same as for console transport
log.transports.file.level = 'warn';
log.transports.file.format = '{h}:{i}:{s}:{ms} {text}';
// Set maximum log size in bytes. When it exceeds, old log will be saved
// as log.old.log file
log.transports.file.maxSize = 5 * 1024 * 1024;
// Write to this file, must be set before first logging
log.transports.file.file = __dirname + '/log.txt';
// fs.createWriteStream options, must be set before first logging
log.transports.file.streamConfig = { flags: 'w' };
// set existed file stream
log.transports.file.stream = fs.createWriteStream('log.txt');
By default, file transport reads a productName or name property from package.json to
determine a log path like ~/.config/<app name>/log.log
.
If you have no package.json or you want to specify another ,
just set the appName property:
log.appName = 'test';
1.3.0
1.2.0
1.0.16
Licensed under MIT.
1.3.0
FAQs
Just a simple logging module for your Electron application
The npm package electron-log receives a total of 111,686 weekly downloads. As such, electron-log popularity was classified as popular.
We found that electron-log demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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