Overview:

Rollbar.js is a powerful tool for monitoring and managing errors in both server-side and client-side Javascript applications. It offers features like telemetry, automatic error grouping, advanced search, customizable notifications, and cross-platform support for various Javascript frameworks.

Features:

• Cross platform: Supports server-side and client-side Javascript, including frameworks like React, Angular, Express, Next.js, and more.
• Telemetry: Provides a list of “breadcrumbs” events to help developers understand and fix problems in client-side Javascript.
• Automatic error grouping: Aggregates occurrences caused by the same error into items representing application issues.
• Advanced search: Filter items by various properties.
• Customizable notifications: Supports messaging and incident management tools for real-time alerts on errors and important events.

Installation:

1. Sign up for a Rollbar account.
2. For client-side Javascript, follow the Browser Quick Start instructions. For Node.js, follow the Server Quick Start instructions.
3. For development environment setup:
   • Ensure you have Node.js and npm installed.
   • Run npm install -D to install dependencies.
   • Run make test to execute tests.

Summary:

Rollbar.js is a comprehensive solution for monitoring and managing errors in Javascript applications, offering features like telemetry, automatic error grouping, advanced search, and customizable notifications. It supports various Javascript frameworks and provides cross-platform support. By following the setup instructions and leveraging the provided tools, developers can enhance the quality and reliability of their applications with Rollbar.js.