Head-to-Head: Nightmare vs Slimerjs Analysis

nightmare

v3.0.2(about 5 years ago)

This package is deprecated. Consider finding alternatives.Types definitions are provided via a separate npm package: @types/nightmareNumber of direct dependencies: 14Monthly npm downloads

Nightmare is a high-level browser automation library for Node.js, built on top of Electron. It allows developers to automate interactions with web pages, such as clicking elements, filling forms, and scraping data. Nightmare provides a simple API for creating and running browser automation scripts, making it ideal for tasks like web scraping, testing, and UI automation.

Alternatives:
puppeteer+
playwright+
cypress+
webdriverio+
testcafe+
selenium-webdriver+
taiko+
casperjs+
zombie+
phantom+

Tags: node.jsbrowser automationweb scrapingtestingUI automation

slimerjs

v1.0.0(about 6 years ago)

This package was last published over a year ago. It may not be actively maintained.Types definitions are provided via a separate npm package: @types/slimerjsNumber of direct dependencies: 0Monthly npm downloads

SlimerJS is a scriptable browser for web development and testing purposes. It allows you to interact with web pages using JavaScript and provides a high-level API for tasks like taking screenshots, simulating user interactions, and running automated tests. SlimerJS is built on top of the Gecko engine used by Firefox, making it a powerful tool for web developers who need to test their applications in a browser environment.

Alternatives:
puppeteer+
playwright+
nightmare+
webdriverio+
cypress+
taiko+
selenium-webdriver+
testcafe+
protractor+
casperjs+

Tags: browser automationweb testingheadless browserGecko engineJavaScript API

Fight!

Popularity

Nightmare is more popular and widely used compared to SlimerJS. Nightmare has a larger community and more online resources available for support and troubleshooting.

Performance

Nightmare is built on Electron, which provides a Chromium-based environment, offering better performance and stability compared to SlimerJS, which is based on Gecko. In terms of speed and resource consumption, Nightmare generally outperforms SlimerJS.

Flexibility

Nightmare is more flexible and versatile in terms of automation capabilities. It allows for easier interaction with web pages and provides a more user-friendly API. SlimerJS, while powerful, may have a steeper learning curve and be less intuitive for some users.

Compatibility

Nightmare is compatible with multiple operating systems, including Windows, macOS, and Linux. SlimerJS, on the other hand, may have limitations in terms of OS compatibility and may require additional setup steps on certain platforms.

Documentation

Nightmare has more comprehensive and up-to-date documentation compared to SlimerJS. This makes it easier for developers to get started with Nightmare and find solutions to common issues.

Maintenance

Nightmare is actively maintained and regularly updated, ensuring compatibility with the latest web technologies and browser changes. SlimerJS, while still maintained, may not receive updates as frequently as Nightmare, potentially leading to compatibility issues in the long run.