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JSLint vs SonarLint: What are the differences?

In this article, we will explore the key differences between JSLint and SonarLint. JSLint and SonarLint are tools used for static code analysis to identify and report issues in JavaScript code. Although they serve a similar purpose, there are significant differences between them.

  1. Integration with IDEs: JSLint is primarily integrated with IDEs like Sublime Text and Atom, while SonarLint is designed to integrate with various IDEs such as IntelliJ IDEA, Eclipse, and Visual Studio. SonarLint provides real-time feedback within the IDE as developers write code, making it more convenient for developers to fix issues immediately.

  2. Supported Rules: JSLint has a predefined set of rules enforced on the code, and developers do not have much flexibility to modify or customize these rules. On the other hand, SonarLint provides a wide range of customizable rules that can be tailored based on project requirements, allowing developers to have more control over the analysis process and the rules enforced.

  3. Scope of Analysis: JSLint focuses solely on JavaScript code and performs limited analysis for potential issues. It primarily checks for common mistakes, coding conventions, and formatting. SonarLint, on the other hand, not only supports JavaScript but also offers support for multiple programming languages such as Java, Python, C#, and more. It provides comprehensive analysis, including code smells, security vulnerabilities, and maintainability issues, making it a more versatile tool for multi-language projects.

  4. Learning Curve: JSLint has a simplistic and straightforward approach, with fewer options and configurations to worry about. It is relatively easier to set up and use, making it suitable for developers who prefer simplicity. SonarLint, however, has a steeper learning curve due to its extensive features, customizable rules, and deeper analysis capabilities. It may require time and effort to understand and configure all the options based on the project's needs.

  5. License and Cost: JSLint is an open-source tool and free to use for both personal and commercial projects. SonarLint, on the other hand, is a part of the SonarSource suite, which offers both free and commercial versions. The availability of additional features and support may vary based on the edition chosen, and some advanced features may require a paid license.

  6. Community Support: JSLint has been around for a long time and has a robust community supporting it. Developers can find extensive documentation, libraries, and forums to seek help and guidance. SonarLint also has an active community, but it may not be as extensive as JSLint due to its relatively newer entry in the market.

In summary, JSLint and SonarLint differ in terms of IDE integration, supported rules, scope of analysis, learning curve, license and cost, and community support. While JSLint is simpler and focuses solely on JavaScript, SonarLint provides more extensive analysis, supports multiple programming languages, and offers customizable rules and real-time feedback within IDEs.

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Pros of JSLint
Pros of SonarLint
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    • 13
      IDE Integration
    • 3
      Free

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    Cons of JSLint
    Cons of SonarLint
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      • 3
        Non contextual warnings
      • 3
        Not Very User Friendly

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      What is JSLint?

      It is a static code analysis tool used in software development for checking if JavaScript source code complies with coding rules. It is provided primarily as a browser-based web application accessible through their domain, but there are also command-line adaptations.

      What is SonarLint?

      It is an IDE extension that helps you detect and fix quality issues as you write code. Like a spell checker, it squiggles flaws so that they can be fixed before committing code.

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      What companies use JSLint?
      What companies use SonarLint?
      See which teams inside your own company are using JSLint or SonarLint.
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      What tools integrate with JSLint?
      What tools integrate with SonarLint?
        No integrations found
        What are some alternatives to JSLint and SonarLint?
        ESLint
        A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.
        JSHint
        It is a community-driven tool to detect errors and potential problems in JavaScript code. It is open source and can easily adjust in the environment you expect your code to execute.
        TSLint
        An extensible static analysis tool that checks TypeScript code for readability, maintainability, and functionality errors. It is widely supported across modern editors & build systems and can be customized with your own lint rules, configurations, and formatters.
        SonarQube
        SonarQube provides an overview of the overall health of your source code and even more importantly, it highlights issues found on new code. With a Quality Gate set on your project, you will simply fix the Leak and start mechanically improving.
        TypeScript
        TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
        See all alternatives