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Codacy vs ESLint vs SonarQube: What are the differences?
Key differences between Codacy and ESLint and SonarQube
Language Support: Codacy primarily focuses on supporting popular programming languages like Python, JavaScript, Java, and others, while ESLint is specifically designed for JavaScript code analysis. On the other hand, SonarQube supports a wide range of languages including Java, C#, JavaScript, Python, and more.
Custom Rules: Codacy allows users to create custom code quality rules through its API, enabling teams to address specific coding standards. In contrast, ESLint and SonarQube offer robust libraries of predefined rules but may require additional plugins or configurations to create custom rules based on project requirements.
Reporting and Visualization: Codacy emphasizes real-time code quality feedback and integrates with popular project management tools like Jira and GitHub to streamline issue tracking and resolution. Unlike Codacy, ESLint primarily provides feedback through the command line or integrated development environments (IDEs) and lacks advanced visualization capabilities. SonarQube stands out by offering comprehensive dashboards and in-depth reports that highlight code quality trends and analysis over time.
Scalability and Integration: Codacy is well-suited for smaller teams and startups due to its ease of setup and usage, while ESLint is commonly used in JavaScript-heavy projects or codebases. SonarQube is preferred for larger organizations or enterprises that require comprehensive code quality management across multiple projects and repositories, thanks to its scalability and extensive integration capabilities.
Code Security Analysis: Codacy places a strong emphasis on security scanning by integrating with popular static code analysis tools like Spotbugs, PMD, and others to identify potential vulnerabilities in the codebase. While ESLint offers some security-focused plugins, SonarQube is known for its advanced security analysis features such as detecting security hotspots, injection flaws, and sensitive data exposure.
Cost and Licensing: Codacy offers flexible pricing plans based on the number of users and repositories, making it a cost-effective solution for small to mid-sized teams. ESLint, being an open-source tool, is free to use and can be easily integrated into various development workflows. In contrast, SonarQube offers both community (free) and commercial editions with additional features and support options, catering to the needs of diverse organizations.
In Summary, Codacy, ESLint, and SonarQube differ in language support, custom rules, reporting capabilities, scalability, code security analysis, and cost considerations, catering to various project requirements and team sizes.
Scenario: I want to integrate Prettier in our code base which is currently using ESLint (for .js and .scss both). The project is using gulp.
It doesn't feel quite right to me to use ESLint, I wonder if it would be better to use Stylelint or Sass Lint instead.
I completed integrating ESLint + Prettier, Planning to do the same with [ Stylelint || Sasslint || EsLint] + Prettier.
And have gulp 'fix' on file save (Watcher).
Any recommendation is appreciated.
In the case of .js files I would recommend using both Eslint and Prettier.
You can set up Prettier as an Eslint rule using the following plugin:
https://github.com/prettier/eslint-plugin-prettier
And in order to avoid conflicts between Prettier and Eslint, you can use this config:
https://github.com/prettier/eslint-config-prettier
Which turns off all Eslint rules that are unnecessary or might conflict with Prettier.
you don't actually have to choose between these tools as they have vastly different purposes. i think its more a matter of understanding how to use them.
while eslint and stylelint are used to notify you about code quality issues, to guide you to write better code, prettier automatically handles code formatting (without notifying me). nothing else.
prettier and eslint both officially discourage using the eslint-plugin-prettier way, as these tools actually do very different things. autofixing with linters on watch isnt a great idea either. auto-fixing should only be done intentionally. you're not alone though, as a lot of devs set this up wrong.
i encourage you to think about what problem you're trying to solve and configure accordingly.
for my teams i set it up like this: - eslint, stylelint, prettier locally installed for cli use and ide support - eslint config prettier (code formatting rules are not eslints business, so dont warn me about it) - vscode workspace config: format on save - separate npm scripts for linting, and formatting - precommit hooks (husky)
so you can easily integrate with gulp. its just js after all ;)
Pura vida! Well, I had a similar issue and at the end I decided to use Stylelint + Prettier for that job, in our case, we wanted that our linting process includes the SCSS files and not only the JS file, base on that we concluded that using only ESLint to do both things wasn't the best option, so, we integrated prettier with Stylelint, and for that we used a neat plugin that allowed us to use Prettier inside Stylelint here is the link, https://github.com/prettier/stylelint-prettier#recommended-configuration, I hope that this can help you, hasta pronto!, :)
Pros of Codacy
- Automated code review45
- Easy setup35
- Free for open source29
- Customizable20
- Helps reduce technical debt18
- Better coding14
- Best scala support13
- Faster Employee Onboarding11
- Duplication detector10
- Great UI10
- PHP integration9
- Python inspection6
- Tools for JVM analysis5
- Many integrations5
- Github Integration4
- Must-have for Java3
- Easy Travis integration3
- Items can be ignored in the UI3
- Asdasdas3
- Gitlab2
- Asdas0
Pros of ESLint
- Consistent javascript - opinions don't matter anymore8
- Free6
- IDE Integration6
- Customizable4
- Focuses code review on quality not style2
- Broad ecosystem of support & users2
Pros of SonarQube
- Tracks code complexity and smell trends26
- IDE Integration16
- Complete code Review9
- Difficult to deploy1
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Cons of Codacy
- No support for private Git or Azure DevOps git6
Cons of ESLint
Cons of SonarQube
- Sales process is long and unfriendly7
- Paid support is poor, techs arrogant and unhelpful7
- Does not integrate with Snyk1
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