The Principal Dev – Masterclass for Tech Leads

The Principal Dev – Masterclass for Tech LeadsJuly 17-18

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Top JavaScript Code Quality Tools 2025

GitHub Libraries JavaScript Code Quality Tools

prettier/prettier 50K +49

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Prettier is an opinionated code formatter.

standard/standard 29K +10

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JavaScript Style Guide, with linter & automatic code fixer

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Adds static typing to JavaScript to improve developer productivity and code quality.

xojs/xo 7K +25

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JavaScript/TypeScript linter (ESLint wrapper) with great defaults

danger/danger-js 5K +7

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Formalize your Pull Request etiquette.

bcoe/c8 2K +2

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Output coverage reports using Node.js' built in coverage.

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