Apply consistent coding style and formatting standards using automated tools (ESLint, Prettier, Ruff) with clear naming conventions, top-down code organization, and appropriate function/component sizing. Use this skill when writing any code in any language, naming files and variables, structuring code within files, organizing imports, configuring linters and formatters, or setting up pre-commit hooks. Apply when working on TypeScript/JavaScript files, Python files, .NET/C# files, configuration files (tsconfig.json, .prettierrc, .eslintrc), or any code that needs consistent formatting and naming. This skill ensures automated formatting with Prettier/Ruff (let tools handle it), ESLint/analyzer enforcement, TypeScript strict mode always enabled, proper naming conventions (PascalCase.tsx for React components, camelCase.ts for utilities, IPascalCase for interfaces with I prefix, PascalCase for types without prefix, camelCase for functions/constants/database fields/API endpoints/JSON keys, no underscore prefix for
Installation
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Apply consistent coding style and formatting standards using automated tools (ESLint, Prettier, Ruff) with clear naming conventions, top-down code organization, and appropriate function/component sizing. Use this skill when writing any code in any language, naming files and variables, structuring code within files, organizing imports, configuring linters and formatters, or setting up pre-commit hooks. Apply when working on TypeScript/JavaScript files, Python files, .NET/C# files, configuration files (tsconfig.json, .prettierrc, .eslintrc), or any code that needs consistent formatting and naming. This skill ensures automated formatting with Prettier/Ruff (let tools handle it), ESLint/analyzer enforcement, TypeScript strict mode always enabled, proper naming conventions (PascalCase.tsx for React components, camelCase.ts for utilities, IPascalCase for interfaces with I prefix, PascalCase for types without prefix, camelCase for functions/constants/database fields/API endpoints/JSON keys, no underscore prefix for private variables), top-down readable code structure (imports → types → component → state → hooks → derived values → handlers → effects → early returns → JSX), manageable function sizes (scroll test, split at >300 lines), always destructured props, DRY principles (extract at 3+ repetitions), organized imports (external → internal absolute → relative → CSS/assets), and no backward compatibility code unless explicitly required.
Global Coding Style
When to use this skill:
When writing any new code in TypeScript, JavaScript, Python, or .NET
When naming files, functions, variables, classes, or interfaces
When organizing code structure within files (imports, types, logic)
When setting up or configuring linters (ESLint, Ruff, StyleCop)
When configuring formatters (Prettier, Black, Ruff)
When deciding between PascalCase, camelCase, or other naming styles
When splitting large functions or components into smaller ones (scroll test)
When removing dead code or commented-out code (delete, don't comment out)
When setting up pre-commit hooks with Husky + lint-staged or pre-commit framework
When reviewing code for consistency and readability
When working on any code file across all languages and frameworks
When enabling TypeScript strict mode in tsconfig.json
When choosing indentation (2 spaces for TS/JS, 4 spaces for Python/.NET)
This Skill provides Claude Code with specific guidance on how to adhere to coding standards as they relate to how it should handle global coding style.
Instructions
For details, refer to the information provided in this file:
global coding style
