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From Chaos to Clarity: Formatting React Code for a Clean and Readable Codebase
- Properly formatted code enhances the readability, maintainability and scalability of your codebase.
- Benefits of well-formatted code include reduced mental load, consistent style among team members, and tooling compatibility.
- Formatting methods include indentation, line length, naming conventions, spacing, braces/parenthesis, quotes, semicolons, file/folder structure, and comments.
- Indentation visually organizes code hierarchy. The recommended white space is 2 spaces, not tabs.
- Keeping line length between 80 to 100 characters on a single line is the industry standard. PEP 8 and Prettier recommend 80 characters to prevent horizontal scrolling.
- Naming conventions for variables/functions include using camelCase. PascalCase should be used for React components and upper snake case for constants.
- Recommended spacing is to separate operators with spaces, group variable and function assignment, and create blank lines between different code sections.
- Dangling braces should be avoided according to the Airbnb style guide. Either single or double quotes should be used throughout the project.
- Stick to either using semicolons or not using them. Good file and folder structure tips include grouping related files and using meaningful names.
- Comments should be used sparingly. Only used to explain non-obvious decisions or to show why a piece of code exists rather than how it works.
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