# Prettier Advanced Options — ESLint + Prettier

Source: https://www.geekswithgeeks.com/en/eslint-prettier/eslint-prettier-09

> Master Prettier's full configuration for fine-grained control.

## Prettier's options

Beyond basics: endOfLine (LF vs CRLF), arrowParens (when to add parens), bracketSpacing, and jsxBracketSameLine control subtle formatting choices.

## Full Prettier config

A comprehensive Prettier config with all commonly-used options.

```json
{
  "printWidth": 80,
  "tabWidth": 2,
  "useTabs": false,
  "semi": true,
  "singleQuote": true,
  "quoteProps": "as-needed",
  "jsxSingleQuote": false,
  "trailingComma": "es5",
  "bracketSpacing": true,
  "arrowParens": "always",
  "endOfLine": "lf"
}
```

Output:

```
Comprehensive Prettier config ready
```

## Line ending strategy

Set endOfLine to 'lf' to keep line endings consistent across platforms (Windows/Linux/Mac). Prevents Git conflicts from line-ending differences.

Quick check

**Quiz:** What does the 'endOfLine' option do?

- [x] Controls line ending style (LF vs CRLF) for cross-platform consistency.
- [ ] Sets the line length.
- [ ] Determines quote style.

*Answer:* Controls line ending style (LF vs CRLF) for cross-platform consistency.. 'endOfLine' prevents line-ending conflicts in Git. 'lf' is standard for most projects; 'crlf' for Windows-only teams.