.prettierrc.js

module.exports = {
	/**
	 * Include parentheses around a sole arrow function parameter.
	 *
	 * avoid - Omit parens when possible. Example: `x => x`
	 * always - Always include parens. Example: `(x) => x`
	 */
	arrowParens: 'avoid',

	/**
	 * Print spaces between brackets.
	 *
	 * Type: boolean
	 */
	bracketSpacing: true,

	/**
	 * Print (to stderr) where a cursor at the given position would move to after formatting.
	 * This option cannot be used with --range-start and --range-end.
	 *
	 * Type: integer
	 */
	cursorOffset: -1,

	/**
	 * Which end of line characters to apply.
	 *
	 * auto - Maintain existing (mixed values within one file are normalised by looking at what's used after the first line)
	 * lf - Line Feed only (\n), common on Linux and macOS as well as inside git repos
	 * crlf - Carriage Return + Line Feed characters (\r\n), common on Windows
	 * cr - Carriage Return character only (\r), used very rarely
	 */
	endOfLine: 'auto',

	/**
	 * How to wrap prose.
	 *
	 * always - Wrap prose if it exceeds the print width.
	 * never - Do not wrap prose.
	 * preserve - Wrap prose as-is.
	 */
	proseWrap: 'preserve',

	/**
	 * Change when properties in objects are quoted.
	 *
	 * as-needed - Only add quotes around object properties where required.
	 * consistent - If at least one property in an object requires quotes, quote all properties.
	 * preserve - Respect the input use of quotes in object properties.
	 */
	quoteProps: 'as-needed',

	/**
	 * Print semicolons.
	 *
	 * Type: boolean
	 */
	semi: true,

	/**
	 * Use single quotes instead of double quotes.
	 *
	 * Type: boolean
	 */
	singleQuote: true,

	/**
	 * Number of spaces per indentation level.
	 *
	 * Type: integer
	 */
	tabWidth: 4,

	/**
	 * Print trailing commas wherever possible when multi-line.
	 *
	 * none - No trailing commas.
	 * es5 - Trailing commas where valid in ES5 (objects, arrays, etc.)
	 * all - Trailing commas wherever possible (including function arguments).
	 */
	trailingComma: 'all',

	/**
	 * Indent with tabs instead of spaces.
	 *
	 * Type: boolean
	 */
	useTabs: true,
};