eslint-plugin-unicorn/rules/utils/should-add-parentheses-to-unary-expression.js

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/**
Check if parentheses should be added to a `node` when it's used as `argument` of `UnaryExpression`.

@param {Node} node - The AST node to check.
@param {string} operator - The UnaryExpression operator.
@returns {boolean}
*/
export default function shouldAddParenthesesToUnaryExpressionArgument(node, operator) {
	// Only support `!` operator
	if (operator !== '!') {
		throw new Error('Unexpected operator');
	}

	return (
		node.type === 'UpdateExpression'
		|| node.type === 'BinaryExpression'
		|| node.type === 'LogicalExpression'
		|| node.type === 'ConditionalExpression'
		|| node.type === 'AssignmentExpression'
		|| node.type === 'ArrowFunctionExpression'
		|| node.type === 'YieldExpression'
		|| node.type === 'SequenceExpression'
	);
}