Requires parentheses around arrow function expressions with a single parameter.
Type: Boolean
Value: true
Version: ES6
"requireParenthesesAroundArrowParam": true
[1, 2, 3].map((x) => x * x);
// params are always required for multiple parameters
[1, 2, 3].map((x, y, z) => x * x);
[1, 2, 3].map(x => x * x);