规则详情

此规则在箭头函数参数周围强制使用括号，而不考虑数量。例如：

This rule enforces parentheses around arrow function parameters regardless of arity. For example:

/*eslint-env es6*/

// Bad
a => {}

// Good
(a) => {}

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/*eslint-env es6*/

// Bad
if (a => 2) {
}

// Good
if (a >= 2) {
}

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/*eslint-env es6*/

// Bad
(a) => {}

// Good
a => {}