enforce a maximum depth that blocks can be nested (max-depth)
强制块语句的最大可嵌套深度 (max-depth)
Many developers consider code difficult to read if blocks are nested beyond a certain depth.
很多开发者认为如果块语句嵌套深度超过某个值,代码就很难阅读。
Rule Details
This rule enforces a maximum depth that blocks can be nested to reduce code complexity.
该规则强制块语句的最大可嵌套深度来降低代码的复杂性。
Options
This rule has a number or object option:
该规则有一个数字或对象选项:
"max"
(default4
) enforces a maximum depth that blocks can be nested"max"
(默认4
) 强制块语句的最大可嵌套深度
Deprecated: The object property maximum
is deprecated; please use the object property max
instead.
已弃用: maximum
属性已弃用;请使用 max
属性。
max
Examples of incorrect code for this rule with the default { "max": 4 }
option:
默认选项 { "max": 4 }
的 错误 代码示例:
/*eslint max-depth: ["error", 4]*/
/*eslint-env es6*/
function foo() {
for (;;) { // Nested 1 deep
let val = () => (param) => { // Nested 2 deep
if (true) { // Nested 3 deep
if (true) { // Nested 4 deep
if (true) { // Nested 5 deep
}
}
}
};
}
}
Examples of correct code for this rule with the default { "max": 4 }
option:
默认选项 { "max": 4 }
的 正确 代码示例:
/*eslint max-depth: ["error", 4]*/
/*eslint-env es6*/
function foo() {
for (;;) { // Nested 1 deep
let val = () => (param) => { // Nested 2 deep
if (true) { // Nested 3 deep
if (true) { // Nested 4 deep
}
}
};
}
}
Related Rules
Version
This rule was introduced in ESLint 0.0.9.
该规则在 ESLint 0.0.9 中被引入。