source/index.js
Blocks are nested too deeply (4). Open
Open
if (arg.hasOwnProperty(key) && arg[key]) {
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enforce a maximum depth that blocks can be nested (max-depth)
Many developers consider code difficult to read if blocks are nested beyond a certain depth.
Rule Details
This rule enforces a maximum depth that blocks can be nested to reduce code complexity.
Options
This rule has a number or object option:
-
"max"
(default4
) enforces a maximum depth that blocks can be nested
Deprecated: The object property maximum
is deprecated; please use the object property max
instead.
max
Examples of incorrect code for this rule with the default { "max": 4 }
option:
/*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:
/*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
- [complexity](complexity.md)
- [max-len](max-len.md)
- [max-nested-callbacks](max-nested-callbacks.md)
- [max-params](max-params.md)
- [max-statements](max-statements.md) Source: http://eslint.org/docs/rules/