Complex conditions make it hard to understand which cases lead to the condition being true or false. To improve readability and understanding of complex conditions consider extracting them into well-named functions or variables and call those instead.

Noncompliant Code

val str = "foo"
val isFoo = if (str.startsWith("foo") && !str.endsWith("foo") && !str.endsWith("bar") && !str.endsWith("_")) {
  // ...
}

Compliant Code

val str = "foo"
val isFoo = if (str.startsWith("foo") && hasCorrectEnding()) {
  // ...
}

Options

• threshold (default: 4)

  the number of conditions which will trigger the rule