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Overly complex function

Reports a function with too many branching points in a function (too high cyclomatic complexity). Such functions may be confusing and hard to test.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

-OverlyComplexFunctionJS
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | JavaScript and TypeScript | Function metrics

Use the field provided below to specify the maximum acceptable cyclomatic complexity for a function.

Inspection ID: CyclomaticComplexityJS

Inspection options

Here you can find the description of settings available for the Overly complex function inspection, and the reference of their default values.

Function complexity limit

Option ID:

m_limit

Default value:

10

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection -OverlyComplexFunctionJS

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

Last modified: 03 December 2025