Variable is declared and being used in different 'case' clauses
Reports a variable that is declared in one case clause of a switch statement but is used in another case clause of the same statement. For block-scoped variables, this results in throwing a ReferenceError. For var variables, it indicates a potential error.
Disable the inspection for var variables if this pattern is used intentionally.
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.
JSSwitchVariableDeclarationIssue- 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.
Inspection options
Here you can find the description of settings available for the Variable is declared and being used in different 'case' clauses inspection, and the reference of their default values.
- Ignore for var-variables
Not selected
Availability
- By default bundled with
CLion 2024.1, GoLand 2024.1, IntelliJ IDEA 2024.1, JetBrains Rider 2023.3, PhpStorm 2024.1, PyCharm 2024.1, Qodana for .NET 2023.3, Qodana for Go 2024.1, Qodana for JS 2024.1, Qodana for JVM 2024.1, Qodana for PHP 2024.1, Qodana for Ruby 2024.1, RubyMine 2024.1, WebStorm 2024.1
- Can be installed with plugin
JavaScript and TypeScript, 241.18072