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Find unused code with coverage

Last modified: 22 November 2024

IntelliJ IDEA lets you find unused JavaScript, TypeScript, and CSS code in your client-side applications. When you run an application in the special Code Coverage mode, IntelliJ IDEA creates a report showing how much code in every file and folder was used. Thanks to source maps, this report shows coverage for your source files but not for the compiled code that was actually run in the browser.