Besides configuring compilation & type checking, you can also use the tsconfig.json file to enable some "quality of life" checks - checks that are not directly related to types but that can help you improve your code quality.

{
  "noUnusedLocals": true, // helps you detect unused variable
  "noUnusedParameters": true, // helps you detect unused function parameters
  "noFallthroughCasesInSwitch": true // helps you detect switch cases without break or return
}