tsconfig.base.json

{
  // https://aka.ms/tsconfig
  "$schema": "https://json.schemastore.org/tsconfig",
  "compilerOptions": {
    // Environment settings
    // https://aka.ms/tsconfig/module
    "module": "nodenext",
    "target": "esnext",
    // JavaScript support
    "allowJs": true,
    // Recommended options
    "verbatimModuleSyntax": true,
    "isolatedModules": true,
    "noUncheckedSideEffectImports": true,
    "moduleDetection": "force",
    "skipLibCheck": true,
    "erasableSyntaxOnly": true,
    // Strict type-checking
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "exactOptionalPropertyTypes": true,
    // Additional checks
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true
  }
}