tsconfig.base.json

{
  "compileOnSave": true,

  "compilerOptions": {
    "target": "es2017",
    "module": "commonjs",

    "allowJs": false,
    "declaration": false,
    "declarationMap": false,
    "outDir": "build",
    "resolveJsonModule": true,

    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "useUnknownInCatchVariables": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,

    "sourceMap": true,
    "emitDeclarationOnly": false,
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,

    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true
  }
}