tsconfig.dev.json

{
  "compilerOptions": {
    /* Basic Options */
    "target": "es6",
    "module": "esnext",
    "moduleResolution": "node",
    "declaration": false,
    "removeComments": true,
    "importHelpers": true,
    "downlevelIteration": true,
    "outDir": "build",
    "baseUrl": "src",
    "esModuleInterop": true,
    "isolatedModules": true,
    "resolveJsonModule": true,
    "forceConsistentCasingInFileNames": true,
    "jsx": "react-jsx",
    /* Strict Type-Checking Options */
    "strict": true, // noImplicitAny noImplicitThis alwaysStrict strictNullChecks strictFunctionTypes strictPropertyInitialization
    /* Additional Checks */
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "skipLibCheck": true,
    /* Source Map Options */
    "sourceMap": false,
    "inlineSourceMap": false,
    "inlineSources": false,
    "preserveConstEnums": true
  }
}