tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "lib": [
      "dom",
      "es2015",
      "es2016",
      "es2019"
    ],
    "jsx": "react",
    "target": "es2016",
    "module": "commonjs",
    "moduleResolution": "node",
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "forceConsistentCasingInFileNames": true,
    "strict": true,
    "strictNullChecks": true,
    "removeComments": false,
    "preserveConstEnums": true,
    "sourceMap": true,
    "skipLibCheck": true,
    "resolveJsonModule": true,
    "experimentalDecorators": true,
    "downlevelIteration": true
  }
}