tsconfig.json

{
  "compilerOptions": {
    // Target latest version of ECMAScript.
    "target": "es2018",
    "module": "esnext",
    // Search under node_modules for non-relative imports.
    "moduleResolution": "node",
    "jsx": "react",

    // Don't emit; allow Babel to transform files.
    //"noEmit": true,
    // Enable strictest settings like strictNullChecks & noImplicitAny.
    "strict": true,
    // Disallow features that require cross-file information for emit.
     "isolatedModules": false,
     "allowSyntheticDefaultImports": true,
     "esModuleInterop": true,
     "experimentalDecorators": true,
     
    "lib": ["es6", "dom", "es2017.object", "es2017", "es2015.generator", "esnext.bigint"],
    "sourceMap": true,

    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noImplicitAny": false,
    "strictNullChecks": false,
    "downlevelIteration": true,

  }
}