tsconfig.json

{
  "compilerOptions": {
    "declaration": true,
    "lib": [
      "ES2015",
      "ES2016",
      "ES2017",
      "ES2018",
      "ES2019",
      "ES2020",
      "ESNext"
    ],
    "experimentalDecorators": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "target": "es2020",
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": false,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "useUnknownInCatchVariables": false,
    "noUncheckedIndexedAccess": true,
    "outDir": "lib",
    "baseUrl": ".",
    "paths": {
      "src/*": ["./src/*"]
    },
    "plugins": [
      { "transform": "typescript-transform-paths" },
      { "transform": "typescript-transform-paths", "afterDeclarations": true }
    ],
    "rootDir": "src",
    "allowJs": true,
    "skipLibCheck": true
  },
  "include": ["src"],
  "exclude": ["__tests__" ,"node_modules", "lib", "types"]
}