tsconfig.json

{
  "compilerOptions": {
    "declaration": true,
    "outDir": "./lib", // target for compiled files
    "module": "es2020",
    "target": "es2015",
    "strict": true,

    "baseUrl": "./", // relative paths base
    // "paths": {
    //   "@src/*": ["src/*"], // will enable import aliases -> import { ... } from '@src/components'
    //   //WARNING: Require to add this to your webpack config -> resolve: { alias: { '@src': PATH_TO_SRC } }
    //   "redux": ["typings/redux"], // override library types with your alternative type-definitions in typings folder
    //   "redux-thunk": ["typings/redux-thunk"] // override library types with your alternative type-definitions in typings folder
    // },
    "allowSyntheticDefaultImports": true, // no errors with commonjs modules interop
    "esModuleInterop": true, // enable to do "import React ..." instead of "import * as React ..."
    "allowJs": true, // include js files
    "checkJs": false, // typecheck js files
    "forceConsistentCasingInFileNames": true,
    "importHelpers": true, // importing transpilation helpers from tslib
    "noEmitHelpers": true, // disable inline transpilation helpers in each file
    "jsx": "react", // preserving JSX
    "lib": ["dom", "es2017"], // you will need to include polyfills for es2017 manually
    "skipLibCheck": true,
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noFallthroughCasesInSwitch": true,
    "noUnusedLocals": true,
    "pretty": true,
    "removeComments": true,
    "sourceMap": true
  },
  "include": ["./src"],
  "exclude": ["node_modules", "**/__tests__/*"]
}