tsconfig.json

{
    "compilerOptions": {
        "outDir": "./dist/",
        "sourceMap": true,
        "noImplicitAny": true,
        //"module": "commonjs",
        "lib": ["dom", "dom.iterable", "esnext"],
        "module": "esnext",
        "moduleResolution": "node",
        "target": "es6",
        "jsx": "react",
        "allowSyntheticDefaultImports": true,
        "esModuleInterop": true,
        // Base directory to resolve non-relative module names.
        "baseUrl": "src",
        "forceConsistentCasingInFileNames": false,
        "skipLibCheck": true,
        "removeComments": true,
        "preserveConstEnums": true,
        "types": ["node", "jest"],
        "suppressImplicitAnyIndexErrors": true
    },
    "exclude": ["node_modules", "**/*.spec.ts", "*.config.js"]
}