tsconfig.json

{
    "compilerOptions": {
        "lib": ["ES2017", "ES2020.Intl", "DOM", "ES2019.Array"],
        "sourceMap": true /* Generates corresponding '.map' file. */,
        "module": "ESNext" /* Using ESNext to enable dynamic imports */,
        "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
        "target": "es2017" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
        "jsx": "react-jsx" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
        "declaration": true /* Generates corresponding '.d.ts' file. */,
        "declarationMap": true /* Generates a sourcemap for each corresponding '.d.ts' file. */,
        "isolatedModules": true /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */,
        "noUnusedLocals": true /* Report errors on unused locals. */,
        "noUnusedParameters": true /* Report errors on unused parameters. */,
        "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
        "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
        "noImplicitAny": true,
        "noImplicitThis": true,
        "strictBindCallApply": true,
        "importHelpers": true,
        "esModuleInterop": true /* https://itnext.io/great-import-schism-typescript-confusion-around-imports-explained-d512fc6769c2 */,
        "baseUrl": "." /* This must be specified if "paths" is. "paths" are resolved relative to "baseUrl" */,
        "resolveJsonModule": true,
        "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
        "removeComments": true,
        "pretty": true,
        "outDir": "lib"
    },
    "include": [
        "src/**/*.ts"
    ]
}