tsconfig.json

{
    "compilerOptions": {
        "jsx": "react",
        "jsxFactory": "h",
        "jsxFragmentFactory": "Fragment",
        "module": "esnext",
        "esModuleInterop": true,
        "allowSyntheticDefaultImports": true,
        "target": "es6",
        "lib": ["DOM", "ES6"],
        "noImplicitAny": true,
        "noImplicitThis": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "exactOptionalPropertyTypes": true,
        "moduleResolution": "node",
        "resolveJsonModule": true,
        "skipLibCheck": true,
        "sourceMap": true,
        "strictNullChecks": true,
        "outDir": "dist",
        "baseUrl": ".",
        "allowJs": true,
        "paths": {
            "*": ["node_modules/*", "types/*"],
            "js/*": ["js/*"],
            "json/*": ["json/*"],
            "test/*": ["test/*"]
        }
    },
    "include": ["js/**/*", "test/**/*", "types/**/*", "*.config.js"]
}