tsconfig.json

{
  "include": ["src/**/*"],
  "exclude": [
    "dist",
    "node_modules"
  ],
  "compilerOptions": {
    "module": "esnext",
    "lib": ["dom", "esnext"],
    "importHelpers": true,
    "declaration": true,
    "sourceMap": true,
    "rootDir": "./src",
    "outDir": "./dist/esm",
    "strict": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "moduleResolution": "node",
    "jsx": "react",
    "esModuleInterop": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,
    "target": "es6",
    "paths": {
      "tslib" : ["./node_modules/tslib/tslib.d.ts"]
    },
    "types": ["node"],
    "plugins": [{ "name": "typescript-plugin-css-modules" }]
  }
}