tsconfig.json

{
  "compilerOptions": {
    "rootDir": "src",
    "declaration": true,
    "declarationDir": "build",
    "module": "esnext",
    "target": "es5",
    "lib": ["es6", "dom", "es2016", "es2017"],
    "plugins": [{ "name": "typescript-plugin-css-modules" }],
    "sourceMap": true,
    "jsx": "react",
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,
    "resolveJsonModule": true,
    "removeComments": true,
    "preserveConstEnums": true,
    "strict": true,
    "alwaysStrict": true,
    "strictNullChecks": true,
    "noUncheckedIndexedAccess": true,

    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "allowUnreachableCode": false,
    "noFallthroughCasesInSwitch": true,
    "allowJs": false,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,

    "noEmit": true,
    "isolatedModules": true
  },
  "include": ["src/**/*.ts", "src/**/*.tsx"],
  "exclude": [
    "node_modules",
    "build",
    "storybook-static",
  ]
}